KR900003661A - 면발광 장치 - Google Patents

면발광 장치 Download PDF

Info

Publication number
KR900003661A
KR900003661A KR1019890006510A KR890006510A KR900003661A KR 900003661 A KR900003661 A KR 900003661A KR 1019890006510 A KR1019890006510 A KR 1019890006510A KR 890006510 A KR890006510 A KR 890006510A KR 900003661 A KR900003661 A KR 900003661A
Authority
KR
South Korea
Prior art keywords
plate
guide plate
emitting device
light
light guide
Prior art date
Application number
KR1019890006510A
Other languages
English (en)
Other versions
KR930004409B1 (ko
Inventor
유끼하루 사나이
유우 히라노
Original Assignee
시끼 모리야
미쯔비시 덴끼 가부시기가이샤
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.)
Filing date
Publication date
Application filed by 시끼 모리야, 미쯔비시 덴끼 가부시기가이샤 filed Critical 시끼 모리야
Publication of KR900003661A publication Critical patent/KR900003661A/ko
Application granted granted Critical
Publication of KR930004409B1 publication Critical patent/KR930004409B1/ko

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/28—Structurally-combined illuminating devices
    • 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
    • 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
    • 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
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G02B6/0073—Light emitting diode [LED]
    • 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
    • G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like
    • 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
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • G09F2013/1804—Achieving homogeneous illumination
    • G09F2013/1831—Achieving homogeneous illumination using more than one light source

Abstract

내용 없음

Description

면발광 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 1실시예에 의한 면발광 장치로서 제2도의 Ⅰ-Ⅰ선 단면도.
제2도는 제1도의 Ⅱ-Ⅱ선 측단면도.
제3도는 제1도의 요부확대 단면도.

Claims (1)

  1. 면발광 장치에 있어서, 휘도 분포에 강약이 있는 광원과, 이 광원의 휘도의 약한 부분에 단면을 가장 가깝게 배치하고, 광원으로부터 멀어짐을 따라 배면을 서서히 곡면상으로 경사시켜서 판후를 얇게한 도장판과, 도광판의 단면으로부터 입시한 광을 상기 도광판의 판면으로부터 난반사하도록 도광판 배면에 설치한 산란반사층과, 도광판에 설치되어 그 판면을 프린트 기판에 대하여 임의의 각도로 부착할 수 있는 리브를 구비한 것을 특징으로 하는 면발광 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890006510A 1988-08-06 1989-05-16 면발광 장치 KR930004409B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP196,889 1988-08-06
JP63196889A JPH0679120B2 (ja) 1988-08-06 1988-08-06 面発光装置
JP196889 1988-08-06

Publications (2)

Publication Number Publication Date
KR900003661A true KR900003661A (ko) 1990-03-26
KR930004409B1 KR930004409B1 (ko) 1993-05-27

Family

ID=16365335

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890006510A KR930004409B1 (ko) 1988-08-06 1989-05-16 면발광 장치

Country Status (3)

Country Link
US (1) US5029045A (ko)
JP (1) JPH0679120B2 (ko)
KR (1) KR930004409B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100696603B1 (ko) * 2006-07-05 2007-03-20 송인철 2차측 전원을 이용한 센서등을 겸한 순차적 자동 점소등제어장치

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW197499B (ko) * 1990-07-03 1993-01-01 Meitaku Syst Kk
US5166815A (en) * 1991-02-28 1992-11-24 Novatel Communications, Ltd. Liquid crystal display and reflective diffuser therefor including a reflection cavity section and an illumination cavity section
JP2578544Y2 (ja) * 1991-03-11 1998-08-13 株式会社ケンウッド 表示器の取付構造
CA2071381C (en) * 1991-07-19 1998-12-15 Youji Satou Electronic apparatus, card-type electronic component used with the electronic apparatus, and electronic system with expanding apparatus for expanding function of electronic apparatus
US5544007A (en) * 1991-07-19 1996-08-06 Kabushiiki Kaisha Toshiba Card-shaped electronic device used with an electronic apparatus and having shield plate with conductive portion on a lateral side
US5404271A (en) 1991-07-30 1995-04-04 Kabushiki Kaisha Toshiba Electronic apparatus having a card storing section formed within a body between a support frame and an upper case of the body and having functional elements mounted between the support frame and a lower case of the body
US5504648A (en) * 1991-09-06 1996-04-02 Kabushiki Kaisha Toshiba Electronic apparatus and electronic system with expanding apparatus having interlock, ejector, grounding, and lock mechanisms, for expanding function of electronic apparatus
US6002829A (en) 1992-03-23 1999-12-14 Minnesota Mining And Manufacturing Company Luminaire device
US5528720A (en) * 1992-03-23 1996-06-18 Minnesota Mining And Manufacturing Co. Tapered multilayer luminaire devices
JPH06130385A (ja) * 1992-10-16 1994-05-13 Mitsubishi Electric Corp 面発光装置
US5339178A (en) * 1993-03-19 1994-08-16 Motorola, Inc. LCD assembly with light pipe having lightguides extending from surface to surface and retaining means integral with the lightpipe
DE69427864T2 (de) * 1993-10-05 2002-07-04 Teledyne Lighting & Display Lichtquelle für hintergrundsbeleuchtung
US5440197A (en) * 1993-10-05 1995-08-08 Tir Technologies, Inc. Backlighting apparatus for uniformly illuminating a display panel
US6313892B2 (en) 1993-10-05 2001-11-06 Teledyne Lighting And Display Products, Inc. Light source utilizing reflective cavity having sloped side surfaces
JP3286138B2 (ja) * 1995-08-03 2002-05-27 日東電工株式会社 導光板、面光源装置、偏光光源装置及び液晶表示装置
US6473554B1 (en) 1996-12-12 2002-10-29 Teledyne Lighting And Display Products, Inc. Lighting apparatus having low profile
US6007209A (en) * 1997-03-19 1999-12-28 Teledyne Industries, Inc. Light source for backlighting
US6134092A (en) * 1998-04-08 2000-10-17 Teledyne Lighting And Display Products, Inc. Illumination device for non-emissive displays
JP2001075092A (ja) * 1999-08-20 2001-03-23 Internatl Business Mach Corp <Ibm> 液晶表示装置、バックライト用照明装置及びバックライト用照明装置の蛍光管
US6652128B2 (en) * 2001-01-31 2003-11-25 Textron Automotive Company, Inc. Backlighting method for an automotive trim panel
JP2002268061A (ja) * 2001-03-09 2002-09-18 Nitto Denko Corp 反射型液晶表示装置
US20040033854A1 (en) * 2002-08-16 2004-02-19 Daniel Wu Drive chain
TW547670U (en) * 2002-11-08 2003-08-11 Hon Hai Prec Ind Co Ltd Backlight system and its light guide plate
CN100426074C (zh) * 2004-02-27 2008-10-15 鸿富锦精密工业（深圳）有限公司 背光模组
JP2006155929A (ja) * 2004-11-25 2006-06-15 Toshiba Matsushita Display Technology Co Ltd 面光源装置及び液晶表示装置
US7828470B2 (en) * 2005-01-24 2010-11-09 Flextronics Automotive Inc. Electronic indicator with backlighting

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3040168A (en) * 1957-09-25 1962-06-19 Kollsman Instr Corp Instrument lighting device
US3349234A (en) * 1965-06-01 1967-10-24 Honeywell Inc Illuminating apparatus
US3729626A (en) * 1971-08-26 1973-04-24 Gen Electric Instrument lighting system with inward illumination of the display and outward illumination of nomenclature and index marks
US4487481A (en) * 1980-03-24 1984-12-11 Epson Corporation Backlighted liquid crystal display
JPS5768801A (en) * 1980-10-17 1982-04-27 Fuji Photo Optical Co Ltd Linear lighting equipment
JPS60140086A (ja) * 1983-12-27 1985-07-24 三菱重工業株式会社 流動層ガス化炉
JPS6155684A (ja) * 1984-08-27 1986-03-20 三菱レイヨン株式会社 光拡散装置
JPS61127506U (ko) * 1985-01-30 1986-08-11
US4630895A (en) * 1985-06-06 1986-12-23 Motorola, Inc. LCD lightguide
US4714983A (en) * 1985-06-10 1987-12-22 Motorola, Inc. Uniform emission backlight
JPS6269281A (ja) * 1985-09-20 1987-03-30 Toshiba Corp 画像形成装置
JPH01298601A (ja) * 1988-05-26 1989-12-01 Mitsubishi Electric Corp 面発光装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100696603B1 (ko) * 2006-07-05 2007-03-20 송인철 2차측 전원을 이용한 센서등을 겸한 순차적 자동 점소등제어장치

Also Published As

Publication number Publication date
US5029045A (en) 1991-07-02
JPH0246424A (ja) 1990-02-15
KR930004409B1 (ko) 1993-05-27
JPH0679120B2 (ja) 1994-10-05

Similar Documents

Publication Publication Date Title
KR900003661A (ko) 면발광 장치
KR970059782A (ko) 면 광원장치
TW373119B (en) Plane lighting device
KR920001296A (ko) 에지 (edge) 라이트 패널
KR970028720A (ko) 면광원용 패널
KR900014923A (ko) 광원장치
KR880010951A (ko) 자동차 마크 플레이트용 표시장치
KR910001527A (ko) 표시장치를 구비한 퍼스널컴퓨터
EP0802446A4 (ko)
KR940009582A (ko) 면 조명장치
AU2001227667A1 (en) Light guide illumination device appearing uniform in brightness along its length
TW200622326A (en) Bar-shaped light guide, illumination unit and image-scannig device
JPS6133079U (ja) 液晶デイスプレイの照明装置
TW200608113A (en) Light reflector and surface light source device using the same
KR910005089A (ko) 후방투사 스크린 및 그 스크린을 포함한 후방투사 시스템
KR900002229A (ko) 면 발광장치
KR940009727A (ko) 면 발광장치
DE3872240D1 (de) Vorrichtung, bestehend aus einer lichtleitplatte.
KR890015912A (ko) 발광문자를 포함하는 번호판
CA2216945A1 (en) Lighting device
DE69907436D1 (de) Kantenbeleuchtungssystem
KR910006907A (ko) 면광원(面光源)패널
NO20015590D0 (no) Lysinnretning for installasjon i en plan flate
KR900002028A (ko) 형광램프장치
WO2004031818A3 (en) Light source assembly and light-guide light suitable for an illuminated display

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19980519

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee