GB0420233D0 - Efficient light engine for projection application - Google Patents
Efficient light engine for projection applicationInfo
- Publication number
- GB0420233D0 GB0420233D0 GBGB0420233.9A GB0420233A GB0420233D0 GB 0420233 D0 GB0420233 D0 GB 0420233D0 GB 0420233 A GB0420233 A GB 0420233A GB 0420233 D0 GB0420233 D0 GB 0420233D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- light engine
- efficient light
- projection application
- projection
- application
- 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.)
- Ceased
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
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/0977—Reflective elements
- G02B27/0983—Reflective elements being curved
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
- G02B19/0066—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED in the form of an LED array
-
- 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
-
- 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
- G03B21/2066—Reflectors in illumination beam
-
- 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
- G03B21/2073—Polarisers in the lamp house
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
- F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0008—Reflectors for light sources providing for indirect lighting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0025—Combination of two or more reflectors for a single light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
- F21Y2103/33—Elongate light sources, e.g. fluorescent tubes curved annular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Projection Apparatus (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0420233.9A GB0420233D0 (en) | 2004-09-11 | 2004-09-11 | Efficient light engine for projection application |
PCT/GB2005/003514 WO2006027621A2 (en) | 2004-09-11 | 2005-09-09 | Light engine for projection application |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0420233.9A GB0420233D0 (en) | 2004-09-11 | 2004-09-11 | Efficient light engine for projection application |
Publications (1)
Publication Number | Publication Date |
---|---|
GB0420233D0 true GB0420233D0 (en) | 2004-10-13 |
Family
ID=33186891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB0420233.9A Ceased GB0420233D0 (en) | 2004-09-11 | 2004-09-11 | Efficient light engine for projection application |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB0420233D0 (en) |
WO (1) | WO2006027621A2 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7330314B1 (en) * | 2007-02-28 | 2008-02-12 | Corning Incorporated | Color combiner for solid-state light sources |
GB2457296A (en) * | 2008-02-09 | 2009-08-12 | Apticol Ltd | Optical device e.g. radiant-power-transferring light engine |
DE102011085978A1 (en) * | 2011-11-09 | 2013-05-16 | Osram Gmbh | LASER FLASH DEVICE WITH LASER ARRAY |
EP2795185B1 (en) * | 2011-12-21 | 2017-11-15 | Martin Professional ApS | Light collecting system with a number of reflector pairs |
EP2664958B1 (en) * | 2012-05-18 | 2015-10-28 | Ricoh Company, Ltd. | Light source apparatus and image projection apparatus |
CN103454844A (en) | 2012-05-29 | 2013-12-18 | 中强光电股份有限公司 | Lighting system and projecting device |
JP6007861B2 (en) * | 2012-08-06 | 2016-10-12 | 株式会社リコー | Optical deflector and image projection apparatus |
JP6160274B2 (en) * | 2012-08-16 | 2017-07-12 | 株式会社リコー | Image projection device |
JP6179792B2 (en) * | 2013-02-26 | 2017-08-16 | 株式会社リコー | Light source device and image projection device provided with the same |
JP6168387B2 (en) | 2013-02-26 | 2017-07-26 | 株式会社リコー | Light source device and image projection device provided with the same |
JP6236811B2 (en) | 2013-03-14 | 2017-11-29 | 株式会社リコー | Light source unit, illumination device, and image projection device |
JP6349784B2 (en) | 2013-03-14 | 2018-07-04 | 株式会社リコー | Light source unit, illumination device, and image projection device |
CN104102080A (en) * | 2013-04-10 | 2014-10-15 | 台达电子工业股份有限公司 | Light source module and projection apparatus applying same |
DE102013110344B4 (en) * | 2013-09-19 | 2022-09-01 | HELLA GmbH & Co. KGaA | Lighting device for vehicles for generating tail light and rear fog light functions |
US20180100635A1 (en) * | 2016-10-07 | 2018-04-12 | Christie Digital Systems Usa, Inc. | Apparatus for combining light beams |
CN106444255A (en) * | 2016-12-27 | 2017-02-22 | 海信集团有限公司 | Laser projection apparatus and laser light source thereof |
EP3431868A1 (en) * | 2017-07-21 | 2019-01-23 | Philips Lighting Holding B.V. | Catadioptric lighting device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5534718A (en) * | 1993-04-12 | 1996-07-09 | Hsi-Huang Lin | LED package structure of LED display |
JPH0950000A (en) * | 1995-06-02 | 1997-02-18 | Matsushita Electric Ind Co Ltd | Polarizing direction converting illumination device and projection type picture display device |
JP2000162542A (en) * | 1998-11-30 | 2000-06-16 | Canon Inc | Light irradiator and picture projector |
US6356390B1 (en) * | 2000-06-22 | 2002-03-12 | Thomson Licensing, S.A. | Light valve light source |
KR100450815B1 (en) * | 2002-02-01 | 2004-10-01 | 삼성전자주식회사 | Illumination system and projection display device employing it |
CN100383660C (en) * | 2003-01-22 | 2008-04-23 | 三洋电机株式会社 | Lighting device and projection image display |
-
2004
- 2004-09-11 GB GBGB0420233.9A patent/GB0420233D0/en not_active Ceased
-
2005
- 2005-09-09 WO PCT/GB2005/003514 patent/WO2006027621A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2006027621A3 (en) | 2006-06-08 |
WO2006027621A2 (en) | 2006-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AT | Applications terminated before publication under section 16(1) |