KR100249679B1 - 액정표시장치의 백라이트유니트 - Google Patents
액정표시장치의 백라이트유니트 Download PDFInfo
- Publication number
- KR100249679B1 KR100249679B1 KR1019970013270A KR19970013270A KR100249679B1 KR 100249679 B1 KR100249679 B1 KR 100249679B1 KR 1019970013270 A KR1019970013270 A KR 1019970013270A KR 19970013270 A KR19970013270 A KR 19970013270A KR 100249679 B1 KR100249679 B1 KR 100249679B1
- Authority
- KR
- South Korea
- Prior art keywords
- guide plate
- light guide
- lamp
- liquid crystal
- lamp housing
- Prior art date
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 31
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052709 silver Inorganic materials 0.000 claims abstract description 30
- 239000004332 silver Substances 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000009826 distribution Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002950 deficient Effects 0.000 abstract 1
- 238000009792 diffusion process Methods 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
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
- G02B6/0013—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
- G02B6/0031—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
-
- 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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
-
- 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
- G02B6/0065—Manufacturing aspects; Material aspects
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)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (4)
- 도광판과;상기 도광판의 단면(端면)부에 고정된 램프와;상기 램프의 일부분을 U자형으로 에워싼 반사판과;상기 도광판의 배면에 설치된 고정틀을 포함하여 이루어지는 배광장치에 있어서,상기 반사판이 은(Ag)로 이루어진 것을 특징으로 하는 배광장치.
- 제1항에 있어서, 상기 고정틀이 프레스공정으로 형성된 것을 특징으로 하는 배광장치.
- 액정패널과;도광판과, 상기 도광판의 단면(端面)부에 고정된 램프와, 상기 램프의 일부분을 U자형으로 에워싼 반사판과, 상기 도광판의 배면에 설치된 고정틀을 포함하여 이루어지는 배광장치를 포함하여 구성된 액정표시장치에 있어서,상기 고정틀이 프레스공정으로 형성된 틀인 것을 특징으로 하는 액정표시장치.
- 제3항에 있어서, 상기 고정틀이 은(Ag)으로 형성된 것을 특징으로 하는 액정표시장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970013270A KR100249679B1 (ko) | 1997-04-10 | 1997-04-10 | 액정표시장치의 백라이트유니트 |
US09/036,793 US6064455A (en) | 1997-04-10 | 1998-03-09 | Back light unit, a liquid crystal display having a back light unit and a method of assembling a back light unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970013270A KR100249679B1 (ko) | 1997-04-10 | 1997-04-10 | 액정표시장치의 백라이트유니트 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980076535A KR19980076535A (ko) | 1998-11-16 |
KR100249679B1 true KR100249679B1 (ko) | 2000-03-15 |
Family
ID=19502458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970013270A KR100249679B1 (ko) | 1997-04-10 | 1997-04-10 | 액정표시장치의 백라이트유니트 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6064455A (ko) |
KR (1) | KR100249679B1 (ko) |
Families Citing this family (39)
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US6501641B1 (en) | 1998-10-23 | 2002-12-31 | Lg. Philips Lcd Co. Ltd. | Portable computer having a flat panel display device |
JP3331326B2 (ja) * | 1998-11-13 | 2002-10-07 | 株式会社東芝 | 面光源装置及びこれを用いた平面表示装置 |
JP3137240B2 (ja) * | 1998-12-08 | 2001-02-19 | 日本電気株式会社 | 液晶表示装置用バックライトユニット |
KR100301456B1 (ko) * | 1998-12-10 | 2001-10-29 | 구본준, 론 위라하디락사 | 컴퓨터용액정표시장치모듈 |
KR100294689B1 (ko) * | 1999-04-30 | 2001-07-12 | 구본준, 론 위라하디락사 | 액정표시장치 및 그 백라이트 |
JP3511591B2 (ja) * | 1999-07-05 | 2004-03-29 | 株式会社アドバンスト・ディスプレイ | 液晶表示装置 |
US6532052B1 (en) | 1999-08-23 | 2003-03-11 | Kent Displays, Inc. | Brightness enhancement for bistable cholesteric displays |
US7009666B2 (en) * | 1999-08-23 | 2006-03-07 | Kent Displays Incorporated | Back lit cholesteric liquid crystal display |
JP2001126523A (ja) * | 1999-10-26 | 2001-05-11 | Advanced Display Inc | 面状光源装置および該面状光源装置を用いる液晶表示装置 |
KR100696135B1 (ko) * | 1999-12-31 | 2007-03-20 | 엘지.필립스 엘시디 주식회사 | 배광장치 케이블의 단선을 방지하는 액정표시장치와 이를 적용한 컴퓨터 |
KR100473227B1 (ko) * | 2000-02-24 | 2005-03-07 | 엘지.필립스 엘시디 주식회사 | 액정표시장치의 배광장치의 반사시트의 주름 방지 구조 |
JP2002196312A (ja) | 2000-12-25 | 2002-07-12 | Hitachi Ltd | 液晶表示装置 |
JP2002244127A (ja) * | 2001-01-31 | 2002-08-28 | Internatl Business Mach Corp <Ibm> | 液晶表示装置、サイドライト型バックライト・ユニット、ランプ・リフレクタおよび反射部材 |
JP2002244128A (ja) * | 2001-02-13 | 2002-08-28 | Hitachi Ltd | 液晶表示装置 |
KR100765308B1 (ko) * | 2001-03-17 | 2007-10-09 | 삼성전자주식회사 | 액정 표시 장치 |
KR100805127B1 (ko) * | 2001-05-17 | 2008-02-21 | 삼성전자주식회사 | 램프 와이어 고정홈을 갖는 액정표시장치 |
JP3552044B2 (ja) * | 2001-08-02 | 2004-08-11 | ミネベア株式会社 | 面状照明装置 |
KR100840235B1 (ko) * | 2001-08-29 | 2008-06-20 | 삼성전자주식회사 | 액정 표시 장치 |
JP2003255309A (ja) * | 2002-03-04 | 2003-09-10 | Nec Lcd Technologies Ltd | 光学ユニット及びそれを用いた液晶表示装置 |
TWI312892B (ko) * | 2002-04-10 | 2009-08-01 | Au Optronics Corp | |
KR100429315B1 (ko) * | 2002-04-12 | 2004-04-29 | 주식회사 인지디스플레이 | 액정표시장치용 램프 리플렉터 제조방법 |
KR100878220B1 (ko) * | 2002-05-24 | 2009-01-13 | 삼성전자주식회사 | 액정표시장치 |
AU2002325526A1 (en) * | 2002-08-12 | 2004-03-03 | Matsushita Electric Industrial Co., Ltd. | Illumination unit and liquid crystal display device using the unit |
KR100947177B1 (ko) * | 2002-12-27 | 2010-03-12 | 엘지디스플레이 주식회사 | 액정표시장치 |
KR100939613B1 (ko) * | 2003-04-30 | 2010-02-01 | 엘지디스플레이 주식회사 | 백라이트 유닛이 개선된 액정표시장치 |
TWI275871B (en) * | 2003-07-30 | 2007-03-11 | Hon Hai Prec Ind Co Ltd | Backlight system |
JP2005070569A (ja) * | 2003-08-27 | 2005-03-17 | Nec Corp | 移動体通信機及びそれに用いるlcdモジュール実装方法 |
US20050200770A1 (en) * | 2004-03-10 | 2005-09-15 | Han-Ping Kuo | Flat panel display |
TWI283320B (en) * | 2004-04-13 | 2007-07-01 | Au Optronics Corp | Backlight module and fixation mechanism thereof |
USD564699S1 (en) * | 2005-06-27 | 2008-03-18 | Lecip Corporation | Low profile light source |
KR101320854B1 (ko) * | 2006-07-14 | 2013-10-22 | 삼성디스플레이 주식회사 | 액정표시장치 |
TWI342448B (en) * | 2006-10-16 | 2011-05-21 | Chimei Innolux Corp | Backlight module and liquid crystal display |
EP2397886A4 (en) * | 2009-02-10 | 2013-10-09 | Sharp Kk | LIQUID CRYSTAL DISPLAY DEVICE |
TWI467284B (zh) * | 2010-12-08 | 2015-01-01 | Au Optronics Corp | 背光模組 |
KR101299453B1 (ko) * | 2011-09-19 | 2013-08-22 | 삼성전자주식회사 | 디스플레이장치 |
US9239489B2 (en) * | 2012-07-31 | 2016-01-19 | Apple Inc. | Display backlight with closely spaced light-emitting diode packages |
US9036109B2 (en) * | 2012-08-20 | 2015-05-19 | Apple Inc. | Electronic device with thermally matched light guide plate |
US9400349B2 (en) * | 2012-11-09 | 2016-07-26 | Apple Inc. | Electronic device with display chassis structures |
KR102490010B1 (ko) * | 2016-05-02 | 2023-01-19 | 삼성디스플레이 주식회사 | 표시 장치 |
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JPH05196821A (ja) * | 1992-01-21 | 1993-08-06 | Ohtsu Tire & Rubber Co Ltd :The | 導光板ユニット |
JPH06174937A (ja) * | 1992-12-07 | 1994-06-24 | Casio Comput Co Ltd | バックライトユニットおよびそれを用いた表示装置 |
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-
1997
- 1997-04-10 KR KR1019970013270A patent/KR100249679B1/ko not_active IP Right Cessation
-
1998
- 1998-03-09 US US09/036,793 patent/US6064455A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH05196821A (ja) * | 1992-01-21 | 1993-08-06 | Ohtsu Tire & Rubber Co Ltd :The | 導光板ユニット |
JPH06174937A (ja) * | 1992-12-07 | 1994-06-24 | Casio Comput Co Ltd | バックライトユニットおよびそれを用いた表示装置 |
Also Published As
Publication number | Publication date |
---|---|
KR19980076535A (ko) | 1998-11-16 |
US6064455A (en) | 2000-05-16 |
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