JP4766708B2 - 低減されたスペックルノイズを有する画像投影 - Google Patents
低減されたスペックルノイズを有する画像投影 Download PDFInfo
- Publication number
- JP4766708B2 JP4766708B2 JP2008509016A JP2008509016A JP4766708B2 JP 4766708 B2 JP4766708 B2 JP 4766708B2 JP 2008509016 A JP2008509016 A JP 2008509016A JP 2008509016 A JP2008509016 A JP 2008509016A JP 4766708 B2 JP4766708 B2 JP 4766708B2
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- Japan
- Prior art keywords
- screen
- laser
- image
- mirror
- speckle noise
- 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.)
- Expired - Fee Related
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Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Projection Apparatus (AREA)
Description
Claims (5)
- 低減されたスペックルノイズを有する画像を投影する装置であって、
表示スクリーンと、
同一の周波数のコヒーレント波とコヒーレンス時間とを有するレーザビームを出射するレーザと、
該スクリーン上に入射されるように該ビームの方向を制御し、該スクリーンにわたってスキャンラインのパターンとして該ビームを掃引する画像投影アセンブリであって、各スキャンラインは、複数のピクセルを有し、該画像投影アセンブリは、選択されたピクセルが照明されるようにして可視状態にすることにより、該スクリーン上に該画像を生成する、画像投影アセンブリと、
該スクリーンに埋め込まれ、かつ、複数の光学的共振器として機能する複数のフォトニック結晶粒子であって、該複数の光学的共振器は、該スクリーン上に入射した該ビームを該コヒーレンス時間以上の時間にわたって捕捉し、時間によって変動する干渉パターンを生成し、該干渉パターンにおいて、スペックルノイズは低減されている、複数のフォトニック結晶粒子と
を備えている、装置。 - 前記スクリーンは、プラスチックおよびラバー材料のうちの1つから構成されている、請求項1に記載の装置。
- 前記レーザは、赤色レーザ、青色レーザ、緑色レーザのうちの1つである、請求項1に記載の装置。
- 各粒子は、ピクセルよりも小さい寸法を有している、請求項1に記載の装置。
- 前記装置は、窓を有するハウジングを備えており、前記レーザビームは、該窓を介して掃引され、前記スクリーンは、該ハウジング上に搭載されている、請求項1に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/116,645 US7304795B2 (en) | 2005-04-28 | 2005-04-28 | Image projection with reduced speckle noise |
US11/116,645 | 2005-04-28 | ||
PCT/US2006/015507 WO2006116331A2 (en) | 2005-04-28 | 2006-04-20 | Image projection with reduced speckle noise |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008539466A JP2008539466A (ja) | 2008-11-13 |
JP2008539466A5 JP2008539466A5 (ja) | 2009-03-26 |
JP4766708B2 true JP4766708B2 (ja) | 2011-09-07 |
Family
ID=37215380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008509016A Expired - Fee Related JP4766708B2 (ja) | 2005-04-28 | 2006-04-20 | 低減されたスペックルノイズを有する画像投影 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7304795B2 (ja) |
JP (1) | JP4766708B2 (ja) |
CN (1) | CN101189549B (ja) |
DE (1) | DE112006001085T5 (ja) |
WO (1) | WO2006116331A2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7997742B2 (en) * | 2008-03-25 | 2011-08-16 | Microvision, Inc. | Capacitive comb feedback for high speed scan mirror |
US20090251670A1 (en) * | 2008-04-03 | 2009-10-08 | Motorola, Inc. | Optical feedback for high speed scan mirror |
KR20110070990A (ko) * | 2008-10-23 | 2011-06-27 | 니폰 가야꾸 가부시끼가이샤 | 레이저광용 광확산 셀, 이를 사용한 광원장치 및 화상 표시장치 |
DE102009050542A1 (de) * | 2009-10-23 | 2011-04-28 | Merck Patent Gmbh | Sm-aktivierte Aluminat- und Borat-Leuchtstoffe |
TWI404894B (zh) * | 2009-12-22 | 2013-08-11 | Ind Tech Res Inst | 照明系統 |
US8085467B1 (en) | 2010-06-16 | 2011-12-27 | Eastman Kodak Company | Projection display surface providing speckle reduction |
US8469519B2 (en) | 2010-06-16 | 2013-06-25 | Eastman Kodak Company | Projection apparatus providing reduced speckle artifacts |
US9927630B2 (en) | 2014-10-31 | 2018-03-27 | Konica Minolta Laboratory U.S.A., Inc. | Color calibration for pathology slides |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003050612A1 (en) * | 2001-12-13 | 2003-06-19 | Sony Corporation | Screen and method for manufacturing the same and image display system |
US20040233524A1 (en) * | 2001-12-21 | 2004-11-25 | Barret Lippey | Selective reflecting |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6847483B2 (en) * | 2001-12-21 | 2005-01-25 | Bose Corporation | Selective reflecting |
US7335921B2 (en) * | 2002-05-08 | 2008-02-26 | Zeolux Corporation | Lighting devices using feedback enhanced light emitting diode |
CN100456128C (zh) * | 2002-07-11 | 2009-01-28 | 索尼公司 | 图像显示器屏幕、图像显示器屏幕的制造方法和图像显示器 |
US7189284B2 (en) * | 2002-10-28 | 2007-03-13 | Hewlett-Packard Development Company, L.P. | Ink with bragg reflectors |
US7076138B2 (en) * | 2004-02-20 | 2006-07-11 | Altair Center, Llc | Nanophotonic devices based on quantum systems embedded in frequency bandgap media |
US20060244779A1 (en) * | 2005-04-28 | 2006-11-02 | Kommera Swaroop K | Pen for use by a printer to print colloidal crystal structures |
-
2005
- 2005-04-28 US US11/116,645 patent/US7304795B2/en not_active Expired - Fee Related
-
2006
- 2006-04-20 CN CN2006800199381A patent/CN101189549B/zh not_active Expired - Fee Related
- 2006-04-20 WO PCT/US2006/015507 patent/WO2006116331A2/en active Application Filing
- 2006-04-20 DE DE112006001085T patent/DE112006001085T5/de not_active Withdrawn
- 2006-04-20 JP JP2008509016A patent/JP4766708B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003050612A1 (en) * | 2001-12-13 | 2003-06-19 | Sony Corporation | Screen and method for manufacturing the same and image display system |
US20040233524A1 (en) * | 2001-12-21 | 2004-11-25 | Barret Lippey | Selective reflecting |
Also Published As
Publication number | Publication date |
---|---|
WO2006116331A3 (en) | 2007-04-19 |
CN101189549B (zh) | 2010-04-14 |
US20060245054A1 (en) | 2006-11-02 |
WO2006116331A2 (en) | 2006-11-02 |
JP2008539466A (ja) | 2008-11-13 |
US7304795B2 (en) | 2007-12-04 |
DE112006001085T5 (de) | 2008-03-20 |
CN101189549A (zh) | 2008-05-28 |
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