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:
Apr. 14, 2025
Filed:
Feb. 10, 2022
Applicant:
Japan Display Inc., Tokyo, JP;
Inventors:
Masanobu Ikeda, Minato-ku, JP;
Yasuhiro Kanaya, Minato-ku, JP;
Assignee:
Japan Display Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 31/0224 (2005.12); H01L 31/02 (2005.12); H01L 31/0216 (2013.12); H01L 33/32 (2009.12);
U.S. Cl.
CPC ...
H01L 31/02161 (2012.12); H01L 31/02024 (2012.12); H01L 31/0224 (2012.12); H01L 33/32 (2012.12);
Abstract
A photo detecting device comprising: a substrate; a plurality of photoelectric conversion elements provided to the substrate and configured to output a detection signal corresponding to light with which the photoelectric conversion elements are irradiated; at least one or more light emitting elements provided to the substrate; and a control circuit configured to set a wavelength of light output from the light emitting element by controlling an electric current flowing through the light emitting element.