KR900002229A - 면 발광장치 - Google Patents

면 발광장치 Download PDF

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Publication number
KR900002229A
KR900002229A KR1019890009907A KR890009907A KR900002229A KR 900002229 A KR900002229 A KR 900002229A KR 1019890009907 A KR1019890009907 A KR 1019890009907A KR 890009907 A KR890009907 A KR 890009907A KR 900002229 A KR900002229 A KR 900002229A
Authority
KR
South Korea
Prior art keywords
emitting device
guide plate
light emitting
light
light guide
Prior art date
Application number
KR1019890009907A
Other languages
English (en)
Other versions
KR930002926B1 (ko
Inventor
마사히꼬 마다
Original Assignee
시기 모리야
미쯔비시덴끼 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 시기 모리야, 미쯔비시덴끼 가부시끼가이샤 filed Critical 시기 모리야
Publication of KR900002229A publication Critical patent/KR900002229A/ko
Application granted granted Critical
Publication of KR930002926B1 publication Critical patent/KR930002926B1/ko

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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
    • 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
    • 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
    • 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
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
    • 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
    • G02B6/0031—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
    • G02B6/0081—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
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/14—Arrangements of reflectors therein
    • G09F2013/145—Arrangements of reflectors therein curved reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

내용 없음

Description

면 발광장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 1실시예에 의한 면 발광장치의 제2도에서의 Ⅰ-Ⅰ선의 단면도.
제2도는 제1도의 Ⅱ-Ⅱ선의 측단면도.
제3도는 광원부근의 주요부 확대 단면도.

Claims (1)

  1. 휘도분포에 강약이 있는 광원에 대하여 상기 광원을 포위하도록 형성한 가장자리면을 갖고, 동시에 광원의 휘도가 적은 방향이 짧은쪽 방향으로 되도록 도광판을 배설하고, 상기 도광판의 배면에 상기 가장자리면에서 입사한 광의 일부를 반사시키기 위한 산란반사층을 마련한 면 발광장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890009907A 1988-07-27 1989-07-12 면발광 장치 KR930002926B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP63188825A JPH0679119B2 (ja) 1988-07-27 1988-07-27 面発光装置
JP188825 1988-07-27
JP88-188825 1988-07-27

Publications (2)

Publication Number Publication Date
KR900002229A true KR900002229A (ko) 1990-02-28
KR930002926B1 KR930002926B1 (ko) 1993-04-15

Family

ID=16230485

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890009907A KR930002926B1 (ko) 1988-07-27 1989-07-12 면발광 장치

Country Status (3)

Country Link
US (1) US5050046A (ko)
JP (1) JPH0679119B2 (ko)
KR (1) KR930002926B1 (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06130385A (ja) * 1992-10-16 1994-05-13 Mitsubishi Electric Corp 面発光装置
US5433024A (en) * 1993-10-04 1995-07-18 Displayonix Corp. Edge-lighted display
EP0706073B1 (en) * 1994-04-22 2001-03-28 Enplas Corporation Surface light source device
US5613751A (en) 1995-06-27 1997-03-25 Lumitex, Inc. Light emitting panel assemblies
US6712481B2 (en) 1995-06-27 2004-03-30 Solid State Opto Limited Light emitting panel assemblies
KR0169444B1 (ko) * 1996-07-11 1999-01-15 김광호 표시 장치
DE19833346B4 (de) * 1998-07-24 2014-02-27 Robert Bosch Gmbh Flüssigkristall-Displayanordnung eines elektronischen Geräts
US6652128B2 (en) * 2001-01-31 2003-11-25 Textron Automotive Company, Inc. Backlighting method for an automotive trim panel
PL372550A1 (pl) * 2005-02-02 2006-08-07 Skoff Spółka Z Ograniczoną Odpowiedzialnością Oprawa oświetleniowa
TWI585333B (zh) * 2013-05-27 2017-06-01 郭錦標 發光二極體光條及其應用之平面光源裝置
KR20180058953A (ko) * 2016-11-25 2018-06-04 삼성전자주식회사 3d 백라이트 유닛 및 이를 포함하는 디스플레이 장치, 도광판의 제조 방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2347665A (en) * 1941-03-04 1944-05-02 Christensen Geneva Bandy Internal reflection lighting means
US3491245A (en) * 1967-04-10 1970-01-20 George K C Hardesty Guided light display panel
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
CA1299157C (en) * 1986-12-19 1992-04-21 Akira Tanaka Illuminating apparatus
JPH01298601A (ja) * 1988-05-26 1989-12-01 Mitsubishi Electric Corp 面発光装置

Also Published As

Publication number Publication date
JPH0237322A (ja) 1990-02-07
US5050046A (en) 1991-09-17
JPH0679119B2 (ja) 1994-10-05
KR930002926B1 (ko) 1993-04-15

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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
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Payment date: 19980410

Year of fee payment: 6

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