Invention Grant
- Patent Title: Privacy securing film
- Patent Title (中): 隐私保护电影
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Application No.: US14592189Application Date: 2015-01-08
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Publication No.: US09568650B2Publication Date: 2017-02-14
- Inventor: Byoung-Woo Hwang
- Applicant: SEWHA P&C CO., LTD.
- Applicant Address: KR Yongin-si, Gyeonggi-do
- Assignee: SEWHA P&C CO., LTD.
- Current Assignee: SEWHA P&C CO., LTD.
- Current Assignee Address: KR Yongin-si, Gyeonggi-do
- Agency: Rabin & Berdo, P.C.
- Priority: KR10-2014-0062861 20140526
- Main IPC: G02B27/00
- IPC: G02B27/00 ; G02B5/00 ; G02B1/14

Abstract:
A privacy securing film comprises a louver film consisting of transparent layers and opaque layers arranged alternately, wherein the opaque layer is made of light-absorbing beads having a mean diameter of 0.2 to 20 micrometers and binder bonding said beads each other and adjacent transparent layers, and being characterized in a micro-roughness formed at the interface between the transparent layer and the opaque layer due to the presence of said beads. The privacy securing film of the present invention has a simplified structure, excellent appearance with a simple manufacturing process as well as reduces the creation of a ghost image significantly, as compared with conventional ones.
Public/Granted literature
- US20150338558A1 PRIVACY SECURING FILM Public/Granted day:2015-11-26
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