JP2008176024A5 - - Google Patents
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- JP2008176024A5 JP2008176024A5 JP2007009012A JP2007009012A JP2008176024A5 JP 2008176024 A5 JP2008176024 A5 JP 2008176024A5 JP 2007009012 A JP2007009012 A JP 2007009012A JP 2007009012 A JP2007009012 A JP 2007009012A JP 2008176024 A5 JP2008176024 A5 JP 2008176024A5
- Authority
- JP
- Japan
- Prior art keywords
- image display
- light source
- image
- image data
- timing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Claims (4)
画像データを目視可能な画像に変換する空間光変調手段と、を備える画像表示装置において、
画像データの内容に基づき１色変調周期中の全ての画素がＯＦＦのタイミングで前記固体光源をＯＦＦすることが可能な制御手段を備えたことを特徴とする画像表示装置。 A solid state light source;
In an image display device comprising spatial light modulation means for converting image data into a visible image,
An image display apparatus comprising: a control unit capable of turning off the solid-state light source at a timing when all pixels in one color modulation period are turned off based on the contents of image data.
色毎に全画素のビットの有無を判別するビット判別手段を更に備え、
前記ビット判別手段によりビットが無いと判別された時に、
画像データに応じて１色変調周期の途中のタイミングで前記固体光源をＯＦＦすることを特徴とする請求項１に記載の画像表示装置。 As the control means,
It further comprises bit discrimination means for discriminating the presence or absence of bits of all pixels for each color,
When it is determined by the bit determining means that there is no bit,
The image display apparatus according to claim 1, wherein the solid-state light source is turned off at a timing in the middle of one color modulation period according to image data.
画素毎の最大輝度を検出する最大輝度検出手段を更に備え、
前記最大輝度検出手段の検出結果に応じて前記制御手段により、
前記光源をＯＦＦするタイミングとして１色変調周期の残り期間を最大輝度に応じてＯＦＦすることを特徴とする請求項１に記載の画像表示装置。 As the control means,
Further comprising a maximum brightness detecting means for detecting the maximum brightness for each pixel;
According to the detection result of the maximum brightness detection means, the control means,
The image display apparatus according to claim 1, wherein the remaining period of the one-color modulation cycle is turned off according to the maximum luminance as a timing of turning off the light source.
前記画像データに応じた画像を投射面に投射可能な投射光学系を加えたことを特徴とするプロジェクタ。 In the image display device according to claim 1,
A projector comprising a projection optical system capable of projecting an image according to the image data onto a projection surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007009012A JP2008176024A (en) | 2007-01-18 | 2007-01-18 | Image display device and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007009012A JP2008176024A (en) | 2007-01-18 | 2007-01-18 | Image display device and projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008176024A JP2008176024A (en) | 2008-07-31 |
| JP2008176024A5 true JP2008176024A5 (en) | 2009-10-08 |
Family
ID=39703095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007009012A Pending JP2008176024A (en) | 2007-01-18 | 2007-01-18 | Image display device and projector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2008176024A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7468831B2 (en) * | 2007-02-20 | 2008-12-23 | Miradia, Inc. | Contrast with fast response light source |
| JP2009258356A (en) | 2008-04-16 | 2009-11-05 | Seiko Epson Corp | Image display apparatus, voltage control method and computer program |
| CN106200236B (en) * | 2011-03-14 | 2018-07-20 | 杜比实验室特许公司 | Projecting apparatus and method |
| EP2690483A1 (en) * | 2012-07-25 | 2014-01-29 | Johnson Controls Automotive Electronics SAS | Head-up display and method for operating it |
| JP6252523B2 (en) * | 2015-03-11 | 2017-12-27 | カシオ計算機株式会社 | Projection apparatus, projection control method, and program |
| JP7094732B2 (en) * | 2018-03-12 | 2022-07-04 | キヤノン株式会社 | Projection device and its control method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3941167B2 (en) * | 1997-03-24 | 2007-07-04 | ソニー株式会社 | Video display device and video display method |
| JP2004126470A (en) * | 2002-10-07 | 2004-04-22 | Fujitsu Ltd | Display device and display method |
| JP2005025160A (en) * | 2003-06-13 | 2005-01-27 | Seiko Epson Corp | Method of driving spatial light modulator and projector |
| JP2005181528A (en) * | 2003-12-17 | 2005-07-07 | Toshiba Lighting & Technology Corp | Light emitting diode type projecting device |
-
2007
- 2007-01-18 JP JP2007009012A patent/JP2008176024A/en active Pending
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