TW365640B - A lighting device with a light diffuser - Google Patents

A lighting device with a light diffuser

Info

Publication number
TW365640B
TW365640B TW085109486A TW85109486A TW365640B TW 365640 B TW365640 B TW 365640B TW 085109486 A TW085109486 A TW 085109486A TW 85109486 A TW85109486 A TW 85109486A TW 365640 B TW365640 B TW 365640B
Authority
TW
Taiwan
Prior art keywords
lighting device
diffuser
lighting
light diffuser
balls
Prior art date
Application number
TW085109486A
Other languages
English (en)
Inventor
Bernd Eschke
Siegfried Vogt
Heinrich Flohr
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of TW365640B publication Critical patent/TW365640B/zh

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
    • G02B6/0035—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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • 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
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/30—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides doped with fluorescent agents
    • 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
    • G02B6/0018—Redirecting means on the surface of the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Planar Illumination Modules (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
TW085109486A 1995-10-19 1996-08-06 A lighting device with a light diffuser TW365640B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19538893A DE19538893A1 (de) 1995-10-19 1995-10-19 Beleuchtungskörper mit einem Diffusor

Publications (1)

Publication Number Publication Date
TW365640B true TW365640B (en) 1999-08-01

Family

ID=7775236

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085109486A TW365640B (en) 1995-10-19 1996-08-06 A lighting device with a light diffuser

Country Status (8)

Country Link
US (1) US6447133B1 (zh)
EP (1) EP0799430B1 (zh)
JP (1) JPH10511223A (zh)
KR (1) KR100454991B1 (zh)
DE (2) DE19538893A1 (zh)
ES (1) ES2216063T3 (zh)
TW (1) TW365640B (zh)
WO (1) WO1997014981A1 (zh)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19803537A1 (de) * 1998-01-30 1999-08-05 Hella Kg Hueck & Co Leuchte für Fahrzeuge
DE19833346B4 (de) * 1998-07-24 2014-02-27 Robert Bosch Gmbh Flüssigkristall-Displayanordnung eines elektronischen Geräts
DE10001412C2 (de) * 2000-01-14 2001-12-06 Siemens Ag Beleuchtungseinheit
DE10004972A1 (de) * 2000-02-04 2001-08-16 Bosch Gmbh Robert Anzeigevorrichtung
JP4003472B2 (ja) * 2001-03-16 2007-11-07 セイコーエプソン株式会社 有機エレクトロルミネッセンス装置及び電子機器
DE10113582A1 (de) * 2001-03-20 2002-10-10 Lars-Oliver Heim Leuchtmittel unter Nutzung der Streueigenschaften eingebetteter Streuzentren
US6896398B2 (en) * 2001-04-27 2005-05-24 Ilight Technologies, Inc. Simulated neon illumination device using end-lit waveguide
EP1423641B1 (en) * 2001-08-27 2007-09-26 Koninklijke Philips Electronics N.V. Light panel with enlarged viewing window
US6663262B2 (en) 2001-09-10 2003-12-16 3M Innovative Properties Company Backlighting transmissive displays
US6796697B1 (en) * 2001-10-04 2004-09-28 Kla-Tencor, Inc. Illumination delivery system
KR100930914B1 (ko) * 2002-12-31 2009-12-10 엘지디스플레이 주식회사 액정표시장치용 배면조명 장치
WO2004070262A2 (en) 2003-02-04 2004-08-19 Ilight Technologies, Inc. Flexible illumination device for simulating neon lighting
US7182480B2 (en) 2003-03-05 2007-02-27 Tir Systems Ltd. System and method for manipulating illumination created by an array of light emitting devices
JP4017039B2 (ja) * 2003-11-18 2007-12-05 シャープ株式会社 照明装置およびそれを備えた表示装置
DE102004046256A1 (de) * 2004-09-23 2006-04-06 Osram Opto Semiconductors Gmbh Oberflächenleuchtsystem
JP2007024915A (ja) * 2005-07-12 2007-02-01 Nec Lcd Technologies Ltd 照明装置及び該照明装置を備える液晶表示装置
DE102005033982A1 (de) * 2005-07-20 2007-02-01 Siemens Ag Anzeigeeinheit
WO2007047684A2 (en) * 2005-10-17 2007-04-26 I2Ic Corporation An apparatus and method for providing a light source in the form of a surface
JP4708307B2 (ja) 2005-11-04 2011-06-22 昭和電工株式会社 導光部材およびこの導光部材を用いた面光源装置、ならびに表示装置
EP1978300B1 (en) * 2006-01-23 2014-03-19 FUJIFILM Corporation Planar illumination device
US20080037284A1 (en) * 2006-04-21 2008-02-14 Rudisill Charles A Lightguide tile modules and modular lighting system
DE102006034817A1 (de) * 2006-07-27 2008-01-31 Airbus Deutschland Gmbh Luftfahrzeuglichtquelle mit zumindest einer Leuchtdiode und einem Diffusor
DE102006060757B4 (de) * 2006-12-21 2008-10-02 Siemens Home And Office Communication Devices Gmbh & Co. Kg Display-Modul
JP2008218141A (ja) * 2007-03-02 2008-09-18 Mori Noriko Ｌｅｄランプ
CN101261388A (zh) * 2007-03-06 2008-09-10 中强光电股份有限公司 背光板装置及其控制方法
KR20100033998A (ko) * 2007-06-05 2010-03-31 아이2아이씨 코포레이션 편광 광원
TWI382245B (zh) * 2008-08-28 2013-01-11 Au Optronics Corp 背光模組
DE102009010720A1 (de) 2009-02-27 2010-09-02 Prettl, Rolf Optischer Diffusor, Lichtbox, Spritzgussform und Verwendung einer Spritzgussform
CN101999881B (zh) * 2009-09-01 2013-04-03 上海道生医疗科技有限公司 中医望诊检测装置
DE102011016437A1 (de) * 2011-04-08 2012-10-11 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Instrument für ein Kraftfahrzeug
TW201303447A (zh) * 2011-07-11 2013-01-16 Beyond Innovation Tech Co Ltd 背光模組與使用其之液晶顯示器
CN104053945A (zh) 2011-10-19 2014-09-17 皇家飞利浦有限公司 具有全向光分布的照明装置
IN2014CN04617A (zh) * 2011-12-21 2015-09-18 Inventio Ag
CN103912797A (zh) * 2013-01-06 2014-07-09 纬创资通股份有限公司 背光模块
DE102019135217A1 (de) * 2019-12-19 2021-06-24 Bayerische Motoren Werke Aktiengesellschaft Sicht-/Interieurbauteil für ein Fahrzeug und Fahrzeug

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50107958A (zh) * 1974-01-31 1975-08-25
US4059916A (en) * 1975-01-30 1977-11-29 Copal Company Limited Light diffusing device
JPS62168116A (ja) * 1986-01-20 1987-07-24 Nec Corp 螢光灯バツクライト式液晶表示器
GB2196100B (en) * 1986-10-01 1990-07-04 Mitsubishi Rayon Co Light diffusing device
GB2262619A (en) * 1991-11-30 1993-06-23 Meitaku Syst Kk Edge light panel and its production
FR2705484B1 (fr) * 1993-05-18 1995-06-23 Thomson Csf Dispositif d'affichage.
EP0789857B1 (en) * 1995-08-23 2004-06-30 Koninklijke Philips Electronics N.V. Illumination system for a flat-panel picture display device

Also Published As

Publication number Publication date
ES2216063T3 (es) 2004-10-16
EP0799430B1 (de) 2004-02-04
KR100454991B1 (ko) 2005-01-25
US6447133B1 (en) 2002-09-10
KR987000580A (ko) 1998-03-30
DE59610909D1 (de) 2004-03-11
DE19538893A1 (de) 1997-04-24
JPH10511223A (ja) 1998-10-27
WO1997014981A1 (de) 1997-04-24
EP0799430A1 (de) 1997-10-08

Similar Documents

Publication Publication Date Title
TW365640B (en) A lighting device with a light diffuser
TW200516323A (en) Backlight assembly of liquid crystal display
CA2273050A1 (en) Optical structures for diffusing light
AU6202600A (en) Lighting apparatus
CA2134902A1 (en) Light Diffusing Apparatus
ATE180322T1 (de) Mikroprismenanordnung verwendende vorrichtung zur rückseitigen beleuchtung
AU3743699A (en) Illumination device for non-emissive displays
CA2006314A1 (en) Compact variable diffuser for use in a luminaire
TW360804B (en) Illumination device and information processing apparatus
WO2004032714A3 (en) Phototherapy system and device
PL364574A1 (en) Electrically controllable device having variable optical qualities or system which is holographic,thermotropic or which has suspended particles
TW200502505A (en) Light guiding board, and lighting device, plane light source device and display device using the light guiding board
EP0650077A4 (en) DEVICE FOR LIGHTING A SURFACE.
TW200606370A (en) System for back lighting of displays or screens
BR9400883A (pt) Célula de flotação com um injetor
EP0351108A3 (en) Display device
TW200608154A (en) Illuminating device, exposure device, and exposure method
AU6560200A (en) Method for culturing and/or treating cells
TW200732769A (en) Lighting device and liquid crystal display device
JPH02269382A (ja) 一側光源用面光源パネル
Thornton et al. The role of the sediments
JPH08240721A (ja) 照明輝度調節可能な液晶バックライト
CN107676739A (zh) 一种透光板及面板灯
JPS5430061A (en) Illuminating device
KR100701249B1 (ko) 직하방식 백라이트 유닛용 확산판

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees