KR20160114781A - 박막 트랜지스터 표시판 및 그 제조 방법 - Google Patents
박막 트랜지스터 표시판 및 그 제조 방법 Download PDFInfo
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- KR20160114781A KR20160114781A KR1020150040853A KR20150040853A KR20160114781A KR 20160114781 A KR20160114781 A KR 20160114781A KR 1020150040853 A KR1020150040853 A KR 1020150040853A KR 20150040853 A KR20150040853 A KR 20150040853A KR 20160114781 A KR20160114781 A KR 20160114781A
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- electrode
- voltage
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- transistor
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Images
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0286—Details of a shift registers arranged for use in a driving circuit
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- G—PHYSICS
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display
- G09G2320/0214—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display with crosstalk due to leakage current of pixel switch in active matrix panels
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Abstract
Description
도 2는 도 1의 실시 예에 따른 게이트 구동부 및 게이트 선을 구체화하여 도시한 블록도이다.
도 3은 도 2의 실시 예에 따른 게이트 구동부 중 하나의 스테이지를 확대하여 도시한 회로도이다.
도 4는 일 실시 예에 따른 스테이지에 포함되는 박막 트랜지스터의 단면도이다.
도 5 내지 도 8은 도 4의 실시 예에 따른 박막 트랜지스터의 제조 방법을 나타내는 공정 단면도이다.
도 9는 다른 실시 예에 따른 스테이지에 포함되는 박막 트랜지스터의 단면도이다.
도 10 및 도 11은 본 발명의 실시 예들에 따른 박막 트랜지스터의 제1 전극에 인가되는 전압에 따른 전류 값을 시간에 따라 도시한 그래프이고, 도 12는 본 발명의 일 실시 예에 따른 박막 트랜지스터의 제1 전극에 인가되는 전압에 따른 전류 값을 전압의 변화에 따라 도시한 그래프이다.
126: 전압 배선 131: 제1 전극
140: 게이트 절연막 154: 반도체 패턴
173: 소스 전극 175: 드레인 전극
180x: 제1 보호막 180y: 제2 보호막
186: 접촉 구멍 80: 유기 절연막
Claims (15)
- 기판;
상기 기판 위에 위치하는 제1 게이트 전극;
상기 기판상에 위치하는 전압 배선;
상기 제1 게이트 전극 및 상기 전압 배선 위에 위치하는 게이트 절연막;
상기 게이트 절연막 위에 위치하며, 산화물 반도체 물질로 이루어지는 반도체 패턴;
상기 반도체 패턴 위에 서로 이격되어 형성되는 소스 전극 및 드레인 전극;
상기 소스 전극 및 상기 드레인 전극 위에 위치하는 제1 보호막; 및
상기 제1 보호막 위에 위치하고, 상기 전압 배선과 연결되어 있는 제1 전극;
을 포함하는 박막 트랜지스터 표시판. - 제1 항에 있어서,
상기 제1 전극은 상기 제1 보호막의 상기 제1 게이트 전극과 중첩하는 영역에 형성되는 박막 트랜지스터 표시판. - 제2 항에 있어서,
상기 제1 전극은 상기 제1 게이트 전극, 상기 반도체 패턴, 상기 소스 전극 및 드레인 전극을 포함하는 박막 트랜지스터의 제2 게이트 전극을 포함하는 박막 트랜지스터 표시판. - 제3 항에 있어서,
상기 제1 전극 위에 위치하는 제2 보호막을 더 포함하는 박막 트랜지스터 표시판. - 제4 항에 있어서,
상기 제1 보호막과 상기 제2 보호막은 무기물을 포함하는 박막 트랜지스터 표시판. - 제5 항에 있어서,
상기 제1 보호막과 상기 제1 전극 사이에 위치하는 유기막을 더 포함하고,
상기 유기막은 상기 전극 배선에 대응하는 영역에는 위치하지 않는 박막 트랜지스터 표시판. - 제1 항에 있어서,
상기 전극 배선으로 음전압이 인가되는 박막 트랜지스터 표시판. - 기판 위에, 제1 게이트 전극 및 전압 배선을 형성하는 단계;
상기 제1 게이트 전극 및 상기 전압 배선 위에 게이트 절연막을 형성하는 단계;
상기 게이트 절연막 위에 산화물 반도체 물질로 반도체 패턴을 형성하는 단계;
상기 반도체 패턴 위에 소스 전극 및 드레인 전극을 서로 이격하여 형성하는 단계;
상기 소스 전극 및 상기 드레인 전극 위에 제1 보호막을 형성하는 단계; 및
상기 제1 보호막의 위에 상기 전압 배선과 연결되는 제1 전극을 형성하는 단계;
를 포함하는 박막 트랜지스터 표시판의 제조 방법. - 제8 항에 있어서,
상기 제1 전극을 형성하는 단계는,
상기 제1 전극을 상기 제1 보호막의 상기 제1 게이트 전극과 중첩하는 영역에 형성하는 단계를 포함하는 박막 트랜지스터 표시판의 제조 방법. - 제9 항에 있어서,
상기 제1 보호막과 상기 제1 전극 사이에 유기막을 형성하는 단계를 더 포함하는 박막 트랜지스터 표시판의 제조 방법. - 제10 항에 있어서,
상기 유기막을 형성하는 단계는,
상기 전압 배선에 대응하는 영역을 제외한 영역에 상기 유기막을 형성하는 단계를 포함하는 박막 트랜지스터 표시판의 제조 방법. - 제9 항에 있어서,
상기 제1 전극 위에 제2 보호막을 형성하는 단계를 더 포함하는 박막 트랜지스터 표시판의 제조 방법. - 제12 항에 있어서,
상기 제1 보호막과 상기 제2 보호막은 무기물을 포함하는 박막 트랜지스터 표시판의 제조 방법. - 제8 항에 있어서,
상기 게이트 절연막 및 상기 제1 보호막에 상기 전압 배선의 일부를 드러내는 접촉 구멍을 형성하는 단계를 더 포함하는 박막 트랜지스터 표시판의 제조 방법. - 제14 항에 있어서,
상기 제1 전극을 형성하는 단계는,
상기 접촉 구멍을 통해 상기 전압 배선과 접촉하도록 상기 제1 전극을 형성하는 단계를 포함하는 박막 트랜지스터 표시판의 제조 방법.
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US20200013805A1 (en) | 2020-01-09 |
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