KR101494450B1 - 액정 표시 장치 - Google Patents
액정 표시 장치 Download PDFInfo
- Publication number
- KR101494450B1 KR101494450B1 KR20080098682A KR20080098682A KR101494450B1 KR 101494450 B1 KR101494450 B1 KR 101494450B1 KR 20080098682 A KR20080098682 A KR 20080098682A KR 20080098682 A KR20080098682 A KR 20080098682A KR 101494450 B1 KR101494450 B1 KR 101494450B1
- Authority
- KR
- South Korea
- Prior art keywords
- height
- substrate
- prism pattern
- liquid crystal
- optical plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 6
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- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Images
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
- 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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- G02F1/1333—Constructional arrangements; Manufacturing methods
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- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
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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
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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
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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
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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
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- G02F1/1333—Constructional arrangements; Manufacturing methods
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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
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- G02F1/1333—Constructional arrangements; Manufacturing methods
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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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- G02F1/00—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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- G02F1/00—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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- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
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- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
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- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
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- G—PHYSICS
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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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- G02F1/1333—Constructional arrangements; Manufacturing methods
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- G—PHYSICS
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136222—Colour filters incorporated in the active matrix substrate
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
Claims (25)
- 광을 반사시키는 반사 시트;광을 가이드하는 기판 및 상기 반사 시트와 대향하지 않는 상기 기판의 일면에 형성된 높이 가변부, 및 상기 높이 가변부 상에 형성된 프리즘 패턴을 포함하는 광학 플레이트; 및상기 높이 가변부 중 상기 기판의 일면으로부터 상기 높이 가변부까지의 평균 높이 이하의 위치에 대응하도록 상기 광학 플레이트의 일측에 일 방향으로 배열되는 복수의 광원을 포함하되,상기 프리즘 패턴은 상기 일 방향과 수직인 타 방향으로 연장되고,상기 높이 가변부는 상기 기판의 일면에 주기적으로 형성된 곡면부이고,상기 곡면부는 상기 평균 높이보다 높은 복수의 볼록부, 및 상기 평균 높이보다 낮고 상기 볼록부와 교대로 배치된 복수의 오목부를 포함하는 액정 표시 장치.
- 제 1항에 있어서,상기 평균 높이는 상기 기판 두께의 0.1 내지 10%인 액정 표시 장치.
- 제 2항에 있어서,상기 프리즘 패턴은 상기 볼록부 또는 상기 오목부와 나란하게 상기 타 방향으로 연장되어 형성된 액정 표시 장치.
- 제 2항에 있어서,상기 곡면부 상에 배치된 액정 패널을 더 포함하고,상기 곡면부 및 상기 프리즘 패턴은 상기 기판과 동일한 물질을 이용하여 상기 기판과 일체로 형성된 액정 표시 장치.
- 제 2항에 있어서,상기 곡면부 상에 배치된 액정 패널을 더 포함하고,상기 곡면부 및 상기 프리즘 패턴은 상기 기판과 상이한 물질로 이루어지고 상기 기판 상에 배치되어 있는 액정 표시 장치.
- 제 5항에 있어서,상기 곡면부 및 상기 프리즘 패턴은 상기 기판 상에 배치된 필름으로 이루어진 액정 표시 장치.
- 광을 반사시키는 반사 시트;광을 가이드하는 기판 및 상기 반사 시트와 대향하지 않는 상기 기판의 일면에 형성된 높이 가변부, 및 상기 높이 가변부 상에 형성된 프리즘 패턴을 포함하는 광학 플레이트; 및상기 높이 가변부 중 상기 기판의 일면으로부터 상기 높이 가변부까지의 평균 높이 이하의 위치에 대응하도록 상기 광학 플레이트의 일측에 일 방향으로 배열되는 복수의 광원을 포함하되,상기 프리즘 패턴은 상기 일 방향과 수직인 타 방향으로 연장되고,상기 높이 가변부의 높이차는 상기 타 방향으로 갈수록 점점 낮아지는 액정 표시 장치.
- 제 2항에 있어서,상기 광원은 점광원이고,상기 복수의 점광원 간의 이격 거리는 상기 오목부의 이격 거리와 동일한 액정 표시 장치.
- 광을 반사시키는 반사 시트;광을 가이드하는 기판 및 상기 반사 시트와 대향하는 상기 기판의 일면에 일 방향으로 연장되어 나란히 배열된 복수의 프리즘 패턴을 포함하는 광학 플레이트; 및상기 광학 플레이트의 일측에 상기 일 방향으로 배열되는 복수의 광원을 포함하되,상기 각 프리즘 패턴은 높이 가변부를 포함하고,상기 복수의 광원은 각각 상기 높이 가변부 중 상기 프리즘 패턴 자체의 평균 높이 이하의 위치에 대응하도록 배열되는 액정 표시 장치.
- 제 9항에 있어서,상기 높이 가변부는, 상기 프리즘 패턴 자체의 평균 높이보다 높은 복수의 볼록 패턴 및 상기 프리즘 패턴 자체의 평균 높이보다 낮고 상기 볼록 패턴과 교대로 배치된 복수의 오목 패턴을 포함하는 액정 표시 장치.
- 제 10항에 있어서,상기 볼록 패턴에서의 상기 프리즘 패턴 자체의 최대 높이와 상기 프리즘 패턴 자체의 평균 높이의 높이차는 상기 프리즘 패턴 자체의 평균 높이의 0.1 내지 10%인 액정 표시 장치.
- 제 9항에 있어서,상기 기판의 상기 일면과 대향하는 상기 기판의 타면 상에 배치된 액정 패널을 더 포함하고,상기 프리즘 패턴은 상기 기판과 동일한 물질을 이용하여 상기 기판과 일체로 형성된 액정 표시 장치.
- 제 9항에 있어서,상기 기판의 상기 일면과 대향하는 상기 기판의 타면 상에 배치된 액정 패널을 더 포함하고,상기 프리즘 패턴은 상기 기판과 상이한 물질로 이루어지고 상기 기판의 일면 상에 배치되는 액정 표시 장치.
- 제 13항에 있어서,상기 프리즘 패턴은 상기 기판 상에 배치된 필름으로 이루어진 액정 표시 장 치.
- 제 9항에 있어서,상기 프리즘 패턴 자체의 높이는 상기 일 방향에 수직인 타 방향으로 갈수록 점점 낮아지는 액정 표시 장치.
- 제 10항에 있어서,상기 광원은 점광원이고, 상기 복수의 점광원간의 이격 거리는 상기 오목 패턴의 이격 거리와 동일한 액정 표시 장치.
- 광을 반사시키는 반사 시트;광을 가이드하는 기판, 상기 반사 시트와 대향하지 않는 상기 기판의 일면에 형성된 제1 높이 가변부, 및 상기 반사 시트와 대향하는 상기 기판의 타면에 일 방향으로 연장되어 나란히 배열된 복수의 제1 프리즘 패턴을 포함하는 광학 플레이트;상기 광학 플레이트의 일측에 상기 일 방향으로 배열되는 복수의 광원; 및상기 제1 높이 가변부 상에 상기 일 방향과 수직인 타 방향으로 연장되도록 배치된 제2 프리즘 패턴을 포함하되,상기 각 제1 프리즘 패턴은 제2 높이 가변부를 포함하고,상기 복수의 광원 중 각 광원은 상기 제1 높이 가변부 중 상기 기판의 일면으로부터 상기 제1 높이 가변부까지의 제1 평균 높이 이하의 위치 및 상기 제2 높이 가변부 중 상기 제1 프리즘 패턴 자체의 제2 평균 높이 이하의 위치에 대응하도록 배열되는 액정 표시 장치.
- 제 17항에 있어서,상기 제1 높이 가변부는 상기 기판의 일면에 주기적으로 형성된 곡면부이고,상기 제1 평균 높이보다 높은 복수의 볼록부, 및 상기 일면으로부터 상기 곡면부까지의 상기 평균 높이보다 낮고 상기 볼록부와 교대로 배치된 복수의 오목부를 포함하는 액정 표시 장치.
- 제 17항에 있어서,상기 제2 높이 가변부는, 상기 제2 평균 높이보다 높은 복수의 볼록 패턴 및 상기 제2 평균 높이보다 낮고 상기 볼록 패턴과 교대로 배치된 오목 패턴을 포함하는 액정 표시 장치.
- 제 17항에 있어서,상기 제1 프리즘 패턴의 높이는 상기 일 방향에 수직인 타 방향으로 갈수록 점점 낮아지는 액정 표시 장치.
- 제 18항에 있어서,상기 제2 프리즘 패턴은 상기 볼록부 또는 상기 오목부와 나란하게 상기 타 방향으로 연장되어 형성된 액정 표시 장치.
- 제 18항에 있어서,상기 볼록부 및 상기 오목부의 높이차는 상기 타 방향으로 갈수록 점점 낮아지는 액정 표시 장치.
- 제 17항에 있어서,상기 제1 높이 가변부 상에 배치된 액정 패널을 더 포함하고,상기 제1 높이 가변부와 상기 제2 프리즘 패턴, 및 상기 제1 프리즘 패턴 중 적어도 하나는 상기 기판과 동일한 물질을 이용하여 상기 기판과 일체로 형성된 액정 표시 장치.
- 제 17항에 있어서,상기 제1 높이 가변부 상에 배치된 액정 패널을 더 포함하고,상기 제1 높이 가변부와 상기 제2 프리즘 패턴, 및 상기 제1 프리즘 패턴 중 적어도 하나는 상기 기판과 상이한 물질로 이루어지고 상기 기판 상에 배치되어 있는 액정 표시 장치.
- 제 18항에 있어서,상기 제2 높이 가변부는, 상기 제2 평균 높이보다 높은 복수의 볼록 패턴 및 상기 제2 평균 높이보다 낮고 상기 볼록 패턴과 교대로 배치된 오목 패턴을 포함하고,상기 광원은 점광원이고,상기 복수의 점광원간의 이격 거리는 상기 오목 패턴 및 상기 오목부의 이격 거리와 동일한 액정 표시 장치.
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JP2009234220A JP5311665B2 (ja) | 2008-10-08 | 2009-10-08 | 液晶表示装置 |
US14/518,189 US9116382B2 (en) | 2008-10-08 | 2014-10-20 | Liquid crystal display device having uniform brightness |
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JP4307477B2 (ja) * | 2006-07-04 | 2009-08-05 | 三星モバイルディスプレイ株式會社 | 導光板およびバックライトユニット |
KR100784021B1 (ko) * | 2006-07-04 | 2007-12-10 | 삼성에스디아이 주식회사 | 액정 표시 장치의 백라이트 유니트 |
CN101680619B (zh) * | 2008-02-07 | 2013-03-06 | 索尼株式会社 | 导光板、面发光装置、液晶显示设备及导光板制造方法 |
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2008
- 2008-10-08 KR KR20080098682A patent/KR101494450B1/ko not_active Expired - Fee Related
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2009
- 2009-09-16 US US12/561,201 patent/US8896786B2/en active Active
- 2009-10-08 JP JP2009234220A patent/JP5311665B2/ja not_active Expired - Fee Related
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KR20010095035A (ko) * | 2000-03-31 | 2001-11-03 | 다니구찌 이찌로오, 기타오카 다카시 | 프론트 라이트 및 휴대 정보 단말 |
KR20050001371A (ko) * | 2003-06-26 | 2005-01-06 | 가부시키가이샤 도요다 지도숏키 | 도광판, 면광원장치 및 액정표시장치 |
KR20050044961A (ko) * | 2003-11-08 | 2005-05-16 | 삼성전자주식회사 | 도광판 및 이를 갖는 백라이트 어셈블리 |
US20080112185A1 (en) * | 2006-11-09 | 2008-05-15 | Samsung Electronics Co., Ltd. | Back light unit |
Also Published As
Publication number | Publication date |
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US9116382B2 (en) | 2015-08-25 |
KR20100039636A (ko) | 2010-04-16 |
JP2010092861A (ja) | 2010-04-22 |
JP5311665B2 (ja) | 2013-10-09 |
US20100085509A1 (en) | 2010-04-08 |
US8896786B2 (en) | 2014-11-25 |
US20150036078A1 (en) | 2015-02-05 |
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