JP6650991B2 - 有機発光表示装置 - Google Patents
有機発光表示装置 Download PDFInfo
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- JP6650991B2 JP6650991B2 JP2018224590A JP2018224590A JP6650991B2 JP 6650991 B2 JP6650991 B2 JP 6650991B2 JP 2018224590 A JP2018224590 A JP 2018224590A JP 2018224590 A JP2018224590 A JP 2018224590A JP 6650991 B2 JP6650991 B2 JP 6650991B2
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Images
Classifications
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- 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
-
- 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
-
- 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
- H10K50/805—Electrodes
- H10K50/82—Cathodes
- H10K50/824—Cathodes combined with auxiliary electrodes
-
- 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
- H10K50/844—Encapsulations
-
- 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
- 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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
- Optical Filters (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
図3は、本発明の第1実施形態に係る有機発光表示装置を概略的に示す平面図である。図4は、本発明の第1実施形態に係る有機発光表示装置を概略的に示す断面図である。図5は、カソード、保護膜、コンタクト電極の間の位置関係及び接続関係を説明するための図である。
図6は、本発明の第2実施形態に係る有機発光表示装置を概略的に示す平面図である。図7は本発明の第2実施形態に係る有機発光表示装置を概略的に示す断面図である。図8は、本発明のバンク層の第2部分の配置例を説明するための平面図である。第2実施形態を説明することにおいて、第1実施形態と実質的に同一の構成については、省略することにする。
T:薄膜トランジスタ OLE:有機発光ダイオード
CAT:カソード PAS2:シールズ
TE:コンタクト電極 EVL:Evss配線
AE:補助電極 BR:隔壁
BN:バンク層 PN1:バンク層の第1部分
PN2:バンク層の第2部分 FL:フィラー層
CF:カラーフィルタ EA:発光領域
Claims (11)
- 有機発光ダイオードが配置された第1基板と、
前記第1基板と対向し電源電圧が印加される電源配線が配置される第2基板とを含み、
前記第1基板は、
前記有機発光ダイオードのアノードと、
補助電極と、
前記補助電極上に備えられた隔壁と、
前記アノードの少なくとも一部を露出する第1開口部と、前記補助電極の少なくとも一部と前記隔壁の少なくとも一部を同時に露出する第2開口部とを有するバンク層と
前記隔壁により分離され、分離された一端が前記補助電極に直接接触する前記有機発光ダイオードのカソードと、
前記隔壁により分離され前記カソード上に配置されるコンタクト電極であって、前記隔壁により分離された一端が前記補助電極または前記カソードに直接接触するコンタクト電極と、
前記カソードとコンタクト電極との間に介在する保護膜を含み、
前記コンタクト電極と前記電源配線とが直接接触する、有機発光表示装置。 - 前記バンク層は、前記第1開口部を定義する第1部分と、前記第2開口部を定義する第2部分に区分され、
前記第1部分の高さは前記第2部分の高さより低い、請求項1に記載の有機発光表示装置。 - 前記バンク層は、前記第1開口部を定義する第1部分と、前記隔壁の少なくとも一部と重畳する第2部分に区分され、
前記第1部分の高さは、前記第2部分の高さより低い、請求項1に記載の有機発光表示装置。 - 前記保護膜は、前記カソード上で、前記カソードの一端の少なくとも一部を露出し、
前記コンタクト電極は、前記カソードの露出した一部と直接接触する、請求項1に記載の有機発光表示装置。 - 前記カソードおよび前記コンタクト電極は、前記保護膜を間に置いて、物理的に分離された、請求項1に記載の有機発光表示装置。
- 前記第2基板は、カラーフィルタを含み、
前記カラーフィルタは、前記電源配線によって区画される、請求項1に記載の有機発光表示装置。 - 前記第1基板および前記第2基板のそれぞれは、前記有機発光ダイオードからの光を放出する発光領域と前記発光領域の外側の非発光領域とを含み、
前記電源配線は、前記非発光領域に配置される、請求項1に記載の有機発光表示装置。 - 前記第1基板と前記第2基板との間に介在するフィラー層をさらに含む、請求項1に記載の有機発光表示装置。
- 前記隔壁は、前記補助電極上で、複数の部分に分割される、請求項1に記載の有機発光表示装置。
- 前記カソード、前記コンタクト電極、前記保護膜は、前記隔壁の形成領域のうちバンク層と重畳する部分で連続性を維持する、請求項1に記載の有機発光表示装置。
- 前記補助電極は、前記アノードと同一物質で形成され、前記アノードと同一層に形成される、請求項1に記載の有機発光表示装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2017-0163094 | 2017-11-30 | ||
KR1020170163094A KR102387344B1 (ko) | 2017-11-30 | 2017-11-30 | 유기발광 표시장치 |
Publications (2)
Publication Number | Publication Date |
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JP2019101438A JP2019101438A (ja) | 2019-06-24 |
JP6650991B2 true JP6650991B2 (ja) | 2020-02-19 |
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Application Number | Title | Priority Date | Filing Date |
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JP2018224590A Active JP6650991B2 (ja) | 2017-11-30 | 2018-11-30 | 有機発光表示装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11114512B2 (ja) |
JP (1) | JP6650991B2 (ja) |
KR (1) | KR102387344B1 (ja) |
CN (1) | CN109887954B (ja) |
GB (1) | GB2573029B (ja) |
Families Citing this family (8)
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KR102489043B1 (ko) * | 2017-12-27 | 2023-01-16 | 엘지디스플레이 주식회사 | 유기발광 표시장치 |
CN109065751A (zh) * | 2018-07-25 | 2018-12-21 | 武汉华星光电技术有限公司 | 显示模组及电子装置 |
CN109136833B (zh) * | 2018-08-29 | 2021-01-19 | 上海天马有机发光显示技术有限公司 | 显示面板、掩膜板、显示面板的制作方法及显示装置 |
KR20200080491A (ko) * | 2018-12-26 | 2020-07-07 | 삼성디스플레이 주식회사 | 유기발광 표시장치 및 유기발광 표시장치의 제조방법 |
KR20210028319A (ko) * | 2019-09-03 | 2021-03-12 | 삼성디스플레이 주식회사 | 표시장치 |
KR20210052651A (ko) * | 2019-10-29 | 2021-05-11 | 삼성디스플레이 주식회사 | 유기발광표시장치 |
KR20210086059A (ko) * | 2019-12-31 | 2021-07-08 | 엘지디스플레이 주식회사 | 표시 장치 및 그의 제조 방법 |
KR20220063774A (ko) * | 2020-11-09 | 2022-05-18 | 삼성디스플레이 주식회사 | 표시 장치 및 표시 장치의 제조 방법 |
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