Invention Grant
- Patent Title: Device for testing optical properties and method for testing optical properties
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Application No.: US16329976Application Date: 2017-08-29
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Publication No.: US10823892B2Publication Date: 2020-11-03
- Inventor: Min Yeong Jo , Jin Yong Park , Dong Min Park , Won Chul Lee , Ki Jun Jung
- Applicant: LG CHEM, LTD.
- Applicant Address: KR Seoul
- Assignee: LG CHEM, LTD.
- Current Assignee: LG CHEM, LTD.
- Current Assignee Address: KR Seoul
- Agency: Dentons US LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@5dc80126
- International Application: PCT/KR2017/009414 WO 20170829
- International Announcement: WO2018/044030 WO 20180308
- Main IPC: G01J4/00
- IPC: G01J4/00 ; G02B5/30 ; G01M11/00 ; G01J9/00 ; G01N21/88
Abstract:
The present application relates to a device for testing optical properties and a method for testing optical properties using the same. The device of the present application has inexpensive manufacturing and maintenance costs, is capable of testing a wide range of plane directional phase differences, and provides the method for testing optical properties with improved identification efficiency of the phase retardation axis.
Public/Granted literature
- US20190196081A1 DEVICE FOR TESTING OPTICAL PROPERTIES AND METHOD FOR TESTING OPTICAL PROPERTIES Public/Granted day:2019-06-27
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