Microreplicated optical film
A backlight includes a plurality of discrete light sources configured to face a display, and an optical film disposed on the light sources and below and proximate a first plane. The optical film includes a plurality of through-holes extending between first and second major surfaces of the optical fi...
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| creator | Kado, Sayaka Toyooka, Kazuhiko Shirotori, Hideaki Boyd, Gary T |
| description | A backlight includes a plurality of discrete light sources configured to face a display, and an optical film disposed on the light sources and below and proximate a first plane. The optical film includes a plurality of through-holes extending between first and second major surfaces of the optical film. Each through-hole has a first opening at the first major surface, and a second opening at the second major surface with an open area A2. Each through-hole has length, H, such that H/A2 is greater than or equal to about 0.13. The light from the light sources has a first overall peak intensity in the first plane, and a first brightness uniformity across the first plane, and in the absence of the optical film, the light from the light sources has a second overall peak intensity in the first plane, and a second brightness uniformity across the first plane, such that the first and second overall peak intensities are different by less than about 20%, and the first brightness uniformity exhibits an improvement over the second brightness uniformity by at least 2.8%. |
| format | Patent |
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The optical film includes a plurality of through-holes extending between first and second major surfaces of the optical film. Each through-hole has a first opening at the first major surface, and a second opening at the second major surface with an open area A2. Each through-hole has length, H, such that H/A2 is greater than or equal to about 0.13. 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The light from the light sources has a first overall peak intensity in the first plane, and a first brightness uniformity across the first plane, and in the absence of the optical film, the light from the light sources has a second overall peak intensity in the first plane, and a second brightness uniformity across the first plane, such that the first and second overall peak intensities are different by less than about 20%, and the first brightness uniformity exhibits an improvement over the second brightness uniformity by at least 2.8%.</description><subject>BLASTING</subject><subject>FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJDxzUwuyi9KLcjJTE4sSU1RyC8oAbJyFNIyc3J5GFjTEnOKU3mhNDeDoptriLOHbmpBfnxqcUFicmpeakl8aLChkaGhuZmJkZORMTFqALqCJBI</recordid><startdate>20241015</startdate><enddate>20241015</enddate><creator>Kado, Sayaka</creator><creator>Toyooka, Kazuhiko</creator><creator>Shirotori, Hideaki</creator><creator>Boyd, Gary T</creator><scope>EVB</scope></search><sort><creationdate>20241015</creationdate><title>Microreplicated optical film</title><author>Kado, Sayaka ; Toyooka, Kazuhiko ; Shirotori, Hideaki ; Boyd, Gary T</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US12117642B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2024</creationdate><topic>BLASTING</topic><topic>FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>Kado, Sayaka</creatorcontrib><creatorcontrib>Toyooka, Kazuhiko</creatorcontrib><creatorcontrib>Shirotori, Hideaki</creatorcontrib><creatorcontrib>Boyd, Gary T</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Kado, Sayaka</au><au>Toyooka, Kazuhiko</au><au>Shirotori, Hideaki</au><au>Boyd, Gary T</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Microreplicated optical film</title><date>2024-10-15</date><risdate>2024</risdate><abstract>A backlight includes a plurality of discrete light sources configured to face a display, and an optical film disposed on the light sources and below and proximate a first plane. 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| subjects | BLASTING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LIGHTING MECHANICAL ENGINEERING STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR WEAPONS |
| title | Microreplicated optical film |
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