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 videoproiettoreInfo
- 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
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)
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)
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)
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 |
-
2006
- 2006-12-07 IT IT000873A patent/ITTO20060873A1/it unknown
-
2007
- 2007-11-26 TW TW096144890A patent/TW200825618A/zh unknown
- 2007-12-05 WO PCT/IB2007/003774 patent/WO2008068598A2/en active Application Filing
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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ITTO20060873A1 (it) | Sistema di illuminamento a diodi led di tipo migliorato, in particolare per un videoproiettore |