ILLUMINATION UNIT AND PROJECTOR
An illumination unit of the present disclosure includes an excitation light source, a phosphor section, an excitation-light intensity distribution generation section, and an illumination optical system. The excitation light source emits excitation light. The phosphor section includes a fluorescent l...
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| creator | KOBAYASHI, IZUSHI SATO, YOSHIHISA |
| description | An illumination unit of the present disclosure includes an excitation light source, a phosphor section, an excitation-light intensity distribution generation section, and an illumination optical system. The excitation light source emits excitation light. The phosphor section includes a fluorescent light-emission surface that performs fluorescent light emission in response to receiving of the excitation light. The excitation-light intensity distribution generation section is provided between the excitation light source and the phosphor section, and varies an intensity distribution of the excitation light to bring the intensity distribution of the excitation light closer to a desired excitation-light intensity distribution on the fluorescent light-emission surface. The illumination optical system generates, on the basis of light derived from the fluorescent light emission from the phosphor section, illumination light with which an image display device is to be irradiated. |
| format | Patent |
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The excitation light source emits excitation light. The phosphor section includes a fluorescent light-emission surface that performs fluorescent light emission in response to receiving of the excitation light. The excitation-light intensity distribution generation section is provided between the excitation light source and the phosphor section, and varies an intensity distribution of the excitation light to bring the intensity distribution of the excitation light closer to a desired excitation-light intensity distribution on the fluorescent light-emission surface. The illumination optical system generates, on the basis of light derived from the fluorescent light emission from the phosphor section, illumination light with which an image display device is to be irradiated.</description><language>eng</language><subject>ACCESSORIES THEREFOR ; ADVERTISING ; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES ; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM ; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION ; CINEMATOGRAPHY ; CRYPTOGRAPHY ; DISPLAY ; EDUCATION ; ELECTROGRAPHY ; HOLOGRAPHY ; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICS ; PHOTOGRAPHY ; PHYSICS ; SEALS</subject><creationdate>2020</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20201126&DB=EPODOC&CC=US&NR=2020372844A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20201126&DB=EPODOC&CC=US&NR=2020372844A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KOBAYASHI, IZUSHI</creatorcontrib><creatorcontrib>SATO, YOSHIHISA</creatorcontrib><title>ILLUMINATION UNIT AND PROJECTOR</title><description>An illumination unit of the present disclosure includes an excitation light source, a phosphor section, an excitation-light intensity distribution generation section, and an illumination optical system. The excitation light source emits excitation light. The phosphor section includes a fluorescent light-emission surface that performs fluorescent light emission in response to receiving of the excitation light. The excitation-light intensity distribution generation section is provided between the excitation light source and the phosphor section, and varies an intensity distribution of the excitation light to bring the intensity distribution of the excitation light closer to a desired excitation-light intensity distribution on the fluorescent light-emission surface. The illumination optical system generates, on the basis of light derived from the fluorescent light emission from the phosphor section, illumination light with which an image display device is to be irradiated.</description><subject>ACCESSORIES THEREFOR</subject><subject>ADVERTISING</subject><subject>APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES</subject><subject>APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM</subject><subject>ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION</subject><subject>CINEMATOGRAPHY</subject><subject>CRYPTOGRAPHY</subject><subject>DISPLAY</subject><subject>EDUCATION</subject><subject>ELECTROGRAPHY</subject><subject>HOLOGRAPHY</subject><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICS</subject><subject>PHOTOGRAPHY</subject><subject>PHYSICS</subject><subject>SEALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJD39PEJ9fX0cwzx9PdTCPXzDFFw9HNRCAjy93J1DvEP4mFgTUvMKU7lhdLcDMpuriHOHrqpBfnxqcUFicmpeakl8aHBRgZGBsbmRhYmJo6GxsSpAgBtyCK6</recordid><startdate>20201126</startdate><enddate>20201126</enddate><creator>KOBAYASHI, IZUSHI</creator><creator>SATO, YOSHIHISA</creator><scope>EVB</scope></search><sort><creationdate>20201126</creationdate><title>ILLUMINATION UNIT AND PROJECTOR</title><author>KOBAYASHI, IZUSHI ; SATO, YOSHIHISA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2020372844A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2020</creationdate><topic>ACCESSORIES THEREFOR</topic><topic>ADVERTISING</topic><topic>APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES</topic><topic>APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM</topic><topic>ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION</topic><topic>CINEMATOGRAPHY</topic><topic>CRYPTOGRAPHY</topic><topic>DISPLAY</topic><topic>EDUCATION</topic><topic>ELECTROGRAPHY</topic><topic>HOLOGRAPHY</topic><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICS</topic><topic>PHOTOGRAPHY</topic><topic>PHYSICS</topic><topic>SEALS</topic><toplevel>online_resources</toplevel><creatorcontrib>KOBAYASHI, IZUSHI</creatorcontrib><creatorcontrib>SATO, YOSHIHISA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KOBAYASHI, IZUSHI</au><au>SATO, YOSHIHISA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ILLUMINATION UNIT AND PROJECTOR</title><date>2020-11-26</date><risdate>2020</risdate><abstract>An illumination unit of the present disclosure includes an excitation light source, a phosphor section, an excitation-light intensity distribution generation section, and an illumination optical system. The excitation light source emits excitation light. The phosphor section includes a fluorescent light-emission surface that performs fluorescent light emission in response to receiving of the excitation light. The excitation-light intensity distribution generation section is provided between the excitation light source and the phosphor section, and varies an intensity distribution of the excitation light to bring the intensity distribution of the excitation light closer to a desired excitation-light intensity distribution on the fluorescent light-emission surface. The illumination optical system generates, on the basis of light derived from the fluorescent light emission from the phosphor section, illumination light with which an image display device is to be irradiated.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACCESSORIES THEREFOR ADVERTISING APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CINEMATOGRAPHY CRYPTOGRAPHY DISPLAY EDUCATION ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS SEALS |
| title | ILLUMINATION UNIT AND PROJECTOR |
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