KR940009727A - 면 발광장치 - Google Patents

면 발광장치 Download PDF

Info

Publication number
KR940009727A
KR940009727A KR1019930001605A KR930001605A KR940009727A KR 940009727 A KR940009727 A KR 940009727A KR 1019930001605 A KR1019930001605 A KR 1019930001605A KR 930001605 A KR930001605 A KR 930001605A KR 940009727 A KR940009727 A KR 940009727A
Authority
KR
South Korea
Prior art keywords
light source
light
emitting device
light emitting
transmission plate
Prior art date
Application number
KR1019930001605A
Other languages
English (en)
Inventor
마사히꼬 다다
Original Assignee
기다오까 다까시
미쯔비시 덴끼 가부시끼가이샤
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 기다오까 다까시, 미쯔비시 덴끼 가부시끼가이샤 filed Critical 기다오까 다까시
Publication of KR940009727A publication Critical patent/KR940009727A/ko

Links

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
    • G02B6/0033—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
    • 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
    • G02B6/0033—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
    • 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
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/14—Arrangements of reflectors therein
    • 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
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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
    • G02B6/0026—Wavelength selective element, sheet or layer, e.g. filter or grating
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F13/0422—Reflectors
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/14—Arrangements of reflectors therein
    • G09F2013/145—Arrangements of reflectors therein curved reflectors

Abstract

광원을 포위하는 원형단면을 갖추고서 광원의 휘도가 큰 방형으로 길이가 길면서 광원으로부터 멀리떨어짐에 따라 서서히 판 두께가 얇아지도록 배면을 경사지게한 광전달판을 설치하고, 반사프레임에 상기 광전달판의 광원부근을 둘러싸는 단면반사부와, 이 단면반사부에 연속하고 상기 광원으로부터 떨어진 위치에 상기 광전달판의 길이방형 및 두께방향으로 대략 45°각도로 경사진 경사반사부를 설치한 구성으로 되어, 반사광의 강도를 방사면의 전체 영역에서 균일하게 한다.

Description

면 발광장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 1실시예에 따른 면발광장치를 도시한 단면도이고,
제2도는 제1도의 Ⅱ - Ⅱ선을 따른 단면도,
제3도는 제1도에서 광원부근의 요부를 확대 도시한 단면도,
제4도는 제1도에서 반사프레임의 외형 형상을 도시한 사시도.

Claims (1)

  1. 휘도 분포에 강약이 있는 복수개의 광원과, 이 광원을 포위하는 원형 단면을 갖추고서 상기 광원의 휘도가 큰 방향으로 길이가 길면서, 광원으로부터 멀리 떨어짐에 따라 서서히 판 두께가 얇아지도록 배면을 경사지게한 광전달판과, 이 광전달판의 상기 광원부근을 둘러싸는 단면반사부 및 이 단면반사부에 연속하고 상기 광원으로부터 떨어진 위치에 상기 광전달판의 길이방향 및 두께방향으로 대략 45°각도로 경사진 경사반사부를 갖춘 반사프레임을 구비한 것을 특징으로 하는 면발광장치
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930001605A 1992-10-16 1993-02-06 면 발광장치 KR940009727A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP92-303296 1992-10-16
JP4303296A JPH06130385A (ja) 1992-10-16 1992-10-16 面発光装置

Publications (1)

Publication Number Publication Date
KR940009727A true KR940009727A (ko) 1994-05-24

Family

ID=17919250

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930001605A KR940009727A (ko) 1992-10-16 1993-02-06 면 발광장치

Country Status (4)

Country Link
US (1) US5377083A (ko)
JP (1) JPH06130385A (ko)
KR (1) KR940009727A (ko)
DE (1) DE4334411B4 (ko)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29513401U1 (de) * 1995-08-21 1996-12-19 Siemens Ag Anzeigesystem
US5791772A (en) * 1996-01-16 1998-08-11 Donnelly Corporation Lamp assembly with light pipe, light pipe and light pipe/lens assembly
US7088333B1 (en) 1999-03-12 2006-08-08 Matsushita Electric Industrial Co., Ltd. Surface lighting device and portable terminal using the same
US6655810B2 (en) * 2000-06-21 2003-12-02 Fujitsu Display Technologies Corporation Lighting unit
JP2002062434A (ja) * 2000-08-08 2002-02-28 Internatl Business Mach Corp <Ibm> 導光板、サイドライト型光源装置および画像表示装置
JP2003173712A (ja) * 2001-12-05 2003-06-20 Toyoda Gosei Co Ltd 発光装置及びディスプレイ
AUPS198202A0 (en) * 2002-04-26 2002-06-06 Ferguson Lighting Pty Limited Lighting apparatus
TW577549U (en) * 2003-01-30 2004-02-21 Toppoly Optoelectronics Corp Back light module for flat display device
US20070159850A1 (en) * 2006-01-06 2007-07-12 Health & Life Co., Ltd Color blend structure for improving the display of a backlight module of a liquid crystal display panel
TWI274196B (en) * 2006-01-27 2007-02-21 Au Optronics Corp Light guiding structure
JP5429633B2 (ja) * 2009-03-09 2014-02-26 Ｎｌｔテクノロジー株式会社 面発光装置及び液晶表示装置
US8184230B2 (en) * 2009-05-08 2012-05-22 Honeywell International Inc. High efficiency backlight assembly for flat panel display assembly and method for the manufacture thereof
US8730212B2 (en) * 2009-08-21 2014-05-20 Microsoft Corporation Illuminator for touch- and object-sensitive display
CN102221476A (zh) * 2011-03-21 2011-10-19 吴平平 一种环梁式液压提升装置试验机
CN202708988U (zh) * 2012-07-03 2013-01-30 深圳安嵘光电产品有限公司 一种导光板及照明灯具
JP6355967B2 (ja) 2014-05-19 2018-07-11 矢崎総業株式会社 液晶表示装置及び車両用計器
US11385399B1 (en) * 2022-03-25 2022-07-12 Tactotek Oy Integrated optically functional multilayer structure and related method of manufacture

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3208162A1 (de) * 1981-03-28 1982-10-07 Teldix Gmbh Flaechige beleuchtungseinrichtung
JPS6269281A (ja) * 1985-09-20 1987-03-30 Toshiba Corp 画像形成装置
JPS63294325A (ja) * 1987-05-21 1988-12-01 Isao Kurata 結線装置
JPH01298601A (ja) * 1988-05-26 1989-12-01 Mitsubishi Electric Corp 面発光装置
JPH0679119B2 (ja) * 1988-07-27 1994-10-05 三菱電機株式会社 面発光装置
JPH0679120B2 (ja) * 1988-08-06 1994-10-05 三菱電機株式会社 面発光装置
DE3929955A1 (de) * 1989-09-08 1991-03-14 Inotec Gmbh Ges Fuer Innovativ Lichtstrahler
US4975808A (en) * 1989-10-02 1990-12-04 Motorola, Inc. Backlighting apparatus
US5101325A (en) * 1990-03-20 1992-03-31 General Electric Company Uniform illumination of large, thin surfaces particularly suited for automotive applications
DE4105547A1 (de) * 1991-02-22 1992-08-27 Hella Kg Hueck & Co Flache, beleuchtete warn- oder anzeigeeinrichtung
US5150960A (en) * 1991-12-06 1992-09-29 General Motors Corporation Rear license plate illumination
DE9113944U1 (ko) * 1991-09-03 1992-01-23 Willing, Achim, Dr.-Ing., 8604 Schesslitz, De

Also Published As

Publication number Publication date
JPH06130385A (ja) 1994-05-13
DE4334411B4 (de) 2005-03-10
DE4334411A1 (de) 1994-04-21
US5377083A (en) 1994-12-27

Similar Documents

Publication Publication Date Title
KR940009727A (ko) 면 발광장치
US5054885A (en) Light fixture including a partially collimated beam of light and reflective prisms having peaks lying on a curved surface
KR0127478B1 (ko) 정상 출력을 제공하는 전등 기구
JP2711481B2 (ja) 高い均一性、方向性およびアスペクト比を有する発光体
KR960024568A (ko) 조명장치
JP2853969B2 (ja) 面光源装置
EP0490282B1 (en) A lamp
KR960041840A (ko) 면조명 장치 및 이것을 이용한 표시기
KR960029841A (ko) 액정 표시 장치의 백라이트 장치
KR950004625A (ko) 평판 패널 디스플레이 장치 및 이에 사용하기에 적당한 발광 시스템과 방사원
CA2057154A1 (en) Light box
KR0184258B1 (ko) 다중공동 광고정구
KR920002983A (ko) 균일한 강도의 프로필 반사기를 갖는 조명기구
KR970059782A (ko) 면 광원장치
WO2000011399A8 (de) Leuchte mit lichtleitelement
EP0915287A3 (en) Reflecting mirror for floodlight
JPH02176692A (ja) 光装置
DE59709068D1 (de) Leuchte mit einer insbesondere kleinvolumigen Lampe
DK1179158T3 (da) Lysgiver
DE59006331D1 (de) Leuchtpult.
MX9300751A (es) Accesorio de alumbrado con una pelicula transmisora de luz mejorada.
JPH05307365A (ja) 面発光装置
ATE348290T1 (de) Leuchte
JP2772169B2 (ja) 車両用灯具
WO2002048606A3 (en) Luminaire comprising an elongate light source and a back reflector

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E902 Notification of reason for refusal
E601 Decision to refuse application