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FI20095197A0 - Kuvaprojektori ja kuvaprojektorissa käytettäväksi sopiva valaisuyksikkö - Google Patents

Kuvaprojektori ja kuvaprojektorissa käytettäväksi sopiva valaisuyksikkö

Info

Publication number
FI20095197A0
FI20095197A0 FI20095197A FI20095197A FI20095197A0 FI 20095197 A0 FI20095197 A0 FI 20095197A0 FI 20095197 A FI20095197 A FI 20095197A FI 20095197 A FI20095197 A FI 20095197A FI 20095197 A0 FI20095197 A0 FI 20095197A0
Authority
FI
Finland
Prior art keywords
light beam
light
image projector
diffractive
centerline
Prior art date
Application number
FI20095197A
Other languages
English (en)
Swedish (sv)
Inventor
Tuomas Vallius
Original Assignee
Epicrystals Oy
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 Epicrystals Oy filed Critical Epicrystals Oy
Priority to FI20095197A priority Critical patent/FI20095197A0/fi
Publication of FI20095197A0 publication Critical patent/FI20095197A0/fi
Priority to US13/203,834 priority patent/US8690341B2/en
Priority to PCT/FI2010/050106 priority patent/WO2010097505A1/en

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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1086—Beam splitting or combining systems operating by diffraction only
    • 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
    • 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
    • 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
    • G03B33/10—Simultaneous recording or projection
    • G03B33/12—Simultaneous recording or projection using beam-splitting or beam-combining systems, e.g. dichroic mirrors
    • 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
    • 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
    • G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
FI20095197A 2009-02-27 2009-02-27 Kuvaprojektori ja kuvaprojektorissa käytettäväksi sopiva valaisuyksikkö FI20095197A0 (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20095197A FI20095197A0 (fi) 2009-02-27 2009-02-27 Kuvaprojektori ja kuvaprojektorissa käytettäväksi sopiva valaisuyksikkö
US13/203,834 US8690341B2 (en) 2009-02-27 2010-02-18 Image projector and an illuminating unit suitable for use in an image projector
PCT/FI2010/050106 WO2010097505A1 (en) 2009-02-27 2010-02-18 Image projector and an illuminating unit suitable for use in an image projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20095197A FI20095197A0 (fi) 2009-02-27 2009-02-27 Kuvaprojektori ja kuvaprojektorissa käytettäväksi sopiva valaisuyksikkö

Publications (1)

Publication Number Publication Date
FI20095197A0 true FI20095197A0 (fi) 2009-02-27

Family

ID=40404694

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20095197A FI20095197A0 (fi) 2009-02-27 2009-02-27 Kuvaprojektori ja kuvaprojektorissa käytettäväksi sopiva valaisuyksikkö

Country Status (3)

Country Link
US (1) US8690341B2 (fi)
FI (1) FI20095197A0 (fi)
WO (1) WO2010097505A1 (fi)

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US9274349B2 (en) 2011-04-07 2016-03-01 Digilens Inc. Laser despeckler based on angular diversity
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US10670876B2 (en) 2011-08-24 2020-06-02 Digilens Inc. Waveguide laser illuminator incorporating a despeckler
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CN107873086B (zh) 2015-01-12 2020-03-20 迪吉伦斯公司 环境隔离的波导显示器
US9632226B2 (en) 2015-02-12 2017-04-25 Digilens Inc. Waveguide grating device
US11366316B2 (en) 2015-05-18 2022-06-21 Rockwell Collins, Inc. Head up display (HUD) using a light pipe
US10247943B1 (en) 2015-05-18 2019-04-02 Rockwell Collins, Inc. Head up display (HUD) using a light pipe
US10126552B2 (en) 2015-05-18 2018-11-13 Rockwell Collins, Inc. Micro collimator system and method for a head up display (HUD)
US10108010B2 (en) 2015-06-29 2018-10-23 Rockwell Collins, Inc. System for and method of integrating head up displays and head down displays
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US11513350B2 (en) 2016-12-02 2022-11-29 Digilens Inc. Waveguide device with uniform output illumination
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US20200225471A1 (en) 2019-01-14 2020-07-16 Digilens Inc. Holographic Waveguide Display with Light Control Layer
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Also Published As

Publication number Publication date
WO2010097505A1 (en) 2010-09-02
US8690341B2 (en) 2014-04-08
US20110310356A1 (en) 2011-12-22

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