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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.:

US 10411161 B1

PDFFull Text
Date of Patent:
Sep. 10, 2019

Filed:

Sep. 09, 2016

Light-emitting device having a built-in light sensor

Applicant:

Aledia, Grenoble, FR;

Inventors:

Tiphaine Dupont, Grenoble, FR;

Erwan Dornel, Fontaine, FR;

Assignee:

Aledia, Grenoble, FR;

Attorney:

Wolf, Greenfield & Sacks, P.C.

Primary Examiner:

Grant S Withers

Int. Cl.
CPC ...
H01L 31/173 (2006.01); H01L 33/26 (2010.01); H01L 31/12 (2006.01); H01L 31/103 (2006.01); H01L 27/15 (2006.01); H01L 33/00 (2010.01); H01L 33/40 (2010.01); H01L 33/56 (2010.01); H01L 33/08 (2010.01); H01L 33/18 (2010.01); H01L 33/24 (2010.01); H01L 33/38 (2010.01);
U.S. Cl.
CPC ...
H01L 33/26 (2013.01); H01L 27/153 (2013.01); H01L 31/103 (2013.01); H01L 31/12 (2013.01); H01L 31/125 (2013.01); H01L 31/173 (2013.01); H01L 33/005 (2013.01); H01L 33/40 (2013.01); H01L 33/56 (2013.01); H01L 33/08 (2013.01); H01L 33/18 (2013.01); H01L 33/24 (2013.01); H01L 33/38 (2013.01); H01L 2933/0016 (2013.01);
Abstract

A light-emitting device including a substrate at least partially doped with a first conductivity type and including a first surface and light-emitting diodes, each diode including at least one three-dimensional semiconductor element, which is or is not doped with the first conductivity type. The semiconductor elements rest on a continuous first portion of the first surface and at least one semiconductor region that forms a photodiode that is at least partially doped with a second conductivity type which is opposite the first conductivity type, and extends into the substrate from a second portion of the first surface that is separate from the first portion.

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