JP2005339822A - バックライト装置及び表示装置 - Google Patents
バックライト装置及び表示装置 Download PDFInfo
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- JP2005339822A JP2005339822A JP2004153182A JP2004153182A JP2005339822A JP 2005339822 A JP2005339822 A JP 2005339822A JP 2004153182 A JP2004153182 A JP 2004153182A JP 2004153182 A JP2004153182 A JP 2004153182A JP 2005339822 A JP2005339822 A JP 2005339822A
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- Prior art keywords
- light
- light emitting
- backlight device
- color
- display device
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- 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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
【解決手段】 表面に光反射面を有するリフレクタREFと、このリフレクタREFの光反射面上に均一に分散させて設置された透光性円筒体からなる複数の導光体GLBと、この導光体GLBの内部に設置された少なくとも赤色,緑色,青色の3色発光の発光ダイオードLEDR,LEDG,LEDBとから構成することにより、各導光体ブロックGLBB毎に色混合を行うことによって光束分布が一様な色度均一性の高い白色光が得られる。
【選択図】 図2
Description
組み合わせ個数を赤色(R):緑色(G):青色(B)=1:1:1の割合とすることができる。
Claims (13)
- 光反射面を有する光反射板と、
前記光反射面上に設置された透光性筒体からなる複数の導光体と、
前記導光体の内部に設置された少なくとも3色発光の固体発光素子と、
を備えたことを特徴とするバックライト装置。 - 前記3色発光の固体発光素子は、サイドエミッタタイプの固体発光素子とすることを特徴とする請求項1に記載のバックライト装置。
- 前記3色発光の固体発光素子は、互いに設置高さを異ならせたことを特徴とする請求項1または請求項2の何れかに記載のバックライト装置。
- 前記複数の導光体の内壁面に中心軸と同方向に沿って傾斜する光入射面を有することを特徴とする請求項1乃至請求項3の何れかに記載のバックライト装置。
- 前記複数の導光体の外壁面に光学制御素子を一体的に有することを特徴とする請求項1乃至請求項4の何れかに記載のバックライト装置。
- 前記複数の導光体は前記光反射面上に均一に分散させて設置されていることを特徴とする請求項1乃至請求項5の何れかに記載のバックライト装置。
- 内面に画素形成用の電極を有する一対の透明基板の間に液晶層を挟持して構成された液晶表示パネルと、
前記液晶表示パネルの背面に設置された光学補償シート積層体と、
前記光学シート積層体の背面に設置された前記請求項1乃至請求項6の何れかに記載のバックライト装置と、
を備えたことを特徴とする表示装置。 - 画像表示を行う表示パネルと、前記表示パネルの背面に設置されたバックライト装置と
を備え、
前記バックライト装置は、光反射面を有する光反射板と、前記光反射面上に設置された透光性筒体からなる複数の導光体と、前記複数の導光体の内部に設置された少なくとも3色発光の固体発光素子とを有することを特徴とする表示装置。 - 前記3色発光の固体発光素子は、サイドエミッタタイプの固体発光素子とすることを特徴とする請求項8に記載の表示装置。
- 前記3色発光の固体発光素子は、設置高さを互いに異ならせたことを特徴とする請求項8または請求項9の何れかに記載の表示装置。
- 前記複数の導光体の内壁面に中心軸と同方向に沿って傾斜する光入射面を有することを特徴とする請求項8乃至請求項10の何れかに記載の表示装置。
- 前記複数の導光体の外壁面に光学制御素子を一体的に有することを特徴とする請求項8乃至請求項11の何れかに記載の表示装置。
- 前記複数の導光体は前記光反射面上に均一に分散させて設置されていることを特徴とする請求項8乃至請求項12の何れかに記載の表示装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004153182A JP4305850B2 (ja) | 2004-05-24 | 2004-05-24 | バックライト装置及び表示装置 |
CNB2005100719044A CN100541289C (zh) | 2004-05-24 | 2005-05-23 | 显示装置和背光源装置 |
US11/135,295 US7554625B2 (en) | 2004-05-24 | 2005-05-24 | Display device and backlight device having plural solid-state emitting element units each emitting at least three colors and contained within a cylindrical air-filled light guide body also surrounded by air |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004153182A JP4305850B2 (ja) | 2004-05-24 | 2004-05-24 | バックライト装置及び表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005339822A true JP2005339822A (ja) | 2005-12-08 |
JP4305850B2 JP4305850B2 (ja) | 2009-07-29 |
Family
ID=35374808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004153182A Expired - Lifetime JP4305850B2 (ja) | 2004-05-24 | 2004-05-24 | バックライト装置及び表示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7554625B2 (ja) |
JP (1) | JP4305850B2 (ja) |
CN (1) | CN100541289C (ja) |
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JP2007183560A (ja) * | 2005-12-29 | 2007-07-19 | Lg Phillips Lcd Co Ltd | バックライトアセンブリ及びこれを利用した液晶表示装置モジュール |
KR100780223B1 (ko) * | 2006-01-10 | 2007-11-27 | 삼성전기주식회사 | 색 얼룩 향상을 위한 led 면 광원 및 이를 구비하는lcd 백라이트 유닛 |
JP2008003220A (ja) * | 2006-06-21 | 2008-01-10 | Sony Corp | 面状光源装置 |
WO2008035493A1 (fr) * | 2006-09-20 | 2008-03-27 | Sharp Kabushiki Kaisha | Dispositif d'éclairage, dispositif de rétroéclairage utilisé pour un appareil d'affichage à cristaux liquides et appareil d'affichage à cristaux liquides |
JP2008096492A (ja) * | 2006-10-06 | 2008-04-24 | Sharp Corp | Ledバックライトユニット及び該ユニットを備える画像表示装置 |
JP2009070589A (ja) * | 2007-09-11 | 2009-04-02 | Hitachi Ltd | 液晶ディスプレイ機器 |
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WO2008035493A1 (fr) * | 2006-09-20 | 2008-03-27 | Sharp Kabushiki Kaisha | Dispositif d'éclairage, dispositif de rétroéclairage utilisé pour un appareil d'affichage à cristaux liquides et appareil d'affichage à cristaux liquides |
JP2008096492A (ja) * | 2006-10-06 | 2008-04-24 | Sharp Corp | Ledバックライトユニット及び該ユニットを備える画像表示装置 |
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JP2009070589A (ja) * | 2007-09-11 | 2009-04-02 | Hitachi Ltd | 液晶ディスプレイ機器 |
US7651235B2 (en) | 2007-11-13 | 2010-01-26 | Sony Corporation | Planar light source device and liquid crystal display device assembly |
JP2013506961A (ja) * | 2009-10-14 | 2013-02-28 | ドルビー ラボラトリーズ ライセンシング コーポレイション | バリアブルなフラワーディスプレイのバックライトシステム |
US8836736B2 (en) | 2009-10-14 | 2014-09-16 | Dolby Laboratories Licensing Corporation | Variable flower display backlight system |
US9035975B2 (en) | 2009-10-14 | 2015-05-19 | Dolby Laboratories Licensing Corporation | Variable flower display backlight system |
KR101336836B1 (ko) | 2013-07-18 | 2013-12-04 | 엘지디스플레이 주식회사 | 백라이트 유닛 |
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CN100541289C (zh) | 2009-09-16 |
US7554625B2 (en) | 2009-06-30 |
CN1702523A (zh) | 2005-11-30 |
JP4305850B2 (ja) | 2009-07-29 |
US20050259195A1 (en) | 2005-11-24 |
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