Invention Grant
- Patent Title: Infrared optical filter having glass ceramic layer comprising 19-20% potassium oxide
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Application No.: US15340854Application Date: 2016-11-01
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Publication No.: US10175398B2Publication Date: 2019-01-08
- Inventor: Sung June Park , Sang Young Kim
- Applicant: Hyundai Motor Company
- Applicant Address: KR Seoul
- Assignee: Hyundai Motor Company
- Current Assignee: Hyundai Motor Company
- Current Assignee Address: KR Seoul
- Agency: Morgan, Lewis & Bockius LLP
- Priority: KR10-2016-0066703 20160530
- Main IPC: G02B5/28
- IPC: G02B5/28 ; G02B5/20 ; G02B5/22 ; C03C4/10

Abstract:
An infrared optical filter may include a glass ceramic layer, a multilayer oxide thin film formed on a first surface of the glass ceramic layer, and a low reflectivity coating layer formed on a second surface of the glass ceramic layer.
Public/Granted literature
- US20170343711A1 INFRARED OPTICAL FILTER Public/Granted day:2017-11-30
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