HK1192948A1 - 用於減少所投影圖像中的斑點的裝置及方法 - Google Patents

用於減少所投影圖像中的斑點的裝置及方法

Info

Publication number
HK1192948A1
HK1192948A1 HK14106438.1A HK14106438A HK1192948A1 HK 1192948 A1 HK1192948 A1 HK 1192948A1 HK 14106438 A HK14106438 A HK 14106438A HK 1192948 A1 HK1192948 A1 HK 1192948A1
Authority
HK
Hong Kong
Prior art keywords
projected images
reducing speckle
speckle
reducing
projected
Prior art date
Application number
HK14106438.1A
Other languages
English (en)
Inventor
范純聖
Original Assignee
豪威科技股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 豪威科技股份有限公司 filed Critical 豪威科技股份有限公司
Publication of HK1192948A1 publication Critical patent/HK1192948A1/zh

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/48—Laser speckle optics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
    • G02B27/102—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
    • G02B27/1026—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with reflective spatial light modulators
    • G02B27/1033—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with reflective spatial light modulators having a single light modulator for all colour channels
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/149—Beam splitting or combining systems operating by reflection only using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes
    • 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
    • G03B21/147—Optical correction of image distortions, e.g. keystone
    • 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
    • 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
    • G03B21/2033—LED or laser light sources
    • 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
    • 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
    • G03B33/00—Colour photography, other than mere exposure or projection of a colour film
    • G03B33/06—Colour photography, other than mere exposure or projection of a colour film by additive-colour projection apparatus
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
HK14106438.1A 2012-08-23 2014-06-26 用於減少所投影圖像中的斑點的裝置及方法 HK1192948A1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/593,316 US8905548B2 (en) 2012-08-23 2012-08-23 Device and method for reducing speckle in projected images

Publications (1)

Publication Number Publication Date
HK1192948A1 true HK1192948A1 (zh) 2014-09-05

Family

ID=50147727

Family Applications (1)

Application Number Title Priority Date Filing Date
HK14106438.1A HK1192948A1 (zh) 2012-08-23 2014-06-26 用於減少所投影圖像中的斑點的裝置及方法

Country Status (4)

Country Link
US (1) US8905548B2 (zh)
CN (1) CN103631076B (zh)
HK (1) HK1192948A1 (zh)
TW (1) TWI485439B (zh)

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US10051209B2 (en) * 2014-04-09 2018-08-14 Omnivision Technologies, Inc. Combined visible and non-visible projection system
US9778478B1 (en) * 2016-10-04 2017-10-03 Christine Digital Systems Usa, Inc. Projector with image plane modal vibration for speckle reduction
US11838691B2 (en) 2017-03-14 2023-12-05 Snap Inc. Laser illumination system with reduced speckle via phase shift
JP6972609B2 (ja) * 2017-03-28 2021-11-24 セイコーエプソン株式会社 光射出装置および画像表示システム
US11611728B2 (en) * 2017-05-12 2023-03-21 Mtt Innovation Incorporated High brightness projection systems and methods
JP7009520B2 (ja) 2017-07-06 2022-01-25 マジック リープ， インコーポレイテッド 仮想および拡張現実システムにおけるスペックル低減および方法
WO2019181404A1 (ja) * 2018-03-20 2019-09-26 ソニー株式会社 画像表示装置
CN108333780A (zh) * 2018-04-20 2018-07-27 深圳创维新世界科技有限公司 近眼显示系统
CN111258159B (zh) * 2018-11-30 2022-07-12 中强光电股份有限公司 照明系统及投影装置
US11892654B2 (en) 2019-10-07 2024-02-06 Omnivision Technologies, Inc. Passive speckle-suppressing diffusers and associated methods and illuminators
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CN113126410B (zh) 2019-12-30 2022-07-15 中强光电股份有限公司 微机电装置与投影装置
CN111158205B (zh) * 2019-12-31 2022-06-10 广景视睿科技（深圳）有限公司 一种投影仪及投影系统
JP2021136071A (ja) * 2020-02-24 2021-09-13 セイコーエプソン株式会社 光源装置、照明装置およびプロジェクター
CN113495410A (zh) * 2020-03-18 2021-10-12 深圳光峰科技股份有限公司 一种激光投影装置
WO2021256313A1 (ja) * 2020-06-15 2021-12-23 ソニーセミコンダクタソリューションズ株式会社 表示装置

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Also Published As

Publication number Publication date
TW201411196A (zh) 2014-03-16
CN103631076B (zh) 2016-08-17
CN103631076A (zh) 2014-03-12
TWI485439B (zh) 2015-05-21
US8905548B2 (en) 2014-12-09
US20140055755A1 (en) 2014-02-27

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