JP2006215427A - 空間光変調装置及び画像表示装置 - Google Patents
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- 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
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- 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
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- 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
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- 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
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Abstract
【解決手段】入射光を画像信号に応じて変調する変調部と、変調部の近傍に設けられ、入射光を変調部の方向へ反射する光路偏向部と、を有し、変調部は、行列状に配列されている複数の画素部である開口部203bと、複数の開口部203b同士の間に設けられている遮光部であるブラックマトリックス部203aとを備え、光路偏向部は、入射光を開口部203bの方向へ反射する反射部である斜面211aを備えるプリズム素子211であって、プリズム素子211は、基準面200上であってブラックマトリックス部203aに対応する位置に設けられ、かつ、基準面200bに略垂直な方向への長さHが、基準面200bに略平行な方向への長さW1の15以上かつ250以下である。
【選択図】 図3
Description
0≦θo≦arctan{1/(2F)} (1)
sinθ1>n2/n1 (2)
θm=arctan{1/(2F)} (3)
θo1={asin(sinθk*n3)} (4)
0≦θo≦arctan{1/(2F)} (1)
Claims (8)
- 入射光を画像信号に応じて変調する変調部と、
前記変調部の近傍に設けられ、前記入射光を前記変調部の方向へ反射する光路偏向部と、を有し、
前記変調部は、行列状に配列されている複数の画素部と、前記画素部同士の間に設けられている遮光部とを備え、
前記光路偏向部は、前記入射光を前記画素部の方向へ反射する反射部を備えるプリズム素子であって、
前記プリズム素子は、基準面上であって前記遮光部に対応する位置に設けられ、かつ、前記基準面に略垂直な方向への長さが、前記基準面に略平行な方向への長さの15倍以上かつ250倍以下であることを特徴とする空間光変調装置。 - 前記プリズム素子は、前記基準面に略垂直な方向への長さが、前記基準面に略平行な方向への長さの20倍以上かつ200倍以下であることを特徴とする請求項1に記載の空間光変調装置。
- 前記反射部は、第1の領域と、前記第1の領域よりも前記画素部からの距離が短い位置に設けられた第2の領域とを有し、
前記第1の領域及び前記第2の領域は、前記基準面の法線と前記第2の領域とがなす角度が、前記基準面の法線と前記第1の領域とがなす角度より大きくなるように設けられることを特徴とする請求項1又は2に記載の空間光変調装置。 - 前記反射部は、前記基準面の法線となす角度が3度以下である有効反射領域を含むことを特徴とする請求項1〜3のいずれか一項に記載の空間光変調装置。
- 前記反射部は、前記有効反射領域が、前記反射部の全領域のうちの70パーセント以上を占めることを特徴とする請求項4に記載の空間光変調装置。
- 前記遮光部は、前記基準面に略平行な第1の方向に長手方向を有する第1の遮光部と、前記基準面に略平行かつ前記第1の方向に略直交する第2の方向に長手方向を有する第2の遮光部と、を有し、
前記第1の遮光部及び前記第2の遮光部は、互いに交差部で交差するように配置され、かつ、前記交差部以外の部分よりも前記交差部のほうが、前記長手方向に対して略直交する方向における幅が大きくなるように形成されることを特徴とする請求項1〜5のいずれか一項に記載の空間光変調装置。 - 光を供給する光源部と、
前記光源部からの光を画像信号に応じて変調する空間光変調装置と、
前記空間光変調装置で変調された光を投写する投写光学系と、を有し、
前記空間光変調装置は、入射光を画像信号に応じて変調する変調部と、前記変調部の近傍に設けられ、前記入射光を前記変調部の方向へ反射する光路偏向部と、を有し、
前記変調部は、行列状に配列されている複数の画素部と、前記画素部同士の間に設けられている遮光部とを備え、
前記光路偏向部は、前記入射光を前記画素部の方向へ反射する反射部を備えるプリズム素子であって、
前記プリズム素子は、基準面上であって前記遮光部に対応する位置に設けられ、かつ、前記基準面に略垂直な方向への長さが、前記基準面に略平行な方向への長さの15倍以上かつ250倍以下であることを特徴とする画像表示装置。 - 前記投写光学系のFナンバーをF、とすると、前記プリズム素子は、前記基準面の法線と所定の角度をなす前記入射光を、以下の条件式を満たす角度θoをなすように偏向することを特徴とする請求項7に記載の画像表示装置。
0≦θo≦arctan{1/(2F)}
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JP2005030118A JP4093240B2 (ja) | 2005-02-07 | 2005-02-07 | 空間光変調装置及び画像表示装置 |
US11/253,556 US7184188B2 (en) | 2005-02-07 | 2005-10-20 | Spatial light modulator and image display device |
CNB200510115615XA CN100401177C (zh) | 2005-02-07 | 2005-11-07 | 空间光调制装置及图像显示装置 |
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CN108445673A (zh) * | 2018-03-02 | 2018-08-24 | 张家港康得新光电材料有限公司 | 一种光学膜结构及背光组件 |
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JPH03170911A (ja) * | 1989-11-30 | 1991-07-24 | Pioneer Electron Corp | 液晶表示装置 |
US6700554B2 (en) * | 1999-12-04 | 2004-03-02 | Lg. Philips Lcd Co., Ltd. | Transmissive display device using micro light modulator |
JP3938099B2 (ja) | 2002-06-12 | 2007-06-27 | セイコーエプソン株式会社 | マイクロレンズの製造方法、マイクロレンズ、マイクロレンズアレイ板、電気光学装置及び電子機器 |
EP1533651A4 (en) * | 2003-03-28 | 2007-03-07 | Seiko Epson Corp | SPACE LIGHT MODULATOR, PROJECTOR USING SAME, METHOD FOR MANUFACTURING FINE STRUCTURE ELEMENT USED IN THE MODULATOR, AND FINE STRUCTURE ELEMENT MADE THEREBY |
JP2004347692A (ja) | 2003-05-20 | 2004-12-09 | Seiko Epson Corp | 空間光変調装置及びプロジェクタ |
JP2005037503A (ja) * | 2003-07-16 | 2005-02-10 | Seiko Epson Corp | 空間光変調装置及びプロジェクタ |
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2005
- 2005-02-07 JP JP2005030118A patent/JP4093240B2/ja not_active Expired - Fee Related
- 2005-10-20 US US11/253,556 patent/US7184188B2/en active Active
- 2005-11-07 CN CNB200510115615XA patent/CN100401177C/zh not_active Expired - Fee Related
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KR100848287B1 (ko) | 2006-08-18 | 2008-07-25 | 엘지전자 주식회사 | 외광 차단 시트 및 그를 이용한 플라즈마 디스플레이 장치 |
JP2008122648A (ja) * | 2006-11-13 | 2008-05-29 | Seiko Epson Corp | 電気光学装置、電気光学装置の製造方法、及び電子機器 |
JP2010524027A (ja) * | 2007-04-06 | 2010-07-15 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 反射型表示パネル及び斯かる表示パネルを製造する方法 |
US8964147B2 (en) | 2011-07-21 | 2015-02-24 | Seiko Epson Corporation | Electro-optic device, method of producing electro-optic device, and projection type display apparatus |
CN102890360A (zh) * | 2011-07-22 | 2013-01-23 | 精工爱普生株式会社 | 电光装置及投影型显示装置 |
JP2013120388A (ja) * | 2011-12-08 | 2013-06-17 | Univ Stuttgart | 電気光学位相変調器 |
JP2014119628A (ja) * | 2012-12-18 | 2014-06-30 | Seiko Epson Corp | 電気光学装置用基板の製造方法、電気光学装置、および電子機器 |
WO2014136418A1 (ja) * | 2013-03-05 | 2014-09-12 | セイコーエプソン株式会社 | 電気光学装置用基板、電気光学装置、電子機器、及び電気光学装置用基板の製造方法 |
JP2014170164A (ja) * | 2013-03-05 | 2014-09-18 | Seiko Epson Corp | 電気光学装置用基板、電気光学装置、電子機器、及び電気光学装置用基板の製造方法 |
US9383633B2 (en) | 2013-10-30 | 2016-07-05 | Seiko Epson Corporation | Electro-optical device and electronic apparatus |
Also Published As
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US20060176540A1 (en) | 2006-08-10 |
JP4093240B2 (ja) | 2008-06-04 |
CN1818769A (zh) | 2006-08-16 |
CN100401177C (zh) | 2008-07-09 |
US7184188B2 (en) | 2007-02-27 |
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