JP2008016429A - バックライトアセンブリ及び液晶表示装置 - Google Patents
バックライトアセンブリ及び液晶表示装置 Download PDFInfo
- Publication number
- JP2008016429A JP2008016429A JP2006324175A JP2006324175A JP2008016429A JP 2008016429 A JP2008016429 A JP 2008016429A JP 2006324175 A JP2006324175 A JP 2006324175A JP 2006324175 A JP2006324175 A JP 2006324175A JP 2008016429 A JP2008016429 A JP 2008016429A
- Authority
- JP
- Japan
- Prior art keywords
- light
- backlight assembly
- guide plate
- liquid crystal
- light emitting
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
-
- 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into 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, e.g. with collimating, focussing or diverging surfaces
- G02B6/0021—Means for improving the coupling-in of light from the light source into 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, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
-
- 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)
Abstract
【解決手段】
本発明によるバックライトアセンブリは、複数個の発光素子、前記発光素子等と等しい平面を成すように配置される導光板、及び前記導光板の一側面に一定な間隔を隔てて形成されて光経路を変更させる複数の光補正部を含む。
【選択図】図1
Description
160:発光ダイオード 150: 導光板
100:液晶パネル 170:反射板
130:光学シート類 162:ハウジング
200:突出部 151:入射面
Claims (11)
- 複数個の発光素子と、
前記発光素子と同一な平面を成すように配置される導光板と、
前記導光板の一側面に一定間隔隔てて形成され、光経路を変更させる複数の光補正部と
を含むバックライトアセンブリ。 - 前記光補正部は、それぞれ三角柱形状に突出形成され、
前記発光素子は、それぞれ前記光補正部間に配置される
ことを特徴とする請求項1に記載のバックライトアセンブリ。 - 前記光補正部の突出された表面に、光を反射させる少なくとも一つ以上の反射シートが付着され、または反射膜が塗布される
ことを特徴とする請求項2に記載のバックライトアセンブリ。 - 前記光補正部は、前記発光素子と対応する位置にそれぞれ形成される
ことを特徴とする請求項1に記載のバックライトアセンブリ。 - 前記光補正部は、それぞれ前記光経路と対応するように形成された面を持つことを特徴とする請求項4に記載のバックライトアセンブリ。
- 前記光補正部の面は、凹凸型構造有し、拡散パターンを含む
ことを特徴とする請求項5に記載のバックライトアセンブリ。 - 前記拡散パターンは、拡散した光方向に複数個の溝を含む
ことを特徴とする請求項6に記載のバックライトアセンブリ。 - 前記導光板は、複数個の光入射面を含み、
前記光補正部は、四角柱を含み、
前記光入射面は、前記四角柱の間に形成され、
前記発光素子は、それぞれ前記光入射面に対向するように配置される
ことを特徴とする請求項1に記載のバックライトアセンブリ。 - 前記光補正部と前記光入射面の境界領域は光を拡散させる部をさらに含む
ことを特徴とする請求項8に記載のバックライトアセンブリ。 - 前記光補正部に、光を拡散させる複数のドットパターンが形成された
ことを特徴とする請求項8に記載のバックライトアセンブリ。 - 請求項1から10までのいずれか1項に記載のバックライトアセンブリと、
前記導光板上に配置されて映像を表示する液晶パネルと
を含むことを特徴とする液晶表示装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060060073A KR100989219B1 (ko) | 2006-06-30 | 2006-06-30 | 백라이트 어셈블리 및 이를 구비한 액정표시장치. |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008016429A true JP2008016429A (ja) | 2008-01-24 |
JP4435774B2 JP4435774B2 (ja) | 2010-03-24 |
Family
ID=38876425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006324175A Expired - Fee Related JP4435774B2 (ja) | 2006-06-30 | 2006-11-30 | バックライトアセンブリ及び液晶表示装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7637646B2 (ja) |
JP (1) | JP4435774B2 (ja) |
KR (1) | KR100989219B1 (ja) |
CN (1) | CN101097349B (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2083308A1 (en) | 2008-01-28 | 2009-07-29 | Fujitsu Limited | Optical device, optical communication apparatus, and method of controlling optical device |
JP2013008662A (ja) * | 2011-06-24 | 2013-01-10 | Lg Innotek Co Ltd | バックライトユニット及びそれを用いたディスプレイ装置 |
JP2013544017A (ja) * | 2010-11-15 | 2013-12-09 | エルジー イノテック カンパニー リミテッド | バックライトユニット |
WO2014185120A1 (ja) * | 2013-05-14 | 2014-11-20 | シャープ株式会社 | 照明装置、及び表示装置 |
JP2015072255A (ja) * | 2013-10-01 | 2015-04-16 | 株式会社デンソー | 計器 |
KR101537561B1 (ko) * | 2008-09-11 | 2015-07-20 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 이를 포함하는 액정표시장치모듈 |
KR101728743B1 (ko) * | 2015-05-12 | 2017-05-02 | 주식회사 엘엠에스 | 광산란층을 가지는 도광판 및 이를 구비한 백라이트 유닛 |
JP2017228451A (ja) * | 2016-06-23 | 2017-12-28 | スタンレー電気株式会社 | 車両用灯具 |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7540628B2 (en) * | 2006-04-24 | 2009-06-02 | Novicomm, Inc. | Illuminated panels and methods therefor |
KR101453954B1 (ko) * | 2006-11-07 | 2014-10-23 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 포함하는 액정 표시 장치 |
CN101196597A (zh) * | 2006-12-08 | 2008-06-11 | 鸿富锦精密工业(深圳)有限公司 | 导光板及背光模组 |
TWM322560U (en) * | 2006-12-29 | 2007-11-21 | Innolux Display Corp | Backlight module and display device using the same |
US20080186732A1 (en) * | 2007-02-03 | 2008-08-07 | Awai George K | Light emitting diode modules for illuminated panels |
US20080186737A1 (en) * | 2007-02-03 | 2008-08-07 | Awai George K | Edge-illuminated panels with shaped-edge diffuser |
US20080186696A1 (en) * | 2007-02-03 | 2008-08-07 | Awai George K | Light emitting diode waveguide assemblies for illuminating refrigerated areas |
CA2678105A1 (en) * | 2007-02-20 | 2008-08-28 | Nobuo Oyama | Light source unit, lighting apparatus using the light source unit, and plant growing equipment using the lighting apparatus |
CN201093372Y (zh) * | 2007-08-31 | 2008-07-30 | 群康科技(深圳)有限公司 | 光源单元及采用该光源单元的显示模组 |
KR20090073886A (ko) * | 2007-12-31 | 2009-07-03 | 엘지디스플레이 주식회사 | 액정표시장치 |
KR101494450B1 (ko) * | 2008-10-08 | 2015-02-16 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
CN101749572B (zh) * | 2008-12-15 | 2012-10-10 | 鸿富锦精密工业(深圳)有限公司 | 发光模块 |
KR101291920B1 (ko) * | 2008-12-23 | 2013-07-31 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 이를 구비한 액정표시장치 |
KR200457798Y1 (ko) * | 2009-01-29 | 2012-01-03 | 현대건설주식회사 | 다용도 수납장 |
TW201035641A (en) * | 2009-03-19 | 2010-10-01 | Advanced Optoelectronic Tech | Backlight module |
CN101852363B (zh) * | 2009-03-31 | 2013-01-16 | 展晶科技(深圳)有限公司 | 背光模块 |
JP5246791B2 (ja) * | 2009-04-22 | 2013-07-24 | 株式会社ジャパンディスプレイウェスト | バックライトユニット |
CN101900299A (zh) * | 2009-05-26 | 2010-12-01 | 鸿富锦精密工业(深圳)有限公司 | 导光板及背光模组 |
KR20110120707A (ko) * | 2010-04-29 | 2011-11-04 | 삼성전자주식회사 | 표시 장치 |
CN101968186A (zh) * | 2010-07-30 | 2011-02-09 | 南京中电熊猫液晶显示科技有限公司 | 大发光角led背光源模组 |
TWM410895U (en) * | 2010-09-30 | 2011-09-01 | Chunghwa Picture Tubes Ltd | Backlight module |
CN102121617A (zh) * | 2010-12-22 | 2011-07-13 | 深圳Tcl新技术有限公司 | 一种led背光的灯条结构 |
CN102889505B (zh) * | 2011-07-19 | 2014-12-31 | 群创光电股份有限公司 | 多区域动态背光模块 |
WO2013117745A1 (en) * | 2012-02-10 | 2013-08-15 | Tp Vision Holding B.V. | Display device |
CN103244864A (zh) * | 2012-02-13 | 2013-08-14 | 鑫成科技(成都)有限公司 | 背光模组 |
KR20130099890A (ko) * | 2012-02-29 | 2013-09-06 | 코오롱인더스트리 주식회사 | 도광판 및 백라이트 유닛 |
KR101902468B1 (ko) | 2012-04-19 | 2018-11-13 | 삼성전자주식회사 | 커패시터, 이를 포함하는 반도체 장치, 커패시터 형성 방법 및 이를 이용한 반도체 장치 제조 방법 |
WO2014017347A1 (ja) * | 2012-07-24 | 2014-01-30 | シャープ株式会社 | 表示装置、及びテレビ受信装置 |
CN102913825B (zh) * | 2012-11-02 | 2015-07-01 | 京东方科技集团股份有限公司 | 一种发光单元、背光模组及显示装置 |
KR102075510B1 (ko) * | 2012-11-21 | 2020-02-10 | 엘지이노텍 주식회사 | 백라이트 장치 |
TWI514018B (zh) * | 2012-12-13 | 2015-12-21 | Hon Hai Prec Ind Co Ltd | 導光板及使用該導光板之背光模組 |
TW201426125A (zh) * | 2012-12-26 | 2014-07-01 | Young Lighting Technology Inc | 導光板及背光模組 |
JP2014153586A (ja) * | 2013-02-12 | 2014-08-25 | Japan Display Inc | 液晶表示装置 |
CN103323904A (zh) * | 2013-06-21 | 2013-09-25 | 北京京东方光电科技有限公司 | 导光板及应用其的背光模组、显示装置 |
KR102132928B1 (ko) * | 2013-07-02 | 2020-07-10 | 엘지이노텍 주식회사 | 조명장치 및 상기 조명장치를 포함하는 평판 디스플레이 |
CN104459867A (zh) * | 2013-09-23 | 2015-03-25 | 纬创资通股份有限公司 | 导光板及背光模块 |
JP6343616B2 (ja) * | 2013-09-25 | 2018-06-13 | 堺ディスプレイプロダクト株式会社 | 照明装置及び表示装置 |
CN105765451A (zh) * | 2013-09-30 | 2016-07-13 | 首尔半导体(株) | 光源模块及具备其的背光单元 |
WO2015064883A1 (en) | 2013-11-01 | 2015-05-07 | Seoul Semiconductor Co., Ltd. | Light source module and backlight unit having the same |
TWI544254B (zh) * | 2014-02-10 | 2016-08-01 | 元太科技工業股份有限公司 | 光源模組及顯示裝置 |
FR3020707B1 (fr) * | 2014-05-05 | 2018-06-15 | Cooper Technologies Company | Dispositif d'affichage d'elements de signalisation |
CN104298003A (zh) * | 2014-10-21 | 2015-01-21 | 京东方科技集团股份有限公司 | 一种背光源及显示装置 |
US10209428B2 (en) * | 2014-12-26 | 2019-02-19 | Sharp Kabushiki Kaisha | Lighting device and display device |
CN105987325B (zh) * | 2015-03-02 | 2019-02-15 | 南京瀚宇彩欣科技有限责任公司 | 量子管、背光模块及液晶显示装置 |
CN104834050A (zh) * | 2015-05-19 | 2015-08-12 | 武汉华星光电技术有限公司 | 导光板、背光模组以及液晶显示装置 |
CN104930375B (zh) * | 2015-06-19 | 2018-06-15 | 武汉华星光电技术有限公司 | 量子管发光装置、背光模组及液晶显示器 |
CN105005112B (zh) * | 2015-08-13 | 2016-08-17 | 深圳科利盟电子有限公司 | 导光板及应用该导光板的背光模组 |
US10001672B2 (en) * | 2016-10-28 | 2018-06-19 | Citizen Electronics Co., Ltd. | Side edge planar lighting unit |
KR20200011626A (ko) * | 2018-07-24 | 2020-02-04 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 포함한 표시 장치 |
CN110568665B (zh) * | 2018-12-05 | 2023-03-21 | 友达光电股份有限公司 | 显示装置 |
CN111862788B (zh) * | 2019-04-24 | 2022-03-22 | 鸿富锦精密工业(深圳)有限公司 | 显示面板及应用该显示面板的电子装置 |
CN111025760A (zh) * | 2019-12-28 | 2020-04-17 | 深圳市帝显电子有限公司 | 一种背光模组及车载显示器 |
CN111221180B (zh) * | 2020-01-20 | 2022-05-13 | 京东方科技集团股份有限公司 | 一种背光源及显示装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0651130A (ja) * | 1992-07-29 | 1994-02-25 | Daimon Seisakusho:Kk | 点光源を用いた面照明装置用導光板 |
JP3684737B2 (ja) | 1997-01-14 | 2005-08-17 | オムロン株式会社 | 面光源装置 |
JP2000030520A (ja) | 1998-07-15 | 2000-01-28 | Omron Corp | 導光板及び面光源装置 |
JP2001255415A (ja) * | 2000-03-09 | 2001-09-21 | Citizen Electronics Co Ltd | 導光板 |
JP2002169032A (ja) | 2000-11-30 | 2002-06-14 | Nissen Chemitec Corp | 指向性導光板及び指向性導光板の入光端面加工方法 |
JP3980890B2 (ja) * | 2002-01-23 | 2007-09-26 | シャープ株式会社 | 導光板並びにそれを備えた光源装置及び表示装置 |
JP2004192937A (ja) | 2002-12-11 | 2004-07-08 | Toyota Industries Corp | 導光板 |
TWM255413U (en) * | 2002-12-13 | 2005-01-11 | Hon Hai Prec Ind Co Ltd | Surface light module and liquid crystal display using the same |
KR100506092B1 (ko) * | 2003-04-16 | 2005-08-04 | 삼성전자주식회사 | 측면 발광형 백라이트 장치의 도광판 및 이를 채용한 측면발광형 백라이트 장치 |
KR100989338B1 (ko) | 2003-07-01 | 2010-10-25 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 액정표시장치 |
JP2005347208A (ja) * | 2004-06-07 | 2005-12-15 | Toyota Industries Corp | 面光源装置 |
US7182499B2 (en) * | 2004-11-12 | 2007-02-27 | Radiant Opto-Electronics Corporation | Light-conductive board and a rear light module using the light-conductive board |
KR100638874B1 (ko) * | 2005-07-06 | 2006-10-27 | 삼성전기주식회사 | Led 광원이 도광판에 삽입된 백라이트 장치의광원-도광판 구조 및 이를 포함하는 백라이트 장치 |
TWI314663B (en) * | 2005-12-23 | 2009-09-11 | Au Optronics Corp | Backlight module with multiple light sources |
-
2006
- 2006-06-30 KR KR1020060060073A patent/KR100989219B1/ko active IP Right Grant
- 2006-09-18 US US11/522,438 patent/US7637646B2/en active Active
- 2006-09-26 CN CN2006101270709A patent/CN101097349B/zh not_active Expired - Fee Related
- 2006-11-30 JP JP2006324175A patent/JP4435774B2/ja not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2083308A1 (en) | 2008-01-28 | 2009-07-29 | Fujitsu Limited | Optical device, optical communication apparatus, and method of controlling optical device |
KR101537561B1 (ko) * | 2008-09-11 | 2015-07-20 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 이를 포함하는 액정표시장치모듈 |
JP2013544017A (ja) * | 2010-11-15 | 2013-12-09 | エルジー イノテック カンパニー リミテッド | バックライトユニット |
US9207382B2 (en) | 2010-11-15 | 2015-12-08 | Lg Innotek Co., Ltd. | Light unit having light guide member with receiving holes with round part |
JP2013008662A (ja) * | 2011-06-24 | 2013-01-10 | Lg Innotek Co Ltd | バックライトユニット及びそれを用いたディスプレイ装置 |
US9519099B2 (en) | 2011-06-24 | 2016-12-13 | Lg Innotek Co., Ltd. | Backlight unit and display apparatus using the same |
EP2538250A3 (en) * | 2011-06-24 | 2018-04-25 | LG Innotek Co., Ltd. | Backlight unit and display apparatus using the same |
WO2014185120A1 (ja) * | 2013-05-14 | 2014-11-20 | シャープ株式会社 | 照明装置、及び表示装置 |
JP2015072255A (ja) * | 2013-10-01 | 2015-04-16 | 株式会社デンソー | 計器 |
KR101728743B1 (ko) * | 2015-05-12 | 2017-05-02 | 주식회사 엘엠에스 | 광산란층을 가지는 도광판 및 이를 구비한 백라이트 유닛 |
JP2017228451A (ja) * | 2016-06-23 | 2017-12-28 | スタンレー電気株式会社 | 車両用灯具 |
Also Published As
Publication number | Publication date |
---|---|
US7637646B2 (en) | 2009-12-29 |
JP4435774B2 (ja) | 2010-03-24 |
KR20080001755A (ko) | 2008-01-04 |
CN101097349A (zh) | 2008-01-02 |
CN101097349B (zh) | 2010-05-26 |
KR100989219B1 (ko) | 2010-10-20 |
US20080002428A1 (en) | 2008-01-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4435774B2 (ja) | バックライトアセンブリ及び液晶表示装置 | |
US7441938B2 (en) | Planar light source device | |
JP4413186B2 (ja) | 面状光源装置及びこれを用いた表示装置 | |
JP4363268B2 (ja) | 面状光源装置 | |
JP5667888B2 (ja) | バックライトユニット及びこれを用いた映像表示装置 | |
JP2004311353A (ja) | 面状光源装置および該装置を用いた液晶表示装置 | |
JP2010021131A (ja) | 表示装置及びそれに用いられるバックライトユニット | |
JP2008053013A (ja) | バックライト装置及び液晶表示装置 | |
JP2011249320A (ja) | 面状光源装置および表示装置 | |
JP4509913B2 (ja) | 面光源装置および表示装置 | |
JP2004342587A (ja) | バックライトおよびそれを用いた液晶表示装置 | |
JP2013026422A (ja) | 発光装置および表示装置 | |
KR20080041421A (ko) | 백라이트 유닛 및 이를 포함하는 액정 표시 장치 | |
EP2461205A2 (en) | Backlight device and image display using the same | |
US20120163019A1 (en) | Light guide plate, surface light source device, and transmission image display device | |
JP2010170897A (ja) | エッジライト型部分駆動バックライトユニット及び液晶表示装置 | |
JP2003281920A (ja) | 照明装置 | |
KR20100095812A (ko) | 백 라이트 유닛 및 이를 포함하는 액정표시장치 | |
JP2008293826A (ja) | 面状光源装置および表示装置 | |
KR20110041825A (ko) | 백라이트 유닛 및 이를 구비한 액정표시장치 | |
KR102100297B1 (ko) | 액정표시장치 | |
KR102391395B1 (ko) | 광학렌즈 및 이를 포함하는 백라이트 유닛과 액정표시장치 | |
KR102002458B1 (ko) | 액정표시장치 | |
KR101042698B1 (ko) | 면광원 장치 | |
KR20060093892A (ko) | 백라이트 유닛 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090331 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090625 |
|
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: 20091215 |
|
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: 20091224 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4435774 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130108 Year of fee payment: 3 |
|
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 |
|
LAPS | Cancellation because of no payment of annual fees |