JP2009193669A - 液晶ディスプレイ機器 - Google Patents
液晶ディスプレイ機器 Download PDFInfo
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- JP2009193669A JP2009193669A JP2008029873A JP2008029873A JP2009193669A JP 2009193669 A JP2009193669 A JP 2009193669A JP 2008029873 A JP2008029873 A JP 2008029873A JP 2008029873 A JP2008029873 A JP 2008029873A JP 2009193669 A JP2009193669 A JP 2009193669A
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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
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- 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
-
- 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
-
- 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
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
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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)
- Light Guides In General And Applications Therefor (AREA)
- Liquid Crystal (AREA)
Abstract
【解決手段】光源は、複数の発光素子(4)群とし、発光素子における最も輝度の高い光軸方向を液晶ディスプレイ(3)の平面に対して所定の傾斜角度(α)を有して配置されている。前記導光部材(6)は、発光素子の前記光軸とほぼ直交するし、前記発光素子からの光を入射する第1の平面(61)と、前記光軸に対して所定の角度(α)を有し、第1の平面と鋭角を以って接続された第2の平面(62)とを有する楔形状の導光部が形成されている。そして発光素子の傾斜方向に対応して、複数の前記導光部を所定方向に平面的に配列して一体的に構成した。
【選択図】 図2
Description
前記光源は、複数の発光素子群であって、前記発光素子における最も輝度の高い光軸方向が前記液晶ディスプレイの平面に対して所定の傾斜角度を有して配置され、前記導光部材は、前記発光素子に対向する面側において、前記発光素子の前記光軸とほぼ直交する平面であって、前記発光素子からの光を入射する第1の平面と、前記光軸に対して所定の角度を有し、前記第1の平面と鋭角を以って接続される平面であって前記光を反射する第2の平面と、を有する楔形状の導光部が形成されており、前記発光素子の傾斜方向に対応して、複数の前記導光部を所定方向に平面的に配列して、一体的に構成されていることを特徴とする。
4・・・LED、5・・・基板、6・・・導光部材、7・・・拡散部材、
Claims (3)
- 液晶ディスプレイと、前記液晶ディスプレイの背面に配置される光源と、前記光源の光を前記液晶ディスプレイに照射するための導光部材と、を有する液晶ディスプレイ機器において、
前記光源は、複数の発光素子群であって、前記発光素子における最も輝度の高い光軸方向が前記液晶ディスプレイの平面に対して所定の傾斜角度を有して配置され、
前記導光部材は、前記発光素子に対向する面側において、
前記発光素子の前記光軸とほぼ直交する平面であって、前記発光素子からの光を入射する第1の平面と、
前記光軸に対して所定の角度を有し、前記第1の平面と鋭角を以って接続る平面であって、前記光を反射する第2の平面と、
を有する楔形状の導光部が形成されており、
前記発光素子の傾斜方向に対応して、複数の前記導光部を所定方向に平面的に配列して、一体的に構成されている
ことを特徴とする液晶ディスプレイ機器。 - 請求項1に記載の液晶ディスプレイ機器において、
前記導光部材は、前記第1の平面の一部及び前記第2の平面の一部を、前記発光素子群を含む平面上に存在するように、前記発光素子を載置する基板側に近接して配置されている
ことを特徴とする液晶ディスプレイ機器。 - 請求項1または2に記載の液晶ディスプレイ機器において、
前記導光部材は、前記液晶ディスプレイに対向する出射面側において、前記導光部材に入射された前記光源からの光を前記液晶ディスプレイに拡散して出射するための微細凹凸パターンを形成している
ことを特徴とする液晶ディスプレイ機器。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008029873A JP5011151B2 (ja) | 2008-02-12 | 2008-02-12 | 液晶ディスプレイ機器 |
US12/361,849 US7967462B2 (en) | 2008-02-12 | 2009-01-29 | Backlight assembly for liquid crystal display apparatus having inclined light emmitting elements |
CN2009100051553A CN101510027B (zh) | 2008-02-12 | 2009-02-06 | 液晶显示器设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008029873A JP5011151B2 (ja) | 2008-02-12 | 2008-02-12 | 液晶ディスプレイ機器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009193669A true JP2009193669A (ja) | 2009-08-27 |
JP5011151B2 JP5011151B2 (ja) | 2012-08-29 |
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Application Number | Title | Priority Date | Filing Date |
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JP2008029873A Active JP5011151B2 (ja) | 2008-02-12 | 2008-02-12 | 液晶ディスプレイ機器 |
Country Status (3)
Country | Link |
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US (1) | US7967462B2 (ja) |
JP (1) | JP5011151B2 (ja) |
CN (1) | CN101510027B (ja) |
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Also Published As
Publication number | Publication date |
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CN101510027A (zh) | 2009-08-19 |
JP5011151B2 (ja) | 2012-08-29 |
CN101510027B (zh) | 2012-03-14 |
US20090201668A1 (en) | 2009-08-13 |
US7967462B2 (en) | 2011-06-28 |
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