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WO2025069299A1 - Dispositif d'affichage et procédé de fabrication d'un dispositif d'affichage - Google Patents

Dispositif d'affichage et procédé de fabrication d'un dispositif d'affichage Download PDF

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Publication number
WO2025069299A1
WO2025069299A1 PCT/JP2023/035384 JP2023035384W WO2025069299A1 WO 2025069299 A1 WO2025069299 A1 WO 2025069299A1 JP 2023035384 W JP2023035384 W JP 2023035384W WO 2025069299 A1 WO2025069299 A1 WO 2025069299A1
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WO
WIPO (PCT)
Prior art keywords
region
layer
display device
electrode
common
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.)
Pending
Application number
PCT/JP2023/035384
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English (en)
Japanese (ja)
Inventor
翔太 岡本
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.)
Sharp Display Technology Corp
Original Assignee
Sharp Display Technology 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 Sharp Display Technology Corp filed Critical Sharp Display Technology Corp
Priority to PCT/JP2023/035384 priority Critical patent/WO2025069299A1/fr
Publication of WO2025069299A1 publication Critical patent/WO2025069299A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H05B33/02—Details
    • H05B33/06—Electrode terminals
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H05B33/12—Light sources with substantially two-dimensional radiating surfaces
    • H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
    • H10K50/115—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising active inorganic nanostructures, e.g. luminescent quantum dots
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/14—Carrier transporting layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/131—Interconnections, e.g. wiring lines or terminals
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/17—Passive-matrix OLED displays
    • H10K59/179—Interconnections, e.g. wiring lines or terminals
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/10—Deposition of organic active material
    • H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/60—Forming conductive regions or layers, e.g. electrodes

Definitions

  • the present invention relates to a display device in which a charge transport layer of a light-emitting element is uniformly formed over the entire display area using, for example, an inkjet device, and a method for manufacturing the display device.
  • a configuration is disclosed in which a first bank and a second bank are provided in the frame area to dam up the ink material by stopping the flow of the ink material used in the sealing layer that seals the OLED elements (Patent Document 1).
  • the ink will spread immediately after application and a film will be formed on the cathode contact located outside the display area.
  • the frame area of the display device will become large.
  • the display device includes a plurality of light-emitting elements each having a first electrode, a second electrode that is a layer above the first electrode, and a light-emitting layer and a charge transport layer that are provided between the first electrode and the second electrode, the second electrode being a part of a common electrode formed in common for the plurality of light-emitting elements, the charge transport layer being a part of a common layer formed in common for the plurality of light-emitting elements, the display area in which the plurality of light-emitting elements are provided, the display area including a first region having an end located outside an end of the display area in a plan view, and a connection portion in which the common electrode is electrically connected to a conductive layer that is the same layer as the first electrode or a layer below the first electrode, the display area including a second region provided outside the first region, and a third region provided between the first region and the second region, the end of the common layer being located outside the display area, and the third region including
  • the manufacturing method of a display device includes a process for forming a plurality of light-emitting elements, including a first process for forming a plurality of first electrodes, a second process for forming one of the light-emitting layer and the charge-transporting common layer, a third process for forming the other of the light-emitting layer and the charge-transporting common layer, and a fourth process for forming a second electrode that is a common electrode, and includes a process for forming a conductive layer outside the display area in which the plurality of light-emitting elements are provided, at or before the first process, and a process for providing a formation area defining portion, at or before the process for forming the charge-transporting common layer, for positioning an end of the common layer formed in the process for forming the charge-transporting common layer at least one of between the display area and the formation area defining portion and on the formation area defining portion.
  • a display device that can suppress the spreading of liquid in the display area during, for example, inkjet coating, without widening the area between the display area and the cathode contact.
  • FIG. 1 is a plan view of a display device according to a first embodiment.
  • 2 is a cross-sectional view taken along line II-II shown in FIG. 1.
  • FIG. 2 is a partial plan view of the display device.
  • FIG. 4 is a cross-sectional view taken along line IV-IV shown in FIG.
  • FIG. 11 is a cross-sectional view of a display device according to a second embodiment.
  • FIG. 2 is a partial plan view of the display device.
  • FIG. 7 is a cross-sectional view taken along line VII-VII shown in FIG. 6.
  • FIG. 11 is a cross-sectional view of a display device according to a third embodiment.
  • FIG. 2 is a partial plan view of the display device.
  • 10 is a cross-sectional view taken along line XX shown in FIG. 9.
  • Fig. 1 is a plan view of a display device 1 according to embodiment 1.
  • Fig. 2 is a cross-sectional view taken along line II-II shown in Fig. 1.
  • Fig. 3 is a partial plan view of the display device 1.
  • Fig. 4 is a cross-sectional view taken along line IV-IV shown in Fig. 3.
  • the display device 1 includes a plurality of light-emitting elements 2R (e.g., light-emitting elements that emit red light), a plurality of light-emitting elements 2G (e.g., light-emitting elements that emit green light), and a plurality of light-emitting elements 2B (e.g., light-emitting elements that emit blue light).
  • Each of the light-emitting elements 2R, 2G, and 2B includes a first electrode 3, a second electrode 4 that is an upper layer than the first electrode 3, and light-emitting layers 5R, 5G, and 5B, a first charge transport layer 10, and a second charge transport layer 11 that are provided between the first electrode 3 and the second electrode 4.
  • the second electrode 4 is a part of a common electrode 8 formed in common to the plurality of light-emitting elements 2R, 2G, and 2B.
  • the first charge transport layer 10 and the second charge transport layer 11 are a part of a common layer 9 formed in common to the plurality of light-emitting elements 2R, 2G, and 2B.
  • the display device 1 includes a display area 12 in which a plurality of light-emitting elements 2R, 2G, and 2B are provided.
  • the display device 1 also includes a first area 13 having an end 13a located outside an end 12a of the display area 12 in a plan view, a connection portion 17 in which a common electrode 8 is electrically connected to a conductive layer 16 that is in the same layer as the first electrode 3 or a layer below the first electrode 3, a second area 14 provided outside the first area 13, and a third area 15 provided between the first area 13 and the second area 14.
  • An end of the common layer 9 is located outside the display region 12.
  • the third region 15 is provided with a protrusion 18 (formation region defining portion) that is a layer below the common layer 9 and positions the end of the common layer 9 at least one of inside the third region 15 and within the third region 15.
  • protrusions 18 are formed between the display region 12 and the connection portion 17 to suppress the penetration of the liquid into the connection portion 17. This makes it possible to form a uniform film by inkjet coating in the display region 12 without the liquid during inkjet coating being formed into a film on the cathode contact.
  • An end 13a of the first region 13 is in contact with an inner end 15a of the third region 15.
  • An outer end 15b of the third region 15 is in contact with an inner end 14a of the second region 14.
  • the protrusion 18 is formed to be higher than the film thickness of the common layer 9 .
  • An end 13a of the first region 13 is formed so as to surround an end 12a of the display region 12.
  • the third region 15 is formed so as to surround the first region 13.
  • the second region 14 is formed so as to surround the third region 15.
  • the protrusion 18 is formed so as to surround the end 13a of the first region 13.
  • the protrusions 18 can be formed by photolithography using, for example, an organic photosensitive material or a material that forms a silicon nitride film.
  • the height of the protrusion 18 is preferably 1 ⁇ m or more and 3 ⁇ m or less.
  • the shortest distance between the inner end 18a of the protrusion 18 and the outer end 18b of the protrusion 18 is preferably 100 ⁇ m or more and 300 ⁇ m or less, and more preferably 100 ⁇ m or more and 200 ⁇ m or less.
  • the display device 1 includes a bank 7 that exposes the center of the first electrode 3 and covers the end of the first electrode 3.
  • the protrusion 18 and the bank 7 may be the same layer made of the same material. In this way, the protrusions 18 can be fabricated in the same layer as the banks 7 that define the size of the pixels in the display area 12 .
  • the shortest distance between the end 12a of the display area 12 and the inner end 14a of the second area 14 is preferably 0.5 mm or more and 1 mm or less. This allows the frame area surrounding the display area 12 to be narrowed.
  • the common layer 9 includes at least one of a first charge transport layer 10 formed on the first electrode 3 side of the light-emitting layers 5R, 5G, and 5B, and a second charge transport layer 11 formed on the second electrode 4 side of the light-emitting layers 5R, 5G, and 5B.
  • the first charge transport layer 10 is preferably at least one of a hole injection layer and a hole transport layer.
  • the second charge transport layer 11 is preferably at least one of an electron injection layer and an electron transport layer.
  • the first charge transport layer 10 may be at least one of an electron injection layer and an electron transport layer
  • the second charge transport layer 11 may be at least one of a hole injection layer and a hole transport layer.
  • the first charge transport layer 10 and the second charge transport layer 11 contain ink in which charge transporting nanoparticles or a charge transporting resin is dissolved.
  • the light-emitting layer 5 preferably contains quantum dots or an organic light-emitting material, but is not limited to a structure containing quantum dots.
  • the protrusions 18 are formed so that they are positioned in the order of the boundary of the display area 12, the boundary of the inkjet printing area, the protrusions 18, and the connection area 17 from the inside of the display device 1.
  • the inkjet film is formed so that the inkjet film formed after drying does not exceed the protrusions 18.
  • the film thickness unevenness 21 of the common layer 9 that occurs at the boundary of the inkjet printing area does not exist within the display area 12, and the inkjet liquid does not penetrate and form a film in the cathode contact area of the conductive layer 16.
  • the distance D from the display area 12 to the connection area 17 is 0.5 mm or more and 1 mm or less.
  • the first bank and second bank in Patent Document 1 are installed in the frame region outside the cathode contact, but the protrusion 18 in this embodiment is not installed in the frame region outside the cathode contact, but is installed inside the cathode contact just outside the display region 12. This allows the protrusion 18 to have the effect of preventing the spread of the inkjet film when the common layer 9 of the functional material that constitutes the device is formed by inkjet.
  • the “functional material” formed by inkjet refers to the charge transport layer common to each color other than the light-emitting layers 5R, 5G, and 5B that make up the OLED.
  • the charge transport layer includes a hole injection layer, a hole transport layer, an electron injection layer, and an electron transport layer.
  • the structure of the protrusions 18 outside the display area 12 in this embodiment is effective when these charge transport layers are applied by inkjet in a so-called solid coating, that is, when they are applied uniformly over the entire display area 12. It is difficult to achieve the effect with a printing method in which the charge transport layer is applied separately for each pixel rather than in a solid coating.
  • the protrusion 18 if the protrusion 18 is too high, there is a risk of a step being generated when forming the common electrode 8 including the second electrode 4, which serves as the cathode. Therefore, it is preferable to limit the height of the protrusion 18 to 1-3 ⁇ m.
  • the manufacturing method of the display device 1 includes the steps of forming a plurality of light-emitting elements 2R, 2G, and 2B, including a first step of forming a plurality of first electrodes 3, a second step of forming one of the light-emitting layer 5 and the charge-transporting common layer 9, a third step of forming the other of the light-emitting layer 5 and the charge-transporting common layer 9, and a fourth step of forming the second electrode 4, which is the common electrode 8.
  • the manufacturing method of this display device 1 includes, in the first step or prior to the first step, a step of forming a conductive layer 16 outside a display area 12 in which a plurality of light-emitting elements 2R, 2G, and 2B are provided, and, prior to the step of forming a charge-transporting common layer 9, a step of providing a protrusion 18 that positions an end of the common layer 9 formed in the step of forming the charge-transporting common layer 9 at least one of between the display area 12 and the protrusion 18 (formation area defining portion) and on the protrusion 18 (formation area defining portion).
  • Fig. 5 is a cross-sectional view of a display device 1A according to embodiment 2.
  • Fig. 6 is a partial plan view of the display device 1A.
  • Fig. 7 is a cross-sectional view taken along line VII-VII shown in Fig. 6. Components similar to those described above are designated by similar reference numerals. Detailed descriptions of these components will not be repeated.
  • the display device 1A includes a liquid-repellent portion 19 (a formation region defining portion) that repels the material that forms the common layer 9 .
  • An end 13a of the first region 13 is formed so as to surround an end 12a of the display region 12.
  • the third region 15 is formed so as to surround the first region 13.
  • the second region 14 is formed so as to surround the third region 15.
  • the liquid repellent portion 19 is formed so as to surround the end 13a of the first region 13.
  • the liquid repellent portion 19 preferably contains a fluorine-based material or a silicon-based material. In this manner, by forming the surface of the region between the display region 12 and the conductive layer 16 into the liquid-repellent portion 19 made of a liquid-repellent material, the penetration of liquid from the display region 12 to the conductive layer 16 is suppressed.
  • the liquid-repellent portion 19 may be made of a fluorine-based or silicon-based material. It is preferable that the distance D from the display area 12 to the connection portion 17 is 0.5 mm or more and 1 mm or less.
  • the liquid repellent portion 19 is formed so that, from the inside of the display device 1A, the boundary of the display area 12, the boundary of the printing area, the liquid repellent portion 19, and the connection portion 17 are in this positional relationship. It is also possible to perform inkjet printing on the liquid repellent portion 19, but the printed ink is repelled by the liquid repellent portion 19 and printed so that a film is formed on the display area 12 side. As a result, the unevenness in film thickness that occurs at the boundary of the printing area does not exist within the display area 12, and the liquid does not penetrate and form a film in the cathode contact area of the conductive layer 16.
  • the shortest distance between the inner end 19a of the liquid repellent portion 19 and the outer end 19b of the liquid repellent portion 19 is preferably 100 ⁇ m or more and 300 ⁇ m or less.
  • the display device 1A includes a bank 7 that exposes a central portion of the first electrode 3 and covers an end portion of the first electrode 3.
  • the liquid repellent portion 19 may be provided in an opening of a layer that is made of the same material as the bank 7 and is the same layer. In the step of providing the formation region defining portion, it is preferable to provide a liquid repellent portion 19 that repels the material that forms the common layer 9 .
  • Fig. 8 is a cross-sectional view of a display device 1B according to embodiment 3. Fig.
  • FIG. 9 is a partial plan view of the display device 1B.
  • Fig. 10 is a cross-sectional view taken along line X-X shown in Fig. 9. Components similar to those described above are given the same reference numerals. Detailed descriptions of these components will not be repeated.
  • the display device 1B includes a groove 20 in a layer below the common layer 9 .
  • a groove 20 is provided as a depression between the display area 12 and the conductive layer 16.
  • This groove 20 may be formed in advance using an organic photosensitive material or the like before creating the circuit of the display area 12 of the backplane substrate.
  • the groove 20 is formed so as to have a positional relationship of the boundary of the display area 12, the boundary of the printing area, the groove 20, and the connection section 17 in that order from the inside of the display device 1B. As a result, the unevenness in film thickness occurring at the boundary of the printing area does not exist within the display area 12, and the liquid does not penetrate and form a film in the cathode contact area of the conductive layer 16.
  • the display device 1B includes a bank 7 that exposes the center of the first electrode 3 and covers the end of the first electrode 3.
  • the layer below the common layer 9 in which the groove 20 is formed and the bank 7 may be the same layer made of the same material.
  • a layer below the common layer 9 may have a plurality of grooves 20 formed therein. In the step of providing the formation region defining portion, it is preferable to provide the groove 20 in a layer below the common layer 9 .
  • the width of the groove 20 is preferably 100 ⁇ m or more and 500 ⁇ m or less.
  • the distance D from the display area 12 to the connection portion 17 is preferably 0.5 mm or more and 1 mm or less.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Nanotechnology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

Est prévu un dispositif d'affichage (1) comprenant une pluralité d'éléments électroluminescents (2R, 2G, 2B). Une seconde électrode (4) fait partie d'une électrode commune (8) partagée par des éléments électroluminescents (2R, 2G, 2B). Une couche de transport de charge fait partie d'une couche commune (9). L'invention concerne une première région (13) ayant une extrémité (13a) positionnée à l'extérieur d'une extrémité (12a) d'une région d'affichage (12) qui est dotée des éléments électroluminescents (2R, 2G, 2B) ; une deuxième région (14) placée à l'extérieur de la première région (13) et comprenant une partie de connexion (17) dans laquelle une couche conductrice (16), qui est une couche identique ou plus basse que celle d'une première électrode (3), est connectée à l'électrode commune (8) ; et une troisième région (15) placée entre la première région (13) et la deuxième région (14). Une extrémité de la couche commune (9) est positionnée à l'extérieur de la région d'affichage (12). La troisième région (15) est dotée d'une saillie (18) qui est dans une couche qui est plus basse que la couche commune (9) et qui rend le positionnement de l'extrémité de la couche commune (9) soit plus vers l'intérieur que la troisième région (15), soit à l'intérieur de la troisième région (15).
PCT/JP2023/035384 2023-09-28 2023-09-28 Dispositif d'affichage et procédé de fabrication d'un dispositif d'affichage Pending WO2025069299A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/035384 WO2025069299A1 (fr) 2023-09-28 2023-09-28 Dispositif d'affichage et procédé de fabrication d'un dispositif d'affichage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/035384 WO2025069299A1 (fr) 2023-09-28 2023-09-28 Dispositif d'affichage et procédé de fabrication d'un dispositif d'affichage

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WO2025069299A1 true WO2025069299A1 (fr) 2025-04-03

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005302707A (ja) * 2004-03-16 2005-10-27 Semiconductor Energy Lab Co Ltd 発光装置
JP2007234431A (ja) * 2006-03-01 2007-09-13 Seiko Epson Corp 有機発光装置、有機発光装置の製造方法および電子機器
JP2010140790A (ja) * 2008-12-12 2010-06-24 Casio Computer Co Ltd 発光パネル及び発光パネルの製造方法
JP2011171278A (ja) * 2010-02-19 2011-09-01 Samsung Mobile Display Co Ltd 有機発光表示装置
JP2016173461A (ja) * 2015-03-17 2016-09-29 株式会社ジャパンディスプレイ 表示装置
JP2017142999A (ja) * 2016-02-10 2017-08-17 セイコーエプソン株式会社 電気光学装置、および電子機器
WO2018179308A1 (fr) * 2017-03-31 2018-10-04 シャープ株式会社 Dispositif d'affichage et procédé de production associé
WO2019097823A1 (fr) * 2017-11-15 2019-05-23 株式会社ジャパンディスプレイ Dispositif d'affichage
WO2019142582A1 (fr) * 2018-01-18 2019-07-25 ソニーセミコンダクタソリューションズ株式会社 Dispositif d'affichage et machine électronique
WO2019171878A1 (fr) * 2018-03-06 2019-09-12 株式会社ジャパンディスプレイ Dispositif d'affichage électroluminescent organique
WO2022018799A1 (fr) * 2020-07-20 2022-01-27 シャープ株式会社 Dispositif d'affichage
JP2023099446A (ja) * 2021-12-31 2023-07-13 エルジー ディスプレイ カンパニー リミテッド 発光表示装置

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005302707A (ja) * 2004-03-16 2005-10-27 Semiconductor Energy Lab Co Ltd 発光装置
JP2007234431A (ja) * 2006-03-01 2007-09-13 Seiko Epson Corp 有機発光装置、有機発光装置の製造方法および電子機器
JP2010140790A (ja) * 2008-12-12 2010-06-24 Casio Computer Co Ltd 発光パネル及び発光パネルの製造方法
JP2011171278A (ja) * 2010-02-19 2011-09-01 Samsung Mobile Display Co Ltd 有機発光表示装置
JP2016173461A (ja) * 2015-03-17 2016-09-29 株式会社ジャパンディスプレイ 表示装置
JP2017142999A (ja) * 2016-02-10 2017-08-17 セイコーエプソン株式会社 電気光学装置、および電子機器
WO2018179308A1 (fr) * 2017-03-31 2018-10-04 シャープ株式会社 Dispositif d'affichage et procédé de production associé
WO2019097823A1 (fr) * 2017-11-15 2019-05-23 株式会社ジャパンディスプレイ Dispositif d'affichage
WO2019142582A1 (fr) * 2018-01-18 2019-07-25 ソニーセミコンダクタソリューションズ株式会社 Dispositif d'affichage et machine électronique
WO2019171878A1 (fr) * 2018-03-06 2019-09-12 株式会社ジャパンディスプレイ Dispositif d'affichage électroluminescent organique
WO2022018799A1 (fr) * 2020-07-20 2022-01-27 シャープ株式会社 Dispositif d'affichage
JP2023099446A (ja) * 2021-12-31 2023-07-13 エルジー ディスプレイ カンパニー リミテッド 発光表示装置

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