JP4627319B2 - 照明装置およびそれを用いた表示装置 - Google Patents
照明装置およびそれを用いた表示装置 Download PDFInfo
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- JP4627319B2 JP4627319B2 JP2007538649A JP2007538649A JP4627319B2 JP 4627319 B2 JP4627319 B2 JP 4627319B2 JP 2007538649 A JP2007538649 A JP 2007538649A JP 2007538649 A JP2007538649 A JP 2007538649A JP 4627319 B2 JP4627319 B2 JP 4627319B2
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- light guide
- light
- reflecting member
- insulating
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Images
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
- G02B6/0066—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
- G02B6/0033—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
- G02B6/0055—Reflecting 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
- G02B6/0011—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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
-
- 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
- G02B6/0073—Light emitting diode [LED]
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Description
図1は、本発明の一実施形態にかかる照明装置としてのバックライト装置10の概略構成を示す分解斜視図である。図1に示すように、バックライト装置10は、導光体11と、絶縁性反射シート12と、金属反射シート13と、枠体14と、LEDユニット20とを備えている。なお、図1においては、LEDユニット20を1つだけ図示したが、LEDユニット20は、導光体11の両側面に設けられている(図2参照)。LEDユニット20の構成は、図7に示したとおりであり、LED22(発光素子)としては、白色LEDや、RGBの各色光を発光するLEDが用いられる。
本発明にかかる照明装置の他の実施形態について以下に説明する。なお、実施形態1において説明した構成と同様の構成については、実施形態1と同じ参照符号を付記し、詳細な説明を省略する。図4は、本実施形態にかかる照明装置としてのバックライト装置40の断面図である。
本発明にかかる照明装置の他の実施形態について以下に説明する。なお、実施形態1において説明した構成と同様の構成については、実施形態1と同じ参照符号を付記し、詳細な説明を省略する。図5は、本実施形態にかかる照明装置としてのバックライト装置50の断面図である。
本発明にかかる照明装置を備えた液晶表示装置の一実施形態について説明する。なお、前述の各実施形態において説明した構成と同様の構成については、それらの実施形態と同じ参照符号を付記し、詳細な説明を省略する。
Claims (5)
- 導光体と、前記導光体の側面に対向して設置された発光素子とを備え、前記発光素子から前記側面へ入射された光を前記導光体内部で伝搬させることにより、前記導光体の一主面から面状光を出射する照明装置において、
前記導光体の一主面と対向する主面の外側に設置された絶縁性反射部材と、
前記絶縁性反射部材における前記導光体と反対側に積層された金属反射部材とを備え、
前記発光素子は、前記導光体の側面に対向する位置に配線用端子を有し、
前記金属反射部材が導電性を有し、
前記導光体において前記発光素子に対向する側面の法線方向における前記金属反射部材の長さが、前記絶縁性反射部材の長さよりも短い、
ことを特徴とする照明装置。 - 前記金属反射部材の端部と前記配線用端子との間に絶縁部材が設けられた、請求項1に記載の照明装置。
- 前記発光素子は、前記導光体の側面に対向する位置に配線用端子を有し、
前記金属反射部材が導電性を有し、
前記金属反射部材の端部と前記配線用端子との間に、前記絶縁性反射部材の端部が介在する、請求項1に記載の照明装置。 - 前記導光体において前記発光素子に対向する側面の法線方向における前記絶縁性反射部材の端部と前記金属反射部材との間に、前記絶縁性反射部材の前記端部を前記発光素子側へ押圧する押圧部材が設けられた、請求項1に記載の照明装置。
- 請求項1〜4のいずれか一項に記載の照明装置と、液晶表示素子とを備えた液晶表示装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005287482 | 2005-09-30 | ||
JP2005287482 | 2005-09-30 | ||
PCT/JP2006/314274 WO2007039975A1 (ja) | 2005-09-30 | 2006-07-19 | 照明装置およびそれを用いた表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2007039975A1 JPWO2007039975A1 (ja) | 2009-04-16 |
JP4627319B2 true JP4627319B2 (ja) | 2011-02-09 |
Family
ID=37906021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007538649A Expired - Fee Related JP4627319B2 (ja) | 2005-09-30 | 2006-07-19 | 照明装置およびそれを用いた表示装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7911559B2 (ja) |
JP (1) | JP4627319B2 (ja) |
CN (1) | CN100587322C (ja) |
WO (1) | WO2007039975A1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010092688A (ja) * | 2008-10-07 | 2010-04-22 | Fujifilm Corp | Ledアレイユニットおよびこれを使用した面状照明装置 |
EP2340182A1 (fr) * | 2008-10-22 | 2011-07-06 | Johnson Controls Technology Company | Dispositif d'affichage et procede de fabrication |
WO2011089805A1 (ja) | 2010-01-22 | 2011-07-28 | シャープ株式会社 | 照明装置、表示装置およびテレビ受信装置 |
KR20110108832A (ko) * | 2010-03-30 | 2011-10-06 | 엘지이노텍 주식회사 | 발광 소자, 라이트 유닛 및 이를 구비한 표시 장치 |
EP2390693B1 (en) * | 2010-05-25 | 2022-11-23 | Suzhou Lekin Semiconductor Co., Ltd. | Backlight unit and display device |
CN102376204A (zh) * | 2010-08-12 | 2012-03-14 | 鸿富锦精密工业(深圳)有限公司 | 显示装置 |
JP5032651B2 (ja) | 2010-12-27 | 2012-09-26 | 株式会社東芝 | テレビジョン受像機、及び電子機器 |
JP2012137672A (ja) * | 2010-12-27 | 2012-07-19 | Toshiba Corp | 電子機器 |
JP5159872B2 (ja) | 2010-12-27 | 2013-03-13 | 株式会社東芝 | テレビジョン受像機 |
AT512741B1 (de) * | 2012-04-02 | 2014-05-15 | Linda Czapka | Glasverbund mit Funktionselement |
JP6167629B2 (ja) | 2013-04-12 | 2017-07-26 | 船井電機株式会社 | 表示装置 |
US9817177B2 (en) * | 2013-05-28 | 2017-11-14 | Sakai Display Products Corporation | Light source device and display apparatus |
JP6551831B2 (ja) * | 2015-05-22 | 2019-07-31 | パナソニックIpマネジメント株式会社 | 照明器具 |
CN112015009A (zh) | 2020-09-23 | 2020-12-01 | 武汉华星光电技术有限公司 | 背光模组及显示装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11237630A (ja) * | 1998-02-20 | 1999-08-31 | Sanyo Electric Co Ltd | 液晶表示装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11224517A (ja) | 1997-12-02 | 1999-08-17 | Toshiba Electronic Engineering Corp | 面光源装置及びこれを用いた平面表示装置 |
JP2002075038A (ja) | 2000-09-05 | 2002-03-15 | Sony Corp | バックライトユニット及びこれを用いた液晶表示装置 |
JP2003156739A (ja) | 2001-11-21 | 2003-05-30 | Kawaguchiko Seimitsu Co Ltd | 液晶表示装置 |
JP2003279972A (ja) | 2002-03-20 | 2003-10-02 | Kawaguchiko Seimitsu Co Ltd | 液晶表示装置 |
EP2204723A3 (en) * | 2002-10-16 | 2010-07-21 | Alps Electric Co., Ltd. | Transparent coordinate input device |
JP4765837B2 (ja) * | 2006-08-23 | 2011-09-07 | ソニー株式会社 | バックライト装置及び液晶表示装置 |
-
2006
- 2006-07-19 CN CN200680036272A patent/CN100587322C/zh not_active Expired - Fee Related
- 2006-07-19 WO PCT/JP2006/314274 patent/WO2007039975A1/ja active Application Filing
- 2006-07-19 US US12/088,478 patent/US7911559B2/en not_active Expired - Fee Related
- 2006-07-19 JP JP2007538649A patent/JP4627319B2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11237630A (ja) * | 1998-02-20 | 1999-08-31 | Sanyo Electric Co Ltd | 液晶表示装置 |
Also Published As
Publication number | Publication date |
---|---|
US20090231513A1 (en) | 2009-09-17 |
WO2007039975A1 (ja) | 2007-04-12 |
JPWO2007039975A1 (ja) | 2009-04-16 |
US7911559B2 (en) | 2011-03-22 |
CN100587322C (zh) | 2010-02-03 |
CN101278151A (zh) | 2008-10-01 |
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