TW200928522A - Liquid crystal display device and a method of manufacturing the same - Google Patents

Abstract

Disclosed herein is a liquid crystal display device including two sheets of substrates, a liquid crystal layer sealed between the two sheets of substrates, and a retardation layer provided on the liquid crystal layer side in one of the two sheets of substrates, wherein the retardation layer has a structure in which polymerizable liquid crystal monomers are three-dimensionally cross-linked, and a retardation R (450) for a wavelength of 450 nm and a retardation R (550) for a wavelength of 550 nm fulfill a relationship of R (450)/R (550)≤ 1.

Description

200928522 IX. INSTRUCTIONS OF THE INVENTION: TECHNICAL FIELD The present invention relates to a liquid crystal display device and a method of fabricating the same, and more particularly to a delay layer in which a wide viewing angle for obtaining a color display is provided. A liquid crystal display device and a method of manufacturing the same. The present invention contains the Japanese Patent Application Nos. JP 2007-3 14346 and JP 2008-040968, respectively, filed on Dec. 5, 2008, and on the The entire content of the application is incorporated herein by reference. [Prior Art] A retardation layer for optical compensation is provided in a liquid crystal display device having a liquid crystal layer held between a pair of substrates for the purpose of improving contrast and enhancing viewing angle. Further, in the transflective and transflective liquid crystal display device, both a transmissive display region and a reflective display region are realized in one pixel by using a retardation layer as a circular polarizing plate. In recent years, a configuration has been proposed in which a retardation layer is provided between substrates of a liquid crystal display device to be disposed in a liquid crystal cell (i.e., within the liquid crystal cell) to thereby realize the liquid crystal display device. Thinning and simplification of the process. Here, in a color liquid crystal display device t, it is desirable to have a so-called broadband property = retardation layer for the purpose of obtaining a satisfactory viewing angle in a wide range of visible light. It is necessary to select a material having wave offset (anti-dispersibility) in which the retardation increases toward a long wavelength and fabricate the retardation layer of the material thus selected. A retardation layer made of polycarbonate having a ruthenium skeleton, for example, is disclosed as a retardation layer in which wavelength dispersion shows reverse dispersibility. This 133765.doc -5- 200928522 The delay layer is described in Japanese Patent Application Publication No. 2〇〇5_义η. However, this material is not suitable for arranging the retardation layer in the liquid crystal cell. Therefore, many polymer materials tend to exhibit wavelength dispersion (positive dispersion) in which the retardation becomes smaller toward longer wavelengths. In order to cope with this situation, it has been proposed to construct, bend, and obtain a broadband property in the form of a layer structure by utilizing a lamination layer which is made of a material having normal dispersibility and laminated into a layered star structure. Provide a delay layer. This technique (for example) is described in Japan

= The first phase of the public case - side 57. An explanation related to FIG. 4 is provided in Japanese Patent Laid-Open Publication No. 2003-322857. The polymeric liquid crystal material, for example, is used as a construction material for a retardation layer suitable for being disposed in a liquid crystal cell as explained above. When a polymeric liquid crystal material is used as the construction material for the retardation layer, patterning can be performed by using a lithography method. Thus, the retardation layer can be formed in a pattern in a predetermined portion of the plurality (e.g., a reflective display portion within the pixel). Further, regarding the retardation layer having the structure of the layer, an example in which a polymerizable cholesteric liquid crystal is used is disclosed. This technique is described, for example, in Japanese Patent Laid-Open Publication No. 2-56484. SUMMARY OF THE INVENTION In order to provide the retardation layer in the form of the laminate structure in the liquid layer 7L, it is necessary to perform a program twice for forming the retardation layer. Therefore, in the case where the retardation layer is in a configuration in which the pattern is formed only in the reflective display portion in the pixel, as in the semi-transmissive and semi-reflective liquid crystal display device, the number of processes is It is so large and therefore put into effort because it is necessary to perform two lithography procedures in an overlapping manner. 133765.doc 200928522 In accordance with the above description, it is therefore desirable to provide a liquid crystal display device in which a reliable retardation layer can be disposed in the liquid crystal cell and a method of fabricating the same.

In order to achieve the above description, in accordance with an embodiment of the present invention, a liquid crystal display device includes two substrates, a liquid crystal layer sealed between the two substrates, and one of the two substrates a retardation layer on the side of the liquid crystal layer, wherein the retardation layer has a structure in which a three-dimensionally crosslinkable polymerizable liquid crystal monomer, and a retardation R (450) for a wavelength of 450 nm and a retardation for a wavelength of 550 nm R(55〇) implements the relationship of R(450)/R(550)S1. According to another embodiment of the present invention, a method for manufacturing a liquid crystal display device includes the steps of: forming a retardation layer on a first substrate, and depositing a second substrate to face the first substrate One of the retardation layers forms one side of the surface, and fills and seals a liquid crystal layer between the first substrate and the second substrate. When the retardation layer is formed, the method for manufacturing a liquid crystal display device includes the following steps Applying a liquid solution containing one of the polymerizable liquid crystal monomers to one of the orientation surfaces of the first substrate to form a retardation layer forming film; performing a directional treatment on the retardation layer forming film; the three-dimensional crosslinking comprises the retardation layer forming film The polymerizable liquid crystal monomers are subjected to a aligning treatment for the retardation layer forming film to cure the body; and the retardation layer is obtained, wherein the retardation layer for 45 Å-wavelength and the wavelength for 550 nm The delay r(55〇) achieves the relationship of R(450)/R(550)S1. A liquid crystal display device according to another embodiment of the present invention provides 133765.doc 200928522, which includes two substrates, a liquid crystal layer sealed between the two substrates, and one of the two substrates a layer of reflective material on one side of the liquid crystal layer, and a retardation layer formed on the layer of reflective material in a pattern, wherein the layer of reflective material is completely covered by the retardation layer. With the configuration explained above, the retardation layer having reverse dispersibility is provided in the liquid crystal cell having the liquid crystal layer which is sealed between the two substrates in order to achieve the above retardation conditions. For this reason, the retardation layer corresponding to the wider wavelength I regardless of the single-layer structure is disposed in the liquid crystal cell. Further, the retardation layer is excellent in heat resistance and chemical resistance because it has a structure in which the polymerizable liquid crystal monomers are three-dimensionally crosslinked. As proposed above, according to an embodiment of the present invention, the liquid crystal display device can be realized, wherein the reliable retardation layer is disposed in the liquid crystal cell, which includes a broadband property regardless of having a single layer structure, and is resistant to heat and resistance Chemically excellent. [Embodiment] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, the liquid crystal display device according to any one of the first to sixth embodiments of the present invention is provided in order. A retardation layer, a method of forming the retardation layer, and a structure of the liquid crystal display devices according to the first to sixth embodiments of the present invention and each of which uses the retardation layer. <Delay Layer> The first feature of the retardation layer used in the liquid crystal display devices of the first to sixth embodiments of the present invention is a three-dimensional cross-linkable polymerizable liquid monomer. In addition, the second characteristic of the retardation layer used therein is R(450)/R(550) for a delay R (450) of 133765.doc 200928522 450 nm wavelength and a delay R (550) for a wavelength of 550 nm. The relationship of S1, and thus the retardation layer, has no normal dispersibility but preferably has anti-dispersibility. ❿ Figure 1 shows a plot of delay versus wavelength. As shown in the graph, the retardation layer used in each of the first to sixth embodiments of the present invention has no normal dispersibility as indicated by a broken line in the graph but preferably has The inverse dispersibility indicated by the solid line in the chart. In this case, in the normal dispersibility, the retardation becomes lower in the long wavelength band. Also, in the anti-dispersibility, the retardation becomes higher in the long wavelength band. The retardation layer as explained above is produced from, for example, the so-called polymerizable liquid crystal monomers of the compounds (1) to (5). Accordingly, the associated retardation layer has a structure in which the polymerizable liquid crystal monomer is three-dimensionally crosslinked in a state in which the radiation-curable liquid crystal (nematic liquid crystal) is simply oriented or the two or more radiation-curable liquid crystals can be oriented as needed. CH2=CHC〇2n(CH2)0 ...compound (1) 0(ΟΗ2)η〇2〇ΗΟ=Η2〇 ...compound (2) a Ph one

CH2=CHC〇2n(CH2)0-^^COO*^^-〇G〇-^^-〇(CH2)n〇2CHOH2C ... compound (3) 133765.doc 200928522 CH2^COin(CH^〇- ^^c〇N^^〇c〇^^〇(cH^^cwCjgH^ ... compound(4)

HC = HaC ... Compound (5) <Method of Forming Delay Layer Fig. 2 is a flow chart showing a first example of the procedure for forming one of the retardation layers as explained above. A first example of a method of forming one of the retardation layers will be described below in accordance with the flow chart shown in FIG. First, a substrate including a certain surface having a directional function is prepared in step S1. In this case, for example, an alignment film is formed on a glass substrate. Known methods are applicable to the formation of the oriented film. A directional film made of polyimine, polyamine, polyethylene, or the like used in a normal liquid crystal display device is used as the oriented film. A normal method is applied to the rubbing treatment of the film. This normal method is as follows. That is, the material of the I-wound cloth on a gold ® $ roll is selected from the group consisting of rayon, cotton, polyamide, polymethyl methacrylate, and the like. Then, the metal coil wound with the rubbing cloth is rotated in a state of contacting a film, or the film is conveyed while the metal coil is fixed, thereby rubbing a rubbing surface with the rubbing cloth. It should be noted that the support film initially having an orientation function can be prepared as one of the substrates having an oriented surface. Next, in step S2, a retardation layer forming film is applied and deposited on the oriented surface of the substrate. Among them, 133765.doc 200928522 exemplified in the compounds (1) to (5), a liquid solution (applied liquid) of one of the polymerizable liquid crystal monomers is applied and deposited on the oriented surface of the substrate by a spin coating method. However, it is assumed that 50% or more of the polymerizable liquid crystal monomers in the retardation layer forming film have two or more acrylate groups at their ends. Therefore, the retardation layer can be excellent in heat resistance and chemical resistance after three-dimensionally crosslinking the polymerizable liquid crystal monomers. Further, in applying and depositing the retardation layer forming film set forth herein, it is important that the retardation layer forming film is applied and deposited on the orientation surface of the substrate to have a design thickness corresponding to one of the retardation layers. thickness. Further, the application used in this case is adjusted by appropriately dissolving an additive (for example, a surfactant or a photopolymerization initiator) other than any of the above-described polymerizable liquid crystal monomers in a solvent. Liquid "It should be noted that the retardation finally obtained has a reverse dispersibility by mixing various additives or the like disclosed in WO2006/052001 with each other. An agent obtained by singly using a plurality of acrylic surfactants, guanidine system surfactants, and fluorine system surfactants or mixing them with each other can be used as the above-described surfactant. BYK361, BYK307, BYK325, BYK344, BYK352, BYK354, and BYK392 (names of products manufactured by BYK-Chemie Japan K.K.) and POLYFLOW461 (names of products manufactured by KYOEISHA Chemical Co., Ltd.) are available as acrylic materials. SC101 and SC3 86 (names of products manufactured by AGC Ltd.), Megafack R-08, Megafack R-90 and Megafack F-43 0 (names of products manufactured by Dainippon Ink and Chemicals) and DMAOP (by AZmax The name of the product manufactured by the company is 133765.doc 11 200928522) It can be supplied as a fluorine system material. Similarly, KF-643 and X22-1927 (names of products manufactured by Shin-Etsu Chemical Co., Ltd.) and the like can be provided as Shishi system materials. The surfactant may be suitably added to the liquid crystal material so as to fall within a range in which an amount of the added surfactant does not prevent the orientation of the liquid crystal. However, generally, from about 0.001 wt.% to about 1% by weight of the surfactant is preferably added to the liquid crystal material 'and from about 0.1 wt.% to about 5 wt.% of the surfactant. It is more preferably added to the liquid crystal material. This surfactant is used to control the tilt angle of the polymerizable liquid crystal monomer in the optical element using the important polymerizable liquid crystal composition. Thus, an optical element can be formed in which the polymerizable liquid crystal single systems are oriented at an oblique angle at which the bevel angles are uniformly uniform in the surface. a thioxanthone system photopolymerization initiator (eg 2,4-diethylthioxanthone or 2_thioxanthone), a benzophenone system photopolymerization initiator (eg benzophenone, or (4_(mercaptobenzene) A thiol)phenyl)phenyl ketone) or a green onion system photopolymerization initiator (for example, vinyl onion) can be used as a photopolymerization initiator. In addition, commercial photopolymerization initiators (such as Irgacurel 84 manufactured by Ciba japan κ.

Irgacure369, Irgacure651, Irgacure819, lrgacure9〇7,

Irgacure® XE02, Irgacure OXE01, Dar〇cur 1173 or 4265) or the like can also be used as the photopolymerization initiator. Similarly, two of the initiators can be blended as needed. Also, any other suitable photopolymerization initiator and an auxiliary reagent for a photopolymerization initiator may be used in combination. With respect to an added amount, generally, 〇.〇1 to 15 wt% of a photopolymerization initiator may be added to the polymerizable liquid crystal monomer, 〇.丨 to 12 纠.% photopolymerization 133765.doc •12· 200928522 initiator It is preferably added to the polymerizable liquid crystal monomer. Also, 〇.5 to 1 〇 Wt.% of a photopolymerization initiator can be more preferably added to the polymerizable liquid crystal monomer. Next, in step S3, the solvent in the retardation layer forming film is removed by performing a pressure reduction process. Then, in step S4, orientation is performed for the retardation layer forming film. In this case, heat treatment is performed on the retardation layer forming film, which causes the polymerizable liquid crystal monomers in the retardation layer forming film to be converted to a liquid crystal phase, and thus oriented in relation to one of the orientation surfaces of the substrate The monomers are polymerized toward the polymerizable liquid crystal. It should be noted that it is important to perform the heat treatment in this procedure at a low temperature ranging from the temperature at which the liquid crystal monomer exhibits a liquid crystal phase to the temperature at which the polymerizable liquid crystal monomers are not crosslinked. Further, the polymerizable liquid crystal cells are oriented with respect to the orientation direction of the orientation surface without depending on the orientation of the alignment surface in the substrate or the transition of the polymerizable liquid crystal monomer to the phase of the liquid crystal phase The temperature is φ to perform heat treatment. Therefore, heat treatment can be performed as needed. Also, some of the polymerizable liquid crystal monomers can be oriented by performing a reduced pressure drying process. Next, in step S5, a complete image exposure is performed for the retardation layer forming film, and the alignment treatment is previously performed for the retardation layer forming film at room temperature or in a heated state. Therefore, the retardation layer is three-dimensionally crosslinked to form the polymerizable liquid crystal monomers contained in the film, and the retardation layer is cured to form a film, thereby obtaining the retardation layer. Here, a mercury excitation light source (e.g., a low pressure mercury lamp, a barium mercury lamp or an ultrahigh pressure mercury lamp), a 氙 source or the like can be used to act on a source of exposed light (radiation). In particular, it is preferred to select a source having a peak intensity at a wavelength of 133765.doc 200928522, the sensitivity of which. In the above, the photopolymerization initiator has a high sensitivity. From the above description, the retardation is obtained, wherein the retardation R (450) for the wavelength of 450 nm and the retardation r (550) of the length of 55 〇 nm are realized R ( 450) / R (550 (5) relationship. 'late implementation <Method of Forming Delay Layer_2> Fig. 3 is a flow chart for forming a second example as described above. A second example of the method of opening/forming the delayed layer is illustrated by the delay-layer-program-.^_, according to the flow chart shown in FIG. First of all, 'similar to the previously stated first-to-step processing. Therefore, the case of the borrowing is carried out from step S1, and you perform the directional processing by heating for the inclusion of the illustration. The retardation layer of the liquid helium monomer forms a film in SJS21, and the retardation layer is formed into a chess to be cooled to room temperature. Next, in step S22, the layer formation medium is subjected to the exposure of the layer formation medium, and only the polymerizable liquid crystal monomer such as light = material_. In addition, the essay is issued in the exposed portion of the 4* mine 4 water excitation light source (for example, the low pressure mercury lamp, the surface pressure mercury lamp or the ultrahigh pressure is used as a "minimum mercury lamp") Or the like may be the source of the exposed light (light shot) in the exposure. Specific:: Light C selects a light source having a peak intensity in the wavelength band, wherein the first polymerization initiator has high sensitivity. In step W23, 'by dissolving the retarding layering agent, m butyl, bedding/treatment. The delamination may be formed by dissolving the retardation layer using any suitable development. Thus, - inorganic testability 133765.doc • 14 - 200928522 A liquid solution, an organic alkaline liquid solution, an organic solvent or the like is used as a developer in development processing. Therefore, the retardation layer is obtained by patterning the retardation layer to form a film so as to The portion in which the polymerizable liquid crystal monomers are three-dimensionally crosslinked by the pattern exposure in the previously stated step S22 is left. It should be noted that the cleaning treatment using a rinsing agent can be carried out after the development processing is completed. Step S2 In 4, 'the developer and the rinsing agent are removed by performing a drying process. Further, 'the unexposed portion is converted to an isotropic phase by adjusting the temperature and then cured by light or heat. Part of the technique employed may also be used as another patterning technique. After the processing in step S24 is completed, the retardation layer is cured in a stepwise manner by performing a heat treatment similar to the case of the first example. The heat treatment is performed at a heating temperature of 15 Torr to ° C in a time period from about 10 hrs to about several hours. From the above description, the retardation layer is obtained, wherein a retardation R (45 G) for a wavelength of 450 nm and Wave of 55Q (10) (4) - Delay r (55 ()) implementation - (55 relationship of 1. The resulting retardation layer is patterned on the substrate - to correspond to the pattern exposure previously performed in step S22. <Liquid Crystal Display Device-1> Fig. 4 is a cross-sectional view showing a structure of a transmissive liquid crystal display device according to the first embodiment of the present invention. Referring to FIG. 4, a structure of a liquid-aluminum-drinking day-and-day display device according to the first embodiment of the present invention is illustrated, and a liquid crystal display device shown in the figure is disposed. The transmission type liquid crystal display 133765.doc •15·200928522 is disposed and seals a liquid crystal layer LC between a first substrate 10 and a second substrate 20 which are respectively made of a transparent material. Also, the retardation layer 3 which is not normally dispersible but has the structure described above is provided on the liquid crystal layer LC side in the second substrate 2?. Further, a retardation plate 41 for compensating for the viewing angle for the transmission display and ensuring the transmittance is firmly provided on the outer surface of the first substrate 10. Further, the polarizing plates 43 and 45 are firmly provided on the outer surfaces of the first substrate 1 and the second substrate 2, respectively, in a Cr〇ss_ Nicol manner. Similarly, a backlight 47 and a reflecting plate 49 are disposed in this order outside the polarizing plate 43 disposed on the side of the first substrate 1. Among them, the first substrate 10 is composed of a transparent substrate such as a glass substrate. A driving circuit layer 11 is provided on one inner surface of the first substrate 1 facing the liquid crystal layer LC. Here, in the driving circuit layer, an insulating film is used to cover, for example, a driving circuit using a thin germanium transistor (TFT) or the like. Further, the transparent pixel electrodes 13t are arranged and formed on the driving circuit layer 11' and are necessarily provided to the film 15 so as to cover the transparent pixel electrodes 13t. On the other hand, the second substrate 20 is composed of a transparent substrate such as a glass substrate. A certain direction film 21 as a base of the retardation layer 30 is provided on one inner surface of the second substrate 20 facing the liquid crystal layer LC. Similarly, the above-described retardation layer 30 oriented along the alignment axis of the alignment film 21 is provided over the entire surface of a display region in the second substrate 2A. The delay of one of the delay layers 30 is appropriately set in accordance with the optical design of setting each display mode of the transmissive liquid crystal display device 1a. For example, the delay of this retardation layer 30 is set to be a delay for a visible light (e.g., having a wavelength of 55 〇 nm 133765.doc • 16· 200928522) in the range of 5 〇 to 400 nm. Further, this retardation layer 3 is formed by applying the manufacturing method previously explained with reference to the flowchart of Fig. 2. Further, the orientation axis of the alignment film 21 (the phase delay axis of the retardation layer 30 or the phase lead axis) is also set in accordance with the optical design for setting each display mode of the liquid crystal display device 1a. For example, the orientation axis of the orientation film 21 is between 9 and 〇. The range is set with respect to the transmission axis of the polarizing plate • 45. Further, color filters respectively corresponding to red (R), green (G), and blue (B) are provided on the retardation layer 30, and a color filter layer 23 in which a black matrix can be provided as needed. A common electrode 25 and a constant film 27 made of a transparent conductive material are provided on the color filter layer 23 in this order. For example, a rubbing treatment or a directional treatment is performed for the orientation 臈 27 which is antiparallel to the alignment film 15 provided on the side of the first substrate 1 . It should be noted that the liquid crystal layer LC is filled and sealed between the first substrate 10 and the second substrate 2 by using the sealant 29 provided in each of the periphery of the first substrate 1 and the second substrate 20. . φ In the transmissive liquid crystal display device 11 constructed as described above, the retardation layer 30 is provided in a liquid crystal cell having a liquid crystal layer LC sealed between the first substrate 1'' and the second substrate 2''. In this case, the retardation layer 3 有 has a knife-off property but preferably has a reverse dispersibility in order to achieve the above retardation condition. For this reason, the retardation layer 30 is disposed in the liquid crystal cell, which is excellent in contrast and display quality, and which responds to a wide wavelength band regardless of having a single layer structure. Further, the retardation layer is excellent in heat resistance and chemical resistance because it has a structure in which the polymerizable liquid crystal monomers are three-dimensionally crosslinked. 133765.doc -17- 200928522 Therefore, the transmissive liquid crystal display device la described above is such that a reliable retardation layer 3 is disposed in the liquid crystal cell, which has a broadband property regardless of having a single layer structure, and is resistant to heat and Excellent chemical resistance. Therefore, simplification of the process and enhancement of reliability can be achieved. It should be noted that when the liquid crystal layer LC is made of liquid crystal molecules having vertical alignment, the transmissive liquid crystal display device u is driven in the VA mode. Also, in this VA mode type liquid crystal display device, the reverse wavelength dispersion type retardation layer 30 is provided in the transmissive portion. Therefore, a transmissive liquid crystal display device can be provided which is enhanced in transmittance, contrast improvement in the self-tilting direction, and the like. The object is excellent in the appearance quality of the transmission display. Further, when the liquid crystal layer LC is made of liquid crystal molecules having vertical alignment, the transmissive liquid crystal display device 1a is driven in the ecb mode or the transverse electric field mode. Also, in the transmissive liquid crystal display device 1a, the reverse wavelength dispersion type retardation layer 30 is provided in the transmissive portion. Therefore, it is possible to provide the transmissive liquid crystal display device which is excellent in the appearance quality of the transmissive display due to the enhancement of the transmittance, the contrast improvement from the oblique direction, and the like. <Liquid Crystal Display Device-2> Fig. 5 is a cross-sectional view showing the structure of a transmission type liquid crystal display device according to a second embodiment of the present invention. A structure of the liquid crystal display device of the second embodiment will be described below with reference to FIG. It should be noted that the same reference numerals are used to designate the same structural elements as those previously described with reference to Fig. 4 and the repeated explanation is omitted here for the sake of simplicity. A liquid crystal display device 11 shown in the figure is a transmissive liquid crystal display device 133765.doc 200928522. The transmissive liquid crystal display device 1b is different from the transmissive liquid crystal display device 1a previously explained with reference to Fig. 4 in the lamination order on the liquid crystal layer LC side of the second substrate 20. The other structure of the transmissive liquid crystal display device 丨b is the same as the other structures in the transmissive liquid crystal display device 1a. That is, the color chopper layer 23 is provided on the inner surface of the second substrate 2 facing the liquid crystal layer 1c. Also, a protective insulating film 31 having a flat surface is provided to cover the color filter layer 23. Also, the retardation layer 30 which is not normally dispersible but has the structure explained above is provided over the entire surface of the protective insulating film 31 through the alignment film 21. Similarly, the common electrode and alignment film 27 are provided in this order so as to cover the retardation layer 3''. It should be noted that the delay of the retardation layer 30 similar to the case of the first embodiment is appropriately set in accordance with the optical design of each of the display modes of the transmissive liquid crystal display device 1 & and (for example) The retardation of a retardation layer 3〇 is set to a retardation of visible light (for example, having a wavelength of 55 Å) in the range of 50 to 400 nm. The orientation axis of the alignment film 21, which is also similar to the case of the first embodiment, is also set in accordance with the optical design of each display mode in which the transmission type liquid crystal display device u is set, and (for example) the orientation axis of the alignment film 21 It is from 0 to 90. The range is set with respect to the transmission axis of the polarizing plate 45. Even in the transmissive liquid crystal display device 1b of the second embodiment constructed as described above, there is still a liquid crystal cell having a liquid crystal layer LC sealed between the first substrate 10 and the second substrate 20 The retardation layer 30' is provided which has no normal dispersibility but preferably has reverse dispersibility, and in which the polymerizable liquid crystal monomers are two-dimensionally crosslinked. Therefore, the same effect β as that of the first embodiment of the 133765.doc -19-200928522 can be obtained. <Liquid Crystal Display Device-3> Fig. 6 is a cross-sectional view showing the structure of a reflection type liquid crystal display device according to a third embodiment of the present invention. A structure of the liquid crystal display device of the second embodiment will be described below with reference to FIG. It should be noted that the same reference numerals are used to designate the same structural elements as those of the first and second embodiments previously described with reference to FIGS. 4 and 5, and are omitted here for the sake of simplicity. Repeat the instructions. The liquid crystal display device k is a reflection type liquid crystal display device as shown in the β system. Therefore, the liquid crystal layer LC is sealed between the first substrate 10 and the second substrate 20 made of a transparent material. Also, the retardation layer 3 which is not normally dispersible but has the structure described above is provided over the entire surface of the alignment film 21, that is, on the liquid crystal layer in the second substrate 2?. Further, the polarizing plate 45 is firmly provided only on the outer surface of the second substrate 2''. Among them, the driving circuit layer U is provided on the inner surface of the first φ substrate 10 facing the liquid crystal layer. Similarly, pixel electrodes 13r each serving as a reflective layer are disposed and formed on the upper surface of the driving circuit layer u. Oriented film. It is provided to cover these pixel electrodes 丨3r. On the other hand, the structure on the side of the second substrate 2 is the same as that in the first embodiment. That is, the second substrate 2 is made of a transparent substrate such as a glass substrate. The retardation layer 3 described above is provided over the entire surface of the second substrate 2 facing the liquid crystal layer LC through the alignment medium. Further, the color filter 23, the common electrode 25, and the alignment film 27 are provided on the second substrate 20 side in this order. For example, for example, a rubbing process or a directional process is performed for the orientation 臈 27 which is antiparallel to the orientation film 15 provided on the first substrate 1 〇 side 133765.doc • 20· 200928522. It should be noted that the delay of the retardation layer 30 similar to the case of the first embodiment is appropriately set according to the optical design of setting each display mode of the transmissive liquid crystal display device 1a, and for example, this one The delay of the retardation layer 30 is set to a retardation of visible light (e.g., having a wavelength of 550 nm) in the range of 50 to 4 〇〇 nmi. The orientation axis of the alignment film 21, which is also similar to the case of the first embodiment, is also set according to the optical design of each display mode of the reflective liquid crystal display device lc, and for example, the orientation axis of the alignment film 21. It is tied to the 9th floor. The range is set with respect to the transmission axis of the polarizing plate 45. Even in the reflective liquid crystal display device 1c of the third embodiment constructed as described above, the liquid crystal cell having the liquid crystal layer LC sealed between the first substrate 1 and the second substrate 20 is still present. The retardation layer 3' is provided therein without its normal dispersibility but preferably having a reverse dispersibility, and wherein the polymerizable liquid crystal monomers are three-dimensionally crosslinked. Therefore, the same effects as those of the first embodiment can be obtained. <Liquid Crystal Display Device_4> Fig. 7 is a cross-sectional view showing the structure of a reflection type liquid crystal display device according to a fourth embodiment of the present invention. A structure of the liquid crystal display device of the second embodiment will be described below with reference to the drawings. It should be noted that the same reference numerals are used to designate the same structural elements as those of the first to second embodiments previously described with reference to FIGS. 4 to 6, and repeated explanation is omitted here for the sake of simplicity. . A liquid crystal display device ld shown in the figure is a reflective liquid crystal display device 133765.doc • 21 200928522. On the lamination order on the liquid crystal layer LC side of the second substrate 20, the reflective liquid crystal display device Id is different from the reflective liquid crystal display device 1c previously explained with reference to Fig. 6. The other structure of the reflective liquid crystal display device 1d is the same as that of the reflective liquid crystal display device 1c. That is, the color filter layer 23 is provided on the inner surface of the second substrate 20 facing the liquid crystal layer LC. Also, a protective insulating film having a flat surface is provided so as to cover the color filter layer 23. Also, the retardation layer 30 having no normal dispersibility but having the above-described structure is provided through the alignment film 21 over the entire protective insulating film 31. Similarly, the common electrode and the alignment film 27 are provided in this order so as to cover the retardation layer 3〇. It should be noted that the delay of the retardation layer 3〇 is similar to the case of the first embodiment. The optical design of each display mode of the reflective liquid crystal display device ld is set to be appropriately set, and, for example, the retardation of the retardation layer 3 is set to visible light in the range of 5 〇 to 400 nm (for example, 55 〇) The retardation of the wavelength of nm). The orientation axis of the alignment film 2 i 亦 similar to the case of the first embodiment is also set according to the optical design of each display mode of the reflective liquid crystal display device Id, and For example, the orientation axis of the orientation crucible 21 is set in the range of 0 to 90 with respect to the transmission axis of the polarizing plate 45. • Even if the above is used In the reflective liquid crystal display device of the fourth embodiment of the present configuration, the retardation layer 30 is still provided in the liquid crystal cell having the liquid crystal layer LC sealed between the first substrate 1 and the first substrate 20 'It does not have normal dispersibility but preferably has anti-dispersibility, and in which the polymerizable liquid crystal monomers are three-dimensionally crosslinked. Therefore, the same effect as that of the first embodiment can be obtained. 133765.doc -22- 200928522 <Liquid Crystal Display Device-5> Fig. 8 is a cross-sectional view showing a structure of a semi-transmissive and semi-reflective liquid crystal display device according to a fifth embodiment of the present invention. Figure 9 is a cross-sectional view showing the structure of a main portion of a pixel for the transflective and transflective liquid crystal display device according to the fifth embodiment of the present invention. A structure of the liquid crystal display device of the fifth embodiment will be described below with reference to Figs. It should be noted that the same reference numerals are used to designate the same structural elements as those of the first to fourth specific embodiments previously described with reference to FIGS. 4 to 7, and the repeated explanation is omitted here for the sake of simplicity. . A liquid crystal display device shown in these figures is a semi-transmissive and semi-reflective liquid crystal display device. The liquid crystal layer LC is sealed between the first substrate 10 and the second substrate 20 made of a transparent material, respectively. Also, the retardation layer 30 which has no normal dispersibility but has the structure explained above is provided on the liquid crystal layer LC side in the second substrate 2?. Further, the retardation plate 41 is firmly provided on the outer surface of the first substrate 10. Further, the polarizing plates 43 and 45 are firmly provided on the outer surfaces of the first substrate 10 and the second substrate 2, respectively, in a Nikko pattern. Further, the backlight 47 and the reflection plate 49 are arranged in this order outside the polarizing plate 43 disposed on the side of the first substrate 10. The driving circuit layer 11 is provided on the inner surface of the first substrate 10 facing the liquid crystal layer LC. The pixel electrodes composed of the transparent pixel electrode 13t and the reflective pixel electrode I3r are respectively arranged and formed in the pixel 10a on the drive circuit layer 11. In this case, in each of the pixels 10a, a portion in which the reflective pixel electrode 13r is disposed becomes the reflective display portion l〇r, and wherein the cloth 133765.doc -23· 200928522 is disposed as a part of the transparent pixel electrode 13t It becomes the transmission display portion 1〇t. Further, as particularly shown in Fig. 9, the reflective pixel electrode Ur is preferably constructed in the form of a diffuse reflection layer having an uneven shape on its surface. In this case, in the drive circuit layer U which is the reflection display portion 10r of the base of the reflective pixel electrode 13r, a thin film transistor is used. The surface of the insulating film 11a of one of the driving circuit layers 11 is formed into a non-uniform shape, and the reflective pixel electrode 13r is provided along the uneven shape. It is to be noted that the pixel electrode and the thin film transistor Tr are connected to each other through the transparent pixel electrode 13t or the reflective pixel electrode I3r through a contact hole (connection hole) h formed in the insulating film 11a. Similarly, the alignment film 15 is provided so as to cover the pixel electrode composed of the transparent pixel electrode 13t and the reflective pixel electrode i3r serving as a diffusion reflection layer. On the other hand, the color filter layer 23, the protective insulating film 31, the alignment film 21, and the retardation layer 3 having no structure which is normally dispersible but having the above-described structure are provided in this order in the second surface facing the liquid crystal layer LC. On the inner surface of the substrate 20. The retardation layer 30 is formed in a portion so as to correspond to the reflective pixel electrode 13r (i.e., the 'reflective display portion 1 〇r) in the pixels. Also, the retardation layer 30 is formed by applying the manufacturing method previously explained with reference to the flowchart of Fig. 3. Further, as particularly shown in Fig. 9, the thickness of the liquid crystal layer LC in the reflective display portion 10r is adjusted according to the thickness of the retardation layer 30. (cell gap gr) and the thickness (cell gap gt) of the liquid crystal layer LC of the transmission display portion 10t. For example, setting is made for the cell gaps gr and gt in the following manner: when an appropriate voltage is applied across the pixel electrodes 13r or 13t and the common electrode 25, the liquid crystal layer 133765.doc - 24 · 200928522 LC has the reflection display portion i 〇 r The delay of χ/4 has a delay of λ/2 in the transmission display portion 10t. Further, the retardation layer 30 has the thickness described above. Further, the delay of the retardation layer 30 is appropriately set in accordance with the optical design of each display mode in which the reflective display portions 1 〇r of the semi-transmissive and semi-reflective liquid crystal display device 1 e are set, and, for example, the retardation layer The delay of 3 设定 is set to a retardation of visible light (for example, having a wavelength of 550 nm) in the range of 50 to 400 nm. Similarly, the orientation axis of the alignment film 21 is also set according to the optical design of each of the display modes of the semi-transmissive and semi-reflective liquid crystal display devices, and the orientation axis of the alignment film 21 is, for example, 〇 to 90°. The range is set with respect to the transmission axis of the polarizing plate 45. Similarly, the common electrode 25 and the alignment film 27 are provided in this order so as to cover the alignment film 21 and the retardation layer 30 as explained above. Even in the semi-transmissive and semi-reflective liquid crystal display device of the fifth embodiment constructed as described above, there is still a liquid crystal layer LC sealed between the first substrate 10 and the second substrate 20. The retardation layer 30' is provided in the liquid crystal cell which has no normal dispersibility but preferably has reverse dispersibility, and wherein the polymerizable liquid crystal single system is three-dimensionally crosslinked. Therefore, the same effects as those of the first embodiment can be obtained. Further, the retardation layer 30 is formed only in the reflective display portion ι in a pattern, which results in the provision of a semi-transmissive and semi-reflective liquid crystal display device which is superior in appearance quality of the transmissive display and appearance quality of the reflective display. Excellent without exerting any influence on the transmission display. It should be noted that 'Figure 9 shows where in the pixel! The structure of the pixel circuit using the thin film transistor Tr is arranged in 〇a. In this case, it is preferable to provide a certain incomplete portion, a light leakage portion, and a non-display portion in the vicinity of the pixel circuit (thin film transistor Tr) from the light shielding cloth 133765.doc • 25· 200928522. Further, the pixel circuit is preferably disposed in the periphery of the pixel 10a. <Liquid Crystal Display Device-6> Fig. 10 is a cross-sectional view showing the structure of one of the transflective and transflective liquid crystal display devices according to a sixth embodiment of the present invention. Figure 11 is a cross-sectional view showing the structure of a main portion of a pixel used in the liquid crystal display device according to the sixth embodiment of the present invention. Hereinafter, a structure of the liquid crystal display device of the sixth embodiment will be described with reference to FIGS. 10 and 11. It should be noted that the same reference numerals are used to indicate the first to fifth specifics previously explained with reference to FIGS. 4 to 9. The constituent elements in the embodiment are the same as the structural elements' and the repeated explanation is omitted here for the sake of simplicity. The liquid crystal display devices shown in these figures are semi-transmissive and semi-reflective liquid crystal display devices. The semi-transmissive and semi-reflective liquid crystal display device If of the sixth embodiment is different from the semi-transmissive and semi-reflective liquid crystal display device described earlier with reference to FIGS. 8 and 9, because there is no normal dispersibility but the above description The retardation layer 30 of the structure is formed on the side of the first substrate 1 in a pattern. That is, the driving circuit layer 11 is provided on the inner surface of the first substrate 1A facing the liquid crystal layer Lc. A reflective material layer 33 made of a metal material such as aluminum (A1) or silver (Ag), an alloy thereof or the like is reflected in each of the pixels 10a formed on the drive circuit layer 11 in a pattern. The display part 1〇“中. Similarly, as particularly shown in FIG. 11, the reflective pixel electrode 33 is preferably constructed in the form of a diffuse reflection layer having an uneven shape on the surface of the table 133765.doc • 26 - 200928522 in the reflective display portion 1〇Γ. In this case, the surface of the driving circuit layer 11+ which is the reflective display portion 1〇 as the base of the reflective material layer 33 covers the surface of the insulating film 11a which is one of the driving circuit layers n using the thin film transistor τΓ. The shape is uneven and the layer of reflective material 33 is provided along the uneven shape. Similarly, an alignment film 21 as a base of the retardation layer 30 is provided so as to cover the reflective material layers 33. The retardation layer 30, which is isotropically oriented with respect to the alignment film 21, is formed on the upper surface of the alignment film 21 in a pattern. The retardation layer 30 is formed in a pattern so as to correspond to the reflective display portion 1 Or in the pixels. Also, the retardation layer 30 is formed by applying the manufacturing method previously explained with reference to the flowchart of Fig. 3. When the retardation layer using the alignment film is disposed on the driving circuit layer, it is preferred to pattern the alignment film in order to perform conduction using the lower layer, or by performing development, dry etching or the like. The alignment film is removed after the retardation layer 30 is formed. In this case, it is important to set the width W1 of the reflective material layer 33 and the width W2 of the retardation layer 30, so that the reflective material layer 33 is completely covered by the retardation layer 30. For this reason, it is preferable to establish the relationship of the width W1 of the width of the reflective material layer 33, the width W2 of the retardation layer 30, and the width W1 of the reflective material layer 33. <The relationship of the width W2 of the retardation layer 30. Further, when the alignment film as the base of the retardation layer 30 is patterned as shown in the drawings, it is preferable to establish the relationship of the width W2 of the retardation layer 30, the width W3 of the alignment film 21, and the width of the retardation layer 30. W2 <The relationship of the width W3 of the alignment film 21 is both, and thus the retardation layer 30 is formed in a predetermined position. Further, the thickness of the liquid crystal layer LC (cell gap gr) in the reflective display portion 1A and the thickness of the liquid crystal layer LC in the transmissive display portion 1 〇t are adjusted according to the thickness of the retardation layer 30 (unit Gap gt) both. For example, setting is made for the cell gaps gr and gt in such a manner that the liquid crystal layer lc has a retardation of λ/4 in the reflective display portion l〇r when an appropriate voltage is applied across the pixel electrode 131> or 131 and the common electrode 25. Moreover, there is a delay of λ/2 in the transmission display portion i〇t. Further, the retardation layer 30 has the thickness described above. Further, the delay of the delay layer 30 is appropriately set in accordance with the optical design for setting the display mode of each of the reflective display portions l〇r of the semi-transmissive and semi-reflective liquid crystal display device, and for example, the retardation layer 30 The delay is set to a retardation (for example, a wavelength of 550 nm) in a range of 50 to 40 〇 nm. Similarly, the orientation axis of the alignment film 21 is also set according to a semi-transmissive and semi-reflective liquid crystal display device If The optical design of each display mode is set, and, for example, the orientation axis of the orientation film 21 is set in the range of 〇 to 90 with respect to the transmission axis of the polarizing plate 45. These aspects of the sixth embodiment It is similar to the aspects of the fifth embodiment. The φ transparent pixel electrode 13t is formed in each of the pixels i〇a in a pattern so as to be the reflective display portion 1 〇r and the transmissive display portion 1 〇t The alignment film 21 and the retardation layer 30 as described above are collectively covered. The transparent pixel electrode 13t is connected through a contact hole (connection hole) h formed in the insulating film 11a covering the drive circuit. To the thin film transistor Tr. The contact hole h is disposed on one side of the retardation layer 30. Therefore, it is prevented from being exposed to the contact hole layer by the reflective material layer 33 completely covered by the retardation layer 30 as explained above. The inner wall. For this reason, for example, when the contact hole h is formed, the metal material used for preventing the formation of the reflective material layer 33 varies in quality, such as in the back of the dry etching process, 133765.doc • 28 - 200928522. The preventive reflection property is deteriorated due to a change in the properties of the reflective material layer 33. Therefore, the reflection characteristics in the reflective material layer 33 can be maintained. Also, the 'orientation film 15 is provided so as to be covered to be provided on the retardation layer 30 in the manner as explained above. The transparent pixel electrode I3t. On the other hand, the 'color filter layer 23, the common electrode 25, and the alignment film 27 are provided in this order on the inner surface of the second substrate 20 facing the liquid crystal layer LC. Even as explained above In the semi-transmissive and semi-reflective liquid crystal display device If of the sixth embodiment constructed in this manner, the first substrate 10 and the second substrate 20 are still sealed. Inter-liquid crystal layer] lc: the liquid crystal cell is provided with a retardation layer 30' which has no normal dispersibility but preferably has anti-dispersibility' and in which three-dimensionally crosslinks the polymerizable liquid crystal monomers. The effect of the first embodiment is the same as that of the first embodiment. Further, the retardation layer 30 is formed only in the reflective display portion 1 in a pattern, which results in the provision of a semi-transmissive and semi-reflective liquid crystal display device lf. The appearance quality of the transmissive display and the appearance quality of the reflective display are excellent without exerting any influence on the transmissive display. It should be noted that Fig. 11 shows the structure of the pixel circuit in which the thin film transistor Tr is disposed in the pixel! 0a. In this case, it is preferable to form a portion of the pixel circuit (including the thin film transistor Tr) from the light. Furthermore, the pixel circuit is preferably arranged in the periphery of the pixel 1 〇a. <Circuit Configuration of Liquid Crystal Display Device> Fig. 12 is a circuit diagram partially showing the active matrix drive type liquid crystal display device la (ib) to which the 133765.doc -29· 200928522 embodiment of the present invention is applied. , ^, id, le, If) one of the circuit configurations. It is to be noted that the same reference numerals are used to designate the same structural elements as those of the first to sixth embodiments described above, and in this state, explanation is now provided. As shown in the figure, a display area Α and its peripheral area are provided in the liquid crystal display device la (lb, I., ld, le, 1 。. The plurality of scanning lines φ 71 and the plurality of signal lines 72 respectively Similarly, the pixels 10a are provided so as to correspond to the intersections defined between the plurality of scanning lines 71 and the plurality of signal lines 72. A pixel array portion is constructed in this manner. A common electrode ^ is provided in the display portion A, each of which is common to the corresponding one of the pixels 1a in the horizontal direction. On the other hand, a scanning line driving circuit 74 and a signal line driving circuit are arranged in the peripheral region B. 75 ^ In this case, the scanning line driving circuit 74 scans and drives the plurality of scanning lines 71. Further, the signal line driving circuit 75 supplies a video signal (i.e., an input signal) corresponding to the illuminance information to the plurality of signals. Line 72.) A pixel circuit (for example) is constituted by a thin germanium transistor h serving as a switching element, and a holding capacitor Cs is provided in each of the pixels 10a. Further, pixel electrodes connected to the corresponding ones of the pixel circuits are provided in each of the pixels 10a. Similarly, the holding capacitors & are defined between the counterparts of the common electrode 73 and the pixel electrodes 13r, Ut. One gate of the thin film transistor Tr is connected to the corresponding one of the scanning lines 71, one of the source/drain regions is connected to the corresponding one of the signal lines 72, and the other is 133765.doc -30· 200928522 Connected to the corresponding of the pixel electrodes 13r, 13t. Similarly, the image number written to the pixel 10a from the corresponding portion of the signal line 72 through the thin film transistor Tr is held in the holding capacitor. A voltage corresponding to the number of held signals is supplied to the pixel electrodes i3r, 13b. + The configuration of the pixel circuit as explained above is merely an example. Therefore, the pixel circuit can be configured by providing a capacitor element in the pixel circuit as needed, and by providing a plurality of transistors therein. Further, a necessary driving circuit may be added to the peripheral region B to correspond to the change of the pixel circuit. <Application Example> The display device according to the above-described embodiment of the present invention can be applied to a display device of an electronic device in the field, in which image or video image is used in each of the display devices The form displays the video signal input to the electronic device or the video signal generated in the electronic device. Such electronic devices are generally represented by various electronic devices (e.g., digital cameras, notebook personal computers, mobile terminal devices such as mobile phones, and video cameras) as shown in Figs. 13 to 17G. Each of the examples of electronic devices to which a specific embodiment of the present invention is applied will be described below. Figure 13 is a perspective view showing a television set to which a specific embodiment of the present invention is applied. A television set according to this application example includes an image display screen portion composed of a front panel 1 2, a filter glass 103, and the like. Similarly, the television set is used by using a specific embodiment according to the present invention. The display device is manufactured as the image display screen portion 1〇1. 14A and 14B are perspective views respectively showing a 133765.doc 31 200928522 one-digit camera to which an embodiment of the present invention is applied. Fig. 14A is a perspective view when the digital camera is viewed from the front side, and Fig. 14B is a perspective view when the digital camera is viewed from the rear side. The digital camera according to this application example includes a light-emitting portion 111 for flashing, a display portion 112, a menu switch 113, a shutter button 114, and the like. The digital camera is manufactured by using the display device according to a specific embodiment of the present invention as the display portion 112. Figure 15 is a perspective view showing a notebook type personal computer to which an embodiment of the present invention is applied. The notebook type personal computer according to this application example includes a main body 121, a keyboard 122 which is manufactured when a character or the like is input, a display portion 123 for displaying an image thereon, and the like. The display device according to a specific embodiment of the present invention is manufactured as the display portion 123. Figure 16 is a perspective view showing a video camera to which an embodiment of the present invention is applied. The camcorder according to this application example includes a main body portion 131, an image capturing a scene, and a lens 132 provided on one side surface of the forward guide, and a start/stop switch operated when capturing an image of the scene. 133. A display portion Π4 and the like. The video camera is manufactured by using the display device according to an embodiment of the present invention as the display portion 134. 17A to 17G are views respectively showing a mobile terminal device (e.g., a mobile phone) to which an embodiment of the present invention is applied. Figure 17 is a front view of one of the mobile phones in an open state, Figure 17B is a side elevational view of the mobile phone in an open state, and Figure 17C is one of the mobile phones in a closed state 133765.doc -32 - 200928522 Front view, Fig. 17D is a left side elevational view of the mobile phone, Fig. 17E is a right side elevational view of one of the mobile phones, Fig. 17F is a top plan view of the mobile phone, and Fig. 17G is a bottom view of the mobile phone. The mobile phone according to this application example includes an upper bottom plate 141, a lower bottom plate 142 connecting portion (in this case, a keying portion) 143, a display portion 144, a sub display portion 145, an image lamp 146, and a Camera 147 and the like. The mobile phone is based on the use of one of the present invention

The display device of the embodiment is fabricated as the display portion 144 or the sub display portion. [Example] <Sexual Example 1> The composition A was adjusted to apply a liquid.

Composition A Polymerizable liquid crystal monomer [Compound (1)]: l〇pts wt Polymerizable compound [Compound (6)]: 1 ptswt Polymerizable initiator [Irgacure OXE02] : 0.2 pts.wt. Interfacial surfactant [ Megafack R_〇8] : 0.02 pts.wt. Solvent [cyclohexanone]: 78.98 pts.wt, αρ

A ... Compound (6) Compound A, which is adjusted in the manner as described above, is applied to * by means of a gray transfer coating method for the purpose of rubbing treatment. 〜 〜 133 765.doc -33 - 200928522 AL1254 (by the Czech Republic YAMACO shares The name of the product manufactured by the company). The solvent is then removed by performing a reduced pressure drying process (final vacuum of 〇 4 T〇rr). Similarly, the orientation treatment was carried out for one minute at 60 ° C by heating on a hot plate. Then, a three-dimensional cross-linking treatment was carried out in a nitrogen atmosphere (0.1% or less oxygen concentration) by using an ultra-high pressure mercury lamp at an illuminance system of 30 mW/cm2 and an exposure time of ten seconds. Thereafter, at 220 by using an oven. (: Perform heat treatment for 6 minutes.

When the thickness of the retardation layer produced in the manner as described above is measured by using a tip type profiler, the thickness is confirmed to be 丨. 丨^ In addition, when the delay is measured for the retardation layer of the facet, the delay is 45 〇. The wavelength of nm is λ 115 nm, and for the wavelength of 55 〇 nm, i 3 5 nm » Therefore, it was confirmed that the retardation layer has reverse wavelength dispersibility. A reflection type liquid crystal display device (a pattern of eight and a normal black) was produced, and the retardation layer thus obtained was disposed in each of the liquid crystal cells. In the reflective liquid crystal display device, the reflectance of the black display is 〇 2%, the reflectance of the white display is 5%, and the contrast ratio is 25. <Comparative Example 1> A liquid crystal display device having the same structure as that of the example crucible was manufactured, except that a retardation layer having normal dispersibility was replaced with a retardation layer having only anti-dispersibility. The wavelength dispersion of the retardation layer used herein is λ 145 for the wavelength of 45 〇 nm and 135 nm for the wavelength λ of 550 nm. In the liquid crystal display device manufactured as described above, the reflectance in black is 0.5%, the reflectance in white is 5%, and the contrast is 10. 133765.doc • 34- 200928522 From the results of the comparison of Example 1 with Comparative Example 1, it was confirmed that sufficient contrast was obtained in the liquid crystal display device using the retardation layer having the reverse dispersibility of Example 1. <Example 2 > The composition B was adjusted to apply a liquid.

Composition B ❹

Polymerizable liquid crystal monomer [Compound (1)]: l〇ptswt Polymerizable compound [Compound (6)]: 10ptswt Polymerizable initiator [Irgacure OXE02] : 0.07 pts.wt. Interface active agent [Megafack R-08] : 0.02 pts.wt. Solvent [cyclohexyl]: 78.91 pts.wt. Compound B, adjusted in the manner as described above, was applied to a certain orientation 臈AL1254 previously applied by the spin coating method (by Czech Republic) The name of the product manufactured by Maike Co., Ltd.). Thereafter, the solvent is removed by performing a reduced pressure drying process (final vacuum of 〇4仏叮). Similarly, the orientation treatment was performed on the hot plate at 6 °C for one minute by heating. Then, after the substrate was rapidly cooled to room temperature (25 ° C), the illuminance system was used by using an ultra-high pressure mercury lamp. 3〇mW/cm2 and the exposure time is two seconds, using a __ pattern through-mask to perform three-dimensional cross-linking treatment by pattern exposure in air. Then, by using diffusion jetting at room temperature (25t) The methyl ethyl ketone liquid was sprayed onto the thus exposed substrate for 6 sec seconds to remove the unexposed portion on the surface of the substrate. The development treatment was carried out in this manner. Then, by using an oven at 22 The heat treatment was performed for 6 minutes at 〇 C. I33765.doc • 35· 200928522 When the surface of the substrate was observed by using a microscope after the retardation layer was formed as described above, it was confirmed that the pattern of the retardation layer was formed only in The exposed portion on the surface of the substrate. When the thickness of the retardation layer formed in the manner as described above is measured by using a needle tip profiler, the thickness is confirmed to be 1·1 μηη. In a In the case of the delay layer measurement delay thus formed, the delay is 126 nm for the wavelength of 45 〇 nm and 135 nm for the wavelength of 550 nm. Therefore, a retardation layer having anti-wavelength dispersibility is confirmed. Formed in a pattern. Manufacture of a transflective and semi-reflective liquid crystal display device (only VA mode, normal black, and alignment of the reflective layer in the pattern portion of the retardation layer), wherein the retardation layer thus obtained is disposed at In each of the liquid crystal cells, in the semi-transmissive and semi-reflective liquid crystal display device, the reflectance of the black display is 0.1%, the reflectance of the white display is 2.5 〇/〇, and the contrast ratio is 25. Example 2> A liquid crystal display device was fabricated which had the same structure as that of Example 2 except that a retardation layer having normal dispersibility was substituted for the retardation layer having only reverse dispersibility. The retardation layer used herein. The wavelength dispersion is 145 nm for a wavelength of 45 () nm, and is for a wavelength of 55 Å. The semi-transmissive and semi-reflective liquid crystals are manufactured in the manner as described above. In the device, the reflectance of the black display is 〇 25%, the reflectance of the white display is 2.5% ' and the contrast ratio is 1 〇. From the comparison of the example 2 and the comparative example 2, it is confirmed that the use of the inverse of the example 2 is used. Sufficient contrast is obtained in a liquid crystal display device with a dispersive retardation layer. 133765.doc -36- 200928522 - Those skilled in the art should understand that various modifications, combinations, sub-combinations and changes can be made according to design requirements and other factors. As long as it is within the scope of the accompanying patent application or its equivalents. [Simplified Schematic] Figure 1 is a diagram explaining one of the wavelength dispersions of a retardation layer; Figure 2 is a diagram showing the delay for forming A first flow chart of a program of a layer; FIG. 3 is a flow chart showing a second example of a program for forming a delay layer of the continuous layer; FIG. 4 shows a - specific-specific according to the present invention. FIG. 5 is a cross-sectional view showing a structure of a transmissive liquid crystal display device according to a second embodiment of the present invention; FIG. 6 is a cross-sectional view showing a structure of a transmissive liquid crystal display device according to a second embodiment of the present invention; A cross-sectional view showing a structure of a reflective liquid crystal display device according to a third embodiment of the present invention; and FIG. 7 is a view showing a structure of a reflective liquid crystal display device according to a fourth embodiment of the present invention. FIG. 8 is a cross-sectional view showing the structure of a semi-transmissive and semi-reflective liquid crystal display device according to a fifth embodiment of the present invention; FIG. 9 is not for use in the fifth embodiment of the present invention. The transmissive and semi-reflective liquid crystal display of the example is a section of the main portion of the structure of the pixel. FIG. 1 shows a semi-transmissive and +-reflective liquid crystal according to the sixth embodiment of the present invention. A cross-sectional view of a structure of a display device; 133765.doc • 37- 200928522 FIG. 11 is a view showing a main portion of a pixel used in the transflective and transflective liquid crystal display device according to the sixth embodiment of the present invention. FIG. 12 is a circuit diagram partially showing a circuit configuration of a liquid crystal display device to which a specific embodiment of the present invention is applied in a block; FIG. 13 is a A perspective view of a television set of one embodiment of an embodiment of the present invention; ❿ Figures 14A and 14B are respectively another example of an application to which a specific embodiment of the present invention is applied when viewed from the front side A perspective view of a digital camera, and a perspective view of the digital camera as another example of an application to which a specific embodiment of the present invention is applied when viewed from the rear side; FIG. 15 shows a specific embodiment of the present invention as an application. FIG. 16 is a perspective view showing a video camera as another example of an application to which an embodiment of the present invention is applied; and FIG. 17A to FIG. 17A to FIG. 17G shows a view of a mobile terminal device such as a mobile phone to which a specific embodiment of the present invention is applied, FIG. 17A is a front view of the mobile phone in an open position, FIG. 17B is a side view thereof, and FIG. 7C is in a closed position. Fig. 17D is a left side view thereof, Fig. 7E is a right side view thereof, Fig. 17F is a top view thereof, and Fig. 7g is a bottom view thereof. [Main component symbol description] 1 a Transmissive liquid crystal display device lb Transmissive liquid crystal display device 1 c Reflective liquid crystal display device 133765.doc -38- 200928522 id Reflective liquid crystal display device le Semi-transmissive and semi-reflective liquid crystal display device

If semi-transmissive and semi-reflective liquid crystal display device 10 First substrate 10a Pixel 10r Reflective display portion 10t Transmissive display portion 11 Drive circuit layer

11a insulating film 13r reflective pixel electrode 13t transparent pixel electrode 15 orientation film 20 second substrate 21 orientation film 23 color filter layer 25 common electrode 27 alignment film 29 sealant 30 retardation layer 31 protective insulating film 33 reflective material layer 41 retardation plate 43 Polarizing plate 45 Polarizing plate 133765.doc •39- 200928522 47 Backlight 49 Reflecting plate 71 Scanning line 72 Signal line 73 Common electrode 74 Scanning line driving circuit 75 Signal line driving circuit 101 Image display screen section

102 Front panel 103 Filter glass 111 Light-emitting portion 112 Display portion 113 Menu switch 114 Shutter button 121 Main body 122 Keyboard 123 Display portion 131 Main body portion 132 Lens 133 Start/stop switch 134 Display portion 141 Upper bottom plate 142 Lower bottom plate 143 Connection portion 133765 .doc -40- 200928522 144 Display section 145 Sub display section 146 Image light 147 Camera A display area / display section B Peripheral area

Cs holding capacitor gr unit gap

Gt cell gap h contact hole LC liquid crystal layer

Tr thin film transistor

133765.doc -41 "

Claims (1)

200928522 X. Patent application scope: 1' A liquid crystal display device comprising: a substrate; a liquid crystal layer sealed between the two substrates; and a retardation layer 'provided in one of the two substrates In the liquid crystal layer. On the side, • wherein the retardation has a structure in which the polymerizable liquid crystal single crystal is three-dimensionally crosslinked' and a retardation R (450) for a wavelength of 450 nm and a retardation R for a wavelength of 550 β nm (55〇) Realize the relationship of R(45〇)/R(55〇)u. 2. The liquid crystal display device of claim 1, wherein a plurality of pixel systems each having a transmissive display portion and a reflective display portion disposed therein are disposed and formed between the two substrates; and the retardation layer is A pattern is formed in each of the pixels to correspond to the reflective display portion. 3. A method of fabricating a liquid crystal display device, comprising the steps of: 形成 forming a retardation layer on a first substrate; arranging a second substrate to face a surface of the retardation layer in the first substrate And filling and sealing the liquid crystal layer between the first substrate and the second substrate. When the retardation layer is formed, the method for manufacturing a liquid crystal display device comprises the following steps: applying a polymerizable liquid crystal monomer therein a liquid solution on the oriented surface of the first substrate to form a retardation layer forming film; the retardation layer forming film is subjected to orientation treatment; 133765.doc 200928522 Two-dimensional cross-linking is carried out by the orientation treatment needle m^^ ^ ^ π pairs of the retardation layer form the polymerizable liquid crystal monomer such as the polymerizable liquid crystal monomer τ; and "Xin Ming early obtained the retardation layer, wherein the retardation ruler for the wavelength of 450 nm (four)) For the relationship of the wavelength (4)(10), the delay W(iv) is now R(450)/R(55〇)si. 4. The method of producing a liquid crystal display device of claim 3, wherein 5Q% or more of the polymerizable liquid crystal monomer such as ruthenium in the retardation layer forming film has two or more acrylic groups at the portion thereof Ester group. A method of manufacturing a liquid crystal display device according to claim 3, wherein in the three-dimensional crosslinking of the polymerizable liquid crystal monomers, the pattern is exposed in the retardation layer to perform three-dimensional cross-linking in an exposed portion The polymerizable liquid crystal monomer; and the manufacturing method further comprising the step of: patterning the retardation layer to form a film to leave the exposed portion by performing development processing on the retardation layer forming film. 6. A liquid crystal display device comprising: a substrate; a liquid crystal layer sealed between the two substrates; a reflective material layer 'one of the liquid crystal layers provided in one of the two substrates And a retardation layer' is formed on the reflective material layer in a pattern in which the reflective material layer is completely covered by the retardation layer. 7. The liquid crystal display device of claim 6, wherein 133765.doc 200928522 has a plurality of pixel systems each having a transmissive display portion and a reflective display portion disposed therebetween and formed between the two substrates; and the reflection The material layer and the retardation layer are each formed in each of the pixels in a pattern to correspond to the reflective display portion. 8. The liquid crystal display device of claim 6, wherein the reflective material is made of an acoustic metal material. Stomach 133765.doc