AU2003252482A1 - Light guide device and display device - Google Patents

Light guide device and display device

Info

Publication number
AU2003252482A1
AU2003252482A1 AU2003252482A AU2003252482A AU2003252482A1 AU 2003252482 A1 AU2003252482 A1 AU 2003252482A1 AU 2003252482 A AU2003252482 A AU 2003252482A AU 2003252482 A AU2003252482 A AU 2003252482A AU 2003252482 A1 AU2003252482 A1 AU 2003252482A1
Authority
AU
Australia
Prior art keywords
light guide
display device
guide device
display
light
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.)
Abandoned
Application number
AU2003252482A
Inventor
Kenichi Iwauchi
Yuji Maruo
Atsushi Yamanaka
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Publication of AU2003252482A1 publication Critical patent/AU2003252482A1/en
Abandoned legal-status Critical Current

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
    • G02B6/0013—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
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4214—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
AU2003252482A 2002-07-11 2003-07-08 Light guide device and display device Abandoned AU2003252482A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002-202594 2002-07-11
JP2002202594 2002-07-11
PCT/JP2003/008680 WO2004008023A1 (en) 2002-07-11 2003-07-08 Light guide device and display device

Publications (1)

Publication Number Publication Date
AU2003252482A1 true AU2003252482A1 (en) 2004-02-02

Family

ID=30112633

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003252482A Abandoned AU2003252482A1 (en) 2002-07-11 2003-07-08 Light guide device and display device

Country Status (3)

Country Link
AU (1) AU2003252482A1 (en)
TW (1) TWI234633B (en)
WO (1) WO2004008023A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004309635A (en) * 2003-04-03 2004-11-04 Samsung Electronics Co Ltd Optical scanner
JP2006100102A (en) * 2004-09-29 2006-04-13 Minebea Co Ltd Planar lighting system
KR100699266B1 (en) 2005-09-09 2007-03-27 삼성전자주식회사 Backlight unit and display device having the same
US8791645B2 (en) 2006-02-10 2014-07-29 Honeywell International Inc. Systems and methods for controlling light sources
KR101421420B1 (en) 2006-06-22 2014-07-29 코닌클리케 필립스 엔.브이. Symmetrical light guide structure for led based ambilight
WO2008007294A2 (en) 2006-07-07 2008-01-17 Koninklijke Philips Electronics N.V. Dual layer light guide structure for led based ambilight
US8085359B2 (en) * 2008-04-16 2011-12-27 Honeywell International Inc. Folded backlight systems having low index regions that prevent light failing to meet total internal reflection conditions from entering a plate portion and liquid crystal displays using the same
TWI382200B (en) * 2008-10-29 2013-01-11 E Ten Information Sys Co Ltd Device for indicator
CN103370569B (en) * 2011-02-15 2015-07-22 三菱电机株式会社 Surface light source device and liquid crystal display device
CN115407558A (en) * 2022-08-30 2022-11-29 苏州华星光电技术有限公司 Display device and electronic equipment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69433600T2 (en) * 1993-03-16 2005-02-03 Seiko Epson Corp. Projection display device
JPH1064321A (en) * 1996-08-22 1998-03-06 Omron Corp Light guide device, liquid crystal display device, and electronic device
JP3743990B2 (en) * 1997-04-10 2006-02-08 オムロン株式会社 Surface light source device
JP4006918B2 (en) * 2000-02-28 2007-11-14 オムロン株式会社 Surface light source device and manufacturing method thereof
JP2001307526A (en) * 2000-04-20 2001-11-02 Fujitsu Kasei Kk Backlight-type illuminating apparatuas
JP4483020B2 (en) * 2000-04-21 2010-06-16 パナソニック株式会社 Surface emitting device
JP2002100224A (en) * 2000-09-22 2002-04-05 Shimada Precision Kk Point-to-line light source converting light guide body
JP2002140913A (en) * 2000-10-31 2002-05-17 Alps Electric Co Ltd Face light emitting device and liquid crystal display device

Also Published As

Publication number Publication date
WO2004008023A1 (en) 2004-01-22
TWI234633B (en) 2005-06-21
TW200409882A (en) 2004-06-16

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase