TW426158U - Backlight source apparatus - Google Patents

Backlight source apparatus

Info

Publication number
TW426158U
TW426158U TW088200164U TW88200164U TW426158U TW 426158 U TW426158 U TW 426158U TW 088200164 U TW088200164 U TW 088200164U TW 88200164 U TW88200164 U TW 88200164U TW 426158 U TW426158 U TW 426158U
Authority
TW
Taiwan
Prior art keywords
source apparatus
backlight source
backlight
source
Prior art date
Application number
TW088200164U
Other languages
English (en)
Inventor
Guo-Ju Tzeng
Chau-Chin Shiu
Original Assignee
Ind Tech Res Inst
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21643744&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=TW426158(U) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ind Tech Res Inst filed Critical Ind Tech Res Inst
Priority to TW088200164U priority Critical patent/TW426158U/zh
Priority to US09/274,101 priority patent/US6164791A/en
Publication of TW426158U publication Critical patent/TW426158U/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
    • G02B6/005—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
    • G02B6/0033—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
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • 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
    • 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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
TW088200164U 1999-01-07 1999-01-07 Backlight source apparatus TW426158U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW088200164U TW426158U (en) 1999-01-07 1999-01-07 Backlight source apparatus
US09/274,101 US6164791A (en) 1999-01-07 1999-03-23 Backlight source device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW088200164U TW426158U (en) 1999-01-07 1999-01-07 Backlight source apparatus

Publications (1)

Publication Number Publication Date
TW426158U true TW426158U (en) 2001-03-11

Family

ID=21643744

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088200164U TW426158U (en) 1999-01-07 1999-01-07 Backlight source apparatus

Country Status (2)

Country Link
US (1) US6164791A (zh)
TW (1) TW426158U (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108445579A (zh) * 2018-05-15 2018-08-24 杭州矽能新材料有限公司 方形导光板

Families Citing this family (32)

* Cited by examiner, † Cited by third party
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KR100859906B1 (ko) * 2001-03-16 2008-09-23 도레이 가부시끼가이샤 광학 기능성 시트
US6966684B2 (en) * 2001-09-13 2005-11-22 Gelcore, Llc Optical wave guide
US6908204B2 (en) 2002-02-02 2005-06-21 Edward Robert Kraft Flat panel luminaire having embedded light guides
US6796700B2 (en) * 2002-02-02 2004-09-28 Edward Robert Kraft Flat panel luminaire with remote light source and hollow light pipe for back lit signage applications
TW200641414A (en) * 2005-05-27 2006-12-01 Innolux Display Corp Light guide plate and backlight module using the same
KR100784021B1 (ko) * 2006-07-04 2007-12-10 삼성에스디아이 주식회사 액정 표시 장치의 백라이트 유니트
KR101391891B1 (ko) 2007-06-22 2014-05-07 삼성디스플레이 주식회사 도광판, 이의 제조방법 및 이를 포함하는 액정 표시 장치
US20090122227A1 (en) * 2007-11-08 2009-05-14 Rohm And Haas Denmark Finance A/S Integrated backlight illumination assembly
US9657907B2 (en) 2010-12-14 2017-05-23 Bridgelux Inc. Side light LED troffer tube
US8733999B2 (en) 2011-08-23 2014-05-27 Reuven Rahamim Method and apparatus pertaining to display backlighting
US9366396B2 (en) 2013-01-30 2016-06-14 Cree, Inc. Optical waveguide and lamp including same
US9291320B2 (en) 2013-01-30 2016-03-22 Cree, Inc. Consolidated troffer
US9442243B2 (en) 2013-01-30 2016-09-13 Cree, Inc. Waveguide bodies including redirection features and methods of producing same
US9625638B2 (en) 2013-03-15 2017-04-18 Cree, Inc. Optical waveguide body
US9519095B2 (en) 2013-01-30 2016-12-13 Cree, Inc. Optical waveguides
US9690029B2 (en) 2013-01-30 2017-06-27 Cree, Inc. Optical waveguides and luminaires incorporating same
US9869432B2 (en) 2013-01-30 2018-01-16 Cree, Inc. Luminaires using waveguide bodies and optical elements
US9798072B2 (en) 2013-03-15 2017-10-24 Cree, Inc. Optical element and method of forming an optical element
US9366799B2 (en) 2013-03-15 2016-06-14 Cree, Inc. Optical waveguide bodies and luminaires utilizing same
US10502899B2 (en) * 2013-03-15 2019-12-10 Ideal Industries Lighting Llc Outdoor and/or enclosed structure LED luminaire
US9920901B2 (en) 2013-03-15 2018-03-20 Cree, Inc. LED lensing arrangement
US10400984B2 (en) 2013-03-15 2019-09-03 Cree, Inc. LED light fixture and unitary optic member therefor
US10436970B2 (en) 2013-03-15 2019-10-08 Ideal Industries Lighting Llc Shaped optical waveguide bodies
US10379278B2 (en) * 2013-03-15 2019-08-13 Ideal Industries Lighting Llc Outdoor and/or enclosed structure LED luminaire outdoor and/or enclosed structure LED luminaire having outward illumination
US10209429B2 (en) 2013-03-15 2019-02-19 Cree, Inc. Luminaire with selectable luminous intensity pattern
US9857072B2 (en) * 2014-03-12 2018-01-02 American Heating Technologies Inc. Apparatuses, methods, and systems for illuminating panels used as cabinet doors and drawer panels
JP6539484B2 (ja) * 2015-04-17 2019-07-03 市光工業株式会社 車両用導光体、車両用灯具
US10416377B2 (en) 2016-05-06 2019-09-17 Cree, Inc. Luminaire with controllable light emission
US11719882B2 (en) 2016-05-06 2023-08-08 Ideal Industries Lighting Llc Waveguide-based light sources with dynamic beam shaping
CN108562969B (zh) * 2018-05-15 2024-04-05 杭州矽能新材料有限公司 高光效方形灯具
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
US10801679B2 (en) 2018-10-08 2020-10-13 RAB Lighting Inc. Apparatuses and methods for assembling luminaires

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0544332B1 (en) * 1991-11-28 1997-01-29 Enplas Corporation Surface light source device
US5461547A (en) * 1993-07-20 1995-10-24 Precision Lamp, Inc. Flat panel display lighting system
US5485354A (en) * 1993-09-09 1996-01-16 Precision Lamp, Inc. Flat panel display lighting system
US5575549A (en) * 1994-08-12 1996-11-19 Enplas Corporation Surface light source device
TW331593B (en) * 1996-05-13 1998-05-11 Konika Co Ltd Planer light source device and light guide plate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108445579A (zh) * 2018-05-15 2018-08-24 杭州矽能新材料有限公司 方形导光板
CN108445579B (zh) * 2018-05-15 2024-04-16 杭州矽能新材料有限公司 方形导光板

Also Published As

Publication number Publication date
US6164791A (en) 2000-12-26

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Legal Events

Date Code Title Description
GD4K Issue of patent certificate for granted utility model filed before june 30, 2004
MK4K Expiration of patent term of a granted utility model