TRANSMISSION SCREEN AND MANUFACTURE THEREFOR
PURPOSE:To improve the image formation of images, the enlargement of a visual field angle, clearness and external light contrast and to improve light utilizing efficiency by disposing a transparent board on which specific light diffusing particles are laminated by a printing method on the light emit...
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| creator | KAJITA MITSURU |
| description | PURPOSE:To improve the image formation of images, the enlargement of a visual field angle, clearness and external light contrast and to improve light utilizing efficiency by disposing a transparent board on which specific light diffusing particles are laminated by a printing method on the light emitting side of a transmission screen. CONSTITUTION:A lenticular lens 2 is disposed on the light emitting side of a Fresnel lens 1. Projecting surfaces present in respective boundaries between semicylinders present on the light emitting side of the lenticular lens 2 are black stripes 3. Then, a light diffusing particle layer 5 is provided sticking to the black stripes 3 and the particle layer 5 is laminated on the transparent board 4. In such constitution, an important point is the transparent board 4 on which the light deffusing particle layer is laminated and especially, characteristics are provided in the particle layer 5. That is, for the light diffusing particles to be sued, practically spherical high polymer particles whose average grain size is 1-100 microns, preferably 5-50 microns and most preferably 5-10 microns are used. |
| format | Patent |
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CONSTITUTION:A lenticular lens 2 is disposed on the light emitting side of a Fresnel lens 1. Projecting surfaces present in respective boundaries between semicylinders present on the light emitting side of the lenticular lens 2 are black stripes 3. Then, a light diffusing particle layer 5 is provided sticking to the black stripes 3 and the particle layer 5 is laminated on the transparent board 4. In such constitution, an important point is the transparent board 4 on which the light deffusing particle layer is laminated and especially, characteristics are provided in the particle layer 5. That is, for the light diffusing particles to be sued, practically spherical high polymer particles whose average grain size is 1-100 microns, preferably 5-50 microns and most preferably 5-10 microns are used.</description><edition>5</edition><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 ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; ELECTROGRAPHY ; HOLOGRAPHY ; PHOTOGRAPHY ; PHYSICS ; PICTORIAL COMMUNICATION, e.g. TELEVISION</subject><creationdate>1994</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=19941104&DB=EPODOC&CC=JP&NR=H06311464A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19941104&DB=EPODOC&CC=JP&NR=H06311464A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KAJITA MITSURU</creatorcontrib><title>TRANSMISSION SCREEN AND MANUFACTURE THEREFOR</title><description>PURPOSE:To improve the image formation of images, the enlargement of a visual field angle, clearness and external light contrast and to improve light utilizing efficiency by disposing a transparent board on which specific light diffusing particles are laminated by a printing method on the light emitting side of a transmission screen. CONSTITUTION:A lenticular lens 2 is disposed on the light emitting side of a Fresnel lens 1. Projecting surfaces present in respective boundaries between semicylinders present on the light emitting side of the lenticular lens 2 are black stripes 3. Then, a light diffusing particle layer 5 is provided sticking to the black stripes 3 and the particle layer 5 is laminated on the transparent board 4. In such constitution, an important point is the transparent board 4 on which the light deffusing particle layer is laminated and especially, characteristics are provided in the particle layer 5. That is, for the light diffusing particles to be sued, practically spherical high polymer particles whose average grain size is 1-100 microns, preferably 5-50 microns and most preferably 5-10 microns are used.</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>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>ELECTROGRAPHY</subject><subject>HOLOGRAPHY</subject><subject>PHOTOGRAPHY</subject><subject>PHYSICS</subject><subject>PICTORIAL COMMUNICATION, e.g. TELEVISION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1994</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNAJCXL0C_b1DA729PdTCHYOcnX1U3D0c1HwdfQLdXN0DgkNclUI8XANcnXzD-JhYE1LzClO5YXS3AyKbq4hzh66qQX58anFBYnJqXmpJfFeAR4GZsaGhiZmJo7GxKgBALtVJZ4</recordid><startdate>19941104</startdate><enddate>19941104</enddate><creator>KAJITA MITSURU</creator><scope>EVB</scope></search><sort><creationdate>19941104</creationdate><title>TRANSMISSION SCREEN AND MANUFACTURE THEREFOR</title><author>KAJITA MITSURU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH06311464A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1994</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>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>ELECTROGRAPHY</topic><topic>HOLOGRAPHY</topic><topic>PHOTOGRAPHY</topic><topic>PHYSICS</topic><topic>PICTORIAL COMMUNICATION, e.g. TELEVISION</topic><toplevel>online_resources</toplevel><creatorcontrib>KAJITA MITSURU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KAJITA MITSURU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>TRANSMISSION SCREEN AND MANUFACTURE THEREFOR</title><date>1994-11-04</date><risdate>1994</risdate><abstract>PURPOSE:To improve the image formation of images, the enlargement of a visual field angle, clearness and external light contrast and to improve light utilizing efficiency by disposing a transparent board on which specific light diffusing particles are laminated by a printing method on the light emitting side of a transmission screen. CONSTITUTION:A lenticular lens 2 is disposed on the light emitting side of a Fresnel lens 1. Projecting surfaces present in respective boundaries between semicylinders present on the light emitting side of the lenticular lens 2 are black stripes 3. Then, a light diffusing particle layer 5 is provided sticking to the black stripes 3 and the particle layer 5 is laminated on the transparent board 4. In such constitution, an important point is the transparent board 4 on which the light deffusing particle layer is laminated and especially, characteristics are provided in the particle layer 5. That is, for the light diffusing particles to be sued, practically spherical high polymer particles whose average grain size is 1-100 microns, preferably 5-50 microns and most preferably 5-10 microns are used.</abstract><edition>5</edition><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 ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION |
| title | TRANSMISSION SCREEN AND MANUFACTURE THEREFOR |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-14T21%3A42%3A37IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=KAJITA%20MITSURU&rft.date=1994-11-04&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EJPH06311464A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |