ITTO20060873A1 - Sistema di illuminamento a diodi led di tipo migliorato, in particolare per un videoproiettore - Google Patents

Sistema di illuminamento a diodi led di tipo migliorato, in particolare per un videoproiettore

Info

Publication number
ITTO20060873A1
ITTO20060873A1 IT000873A ITTO20060873A ITTO20060873A1 IT TO20060873 A1 ITTO20060873 A1 IT TO20060873A1 IT 000873 A IT000873 A IT 000873A IT TO20060873 A ITTO20060873 A IT TO20060873A IT TO20060873 A1 ITTO20060873 A1 IT TO20060873A1
Authority
IT
Italy
Prior art keywords
lighting system
video projector
improved
led lighting
diode led
Prior art date
Application number
IT000873A
Other languages
English (en)
Inventor
Renato Frison
Original Assignee
Sim2 Multimedia Spa
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 Sim2 Multimedia Spa filed Critical Sim2 Multimedia Spa
Priority to IT000873A priority Critical patent/ITTO20060873A1/it
Priority to TW096144890A priority patent/TW200825618A/zh
Priority to PCT/IB2007/003774 priority patent/WO2008068598A2/en
Publication of ITTO20060873A1 publication Critical patent/ITTO20060873A1/it

Links

Classifications

    • 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
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0994—Fibers, light pipes
    • 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
    • G02B27/1006—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
    • G02B27/1046—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with transmissive spatial light modulators
    • G02B27/1053—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with transmissive 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
    • G02B27/12—Beam splitting or combining systems operating by refraction only
    • G02B27/126—The splitting element being a prism or prismatic array, including systems based on total internal reflection
    • 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
    • G02B27/145—Beam splitting or combining systems operating by reflection only having sequential partially reflecting surfaces
    • 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
    • G03B21/2013—Plural 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Projection Apparatus (AREA)
IT000873A 2006-12-07 2006-12-07 Sistema di illuminamento a diodi led di tipo migliorato, in particolare per un videoproiettore ITTO20060873A1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT000873A ITTO20060873A1 (it) 2006-12-07 2006-12-07 Sistema di illuminamento a diodi led di tipo migliorato, in particolare per un videoproiettore
TW096144890A TW200825618A (en) 2006-12-07 2007-11-26 Improved LED illumination system, in particular for a video projector
PCT/IB2007/003774 WO2008068598A2 (en) 2006-12-07 2007-12-05 Improved led illumination system, in particular for a video projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000873A ITTO20060873A1 (it) 2006-12-07 2006-12-07 Sistema di illuminamento a diodi led di tipo migliorato, in particolare per un videoproiettore

Publications (1)

Publication Number Publication Date
ITTO20060873A1 true ITTO20060873A1 (it) 2008-06-08

Family

ID=39492677

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000873A ITTO20060873A1 (it) 2006-12-07 2006-12-07 Sistema di illuminamento a diodi led di tipo migliorato, in particolare per un videoproiettore

Country Status (3)

Country Link
IT (1) ITTO20060873A1 (it)
TW (1) TW200825618A (it)
WO (1) WO2008068598A2 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2501927B (en) * 2012-05-11 2016-06-08 Cymtec Ltd Waveguide assembly
GB2520252A (en) * 2013-11-12 2015-05-20 Cymtec Ltd Waveguide assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3960377B2 (ja) * 2002-07-19 2007-08-15 Ｎｅｃディスプレイソリューションズ株式会社 光源装置及び投写型表示装置
JP2004070018A (ja) * 2002-08-07 2004-03-04 Mitsubishi Electric Corp 投写装置の照明光学系構造及び投写装置
WO2004107018A1 (en) 2003-06-02 2004-12-09 Koninklijke Philips Electronics N.V. Led illumination system
JP2005038831A (ja) * 2003-07-03 2005-02-10 Olympus Corp 光学装置、照明装置、及びカラー照明装置
JP2006258900A (ja) * 2005-03-15 2006-09-28 Sanyo Electric Co Ltd 折り曲げ型ロッドインテグレータ及び照明装置及び投写型映像表示装置

Also Published As

Publication number Publication date
WO2008068598A3 (en) 2008-10-30
WO2008068598A2 (en) 2008-06-12
TW200825618A (en) 2008-06-16

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