Invention Grant
- Patent Title: Liquid crystal phase difference film, polarizing plate for light-emitting display device including same, and light-emitting display device including same
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Application No.: US16756438Application Date: 2018-09-11
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Publication No.: US11809044B2Publication Date: 2023-11-07
- Inventor: Jin Hee Choi , Jin Sook Kim , Jung Hun You , Sun Hong Park , Sang Hum Lee
- Applicant: SAMSUNG SDI CO., LTD.
- Applicant Address: KR Yongin-si
- Assignee: Samsung SDI Co., Ltd.
- Current Assignee: Samsung SDI Co., Ltd.
- Current Assignee Address: KR Yongin-si
- Agency: Lewis Roca Rothgerber Christie LLP
- Priority: KR 20170137783 2017.10.23
- International Application: PCT/KR2018/010579 2018.09.11
- International Announcement: WO2019/083160A 2019.05.02
- Date entered country: 2020-04-15
- Main IPC: G02F1/13363
- IPC: G02F1/13363 ; G02F1/1337 ; G02F1/1335

Abstract:
A liquid crystal retardation film, a polarizing plate for light emitting displays including the same, and a light emitting display including the same are provided. The liquid crystal retardation film includes: a first retardation layer having no alignment layer, a UV absorbent primer layer, and a second retardation layer sequentially formed in the stated order, wherein each of the first retardation layer and the second retardation layer may be a liquid crystal layer.
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