KR100400004B1 - 평면표시소자용 백라이트 - Google Patents
평면표시소자용 백라이트 Download PDFInfo
- Publication number
- KR100400004B1 KR100400004B1 KR10-2001-0023226A KR20010023226A KR100400004B1 KR 100400004 B1 KR100400004 B1 KR 100400004B1 KR 20010023226 A KR20010023226 A KR 20010023226A KR 100400004 B1 KR100400004 B1 KR 100400004B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- guide plate
- backlight
- light guide
- light source
- Prior art date
Links
Classifications
-
- 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
- G02B6/0051—Diffusing sheet or layer
-
- 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
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
-
- 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
-
- 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
- G02F1/133504—Diffusing, scattering, diffracting 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
- 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
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
Landscapes
- 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 (6)
- 도광판;상기 도광판의 측면에 구비된 제 1 광원; 및상기 도광판의 바닥의 전면에 구비되고 상기 제 1 광원으로부터 입사하는 광을 참조광으로 하여 광을 30도 이상의 출사각도로 방출시는 제 2 광원;을 포함하는 것을 특징으로 하는 평면표시소자용 백라이트.
- 제 1 항에 있어서,상기 제 2 광원은 홀로그램인 것을 특징으로 하는 평면표시소자용 백라이트.
- 삭제
- 제 1 항 또는 제 2 항에 있어서,상기 제 2 광원의 바닥에 반사판이 더 구비되는 것을 특징으로 하는 평면표시소자용 백라이트.
- 제 1 항에 있어서,상기 도광판의 앞면에서 방출된 광을 집광하는 프리즘판이 더 구비되는 것을 특징으로 하는 평면표시소자용 백라이트.
- 제 5 항에 있어서,상기 프리즘판의 앞면에 보호판이 더 구비되는 것을 특징으로 하는 평면표시소자용 백라이트.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0023226A KR100400004B1 (ko) | 2001-04-28 | 2001-04-28 | 평면표시소자용 백라이트 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0023226A KR100400004B1 (ko) | 2001-04-28 | 2001-04-28 | 평면표시소자용 백라이트 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020083681A KR20020083681A (ko) | 2002-11-04 |
KR100400004B1 true KR100400004B1 (ko) | 2003-09-29 |
Family
ID=27703011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0023226A KR100400004B1 (ko) | 2001-04-28 | 2001-04-28 | 평면표시소자용 백라이트 |
Country Status (1)
Country | Link |
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KR (1) | KR100400004B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4386749B2 (ja) * | 2004-02-16 | 2009-12-16 | シチズン電子株式会社 | 面状光源 |
CN102620211B (zh) * | 2012-04-05 | 2013-09-18 | 深圳市华星光电技术有限公司 | 背光模组及液晶显示器 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04303822A (ja) * | 1991-04-01 | 1992-10-27 | Yazaki Corp | 透過型表示素子用バックライト |
JPH10232315A (ja) * | 1997-02-20 | 1998-09-02 | Dainippon Printing Co Ltd | ホログラフィック光学部材 |
JPH11125817A (ja) * | 1997-10-23 | 1999-05-11 | Nec Corp | 透過型ディスプレイ装置用バックライト、および液晶ディスプレイ装置 |
JP2000162995A (ja) * | 1998-11-26 | 2000-06-16 | Dainippon Printing Co Ltd | 照明付きホログラム表示装置 |
KR20010008540A (ko) * | 1999-07-02 | 2001-02-05 | 양근창 | 평판조명장치 및 그에 사용되는 홀로그램층의 형성방법 |
-
2001
- 2001-04-28 KR KR10-2001-0023226A patent/KR100400004B1/ko not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04303822A (ja) * | 1991-04-01 | 1992-10-27 | Yazaki Corp | 透過型表示素子用バックライト |
JPH10232315A (ja) * | 1997-02-20 | 1998-09-02 | Dainippon Printing Co Ltd | ホログラフィック光学部材 |
JPH11125817A (ja) * | 1997-10-23 | 1999-05-11 | Nec Corp | 透過型ディスプレイ装置用バックライト、および液晶ディスプレイ装置 |
JP2000162995A (ja) * | 1998-11-26 | 2000-06-16 | Dainippon Printing Co Ltd | 照明付きホログラム表示装置 |
KR20010008540A (ko) * | 1999-07-02 | 2001-02-05 | 양근창 | 평판조명장치 및 그에 사용되는 홀로그램층의 형성방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20020083681A (ko) | 2002-11-04 |
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