DE602007013865D1 - Lichtmischer und Rückbeleuchtungsmodul damit - Google Patents

Lichtmischer und Rückbeleuchtungsmodul damit

Info

Publication number
DE602007013865D1
DE602007013865D1 DE200760013865 DE602007013865T DE602007013865D1 DE 602007013865 D1 DE602007013865 D1 DE 602007013865D1 DE 200760013865 DE200760013865 DE 200760013865 DE 602007013865 T DE602007013865 T DE 602007013865T DE 602007013865 D1 DE602007013865 D1 DE 602007013865D1
Authority
DE
Germany
Prior art keywords
backlight module
light mixer
mixer
light
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.)
Active
Application number
DE200760013865
Other languages
English (en)
Inventor
Shen-Yin Tsai
Chin-Lung Kuo
Yao-Yuan Kuo
I-Chang Lee
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.)
CHI LIN TECHNOLOGY JEN TE HSIANG
Original Assignee
CHI LIN TECHNOLOGY JEN TE HSIANG
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 CHI LIN TECHNOLOGY JEN TE HSIANG filed Critical CHI LIN TECHNOLOGY JEN TE HSIANG
Publication of DE602007013865D1 publication Critical patent/DE602007013865D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G02B6/0036—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
    • G02B6/0013—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
    • 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
    • G02B6/0055—Reflecting element, 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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays
    • 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
    • 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)
DE200760013865 2007-02-14 2007-02-14 Lichtmischer und Rückbeleuchtungsmodul damit Active DE602007013865D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20070102415 EP1959277B1 (de) 2007-02-14 2007-02-14 Lichtmischer und Rückbeleuchtungsmodul damit

Publications (1)

Publication Number Publication Date
DE602007013865D1 true DE602007013865D1 (de) 2011-05-26

Family

ID=38055303

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200760013865 Active DE602007013865D1 (de) 2007-02-14 2007-02-14 Lichtmischer und Rückbeleuchtungsmodul damit

Country Status (2)

Country Link
EP (1) EP1959277B1 (de)
DE (1) DE602007013865D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8755005B2 (en) * 2008-09-24 2014-06-17 Koninklijke Philips N.V. Thin edge backlight with LEDS optically coupled to the back surface
US8092061B2 (en) 2009-04-15 2012-01-10 Delphi Technologies, Inc. Pipe having light-redirecting channels
KR101672424B1 (ko) * 2010-03-24 2016-11-03 엘지전자 주식회사 백라이트 유닛 및 디스플레이 장치
EP2470949B1 (de) 2009-08-27 2015-11-04 LG Electronics Inc. Rücklichteinheit und anzeigevorrichtung
WO2011051871A1 (en) * 2009-10-27 2011-05-05 Koninklijke Philips Electronics N.V. Light-guide for an illumination system and for a scanning backlight system
KR20110068382A (ko) 2009-12-16 2011-06-22 삼성전자주식회사 백라이트유닛 및 이를 가지는 디스플레이장치
KR101673033B1 (ko) * 2010-04-21 2016-11-04 엘지전자 주식회사 디스플레이 장치
CN107656398A (zh) * 2017-10-13 2018-02-02 惠州市华星光电技术有限公司 液晶显示器及其背光模组
CN110609418A (zh) * 2019-09-24 2019-12-24 深圳创维－Rgb电子有限公司 一种背光模组及显示设备

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10102586A1 (de) * 2001-01-20 2002-07-25 Philips Corp Intellectual Pty Beleuchtungseinrichtung mit punktförmigen Lichtquellen

Also Published As

Publication number Publication date
EP1959277A1 (de) 2008-08-20
EP1959277B1 (de) 2011-04-13

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