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.

Date of Patent:
Apr. 26, 2022

Filed:

Feb. 01, 2019
Applicant:

Saint-gobain Glass France, Courbevoie, FR;

Inventors:

Valentin Schulz, Niederzier, DE;

Marcel Klein, Baesweiler, DE;

Sebastian Schurse, Übach-Palenberg, DE;

Assignee:

SAINT-GOBAIN GLASS FRANCE, Courbevoie, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02F 1/1335 (2006.01); G02F 1/1334 (2006.01); G02F 1/17 (2019.01);
U.S. Cl.
CPC ...
G02F 1/133553 (2013.01); G02B 6/001 (2013.01); G02F 1/1334 (2013.01); G02F 1/172 (2013.01);
Abstract

A composite pane having electrically controllable optical properties, includes an outer pane, a first intermediate layer, a second intermediate layer, and an inner pane, a functional element having electrically controllable optical properties, which is arranged between the first intermediate layer and the second intermediate layer, and a thermoplastic frame layer, which surrounds the functional element in the manner of a frame, wherein the outer pane and the inner pane are joined to one another via the first intermediate layer, the second intermediate layer, and the thermoplastic frame layer, and an optical waveguide is arranged at least partially between the outer pane and the inner pane.


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