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公开(公告)号：US20170210104A1
公开(公告)日：2017-07-27
申请号：US15514849
申请日：2015-09-30
Applicant: KOLON INDUSTRIES, INC.
Inventor： Jun Kil DOO , Sang Hwa SHIM , Chun Sung CHO
CPC classification number: B32B27/08 , B32B7/02 , B32B27/30 , B32B27/308 , B32B27/36 , B32B27/365 , B32B2250/40 , B32B2307/30 , B32B2307/412 , B32B2307/536 , B32B2307/546 , B32B2307/7265 , B32B2307/732 , B32B2307/734 , B32B2457/20
Abstract: This invention relates to a transparent plastic sheet including a support layer composed of a polycarbonate-based resin layer and a surface layer formed on the support layer and composed of a polymethylmethacrylate-based resin layer having a glass transition temperature of 120 to 135° C., wherein the polymethylmethacrylate-based resin layer has a thickness corresponding to 5 to 20% of a total thickness of the sheet, and the sheet has a total transmittance of 89 to 94% based on ASTM D1003, whereby the transparent plastic sheet can be minimally deformed under high-temperature and high-humidity conditions and can thus be usefully applied as a window cover for various display products, in lieu of glass.
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公开(公告)号：US20170307806A1
公开(公告)日：2017-10-26
申请号：US15513240
申请日：2015-09-25
Applicant: KOLON INDUSTRIES, INC.
Inventor： Min Jeong KIM , Kyoung Hwa KIM , Sang Hwa SHIM , Chun Sung CHO
IPC: F21V8/00 , G02F1/1335
CPC classification number: G02B6/0065 , G02B6/0015 , G02B6/003 , G02F1/133602
Abstract: This invention relates to a light guide plate and a backlight unit including the same, and more particularly to a light guide plate, which is configured such that a surface layer having desired optical properties and hardness is provided in the form of a thin film on one surface of a substrate layer having excellent optical properties and exhibiting dimensional stability regardless of an external environment, thus manifesting superior processability and scratch resistance and minimizing luminance degradation, and to a backlight unit including the same.
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