Invention Grant
- Patent Title: Optical unit for a fingerprint sensor and display device including the same
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Application No.: US16434154Application Date: 2019-06-06
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Publication No.: US10977468B2Publication Date: 2021-04-13
- Inventor: Ji Hun Ryu , Katsumasa Yoshii , Yun Ho Kim , Il Nam Kim , Eun Jin Sung
- Applicant: Samsung Display Co., Ltd.
- Applicant Address: KR Yongin-si
- Assignee: Samsung Display Co., Ltd.
- Current Assignee: Samsung Display Co., Ltd.
- Current Assignee Address: KR Yongin-si
- Agency: H.C. Park & Associates, PLC
- Priority: KR10-2018-0098600 20180823
- Main IPC: G06K9/00
- IPC: G06K9/00 ; G02B5/00 ; G02B5/04

Abstract:
An optical unit and a display device including same. The optical unit is for a fingerprint sensor of the display device, and the optical unit includes a first prism to block light rays incident at an angle greater than a detection target incident angle; and a second prism disposed under the first prism to block light rays incident at an angle less than the detection target incident angle.
Public/Granted literature
- US20200065547A1 OPTICAL UNIT FOR A FINGERPRINT SENSOR AND DISPLAY DEVICE INCLUDING THE SAME Public/Granted day:2020-02-27
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