KR20200040980A - 표시 장치 - Google Patents
표시 장치 Download PDFInfo
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- KR20200040980A KR20200040980A KR1020180120723A KR20180120723A KR20200040980A KR 20200040980 A KR20200040980 A KR 20200040980A KR 1020180120723 A KR1020180120723 A KR 1020180120723A KR 20180120723 A KR20180120723 A KR 20180120723A KR 20200040980 A KR20200040980 A KR 20200040980A
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- G02F1/1333—Constructional arrangements; Manufacturing methods
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- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3058—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state comprising electrically conductive elements, e.g. wire grids, conductive particles
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- G02B5/00—Optical elements other than lenses
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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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- G02F1/01—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
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- G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
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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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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- 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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- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
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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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Abstract
Description
도 2는 도 1의 표시 장치의 임의의 화소들의 레이아웃이다.
도 3은 도 2의 III-III' 선을 따라 절개한 상부 표시판의 단면도이다.
도 4는 도 3에 도시한 제1 서브 화소를 개략적으로 나타낸 도면이다.
도 5는 일 실시예에 따른 백라이트 유닛의 사시도이다.
도 6은 도 5의 VI-VI' 선을 따라 절개한 단면도이다.
도 7 및 도 8은 다른 실시예들에 따른 백라이트 유닛의 단면도들이다.
도 9는 또 다른 실시예에 따른 백라이트 유닛의 사시도이다.
도 10a 및 도 10b는 다양한 실시예들에 따른 저굴절층의 단면도들이다.
도 11은 일 실시예에 따른 표시 장치의 단면도이다.
도 12 내지 도 14는 다양한 실시예들에 따른 컬러 필터층의 단면도들이다.
도 15는 또 다른 실시예에 따른 컬러 필터층의 단면도이다.
도 16은 일 실시예에 따른 산란층의 단면도 및 일부 확대도이다.
도 17은 일 실시예에 따른 산란층의 광 산란체 농도에 따른 측면 시인성 향상 효과를 설명하기 위한 그래프이다.
도 18 내지 도 20은 다양한 실시예들에 따른 상부 표시판의 단면도들이다.
도 21은 또 다른 실시예에 따른 표시 장치의 단면도이다.
20: 백라이트 유닛 21: 인쇄 회로 기판
22: 발광 소자 23: 도광판
110: 컬러 필터층 120: 광 산란층
130: 평탄화 유기층 140: 평탄화 레진층
150: 제2 편광층 151: 선 격자 패턴
152: 저반사 금속층 LCL: 액정층
CE: 공통 전극 SPE: 서브 화소 전극
Claims (29)
- 제1 기판;
상기 제1 기판과 대향하는 제2 기판;
상기 제1 기판과 상기 제2 기판 사이에 배치되고, 제1 선 격자 패턴을 포함하는 제1 편광층;
상기 제1 편광층과 상기 제2 기판 사이에 배치된 광 산란층; 및
상기 광 산란층과 상기 제2 기판 사이에 배치된 컬러 필터층을 포함하는 표시 장치. - 제1 항에 있어서,
상기 광 산란층은 유기 물질을 포함하는 베이스층 및 상기 베이스층 내에 분산된 광 산란체를 포함하는 표시 장치. - 제2 항에 있어서,
상기 광 산란체는 TiO2 또는 SiO2를 포함하고, 상기 광 산란체는 상기 광 산란층 100 중량부에 대해 3 내지 11 중량부를 갖는 표시 장치. - 제3 항에 있어서,
상기 광 산란층의 두께는 1um 내지 6um이되, 바람직하게는 3um인 표시 장치. - 제2 항에 있어서,
상기 컬러 필터층은 복수개이고, 이웃하는 상기 컬러 필터층은 서로 이격되어 이격 공간을 형성하는 표시 장치. - 제5 항에 있어서,
상기 제2 기판 상에 배치되고, 상기 이격 공간에 중첩하도록 배치된 블랙 매트릭스를 더 포함하는 표시 장치. - 제6 항에 있어서,
상기 광 산란층은 이웃하는 상기 컬러 필터층 사이의 상기 이격 공간을 충진하는 표시 장치. - 제2 항에 있어서,
상기 컬러 필터층은 복수개이고, 이웃하는 상기 컬러 필터층은 서로 접촉하는 표시 장치. - 제8 항에 있어서,
상기 컬러 필터층과 상기 광 산란층 사이에 배치된 제1 보호층을 더 포함하되, 상기 제1 보호층의 일면은 상기 컬러 필터층과 접촉하고, 상기 제1 보호층의 타면은 상기 광 산란층과 접촉하는 표시 장치. - 제2 항에 있어서,
상기 컬러 필터층은 적색 컬러 필터층, 녹색 컬러 필터층 및 청색 컬러 필터층을 포함하는 표시 장치. - 제2 항에 있어서,
상기 컬러 필터층은 파장 변환 물질을 포함하는 표시 장치. - 제11 항에 있어서,
상기 광 산란층과 상기 제1 편광층 사이에 배치된 평탄화 유기층을 더 포함하는 표시 장치. - 제12 항에 있어서,
상기 평탄화 유기층과 상기 제1 편광층 사이에 배치된 평탄화 레진층을 더 포함하되, 상기 평탄화 유기층은 상기 평탄화 레진층보다 두꺼운 표시 장치. - 제1 항에 있어서,
상기 제1 선 격자 패턴은 알루미늄(Al), 은(Ag), 금(Au), 구리(Cu), 티타늄(Ti), 몰리브덴(Mo), 니켈(Ni) 또는 이들의 합금 중 적어도 하나를 포함하는 표시 장치. - 제14 항에 있어서,
상기 제1 편광층은 상기 제1 선 격자 패턴 상에 배치되는 저반사 금속층을 포함하는 표시 장치. - 제15 항에 있어서,
상기 저반사 금속층은 MoTaOx를 포함하고, 상기 저반사 금속층의 두께는 200Å 내지 400Å인 표시 장치. - 제1 항에 있어서,
상기 제1 기판과 상기 제2 기판 사이에 배치된 액정층을 포함하되, 상기 제1 편광층은 상기 액정층과 상기 제2 기판 사이에 위치하는 표시 장치. - 제17 항에 있어서,
제2 편광층을 더 포함하되, 상기 액정층은 상기 제1 편광층과 상기 제2 편광층 사이에 위치하는 표시 장치. - 제18 항에 있어서,
상기 제2 편광층은 상기 제1 기판과 상기 액정층 사이에 배치되고, 제2 선 격자 패턴을 포함하는 표시 장치. - 제18 항에 있어서,
상기 제1 기판 하부에 배치된 백라이트 유닛을 더 포함하되, 상기 제2 기판은 상기 제1 기판의 상부에 위치하는 표시 장치. - 제20 항에 있어서,
상기 백라이트 유닛은 도광판을 포함하고, 상기 도광판 상에 저굴절층이 접촉하여 배치되는 표시 장치. - 제21 항에 있어서,
상기 광 산란층은 상기 저굴절층과 동일한 물질을 포함하는 표시 장치. - 제1 기판;
상기 제1 기판과 대향하는 제2 기판;
상기 제1 기판과 상기 제2 기판 사이에 배치되고, 제1 선 격자 패턴을 포함하는 제1 편광층;
상기 제1 편광층과 상기 제2 기판 사이에 배치된 광 산란층; 및
상기 광 산란층과 상기 제1 편광층 사이에 배치된 컬러 필터층을 포함하는 표시 장치. - 제23 항에 있어서,
상기 제1 기판과 상기 제2 기판 사이에 배치된 액정층을 포함하되, 상기 제1 편광층은 상기 액정층과 상기 제2 기판 사이에 위치하고, 제2 편광층을 더 포함하되, 상기 액정층은 상기 제1 편광층과 상기 제2 편광층 사이에 위치하는 표시 장치. - 제24 항에 있어서,
상기 광 산란층은 유기 물질을 포함하는 베이스층 및 상기 베이스층 내에 분산된 광 산란체를 포함하고, 상기 광 산란체는 TiO2 또는 SiO2를 포함하고, 상기 광 산란체는 상기 광 산란층 100 중량부에 대해 3 내지 11 중량부를 갖는 표시 장치. - 제25 항에 있어서,
상기 제1 선 격자 패턴은 알루미늄(Al), 은(Ag), 금(Au), 구리(Cu), 티타늄(Ti), 몰리브덴(Mo), 니켈(Ni) 또는 이들의 합금 중 적어도 하나를 포함하고, 상기 제1 편광층은 상기 제1 선 격자 패턴 상에 배치되는 저반사 금속층을 포함하는 표시 장치. - 제1 기판;
상기 제1 기판과 대향하는 제2 기판;
상기 제1 기판과 상기 제2 기판 사이에 배치되고, 제1 선 격자 패턴을 포함하는 제1 편광층;
상기 제1 편광층과 상기 제2 기판 사이에 배치된 컬러 필터층을 포함하되,
상기 컬러 필터층은 광 산란체를 포함하는 표시 장치. - 제27 항에 있어서,
상기 광 산란체는 TiO2 또는 SiO2를 포함하고, 상기 광 산란체는 상기 컬러 필터층 100 중량부에 대해 3 내지 11 중량부를 갖는 표시 장치. - 제28 항에 있어서,
상기 제1 선 격자 패턴은 알루미늄(Al), 은(Ag), 금(Au), 구리(Cu), 티타늄(Ti), 몰리브덴(Mo), 니켈(Ni) 또는 이들의 합금 중 적어도 하나를 포함하고, 상기 제1 편광층은 상기 제1 선 격자 패턴 상에 배치되는 저반사 금속층을 포함하는 표시 장치.
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