KR102461800B1 - 색 변환 기판 및 이를 포함하는 액정 표시 장치 - Google Patents
색 변환 기판 및 이를 포함하는 액정 표시 장치 Download PDFInfo
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- KR102461800B1 KR102461800B1 KR1020170159478A KR20170159478A KR102461800B1 KR 102461800 B1 KR102461800 B1 KR 102461800B1 KR 1020170159478 A KR1020170159478 A KR 1020170159478A KR 20170159478 A KR20170159478 A KR 20170159478A KR 102461800 B1 KR102461800 B1 KR 102461800B1
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Classifications
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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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- G02F1/13—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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- G02F1/00—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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- G02F1/13—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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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- G02F1/133723—Polyimide, polyamide-imide
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133746—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers for high pretilt angles, i.e. higher than 15 degrees
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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
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- G02F1/136222—Colour filters incorporated in the active matrix substrate
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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
도 2는 도 1의 액정 표시 장치의 임의의 화소들을 나타낸 단면도이다.
도 3은 도 2의 선형 패턴층의 사시도이다.
도 4는 본 발명의 다른 실시예에 따른 액정 표시 장치의 단면도이다.
도 5 내지 도 12는 본 발명의 또 다른 실시예들에 따른 액정 표시 장치를 나타낸 도면들이다.
도 13은 제조예에 따라 제조된 테스트 셀의 시야각 특성 그래프이다.
도 14는 비교예에 따라 제조된 테스트 셀의 시야각 특성 그래프이다.
120: 제2 베이스
501: 선형 패턴층
511: 선형 패턴
520: 제1 오버코팅층
610: 하부 편광 소자
621: 상부 편광 소자
810: 화소 전극
820: 공통 전극
Claims (20)
- 제1 방향으로의 투과축을 갖는 제1 편광 소자;
상기 제1 편광 소자 상에 배치되고, 상기 제1 방향과 교차하는 제2 방향으로의 투과축을 갖는 제2 편광 소자;
상기 제1 편광 소자와 상기 제2 편광 소자 사이에 배치된 액정층;
상기 액정층과 상기 제2 편광 소자 사이에 배치되는 선형 패턴층으로서, 상기 제2 방향으로 연장되고 상기 제1 방향으로 이격된 복수의 선형 패턴들을 포함하는 선형 패턴층;
제1 색을 표시하는 제1 화소; 및
상기 제1 색 보다 긴 피크 파장을 갖는 제2 색을 표시하는 제2 화소를 포함하고,
상기 복수의 선형 패턴은,
상기 제1 화소 내에 위치하는 제1 선형 패턴, 및
상기 제2 화소 내에 위치하는 제2 선형 패턴을 포함하며,
상기 제2 선형 패턴의 크기는 상기 제1 선형 패턴의 크기보다 큰 액정 표시 장치. - 제1항에 있어서,
광원 유닛을 더 포함하되,
상기 광원 유닛과 상기 제2 편광 소자는 상기 제1 편광 소자를 사이에 두고 이격 배치되는 액정 표시 장치. - 제2항에 있어서,
상기 광원으로부터 입사된 광의 색을 변환하는 색 변환 패턴을 더 포함하되,
상기 선형 패턴층과 상기 광원 유닛은 상기 색 변환 패턴을 사이에 두고 이격 배치되는 액정 표시 장치. - 제3항에 있어서,
상기 액정 표시 장치는,
제1 색을 표시하는 제1 화소, 및 상기 제1 색 보다 긴 피크 파장을 갖는 제2 색을 표시하며 상기 제1 화소의 상기 제1 방향 일측에 위치하는 제2 화소를 포함하는 액정 표시 장치. - 제4항에 있어서,
상기 제1 화소와 상기 제2 화소의 경계에 배치된 차광 부재를 더 포함하되,
상기 선형 패턴층과 상기 액정층은 상기 차광 부재를 사이에 두고 이격 배치되고,
상기 차광 부재는 부분적으로 상기 선형 패턴과 중첩하는 액정 표시 장치. - 제2항에 있어서,
상기 액정 표시 장치는 한 쌍의 장변과 한 쌍의 단변을 가지고,
상기 장변 방향은 상기 제1 방향과 평행하고,
상기 단변 방향은 상기 제2 방향과 평행한 액정 표시 장치. - 제6항에 있어서,
상기 광원 유닛으로부터 상기 선형 패턴층 측으로 입사된 광은 상기 제1 방향으로 확산되는 액정 표시 장치. - 제1항에 있어서,
상기 선형 패턴의 폭은 상기 제2 편광 소자 측으로부터 상기 액정층 측으로 갈수록 감소하는 액정 표시 장치. - 제8항에 있어서,
상기 선형 패턴의 최대 폭에 대한 상기 선형 패턴들 간의 이격 거리의 비는 0.5 이상 2.0 이하인 액정 표시 장치. - 제9항에 있어서,
상기 선형 패턴의 최대 폭에 대한 상기 선형 패턴의 높이의 비는 0.5 이상 1.5 이하인 액정 표시 장치. - 제9항에 있어서,
경사를 갖는 상기 선형 패턴의 측면이 이루는 경사각은 45도 이상인 액정 표시 장치. - 제1항에 있어서,
상기 액정층의 셀 갭에 대한 상기 선형 패턴의 최대 폭의 비는 0.5 이상 2.0 이하이고,
상기 액정층은 초기 배향 상태에서 수직 배향된 액정들을 포함하는 액정 표시 장치. - 제12항에 있어서,
상기 선형 패턴의 최대 폭은 상기 액정층의 셀 갭보다 큰 액정 표시 장치. - 제1항에 있어서,
상기 제1 편광 소자와 상기 액정층 사이에 배치된 화소 전극; 및
상기 제2 편광 소자와 상기 액정층 사이에 배치된 공통 전극을 더 포함하되,
상기 선형 패턴층은, 상기 복수의 선형 패턴들과 상기 공통 전극 사이에 배치되고 상기 복수의 선형 패턴들과 맞닿는 오버코팅층을 더 포함하고,
상기 선형 패턴의 굴절률과 상기 오버코팅층의 굴절률의 차이는 0.15 이상 0.5 미만인 액정 표시 장치. - 제1항에 있어서,
상기 제2 편광 소자는 상기 제1 방향으로 연장되고, 상기 제2 방향으로 이격된 복수의 와이어 패턴들을 포함하는 와이어 그리드 패턴층을 포함하고,
상기 제1 방향으로 인접한 상기 선형 패턴들 간의 이격 거리는,
상기 제2 방향으로 인접한 상기 와이어 패턴들 간의 이격 거리보다 큰 액정 표시 장치. - 제15항에 있어서,
광원 유닛; 및
상기 광원 유닛으로부터 입사된 광의 색을 변환하는 색 변환 패턴을 더 포함하되,
상기 광원 유닛과 상기 제2 편광 소자는 상기 제1 편광 소자를 사이에 두고 이격 배치되고,
상기 제2 편광 소자와 상기 선형 패턴층은 상기 색 변환 패턴을 사이에 두고 이격 배치되는 액정 표시 장치. - 삭제
- 제1항에 있어서,
상기 액정 표시 장치는, 상기 제1 방향을 따라 배열된 제1 화소 및 제3 화소를 포함하고,
상기 복수의 선형 패턴은,
상기 제1 화소 내에 위치하는 제1 선형 패턴으로서, 상기 제1 방향의 일측의 제1 측면 및 상기 제1 방향의 타측의 제2 측면을 포함하는 제1 선형 패턴, 및
상기 제3 화소 내에 위치하는 제2 선형 패턴으로서, 상기 제1 방향의 상기 일측의 제3 측면 및 상기 제1 방향의 상기 타측의 제4 측면을 포함하는 제2 선형 패턴을 포함하며,
상기 제1 측면의 경사각과 상기 제4 측면의 경사각은 동일하고,
상기 제2 측면의 경사각과 상기 제3 측면의 경사각은 동일한 액정 표시 장치. - 제1 방향으로의 투과축을 갖는 제1 편광 소자;
상기 제1 편광 소자 상에 배치되고, 상기 제1 방향과 교차하는 제2 방향으로의 투과축을 갖는 제2 편광 소자;
상기 제1 편광 소자와 상기 제2 편광 소자 사이에 배치된 액정층;
상기 액정층과 상기 제2 편광 소자 사이에 배치되는 선형 패턴층으로서, 상기 제2 방향으로 연장되고 상기 제1 방향으로 이격된 복수의 선형 패턴들을 포함하는 선형 패턴층; 및
상기 제1 방향을 따라 배열된 제1 화소 및 제4 화소를 포함하고,
상기 제1 화소는 상기 제4 화소에 비해 더 가장자리 측에 위치하고,
상기 복수의 선형 패턴은,
상기 제1 화소 내에 위치하는 제1 선형 패턴으로서, 상기 제1 방향의 일측의 제1 측면 및 상기 제1 방향의 타측의 제2 측면을 포함하는 제1 선형 패턴, 및
상기 제4 화소 내에 위치하는 제2 선형 패턴으로서, 상기 제1 방향의 상기 일측의 제3 측면 및 상기 제1 방향의 상기 타측의 제4 측면을 포함하는 제2 선형 패턴을 포함하며,
상기 제1 측면의 경사각은 상기 제3 측면의 경사각보다 작고,
상기 제2 측면의 경사각은 상기 제4 측면의 경사각보다 큰 액정 표시 장치. - 베이스;
상기 베이스 상에 배치되는 복수의 선형 패턴으로서, 제1 방향으로 이격되고 상기 제1 방향과 교차하는 제2 방향으로 연장된 복수의 선형 패턴;
상기 복수의 선형 패턴 상에 직접 배치된 유기층;
상기 유기층 상에 배치되는 차광 부재로서, 평면상 격자 형상인 차광 부재; 및
평면 상에서 상기 차광 부재 사이에 배치되는 색 변환 패턴층을 포함하고,
상기 복수의 선형 패턴은 제1 선형 패턴, 및 상기 제1 선형 패턴의 제1 방향에 배치되고 상기 제1 선형 패턴보다 큰 제2 선형 패턴을 포함하며,
상기 색 변환 패턴층은 상기 제1 선형 패턴과 중첩하는 제1 색 변환 패턴, 및 상기 제2 선형 패턴과 중첩하는 제2 색 변환 패턴을 포함하는 색 변환 기판.
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US16/001,762 US10705390B2 (en) | 2017-11-27 | 2018-06-06 | Color conversion substrate and liquid-crystal display device including the same |
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