JP7502326B2 - 画素定義層を有する有機発光ダイオードディスプレイ - Google Patents
画素定義層を有する有機発光ダイオードディスプレイ Download PDFInfo
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- JP7502326B2 JP7502326B2 JP2021557066A JP2021557066A JP7502326B2 JP 7502326 B2 JP7502326 B2 JP 7502326B2 JP 2021557066 A JP2021557066 A JP 2021557066A JP 2021557066 A JP2021557066 A JP 2021557066A JP 7502326 B2 JP7502326 B2 JP 7502326B2
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 30
- 239000000758 substrate Substances 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 25
- 235000012239 silicon dioxide Nutrition 0.000 claims description 15
- 239000000377 silicon dioxide Substances 0.000 claims description 15
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 12
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 12
- 238000002347 injection Methods 0.000 description 11
- 239000007924 injection Substances 0.000 description 11
- 239000003990 capacitor Substances 0.000 description 9
- 238000003860 storage Methods 0.000 description 9
- 239000011521 glass Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005525 hole transport Effects 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- 238000000151 deposition Methods 0.000 description 4
- 239000011368 organic material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 239000000872 buffer Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- 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]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
- H10K50/125—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light
- H10K50/13—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit
- H10K50/131—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit with spacer layers between the electroluminescent 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]
- H10K50/19—Tandem OLEDs
-
- 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
- H10K50/81—Anodes
-
- 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
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
(関連出願の相互参照)
本出願は、2020年1月16日に出願された米国特許出願第16/745,055号、及び2019年3月28日に出願された米国仮特許出願第62/825,694号に対する優先権を主張するものであり、それらの全体が参照により本明細書に組み込まれている。
Claims (8)
- ディスプレイであって、
基板と、
第1の有機発光ダイオード画素及び第2の有機発光ダイオード画素を含む画素のアレイであって、前記第1の有機発光ダイオード画素が、前記基板上に第1のパターン電極を含み、前記第2の有機発光ダイオード画素が、前記基板上に第2のパターン電極を含む、画素のアレイと、
前記第1のパターン電極と前記第2のパターン電極との間に介在する前記基板上の画素定義層と、
前記第1の有機発光ダイオード画素の一部を形成する第1の部分と、第2の部分とを有する、前記画素定義層の上に形成された第1の導電層であって、前記第2の部分が、前記画素定義層のエッジ内のアンダーカットによって少なくとも部分的に画定された間隙によって、前記第1の部分から電気的に分離されている、第1の導電層と、
前記第1の導電層の上に形成された第2の導電層であって、前記第2の導電層が、前記第1の導電層の前記第1の部分の上に形成された第3の部分を有し、前記第2の導電層が、前記第1の導電層の前記第2の部分の上に形成された第4の部分を有し、前記第2の導電層の前記第3の部分が、前記第1の有機発光ダイオード画素の一部を形成し、前記第2の導電層の前記第3の部分及び前記第4の部分が、電気的に接続されており、前記間隙によって中断されていない、第2の導電層と、を備え、
前記画素定義層が、第1の材料から形成される第1の部分と、前記第1の材料とは異なる第2の材料から形成される第2の部分と、前記画素定義層の前記第2の部分と前記第1のパターン電極との間に介在する第3の部分と、を有し、
前記画素定義層の前記第1の部分が、前記画素定義層の前記第2の部分のエッジを越えて延在して、前記画素定義層の前記エッジに前記アンダーカットを画定し、
前記アンダーカットが、前記画素定義層の前記第1の部分の下面と前記画素定義層の前記第3の部分の上面との間の距離である高さを有する、ディスプレイ。 - 前記第1の材料が二酸化ケイ素であり、前記第2の材料が窒化ケイ素である、請求項1に記載のディスプレイ。
- 前記アンダーカットが、前記画素定義層の前記第1の部分のエッジと前記画素定義層の前記第2の部分の前記エッジとの間の距離である幅を有する、請求項1に記載のディスプレイ。
- 前記画素定義層の前記第3の部分が、前記画素定義層の前記第1の部分のエッジを越えて延在する、請求項1に記載のディスプレイ。
- 前記画素定義層の前記第1の部分が二酸化ケイ素から形成され、前記画素定義層の前記第2の部分が窒化ケイ素から形成され、前記画素定義層の前記第3の部分が二酸化ケイ素から形成される、請求項4に記載のディスプレイ。
- 前記第1の導電層と前記画素定義層との間に形成された第3の導電層を更に備え、前記第3の導電層が、前記第1の有機発光ダイオード画素の一部を形成する第5の部分と、第6の部分とを有し、前記第3の導電層の前記第5の部分が、前記間隙によって前記第3の導電層の前記第6の部分から電気的に分離されている、請求項1に記載のディスプレイ。
- 前記第1の導電層が、前記第2の導電層よりも高い導電性を有する、請求項1に記載のディスプレイ。
- 前記第1の導電層が電荷生成層を備える、請求項1に記載のディスプレイ。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962825694P | 2019-03-28 | 2019-03-28 | |
US62/825,694 | 2019-03-28 | ||
US16/745,055 US11145700B2 (en) | 2019-03-28 | 2020-01-16 | Organic light-emitting diode display with pixel definition layers |
US16/745,055 | 2020-01-16 | ||
PCT/US2020/014426 WO2020197616A1 (en) | 2019-03-28 | 2020-01-21 | Organic light-emitting diode display with pixel definition layers |
Publications (2)
Publication Number | Publication Date |
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JP2022528228A JP2022528228A (ja) | 2022-06-09 |
JP7502326B2 true JP7502326B2 (ja) | 2024-06-18 |
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JP2021557066A Active JP7502326B2 (ja) | 2019-03-28 | 2020-01-21 | 画素定義層を有する有機発光ダイオードディスプレイ |
Country Status (6)
Country | Link |
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US (3) | US11145700B2 (ja) |
EP (1) | EP3928354A1 (ja) |
JP (1) | JP7502326B2 (ja) |
KR (1) | KR20210130781A (ja) |
CN (1) | CN113678258A (ja) |
WO (1) | WO2020197616A1 (ja) |
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CN118317625A (zh) | 2020-09-04 | 2024-07-09 | 应用材料公司 | 具有无机像素包封阻挡层的oled面板 |
KR20220087008A (ko) * | 2020-12-17 | 2022-06-24 | 엘지디스플레이 주식회사 | 표시 장치 |
CN115885594B (zh) * | 2021-01-28 | 2024-09-10 | 京东方科技集团股份有限公司 | 有机发光显示基板及其制作方法、显示装置 |
US20220344417A1 (en) * | 2021-04-23 | 2022-10-27 | Applied Materials, Inc. | Conductive oxide overhang structures for oled devices |
WO2023014897A1 (en) | 2021-08-04 | 2023-02-09 | Applied Materials, Inc. | Descending etching resistance in advanced substrate patterning |
CN116018896A (zh) * | 2021-08-19 | 2023-04-25 | 京东方科技集团股份有限公司 | 显示装置、显示面板及其制造方法 |
CN117296151A (zh) * | 2022-04-24 | 2023-12-26 | 京东方科技集团股份有限公司 | 显示基板及其制作方法、显示装置 |
US11882709B2 (en) * | 2022-05-12 | 2024-01-23 | Applied Materials, Inc. | High resolution advanced OLED sub-pixel circuit and patterning method |
US11527732B1 (en) | 2022-05-31 | 2022-12-13 | Applied Materials, Inc. | OLED anode structures including amorphous transparent conducting oxides and OLED processing method comprising the same |
KR20240077554A (ko) * | 2022-11-23 | 2024-06-03 | 삼성디스플레이 주식회사 | 표시 패널 및 이의 제조 방법 |
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- 2020-01-16 US US16/745,055 patent/US11145700B2/en active Active
- 2020-01-21 CN CN202080024252.1A patent/CN113678258A/zh active Pending
- 2020-01-21 EP EP20708276.9A patent/EP3928354A1/en active Pending
- 2020-01-21 JP JP2021557066A patent/JP7502326B2/ja active Active
- 2020-01-21 KR KR1020217030671A patent/KR20210130781A/ko not_active Application Discontinuation
- 2020-01-21 WO PCT/US2020/014426 patent/WO2020197616A1/en unknown
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2021
- 2021-09-15 US US17/475,756 patent/US11647650B2/en active Active
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Also Published As
Publication number | Publication date |
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CN113678258A (zh) | 2021-11-19 |
US20220005894A1 (en) | 2022-01-06 |
US11145700B2 (en) | 2021-10-12 |
KR20210130781A (ko) | 2021-11-01 |
US20200312930A1 (en) | 2020-10-01 |
WO2020197616A1 (en) | 2020-10-01 |
EP3928354A1 (en) | 2021-12-29 |
US11647650B2 (en) | 2023-05-09 |
US12108632B2 (en) | 2024-10-01 |
US20230240100A1 (en) | 2023-07-27 |
JP2022528228A (ja) | 2022-06-09 |
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