SHEET-SHAPED LIGHT GUIDE BODY
PROBLEM TO BE SOLVED: To provide a sheet-shaped light guide body excellent in light volume uniformity and capable of obtaining an illumination device without the need of sophisticated optical design.SOLUTION: The sheet-shaped light guide body 1 including at least one light-incident face 4 and at lea...
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creator | WAKUI YASUO |
description | PROBLEM TO BE SOLVED: To provide a sheet-shaped light guide body excellent in light volume uniformity and capable of obtaining an illumination device without the need of sophisticated optical design.SOLUTION: The sheet-shaped light guide body 1 including at least one light-incident face 4 and at least one light emission face 5 is provided with a light guide body 10 in which a plurality of high-refractive-index layers 2 each composed of transparent resin with a refractive index 1 satisfying 1.45≤ 1 |
format | Patent |
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On the light guide body 10, a plurality of recesses 6a to 6c which become deeper along a lamination direction of the high-refractive-index layers 2 and the low-refractive-index layers 3 are formed, and they are arranged along an extended direction of the high-refractive-index layers 2 and the low-refractive-index layers 3 so that depths H1 to H3 become gradually deeper as they are apart from the light-incident face 4.</description><language>eng</language><subject>BLASTING ; HEATING ; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED ; LIGHTING ; MECHANICAL ENGINEERING ; NON-PORTABLE LIGHTING DEVICES ; SYSTEMS THEREOF ; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS ; WEAPONS</subject><creationdate>2013</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=20130328&DB=EPODOC&CC=JP&NR=2013058318A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130328&DB=EPODOC&CC=JP&NR=2013058318A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WAKUI YASUO</creatorcontrib><title>SHEET-SHAPED LIGHT GUIDE BODY</title><description>PROBLEM TO BE SOLVED: To provide a sheet-shaped light guide body excellent in light volume uniformity and capable of obtaining an illumination device without the need of sophisticated optical design.SOLUTION: The sheet-shaped light guide body 1 including at least one light-incident face 4 and at least one light emission face 5 is provided with a light guide body 10 in which a plurality of high-refractive-index layers 2 each composed of transparent resin with a refractive index 1 satisfying 1.45≤ 1<1.6 and a plurality of low-refractive-index layers 3 each composed of transparent resin with a refractive index 2 satisfying 1.35≤ 2<1.45 are alternately laminated in a perpendicular direction to the light-incident face 4. On the light guide body 10, a plurality of recesses 6a to 6c which become deeper along a lamination direction of the high-refractive-index layers 2 and the low-refractive-index layers 3 are formed, and they are arranged along an extended direction of the high-refractive-index layers 2 and the low-refractive-index layers 3 so that depths H1 to H3 become gradually deeper as they are apart from the light-incident face 4.</description><subject>BLASTING</subject><subject>HEATING</subject><subject>INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>NON-PORTABLE LIGHTING DEVICES</subject><subject>SYSTEMS THEREOF</subject><subject>VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2013</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJAN9nB1DdEN9nAMcHVR8PF09whRcA_1dHFVcPJ3ieRhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfFeAUYGhsYGphbGhhaOxkQpAgC7KyFF</recordid><startdate>20130328</startdate><enddate>20130328</enddate><creator>WAKUI YASUO</creator><scope>EVB</scope></search><sort><creationdate>20130328</creationdate><title>SHEET-SHAPED LIGHT GUIDE BODY</title><author>WAKUI YASUO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2013058318A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2013</creationdate><topic>BLASTING</topic><topic>HEATING</topic><topic>INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>NON-PORTABLE LIGHTING DEVICES</topic><topic>SYSTEMS THEREOF</topic><topic>VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>WAKUI YASUO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WAKUI YASUO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SHEET-SHAPED LIGHT GUIDE BODY</title><date>2013-03-28</date><risdate>2013</risdate><abstract>PROBLEM TO BE SOLVED: To provide a sheet-shaped light guide body excellent in light volume uniformity and capable of obtaining an illumination device without the need of sophisticated optical design.SOLUTION: The sheet-shaped light guide body 1 including at least one light-incident face 4 and at least one light emission face 5 is provided with a light guide body 10 in which a plurality of high-refractive-index layers 2 each composed of transparent resin with a refractive index 1 satisfying 1.45≤ 1<1.6 and a plurality of low-refractive-index layers 3 each composed of transparent resin with a refractive index 2 satisfying 1.35≤ 2<1.45 are alternately laminated in a perpendicular direction to the light-incident face 4. On the light guide body 10, a plurality of recesses 6a to 6c which become deeper along a lamination direction of the high-refractive-index layers 2 and the low-refractive-index layers 3 are formed, and they are arranged along an extended direction of the high-refractive-index layers 2 and the low-refractive-index layers 3 so that depths H1 to H3 become gradually deeper as they are apart from the light-incident face 4.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | BLASTING HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS |
title | SHEET-SHAPED LIGHT GUIDE BODY |
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