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.

Date of Patent:
May. 13, 2025

Filed:

Aug. 18, 2022
Applicant:

Japan Display Inc., Tokyo, JP;

Inventors:

Kento Himoto, Tokyo, JP;

Takashi Nakamura, Tokyo, JP;

Assignee:

Japan Display Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10K 39/32 (2023.01); A61B 5/00 (2006.01); G06V 10/143 (2022.01); G06V 40/12 (2022.01); G06V 40/13 (2022.01); G06V 40/145 (2022.01);
U.S. Cl.
CPC ...
H10K 39/32 (2023.02); A61B 5/489 (2013.01); G06V 10/143 (2022.01); G06V 40/1318 (2022.01); G06V 40/1341 (2022.01); G06V 40/145 (2022.01);
Abstract

A detection device includes a substrate, a plurality of photodiodes provided on the substrate, a plurality of transistors provided correspondingly to the respective photodiodes, a plurality of gate lines that extend in a first direction, a plurality of signal lines that extend in a second direction intersecting the first direction, a plurality of lower electrodes that are provided between the transistors and the photodiodes in a direction orthogonal to the substrate, and are provided correspondingly to the respective photodiodes, an upper electrode provided so as to extend across the photodiodes, and a reflective layer provided between the substrate and each of the photodiodes in the direction orthogonal to the substrate. Each of the lower electrodes has a smaller area than an area defined by the gate lines and the signal lines, and the reflective layer is provided between the lower electrodes adjacent to each other in a plan view.


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