CN103069806B - 用于投影的光源调制 - Google Patents
用于投影的光源调制 Download PDFInfo
- Publication number
- CN103069806B CN103069806B CN201180039186.6A CN201180039186A CN103069806B CN 103069806 B CN103069806 B CN 103069806B CN 201180039186 A CN201180039186 A CN 201180039186A CN 103069806 B CN103069806 B CN 103069806B
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- China
- Prior art keywords
- light
- light source
- laser
- pulse modulated
- pulse
- Prior art date
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- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3191—Testing thereof
- H04N9/3194—Testing thereof including sensor feedback
-
- 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
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/208—Homogenising, shaping of the illumination light
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
- H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
- H04N9/312—Driving therefor
- H04N9/3123—Driving therefor using pulse width modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3155—Modulator illumination systems for controlling the light source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3158—Modulator illumination systems for controlling the spectrum
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3161—Modulator illumination systems using laser light sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3164—Modulator illumination systems using multiple light sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
Description
Claims (22)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/854,919 | 2010-08-12 | ||
US12/854,919 US8444275B2 (en) | 2010-08-12 | 2010-08-12 | Light source control for projector with multiple pulse-width modulated light sources |
PCT/US2011/047163 WO2012021567A2 (en) | 2010-08-12 | 2011-08-10 | Light source modulation for projection |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103069806A CN103069806A (zh) | 2013-04-24 |
CN103069806B true CN103069806B (zh) | 2015-11-25 |
Family
ID=44515033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201180039186.6A Expired - Fee Related CN103069806B (zh) | 2010-08-12 | 2011-08-10 | 用于投影的光源调制 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8444275B2 (zh) |
EP (1) | EP2604038A2 (zh) |
CN (1) | CN103069806B (zh) |
BR (1) | BR112013001533A2 (zh) |
WO (1) | WO2012021567A2 (zh) |
Families Citing this family (73)
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GB201109208D0 (en) * | 2011-06-01 | 2011-07-13 | Barco Nv | Apparatus and method for combining laser beams of different polarization |
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JP5950147B2 (ja) * | 2011-09-20 | 2016-07-13 | カシオ計算機株式会社 | 光源装置、プロジェクタ、及び光源装置の製造方法 |
JP5884367B2 (ja) * | 2011-09-27 | 2016-03-15 | セイコーエプソン株式会社 | プロジェクター |
US8746888B2 (en) * | 2011-10-03 | 2014-06-10 | Eastman Kodak Company | Stereoscopic projector using spectrally-adjacent color bands |
US9851574B2 (en) * | 2012-01-20 | 2017-12-26 | Empire Technology Development Llc | Mirror array display system |
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CN103293523B (zh) * | 2013-06-17 | 2015-04-22 | 河海大学常州校区 | 基于多孔径信息处理的高光谱遥感异常小目标检测方法 |
CA2890560C (en) | 2013-10-20 | 2021-06-01 | Mtt Innovation Incorporated | Light field projectors and methods |
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CN103069806A (zh) | 2013-04-24 |
WO2012021567A2 (en) | 2012-02-16 |
WO2012021567A3 (en) | 2012-07-19 |
US20120038892A1 (en) | 2012-02-16 |
US8444275B2 (en) | 2013-05-21 |
BR112013001533A2 (pt) | 2016-05-10 |
EP2604038A2 (en) | 2013-06-19 |
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