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WO2010100807A1 - Dispositif de store à cristaux liquides et son procédé d'utilisation - Google Patents

Dispositif de store à cristaux liquides et son procédé d'utilisation Download PDF

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Publication number
WO2010100807A1
WO2010100807A1 PCT/JP2009/071452 JP2009071452W WO2010100807A1 WO 2010100807 A1 WO2010100807 A1 WO 2010100807A1 JP 2009071452 W JP2009071452 W JP 2009071452W WO 2010100807 A1 WO2010100807 A1 WO 2010100807A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid crystal
pair
blind device
transparent
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2009/071452
Other languages
English (en)
Japanese (ja)
Inventor
潤一 馬場
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KYUSYU NANOTEC OPTICS CO Ltd
OCCS PLANNING Corp
Original Assignee
KYUSYU NANOTEC OPTICS CO Ltd
OCCS PLANNING Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KYUSYU NANOTEC OPTICS CO Ltd, OCCS PLANNING Corp filed Critical KYUSYU NANOTEC OPTICS CO Ltd
Priority to JP2011502599A priority Critical patent/JPWO2010100807A1/ja
Publication of WO2010100807A1 publication Critical patent/WO2010100807A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B2009/2464—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds featuring transparency control by applying voltage, e.g. LCD, electrochromic panels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2202/00—Materials and properties
    • G02F2202/28—Adhesive materials or arrangements

Definitions

  • Liquid crystal blind devices that are opaque when de-energized but turn transparent when a voltage is applied have been used for building windows.
  • the present invention relates to a liquid crystal blind device used as a window of a window glass or a partition, a window or roof of an automobile, a train, an aircraft or the like and a method of using the same.
  • the liquid crystal blind device When the liquid crystal blind device is energized, the liquid crystal molecules are aligned in a certain direction, and the liquid crystal turns transparent. When no current is applied, the orientation of the liquid crystal molecules is so different that light is not scattered and does not become transparent.
  • Patent literature is one of them, and it can switch between opaque and translucent on the entire surface, and switch between opaque and transparent in a line shape. However, it has not been able to respond to the need to view, hide, put light in a specific direction, or block light in a specific direction through show windows or windows. Furthermore, there is a problem that it is not possible to respond to new needs such as wanting to enjoy not only lines but also various shapes such as printed patterns.
  • the present invention has been made in view of the problems in the above-mentioned conventional liquid crystal blind device and its usage, and the object of the present invention is the problem of the conventional liquid crystal blind device described in the background art and its usage. Overcoming the point.
  • a liquid crystal blind device includes a plurality of transparent plates made of glass, resin, or plastic, and a pair of intermediate films formed inside each pair of the transparent plates.
  • the polymer and the liquid crystal composite material are preferably made of a liquid crystal light control film.
  • the liquid crystal blind device is formed of a plurality of arbitrarily shaped block electrodes obtained by laser processing one or more pairs of the transparent electrodes, and the block electrodes are preferably formed at predetermined intervals.
  • the liquid crystal film is preferably formed such that the block electrode is controlled so as to be in a light transmission state along the line of sight of the observer.
  • the method of using the liquid crystal blind device according to the present invention made to achieve the above object includes disposing the liquid crystal blind device on at least the front surface of the light-transmitting external member and disposing the screen member behind the external member.
  • the block electrode is controlled so that a light beam from a light source is in a light-transmitting state, and the light beam transmitted through the liquid crystal blind device is transmitted through the external member and then projected onto the screen member.
  • the liquid crystal blind device has a viewing angle dependency corresponding to the need to view a product or scenery in a specific direction through a show window or window, to hide, to enter light in a specific direction, or to block light.
  • a viewing angle dependency corresponding to the need to view a product or scenery in a specific direction through a show window or window, to hide, to enter light in a specific direction, or to block light.
  • FIG. 1A is a sectional view and FIG. 1B is a perspective view in the case where the liquid crystal blind device of the present invention includes three transparent plates, two pairs of intermediate films, and two liquid crystal films.
  • FIG. 2 is a cross-sectional view of the liquid crystal film of the present invention.
  • FIG. 3 is a view showing a blind that can be seen through from an oblique direction according to the present invention.
  • FIG. 4 is a diagram of a curved partition according to the present invention.
  • FIG. 5 shows the present invention applied to a show window.
  • FIG. 6 is a diagram in which the present invention is applied to a water tank.
  • FIG. 1A is a cross-sectional view when the liquid crystal blind device 1 of the present invention is composed of three transparent plates 10, two pairs of intermediate films 20, and two liquid crystal films 30, and FIG. 1B is a perspective view. is there.
  • the outer two transparent plates 10 have a sandwich structure of 3 mm glass and the inner one transparent plate 10 has a sandwich structure of 8 mm glass.
  • a sandwich structure in which two liquid crystal films 30 patterned in FIG. 1 are sandwiched between intermediate films 20 each composed of a glass plate and / or a resin plate is used.
  • the even-numbered portion of the second sheet electrically transparent, it is possible to realize a blind having angle dependency.
  • the odd-numbered liquid crystal of the first liquid crystal film 30 and the even-numbered liquid crystal of the second liquid crystal film 30 are opaque, so the field of view is obstructed and the opposite side is not visible, but the left diagonal or right diagonal direction Since the even-numbered liquid crystals of the first liquid crystal film 30 and the odd-numbered liquid crystals of the second liquid crystal film 30 are transparent, the opposite side can be seen through these transparent liquid crystal portions.
  • one of the two liquid crystal films 30 is cut with an odd-numbered row of 9 mm and an even-numbered row of 7 mm, and the other is cut with an odd-numbered row of 7 mm and an even-numbered row of 9 mm.
  • the gap (gap) between the odd and even rows is preferably 0.5 mm or less.
  • the above pattern is generically called a block electrode.
  • each block electrode When electricity is applied to each block electrode, it becomes transparent and glass-like, and when electricity is not applied to the block electrode, it becomes opaque and ground-glass-like.
  • FIG. 2 is a cross-sectional view of the liquid crystal film 30 of the present invention.
  • the outermost side of the liquid crystal film 30 is the substrate 40, and the inner side is the transparent electrode 50.
  • the polymer and the liquid crystal composite material 60 are sandwiched between the two.
  • the material of the substrate 40 may be any material that can be processed into a film that transmits ultraviolet rays, such as PET, PMMA, PC, and PEN.
  • the transparent electrode 50 may be anything as long as it can form a so-called transparent electrode 50 such as a conductive polymer, ZnO, SnO2, or carbon nanofiber as well as ITO.
  • the coating method may be any so-called wet coating, such as a dropping method, a non-spin slit method, a knife coating method, an ink jet method, a slit coating method, a dip coating method, a spray method, and a screen printing method.
  • Any adhesive or tape that can cover the periphery can be used to prevent deterioration.
  • Any material that does not degrade the polymer and the liquid crystal composite material 60 and the transparent electrode 50, that is, the material constituting the liquid crystal film may be used as a material for preventing deterioration, but it is desirable that the material is for liquid crystal.
  • the polymer and liquid crystal composite material 60 is a polymer dispersed liquid crystal (PDLC), a polymer network liquid crystal (PNLC), or a NCAP (Nematic). It consists of a liquid crystal light control film such as Curvilinear Aligned Phase) or PALC (Polymer-Assembled Liquid Crystal).
  • Block electrodes are generated by patterning.
  • a pattern picture is drawn on a personal computer (PC), converted into data, and sent to the laser device.
  • the laser device uses this data to execute control when cutting the liquid crystal film.
  • the distance from the laser device to the liquid crystal film surface is measured in real time using laser light, and the laser output is automatically adjusted based on the measured distance for etching.
  • the device When cutting a liquid crystal film, the device is devised so that it can cut a fixed depth by controlling the laser output in real time by measuring the distance in the Z axis (height direction) as well as controlling the XY axis plane. ing. This function is effective for processing the electrode part, and the electrode is realized by cutting only one of the two ITO-PET films (half cut). It is also possible to remove only the transparent electrode layer (ITO here) by shifting the focal point of the laser deeper than the film surface (instead of half-cutting the film).
  • the first usage method is a usage method as a window or a partition.
  • a thin grid or crosspiece is attached so that the thin crosspiece has a predetermined angle so that the inside can not be seen from the outside. They are blocking or blocking light.
  • the present invention can do this electronically so that the scenery in the desired direction can be seen.
  • the window of the neighbor's house is on the left side and there is a beautiful cherry tree on the right side.
  • the window can be seen, but the inconvenience can be solved by configuring the blinds so that the cherry trees can be seen.
  • FIG. 4 shows a partition 100 for use in the various usage modes described above.
  • the partition 100 is in a state of partitioning a plurality of rectangular liquid crystal films 30 by combining a plurality of vertical frame bodies 110 and a plurality of horizontal frame bodies 120.
  • the horizontal frame 120 is smoothly curved, so that when the partition 100 is placed on the floor or the ground, it can be in a self-supporting state without falling down.
  • the plurality of liquid crystal films 30 have electrodes that are not shown, and these electrodes are connected to a control circuit that is not shown. When the control circuit is driven, the specific liquid crystal film 30 can be in a light non-transmissive state, and the other liquid crystal film 30 can be in a light transmissive state.
  • the liquid crystal film 30a displayed with smoke is in a light-impermeable state.
  • the liquid crystal film 30b shown in white is in a light transmission state, and the other side of the partition 100 can be visually recognized through the liquid crystal film 30b.
  • FIG. 5 is a side view applied to a show window.
  • a transparent window glass 130 is arranged on the outer wall 140 of a building such as a store installed on the ground 150.
  • a liquid crystal film 30 is attached to the inside of the window glass 130.
  • a projector 80 and a product 90 placed on a table are placed inside the room. The product 90 placed on the table is installed closer to the window, and the projector 80 is installed farther from the window.
  • the window glass 130 is used as a show window, the area A of the liquid crystal film 30 is made opaque without being energized, and the parts other than the area A are energized and made transparent so that the product 90 can be seen from the outside of the window. In the form of a normal show window.
  • the commodity 90 is not shown, and the window glass 130 is used as a screen so that a passerby can see an image projected from the projector from outside the building.
  • the liquid crystal film is not energized and is made opaque and an image is projected from the projector 80 to the area A in the form of the light beam 80a, a passer-by can see a clear image from outside the building. .
  • cost and space can be greatly improved compared to previous signboard announcements.
  • the space including the outer wall 140, the product 90, and the projector 80 is widened, it can be used as a space for stage, interior, and amusement.
  • a stage device, a large tool, a prop, or an actual person such as a human being is arranged between the projector 80 and the liquid crystal film 30, and free-form patterns such as snow, fallen leaves, and patterns are formed on the plurality of liquid crystal films 30, and are controlled by the control device. It is possible to switch the energized pattern from moment to moment.
  • FIG. 6 shows a usage mode in which a water tank 160 is disposed between the projector 80 and the screen 170.
  • the liquid crystal film 30 is mounted on at least the projector 80 side surface of the water tank 160.
  • a liquid crystal blind device 1 (see FIG. 1) may be disposed.
  • the block electrode of the liquid crystal film 30 is controlled so that the light beam from the projector 80 is in a transmissive state. Thereby, after the light beam that has passed through the liquid crystal film 30 passes through the water tank 160, an image is displayed on the screen 170.
  • the liquid crystal film 30 can be freely cut or used on a curved surface, it can be attached to a water tank of any shape such as a rectangular parallelepiped and a curved surface.
  • the liquid crystal film 30 transmits and blocks light, thereby generating an image in which a pattern, an image, and an effect are fused due to light scattering, refraction, and reflection in water.
  • the water tank 160 can be used purely with water, or it can contain fine particles in the water, or can contain actual things such as fish, aquatic plants and stones. The light is further diffused when the fine particles are put into water. Moreover, by putting the real thing, it can be set as the form which the real image and the virtual image united.
  • the observer looks at the water tank 160 with the projector 80 in the back, but when the observer is between the screen 170 and the water tank 160 and faces the projector 80 through the water tank 160, the optical path in the water tank 160 is changed. You can also appreciate the effect of image fusion.
  • the above embodiment can operate in the same manner as the liquid crystal blind device 1 shown in FIG.
  • the present invention it is possible to change the expression form by changing the composition of the polymer and the liquid crystal composite material 60 that are constituent elements of the liquid crystal film 30.
  • a space effect can also be performed by combining a liquid crystal film and a magic mirror. The same effect can be realized not only in the production using transmitted light but also in a system using reflected light, a so-called front screen system.

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Liquid Crystal (AREA)
  • Dispersion Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)

Abstract

L'invention porte sur un dispositif de store à cristaux liquides qui passe à l'état de transmission de lumière le long de la ligne de vision d'un observateur, et qui comprend, formés en son sein, une pluralité de motifs de n'importe quelle forme. L'invention porte également sur un procédé d'utilisation du dispositif. Le dispositif est caractérisé en ce qu'il comprend : une pluralité de plaques transparentes constituées de verre, de résine ou de plastique; une paire d'intercouches, de matériaux adhésifs ou de matériaux adhésifs sensibles à la pression formés sur les côtés internes de chaque paire de plaques transparentes; et un film de cristaux liquides pris en sandwich entre la paire d'intercouches, de matériaux adhésifs ou de matériaux adhésifs sensibles à la pression. Le dispositif est en outre caractérisé en ce que le film de cristaux liquides comprend : une paire de substrats, une paire ou de multiples paires d'électrodes transparentes formées à l'intérieur de la paire de substrats; et un matériau composite polymère/cristaux liquides pris en sandwich entre les deux électrodes transparentes de la paire ou entre les deux électrodes transparentes de chacune des multiples paires.
PCT/JP2009/071452 2009-03-02 2009-12-24 Dispositif de store à cristaux liquides et son procédé d'utilisation Ceased WO2010100807A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2011502599A JPWO2010100807A1 (ja) 2009-03-02 2009-12-24 液晶ブラインド装置とその使用方法

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Application Number Priority Date Filing Date Title
JP2009048327 2009-03-02
JP2009-048327 2009-03-02

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WO2010100807A1 true WO2010100807A1 (fr) 2010-09-10

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WO2014010498A1 (fr) * 2012-07-12 2014-01-16 ソニー株式会社 Dispositif d'arrêt de lumière, procédé d'arrêt de lumière et programme
CN104781728A (zh) * 2012-11-13 2015-07-15 3M创新有限公司 可切换的透明显示器
CN105334656A (zh) * 2015-11-24 2016-02-17 南方科技大学 一种液晶窗及其控制方法
WO2017073864A1 (fr) * 2015-10-29 2017-05-04 주식회사 스위스 Store vénitien électronique
JP2018185490A (ja) * 2017-04-27 2018-11-22 大日本印刷株式会社 仕切り部材
JP2019020511A (ja) * 2017-07-13 2019-02-07 凸版印刷株式会社 調光モジュールおよび電子ブラインド
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WO2019138832A1 (fr) * 2018-01-12 2019-07-18 凸版印刷株式会社 Feuille de réglage de lumière et dispositif de réglage de lumière
JP2019200414A (ja) * 2018-05-15 2019-11-21 凸版印刷株式会社 調光装置
US10705363B2 (en) 2017-07-13 2020-07-07 Cardinal Ig Company Electrical connection configurations for privacy glazing structures
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US10968684B2 (en) 2018-08-17 2021-04-06 Cardinal Ig Company Privacy glazing structure with asymetrical pane offsets for electrical connection configurations
US11003007B2 (en) 2016-05-24 2021-05-11 Dai Nippon Printing Co., Ltd. Light modulating device
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US11360364B2 (en) 2017-11-06 2022-06-14 Cardinal Ig Company Privacy glazing system with discrete electrical driver
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US12228834B2 (en) 2018-05-15 2025-02-18 Toppan Printing Co., Ltd. Light control device, management method for light control device, and production method for light control device

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US9989840B2 (en) 2012-07-12 2018-06-05 Sony Corporation Light shielding device and light shielding method
JPWO2014010498A1 (ja) * 2012-07-12 2016-06-23 ソニー株式会社 遮光装置および遮光方法、並びにプログラム
CN104428474A (zh) * 2012-07-12 2015-03-18 索尼公司 光屏蔽装置、光屏蔽方法以及程序
EP2920642A4 (fr) * 2012-11-13 2016-09-21 3M Innovative Properties Co Affichage transparent commutable
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WO2017073864A1 (fr) * 2015-10-29 2017-05-04 주식회사 스위스 Store vénitien électronique
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