KR102503816B1 - 표시 장치 및 그 제조 방법 - Google Patents
표시 장치 및 그 제조 방법 Download PDFInfo
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- KR102503816B1 KR102503816B1 KR1020170155035A KR20170155035A KR102503816B1 KR 102503816 B1 KR102503816 B1 KR 102503816B1 KR 1020170155035 A KR1020170155035 A KR 1020170155035A KR 20170155035 A KR20170155035 A KR 20170155035A KR 102503816 B1 KR102503816 B1 KR 102503816B1
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- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/421—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs having a particular composition, shape or crystalline structure of the active layer
- H10D86/423—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs having a particular composition, shape or crystalline structure of the active layer comprising semiconductor materials not belonging to the Group IV, e.g. InGaZnO
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- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/451—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs characterised by the compositions or shapes of the interlayer dielectrics
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- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/60—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs wherein the TFTs are in active matrices
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- H10K50/865—Arrangements for improving contrast, e.g. preventing reflection of ambient light comprising light absorbing layers, e.g. light-blocking layers
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- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
- H10K59/1213—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being TFTs
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- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/124—Insulating layers formed between TFT elements and OLED elements
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- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
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- 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
- H10K59/8791—Arrangements for improving contrast, e.g. preventing reflection of ambient light
- H10K59/8792—Arrangements for improving contrast, e.g. preventing reflection of ambient light comprising light absorbing layers, e.g. black layers
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- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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- 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
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Abstract
Description
도 2 내지 도 5는 도 1의 표시 장치를 제조하는 방법을 도시한 단면도이다.
도 6은 다른 한 실시예에 따른 표시 장치의 단면도이다.
도 7 및 도 8은 도 6의 표시 장치를 제조하는 방법을 도시한 단면도이다.
도 9는 다른 한 실시예에 따른 표시 장치의 단면도이다.
도 10 내지 도 13은 도 9의 표시 장치를 제조하는 방법을 도시한 단면도이다.
도 14는 다른 한 실시예에 따른 표시 장치의 단면도이다.
도 15 내지 도 16은 도 14의 표시 장치를 제조하는 방법을 도시한 단면도이다.
120: 버퍼층
135: 반도체층
140: 게이트 절연막
160: 제1 층간 절연막
173: 소스 전극
175: 드레인 전극
180a: 제2 층간 절연막
180b: 캐핑층
190: 격벽
710: 화소 전극
720: 유기 발광층
730: 공통 전극
Claims (18)
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- 기판 위에 박막 트랜지스터를 형성하는 단계,
상기 박막 트랜지스터 위에 유기 물질을 포함하는 층간 절연막을 적층하는 단계,
상기 층간 절연막의 유기 물질을 베이킹하는 단계,
상기 유기 물질을 베이킹하는 단계 후에, 상기 층간 절연막 위에 무기 물질을 포함하는 캐핑층을 적층하는 단계,
상기 캐핑층 위에 위치에 따라 높이가 다른 제1 감광막 패턴을 형성하는 단계,
상기 제1 감광막 패턴을 마스크로 상기 캐핑층과 상기 층간 절연막을 제1 식각하는 단계,
상기 제1 감광막 패턴의 높이를 낮춰 제2 감광막 패턴을 형성하는 단계,
상기 제2 감광막 패턴을 마스크로 상기 캐핑층을 제2 식각하는 단계, 그리고
상기 캐핑층 위에 유기 발광 소자를 형성하는 단계를 포함하고,
상기 제1 식각 단계를 통해 상기 층간 절연막과 상기 캐핑층에 상기 박막 트랜지스터의 드레인 전극과 중첩하는 접촉 구멍을 형성하고,
상기 제2 식각 단계를 통해, 상기 캐핑층에 상기 유기 발광 소자와 중첩하지 않는 개구부를 형성하는 표시 장치의 제조 방법.
- 제14항에서,
상기 층간 절연막은 감광성을 가지지 않는 표시 장치의 제조 방법.
- 제15항에서,
상기 층간 절연막은 황(sulfur)을 포함하지 않는 표시 장치의 제조 방법.
- 제16항에서,
상기 층간 절연막은 검은색 안료나 염료를 포함하는 표시 장치의 제조 방법.
- 제14항에서,
상기 층간 절연막은 검은색 안료나 염료를 포함하는 표시 장치의 제조 방법.
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KR1020170155035A KR102503816B1 (ko) | 2017-11-20 | 2017-11-20 | 표시 장치 및 그 제조 방법 |
US16/171,486 US10811641B2 (en) | 2017-11-20 | 2018-10-26 | Display device and manufacturing method thereof |
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KR1020170155035A KR102503816B1 (ko) | 2017-11-20 | 2017-11-20 | 표시 장치 및 그 제조 방법 |
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KR20190058742A KR20190058742A (ko) | 2019-05-30 |
KR102503816B1 true KR102503816B1 (ko) | 2023-02-24 |
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CN111937159A (zh) * | 2018-03-28 | 2020-11-13 | 堺显示器制品株式会社 | 有机el显示装置及有机el显示装置的制造方法 |
US20200152918A1 (en) * | 2018-11-14 | 2020-05-14 | Int Tech Co., Ltd. | Light emitting device and manufacturing method thereof |
CN113161396B (zh) | 2021-03-19 | 2023-05-02 | 京东方科技集团股份有限公司 | 一种显示基板、其制作方法及显示装置 |
WO2024013806A1 (ja) * | 2022-07-11 | 2024-01-18 | シャープディスプレイテクノロジー株式会社 | 表示装置 |
Citations (2)
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US20040246432A1 (en) * | 2002-12-27 | 2004-12-09 | Kaoru Tsuchiya | Method of manufacturing a display device |
US20130168648A1 (en) * | 2011-12-30 | 2013-07-04 | Lg Display Co., Ltd. | Organic Light Emitting Display Device and Manufacturing Method Thereof |
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JP2001175198A (ja) * | 1999-12-14 | 2001-06-29 | Semiconductor Energy Lab Co Ltd | 半導体装置およびその作製方法 |
US6717181B2 (en) | 2001-02-22 | 2004-04-06 | Semiconductor Energy Laboratory Co., Ltd. | Luminescent device having thin film transistor |
US6852997B2 (en) | 2001-10-30 | 2005-02-08 | Semiconductor Energy Laboratory Co., Ltd. | Light emitting device |
US8058176B2 (en) | 2007-09-26 | 2011-11-15 | Samsung Electronics Co., Ltd. | Methods of patterning insulating layers using etching techniques that compensate for etch rate variations |
KR20120049512A (ko) | 2010-11-09 | 2012-05-17 | 엘지디스플레이 주식회사 | 발광 표시 소자의 제조 방법 |
KR101889748B1 (ko) * | 2011-01-10 | 2018-08-21 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 및 이의 제조 방법 |
KR101859479B1 (ko) | 2011-12-06 | 2018-05-18 | 엘지디스플레이 주식회사 | 유기 발광 표시 장치 및 이의 제조 방법 |
KR102485707B1 (ko) * | 2016-01-29 | 2023-01-09 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
KR102792403B1 (ko) * | 2017-01-12 | 2025-04-07 | 삼성디스플레이 주식회사 | 유기발광 표시장치 |
KR102014179B1 (ko) * | 2017-12-08 | 2019-08-26 | 엘지디스플레이 주식회사 | 유기발광 표시장치와 그의 제조방법 |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040246432A1 (en) * | 2002-12-27 | 2004-12-09 | Kaoru Tsuchiya | Method of manufacturing a display device |
US20130168648A1 (en) * | 2011-12-30 | 2013-07-04 | Lg Display Co., Ltd. | Organic Light Emitting Display Device and Manufacturing Method Thereof |
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Publication number | Publication date |
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US20190157628A1 (en) | 2019-05-23 |
KR20190058742A (ko) | 2019-05-30 |
US10811641B2 (en) | 2020-10-20 |
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