JP4830804B2 - 面状光源装置および表示装置 - Google Patents
面状光源装置および表示装置 Download PDFInfo
- Publication number
- JP4830804B2 JP4830804B2 JP2006311510A JP2006311510A JP4830804B2 JP 4830804 B2 JP4830804 B2 JP 4830804B2 JP 2006311510 A JP2006311510 A JP 2006311510A JP 2006311510 A JP2006311510 A JP 2006311510A JP 4830804 B2 JP4830804 B2 JP 4830804B2
- Authority
- JP
- Japan
- Prior art keywords
- lamp
- lamps
- light source
- source device
- guide plate
- 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.)
- Expired - Fee Related
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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
- G02B6/0023—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
- G02B6/0066—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)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Description
また、ランプからのリーク電流のばらつきを防止することによって、所望の輝度を得ることができる面状光源装置を得ることができる。また、リーク電流のばらつきを防止できるため、ランプの寿命のばらつきを減少させることができる。
実施の形態1.
図1は本発明に係わる実施の形態における面状光源装置を備えた表示装置の一実施形態の概略構成を示す分解斜視図、図2、図3は図1に示す表示装置の要部断面図である。
5 表示素子、 6 反射シート、 7 リアフレーム、 9 フロントフレーム、
10 面状光源装置。
Claims (5)
- 光を出射面から出射させる導光板と、
前記導光板の一側面に沿って配置された3本のランプと、
前記3本のランプに近接して、覆うように形成され、前記3本のランプの光を前記導光板の一側面に向かわせる金属製のランプリフレクターと、を備え、
前記3本のランプはそれぞれが一定の間隔を保って配置され、前記導光板の一側面に近接して第1および第2のランプが2本、および該2本のランプから前記導光板の一側面に遠隔して第3のランプが1本配置されており、
前記ランプリフレクターは、前記3本のランプの各々を取り囲むように連続して形成された、凸字形状の断面で形成されており、
前記ランプリフレクターは、前記第3のランプを覆う対向する2面と、
該2面のそれぞれと連続し、且つ前記第1および第2のランプに近接する1面とが、垂直に配置されたことを特徴とする面状光源装置。 - 前記3本のランプの一定の間隔は、1本のランプの中心から他の1本のランプの中心までの距離が、5mm以上10mm以下であることを特徴とする請求項1記載の面状光源装置。
- 前記3本ランプと前記ランプリフレクターとの最短距離が、0.4mm以上1mm以下であることを特徴とする請求項1または2に記載の面状光源装置。
- 前記導光板、前記ランプおよび前記ランプリフレクターを収納し、開口部を有する金属製のリアフレームをさらに備え、前記リアフレームは、前記ランプリフレクターと当接して配置されたことを特徴とする請求項1乃至3のいずれか1項に記載の面状光源装置。
- 前記請求項1乃至4のいずれか1項に記載の面状光源装置と、前記面状光源装置上に配置される表示素子とを備える表示装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006311510A JP4830804B2 (ja) | 2006-11-17 | 2006-11-17 | 面状光源装置および表示装置 |
TW096143428A TWI383219B (zh) | 2006-11-17 | 2007-11-16 | 面狀光源裝置及包括有該面狀光源裝置的顯示裝置 |
CN2007103007924A CN101235954B (zh) | 2006-11-17 | 2007-11-16 | 面状光源装置和具备该面状光源装置的显示装置 |
KR1020070117055A KR100912623B1 (ko) | 2006-11-17 | 2007-11-16 | 면형 광원장치 및 그 면형 광원장치를 구비한 표시장치 |
US11/941,535 US8083391B2 (en) | 2006-11-17 | 2007-11-16 | Planar light source and display device having the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006311510A JP4830804B2 (ja) | 2006-11-17 | 2006-11-17 | 面状光源装置および表示装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008130274A JP2008130274A (ja) | 2008-06-05 |
JP2008130274A5 JP2008130274A5 (ja) | 2009-12-10 |
JP4830804B2 true JP4830804B2 (ja) | 2011-12-07 |
Family
ID=39497782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006311510A Expired - Fee Related JP4830804B2 (ja) | 2006-11-17 | 2006-11-17 | 面状光源装置および表示装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8083391B2 (ja) |
JP (1) | JP4830804B2 (ja) |
KR (1) | KR100912623B1 (ja) |
CN (1) | CN101235954B (ja) |
TW (1) | TWI383219B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6184721B2 (ja) | 2012-09-28 | 2017-08-23 | ユニ・チャーム株式会社 | 吸収性物品 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3130402B2 (ja) | 1993-02-05 | 2001-01-31 | キヤノン株式会社 | エッジ方式バックライト装置及びそれを用いた液晶装置 |
JPH08307608A (ja) | 1995-04-28 | 1996-11-22 | Nikon Corp | 透過原稿照明装置 |
JPH09259625A (ja) | 1996-03-19 | 1997-10-03 | Sharp Corp | 面光源装置及びこれを備えた表示装置 |
JP4558874B2 (ja) * | 1999-12-17 | 2010-10-06 | ティーピーオー ホンコン ホールディング リミテッド | 表示装置の照明装置 |
JP2002244128A (ja) * | 2001-02-13 | 2002-08-28 | Hitachi Ltd | 液晶表示装置 |
JP4045097B2 (ja) * | 2001-12-28 | 2008-02-13 | シャープ株式会社 | バックライト装置及びこれを用いた液晶表示装置 |
JP4126914B2 (ja) * | 2002-01-22 | 2008-07-30 | セイコーエプソン株式会社 | 液晶表示器 |
KR100855491B1 (ko) | 2002-04-12 | 2008-09-01 | 엘지디스플레이 주식회사 | 백라이트 장치 |
WO2003098288A1 (en) * | 2002-05-16 | 2003-11-27 | Andrew Stanley Lasota | Illuminable display device |
JP2004029597A (ja) * | 2002-06-28 | 2004-01-29 | Hitachi Ltd | 液晶表示装置 |
JP2004103303A (ja) * | 2002-09-05 | 2004-04-02 | Sharp Corp | 照明装置および液晶表示装置 |
KR20040024745A (ko) | 2002-09-16 | 2004-03-22 | 엘지.필립스 엘시디 주식회사 | 액정표시장치의 백라이트 유닛 |
TW591280B (en) * | 2002-10-24 | 2004-06-11 | Quanta Display Inc | Structure of light-weight backlight module |
-
2006
- 2006-11-17 JP JP2006311510A patent/JP4830804B2/ja not_active Expired - Fee Related
-
2007
- 2007-11-16 TW TW096143428A patent/TWI383219B/zh not_active IP Right Cessation
- 2007-11-16 US US11/941,535 patent/US8083391B2/en not_active Expired - Fee Related
- 2007-11-16 CN CN2007103007924A patent/CN101235954B/zh not_active Expired - Fee Related
- 2007-11-16 KR KR1020070117055A patent/KR100912623B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TW200823569A (en) | 2008-06-01 |
US20080137368A1 (en) | 2008-06-12 |
CN101235954B (zh) | 2012-09-05 |
KR20080045064A (ko) | 2008-05-22 |
CN101235954A (zh) | 2008-08-06 |
US8083391B2 (en) | 2011-12-27 |
JP2008130274A (ja) | 2008-06-05 |
KR100912623B1 (ko) | 2009-08-17 |
TWI383219B (zh) | 2013-01-21 |
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