KR100895724B1 - 반사형 액정표시장치의 조명장치 - Google Patents
반사형 액정표시장치의 조명장치 Download PDFInfo
- Publication number
- KR100895724B1 KR100895724B1 KR1020020063856A KR20020063856A KR100895724B1 KR 100895724 B1 KR100895724 B1 KR 100895724B1 KR 1020020063856 A KR1020020063856 A KR 1020020063856A KR 20020063856 A KR20020063856 A KR 20020063856A KR 100895724 B1 KR100895724 B1 KR 100895724B1
- Authority
- KR
- South Korea
- Prior art keywords
- guide plate
- light
- liquid crystal
- light guide
- mirror
- Prior art date
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Classifications
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- G—PHYSICS
- G02—OPTICS
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- 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
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/003—Lens or lenticular sheet or layer
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- 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
- G02B6/0033—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
- G02B6/0055—Reflecting element, sheet or layer
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- G—PHYSICS
- G02—OPTICS
- 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
- G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
-
- G—PHYSICS
- G02—OPTICS
- 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
- G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
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- G—PHYSICS
- G02—OPTICS
- 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
- G02F1/133553—Reflecting elements
-
- G—PHYSICS
- G02—OPTICS
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/34—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 reflector
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (5)
- 삭제
- 액정 패널의 하측에 배치되어 후면 주변광을 집광하고 집광된 후면 주변광을 어느 한 방향으로 진행시키는 집광판과, 상기 집광판의 일측면에 배치되어 상기 집광판으로부터 출사된 후면 주변광을 상 방향으로 진행시키는 제1거울 도광판과, 상기 제1거울 도광판의 상부에 배치되어 상기 제1거울 도광판에 의해 반사된 후면 주변광을 액정 패널의 상부측 방향으로 진행시키는 제2거울 도광판 및, 상기 제2거울 도광판의 측면인 액정 패널의 상부에 배치되어 상기 제2거울 도광판으로부터 나온 후면 주변광을 상기 액정 패널의 전면에 조사하는 프리즘 도광판을 포함하는 반사형 액정표시장치의 조명장치에 있어서,상기 집광판은 마이크로렌즈시트와; 상기 마이크로렌즈시트 상에 형성되며 표면에 거울면 코팅이 이루어진 수 개의 우물을 가지면서 인접 우물 경계부에 광 투과홀을 갖는 레진층; 및 상기 레진층을 포함한 마이크로렌즈시트 상부에 배치되어 상기 광 투과홀을 통과한 후면 주변광을 상기 제1거울 도광판으로 진행시키며, 상기 광 투과홀 연직 상의 내측 표면에 배치되면서 표면에 거울면 코팅이 이루어진 수 개의 삼각 요철을 구비한 도광판을 포함하는 것을 특징으로 하는 반사형 액정표시장치의 조명장치.
- 제 2 항에 있어서, 상기 광 투과홀을 통과한 후면 주변광의 상기 도광판으로의 입사는 상기 거울면 코팅이 된 삼각 요철들 사이 영역으로 이루어지는 것을 특징으로 하는 반사형 액정표시장치의 조명장치.
- 제 2 항에 있어서, 상기 제1거울 도광판과 제2거울 도광판은 일체형으로 이루어진 것을 특징으로 하는 반사형 액정표시장치의 조명장치.
- 제 2 항에 있어서, 상기 제1거울 도광판이 배치되지 않은 상기 집광판의 타측면에 배치된 램프 및 상기 램프를 둘러싸는 램프반사판을 더 포함하는 것을 특징으로 하는 반사형 액정표시장치의 조명장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020020063856A KR100895724B1 (ko) | 2002-10-18 | 2002-10-18 | 반사형 액정표시장치의 조명장치 |
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KR1020020063856A KR100895724B1 (ko) | 2002-10-18 | 2002-10-18 | 반사형 액정표시장치의 조명장치 |
Publications (2)
Publication Number | Publication Date |
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KR20040035118A KR20040035118A (ko) | 2004-04-29 |
KR100895724B1 true KR100895724B1 (ko) | 2009-04-30 |
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KR1020020063856A KR100895724B1 (ko) | 2002-10-18 | 2002-10-18 | 반사형 액정표시장치의 조명장치 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100465619B1 (ko) * | 2002-12-11 | 2005-01-13 | 주식회사 아탐스 | 고효율 초박형 백라이트 |
KR100906511B1 (ko) * | 2002-12-31 | 2009-07-07 | 하이디스 테크놀로지 주식회사 | 반사형 액정표시장치 |
KR100739788B1 (ko) | 2006-01-25 | 2007-07-13 | 삼성전자주식회사 | 외부광을 이용한 디스플레이 장치 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000035575A (ja) * | 1998-07-17 | 2000-02-02 | Kawaguchiko Seimitsu Kk | 光透過金属板とそれを用いた表示装置 |
JP2000258766A (ja) * | 1999-03-04 | 2000-09-22 | Sanyo Electric Co Ltd | 採光型液晶表示装置 |
KR20000071859A (ko) * | 1999-04-30 | 2000-11-25 | 모리시타 요이찌 | 조명장치 및 액정 표시장치 |
JP2001035221A (ja) * | 1999-07-21 | 2001-02-09 | Nec Corp | 表示素子照明方法及び表示装置 |
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2002
- 2002-10-18 KR KR1020020063856A patent/KR100895724B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000035575A (ja) * | 1998-07-17 | 2000-02-02 | Kawaguchiko Seimitsu Kk | 光透過金属板とそれを用いた表示装置 |
JP2000258766A (ja) * | 1999-03-04 | 2000-09-22 | Sanyo Electric Co Ltd | 採光型液晶表示装置 |
KR20000071859A (ko) * | 1999-04-30 | 2000-11-25 | 모리시타 요이찌 | 조명장치 및 액정 표시장치 |
JP2001035221A (ja) * | 1999-07-21 | 2001-02-09 | Nec Corp | 表示素子照明方法及び表示装置 |
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KR20040035118A (ko) | 2004-04-29 |
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