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. 21, 2021
Filed:
Nov. 30, 2017
Commissariat À L'énergie Atomique ET Aux Énergies Alternatives, Paris, FR;
François Templier, Grenoble, FR;
Salim Boutami, Grenoble, FR;
Abstract
An optoelectronic device including an active area capable of supplying an electromagnetic radiation and sandwiched between first and second semiconductor layers, the first semiconductor layer delimiting a surface, the optoelectronic device further including a diffraction grating capable of extracting the electromagnetic radiation from the first semiconductor layer, the diffraction grating including holes extending in the first semiconductor layer from said surface, the width of the holes measured in a plane parallel to said surface increasing from a central portion of the diffraction grating to a peripheral portion of the diffraction grating.