BR7903940A - Fonte luminosa de grande superficie - Google Patents

Fonte luminosa de grande superficie

Info

Publication number
BR7903940A
BR7903940A BR7903940A BR7903940A BR7903940A BR 7903940 A BR7903940 A BR 7903940A BR 7903940 A BR7903940 A BR 7903940A BR 7903940 A BR7903940 A BR 7903940A BR 7903940 A BR7903940 A BR 7903940A
Authority
BR
Brazil
Prior art keywords
source
large surface
large source
Prior art date
Application number
BR7903940A
Other languages
English (en)
Inventor
W Hehr
Original Assignee
Blaupunkt Werke Gmbh
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 Blaupunkt Werke Gmbh filed Critical Blaupunkt Werke Gmbh
Publication of BR7903940A publication Critical patent/BR7903940A/pt

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
    • G02B6/005—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
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape
    • 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
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
    • 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
    • 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
    • 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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
BR7903940A 1978-06-23 1979-06-22 Fonte luminosa de grande superficie BR7903940A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2827573A DE2827573C2 (de) 1978-06-23 1978-06-23 Großflächige Lichtquelle

Publications (1)

Publication Number Publication Date
BR7903940A true BR7903940A (pt) 1980-02-20

Family

ID=6042556

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7903940A BR7903940A (pt) 1978-06-23 1979-06-22 Fonte luminosa de grande superficie

Country Status (4)

Country Link
US (1) US4277817A (pt)
EP (1) EP0006450A1 (pt)
BR (1) BR7903940A (pt)
DE (1) DE2827573C2 (pt)

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US5101325A (en) * 1990-03-20 1992-03-31 General Electric Company Uniform illumination of large, thin surfaces particularly suited for automotive applications
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CA2014309C (en) * 1990-04-10 1995-09-05 Nobuo Oyama Striated light diffuser and method of forming the same
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GB2246231A (en) * 1990-07-20 1992-01-22 Marconi Gec Ltd Liquid crystal displays.
US5050946A (en) * 1990-09-27 1991-09-24 Compaq Computer Corporation Faceted light pipe
JP2692025B2 (ja) * 1992-01-24 1997-12-17 スタンレー電気株式会社 面状発光体装置
US5211463A (en) * 1992-03-11 1993-05-18 Kaiser Aerospace & Electronics Corporation Backlight for liquid crystal devices
US5237641A (en) * 1992-03-23 1993-08-17 Nioptics Corporation Tapered multilayer luminaire devices
US5303322A (en) * 1992-03-23 1994-04-12 Nioptics Corporation Tapered multilayer luminaire devices
US5528720A (en) * 1992-03-23 1996-06-18 Minnesota Mining And Manufacturing Co. Tapered multilayer luminaire devices
US6002829A (en) 1992-03-23 1999-12-14 Minnesota Mining And Manufacturing Company Luminaire device
US5499165A (en) * 1992-10-08 1996-03-12 Holmes, Jr.; Lawrence Transparent edge-lit lighting pane for displays
AU6524694A (en) * 1993-03-29 1994-10-24 Precision Lamp, Inc. Flat thin uniform thickness large area light source
JP3781441B2 (ja) * 1993-07-23 2006-05-31 康博 小池 光散乱導光光源装置及び液晶表示装置
US5485354A (en) * 1993-09-09 1996-01-16 Precision Lamp, Inc. Flat panel display lighting system
US5433024A (en) * 1993-10-04 1995-07-18 Displayonix Corp. Edge-lighted display
US5390085A (en) * 1993-11-19 1995-02-14 Motorola, Inc. Light diffuser for a liquid crystal display
JPH07169311A (ja) * 1993-12-17 1995-07-04 Enplas Corp 光散乱導光光源装置及び液晶表示装置
US5485291A (en) * 1994-02-22 1996-01-16 Precision Lamp, Inc. Uniformly thin, high efficiency large area lighting panel with two facet grooves that are spaced apart and have light source facing facets with smaller slopes than the facets facing away from the light source
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US5671994A (en) * 1994-06-08 1997-09-30 Clio Technologies, Inc. Flat and transparent front-lighting system using microprisms
US5506929A (en) * 1994-10-19 1996-04-09 Clio Technologies, Inc. Light expanding system for producing a linear or planar light beam from a point-like light source
WO1996017207A1 (en) * 1994-11-29 1996-06-06 Precision Lamp, Inc. Edge light for panel display
US6712481B2 (en) * 1995-06-27 2004-03-30 Solid State Opto Limited Light emitting panel assemblies
US5613751A (en) * 1995-06-27 1997-03-25 Lumitex, Inc. Light emitting panel assemblies
EP1231501A3 (en) * 1995-12-05 2004-01-21 Matsushita Electric Industrial Co., Ltd. Liquid crystal display device
US5961197A (en) * 1995-12-14 1999-10-05 Enplas Corporation Surface light source device
US6024463A (en) * 1996-11-12 2000-02-15 Enplas Corporation Surface light source device of side light type with belt-like diffusible area
US5997155A (en) * 1997-03-31 1999-12-07 Physical Sciences, Inc. Integrating projection optic
KR100238004B1 (ko) * 1997-08-30 2000-01-15 구본준 액정표시장치의 배광장치의 고정구조
USD427340S (en) * 1998-06-19 2000-06-27 Beghelli S.P.A. Lighting device for environments provided with video terminals
ATE340967T1 (de) * 1998-12-29 2006-10-15 Osram Opto Semiconductors Gmbh Lichtquellenelement mit seitlicher schräger lichteinkopplung
US6827456B2 (en) 1999-02-23 2004-12-07 Solid State Opto Limited Transreflectors, transreflector systems and displays and methods of making transreflectors
JP3457591B2 (ja) * 1999-10-08 2003-10-20 インターナショナル・ビジネス・マシーンズ・コーポレーション 液晶表示装置
US7263268B2 (en) * 2001-07-23 2007-08-28 Ben-Zion Inditsky Ultra thin radiation management and distribution systems with hybrid optical waveguide
DE10255552A1 (de) * 2002-11-28 2004-06-17 Max Dipl.-Ing. Steigerwald Prisma mit Abstrahlung von einer bevorzugten Seite
CN101036284B (zh) * 2004-10-01 2012-11-28 皇家飞利浦电子股份有限公司 用于led大面积光源灯的功率转换器
US7284886B2 (en) 2005-11-23 2007-10-23 Volkswagen Ag Moonroof for a motor vehicle
KR101364997B1 (ko) * 2007-01-11 2014-02-19 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 구비한 표시 장치
TWI359961B (en) * 2008-04-16 2012-03-11 Univ Nat Taiwan Science Tech Light-concentrating panel
US8462292B2 (en) * 2008-07-31 2013-06-11 Rambus Delaware Llc Optically transmissive substrates and light emitting assemblies and methods of making same, and methods of displaying images using the optically transmissive substrates and light emitting assemblies
KR101701414B1 (ko) * 2010-10-11 2017-02-02 삼성전자주식회사 홀로그래피 3차원 영상 표시 장치 및 방법
DE102013008433B4 (de) * 2013-05-17 2020-12-03 Lisa Dräxlmaier GmbH Flächige Vorrichtung zur Beleuchtung der Innenausstattung eines Fahrzeugs
US10739513B2 (en) 2018-08-31 2020-08-11 RAB Lighting Inc. Apparatuses and methods for efficiently directing light toward and away from a mounting surface

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US2761056A (en) * 1953-02-13 1956-08-28 Lazo John Instrument illuminating means
FR1301374A (fr) * 1961-07-06 1962-08-17 Lumiere Soc Perfectionnements aux procédés et dispositifs de réflectographie notamment pour livres reliés
US3328570A (en) * 1965-04-09 1967-06-27 Gen Electric Illuminated panel member
US3491245A (en) * 1967-04-10 1970-01-20 George K C Hardesty Guided light display panel
JPS4923909B1 (pt) * 1970-12-17 1974-06-19
US3838909A (en) * 1973-04-06 1974-10-01 Rockwell International Corp Ambient illuminations system for liquid crystal display
US3838565A (en) * 1973-06-21 1974-10-01 American Micro Syst Liquid crystal display utilizing ambient light for increased contrast
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Also Published As

Publication number Publication date
EP0006450A1 (de) 1980-01-09
DE2827573A1 (de) 1980-01-03
DE2827573C2 (de) 1983-02-03
US4277817A (en) 1981-07-07

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