TW512292B - Hollow surface illuminator - Google Patents

Hollow surface illuminator Download PDF

Info

Publication number
TW512292B
TW512292B TW090118188A TW90118188A TW512292B TW 512292 B TW512292 B TW 512292B TW 090118188 A TW090118188 A TW 090118188A TW 90118188 A TW90118188 A TW 90118188A TW 512292 B TW512292 B TW 512292B
Authority
TW
Taiwan
Prior art keywords
prism
light
diaphragm
opening
space
Prior art date
Application number
TW090118188A
Other languages
English (en)
Chinese (zh)
Inventor
Kazuhiko Toyooka
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Application granted granted Critical
Publication of TW512292B publication Critical patent/TW512292B/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
    • 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
    • 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
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement 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
    • G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Liquid Crystal (AREA)
TW090118188A 2000-07-26 2001-07-25 Hollow surface illuminator TW512292B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000225276A JP4485026B2 (ja) 2000-07-26 2000-07-26 導光ユニット

Publications (1)

Publication Number Publication Date
TW512292B true TW512292B (en) 2002-12-01

Family

ID=18719076

Family Applications (1)

Application Number Title Priority Date Filing Date
TW090118188A TW512292B (en) 2000-07-26 2001-07-25 Hollow surface illuminator

Country Status (7)

Country Link
EP (1) EP1303725A2 (fr)
JP (1) JP4485026B2 (fr)
KR (1) KR20030026325A (fr)
CN (1) CN1211675C (fr)
AU (1) AU2001282930A1 (fr)
TW (1) TW512292B (fr)
WO (1) WO2002008663A2 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003040816A1 (fr) * 2001-11-02 2003-05-15 Honeywell International Inc. Conduit de lumiere trapezoidal creux pour retroeclairage
WO2003083530A1 (fr) * 2002-03-28 2003-10-09 Koninklijke Philips Electronics N.V. Systeme d'eclairage compact et dispositif d'affichage
US7223005B2 (en) 2003-12-23 2007-05-29 Lamb David J Hybrid lightguide backlight
US7303322B2 (en) 2003-12-23 2007-12-04 3M Innovative Properties Company Multiple lightguide backlight
US20060221610A1 (en) * 2005-04-01 2006-10-05 Chew Tong F Light-emitting apparatus having a plurality of overlapping panels forming recesses from which light is emitted
KR100781350B1 (ko) 2005-12-26 2007-11-30 주식회사 바다테크 고휘도 백라이트장치
KR20070096457A (ko) * 2006-03-24 2007-10-02 엘지전자 주식회사 광 파이프를 이용한 면 광원 장치, 이를 구비한 백라이트유닛 및 액정 표시 장치
CN101681057B (zh) * 2007-05-20 2012-07-04 3M创新有限公司 光循环型薄壁中空腔体背光源
WO2009105450A1 (fr) * 2008-02-22 2009-08-27 3M Innovative Properties Company Rétroéclairages ayant des répartitions de flux lumineux de sortie sélectionnées et systèmes d’affichage qui utilisent ces rétroéclairages
JP2011134481A (ja) * 2009-12-22 2011-07-07 Lecip Holdings Corp 照明装置
KR101037514B1 (ko) * 2010-07-30 2011-05-26 변종익 직물원단 먼지 제거장치
CN104597555B (zh) * 2014-12-02 2019-01-15 深圳市华星光电技术有限公司 导光板、背光模组及液晶显示装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4787708A (en) * 1987-05-08 1988-11-29 Tir Systems Ltd. Apparatus for continuously controlled emission of light from prism light guide
JP3391483B2 (ja) * 1992-11-20 2003-03-31 ミネソタ マイニング アンド マニュファクチャリング カンパニー ライトボックス
JP3362900B2 (ja) * 1993-03-09 2003-01-07 富士通株式会社 面発光装置
JPH11142845A (ja) * 1997-11-07 1999-05-28 Toshiba Corp バックライトユニットおよびこれを備えた液晶表示装置

Also Published As

Publication number Publication date
CN1444711A (zh) 2003-09-24
WO2002008663A2 (fr) 2002-01-31
JP4485026B2 (ja) 2010-06-16
JP2002050220A (ja) 2002-02-15
KR20030026325A (ko) 2003-03-31
AU2001282930A1 (en) 2002-02-05
EP1303725A2 (fr) 2003-04-23
WO2002008663A3 (fr) 2002-05-30
CN1211675C (zh) 2005-07-20

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Legal Events

Date Code Title Description
GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees