CN105578162A - 一种优化投影画面动态对比度的激光投影机 - Google Patents
一种优化投影画面动态对比度的激光投影机 Download PDFInfo
- Publication number
- CN105578162A CN105578162A CN201510977682.6A CN201510977682A CN105578162A CN 105578162 A CN105578162 A CN 105578162A CN 201510977682 A CN201510977682 A CN 201510977682A CN 105578162 A CN105578162 A CN 105578162A
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- projection
- light source
- laser light
- chip
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- 238000004040 coloring Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 238000005286 illumination Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
Classifications
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- 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
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- 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
- G03B21/2006—Lamp housings characterised by the light source
-
- 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
- G03B21/206—Control of light source other than position or intensity
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510977682.6A CN105578162B (zh) | 2015-12-23 | 2015-12-23 | 一种优化投影画面动态对比度的激光投影机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510977682.6A CN105578162B (zh) | 2015-12-23 | 2015-12-23 | 一种优化投影画面动态对比度的激光投影机 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105578162A true CN105578162A (zh) | 2016-05-11 |
CN105578162B CN105578162B (zh) | 2018-04-03 |
Family
ID=55887762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510977682.6A Active CN105578162B (zh) | 2015-12-23 | 2015-12-23 | 一种优化投影画面动态对比度的激光投影机 |
Country Status (1)
Country | Link |
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CN (1) | CN105578162B (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111526344A (zh) * | 2019-02-01 | 2020-08-11 | 中国电影器材有限责任公司 | 一种数字电影放映方法及*** |
CN111526343A (zh) * | 2019-02-01 | 2020-08-11 | 中国电影器材有限责任公司 | 一种数字电影放映方法及*** |
CN112118434A (zh) * | 2019-06-20 | 2020-12-22 | 青岛海信激光显示股份有限公司 | 激光投影设备 |
CN112114479A (zh) * | 2019-06-20 | 2020-12-22 | 青岛海信激光显示股份有限公司 | 激光投影设备 |
CN113099197A (zh) * | 2021-03-10 | 2021-07-09 | 山西汉威激光科技股份有限公司 | 一种动态黑快速响应激光投影控制*** |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201583776U (zh) * | 2009-12-30 | 2010-09-15 | 天津三星电子显示器有限公司 | 一种能够显著提高对比度的投影机 |
CN101976012A (zh) * | 2010-09-16 | 2011-02-16 | 青岛海信电器股份有限公司 | 光源亮度调整的方法、装置和激光投影设备 |
CN102129154A (zh) * | 2010-01-15 | 2011-07-20 | 上海三鑫科技发展有限公司 | 微型投影机及其调整方法 |
CN104111579A (zh) * | 2014-07-04 | 2014-10-22 | 深圳雅图数字视频技术有限公司 | 实时调节投影机对比度的方法及投影机 |
-
2015
- 2015-12-23 CN CN201510977682.6A patent/CN105578162B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201583776U (zh) * | 2009-12-30 | 2010-09-15 | 天津三星电子显示器有限公司 | 一种能够显著提高对比度的投影机 |
CN102129154A (zh) * | 2010-01-15 | 2011-07-20 | 上海三鑫科技发展有限公司 | 微型投影机及其调整方法 |
CN101976012A (zh) * | 2010-09-16 | 2011-02-16 | 青岛海信电器股份有限公司 | 光源亮度调整的方法、装置和激光投影设备 |
CN104111579A (zh) * | 2014-07-04 | 2014-10-22 | 深圳雅图数字视频技术有限公司 | 实时调节投影机对比度的方法及投影机 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111526344A (zh) * | 2019-02-01 | 2020-08-11 | 中国电影器材有限责任公司 | 一种数字电影放映方法及*** |
CN111526343A (zh) * | 2019-02-01 | 2020-08-11 | 中国电影器材有限责任公司 | 一种数字电影放映方法及*** |
CN111526344B (zh) * | 2019-02-01 | 2021-12-14 | 中国电影器材有限责任公司 | 一种数字电影放映方法及*** |
CN111526343B (zh) * | 2019-02-01 | 2022-03-01 | 中国电影器材有限责任公司 | 一种数字电影放映方法及*** |
CN112118434A (zh) * | 2019-06-20 | 2020-12-22 | 青岛海信激光显示股份有限公司 | 激光投影设备 |
CN112114479A (zh) * | 2019-06-20 | 2020-12-22 | 青岛海信激光显示股份有限公司 | 激光投影设备 |
CN112114479B (zh) * | 2019-06-20 | 2021-08-06 | 青岛海信激光显示股份有限公司 | 激光投影设备 |
US11762270B2 (en) | 2019-06-20 | 2023-09-19 | Hisense Laser Display Co., Ltd. | Laser projection apparatus having a display control circuit |
CN113099197A (zh) * | 2021-03-10 | 2021-07-09 | 山西汉威激光科技股份有限公司 | 一种动态黑快速响应激光投影控制*** |
CN113099197B (zh) * | 2021-03-10 | 2022-07-26 | 山西汉威激光科技股份有限公司 | 一种动态黑快速响应激光投影控制*** |
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Publication number | Publication date |
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CN105578162B (zh) | 2018-04-03 |
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