KR102315816B1 - 액정 표시 장치 - Google Patents
액정 표시 장치 Download PDFInfo
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- KR102315816B1 KR102315816B1 KR1020150032646A KR20150032646A KR102315816B1 KR 102315816 B1 KR102315816 B1 KR 102315816B1 KR 1020150032646 A KR1020150032646 A KR 1020150032646A KR 20150032646 A KR20150032646 A KR 20150032646A KR 102315816 B1 KR102315816 B1 KR 102315816B1
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
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- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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- G02F1/134318—Electrodes characterised by their geometrical arrangement having a patterned common electrode
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
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Abstract
Description
도2는 본 발명의 일 실시예에 따른 액정 표시 장치의 어레이 기판을 개략적으로 설명하는 등가 회로도이다.
도3은 본 발명의 도1에 도시된 액정 표시 장치의 X 영역의 평면도이다.
도4는 도3에 도시된 액정 표시 장치의 X 영역에 대응되는 단면도이다.
도5는 본 발명의 다른 실시예에 따른 액정 표시 장치의 X 영역의 평면도이다.
도6은 도5에 도시된 액정 표시 장치의 X 영역에 대응되는 단면도이다.
도7은 본 발명의 또 다른 실시예에 따른 액정 표시 장치의 X 영역에 대응되는 단면도이다.
도8은 본 발명의 또 다른 실시예에 따른 액정 표시 장치의 X 영역에 대응되는 단면도이다.
102: 광원부
104: 액정 패널
106: 광원회로부
108: 광원
110: 반사판
112: 광학시트
114: 지지부
116: 도광판
118: 제1 편광필름
120: 제1 기판
122: 액정층
124: 제2 기판
126: 제2 편광필름
128: 실링 부재
130: 게이트 배선
132: 데이터 배선
134: 박막 트랜지스터
136: 화소 전극
138: 분리된 공통 전극
140: 패드부
142: 게이트 구동부
144: 데이터 구동부
146: 제1 공통 전극 배선
148: 연성 인쇄 회로 기판
150: 제1 배향막
152: 제2 배향막
154: 제1 절연층
156: 제1 평탄화층
158: 제2 절연층
160: 제2 평탄화층
162: 블랙 매트릭스
164: 컬러필터
166: 제3 평탄화층
168: 제3 절연층
510: 보조 공통 전극
746: 제2 공통 전극 배선
748: 제3 공통 전극 배선
846: 제4 공통 전극 배선
AA: 화소 영역
PA: 주변 영역
PXL: 서브-화소
Cs: 저장 커패시터
Claims (29)
- 제1 기판 상에 배치된 복수의 공통 전극 배선;
상기 복수의 공통 전극 상에 배치된 제1 평탄화층;
상기 제1 평탄화층 상에 배치된 복수의 데이터 배선;
상기 복수의 데이터 배선 상에 배치된 제2 평탄화층;
상기 제2 평탄화층 상에 배치된 복수의 분리된 공통 전극;
상기 분리된 공통 전극 상에 배치된 절연층; 및
상기 절연층 상에 배치된 화소 전극 및 보조 공통 전극을 포함하고,
상기 분리된 공통 전극들 사이에는 개구부가 구성되고,
상기 공통 전극 배선 및 상기 데이터 배선은 상기 개구부에서 서로 중첩되도록 배치되고,
상기 개구부와 인접한 서브-화소들 간의 색혼합을 저감시키도록, 상기 공통 전극 배선의 폭이 상기 데이터 배선의 폭보다 넓게 구성되고,
상기 보조 공통 전극은 상기 개구부에 배치되도록 구성된 것을 특징으로 하는, 표시 장치. - 제1 항에 있어서,
상기 공통 전극 배선의 폭은 상기 개구부의 폭보다 넓도록 구성된 것을 특징으로 하는, 표시 장치. - 삭제
- 제2 항에 있어서,
상기 공통 전극 배선의 일부는 상기 개구부와 인접한 상기 분리된 공통 전극 각각의 일부와 중첩되도록 배치된 것을 특징으로 하는, 표시 장치. - 삭제
- 제1 항에 있어서,
컬러필터 및 블랙 매트릭스가 배치된 제2 기판을 더 포함하고,
상기 블랙 매트릭스는 상기 개구부에서 상기 공통 전극 배선과 서로 중첩되도록 배치되고,
상기 블랙 매트릭스는 상기 공통 전극 배선의 폭보다 넓게 구성된 것을 특징으로 하는, 표시 장치. - 삭제
- 제1 항에 있어서,
상기 제1 평탄화층은 무기물로 이루어지고,
상기 제2 평탄화층은 유기물로 이루어지는 것을 특징으로 하는, 표시 장치. - 제8 항에 있어서,
상기 제1 평탄화층은 적어도 0.8㎛ 두께로 질화 규소(SiNx) 또는 산화 규소(SiOx)로 이루어지고,
상기 제2 평탄화층은 적어도 1㎛ 두께로 포토 아크릴(photo acryic) 또는 폴리 이미드(polyimid)로 이루어진 것을 특징으로 하는, 표시 장치. - 삭제
- 제1 항에 있어서,
상기 보조 공통 전극은 인접한 상기 분리된 하나의 공통 전극과 전기적으로 서로 연결되도록 구성된 것을 특징으로 하는, 표시 장치. - 제11 항에 있어서,
상기 보조 공통 전극의 폭은 상기 개구부의 폭보다 좁게 구성된 것을 특징으로 하는, 표시 장치. - 삭제
- 삭제
- 제1 항에 있어서,
상기 분리된 공통 전극은 셀프-커패시턴스(self-capacitance)의 변화를 감지하도록 구성된 것을 특징으로 하는, 표시 장치. - 제15 항에 있어서,
상기 복수의 공통 전극 배선은 상기 복수의 데이터 배선과 동일한 방향으로 연장되도록 구성된 것을 특징으로 하는, 표시 장치. - 제1 항에 있어서,
상기 복수의 공통 전극 배선 및 상기 복수의 데이터 배선은 주변 영역에 배치된 데이터 구동부에 연결된 것을 특징으로 하는, 표시 장치. - 제1 항에 있어서,
상기 공통 전극 배선은 가시광선 반사율이 서로 다른 금속층들이 적층된, 두 개 이상의 층으로 구성된 것을 특징으로 하는, 표시 장치. - 제18 항에 있어서,
상기 공통 전극 배선의 최하측에 배치된 금속층의 가시광선 반사율은 상기 공통 전극 배선의 최상측에 배치된 금속층의 가시광선 반사율보다 높은 것을 특징으로 하는, 표시 장치. - 제19 항에 있어서,
상기 공통 전극 배선의 최상측에 배치된 금속층은 탄소, 질소 또는 산소 중 적어도 하나의 원소를 포함하는 것을 특징으로 하는, 표시 장치. - 제20 항에 있어서,
상기 공통 전극 배선의 최상측에 배치된 금속층은 질화 구리(CuNx)로 이루어지며, 상기 공통 전극 배선의 최상측에 배치된 금속층의 두께는 적어도 250Å 이상인 것을 특징으로 하는, 표시 장치. - 제1 항에 있어서,
상기 공통 전극 배선의 최하측에 배치된 금속층의 폭은 상기 공통 전극 배선의 최상측에 배치된 금속층의 폭보다 넓은 것을 특징으로 하는, 표시 장치. - 제22 항에 있어서,
상기 공통 전극 배선의 최상측에 배치된 금속층의 폭은 상기 데이터 배선의 폭과 동일한 것을 특징으로 하는, 표시 장치. - 컬러필터 기판, 어레이 기판 및 상기 컬러필터 기판과 상기 어레이 기판 사이에 배치된 액정층을 포함하도록 구성된 액정패널;
상기 어레이 기판 상에 복수의 분리된 공통 전극들;
상기 컬러필터 기판의 서브-화소들을 구분하도록 구성된 블랙 매트릭스; 및
상기 어레이 기판 상에서 상기 복수의 분리된 공통 전극들 사이에 구성된 개구부와 중첩하여 배치되며, 상기 블랙 매트릭스에 의해 구분된 상기 서브-화소들간의 색혼합(color-washout)을 저감시키는 색혼합(color-washout) 저감층을 포함하고,
상기 색혼합(color-washout) 저감층은 상기 복수의 분리된 공통 전극들과 다른 층에 형성되고,
상기 색혼합(color-washout) 저감층은 컨택홀을 통하여 상기 복수의 분리된 공통 전극들에 전기적으로 연결되는 것을 특징으로 하는, 표시 장치. - 삭제
- 제24 항에 있어서,
상기 색혼합 저감층은 상기 분리된 공통 전극들을 제어하도록 구성된 것을 특징으로 하는, 표시 장치 - 삭제
- 삭제
- 제24 항에 있어서,
상기 색혼합 저감층의 단면은 테이퍼를 가지는 계단형상인 것을 특징으로 하는, 표시 장치.
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