JP2023098833A - 有機電界発光表示装置 - Google Patents
有機電界発光表示装置 Download PDFInfo
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- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
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- 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
- H10K59/122—Pixel-defining structures or layers, e.g. banks
-
- 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
- H10K50/15—Hole transporting layers
-
- 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
- H10K50/16—Electron transporting layers
-
- 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]
- H10K50/17—Carrier injection layers
-
- 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
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/82—Cathodes
- H10K50/822—Cathodes characterised by their shape
-
- 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
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/841—Self-supporting sealing arrangements
-
- 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
- H10K59/80—Constructional details
- H10K59/805—Electrodes
- H10K59/8052—Cathodes
- H10K59/80521—Cathodes characterised by their shape
-
- 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
- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
- H10K59/871—Self-supporting sealing arrangements
- H10K59/8723—Vertical spacers, e.g. arranged between the sealing arrangement and the OLED
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- 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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
-
- 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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
- H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
114 半導体層
116 ゲート絶縁層
122 ソース電極
124 ドレイン電極
132 アノード電極
134 正孔輸送層
135 発光層
136 電子輸送層
138 カソード電極
152 バンク層
154 スペーサ
156 開口部
Claims (11)
- 第1基板と、
前記第1基板上に形成され、複数のR(赤)、G(緑)、B(青)サブ画素を区画するバンク層と、
各々のサブ画素に配置された薄膜トランジスタと、
各々のサブ画素に配置された有機発光素子と、
前記バンク層上における前記Rサブ画素の周辺に配置された複数のスペーサとで構成され、
前記有機発光素子は、各々のサブ画素に配置されたアノード電極、正孔輸送層、発光層、電子輸送層、カソード電極を含み、
前記複数のスペーサのそれぞれは逆テーパー状に形成され、前記正孔輸送層および前記電子輸送層は、前記複数のスペーサのそれぞれの側面および上面を介して隣接するサブ画素に延伸し、前記カソード電極は、前記複数のスペーサのそれぞれの側面により断線することを特徴とする表示装置。 - 前記複数のスペーサは、前記Rサブ画素の周辺において互いに離間して配置され、前記Rサブ画素を取り囲むことを特徴とする、請求項1に記載の表示装置。
- 前記複数のスペーサのそれぞれは、互いに所定の距離で離間した複数個で構成されることを特徴とする、請求項2に記載の表示装置。
- 前記複数のスペーサは、前記バンク層と異なる物質で構成されることを特徴とする、請求項1に記載の表示装置。
- 前記複数のスペーサは、前記バンク層と同じ物質で構成されることを特徴とする、請求項1に記載の表示装置。
- 前記Rサブ画素の周辺におけるバンク層に形成された少なくとも1つの開口部をさらに含むことを特徴とする、請求項1に記載の表示装置。
- 前記開口部は、前記Rサブ画素を取り囲む閉曲線形状に形成されることを特徴とする、請求項6に記載の表示装置。
- 前記開口部の内部に、前記正孔輸送層、前記電子輸送層、および前記カソード電極が形成されることを特徴とする、請求項7に記載の表示装置。
- 前記開口部の側壁は、逆テーパー状であることを特徴とする、請求項6に記載の表示装置。
- 前記正孔輸送層と前記電子輸送層は、前記開口部の側壁および底面に形成され、前記カソード電極は、前記開口部の側壁により断線することを特徴とする、請求項9に記載の表示装置。
- 前記アノード電極と前記正孔輸送層との間に配置された正孔注入層と、
前記電子輸送層と前記カソード電極との間に配置された電子注入層とをさらに含む、請求項1に記載の表示装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2021-0191084 | 2021-12-29 | ||
KR1020210191084A KR20230101185A (ko) | 2021-12-29 | 2021-12-29 | 유기전계발광 표시장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2023098833A true JP2023098833A (ja) | 2023-07-11 |
JP7510483B2 JP7510483B2 (ja) | 2024-07-03 |
Family
ID=84360491
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022193198A Active JP7510483B2 (ja) | 2021-12-29 | 2022-12-02 | 有機電界発光表示装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230209910A1 (ja) |
EP (2) | EP4207975A1 (ja) |
JP (1) | JP7510483B2 (ja) |
KR (1) | KR20230101185A (ja) |
CN (1) | CN116367579A (ja) |
TW (1) | TW202327080A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220118580A (ko) * | 2021-02-18 | 2022-08-26 | 삼성디스플레이 주식회사 | 표시 장치 및 표시 장치의 제조 방법 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6136578B2 (ja) | 2013-05-29 | 2017-05-31 | ソニー株式会社 | 表示装置および表示装置の製造方法ならびに電子機器 |
JP6232277B2 (ja) | 2013-12-18 | 2017-11-15 | 東京エレクトロン株式会社 | 有機el素子構造、その製造方法及び発光パネル |
KR102444046B1 (ko) * | 2016-05-13 | 2022-09-16 | 엘지디스플레이 주식회사 | 플렉서블 유기전계발광표시 장치 |
KR102607212B1 (ko) * | 2018-11-22 | 2023-11-28 | 엘지디스플레이 주식회사 | 플렉서블 표시장치 |
US11296156B2 (en) | 2018-11-28 | 2022-04-05 | Lg Display Co., Ltd. | Organic light emitting diode device |
CN109599426B (zh) * | 2018-12-11 | 2021-03-02 | 上海天马有机发光显示技术有限公司 | 显示面板和显示装置 |
KR20210155674A (ko) | 2020-06-16 | 2021-12-23 | 엘지디스플레이 주식회사 | 표시 장치 |
KR20220000605A (ko) * | 2020-06-26 | 2022-01-04 | 엘지디스플레이 주식회사 | 발광 표시 장치 |
-
2021
- 2021-12-29 KR KR1020210191084A patent/KR20230101185A/ko active Search and Examination
-
2022
- 2022-11-18 EP EP22208405.5A patent/EP4207975A1/en active Pending
- 2022-11-18 EP EP23205018.7A patent/EP4294155A3/en active Pending
- 2022-11-25 TW TW111145283A patent/TW202327080A/zh unknown
- 2022-11-29 CN CN202211532700.6A patent/CN116367579A/zh active Pending
- 2022-12-02 JP JP2022193198A patent/JP7510483B2/ja active Active
- 2022-12-13 US US18/080,578 patent/US20230209910A1/en active Pending
Also Published As
Publication number | Publication date |
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EP4294155A2 (en) | 2023-12-20 |
JP7510483B2 (ja) | 2024-07-03 |
CN116367579A (zh) | 2023-06-30 |
EP4207975A1 (en) | 2023-07-05 |
EP4294155A3 (en) | 2024-02-21 |
TW202327080A (zh) | 2023-07-01 |
KR20230101185A (ko) | 2023-07-06 |
US20230209910A1 (en) | 2023-06-29 |
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