OPTICAL FILTER
To provide an optical filter, even in a high incidence angle, having little variations in transmissivity in a visible light region, and having excellent transparency in the visible light region and shielding properties in a near infrared light region.SOLUTION: An optical filter according to the pres...
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| creator | SHIONO KAZUHIKO OSADA TAKASHI |
| description | To provide an optical filter, even in a high incidence angle, having little variations in transmissivity in a visible light region, and having excellent transparency in the visible light region and shielding properties in a near infrared light region.SOLUTION: An optical filter according to the present invention comprises a base material and a dielectric multilayer film stacked as an outermost layer on at least one main surface side of the base material. The base material has a near infrared ray absorption glass and a resin film. The resin film is 10 μm or less in thickness, and includes a resin and a dye (NIR1). The optical filter satisfies all of predetermined spectral characteristics (i-1) to (i-3), (i-6) to (i-8), etc.SELECTED DRAWING: Figure 1
【課題】本発明は、高入射角においても可視光領域の透過率変化が少なく、可視光領域の透過性と近赤外光領域の遮蔽性に優れた光学フィルタの提供を目的とする。【解決手段】本発明は、基材と、前記基材の少なくとも一方の主面側に最外層として積層された誘電体多層膜とを備える光学フィルタであって、前記基材は、近赤外線吸収ガラスと、樹脂膜とを有し、前記樹脂膜は、厚さが１０μｍ以下であり、樹脂と、色素（ＮＩＲ１）とを含み、前記光学フィルタが所定の分光特性（ｉ－１）～（ｉ－３）、（ｉ－６）～（ｉ－８）等をすべて満たす光学フィルタに関する。【選択図】図１ |
| format | Patent |
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【課題】本発明は、高入射角においても可視光領域の透過率変化が少なく、可視光領域の透過性と近赤外光領域の遮蔽性に優れた光学フィルタの提供を目的とする。【解決手段】本発明は、基材と、前記基材の少なくとも一方の主面側に最外層として積層された誘電体多層膜とを備える光学フィルタであって、前記基材は、近赤外線吸収ガラスと、樹脂膜とを有し、前記樹脂膜は、厚さが１０μｍ以下であり、樹脂と、色素（ＮＩＲ１）とを含み、前記光学フィルタが所定の分光特性（ｉ－１）～（ｉ－３）、（ｉ－６）～（ｉ－８）等をすべて満たす光学フィルタに関する。【選択図】図１</description><language>eng ; jpn</language><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICS ; PHYSICS</subject><creationdate>2024</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=20240719&DB=EPODOC&CC=JP&NR=2024098014A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240719&DB=EPODOC&CC=JP&NR=2024098014A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHIONO KAZUHIKO</creatorcontrib><creatorcontrib>OSADA TAKASHI</creatorcontrib><title>OPTICAL FILTER</title><description>To provide an optical filter, even in a high incidence angle, having little variations in transmissivity in a visible light region, and having excellent transparency in the visible light region and shielding properties in a near infrared light region.SOLUTION: An optical filter according to the present invention comprises a base material and a dielectric multilayer film stacked as an outermost layer on at least one main surface side of the base material. The base material has a near infrared ray absorption glass and a resin film. The resin film is 10 μm or less in thickness, and includes a resin and a dye (NIR1). The optical filter satisfies all of predetermined spectral characteristics (i-1) to (i-3), (i-6) to (i-8), etc.SELECTED DRAWING: Figure 1
【課題】本発明は、高入射角においても可視光領域の透過率変化が少なく、可視光領域の透過性と近赤外光領域の遮蔽性に優れた光学フィルタの提供を目的とする。【解決手段】本発明は、基材と、前記基材の少なくとも一方の主面側に最外層として積層された誘電体多層膜とを備える光学フィルタであって、前記基材は、近赤外線吸収ガラスと、樹脂膜とを有し、前記樹脂膜は、厚さが１０μｍ以下であり、樹脂と、色素（ＮＩＲ１）とを含み、前記光学フィルタが所定の分光特性（ｉ－１）～（ｉ－３）、（ｉ－６）～（ｉ－８）等をすべて満たす光学フィルタに関する。【選択図】図１</description><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICS</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZODzDwjxdHb0UXDz9AlxDeJhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfFeAUYGRiYGlhYGhiaOxkQpAgD-ih1X</recordid><startdate>20240719</startdate><enddate>20240719</enddate><creator>SHIONO KAZUHIKO</creator><creator>OSADA TAKASHI</creator><scope>EVB</scope></search><sort><creationdate>20240719</creationdate><title>OPTICAL FILTER</title><author>SHIONO KAZUHIKO ; OSADA TAKASHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2024098014A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2024</creationdate><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICS</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>SHIONO KAZUHIKO</creatorcontrib><creatorcontrib>OSADA TAKASHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SHIONO KAZUHIKO</au><au>OSADA TAKASHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>OPTICAL FILTER</title><date>2024-07-19</date><risdate>2024</risdate><abstract>To provide an optical filter, even in a high incidence angle, having little variations in transmissivity in a visible light region, and having excellent transparency in the visible light region and shielding properties in a near infrared light region.SOLUTION: An optical filter according to the present invention comprises a base material and a dielectric multilayer film stacked as an outermost layer on at least one main surface side of the base material. The base material has a near infrared ray absorption glass and a resin film. The resin film is 10 μm or less in thickness, and includes a resin and a dye (NIR1). The optical filter satisfies all of predetermined spectral characteristics (i-1) to (i-3), (i-6) to (i-8), etc.SELECTED DRAWING: Figure 1
【課題】本発明は、高入射角においても可視光領域の透過率変化が少なく、可視光領域の透過性と近赤外光領域の遮蔽性に優れた光学フィルタの提供を目的とする。【解決手段】本発明は、基材と、前記基材の少なくとも一方の主面側に最外層として積層された誘電体多層膜とを備える光学フィルタであって、前記基材は、近赤外線吸収ガラスと、樹脂膜とを有し、前記樹脂膜は、厚さが１０μｍ以下であり、樹脂と、色素（ＮＩＲ１）とを含み、前記光学フィルタが所定の分光特性（ｉ－１）～（ｉ－３）、（ｉ－６）～（ｉ－８）等をすべて満たす光学フィルタに関する。【選択図】図１</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS |
| title | OPTICAL FILTER |
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