JP2005321816A - 光学エンジンまたは映像表示装置 - Google Patents
光学エンジンまたは映像表示装置 Download PDFInfo
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- JP2005321816A JP2005321816A JP2005164963A JP2005164963A JP2005321816A JP 2005321816 A JP2005321816 A JP 2005321816A JP 2005164963 A JP2005164963 A JP 2005164963A JP 2005164963 A JP2005164963 A JP 2005164963A JP 2005321816 A JP2005321816 A JP 2005321816A
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Abstract
【解決手段】 光学エンジンまたは映像表示装置において、照明光学系が、偏光変換素子または色分離合成手段の光軸面に対する垂直方向の上下方向f値と、それと直交関係にある左右方向f値との関係において、上下方向のf値>左右方向f値の関係を満たす構成とする。
【選択図】 図1
Description
Claims (2)
- 少なくとも1つ以上の光源ユニットの出射光から映像信号に応じた光学像を形成するライトバルブ手段の反射型映像表示素子と、該反射型映像表示素子の上に光を照射させる照明光学系と、該反射型映像表示素子から出射した光を投射する投射手段とを有する光学エンジンであって、
前記照明光学系が、前記偏光変換素子または前記色分離合成手段の光軸面に対する垂直方向の上下方向f値と、それと直交関係にある左右方向f値とが、上下方向のf値>左右方向f値の関係を満たすことを特徴とする光学エンジン。 - 請求項1に記載の光学エンジンを用いて構成した映像表示装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2005164963A JP4135001B2 (ja) | 2005-06-06 | 2005-06-06 | 映像表示装置 |
Applications Claiming Priority (1)
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JP2005164963A JP4135001B2 (ja) | 2005-06-06 | 2005-06-06 | 映像表示装置 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP26315199A Division JP3757701B2 (ja) | 1999-09-17 | 1999-09-17 | 光束圧縮ユニット、光学エンジン及びこれを用いた映像表示装置 |
Publications (2)
Publication Number | Publication Date |
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JP2005321816A true JP2005321816A (ja) | 2005-11-17 |
JP4135001B2 JP4135001B2 (ja) | 2008-08-20 |
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JP2005164963A Expired - Fee Related JP4135001B2 (ja) | 2005-06-06 | 2005-06-06 | 映像表示装置 |
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JP (1) | JP4135001B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114518685A (zh) * | 2020-11-19 | 2022-05-20 | 中强光电股份有限公司 | 照明系统以及投影装置 |
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2005
- 2005-06-06 JP JP2005164963A patent/JP4135001B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114518685A (zh) * | 2020-11-19 | 2022-05-20 | 中强光电股份有限公司 | 照明系统以及投影装置 |
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JP4135001B2 (ja) | 2008-08-20 |
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