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TW200600900A - A light guide plate and a backlight moudule using the - Google Patents

A light guide plate and a backlight moudule using the

Info

Publication number
TW200600900A
TW200600900A TW093117706A TW93117706A TW200600900A TW 200600900 A TW200600900 A TW 200600900A TW 093117706 A TW093117706 A TW 093117706A TW 93117706 A TW93117706 A TW 93117706A TW 200600900 A TW200600900 A TW 200600900A
Authority
TW
Taiwan
Prior art keywords
guide plate
light guide
moudule
backlight
light
Prior art date
Application number
TW093117706A
Other languages
English (en)
Other versions
TWI285772B (en
Inventor
Ching-Hung Teng
Chiu-Lien Yang
Jia-Pang Pang
Original Assignee
Innolux Display Corp
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 Innolux Display Corp filed Critical Innolux Display Corp
Priority to TW093117706A priority Critical patent/TWI285772B/zh
Priority to US11/157,887 priority patent/US7252427B2/en
Publication of TW200600900A publication Critical patent/TW200600900A/zh
Application granted granted Critical
Publication of TWI285772B publication Critical patent/TWI285772B/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
    • G02B6/0038—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
    • G02B6/0058—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
TW093117706A 2004-06-18 2004-06-18 A light guide plate and a backlight module using the same TWI285772B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW093117706A TWI285772B (en) 2004-06-18 2004-06-18 A light guide plate and a backlight module using the same
US11/157,887 US7252427B2 (en) 2004-06-18 2005-06-20 Light guide plate having V-cut grooves and a liquid crystal display using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW093117706A TWI285772B (en) 2004-06-18 2004-06-18 A light guide plate and a backlight module using the same

Publications (2)

Publication Number Publication Date
TW200600900A true TW200600900A (en) 2006-01-01
TWI285772B TWI285772B (en) 2007-08-21

Family

ID=35480373

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093117706A TWI285772B (en) 2004-06-18 2004-06-18 A light guide plate and a backlight module using the same

Country Status (2)

Country Link
US (1) US7252427B2 (zh)
TW (1) TWI285772B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI581020B (zh) * 2011-08-23 2017-05-01 松下知識產權經營股份有限公司 Light guide plate, mold, and mold processing methods

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6752505B2 (en) * 1999-02-23 2004-06-22 Solid State Opto Limited Light redirecting films and film systems
JP2007280635A (ja) * 2006-04-03 2007-10-25 Hitachi Displays Ltd 面光源装置及びこれを用いた液晶表示装置
US7876489B2 (en) 2006-06-05 2011-01-25 Pixtronix, Inc. Display apparatus with optical cavities
US20080094853A1 (en) * 2006-10-20 2008-04-24 Pixtronix, Inc. Light guides and backlight systems incorporating light redirectors at varying densities
KR100905241B1 (ko) * 2007-04-13 2009-07-01 엘지전자 주식회사 복수의 구조체를 포함하는 광학 필름 및 이를 포함하는백라이트 유닛
KR20100103555A (ko) * 2007-12-20 2010-09-27 쓰리엠 이노베이티브 프로퍼티즈 컴파니 프리즘 구조체를 가진 백라이트 반사기
US20090185389A1 (en) * 2008-01-18 2009-07-23 Osram Sylvania Inc Light guide for a lamp
US8248560B2 (en) 2008-04-18 2012-08-21 Pixtronix, Inc. Light guides and backlight systems incorporating prismatic structures and light redirectors
US9200781B2 (en) * 2010-10-06 2015-12-01 Shoot The Moon Products Ii, Llc Light emitting decorative panels
US9134008B2 (en) 2010-10-06 2015-09-15 Shoot The Moon Products Ii, Llc Light emitting decorative panels
JP5612123B2 (ja) * 2010-11-29 2014-10-22 シャープ株式会社 導光体および導光体を有する照明装置ならびに表示装置
US8821002B2 (en) * 2011-07-20 2014-09-02 Shenzhen China Star Optoelectronics Technology Co., Ltd. Light guide plate and backlight module
TWI490607B (zh) * 2012-10-15 2015-07-01 群康科技(深圳)有限公司 顯示裝置及其發光模組與導光板
TWI499800B (zh) * 2013-01-22 2015-09-11 Innolux Corp 顯示裝置及其發光模組
CN104460108B (zh) * 2013-09-22 2017-03-08 纬创资通股份有限公司 背光模块
US9547118B2 (en) * 2015-03-07 2017-01-17 Ledyoung Technology Corporation Light guide panel with an improved light guide structure
WO2020231900A1 (en) 2019-05-10 2020-11-19 Rensselaer Polytechnic Institute Edge-lit light panel
US11460627B2 (en) 2019-12-17 2022-10-04 Coretronic Corporation Backlight module

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5054885A (en) * 1988-10-11 1991-10-08 Minnesota Mining And Manfuacturing Company Light fixture including a partially collimated beam of light and reflective prisms having peaks lying on a curved surface
JP3573393B2 (ja) * 1996-12-27 2004-10-06 パイオニア株式会社 ディスプレイ装置
JP2991183B2 (ja) * 1998-03-27 1999-12-20 日本電気株式会社 有機エレクトロルミネッセンス素子
TW422346U (en) * 1998-11-17 2001-02-11 Ind Tech Res Inst A reflector device with arc diffusion uint
JP4266551B2 (ja) * 2000-12-14 2009-05-20 三菱レイヨン株式会社 面光源システムおよびそれに用いる光偏向素子
KR100624408B1 (ko) * 2003-01-07 2006-09-18 삼성전자주식회사 백라이트 유닛
JP4244697B2 (ja) * 2003-05-13 2009-03-25 セイコーエプソン株式会社 表示装置及び方法
JP4114551B2 (ja) * 2003-06-06 2008-07-09 株式会社豊田自動織機 補助電極を用いた面状発光装置
US7284893B2 (en) * 2005-03-09 2007-10-23 K-Bridge Electronics Co., Ltd. Light equalizing structure of backlight modules

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI581020B (zh) * 2011-08-23 2017-05-01 松下知識產權經營股份有限公司 Light guide plate, mold, and mold processing methods

Also Published As

Publication number Publication date
US20050281052A1 (en) 2005-12-22
US7252427B2 (en) 2007-08-07
TWI285772B (en) 2007-08-21

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Legal Events

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