JP2011141439A - 液晶表示装置 - Google Patents
液晶表示装置 Download PDFInfo
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- JP2011141439A JP2011141439A JP2010002135A JP2010002135A JP2011141439A JP 2011141439 A JP2011141439 A JP 2011141439A JP 2010002135 A JP2010002135 A JP 2010002135A JP 2010002135 A JP2010002135 A JP 2010002135A JP 2011141439 A JP2011141439 A JP 2011141439A
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- Prior art keywords
- light
- light emitting
- liquid crystal
- crystal display
- emitting diode
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- 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]
-
- 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
- G02B6/0031—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
- G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like
-
- 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
- G02B6/009—Positioning aspects of the light source in the package
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
薄型化及び狭額縁化を実現しながら、バックライトの輝度低下を抑制することが可能な液晶表示装置を提供すること。
【解決手段】
液晶表示パネルと、該液晶表示パネルの裏面に照明光を照射するバックライトとを有する液晶表示装置において、該バックライトは、フレキシブル・プリント回路FPCの表面に固着された発光ダイオードLEDと、該発光ダイオードからの出射光を導光する導光板とを備え、該フレキシブル・プリント回路には、該発光ダイオードと該導光板との隙間に位置する部分に開口部(1,2)を形成し、該開口部の形状は、一部が発光ダイオードの発光域(EA)側の端面に掛かるよう構成されており、該フレキシブル・プリント回路の裏面側で該開口部の位置する部分には反射部材3が配置されていることを特徴とする。
【選択図】図7
Description
図7は、本発明の液晶表示装置の一部、特に、発光ダイオードを配置したフレキシブル・プリント回路の様子を説明する斜視図である。
3 反射部材
EA 発光ダイオードの発光域
FPC フレキシブル・プリント回路
LED 発光ダイオード
LG 導光板
RS 反射シート
Claims (3)
- 液晶表示パネルと、該液晶表示パネルの裏面に照明光を照射するバックライトとを有する液晶表示装置において、
該バックライトは、フレキシブル・プリント回路の表面に固着された発光ダイオードと、該発光ダイオードからの出射光を導光する導光板とを備え、
該フレキシブル・プリント回路には、該発光ダイオードと該導光板との隙間に位置する部分に開口部を形成し、該開口部の形状は、一部が発光ダイオードの発光域側の端面に掛かるよう構成されており、
該フレキシブル・プリント回路の裏面側で該開口部の位置する部分には反射部材が配置されていることを特徴とする液晶表示装置。 - 請求項1に記載の液晶表示装置において、該反射部材は、該バックライトの周辺部分を遮光する遮光シートと兼用されていることを特徴とする液晶表示装置。
- 請求項1に記載の液晶表示装置において、該開口部の形状は、該発光ダイオードの発光域の幅より長いスリット状、又は、該発光ダイオード側より該導光板側の方が幅が広いテーパ状であることを特徴とする液晶表示装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010002135A JP5586237B2 (ja) | 2010-01-07 | 2010-01-07 | 液晶表示装置 |
US12/984,626 US8441596B2 (en) | 2010-01-07 | 2011-01-05 | Liquid crystal display device having backlight with reflective member |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010002135A JP5586237B2 (ja) | 2010-01-07 | 2010-01-07 | 液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011141439A true JP2011141439A (ja) | 2011-07-21 |
JP5586237B2 JP5586237B2 (ja) | 2014-09-10 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010002135A Active JP5586237B2 (ja) | 2010-01-07 | 2010-01-07 | 液晶表示装置 |
Country Status (2)
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US (1) | US8441596B2 (ja) |
JP (1) | JP5586237B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015092551A (ja) * | 2013-10-03 | 2015-05-14 | 日亜化学工業株式会社 | 発光装置実装構造体 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8979347B2 (en) | 2012-04-24 | 2015-03-17 | Qualcomm Mems Technologies, Inc. | Illumination systems and methods |
US9223080B2 (en) | 2012-04-24 | 2015-12-29 | Qualcomm Mems Technologies, Inc. | Light guide with narrow angle light output and methods |
US20130278846A1 (en) * | 2012-04-24 | 2013-10-24 | Qualcomm Mems Technologies, Inc. | Illumination systems and methods |
US10823895B2 (en) | 2014-01-29 | 2020-11-03 | E Ink Holdings Inc. | Light-emitting module |
TWI526743B (zh) | 2014-01-29 | 2016-03-21 | 元太科技工業股份有限公司 | 發光模組 |
KR20150093276A (ko) * | 2014-02-06 | 2015-08-18 | 삼성디스플레이 주식회사 | 표시장치 |
CN112904616A (zh) * | 2019-11-19 | 2021-06-04 | 宸美(厦门)光电有限公司 | 导光结构 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003156739A (ja) * | 2001-11-21 | 2003-05-30 | Kawaguchiko Seimitsu Co Ltd | 液晶表示装置 |
JP2004095422A (ja) * | 2002-09-02 | 2004-03-25 | Sharp Corp | 照明装置 |
JP2005293925A (ja) * | 2004-03-31 | 2005-10-20 | Sharp Corp | 照明装置および液晶表示装置 |
JP2007026859A (ja) * | 2005-07-15 | 2007-02-01 | Minebea Co Ltd | 面状照明装置 |
JP2007066605A (ja) * | 2005-08-30 | 2007-03-15 | Optrex Corp | 面状照明装置 |
JP2007280620A (ja) * | 2006-04-03 | 2007-10-25 | Epson Imaging Devices Corp | 照明装置及び液晶表示装置 |
JP2009004214A (ja) * | 2007-06-21 | 2009-01-08 | Sharp Corp | 基板、基板ユニット、バックライトユニット、および液晶表示装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW305035B (ja) * | 1993-01-19 | 1997-05-11 | Canon Kk | |
US7557781B2 (en) * | 2003-01-06 | 2009-07-07 | Tpo Displays Corp. | Planar display structure with LED light source |
KR101739711B1 (ko) * | 2003-09-29 | 2017-05-24 | 가부시키가이샤 니콘 | 노광장치, 노광방법 및 디바이스 제조방법 |
JP2008170739A (ja) | 2007-01-12 | 2008-07-24 | Hitachi Displays Ltd | 液晶表示装置 |
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2010
- 2010-01-07 JP JP2010002135A patent/JP5586237B2/ja active Active
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2011
- 2011-01-05 US US12/984,626 patent/US8441596B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003156739A (ja) * | 2001-11-21 | 2003-05-30 | Kawaguchiko Seimitsu Co Ltd | 液晶表示装置 |
JP2004095422A (ja) * | 2002-09-02 | 2004-03-25 | Sharp Corp | 照明装置 |
JP2005293925A (ja) * | 2004-03-31 | 2005-10-20 | Sharp Corp | 照明装置および液晶表示装置 |
JP2007026859A (ja) * | 2005-07-15 | 2007-02-01 | Minebea Co Ltd | 面状照明装置 |
JP2007066605A (ja) * | 2005-08-30 | 2007-03-15 | Optrex Corp | 面状照明装置 |
JP2007280620A (ja) * | 2006-04-03 | 2007-10-25 | Epson Imaging Devices Corp | 照明装置及び液晶表示装置 |
JP2009004214A (ja) * | 2007-06-21 | 2009-01-08 | Sharp Corp | 基板、基板ユニット、バックライトユニット、および液晶表示装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015092551A (ja) * | 2013-10-03 | 2015-05-14 | 日亜化学工業株式会社 | 発光装置実装構造体 |
Also Published As
Publication number | Publication date |
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US20110164202A1 (en) | 2011-07-07 |
JP5586237B2 (ja) | 2014-09-10 |
US8441596B2 (en) | 2013-05-14 |
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