WO2009017072A1 - 照明装置および液晶表示装置 - Google Patents
照明装置および液晶表示装置 Download PDFInfo
- Publication number
- WO2009017072A1 WO2009017072A1 PCT/JP2008/063447 JP2008063447W WO2009017072A1 WO 2009017072 A1 WO2009017072 A1 WO 2009017072A1 JP 2008063447 W JP2008063447 W JP 2008063447W WO 2009017072 A1 WO2009017072 A1 WO 2009017072A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- light emitting
- area
- light source
- illuminating device
- Prior art date
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
- G02B6/0001—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
- G02B6/008—Side-by-side arrangements, e.g. for large area displays of the partially overlapping type
-
- 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)
Abstract
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/595,798 US8040459B2 (en) | 2007-07-27 | 2008-07-25 | Illuminating device and liquid crystal display device |
JP2009525381A JP4886038B2 (ja) | 2007-07-27 | 2008-07-25 | 照明装置および液晶表示装置 |
EP08791691.2A EP2138762B1 (en) | 2007-07-27 | 2008-07-25 | Illuminating device and liquid crystal display device |
CN2008800164470A CN101680634B (zh) | 2007-07-27 | 2008-07-25 | 照明装置和液晶显示装置 |
US13/228,558 US8462293B2 (en) | 2007-07-27 | 2011-09-09 | Illuminating device and liquid crystal display device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-196667 | 2007-07-27 | ||
JP2007196667 | 2007-07-27 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/595,798 A-371-Of-International US8040459B2 (en) | 2007-07-27 | 2008-07-25 | Illuminating device and liquid crystal display device |
US13/228,558 Continuation US8462293B2 (en) | 2007-07-27 | 2011-09-09 | Illuminating device and liquid crystal display device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009017072A1 true WO2009017072A1 (ja) | 2009-02-05 |
Family
ID=40304303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/063447 WO2009017072A1 (ja) | 2007-07-27 | 2008-07-25 | 照明装置および液晶表示装置 |
Country Status (5)
Country | Link |
---|---|
US (2) | US8040459B2 (ja) |
EP (1) | EP2138762B1 (ja) |
JP (1) | JP4886038B2 (ja) |
CN (2) | CN102289027B (ja) |
WO (1) | WO2009017072A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2228594A1 (en) * | 2009-03-10 | 2010-09-15 | LG Innotek Co., Ltd. | Light source with light guide plates and display device having the same |
WO2011013885A1 (en) | 2009-07-31 | 2011-02-03 | Lg Electronics Inc. | Backlight unit and display apparatus incliding the same |
JP2011029182A (ja) * | 2009-07-28 | 2011-02-10 | Lg Innotek Co Ltd | ライトユニット及びこれを具備した表示装置 |
JP2011238608A (ja) * | 2010-05-04 | 2011-11-24 | Lg Innotek Co Ltd | バックライトユニット及び表示装置 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009147877A1 (ja) * | 2008-06-04 | 2009-12-10 | シャープ株式会社 | 導光体、照明装置、および液晶表示装置 |
JP2012119060A (ja) * | 2009-03-25 | 2012-06-21 | Stanley Electric Co Ltd | 面光源装置 |
JP5751922B2 (ja) * | 2011-05-09 | 2015-07-22 | キヤノン株式会社 | 発光装置および表示装置 |
EP2936477B1 (en) * | 2012-12-18 | 2017-08-30 | Philips Lighting Holding B.V. | Product having a luminous surface provided by a light guide |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11288611A (ja) | 1998-03-31 | 1999-10-19 | Nitto Jushi Kogyo Kk | タンデム型面光源装置 |
JP2001281456A (ja) * | 2000-03-30 | 2001-10-10 | Enplas Corp | 導光板、面光源装置及び表示装置 |
JP2003043266A (ja) | 2001-05-22 | 2003-02-13 | Nichia Chem Ind Ltd | 面発光装置の導光板 |
JP2003132722A (ja) | 2001-10-22 | 2003-05-09 | Advanced Display Inc | 面状光源装置及びこれを備えた液晶表示装置 |
JP2006522436A (ja) | 2003-03-31 | 2006-09-28 | オスラム オプト セミコンダクターズ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 照明装置を製作するための方法および照明装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4262368B2 (ja) | 1999-09-22 | 2009-05-13 | 株式会社日立製作所 | 照明装置、及びこれを用いた表示装置 |
US6414761B1 (en) * | 2000-03-06 | 2002-07-02 | Illinois Tool Works Inc. | Secure holographic images on paper |
US6904225B2 (en) * | 2001-05-22 | 2005-06-07 | Nichia Corporation | Optical waveguide plate of surface light emitting apparatus |
JP3864862B2 (ja) * | 2002-04-04 | 2007-01-10 | セイコーエプソン株式会社 | 電気光学装置及び電子機器 |
KR101075232B1 (ko) * | 2004-02-06 | 2011-10-20 | 삼성전자주식회사 | 도광판, 백라이트 유닛, 액정디스플레이 및 도광판의제조방법 |
DE102004046696A1 (de) * | 2004-05-24 | 2005-12-29 | Osram Opto Semiconductors Gmbh | Verfahren zur Montage eines Oberflächenleuchtsystems und Oberflächenleuchtsystem |
JP4169000B2 (ja) * | 2004-12-02 | 2008-10-22 | セイコーエプソン株式会社 | 照明装置および導光板 |
US7311431B2 (en) | 2005-04-01 | 2007-12-25 | Avago Technologies Ecbu Ip Pte Ltd | Light-emitting apparatus having a plurality of adjacent, overlapping light-guide plates |
JP2007080544A (ja) * | 2005-09-09 | 2007-03-29 | Citizen Electronics Co Ltd | 照明装置 |
WO2007046341A1 (ja) * | 2005-10-17 | 2007-04-26 | Pioneer Corporation | 表示装置、液晶表示装置、位置検出システムおよび位置検出方法 |
JP4623733B2 (ja) | 2005-11-04 | 2011-02-02 | シチズン電子株式会社 | バックライトユニット及びそれを備えた表示機器 |
CN101490470B (zh) * | 2006-10-27 | 2011-06-22 | 夏普株式会社 | 光源装置、背光源装置和液晶显示装置 |
CN101479525B (zh) * | 2006-10-27 | 2012-02-08 | 夏普株式会社 | 照明装置和液晶显示装置 |
US8436962B2 (en) * | 2007-07-27 | 2013-05-07 | Sharp Kabushiki Kaisha | Illumination device and liquid crystal display device |
-
2008
- 2008-07-25 EP EP08791691.2A patent/EP2138762B1/en not_active Not-in-force
- 2008-07-25 WO PCT/JP2008/063447 patent/WO2009017072A1/ja active Application Filing
- 2008-07-25 CN CN201110219801.3A patent/CN102289027B/zh not_active Expired - Fee Related
- 2008-07-25 CN CN2008800164470A patent/CN101680634B/zh not_active Expired - Fee Related
- 2008-07-25 US US12/595,798 patent/US8040459B2/en not_active Expired - Fee Related
- 2008-07-25 JP JP2009525381A patent/JP4886038B2/ja not_active Expired - Fee Related
-
2011
- 2011-09-09 US US13/228,558 patent/US8462293B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11288611A (ja) | 1998-03-31 | 1999-10-19 | Nitto Jushi Kogyo Kk | タンデム型面光源装置 |
JP2001281456A (ja) * | 2000-03-30 | 2001-10-10 | Enplas Corp | 導光板、面光源装置及び表示装置 |
JP2003043266A (ja) | 2001-05-22 | 2003-02-13 | Nichia Chem Ind Ltd | 面発光装置の導光板 |
JP2003132722A (ja) | 2001-10-22 | 2003-05-09 | Advanced Display Inc | 面状光源装置及びこれを備えた液晶表示装置 |
JP2006522436A (ja) | 2003-03-31 | 2006-09-28 | オスラム オプト セミコンダクターズ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 照明装置を製作するための方法および照明装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2138762A4 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2228594A1 (en) * | 2009-03-10 | 2010-09-15 | LG Innotek Co., Ltd. | Light source with light guide plates and display device having the same |
CN101832491A (zh) * | 2009-03-10 | 2010-09-15 | Lg伊诺特有限公司 | 光源和具有该光源的显示设备 |
US8469576B2 (en) | 2009-03-10 | 2013-06-25 | Lg Innotek Co., Ltd. | Light source and display device having the same |
JP2011029182A (ja) * | 2009-07-28 | 2011-02-10 | Lg Innotek Co Ltd | ライトユニット及びこれを具備した表示装置 |
WO2011013885A1 (en) | 2009-07-31 | 2011-02-03 | Lg Electronics Inc. | Backlight unit and display apparatus incliding the same |
EP2460049A4 (en) * | 2009-07-31 | 2015-08-19 | Lg Electronics Inc | BACKLIGHT UNIT AND DISPLAY APPARATUS INCLUDING THE SAME |
JP2011238608A (ja) * | 2010-05-04 | 2011-11-24 | Lg Innotek Co Ltd | バックライトユニット及び表示装置 |
Also Published As
Publication number | Publication date |
---|---|
US20100134718A1 (en) | 2010-06-03 |
US8462293B2 (en) | 2013-06-11 |
EP2138762A1 (en) | 2009-12-30 |
US8040459B2 (en) | 2011-10-18 |
EP2138762B1 (en) | 2013-05-29 |
CN101680634A (zh) | 2010-03-24 |
CN101680634B (zh) | 2011-09-21 |
CN102289027A (zh) | 2011-12-21 |
US20120063162A1 (en) | 2012-03-15 |
CN102289027B (zh) | 2014-07-09 |
EP2138762A4 (en) | 2011-04-20 |
JPWO2009017072A1 (ja) | 2010-10-21 |
JP4886038B2 (ja) | 2012-02-29 |
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