Reflection type screen
The reflection type screen comprises a reflection layer which is disposed on the opposite side to the projected light incident side of the screen, a horizontal view angle increasing layer which is disposed on the light incident side of the reflection layer, and a diffusion layer which is disposed on...
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| creator | AIURA TOMOYUKI TAKIGUCHI HARUHISA ABUMI TAKAO YOSHINAKA SHUICHI |
| description | The reflection type screen comprises a reflection layer which is disposed on the opposite side to the projected light incident side of the screen, a horizontal view angle increasing layer which is disposed on the light incident side of the reflection layer, and a diffusion layer which is disposed on the light incident side of the horizontal view angle increasing layer. The horizontal view angle increasing layer has an array of convex ridges which are raised in a rear direction of the screen. Since the longitudinal direction of the ridges is aligned with the vertical direction of the screen, the view angle characteristics of the screen in a horizontal direction are improved and the diffusion characteristics of the screen in a vertical direction can be suppressed for preventing external disturbing light from an upper illumination light from being reflected toward the observers. |
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The horizontal view angle increasing layer has an array of convex ridges which are raised in a rear direction of the screen. Since the longitudinal direction of the ridges is aligned with the vertical direction of the screen, the view angle characteristics of the screen in a horizontal direction are improved and the diffusion characteristics of the screen in a vertical direction can be suppressed for preventing external disturbing light from an upper illumination light from being reflected toward the observers.</description><language>eng</language><subject>ACCESSORIES THEREFOR ; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES ; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM ; CINEMATOGRAPHY ; ELECTROGRAPHY ; HOLOGRAPHY ; PHOTOGRAPHY ; PHYSICS</subject><creationdate>2008</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=20080325&DB=EPODOC&CC=US&NR=7349154B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080325&DB=EPODOC&CC=US&NR=7349154B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>AIURA TOMOYUKI</creatorcontrib><creatorcontrib>TAKIGUCHI HARUHISA</creatorcontrib><creatorcontrib>ABUMI TAKAO</creatorcontrib><creatorcontrib>YOSHINAKA SHUICHI</creatorcontrib><title>Reflection type screen</title><description>The reflection type screen comprises a reflection layer which is disposed on the opposite side to the projected light incident side of the screen, a horizontal view angle increasing layer which is disposed on the light incident side of the reflection layer, and a diffusion layer which is disposed on the light incident side of the horizontal view angle increasing layer. The horizontal view angle increasing layer has an array of convex ridges which are raised in a rear direction of the screen. Since the longitudinal direction of the ridges is aligned with the vertical direction of the screen, the view angle characteristics of the screen in a horizontal direction are improved and the diffusion characteristics of the screen in a vertical direction can be suppressed for preventing external disturbing light from an upper illumination light from being reflected toward the observers.</description><subject>ACCESSORIES THEREFOR</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>CINEMATOGRAPHY</subject><subject>ELECTROGRAPHY</subject><subject>HOLOGRAPHY</subject><subject>PHOTOGRAPHY</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2008</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBALSk3LSU0uyczPUyipLEhVKE4uSk3N42FgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8aHB5sYmloamJk5GxkQoAQBqpCFe</recordid><startdate>20080325</startdate><enddate>20080325</enddate><creator>AIURA TOMOYUKI</creator><creator>TAKIGUCHI HARUHISA</creator><creator>ABUMI TAKAO</creator><creator>YOSHINAKA SHUICHI</creator><scope>EVB</scope></search><sort><creationdate>20080325</creationdate><title>Reflection type screen</title><author>AIURA TOMOYUKI ; TAKIGUCHI HARUHISA ; ABUMI TAKAO ; YOSHINAKA SHUICHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US7349154B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2008</creationdate><topic>ACCESSORIES THEREFOR</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>CINEMATOGRAPHY</topic><topic>ELECTROGRAPHY</topic><topic>HOLOGRAPHY</topic><topic>PHOTOGRAPHY</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>AIURA TOMOYUKI</creatorcontrib><creatorcontrib>TAKIGUCHI HARUHISA</creatorcontrib><creatorcontrib>ABUMI TAKAO</creatorcontrib><creatorcontrib>YOSHINAKA SHUICHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>AIURA TOMOYUKI</au><au>TAKIGUCHI HARUHISA</au><au>ABUMI TAKAO</au><au>YOSHINAKA SHUICHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Reflection type screen</title><date>2008-03-25</date><risdate>2008</risdate><abstract>The reflection type screen comprises a reflection layer which is disposed on the opposite side to the projected light incident side of the screen, a horizontal view angle increasing layer which is disposed on the light incident side of the reflection layer, and a diffusion layer which is disposed on the light incident side of the horizontal view angle increasing layer. The horizontal view angle increasing layer has an array of convex ridges which are raised in a rear direction of the screen. Since the longitudinal direction of the ridges is aligned with the vertical direction of the screen, the view angle characteristics of the screen in a horizontal direction are improved and the diffusion characteristics of the screen in a vertical direction can be suppressed for preventing external disturbing light from an upper illumination light from being reflected toward the observers.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHY PHYSICS |
| title | Reflection type screen |
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