GB0814377D0 - Image projection apparatus and method - Google Patents

Image projection apparatus and method

Info

Publication number
GB0814377D0
GB0814377D0 GBGB0814377.8A GB0814377A GB0814377D0 GB 0814377 D0 GB0814377 D0 GB 0814377D0 GB 0814377 A GB0814377 A GB 0814377A GB 0814377 D0 GB0814377 D0 GB 0814377D0
Authority
GB
United Kingdom
Prior art keywords
image projection
projection apparatus
image
projection
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.)
Withdrawn
Application number
GBGB0814377.8A
Other versions
GB2462444A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OPTYKA Ltd
Original Assignee
OPTYKA Ltd
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 OPTYKA Ltd filed Critical OPTYKA Ltd
Priority to GB0814377A priority Critical patent/GB2462444A/en
Publication of GB0814377D0 publication Critical patent/GB0814377D0/en
Priority to PCT/EP2009/058635 priority patent/WO2010015478A1/en
Publication of GB2462444A publication Critical patent/GB2462444A/en
Withdrawn legal-status Critical Current

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
    • 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
    • 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
    • H04N9/3152—Modulator illumination systems for shaping the light beam
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
GB0814377A 2008-08-06 2008-08-06 Image projection apparatus and method Withdrawn GB2462444A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0814377A GB2462444A (en) 2008-08-06 2008-08-06 Image projection apparatus and method
PCT/EP2009/058635 WO2010015478A1 (en) 2008-08-06 2009-07-07 Image projection apparatus and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0814377A GB2462444A (en) 2008-08-06 2008-08-06 Image projection apparatus and method

Publications (2)

Publication Number Publication Date
GB0814377D0 true GB0814377D0 (en) 2008-09-10
GB2462444A GB2462444A (en) 2010-02-10

Family

ID=39767601

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0814377A Withdrawn GB2462444A (en) 2008-08-06 2008-08-06 Image projection apparatus and method

Country Status (2)

Country Link
GB (1) GB2462444A (en)
WO (1) WO2010015478A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2467181B (en) * 2009-01-27 2014-03-05 Optyka Ltd Speckle removal for a laser scanning projector
CN102053383B (en) * 2011-01-29 2012-09-26 中北大学 Speckle eliminating device based on Mie scatter and perturbation drive
US9482877B2 (en) * 2011-04-12 2016-11-01 Barco N.V. Laser projector with reduced speckle
CN103092049A (en) * 2013-01-16 2013-05-08 北京工业大学 All-solid digital holography imaging system capable of reducing speckle noise
WO2017066207A1 (en) 2015-10-11 2017-04-20 Dolby Laboratories Licensing Corporation Improved optical system for image projectors
CN105759442B (en) * 2016-03-31 2019-08-06 许江珂 A kind of laser display picture speckle noise arrester and display
CN105739116B (en) * 2016-05-03 2019-08-06 许江珂 A kind of laser display light source of no laser speckle
CA3037460C (en) * 2016-11-14 2020-08-18 Mitsubishi Electric Corporation Light shaping apparatus
BR112019020268A2 (en) * 2017-04-06 2020-04-22 Roggatz Konstantin augmented reality (air) glasses and method for virtual mixing of images into an image visible to a spectacle wearer through at least one lens of the spectacles
FR3065344B1 (en) 2017-04-14 2020-11-06 Xyzed LARGE POWER PROJECTOR WITH REMOTE LASER LIGHT SOURCE
CN113074328A (en) * 2019-12-18 2021-07-06 深圳市中光工业技术研究院 Light beam lamp light source system
US20240027913A1 (en) * 2020-12-08 2024-01-25 Asml Netherlands B.V. Metrology system and coherence adjusters

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490827A (en) * 1967-10-19 1970-01-20 American Optical Corp Method and apparatus for speckle reduction in the reconstruction of holographic images
US3588217A (en) * 1969-06-17 1971-06-28 Ibm Coherent optical noise suppression apparatus
US4035068A (en) * 1975-06-25 1977-07-12 Xerox Corporation Speckle minimization in projection displays by reducing spatial coherence of the image light
US4011403A (en) * 1976-03-30 1977-03-08 Northwestern University Fiber optic laser illuminators
US4155630A (en) * 1977-11-17 1979-05-22 University Of Delaware Speckle elimination by random spatial phase modulation
US5272473A (en) * 1989-02-27 1993-12-21 Texas Instruments Incorporated Reduced-speckle display system
US5224200A (en) * 1991-11-27 1993-06-29 The United States Of America As Represented By The Department Of Energy Coherence delay augmented laser beam homogenizer
US5313479A (en) * 1992-07-29 1994-05-17 Texas Instruments Incorporated Speckle-free display system using coherent light
ATE225947T1 (en) * 1999-04-12 2002-10-15 Deutsche Telekom Ag METHOD AND DEVICE FOR REDUCING THE FORMATION OF SPECKLE ON A PROJECTION SCREEN
US20020126479A1 (en) * 2001-03-08 2002-09-12 Ball Semiconductor, Inc. High power incoherent light source with laser array
EP1260850B1 (en) * 2001-05-25 2005-11-02 EADS Deutschland GmbH Method and device for removing stationary defects of images during projection with spatially or temporally coherent light and system for image projection
US6594090B2 (en) * 2001-08-27 2003-07-15 Eastman Kodak Company Laser projection display system
US7244032B2 (en) * 2003-05-28 2007-07-17 Fujinon Corporation Projector
EP1975680A1 (en) * 2007-03-31 2008-10-01 Sony Deutschland Gmbh Illumination device and method for illuminating uniformly an image generating micro display
US8059928B2 (en) * 2007-12-26 2011-11-15 Christie Digital Systems Usa, Inc. Decohered laser light production system

Also Published As

Publication number Publication date
WO2010015478A1 (en) 2010-02-11
GB2462444A (en) 2010-02-10

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)