KR102299630B1 - Tft 기판의 제조 방법 및 그 구조 - Google Patents
Tft 기판의 제조 방법 및 그 구조 Download PDFInfo
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Abstract
Description
도면에서,
도1은 종래의 유기물 평탄화층이 생략된 BPS형 TFT 기판의 평면도이다.
도2는 도1의 A-A에 대응하는 단면도이다.
도3은 종래의 유기물 평탄화층이 생략된 BPS형 TFT 기판의 화소 전극과 공통 전극 사이의 단락을 도시한 평면도이다.
도4는 종래의 유기물 평탄화층이 생략된 BPS형 TFT 기판이 전도성 필름 에칭 잔류물을 생성하기 쉽다는 것을 도시한 단면도이다.
도5는 본 발명의 TFT 기판의 제조 방법의 흐름도이다.
도6은 본 발명의 TFT 기판에서의 컬러 레지스트층, 제1 컬러 레지스트 블록 및 제2 컬러 레지스트 블록을 도시한 평면도이다.
도7은 도6에 도시된 B-B에서의 본 발명의 TFT 기판의 단면도이다.
도8은 본 발명의 TFT 기판이 전도성 필름 에칭 잔류물의 생성을 피할 수 있음을 도시한 단면도이다.
Claims (11)
- TFT 기판의 제조 방법에 있어서,
어레이로 배열된 TFT가 제조되는 베이스 기판을 제공한 후, 모든 TFT를 덮는 제1 패시베이션층을 증착하는, 단계(S1);
상기 제1 패시베이션층 상에 컬러 레지스트를 증착하고 패터닝 처리를 진행하여, 컬러 레지스트층, 제1 컬러 레지스트 블록 및 제2 컬러 레지스트 블록을 형성하고, 제1 컬러 레지스트 블록의 높이는 제2 컬러 레지스트 블록의 높이보다 큰, 단계(S2);
상기 제1 패시베이션층, 컬러 레지스트층, 제1 컬러 레지스트 블록 및 제2 컬러 레지스트 블록 상에 제2 패시베이션층을 증착하여 덮는, 단계(S3);
상기 제2 패시베이션층 상에 블랙 포토 레지스트를 증착하여 덮고 패터닝 처리하여, 일체형 메인 포토 레지스트 스페이서, 서브 포토 레지스트 스페이서와 블랙 매트릭스 및 상기 블랙 매트릭스, 제2 패시베이션층 및 제1 패시베이션층을 관통하는 비아 홀을 형성하고; 그중, 상기 메인 포토 레지스트 스페이서는 제1 컬러 레지스트 블록 윗쪽에 대응하여 위치하고, 상기 서브 포토 레지스트 스페이서는 제2 컬러 레지스트 블록 윗쪽에 대응하여 위치하고; 상기 비아 홀은 TFT의 드레인에 의해 완전히 차단되는, 단계(S4);
상기 일체형 메인 포토 레지스트 스페이서, 서브 포토 레지스트 스페이서 및 블랙 매트릭스 상에 투명 전도성 필름이 증착되고 패터닝 처리되어, 픽셀 전극 및 공통 전극을 형성하고, 상기 픽셀 전극은 상기 비아 홀을 통해 TFT의 드레인과 연결되는, 단계(S5);
를 포함하는 것인, TFT 기판의 제조 방법.
- 제1항에 있어서,
그중, 상기 단계(S2)는 슬릿 회절형 마스크를 사용하여 컬러 레지스트를 패터닝 처리하는 것인, TFT 기판의 제조 방법.
- 제1항에 있어서,
그중, 상기 단계(S2)에서 증착된 컬러 레지스트는 적색 레지스트, 녹색 레지스트 및 청색 레지스트를 포함하는 것인, TFT 기판의 제조 방법.
- 제1항에 있어서,
그중, 상기 투명 전도성 필름의 재료는 인듐 주석 산화물인 것인, TFT 기판의 제조 방법.
- 제1항에 있어서,
그중, 상기 제1 패시베이션층 및 제2 패시베이션층의 재료는 모두 질화규소, 산화 규소 또는 이들의 조합인 것인, TFT 기판의 제조 방법.
- 제1항에 있어서,
그중, 상기 제1 컬러 레지스트 블록 및 제2 컬러 레지스트 블록은 아일랜드 형상인 것인, TFT 기판의 제조 방법.
- TFT 기판에 있어서,
베이스 기판;
상기 베이스 기판 상에 배치된 어레이로 배열된 TFT;
모든 TFT를 덮는 제1 패시베이션층;
상기 제1 패시베이션층 상에 배치된 컬러 레지스트층, 제1 컬러 레지스트 블록 및 제2 컬러 레지스트 블록 - 그중, 제1 컬러 레지스트 블록의 높이는 제2 컬러 레지스트 블록의 높이보다 큼-;
상기 제1 패시베이션층, 컬러 레지스트층, 제1 컬러 레지스트 블록 및 제2 컬러 레지스트 블록을 덮는 제2 패시베이션층;
상기 제2 패시베이션층에 배치된 일체형 메인 포토 레지스트 스페이서, 서브 포토 레지스트 스페이서 및 블랙 매트릭스 - 그중, 상기 메인 포토 레지스트 스페이서는 제1 컬러 레지스트 블록 윗쪽에 대응하여 위치하고, 상기 서브 포토 레지스트 스페이서는 제2 컬러 레지스트 블록 윗쪽에 대응하여 위치함-; 및
상기 블랙 매트릭스 상에 배치된 픽셀 전극 및 공통 전극 - 상기 픽셀 전극은 상기 블랙 매트릭스, 제2 패시베이션층 및 제1 패시베이션층을 관통한 비아 홀을 통해 TFT의 드레인과 연결됨-;
을 포함하고,
상기 비아 홀은 TFT의 드레인에 의해 완전히 차단되는 것인, TFT 기판.
- 제7항에 있어서,
그중, 상기 컬러 레지스트 층은 적색 레지스트, 녹색 레지스트 및 청색 레지스트를 포함하고; 상기 제1 컬러 레지스트 블록 및 제2 컬러 레지스트 블록은 아일랜드 형상인 것인, TFT 기판.
- 제7항에 있어서,
그중, 상기 픽셀 전극 및 공통 전극의 재료는 인듐 주석 산화물인 것인, TFT 기판.
- 제7항에 있어서,
그중, 상기 제1 패시베이션층 및 제2 패시베이션층의 재료는 모두 질화규소, 산화 규소 또는 이들의 조합인 것인, TFT 기판.
- TFT 기판의 제조 방법에 있어서,
어레이로 배열된 TFT가 제조되는 베이스 기판을 제공한 후, 모든 TFT를 덮는 제1 패시베이션층을 증착하는, 단계(S1);
상기 제1 패시베이션층 상에 컬러 레지스트를 증착하고 패터닝 처리를 진행하여, 컬러 레지스트층, 제1 컬러 레지스트 블록 및 제2 컬러 레지스트 블록을 형성하고, 제1 컬러 레지스트 블록의 높이는 제2 컬러 레지스트 블록의 높이보다 큰, 단계(S2);
상기 제1 패시베이션층, 컬러 레지스트층, 제1 컬러 레지스트 블록 및 제2 컬러 레지스트 블록 상에 제2 패시베이션층을 증착하여 덮는, 단계(S3);
상기 제2 패시베이션층 상에 블랙 포토 레지스트를 증착하여 덮고 패터닝 처리하여, 일체형 메인 포토 레지스트 스페이서, 서브 포토 레지스트 스페이서와 블랙 매트릭스 및 상기 블랙 매트릭스, 제2 패시베이션층 및 제1 패시베이션층을 관통하는 비아 홀을 형성하고; 그중, 상기 메인 포토 레지스트 스페이서는 제1 컬러 레지스트 블록 윗쪽에 대응하여 위치하고, 상기 서브 포토 레지스트 스페이서는 제2 컬러 레지스트 블록 윗쪽에 대응하여 위치하고; 상기 비아 홀은 TFT의 드레인에 의해 완전히 차단되는, 단계(S4);
상기 일체형 메인 포토 레지스트 스페이서, 서브 포토 레지스트 스페이서 및 블랙 매트릭스 상에 투명 전도성 필름이 증착되고 패터닝 처리되어, 픽셀 전극 및 공통 전극을 형성하고, 상기 픽셀 전극은 상기 비아 홀을 통해 TFT의 드레인과 연결되는, 단계(S5);
를 포함하고,
그중, 상기 단계(S2)는 슬릿 회절형 마스크를 사용하여 컬러 레지스트를 패터닝 처리하고,
그중, 상기 단계(S2)에서 증착된 컬러 레지스트는 적색 레지스트, 녹색 레지스트 및 청색 레지스트를 포함하고,
그중, 상기 투명 전도성 필름의 재료는 인듐 주석 산화물이고,
그중, 상기 제1 패시베이션층 및 제2 패시베이션층의 재료는 모두 질화규소, 산화 규소 또는 이들의 조합이고,
그중, 상기 제1 컬러 레지스트 블록 및 제2 컬러 레지스트 블록은 아일랜드 형상인 것인, TFT 기판의 제조 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710901865.9A CN107591360B (zh) | 2017-09-28 | 2017-09-28 | Tft基板的制作方法及其结构 |
| CN201710901865.9 | 2017-09-28 | ||
| PCT/CN2017/111963 WO2019061751A1 (zh) | 2017-09-28 | 2017-11-20 | Tft基板的制作方法及其结构 |
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| KR20200055775A KR20200055775A (ko) | 2020-05-21 |
| KR102299630B1 true KR102299630B1 (ko) | 2021-09-08 |
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| US (1) | US10503034B2 (ko) |
| EP (1) | EP3690927B1 (ko) |
| JP (1) | JP2020533626A (ko) |
| KR (1) | KR102299630B1 (ko) |
| CN (1) | CN107591360B (ko) |
| PL (1) | PL3690927T3 (ko) |
| WO (1) | WO2019061751A1 (ko) |
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| CN106773351A (zh) * | 2016-12-29 | 2017-05-31 | 惠科股份有限公司 | 一种显示面板和显示装置 |
| CN108535909A (zh) * | 2018-04-17 | 2018-09-14 | 深圳市华星光电技术有限公司 | Bps型阵列基板的制作方法及bps型阵列基板 |
| CN109814314A (zh) * | 2018-12-25 | 2019-05-28 | 惠科股份有限公司 | 显示装置的阵列基板制作方法和显示装置 |
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| JP4771038B2 (ja) * | 2001-09-13 | 2011-09-14 | ゲットナー・ファンデーション・エルエルシー | 液晶表示装置 |
| KR100628272B1 (ko) * | 2004-06-30 | 2006-09-27 | 엘지.필립스 엘시디 주식회사 | Cot형 액정표시소자의 제조방법 |
| KR101335276B1 (ko) * | 2006-09-20 | 2013-11-29 | 삼성디스플레이 주식회사 | 어레이 기판, 이를 갖는 표시패널 및 그 제조 방법 |
| US8218111B2 (en) * | 2008-11-13 | 2012-07-10 | Samsung Electronics Co., Ltd. | Display device and method for manufacturing the same |
| CN105047550B (zh) * | 2015-07-27 | 2017-11-07 | 京东方科技集团股份有限公司 | 一种导电组件及其制备方法、基板、显示装置 |
| KR102441882B1 (ko) * | 2015-12-28 | 2022-09-08 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
| CN105655290B (zh) * | 2016-01-05 | 2018-11-23 | 深圳市华星光电技术有限公司 | 液晶显示面板、阵列基板及其制造方法 |
| KR102507144B1 (ko) * | 2016-01-06 | 2023-03-07 | 티씨엘 차이나 스타 옵토일렉트로닉스 테크놀로지 컴퍼니 리미티드 | 표시장치 및 그 제조방법 |
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| CN107491233B (zh) * | 2017-09-08 | 2020-04-28 | 京东方科技集团股份有限公司 | 一种彩膜基板、显示面板及显示装置 |
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- 2017-09-28 CN CN201710901865.9A patent/CN107591360B/zh not_active Expired - Fee Related
- 2017-11-20 KR KR1020207011836A patent/KR102299630B1/ko not_active Expired - Fee Related
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- 2017-11-20 WO PCT/CN2017/111963 patent/WO2019061751A1/zh not_active Ceased
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| PL3690927T3 (pl) | 2022-11-28 |
| WO2019061751A1 (zh) | 2019-04-04 |
| JP2020533626A (ja) | 2020-11-19 |
| EP3690927A1 (en) | 2020-08-05 |
| CN107591360B (zh) | 2019-03-12 |
| US20190219858A1 (en) | 2019-07-18 |
| CN107591360A (zh) | 2018-01-16 |
| US10503034B2 (en) | 2019-12-10 |
| KR20200055775A (ko) | 2020-05-21 |
| EP3690927A4 (en) | 2021-06-16 |
| EP3690927B1 (en) | 2022-08-03 |
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