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. 27, 2021
Filed:
Feb. 20, 2018
Applicant:
Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;
Inventors:
Jean-Francois Mainguet, Grenoble, FR;
Francois Templier, Grenoble, FR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); H01L 27/146 (2006.01); H01L 31/173 (2006.01); H01L 27/16 (2006.01); H01L 31/024 (2014.01); H01L 37/02 (2006.01); H01L 33/32 (2010.01);
U.S. Cl.
CPC ...
H01L 27/14678 (2013.01); G06K 9/0004 (2013.01); H01L 27/14694 (2013.01); H01L 27/16 (2013.01); H01L 31/024 (2013.01); H01L 31/173 (2013.01); H01L 33/32 (2013.01); H01L 37/02 (2013.01);
Abstract
A papillary print sensor is provided, including a light emitting device configured to emit light radiation towards the sensor; and a matrix photodetector configured to be sensitive to at least part of an emission spectrum of the light emitting device, the light emitting device and the matrix photodetector being distributed together in and/or above a same semiconducting substrate, the light emitting device being composed of at least one gallium nitride light emitting diode (LED) with a series of through openings.