Invention Grant
- Patent Title: Fingerprint sensor and display device including the same
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Application No.: US16875185Application Date: 2020-05-15
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Publication No.: US11322557B2Publication Date: 2022-05-03
- Inventor: Ji Hun Ryu , Jin Oh Kwag
- 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: Lewis Roca Rothgerber Christie LLP
- Priority: KR10-2019-0062644 20190528
- Main IPC: G06F3/041
- IPC: G06F3/041 ; H01L27/32 ; G06K9/00 ; H01L51/52

Abstract:
A fingerprint sensor includes: a substrate; a circuit element layer on a first surface of the substrate and including a plurality of conductive layers; a light emitting element layer on the circuit element layer and including light emitting elements and a light shielding layer; and a light sensor layer on a second surface of the substrate and including light sensors, wherein the light shielding layer includes contact holes exposing first electrodes of the light emitting elements, and first opening portions exposing a portion of the circuit element layer, and the circuit element layer includes second opening portions formed in the plurality of conductive layers and includes a light transmission hole of which at least a portion overlaps the first opening portions.
Public/Granted literature
- US20200381492A1 FINGERPRINT SENSOR AND DISPLAY DEVICE INCLUDING THE SAME Public/Granted day:2020-12-03
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