Invention Grant
- Patent Title: Multifunctional optical sheet having light shielding property
- Patent Title (中): 具有遮光性的多功能光学片
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Application No.: US13274667Application Date: 2011-10-17
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Publication No.: US08477415B2Publication Date: 2013-07-02
- Inventor: Seong Gyu Choi , Ki Sung Nam
- Applicant: Seong Gyu Choi , Ki Sung Nam
- Applicant Address: KR
- Assignee: S-Polytech Co., Ltd.
- Current Assignee: S-Polytech Co., Ltd.
- Current Assignee Address: KR
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: KR10-2011-0010139 20110201
- Main IPC: F21V9/04
- IPC: F21V9/04
Abstract:
A multifunctional optical sheet having a light shielding property is provided, which includes polycarbonate, a metal mixture, and a pigment. Since the metal mixture is composed of chrome, iron, and nickel, the visible light transmittance is improved, and the infrared rays are intercepted.
Public/Granted literature
- US20120194902A1 MULTIFUNCTIONAL OPTICAL SHEET HAVING LIGHT SHIELDING PROPERTY Public/Granted day:2012-08-02
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