KR20020057013A - 액정표시장치의 백라이트 유니트 - Google Patents
액정표시장치의 백라이트 유니트 Download PDFInfo
- Publication number
- KR20020057013A KR20020057013A KR1020000087244A KR20000087244A KR20020057013A KR 20020057013 A KR20020057013 A KR 20020057013A KR 1020000087244 A KR1020000087244 A KR 1020000087244A KR 20000087244 A KR20000087244 A KR 20000087244A KR 20020057013 A KR20020057013 A KR 20020057013A
- Authority
- KR
- South Korea
- Prior art keywords
- lamp
- light
- sheet
- light guide
- liquid crystal
- 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
- 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- 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
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/007—Incandescent lamp or gas discharge lamp
-
- 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)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (4)
- LCD 패널의 하부 일단에 구비되어 광원을 제공하는 램프와;상기 램프의 측면에 투광성 재질로 이루어진 도광판과;상기 도광판의 하부면에 구비되고, 상기 램프 측면에 도트 프린팅이 형성되는 반사시트와;상기 도광판의 상부면에 구비되어 상기 램프의 빛을 LCD 패널에 균일한 고휘도의 빛으로 제공하는 각종 시트류와;상기 램프의 삼면을 감싸면서 상기 도광판의 일단과 반사시트를 클램핑하는 램프 리플렉터와;상기 LCD 패널의 램프측 하부면에 부착되어 상기 시트류의 주름을 방지하는 시트주름 방지수단을 포함하는 액정표시장치의 백라이트 유니트.
- 제 1 항에 있어서,상기 시트주름 방지수단은 실리콘 고무인 액정표시장치의 백라이트 유니트.
- 제 1 항에 있어서,상기 시트주름 방지수단은 PET 테이프인 액정표시장치의 백라이트 유니트.
- 제 1 항에 있어서,상기 반사시트의 램프 타측과 상기 타측과 접하는 좌우 측에도 도트 프린팅이 형성되는 액정표시장치의 백라이트 유니트.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000087244A KR100675932B1 (ko) | 2000-12-30 | 2000-12-30 | 액정표시장치의 백라이트 유니트 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000087244A KR100675932B1 (ko) | 2000-12-30 | 2000-12-30 | 액정표시장치의 백라이트 유니트 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020057013A true KR20020057013A (ko) | 2002-07-11 |
KR100675932B1 KR100675932B1 (ko) | 2007-02-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000087244A KR100675932B1 (ko) | 2000-12-30 | 2000-12-30 | 액정표시장치의 백라이트 유니트 |
Country Status (1)
Country | Link |
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KR (1) | KR100675932B1 (ko) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100949486B1 (ko) * | 2002-12-24 | 2010-03-24 | 엘지디스플레이 주식회사 | 액정표시장치 |
KR20100063171A (ko) * | 2008-12-03 | 2010-06-11 | 엘지디스플레이 주식회사 | 액정표시장치 |
KR101320854B1 (ko) * | 2006-07-14 | 2013-10-22 | 삼성디스플레이 주식회사 | 액정표시장치 |
KR101536126B1 (ko) * | 2008-12-03 | 2015-07-13 | 엘지디스플레이 주식회사 | 액정표시장치 |
KR20170080143A (ko) * | 2015-12-31 | 2017-07-10 | 엘지디스플레이 주식회사 | 광원 모듈 및 이를 포함하는 백라이트 유닛과 액정 표시 장치 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100707007B1 (ko) * | 1999-06-30 | 2007-04-11 | 비오이 하이디스 테크놀로지 주식회사 | 백 라이트 유니트 |
-
2000
- 2000-12-30 KR KR1020000087244A patent/KR100675932B1/ko active IP Right Grant
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100949486B1 (ko) * | 2002-12-24 | 2010-03-24 | 엘지디스플레이 주식회사 | 액정표시장치 |
KR101320854B1 (ko) * | 2006-07-14 | 2013-10-22 | 삼성디스플레이 주식회사 | 액정표시장치 |
KR20100063171A (ko) * | 2008-12-03 | 2010-06-11 | 엘지디스플레이 주식회사 | 액정표시장치 |
KR101536126B1 (ko) * | 2008-12-03 | 2015-07-13 | 엘지디스플레이 주식회사 | 액정표시장치 |
KR20170080143A (ko) * | 2015-12-31 | 2017-07-10 | 엘지디스플레이 주식회사 | 광원 모듈 및 이를 포함하는 백라이트 유닛과 액정 표시 장치 |
Also Published As
Publication number | Publication date |
---|---|
KR100675932B1 (ko) | 2007-02-01 |
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