JP2004219852A5 - - Google Patents

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Publication number
JP2004219852A5
JP2004219852A5 JP2003009000A JP2003009000A JP2004219852A5 JP 2004219852 A5 JP2004219852 A5 JP 2004219852A5 JP 2003009000 A JP2003009000 A JP 2003009000A JP 2003009000 A JP2003009000 A JP 2003009000A JP 2004219852 A5 JP2004219852 A5 JP 2004219852A5
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JP
Japan
Prior art keywords
unit
projection
type image
image display
light valve
Prior art date
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Pending
Application number
JP2003009000A
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Japanese (ja)
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JP2004219852A (en
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Publication date
Application filed filed Critical
Priority to JP2003009000A priority Critical patent/JP2004219852A/en
Priority claimed from JP2003009000A external-priority patent/JP2004219852A/en
Publication of JP2004219852A publication Critical patent/JP2004219852A/en
Publication of JP2004219852A5 publication Critical patent/JP2004219852A5/ja
Pending legal-status Critical Current

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Claims (6)

照明手段から出射された光を、ライトバルブ手段により変調し形成した光学像を投射手段で拡大投射する投射型映像表示装置であって、
前記ライトバルブ手段に振動を与える振動付加手段と、
前記ライトバルブ手段の入射面と出射面の少なくとも一方に風を送る送風手段と、
前記振動付加手段を駆動させる場合に、前記送風手段の回転数を異ならせる制御手段とを有することを特徴とする投射型映像表示装置。A projection-type image display device that projects an optical image formed by modulating light emitted from an illuminating unit by a light valve unit and enlarged by a projection unit,
Vibration applying means for applying vibration to the light valve means;
A blowing means for sending wind to at least one of the incident surface and the emitting surface of the light valve means;
A projection-type image display apparatus, comprising: a control unit that varies the number of rotations of the blower unit when the vibration applying unit is driven. 照明手段から出射された光を、反射型ライトバルブ手段により変調し形成した光学像を投射手段で拡大投射する投射型映像表示装置であって、
前記反射型ライトバルブ手段の光入出射面の反対側に、前記反射型ライトバルブ手段に振動を与える振動付加手段と、
前記反射型ライトバルブ手段の入出射面に風を送る送風手段と、
前記振動付加手段を駆動させる場合に、前記送風手段の回転数を異ならせる制御手段とを有することを特徴とする投射型映像表示装置。A projection-type image display apparatus that projects an optical image formed by modulating light emitted from an illuminating unit by a reflection-type light valve unit in an enlarged manner by a projection unit,
Vibration applying means for applying vibration to the reflective light valve means on the opposite side of the light incident / exit surface of the reflective light valve means;
Blower means for sending air to the incident / exit surface of the reflective light valve means;
A projection-type image display apparatus, comprising: a control unit that varies the number of rotations of the blower unit when the vibration applying unit is driven. 前記制御手段は、前記振動付加手段を駆動させる場合に、前記送風手段の回転数を多くすることを特徴とする請求項１乃至請求項２の何れか１項に記載の投射型映像表示装置。  3. The projection type image display device according to claim 1, wherein when the vibration applying unit is driven, the control unit increases the number of rotations of the blowing unit. 4. 前記制御手段は、前記振動付加手段の駆動に応答して、前記送風手段の回転数を制御することを特徴とする請求項１乃至請求項２の何れか１項に記載の投射型映像表示装置。  3. The projection type image display device according to claim 1, wherein the control unit controls the number of rotations of the blower unit in response to driving of the vibration applying unit. 4. . 前記制御手段は、前記投射型映像表示装置の表示動作終了を検出して、前記振動付加手段を動作させることを特徴とする請求項１乃至請求項２の何れか１項に記載の投射型映像表示装置。  3. The projection type image according to claim 1, wherein the control unit detects the end of the display operation of the projection type image display device and operates the vibration adding unit. 4. Display device. 前記投射型映像表示装置は、前記振動付加手段を動作させるスイッチ手段を有することを特徴とする請求項１乃至請求項２の何れか１項に記載の投射型映像表示装置。  The projection type image display apparatus according to claim 1, wherein the projection type image display apparatus includes a switch unit that operates the vibration applying unit.
JP2003009000A 2003-01-17 2003-01-17 Projection type video display device and polarizing plate device used for the same Pending JP2004219852A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003009000A JP2004219852A (en) 2003-01-17 2003-01-17 Projection type video display device and polarizing plate device used for the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003009000A JP2004219852A (en) 2003-01-17 2003-01-17 Projection type video display device and polarizing plate device used for the same

Publications (2)

Publication Number Publication Date
JP2004219852A JP2004219852A (en) 2004-08-05
JP2004219852A5 true JP2004219852A5 (en) 2005-10-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003009000A Pending JP2004219852A (en) 2003-01-17 2003-01-17 Projection type video display device and polarizing plate device used for the same

Country Status (1)

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JP (1) JP2004219852A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4772349B2 (en) * 2005-03-16 2011-09-14 オリンパスイメージング株式会社 LIGHT VALVE UNIT AND PROJECTION TYPE DISPLAY
JP4772376B2 (en) * 2005-05-12 2011-09-14 オリンパスイメージング株式会社 LIGHT VALVE UNIT AND PROJECTION TYPE DISPLAY
JP4898243B2 (en) * 2006-02-14 2012-03-14 オリンパスイメージング株式会社 LIGHTING DEVICE AND PROJECTION VIDEO DISPLAY DEVICE USING THE SAME
JP5128868B2 (en) * 2007-07-30 2013-01-23 富士通株式会社 Library apparatus and robot control method
KR101494007B1 (en) 2008-05-02 2015-02-16 엘지전자 주식회사 A dust eliminator for computer and control method thereof
JP6693043B2 (en) * 2014-12-26 2020-05-13 日亜化学工業株式会社 Light source device and projector

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