DE602004025013D1 - Ein lichtleitersystem mit einem flächigen lichtemittierenden element - Google Patents

Ein lichtleitersystem mit einem flächigen lichtemittierenden element

Info

Publication number
DE602004025013D1
DE602004025013D1 DE602004025013T DE602004025013T DE602004025013D1 DE 602004025013 D1 DE602004025013 D1 DE 602004025013D1 DE 602004025013 T DE602004025013 T DE 602004025013T DE 602004025013 T DE602004025013 T DE 602004025013T DE 602004025013 D1 DE602004025013 D1 DE 602004025013D1
Authority
DE
Germany
Prior art keywords
light
emitting element
guide system
light emitting
light guide
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
DE602004025013T
Other languages
English (en)
Inventor
Ludovicus J Haenen
Johannes P Ansems
Nicola B Pfeffer
Lier Edwin Van
Augustinus G Meijers
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602004025013D1 publication Critical patent/DE602004025013D1/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
    • 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
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0028—Light guide, e.g. taper
    • 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
    • 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
    • G02B6/0048—Tapered light guide, e.g. wedge-shaped light guide with stepwise taper
DE602004025013T 2003-09-08 2004-08-23 Ein lichtleitersystem mit einem flächigen lichtemittierenden element Active DE602004025013D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03103317 2003-09-08
PCT/IB2004/051526 WO2005024477A1 (en) 2003-09-08 2004-08-23 A light-guiding system comprising a plate-like light-emitting element

Publications (1)

Publication Number Publication Date
DE602004025013D1 true DE602004025013D1 (de) 2010-02-25

Family

ID=34259260

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004025013T Active DE602004025013D1 (de) 2003-09-08 2004-08-23 Ein lichtleitersystem mit einem flächigen lichtemittierenden element

Country Status (8)

Country Link
US (1) US7401964B2 (de)
EP (1) EP1664866B1 (de)
JP (1) JP2007505447A (de)
KR (1) KR20060071413A (de)
CN (1) CN100416315C (de)
AT (1) ATE454642T1 (de)
DE (1) DE602004025013D1 (de)
WO (1) WO2005024477A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4751104B2 (ja) * 2005-05-20 2011-08-17 株式会社クラレ 薄型面光源およびこれを用いた液晶表示装置
KR100735410B1 (ko) * 2005-11-17 2007-07-04 삼성전기주식회사 입사광을 균일하게 분포시키기 위한 도광판을 구비한 led 조명장치
KR100818278B1 (ko) * 2006-10-16 2008-04-01 삼성전자주식회사 액정 표시장치용 조명장치
KR101480003B1 (ko) * 2008-03-31 2015-01-09 삼성디스플레이 주식회사 전기 영동 표시 장치의 구동 방법
CN103017090A (zh) * 2013-01-16 2013-04-03 深圳市华星光电技术有限公司 光导入系统、侧入式背光模组及液晶显示器
US10119672B2 (en) * 2016-10-27 2018-11-06 Valeo North America, Inc. Bundle entry weave for lighting modules

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4528617A (en) * 1982-02-08 1985-07-09 Sheltered Workshop For The Disabled, Inc. Light distribution apparatus
US5101325A (en) * 1990-03-20 1992-03-31 General Electric Company Uniform illumination of large, thin surfaces particularly suited for automotive applications
JP3236631B2 (ja) * 1991-01-25 2001-12-10 ソリッド ステイト オプト リミテッド パネル照明器
JPH10282496A (ja) * 1997-02-07 1998-10-23 Sanyo Electric Co Ltd 導光体、導光体の製造方法及び面光源
JP3743990B2 (ja) * 1997-04-10 2006-02-08 オムロン株式会社 面光源装置
JP3496806B2 (ja) * 1998-02-17 2004-02-16 株式会社エンプラス サイドライト型面光源装置及び液晶表示装置
DE19806526A1 (de) * 1998-02-17 1999-08-19 Hella Kg Hueck & Co Beleuchtungseinrichtung für Kraftfahrzeuge
JP2000100231A (ja) * 1998-09-21 2000-04-07 Nitto Jushi Kogyo Kk 中間光源形成型面光源装置
JP2001133631A (ja) * 1999-11-02 2001-05-18 Nitto Denko Corp 導光板、面光源装置及び液晶表示装置
JP2002260428A (ja) * 2001-03-06 2002-09-13 Alps Electric Co Ltd 照明装置及びこれを用いた液晶表示装置
DE10123263B4 (de) * 2001-05-12 2005-12-08 Daimlerchrysler Ag Lichtleitsystem für den Innenraum eines Kraftfahrzeugs
JP2003149642A (ja) * 2001-11-13 2003-05-21 Matsushita Electric Works Ltd 液晶用フロントライト

Also Published As

Publication number Publication date
US20070019438A1 (en) 2007-01-25
ATE454642T1 (de) 2010-01-15
US7401964B2 (en) 2008-07-22
CN100416315C (zh) 2008-09-03
WO2005024477A1 (en) 2005-03-17
JP2007505447A (ja) 2007-03-08
CN1849534A (zh) 2006-10-18
EP1664866A1 (de) 2006-06-07
KR20060071413A (ko) 2006-06-26
EP1664866B1 (de) 2010-01-06

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Legal Events

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8364 No opposition during term of opposition