The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 06, 2022
Filed:
Apr. 19, 2021
Applicant:
Japan Display Inc., Tokyo, JP;
Inventors:
Takashi Nakamura, Minato-ku, JP;
Makoto Uchida, Minato-ku, JP;
Takanori Tsunashima, Minato-ku, JP;
Hirofumi Kato, Minato-ku, JP;
Akio Takimoto, Minato-ku, JP;
Assignee:
Japan Display Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06V 40/13 (2022.01);
U.S. Cl.
CPC ...
G06V 40/1318 (2022.01);
Abstract
A fingerprint detection device includes a substrate, a plurality of photoelectric conversion elements that are provided to the substrate and each output a signal corresponding to light emitted thereto, a plurality of signal lines coupled to the photoelectric conversion elements, a detection circuit that is electrically coupled to the photoelectric conversion elements through the signal lines, and a signal line selection circuit that switches the number of the signal lines to be coupled to the one detection circuit.