KR20040061952A - 액정표시장치의 백라이트 유니트 - Google Patents
액정표시장치의 백라이트 유니트 Download PDFInfo
- Publication number
- KR20040061952A KR20040061952A KR1020020088261A KR20020088261A KR20040061952A KR 20040061952 A KR20040061952 A KR 20040061952A KR 1020020088261 A KR1020020088261 A KR 1020020088261A KR 20020088261 A KR20020088261 A KR 20020088261A KR 20040061952 A KR20040061952 A KR 20040061952A
- Authority
- KR
- South Korea
- Prior art keywords
- guide plate
- light guide
- light
- liquid crystal
- lamp
- Prior art date
Links
Classifications
-
- 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
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
-
- 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
- G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
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 (3)
- 상면에 광학 시트가 배치되고, 밑면에 소정의 수납공간이 형성된 도광판;상기 수납공간에 배치되는 광원;상기 도광판의 하면에 설치된 반사시트;상기 도광판의 측면에 설치된 반사시트;상기 광원의 직상위치의 상기 도광판 부분에 코팅처리된 반사막; 및상기 도광판의 입광면 모서리선 주위에 코팅처리된 반사막을 구비하는 것을 특징으로 하는 액정표시장치의 백라이트 유니트.
- 제 1항에 있어서, 상기 광원의 직상주위의 상기 도광판에 광전반사파괴 패턴이 형성된 것을 특징으로 하는 액정표시장치의 백라이트 유니트.
- 제 1항에 있어서, 상기 도광판에서의 내부 전반사조건각이 42도 이상인 것을 특징으로 하는 액정표시장치의 백라이트 유니트.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020088261A KR100933370B1 (ko) | 2002-12-31 | 2002-12-31 | 액정표시장치의 백라이트 유니트 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020088261A KR100933370B1 (ko) | 2002-12-31 | 2002-12-31 | 액정표시장치의 백라이트 유니트 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040061952A true KR20040061952A (ko) | 2004-07-07 |
KR100933370B1 KR100933370B1 (ko) | 2009-12-21 |
Family
ID=37353438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020088261A KR100933370B1 (ko) | 2002-12-31 | 2002-12-31 | 액정표시장치의 백라이트 유니트 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100933370B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100750360B1 (ko) * | 2005-12-09 | 2007-08-17 | 주식회사 우영 | Led 백라이트 유닛 |
KR100774061B1 (ko) * | 2005-05-17 | 2007-11-06 | 엔이씨 엘씨디 테크놀로지스, 엘티디. | 백라이트 및 액정 표시 장치 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10104620A (ja) * | 1996-09-30 | 1998-04-24 | Hitachi Ltd | 液晶表示装置 |
KR100670824B1 (ko) * | 1999-07-31 | 2007-01-18 | 삼성전자주식회사 | 액정표시장치의 백라이트 어셈블리 |
JP2002139731A (ja) * | 2000-10-31 | 2002-05-17 | Optrex Corp | 液晶表示パネルのバックライト |
DE10102585A1 (de) * | 2001-01-20 | 2002-07-25 | Philips Corp Intellectual Pty | Farbige Beleuchtungseinrichtung |
-
2002
- 2002-12-31 KR KR1020020088261A patent/KR100933370B1/ko active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100774061B1 (ko) * | 2005-05-17 | 2007-11-06 | 엔이씨 엘씨디 테크놀로지스, 엘티디. | 백라이트 및 액정 표시 장치 |
KR100750360B1 (ko) * | 2005-12-09 | 2007-08-17 | 주식회사 우영 | Led 백라이트 유닛 |
Also Published As
Publication number | Publication date |
---|---|
KR100933370B1 (ko) | 2009-12-21 |
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