DE29620817U1 - Hintergrundlicht - Google Patents

Hintergrundlicht

Info

Publication number
DE29620817U1
DE29620817U1 DE29620817U DE29620817U DE29620817U1 DE 29620817 U1 DE29620817 U1 DE 29620817U1 DE 29620817 U DE29620817 U DE 29620817U DE 29620817 U DE29620817 U DE 29620817U DE 29620817 U1 DE29620817 U1 DE 29620817U1
Authority
DE
Germany
Prior art keywords
backlight
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE29620817U
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lite On Electronics Inc
Original Assignee
Lite On Electronics Inc
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
Priority to US08/755,608 priority Critical patent/US5727862A/en
Application filed by Lite On Electronics Inc filed Critical Lite On Electronics Inc
Priority to DE29620817U priority patent/DE29620817U1/de
Publication of DE29620817U1 publication Critical patent/DE29620817U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G09F13/0409—Arrangements for homogeneous illumination of the display surface, e.g. using a layer having a non-uniform transparency
    • 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
    • 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
    • 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
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
    • G02B6/0051—Diffusing 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
    • G02B6/0081—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
    • G02B6/0081—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
    • G02B6/0091—Positioning aspects of the light source relative to the light guide
    • 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
DE29620817U 1996-11-25 1996-11-29 Hintergrundlicht Expired - Lifetime DE29620817U1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US08/755,608 US5727862A (en) 1996-11-25 1996-11-25 LED back light assembly
DE29620817U DE29620817U1 (de) 1996-11-25 1996-11-29 Hintergrundlicht

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/755,608 US5727862A (en) 1996-11-25 1996-11-25 LED back light assembly
DE29620817U DE29620817U1 (de) 1996-11-25 1996-11-29 Hintergrundlicht

Publications (1)

Publication Number Publication Date
DE29620817U1 true DE29620817U1 (de) 1997-01-23

Family

ID=26059690

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29620817U Expired - Lifetime DE29620817U1 (de) 1996-11-25 1996-11-29 Hintergrundlicht

Country Status (2)

Country Link
US (1) US5727862A (de)
DE (1) DE29620817U1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0860805A1 (de) * 1997-02-24 1998-08-26 SWARCO FUTURIT Verkehrssignalsysteme Ges.m.b.H. Optischer Signalgeber mit Vielfach-Lichtquelle
DE29713114U1 (de) * 1997-07-23 1998-11-26 Bwf Kunststoffe Gmbh & Co Kg Lichtleiter mit Vorwärtsstreuung
DE102007006303B4 (de) * 2006-02-21 2009-12-03 Samsung Electro-Mechanics Co., Ltd., Suwon LED-Hintergrundleuchteinheit

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6095851A (en) * 1997-11-17 2000-08-01 Xircom, Inc. Status indicator for electronic device
JP4159059B2 (ja) * 1998-06-05 2008-10-01 シチズン電子株式会社 面状光源ユニット
TW541888U (en) * 1999-02-01 2003-07-11 Hsiu-Mei Ho Lighting fixture for compact, vanity case and the like
US6457992B2 (en) 1999-02-08 2002-10-01 3Com Corporation Visual feedback system for electronic device
JP3719927B2 (ja) * 1999-12-27 2005-11-24 シャープ株式会社 照明装置及び液晶表示器
UA74186C2 (uk) * 2000-05-19 2005-11-15 Лусайт Інтернешнл Юк Лімітед Освітлювальний пристрій з підсвічуванням крізь ребро
JP3742570B2 (ja) * 2000-08-11 2006-02-08 株式会社エンプラス 導光板、面光源装置及び表示装置
US6634779B2 (en) * 2001-01-09 2003-10-21 Rpm Optoelectronics, Inc. Method and apparatus for linear led lighting
TW581850B (en) * 2001-02-21 2004-04-01 Nippon Sheet Glass Co Ltd Light-guided plate, planar light source device, and image reading device
US7173677B2 (en) * 2001-04-12 2007-02-06 Rohm Co., Ltd. Back light unit for liquid crystal display device and method for manufacturing the unit
US7084935B2 (en) * 2002-08-28 2006-08-01 Adaptive Micro Systems, Llc Display device with molded light guide
TW566564U (en) * 2003-01-29 2003-12-11 Hon Hai Prec Ind Co Ltd Back light module and liquid crystal display using the same
US7114840B2 (en) * 2003-04-25 2006-10-03 Douglas Hamrick Exit sign illuminated by selective color LEDs
JP4465596B2 (ja) * 2004-04-26 2010-05-19 オムロン株式会社 光源モジュール及び面光源装置
TWM263518U (en) * 2004-07-06 2005-05-01 Au Optronics Corp Backlight module
TWI249257B (en) * 2004-09-24 2006-02-11 Epistar Corp Illumination apparatus
US7220040B2 (en) 2004-11-12 2007-05-22 Harris Corporation LED light engine for backlighting a liquid crystal display
TWM268608U (en) * 2004-12-10 2005-06-21 Innolux Display Corp Back light module
US7347610B2 (en) * 2005-01-26 2008-03-25 Radiant Opto-Electronics Corporation Light guide plate having light diffusing entities on light entering side
JP2008203281A (ja) * 2005-06-03 2008-09-04 Sharp Corp 線状光源バックライトシステムおよび平面表示装置
US20070115687A1 (en) * 2005-11-24 2007-05-24 Tpo Hong Kong Holding Limited Light-emitting unit and method of producing the same
US7359614B2 (en) * 2006-01-20 2008-04-15 Chunghwa Picture Tubes, Ltd. Backlight module
EP1816391A1 (de) * 2006-02-07 2007-08-08 Delphi Technologies, Inc. Flache Leuchtvorrichtung
JP5142495B2 (ja) * 2006-08-07 2013-02-13 株式会社ジャパンディスプレイイースト 液晶表示装置
KR20090057573A (ko) * 2007-12-03 2009-06-08 삼성전자주식회사 백라이트유닛 및 이를 갖는 평판표시장치
US7802913B2 (en) * 2008-06-18 2010-09-28 Teamwin Opto-Electronics Co., Ltd. LED lamp including positioning frame for general illumination
KR101693655B1 (ko) * 2009-11-12 2017-01-06 엘지전자 주식회사 백라이트 유닛 및 이를 포함하는 액정표시장치
WO2011086799A1 (ja) * 2010-01-13 2011-07-21 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置
KR20110103074A (ko) 2010-03-12 2011-09-20 엘지전자 주식회사 디스플레이 장치
CN103302045A (zh) * 2012-03-16 2013-09-18 鸿富锦精密工业（深圳）有限公司 太阳能板清洁系统
TWI606207B (zh) * 2014-10-14 2017-11-21 鴻海精密工業股份有限公司 光源模組
US20180306972A1 (en) * 2017-04-19 2018-10-25 Omachron Intellectual Property Inc. Led light source
US10514489B2 (en) 2017-04-19 2019-12-24 Omachron Intellectual Property Inc. LED light source
CN109746674A (zh) * 2018-12-29 2019-05-14 昆山拓誉自动化科技有限公司 Led平板灯组立线

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2623313A (en) * 1948-06-14 1952-12-30 Paul E Fuchs Edge illuminated sign
US5280415A (en) * 1992-06-12 1994-01-18 Barnette Bobby W Illuminated chart holder
US5276591A (en) * 1992-07-23 1994-01-04 William Hegarty Sign with indirect illumination from light emitting diodes

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0860805A1 (de) * 1997-02-24 1998-08-26 SWARCO FUTURIT Verkehrssignalsysteme Ges.m.b.H. Optischer Signalgeber mit Vielfach-Lichtquelle
DE29713114U1 (de) * 1997-07-23 1998-11-26 Bwf Kunststoffe Gmbh & Co Kg Lichtleiter mit Vorwärtsstreuung
DE102007006303B4 (de) * 2006-02-21 2009-12-03 Samsung Electro-Mechanics Co., Ltd., Suwon LED-Hintergrundleuchteinheit
US7784989B2 (en) 2006-02-21 2010-08-31 Samsung LED Co. Ltd. LED backlight unit including light guide plate with fixing means

Also Published As

Publication number Publication date
US5727862A (en) 1998-03-17

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19970306

R081 Change of applicant/patentee

Owner name: LITE-ON ELECTRONICS, INC., TW

Free format text: FORMER OWNER: TAIWAN LITON ELECTRONIC CO., LTD., TAIPEH/T AI-PEI, TW

Effective date: 19981014

R081 Change of applicant/patentee

Owner name: LITE-ON ELECTRONICS, INC., TW

Free format text: FORMER OWNER: LITE-ON ELECTRONICS, INC., TAIPEH/T AI-PEI, TW

Effective date: 19990408

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20000126

R157 Lapse of ip right after 6 years

Effective date: 20030531