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:
Jun. 11, 2024
Filed:
Feb. 01, 2022
Vitrealab Gmbh, Vienna, AT;
Jonas Zeuner, Vienna, AT;
Chiara Greganti, Vienna, AT;
VITREALAB GMBH, Vienna, AT;
Abstract
Optical device for controlling light includes: a substrate with a boundary surface and with a border region contacting the boundary surface, a waveguide formed within the substrate for guiding a light beam, and an optical structure, wherein the waveguide bends towards the boundary surface of the substrate for directing the light beam at the optical structure, wherein the border region is arranged at least partially in an optical path between the waveguide and the optical structure, and wherein there is provided for a contact structure contacting the border region at the boundary surface, wherein the contact structure has a refractive index, which is lower than the refractive index of the substrate in the border region.