DE69121195D1 - Integrierende lichtquelle mit einem fluoreszierenden reflektor zur verbesserten lichtemission und zum verbesserten farbgleichgewicht - Google Patents
Integrierende lichtquelle mit einem fluoreszierenden reflektor zur verbesserten lichtemission und zum verbesserten farbgleichgewichtInfo
- Publication number
- DE69121195D1 DE69121195D1 DE69121195T DE69121195T DE69121195D1 DE 69121195 D1 DE69121195 D1 DE 69121195D1 DE 69121195 T DE69121195 T DE 69121195T DE 69121195 T DE69121195 T DE 69121195T DE 69121195 D1 DE69121195 D1 DE 69121195D1
- Authority
- DE
- Germany
- Prior art keywords
- improved
- color balance
- light source
- light emission
- fluorescent reflector
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
- H04N1/0284—Using a single or a few point light sources, e.g. a laser diode in combination with a light integrating, concentrating or diffusing cavity
-
- 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
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
- F21V7/30—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings the coatings comprising photoluminescent substances
-
- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/06—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out ultraviolet radiation
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
- H04N1/0285—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array in combination with at least one reflector which is in fixed relation to the light source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
- H04N1/0286—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array in combination with a light integrating, concentrating or defusing cavity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
- H04N1/0287—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array using a tubular lamp or a combination of such lamps
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/633,721 US5079678A (en) | 1990-12-24 | 1990-12-24 | Integrating light source utilizing a fluorescing reflector for improved light emission and color balance |
PCT/US1991/009503 WO1992011568A1 (en) | 1990-12-24 | 1991-12-17 | Integrating light source utilizing a fluorescing reflector for improved light emission and color balance |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69121195D1 true DE69121195D1 (de) | 1996-09-05 |
DE69121195T2 DE69121195T2 (de) | 1997-02-20 |
Family
ID=24540841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69121195T Expired - Fee Related DE69121195T2 (de) | 1990-12-24 | 1991-12-17 | Integrierende lichtquelle mit einem fluoreszierenden reflektor zur verbesserten lichtemission und zum verbesserten farbgleichgewicht |
Country Status (5)
Country | Link |
---|---|
US (1) | US5079678A (de) |
EP (1) | EP0516835B1 (de) |
JP (1) | JPH05505252A (de) |
DE (1) | DE69121195T2 (de) |
WO (1) | WO1992011568A1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5215370A (en) * | 1991-11-25 | 1993-06-01 | Eastman Kodak Company | Linear light source |
US5453849A (en) * | 1994-02-07 | 1995-09-26 | Unisys Corporation | Integrating cylinder for object illumination |
US5386267A (en) * | 1994-02-16 | 1995-01-31 | Eastman Kodak Company | Light integrating cavity for a film scanner |
US5414489A (en) * | 1994-06-22 | 1995-05-09 | Eastman Kodak Company | Light pipe spectral filter |
US5442533A (en) * | 1994-06-22 | 1995-08-15 | Eastman Kodak Company | High efficiency linear light source |
US5757111A (en) * | 1995-04-03 | 1998-05-26 | Sato; Giichiro | Night light with phosphorescent element |
US5790281A (en) * | 1996-10-02 | 1998-08-04 | Xerox Corporation | Method of correcting the measured reflectance of an image acquired by an image acquisition device for the integrating cavity effect |
US6607794B1 (en) * | 1998-04-16 | 2003-08-19 | Alliedsignal Inc. | Light-reflecting molded articles and methods of making the same |
US6437861B1 (en) | 2000-02-16 | 2002-08-20 | Expo Photonic Solutions Inc. | Compact light integration interface |
US7048424B2 (en) * | 2002-08-14 | 2006-05-23 | Cross Match Technologies, Inc. | Light integrating column |
US7144131B2 (en) | 2004-09-29 | 2006-12-05 | Advanced Optical Technologies, Llc | Optical system using LED coupled with phosphor-doped reflective materials |
US7327408B1 (en) * | 2004-11-15 | 2008-02-05 | Lightmaster Systems, Inc. | Illuminator that generates linearly polarized light for microdisplay based light engine |
GB2473158B (en) * | 2005-09-06 | 2011-05-04 | Cintel Internat Ltd | Optical scatter correction for film scanners |
US7560710B2 (en) * | 2005-11-17 | 2009-07-14 | Lightmaster Systems, Inc. | Method and apparatus for increasing illuminator brightness in a liquid crystal on silicon (LCoS) based video projection system |
JP4947975B2 (ja) * | 2005-12-28 | 2012-06-06 | オリンパス株式会社 | 内視鏡装置および内視鏡用照明装置 |
JP4812430B2 (ja) * | 2005-12-28 | 2011-11-09 | オリンパス株式会社 | 内視鏡装置 |
DE102006022197B3 (de) * | 2006-05-12 | 2008-01-10 | Carl Zeiss Meditec Ag | Strahlungsquelle |
DE102009017535A1 (de) * | 2009-04-17 | 2010-10-21 | Dft Digital Film Technology Holding Gmbh | Vorrichtung und Verfahren zum Durchleuchten eines Films |
US9389188B2 (en) | 2010-12-22 | 2016-07-12 | Koninklijke Philips N.V. | Method and apparatus for testing optical films |
EP2656050B1 (de) * | 2010-12-22 | 2021-03-31 | Lumileds LLC | Verfahren und vorrichtung zum testen von lumineszenzfolien |
CN109254485B (zh) * | 2017-06-29 | 2021-05-14 | 深圳光峰科技股份有限公司 | 光源装置及投影系统 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3553463A (en) * | 1967-11-24 | 1971-01-05 | Xerox Corp | Radiation sensitive document scanning apparatus using helical scanner |
GB1429473A (en) * | 1972-04-25 | 1976-03-24 | Nat Res Dev | Sensors |
GB1499501A (en) * | 1974-05-03 | 1978-02-01 | Crosfield Electronics Ltd | Image reproduction systems |
US3935463A (en) * | 1974-12-05 | 1976-01-27 | Milton Roy Company | Spectrophotometer |
CH589307A5 (de) * | 1975-06-27 | 1977-06-30 | Bbc Brown Boveri & Cie | |
US4070763A (en) * | 1976-12-03 | 1978-01-31 | The United States Of America As Represented By The Secretary Of The Army | Aiming/sighting device |
US4320940A (en) * | 1978-06-19 | 1982-03-23 | Mueller Gary E | Optical filtering element |
US4320939A (en) * | 1978-06-19 | 1982-03-23 | Mueller Gary E | Optical filtering element including fluorescent material |
US4285029A (en) * | 1979-04-18 | 1981-08-18 | American Atomics Corporation | Self-luminous lighting system |
US4245282A (en) * | 1979-06-25 | 1981-01-13 | Sokol Peter L | Illuminating device |
DE2946191A1 (de) * | 1979-11-15 | 1981-05-21 | Siemens AG, 1000 Berlin und 8000 München | Farbige leuchte, z.b. fuer leuchtreklame, aussen- und innenbeleuchtung |
US4367930A (en) * | 1981-03-23 | 1983-01-11 | Eastman Kodak Company | Sound reproduction method and apparatus |
US4500173A (en) * | 1983-05-02 | 1985-02-19 | Timex Corporation | Electroluminescent lamp for liquid crystal display |
US4546416A (en) * | 1984-01-30 | 1985-10-08 | Pemberton J C | Phosphorescent flash-light |
JPS615202A (ja) * | 1984-06-20 | 1986-01-11 | Okuno Seiyaku Kogyo Kk | 赤色色光用無機素材光学フイルタ− |
SE461305B (sv) * | 1984-11-06 | 1990-01-29 | Labino Patent Ab | Armatur innefattande en laadformig kropp |
GB8523422D0 (en) * | 1985-09-23 | 1985-10-30 | Spectral Eng Ltd | Tritium light |
US4641925A (en) * | 1986-03-20 | 1987-02-10 | Motorola, Inc. | Liquid crystal display assembly with phosphorescent backlighting |
CA1299157C (en) * | 1986-12-19 | 1992-04-21 | Akira Tanaka | Illuminating apparatus |
US4830469A (en) * | 1987-02-13 | 1989-05-16 | U.S. Philips Corporation | Liquid crystalline color display cell having a phosphorescent substrate and U.V.-absorbing dichroic dye |
US4868383A (en) * | 1988-09-08 | 1989-09-19 | Eastman Kodak Company | Linear integrating cavity light source used for generating an intense beam of light |
US4933779A (en) * | 1988-09-08 | 1990-06-12 | Eastman Kodak Company | Image scanner apparatus of the drum type having an efficient line-of-light illumination system |
US4912605A (en) * | 1988-09-21 | 1990-03-27 | Tir Systems Ltd. | Illumination system which reduces loss of visibility caused by lamp failure |
US4864408A (en) * | 1988-10-31 | 1989-09-05 | Eastman Kodak Company | Light box with improved spectral response for CCD imager |
US4947207A (en) * | 1988-12-05 | 1990-08-07 | Eastman Kodak Company | Apparatus for exposing photographic materials |
US5012346A (en) * | 1989-10-16 | 1991-04-30 | Eastman Kodak Company | Illumination system for a film scanner |
-
1990
- 1990-12-24 US US07/633,721 patent/US5079678A/en not_active Expired - Lifetime
-
1991
- 1991-12-17 DE DE69121195T patent/DE69121195T2/de not_active Expired - Fee Related
- 1991-12-17 JP JP4503369A patent/JPH05505252A/ja active Pending
- 1991-12-17 WO PCT/US1991/009503 patent/WO1992011568A1/en active IP Right Grant
- 1991-12-17 EP EP92903703A patent/EP0516835B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH05505252A (ja) | 1993-08-05 |
US5079678A (en) | 1992-01-07 |
DE69121195T2 (de) | 1997-02-20 |
WO1992011568A1 (en) | 1992-07-09 |
EP0516835A1 (de) | 1992-12-09 |
EP0516835B1 (de) | 1996-07-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |