JP4579146B2 - 表示装置および面状光源装置 - Google Patents
表示装置および面状光源装置 Download PDFInfo
- Publication number
- JP4579146B2 JP4579146B2 JP2005352167A JP2005352167A JP4579146B2 JP 4579146 B2 JP4579146 B2 JP 4579146B2 JP 2005352167 A JP2005352167 A JP 2005352167A JP 2005352167 A JP2005352167 A JP 2005352167A JP 4579146 B2 JP4579146 B2 JP 4579146B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- film
- light guide
- incident
- light source
- 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.)
- Active
Links
- 239000010408 film Substances 0.000 description 307
- 238000010586 diagram Methods 0.000 description 41
- 239000004973 liquid crystal related substance Substances 0.000 description 24
- 230000010287 polarization Effects 0.000 description 19
- 238000000034 method Methods 0.000 description 15
- 230000001788 irregular Effects 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 10
- 230000001902 propagating effect Effects 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- 230000000644 propagated effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
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
- G02B6/0013—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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- 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
- G02B6/0033—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
-
- 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
- G02B6/0066—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Light Guides In General And Applications Therefor (AREA)
Description
なお、実施例を説明するための全図において、同一機能を有するものは、同一符号を付け、その繰り返しの説明は省略する。
図1において、1は表示パネル、201は光照射部、201aは導光部材(導光フィルム)、201bは光半透過部材(光半透過フィルム)、201cは反射部材(反射フィルム)、3A,3Bは偏光板フィルムである。
201…バックライトの光照射部
201a…導光部材(導光フィルム)
201b…光半透過部材(光半透過フィルム)
201c…反射部材(反射フィルム)
201d…偏光反射フィルム
201e…導光板
201f…出射光調整部材
202…光源(点光源)
202a…発光素子(LEDチップ)
203…フレキシブル回路基板
204…反射板
204a,204b…反射面
205…入射光調整部材
205a…入射光調整部材の突起
206…光学接着剤
207…反射シート
208…接着剤
209…プリズムシート
3A,3B…偏光板
4…光
TH…貫通穴
RP…乱反射パターン
BP…遮光パターン
IR…照射領域
Claims (5)
- 光源と、フィルム状の導光部材とを有する面状光源装置において、
前記光源は、前記導光部材のフィルム面に垂直な方向に光を出射する向きに配置され、
前記導光部材の光を入射させる領域と前記光源の光が出射する面の間に、前記導光部材への光の入射方向を、前記導光部材の光の伝播方向に変えるフィルム状の入射光調整部材を有し、
前記入射光調整部材は、前記導光部材と対向する面側に、1つまたは2つ以上の突起を有し、かつ、前記突起の先端面が前記導光部材と密着していることを特徴とする面状光源装置。 - 前記導光部材の光の出射面に、前記出射面からの出射角度を調整する出射光調整部材を有することを特徴とする請求項1に記載の面状光源装置。
- 前記導光部材の、前記入射光調整部材が配置された面の裏面であり、かつ、前記入射光調整部材と重畳する領域に反射部材を有することを特徴とする請求項1または請求項2に記載の面状光源装置。
- 前記入射光調整部材の突起は、底面が曲面状の柱状突起であることを特徴とする請求項1乃至請求項3のいずれか1項に記載の面状光源装置。
- 表示パネルと、前記表示パネルの後方に配置されたバックライトとを有する表示装置であって、
前記バックライトは、請求項1乃至請求項4のいずれか1項に記載の面状光源装置でなることを特徴とする表示装置。
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005352167A JP4579146B2 (ja) | 2005-12-06 | 2005-12-06 | 表示装置および面状光源装置 |
CN2010102870970A CN101976003A (zh) | 2005-12-06 | 2006-12-05 | 显示装置 |
CN2006101645305A CN1979309B (zh) | 2005-12-06 | 2006-12-05 | 显示装置及面状光源装置 |
TW098146493A TWI438508B (zh) | 2005-12-06 | 2006-12-06 | Surface light source device |
US11/634,262 US20070126950A1 (en) | 2005-12-06 | 2006-12-06 | Display device and planar light source device |
TW095145420A TW200734705A (en) | 2005-12-06 | 2006-12-06 | Indication apparatus and plane light source apparatus |
KR1020060123287A KR100863848B1 (ko) | 2005-12-06 | 2006-12-06 | 표시장치 및 면모양광원장치 |
US12/923,481 US20110102708A1 (en) | 2005-12-06 | 2010-09-23 | Display device and planar light source device |
US13/137,326 US8085360B2 (en) | 2005-12-06 | 2011-08-05 | Display device and planar light source device |
US13/305,578 US8416364B2 (en) | 2005-12-06 | 2011-11-28 | Display device and planar light source device |
US13/799,971 US8817205B2 (en) | 2005-12-06 | 2013-03-13 | Display device and planar light source device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005352167A JP4579146B2 (ja) | 2005-12-06 | 2005-12-06 | 表示装置および面状光源装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007157540A JP2007157540A (ja) | 2007-06-21 |
JP4579146B2 true JP4579146B2 (ja) | 2010-11-10 |
Family
ID=38118356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005352167A Active JP4579146B2 (ja) | 2005-12-06 | 2005-12-06 | 表示装置および面状光源装置 |
Country Status (5)
Country | Link |
---|---|
US (5) | US20070126950A1 (ja) |
JP (1) | JP4579146B2 (ja) |
KR (1) | KR100863848B1 (ja) |
CN (2) | CN101976003A (ja) |
TW (2) | TWI438508B (ja) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4579146B2 (ja) * | 2005-12-06 | 2010-11-10 | 株式会社 日立ディスプレイズ | 表示装置および面状光源装置 |
JP5951928B2 (ja) * | 2007-09-06 | 2016-07-13 | スリーエム イノベイティブ プロパティズ カンパニー | 光出力の領域制御を提供する光抽出構造体を有する光ガイド |
KR20090059996A (ko) * | 2007-12-07 | 2009-06-11 | 삼성전자주식회사 | 백라이트유닛 및 이를 갖는 평판표시장치 |
CN101487972B (zh) * | 2008-01-18 | 2014-09-10 | 北京京东方光电科技有限公司 | 可调节透过率的掩模板的掩模方法 |
TWI612348B (zh) * | 2008-02-07 | 2018-01-21 | Sony Corp | 導光板及導光板之製造方法、以及液晶顯示裝置 |
JP5190735B2 (ja) * | 2008-03-06 | 2013-04-24 | Nltテクノロジー株式会社 | バックライト及び液晶表示装置 |
JP4528902B2 (ja) * | 2008-08-06 | 2010-08-25 | 株式会社オプトデザイン | 光源装置、照明装置および表示装置 |
JP2010049989A (ja) * | 2008-08-22 | 2010-03-04 | Fujikura Ltd | 面状発光装置 |
DE102008058894B3 (de) * | 2008-11-26 | 2010-06-17 | Vimecon Gmbh | Laserapplikator |
TW201123411A (en) * | 2009-12-30 | 2011-07-01 | Harvatek Corp | A light emission module with high-efficiency light emission and high-efficiency heat dissipation and applications thereof |
JP5631776B2 (ja) * | 2010-03-03 | 2014-11-26 | 株式会社東芝 | 照明装置およびこれを備えた液晶表示装置 |
KR20120023921A (ko) * | 2010-09-03 | 2012-03-14 | 엘지이노텍 주식회사 | 백라이트 유닛 |
JP5550505B2 (ja) * | 2010-09-16 | 2014-07-16 | 株式会社東芝 | 面状照明装置およびこれを備えた液晶表示装置 |
TWI465808B (zh) | 2010-11-25 | 2014-12-21 | Lg伊諾特股份有限公司 | 背光單元及其顯示設備 |
JP2012136199A (ja) * | 2010-12-28 | 2012-07-19 | Nippon Seiki Co Ltd | 表示装置 |
JP5321767B1 (ja) * | 2011-09-29 | 2013-10-23 | 凸版印刷株式会社 | 照明装置、表示装置 |
KR102075922B1 (ko) | 2012-05-10 | 2020-02-11 | 엘지디스플레이 주식회사 | 도광판 및 이를 이용한 액정표시 장치 |
CN102692673B (zh) * | 2012-06-20 | 2014-09-03 | 丹阳博昱科技有限公司 | 一种用掩模板制作大版导光片的方法 |
JP6157827B2 (ja) * | 2012-09-28 | 2017-07-05 | 恵和株式会社 | 導光シート、エッジライト型バックライトユニット及びラップトップコンピュータ |
WO2014078170A1 (en) * | 2012-11-13 | 2014-05-22 | Johnson Controls Technology Company | Illuminated vehicle interior component |
TWI498638B (zh) * | 2013-10-18 | 2015-09-01 | Au Optronics Corp | 顯示裝置 |
WO2015064883A1 (en) | 2013-11-01 | 2015-05-07 | Seoul Semiconductor Co., Ltd. | Light source module and backlight unit having the same |
WO2015136625A1 (ja) * | 2014-03-11 | 2015-09-17 | 堺ディスプレイプロダクト株式会社 | 光源装置、表示装置、及び光源装置の製造方法 |
KR102204953B1 (ko) * | 2014-06-25 | 2021-01-19 | 삼성디스플레이 주식회사 | 형광 시트 및 이를 포함하는 라이트 유닛과 액정 표시 장치 |
WO2016046068A1 (en) | 2014-09-25 | 2016-03-31 | Koninklijke Philips N.V. | Display device with directional control of the output, and a backlight for such a display device |
KR102244847B1 (ko) | 2014-12-31 | 2021-04-28 | 엘지디스플레이 주식회사 | 초집광 도광필름 및 이를 이용한 평판 표시장치용 박막형 백 라이트 유닛 |
US10657352B2 (en) * | 2016-12-08 | 2020-05-19 | Lg Display Co., Ltd. | Flat panel display embedding optical imaging sensor |
JP7013164B2 (ja) | 2017-08-07 | 2022-01-31 | 株式会社ジャパンディスプレイ | 表示装置 |
CN108800056B (zh) * | 2018-08-20 | 2024-07-09 | 华域视觉科技(上海)有限公司 | 一种汽车信号灯的光学结构 |
KR102698294B1 (ko) * | 2018-09-07 | 2024-08-26 | 삼성전자주식회사 | 조명 장치 및 이를 포함하는 전자 장치와 조명 방법 |
KR102668143B1 (ko) * | 2019-01-03 | 2024-05-24 | 삼성디스플레이 주식회사 | 표시장치 |
CN109633962B (zh) * | 2019-02-18 | 2021-10-15 | 友达光电(苏州)有限公司 | 显示装置 |
KR20210115236A (ko) * | 2020-03-12 | 2021-09-27 | 엘지이노텍 주식회사 | 광원모듈 |
CN111915982A (zh) * | 2020-08-17 | 2020-11-10 | 上海中航光电子有限公司 | 一种背光模组以及显示装置 |
US11221515B1 (en) * | 2021-01-04 | 2022-01-11 | Sunrex Technology Corp. | Backlight module |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08152526A (ja) * | 1994-11-30 | 1996-06-11 | Sharp Corp | 面照明用シートとこれを用いた装置 |
JPH1021720A (ja) * | 1996-06-27 | 1998-01-23 | Nec Corp | バックライト装置 |
JP2000147429A (ja) * | 1998-11-10 | 2000-05-26 | Nitto Denko Corp | 偏光面光源装置及び液晶表示装置 |
JP2000249837A (ja) * | 1999-02-26 | 2000-09-14 | Omron Corp | 導光板 |
JP2002133933A (ja) * | 2000-10-26 | 2002-05-10 | Rohm Co Ltd | 照明装置およびこの照明装置を備えた液晶表示装置 |
JP2004062004A (ja) * | 2002-07-31 | 2004-02-26 | Kawaguchiko Seimitsu Co Ltd | 光拡散シート及びこれを用いたバックライト装置 |
JP2004087409A (ja) * | 2002-08-29 | 2004-03-18 | Citizen Electronics Co Ltd | 両面発光照明ユニット |
JP2004158336A (ja) * | 2002-11-07 | 2004-06-03 | Advanced Display Inc | 面状光源装置および該装置を用いた液晶表示装置 |
JP2004171870A (ja) * | 2002-11-19 | 2004-06-17 | Alps Electric Co Ltd | 照明装置及び液晶表示装置 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5816677A (en) | 1905-03-01 | 1998-10-06 | Canon Kabushiki Kaisha | Backlight device for display apparatus |
JPH095739A (ja) * | 1995-06-22 | 1997-01-10 | Internatl Business Mach Corp <Ibm> | 導光シ−ト及びその製造方法、及び前記導光シ−トを用いたバックライト及び前記バックライトを用いた液晶表示装置 |
JP3674510B2 (ja) * | 1999-02-01 | 2005-07-20 | セイコーエプソン株式会社 | 表示装置、それを用いた電子機器 |
KR20000016446U (ko) * | 1999-02-01 | 2000-09-25 | 김순택 | 액정표시장치 |
WO2000058665A1 (fr) * | 1999-03-29 | 2000-10-05 | Rohm Co., Ltd | Source lumineuse plane |
US6972813B1 (en) * | 1999-06-09 | 2005-12-06 | 3M Innovative Properties Company | Optical laminated bodies, lighting equipment and area luminescence equipment |
JP2001083508A (ja) * | 1999-09-14 | 2001-03-30 | Seiko Epson Corp | 表示装置及びそれを用いた電子機器 |
JP2001108987A (ja) | 1999-10-06 | 2001-04-20 | Nidec Copal Corp | 面発光装置 |
US6598987B1 (en) * | 2000-06-15 | 2003-07-29 | Nokia Mobile Phones Limited | Method and apparatus for distributing light to the user interface of an electronic device |
JP2003215570A (ja) | 2002-01-22 | 2003-07-30 | Sumitomo Chem Co Ltd | 半透過半反射型液晶表示装置とそれ用の光源装置及びフィルム |
KR100459223B1 (ko) * | 2002-04-03 | 2004-12-03 | 엘지.필립스 엘시디 주식회사 | 백 라이트 |
US7478942B2 (en) * | 2003-01-23 | 2009-01-20 | Samsung Electronics Co., Ltd. | Light guide plate with light reflection pattern |
TW577549U (en) * | 2003-01-30 | 2004-02-21 | Toppoly Optoelectronics Corp | Back light module for flat display device |
KR100508240B1 (ko) * | 2003-03-13 | 2005-08-17 | 엘지.필립스 엘시디 주식회사 | 액정표시모듈 |
JP4239700B2 (ja) | 2003-06-17 | 2009-03-18 | オムロン株式会社 | 面光源装置及び当該面光源装置を用いた機器 |
JP2005134498A (ja) | 2003-10-29 | 2005-05-26 | Optrex Corp | 液晶表示装置 |
JP4020397B2 (ja) * | 2004-06-14 | 2007-12-12 | 惠次 飯村 | 点光源を用いた面光源 |
US7513669B2 (en) * | 2005-08-01 | 2009-04-07 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Light source for LCD back-lit displays |
JP4579146B2 (ja) * | 2005-12-06 | 2010-11-10 | 株式会社 日立ディスプレイズ | 表示装置および面状光源装置 |
-
2005
- 2005-12-06 JP JP2005352167A patent/JP4579146B2/ja active Active
-
2006
- 2006-12-05 CN CN2010102870970A patent/CN101976003A/zh active Pending
- 2006-12-05 CN CN2006101645305A patent/CN1979309B/zh active Active
- 2006-12-06 TW TW098146493A patent/TWI438508B/zh active
- 2006-12-06 TW TW095145420A patent/TW200734705A/zh unknown
- 2006-12-06 KR KR1020060123287A patent/KR100863848B1/ko not_active IP Right Cessation
- 2006-12-06 US US11/634,262 patent/US20070126950A1/en not_active Abandoned
-
2010
- 2010-09-23 US US12/923,481 patent/US20110102708A1/en not_active Abandoned
-
2011
- 2011-08-05 US US13/137,326 patent/US8085360B2/en active Active
- 2011-11-28 US US13/305,578 patent/US8416364B2/en active Active
-
2013
- 2013-03-13 US US13/799,971 patent/US8817205B2/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08152526A (ja) * | 1994-11-30 | 1996-06-11 | Sharp Corp | 面照明用シートとこれを用いた装置 |
JPH1021720A (ja) * | 1996-06-27 | 1998-01-23 | Nec Corp | バックライト装置 |
JP2000147429A (ja) * | 1998-11-10 | 2000-05-26 | Nitto Denko Corp | 偏光面光源装置及び液晶表示装置 |
JP2000249837A (ja) * | 1999-02-26 | 2000-09-14 | Omron Corp | 導光板 |
JP2002133933A (ja) * | 2000-10-26 | 2002-05-10 | Rohm Co Ltd | 照明装置およびこの照明装置を備えた液晶表示装置 |
JP2004062004A (ja) * | 2002-07-31 | 2004-02-26 | Kawaguchiko Seimitsu Co Ltd | 光拡散シート及びこれを用いたバックライト装置 |
JP2004087409A (ja) * | 2002-08-29 | 2004-03-18 | Citizen Electronics Co Ltd | 両面発光照明ユニット |
JP2004158336A (ja) * | 2002-11-07 | 2004-06-03 | Advanced Display Inc | 面状光源装置および該装置を用いた液晶表示装置 |
JP2004171870A (ja) * | 2002-11-19 | 2004-06-17 | Alps Electric Co Ltd | 照明装置及び液晶表示装置 |
Also Published As
Publication number | Publication date |
---|---|
US20110292681A1 (en) | 2011-12-01 |
US20130250612A1 (en) | 2013-09-26 |
TWI362510B (ja) | 2012-04-21 |
US8817205B2 (en) | 2014-08-26 |
TWI438508B (zh) | 2014-05-21 |
US20110102708A1 (en) | 2011-05-05 |
KR100863848B1 (ko) | 2008-10-15 |
US20070126950A1 (en) | 2007-06-07 |
CN1979309B (zh) | 2010-11-10 |
TW200734705A (en) | 2007-09-16 |
CN1979309A (zh) | 2007-06-13 |
US20120127753A1 (en) | 2012-05-24 |
US8416364B2 (en) | 2013-04-09 |
KR20070060026A (ko) | 2007-06-12 |
CN101976003A (zh) | 2011-02-16 |
US8085360B2 (en) | 2011-12-27 |
JP2007157540A (ja) | 2007-06-21 |
TW201015132A (en) | 2010-04-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4579146B2 (ja) | 表示装置および面状光源装置 | |
US10437099B2 (en) | Backlight module, display panel and display device | |
US20110164404A1 (en) | Illumination device, surface light source device, and liquid crystal display apparatus | |
JP2010050064A (ja) | 導光板、面状ライトユニット及び表示装置並びに導光板の製造方法 | |
TW201418628A (zh) | 光源模組及其製作方法 | |
JPWO2009098809A1 (ja) | 照明装置および液晶表示装置 | |
WO2011102033A1 (ja) | 面光源装置、および当該面光源装置を備えた液晶表示装置 | |
JP2010218693A (ja) | 点状光源用導光板 | |
US8405796B2 (en) | Illumination device, surface light source device, and liquid crystal display device | |
JP2006351354A (ja) | 導光板とそれを用いたエッジライト型面光源および液晶表示装置 | |
US20110292684A1 (en) | Illumination device, surface illuminant device, and liquid crystal display device | |
JP2007256697A (ja) | 液晶表示装置 | |
WO2008047442A1 (fr) | Dispositif source de lumière de surface | |
US20220004059A1 (en) | Display And Electronic Apparatus | |
JP2007322965A (ja) | 液晶表示装置 | |
JP2008027649A (ja) | 光源装置およびバックライト装置 | |
US20170108635A1 (en) | Backlight module with non-planar lateral structure and liquid crystal display apparatus using the same | |
JP2012059607A (ja) | 光源モジュールおよびそれを備えた電子機器 | |
TWI437327B (zh) | 背光模組 | |
JPWO2013161945A1 (ja) | 光源装置及び電子機器 | |
CN105652361A (zh) | 导光板、背光模组及显示装置 | |
CN111679497A (zh) | 背光模组及液晶显示面板 | |
TWM298141U (en) | light guide plate, backlight module and the display module using the same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20071113 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090821 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20091208 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100208 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20100824 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20100825 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130903 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 Ref document number: 4579146 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313121 Free format text: JAPANESE INTERMEDIATE CODE: R313115 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130903 Year of fee payment: 3 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313117 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |