Invention Grant
- Patent Title: Fingerprint detection apparatus and display apparatus
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Application No.: US17033040Application Date: 2020-09-25
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Publication No.: US11450135B2Publication Date: 2022-09-20
- Inventor: Makoto Uchida , Takanori Tsunashima , Masahiro Tada , Tomoyuki Ito , Takashi Nakamura
- Applicant: Japan Display Inc.
- Applicant Address: JP Tokyo
- Assignee: Japan Display Inc.
- Current Assignee: Japan Display Inc.
- Current Assignee Address: JP Tokyo
- Agency: K&L Gates LLP
- Priority: JPJP2018-060124 20180327
- Main IPC: G06V40/13
- IPC: G06V40/13 ; H01L27/146 ; G06F3/044

Abstract:
A fingerprint detection apparatus comprising: an insulating substrate; a plurality of photoelectric conversion elements arrayed in a detection region of the insulating substrate, each of the photoelectric conversion elements configured to output a signal in accordance with light incident on each of the photoelectric conversion elements; first switching element, each corresponding to each of the photoelectric conversion elements and including a first semiconductor made of oxide semiconductor; a plurality of gate lines coupled with the first switching elements and extending in a first direction; a plurality of signal lines coupled with the first switching elements and extending in a second direction intersecting the first direction; and a gate line drive circuit including a second switching element that includes a second semiconductor made of polycrystalline silicone, the gate line drive circuit being provided in a peripheral region outside the detection region and configured to drive the gate lines.
Public/Granted literature
- US20210012082A1 FINGERPRINT DETECTION APPARATUS AND DISPLAY APPARATUS Public/Granted day:2021-01-14
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