OPTICAL MEMBER, PLANE LIGHT SOURCE DEVICE, DISPLAY DEVICE AND WAVELENGTH CONVERSION SHEET
To achieve thinness of a plane light source device by reducing an amount of wavelength conversion material.SOLUTION: An optical member includes: a selection transmission sheet 40 that includes a selection transmission part; and a wavelength conversion sheet 60 that includes a first surface serving a...
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| description | To achieve thinness of a plane light source device by reducing an amount of wavelength conversion material.SOLUTION: An optical member includes: a selection transmission sheet 40 that includes a selection transmission part; and a wavelength conversion sheet 60 that includes a first surface serving as a selection transmission sheet side, and a second surface facing the first surface. Transmittance of the selection transmission part as for light of a specific wavelength to be incident upon the selection transmission part at a certain angle of incidence larger than 0° is larger than that of the selection transmission part as for light of the specific wavelength to be incident upon the selection transmission part at the angle of incidence of 0°. The second surface includes a rugged surface. The wavelength conversion sheet includes a wavelength conversion agent that absorbs primary light and emits secondary light. The secondary light has a wavelength different from the primary light.SELECTED DRAWING: Figure 5
【課題】波長変換材の量を低減することにより光学部材や面光源装置の薄型を図る。【解決手段】光学部材は、選択透過部を含む選択透過シート４０と、選択透過シート側となる第１面および第１面と対向する第２面を含む波長変換シート６０と、を含む。０°より大きい或る入射角で選択透過部に入射する特定波長の光についての選択透過部の透過率は、０°の入射角で選択透過部に入射する前記特定波長の光についての選択透過部の透過率より大きい。第２面は凹凸面を含む。波長変換シートは、一次光を吸収して二次光を放出する波長変換剤を含む。二次光は一次光の波長と異なる波長を有する。【選択図】図５ |
| format | Patent |
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【課題】波長変換材の量を低減することにより光学部材や面光源装置の薄型を図る。【解決手段】光学部材は、選択透過部を含む選択透過シート４０と、選択透過シート側となる第１面および第１面と対向する第２面を含む波長変換シート６０と、を含む。０°より大きい或る入射角で選択透過部に入射する特定波長の光についての選択透過部の透過率は、０°の入射角で選択透過部に入射する前記特定波長の光についての選択透過部の透過率より大きい。第２面は凹凸面を含む。波長変換シートは、一次光を吸収して二次光を放出する波長変換剤を含む。二次光は一次光の波長と異なる波長を有する。【選択図】図５</description><language>eng ; jpn</language><subject>ADVERTISING ; BLASTING ; CRYPTOGRAPHY ; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ; DISPLAY ; DISPLAYING ; EDUCATION ; FREQUENCY-CHANGING ; HEATING ; LABELS OR NAME-PLATES ; LIGHTING ; MECHANICAL ENGINEERING ; NON-LINEAR OPTICS ; NON-PORTABLE LIGHTING DEVICES ; OPTICAL ANALOGUE/DIGITAL CONVERTERS ; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICAL LOGIC ELEMENTS ; OPTICS ; PHYSICS ; SEALS ; SIGNS ; SYSTEMS THEREOF ; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF ; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS ; WEAPONS</subject><creationdate>2023</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=20230609&DB=EPODOC&CC=JP&NR=2023081197A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76419</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230609&DB=EPODOC&CC=JP&NR=2023081197A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NISHIKAWA MARIE</creatorcontrib><title>OPTICAL MEMBER, PLANE LIGHT SOURCE DEVICE, DISPLAY DEVICE AND WAVELENGTH CONVERSION SHEET</title><description>To achieve thinness of a plane light source device by reducing an amount of wavelength conversion material.SOLUTION: An optical member includes: a selection transmission sheet 40 that includes a selection transmission part; and a wavelength conversion sheet 60 that includes a first surface serving as a selection transmission sheet side, and a second surface facing the first surface. Transmittance of the selection transmission part as for light of a specific wavelength to be incident upon the selection transmission part at a certain angle of incidence larger than 0° is larger than that of the selection transmission part as for light of the specific wavelength to be incident upon the selection transmission part at the angle of incidence of 0°. The second surface includes a rugged surface. The wavelength conversion sheet includes a wavelength conversion agent that absorbs primary light and emits secondary light. The secondary light has a wavelength different from the primary light.SELECTED DRAWING: Figure 5
【課題】波長変換材の量を低減することにより光学部材や面光源装置の薄型を図る。【解決手段】光学部材は、選択透過部を含む選択透過シート４０と、選択透過シート側となる第１面および第１面と対向する第２面を含む波長変換シート６０と、を含む。０°より大きい或る入射角で選択透過部に入射する特定波長の光についての選択透過部の透過率は、０°の入射角で選択透過部に入射する前記特定波長の光についての選択透過部の透過率より大きい。第２面は凹凸面を含む。波長変換シートは、一次光を吸収して二次光を放出する波長変換剤を含む。二次光は一次光の波長と異なる波長を有する。【選択図】図５</description><subject>ADVERTISING</subject><subject>BLASTING</subject><subject>CRYPTOGRAPHY</subject><subject>DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING</subject><subject>DISPLAY</subject><subject>DISPLAYING</subject><subject>EDUCATION</subject><subject>FREQUENCY-CHANGING</subject><subject>HEATING</subject><subject>LABELS OR NAME-PLATES</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>NON-LINEAR OPTICS</subject><subject>NON-PORTABLE LIGHTING DEVICES</subject><subject>OPTICAL ANALOGUE/DIGITAL CONVERTERS</subject><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICAL LOGIC ELEMENTS</subject><subject>OPTICS</subject><subject>PHYSICS</subject><subject>SEALS</subject><subject>SIGNS</subject><subject>SYSTEMS THEREOF</subject><subject>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><subject>VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNir0KwjAcB7s4iPoOf5wr9GNQx5j8bCJpEppY6VSKxEm0UN8fHfoATsdxt0w664LiTFON-oQmJaeZAWlVyUDeXhsOEmgVR0pC-V_tZidmBN1YCw1TBUncmhaNV9aQl0BYJ4vH8JziZuYq2Z4RuNzF8d3HaRzu8RU__cUVWVFmhzw_7ln51_QFUIExqA</recordid><startdate>20230609</startdate><enddate>20230609</enddate><creator>NISHIKAWA MARIE</creator><scope>EVB</scope></search><sort><creationdate>20230609</creationdate><title>OPTICAL MEMBER, PLANE LIGHT SOURCE DEVICE, DISPLAY DEVICE AND WAVELENGTH CONVERSION SHEET</title><author>NISHIKAWA MARIE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2023081197A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2023</creationdate><topic>ADVERTISING</topic><topic>BLASTING</topic><topic>CRYPTOGRAPHY</topic><topic>DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING</topic><topic>DISPLAY</topic><topic>DISPLAYING</topic><topic>EDUCATION</topic><topic>FREQUENCY-CHANGING</topic><topic>HEATING</topic><topic>LABELS OR NAME-PLATES</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>NON-LINEAR OPTICS</topic><topic>NON-PORTABLE LIGHTING DEVICES</topic><topic>OPTICAL ANALOGUE/DIGITAL CONVERTERS</topic><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICAL LOGIC ELEMENTS</topic><topic>OPTICS</topic><topic>PHYSICS</topic><topic>SEALS</topic><topic>SIGNS</topic><topic>SYSTEMS THEREOF</topic><topic>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</topic><topic>VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>NISHIKAWA MARIE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NISHIKAWA MARIE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>OPTICAL MEMBER, PLANE LIGHT SOURCE DEVICE, DISPLAY DEVICE AND WAVELENGTH CONVERSION SHEET</title><date>2023-06-09</date><risdate>2023</risdate><abstract>To achieve thinness of a plane light source device by reducing an amount of wavelength conversion material.SOLUTION: An optical member includes: a selection transmission sheet 40 that includes a selection transmission part; and a wavelength conversion sheet 60 that includes a first surface serving as a selection transmission sheet side, and a second surface facing the first surface. Transmittance of the selection transmission part as for light of a specific wavelength to be incident upon the selection transmission part at a certain angle of incidence larger than 0° is larger than that of the selection transmission part as for light of the specific wavelength to be incident upon the selection transmission part at the angle of incidence of 0°. The second surface includes a rugged surface. The wavelength conversion sheet includes a wavelength conversion agent that absorbs primary light and emits secondary light. The secondary light has a wavelength different from the primary light.SELECTED DRAWING: Figure 5
【課題】波長変換材の量を低減することにより光学部材や面光源装置の薄型を図る。【解決手段】光学部材は、選択透過部を含む選択透過シート４０と、選択透過シート側となる第１面および第１面と対向する第２面を含む波長変換シート６０と、を含む。０°より大きい或る入射角で選択透過部に入射する特定波長の光についての選択透過部の透過率は、０°の入射角で選択透過部に入射する前記特定波長の光についての選択透過部の透過率より大きい。第２面は凹凸面を含む。波長変換シートは、一次光を吸収して二次光を放出する波長変換剤を含む。二次光は一次光の波長と異なる波長を有する。【選択図】図５</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADVERTISING BLASTING CRYPTOGRAPHY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DISPLAY DISPLAYING EDUCATION FREQUENCY-CHANGING HEATING LABELS OR NAME-PLATES LIGHTING MECHANICAL ENGINEERING NON-LINEAR OPTICS NON-PORTABLE LIGHTING DEVICES OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEALS SIGNS SYSTEMS THEREOF TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS |
| title | OPTICAL MEMBER, PLANE LIGHT SOURCE DEVICE, DISPLAY DEVICE AND WAVELENGTH CONVERSION SHEET |
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