AU2001282930A1 - Hollow surface illuminator - Google Patents

Hollow surface illuminator

Info

Publication number: AU2001282930A1
Authority: AU; Australia
Prior art keywords: hollow surface; surface illuminator; illuminator; hollow
Prior art date: 2000-07-26
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.): Abandoned

Application number

AU2001282930A

Inventor

Kazuhiko Toyooka

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.)

3M Innovative Properties Co

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.)

2000-07-26

Filing date

2001-07-20

Publication date

2002-02-05

2001-07-20 Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co

2002-02-05 Publication of AU2001282930A1 publication Critical patent/AU2001282930A1/en

Status Abandoned legal-status Critical Current

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)
Liquid Crystal (AREA)
Light Guides In General And Applications Therefor (AREA)

AU2001282930A 2000-07-26 2001-07-20 Hollow surface illuminator Abandoned AU2001282930A1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP2000-225276		2000-07-26
JP2000225276A JP4485026B2 (en)	2000-07-26	2000-07-26	Light guiding unit
PCT/US2001/023022 WO2002008663A2 (en)	2000-07-26	2001-07-20	Hollow surface illuminator

Publications (1)

Publication Number	Publication Date
AU2001282930A1 true AU2001282930A1 (en)	2002-02-05

Family

ID=18719076

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU2001282930A Abandoned AU2001282930A1 (en)	2000-07-26	2001-07-20	Hollow surface illuminator

Country Status (7)

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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IL161732A0 (en) *	2001-11-02	2005-11-20	Honeywell Int Inc	Hollow wedge shape light guide for back illumination
EP1493050B1 (en) *	2002-03-28	2011-10-05	Koninklijke Philips Electronics N.V.	Compact lighting system and display device
US7303322B2 (en)	2003-12-23	2007-12-04	3M Innovative Properties Company	Multiple lightguide backlight
US7223005B2 (en)	2003-12-23	2007-05-29	Lamb David J	Hybrid 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 (en)	2005-12-26	2007-11-30	주식회사 바다테크	High brightness backlight device
KR20070096457A (en) *	2006-03-24	2007-10-02	엘지전자 주식회사	Surface light source device using light pipe, backlight unit and liquid crystal display device having same
EP2487535A1 (en) *	2007-05-20	2012-08-15	3M Innovative Properties Company	Design parameters for backlights, which have a thin hollow cavity and recycle the light
JP5792464B2 (en) *	2008-02-22	2015-10-14	スリーエムイノベイティブプロパティズカンパニー	BACKLIGHT HAVING SELECTIVE OUTPUT LIGHT DISTRIBUTION, DISPLAY SYSTEM USING SAME, AND METHOD FOR FORMING BACKLIGHT
JP2011134481A (en) *	2009-12-22	2011-07-07	Lecip Holdings Corp	Lighting system
KR101037514B1 (en) *	2010-07-30	2011-05-26	변종익	Fabric Fabric Dust Removal Device
CN104597555B (en) *	2014-12-02	2019-01-15	深圳市华星光电技术有限公司	Light guide plate, backlight module and liquid crystal display device

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 (en) *	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	light box
JP3362900B2 (en) *	1993-03-09	2003-01-07	富士通株式会社	Surface emitting device
JPH11142845A (en) *	1997-11-07	1999-05-28	Toshiba Corp	Backlight unit and liquid crystal display device having the same

2000
- 2000-07-26 JP JP2000225276A patent/JP4485026B2/en not_active Expired - Fee Related
2001
- 2001-07-20 EP EP01961683A patent/EP1303725A2/en not_active Withdrawn
- 2001-07-20 AU AU2001282930A patent/AU2001282930A1/en not_active Abandoned
- 2001-07-20 CN CNB018133657A patent/CN1211675C/en not_active Expired - Fee Related
- 2001-07-20 KR KR10-2003-7001127A patent/KR20030026325A/en not_active Ceased
- 2001-07-20 WO PCT/US2001/023022 patent/WO2002008663A2/en not_active Ceased
- 2001-07-25 TW TW090118188A patent/TW512292B/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
JP4485026B2 (en)	2010-06-16
CN1211675C (en)	2005-07-20
JP2002050220A (en)	2002-02-15
TW512292B (en)	2002-12-01
KR20030026325A (en)	2003-03-31
EP1303725A2 (en)	2003-04-23
WO2002008663A3 (en)	2002-05-30
WO2002008663A2 (en)	2002-01-31
CN1444711A (en)	2003-09-24

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AU2001267941A1 (en)	2001-12-11	Sailcraft