KR960008384A - 액정표시에 사용하기 위한 배광장치 - Google Patents

액정표시에 사용하기 위한 배광장치 Download PDF

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Publication number
KR960008384A
KR960008384A KR1019950025825A KR19950025825A KR960008384A KR 960008384 A KR960008384 A KR 960008384A KR 1019950025825 A KR1019950025825 A KR 1019950025825A KR 19950025825 A KR19950025825 A KR 19950025825A KR 960008384 A KR960008384 A KR 960008384A
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KR
South Korea
Prior art keywords
light source
light
photoconductor
liquid crystal
distribution device
Prior art date
Application number
KR1019950025825A
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English (en)
Other versions
KR0182304B1 (ko
Inventor
따까까즈 야노
Original Assignee
가네코 히사시
닛본덴기 가부시키가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 가네코 히사시, 닛본덴기 가부시키가이샤 filed Critical 가네코 히사시
Publication of KR960008384A publication Critical patent/KR960008384A/ko
Application granted granted Critical
Publication of KR0182304B1 publication Critical patent/KR0182304B1/ko

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0081Mechanical 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
    • G02B6/0086Positioning aspects
    • G02B6/009Positioning aspects of the light source in the package
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0081Mechanical 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
    • G02B6/0086Positioning aspects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Liquid Crystal (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Abstract

액정 표시용 배광 장치는 광전도체(2), 광원(3), 반사판(5), 한쌍의 수지 블록(4)을 갖는다. 본체(1)는 반사판(5)을 유지하고 상기 광전도체를 고정하기 위해 상기 광전도체(2)의 배면에 위치한다. 본체(1)에서, 다수의 연속적인 차난부(9)는 반사판을 유지하는 일부에 제공된다. 사기 연속적인 차단부(9)는 상기 광원의 축에 수직이다. 이 구조로 인해 연속적인 차단부를 통해 반사판에 축적된 열을 발산할 수 있다.

Description

액정표시에 사용하기 위한 배광장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명에 따른 실시예의 배광 장치의 일련의 확대 사시도.
제3도는 제2도에 도시된 배광 장치의 조립후의 배면도.

Claims (3)

  1. 액정 표시용 배광 장치에 있어서, 다중 반사된 입사광이 면광원으로 사용되는 광선도체(2)와, 상기 광전도체(2)의 두 단부면의 적어도 한곳에 배치된 광원(3)과, 상기 광원을 덮고, 상기 광원으로부터 상기 광전도체(2) 안으로 빛을 반사하기 위해 배치된 반사판(5)과, 상기 광원(3)의 각 단부에 배치되고 반사판(5)에 대해 예정된 위치에 상기 광원을 고정하는 수지 블록(4)과, 상기 반사판을 유지하고 상기 광전도체를 고정하기 위해 상기 광전도체의 배면에 위치한 본체(1)와, 상기 반사판을 유지하는 일부분에서 상기 본체(1)에 제공된 다수의 연속적인 차단부(9)를 포함하는 것을 특징으로 하는 액정 표시용 배광 장치.
  2. 제1항에 있어서, 상기 연속적인 차단부는 상기 광원의 축에 수직인 것을 특징으로 하는 액정 표시용 배광장치.
  3. 제1항에 있어서, 상기 광원은 냉음극 방전광인 것을 특징으로 하는 액정 표시용 배광 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950025825A 1994-08-31 1995-08-22 액정표시에 사용하기 위한 배광장치 KR0182304B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6206458A JPH0868999A (ja) 1994-08-31 1994-08-31 液晶表示用バックライト装置
JP94-206458 1994-08-31

Publications (2)

Publication Number Publication Date
KR960008384A true KR960008384A (ko) 1996-03-22
KR0182304B1 KR0182304B1 (ko) 1999-05-01

Family

ID=16523718

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950025825A KR0182304B1 (ko) 1994-08-31 1995-08-22 액정표시에 사용하기 위한 배광장치

Country Status (4)

Country Link
US (1) US5677746A (ko)
JP (1) JPH0868999A (ko)
KR (1) KR0182304B1 (ko)
TW (1) TW438989B (ko)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3543910B2 (ja) * 1996-10-11 2004-07-21 株式会社エンプラス サイドライト型面光源装置及び表示装置
US5940153A (en) * 1998-04-03 1999-08-17 Motorola, Inc. Display assembly having LCD and seal captured between interlocking lens cover and lightpipe
US6737790B2 (en) * 1998-05-19 2004-05-18 Canon Kabushiki Kaisha Image forming apparatus having a heat insulating member
JP2000132113A (ja) 1998-10-28 2000-05-12 Alps Electric Co Ltd 導光板
US7009666B2 (en) * 1999-08-23 2006-03-07 Kent Displays Incorporated Back lit cholesteric liquid crystal display
US6532052B1 (en) 1999-08-23 2003-03-11 Kent Displays, Inc. Brightness enhancement for bistable cholesteric displays
KR100840718B1 (ko) * 2002-05-31 2008-06-23 삼성전자주식회사 백 라이트 어셈블리 및 이를 갖는 액정 표시 장치
KR100774579B1 (ko) * 2002-10-25 2007-11-09 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
TW594244B (en) * 2003-02-27 2004-06-21 Quanta Display Inc Back light module
CN1307477C (zh) * 2003-09-09 2007-03-28 友达光电股份有限公司 直下式背光组件
US7563015B2 (en) * 2007-02-16 2009-07-21 Tsai Tzung-Shiun Back light module
JP5504557B2 (ja) * 2007-09-21 2014-05-28 セイコーエプソン株式会社 電気光学装置及び電気光学装置用実装ケース、並びに電子機器
CN101737647A (zh) * 2009-12-11 2010-06-16 深圳四海合力科技有限公司 Led平面灯

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4287554A (en) * 1978-07-03 1981-09-01 Friedrich Wolff Radiation apparatus
US4600009A (en) * 1984-08-20 1986-07-15 Kramer Sharon D Tanning system
JPS6313202A (ja) * 1986-07-03 1988-01-20 キヤノン株式会社 光源装置
US5050055A (en) * 1989-08-28 1991-09-17 Uvp, Inc. Heat dissipating high intensity lamp housing
JPH03204618A (ja) * 1990-01-08 1991-09-06 Hitachi Ltd バックライト装置
JPH04120513A (ja) * 1990-09-12 1992-04-21 Toshiba Corp Lcdの照明構造
JPH052164A (ja) * 1991-01-28 1993-01-08 Toshiba Corp Lcdモジユール
JP2823427B2 (ja) * 1992-05-22 1998-11-11 アルプス電気株式会社 液晶表示装置
JP2846768B2 (ja) * 1992-07-14 1999-01-13 三洋電機株式会社 液晶表示装置
JPH06273765A (ja) * 1993-01-19 1994-09-30 Canon Inc バックライト装置及びそれを用いた液晶ディスプレイ装置
JPH07151920A (ja) * 1993-11-29 1995-06-16 Kyocera Corp 照明装置
US5479327A (en) * 1994-10-21 1995-12-26 Chen; Kuo L. Lighting fixture for aquariums

Also Published As

Publication number Publication date
TW438989B (en) 2001-06-07
KR0182304B1 (ko) 1999-05-01
US5677746A (en) 1997-10-14
JPH0868999A (ja) 1996-03-12

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