- Patent Title: Polarizing plate and optical display apparatus comprising the same
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Application No.: US17381550Application Date: 2021-07-21
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Publication No.: US12253705B2Publication Date: 2025-03-18
- Inventor: Bong Choon Kim , Jun Mo Koo , Dong Yoon Shin , Jung Hun You , 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: Womble Bond Dickinson (US) LLP
- Priority: KR10-2020-0091948 20200723
- Main IPC: G02B5/30
- IPC: G02B5/30 ; G02B1/04 ; G02F1/13363

Abstract:
A polarizing plate and an optical display apparatus including the same are provided. A polarizing plate includes a polarizer; and a first retardation layer and a second retardation layer sequentially stacked on a lower surface of the polarizer, and the first retardation layer has an in-plane retardation of about 180 nm to about 220 nm at a wavelength of about 550 nm; and the second retardation layer has an in-plane retardation of about 80 nm to about 100 nm at a wavelength of about 550 nm.
Public/Granted literature
- US20220026614A1 POLARIZING PLATE AND OPTICAL DISPLAY APPARATUS COMPRISING THE SAME Public/Granted day:2022-01-27
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