Patent · US Active

Laminated pane with light source

US12311638B2 · kind B2 · utility

0Cited by

1References

21Claims

0Family size

Assignee

SAINT-GOBAIN GLASS FRANCE · FR

Inventors

Jefferson DO ROSARIO · Aachen, DE
Achim ZEICHNER · Herzogenrath, DE
Matthias Mandelartz · Herzogenrath, DE
Pierre Sarkissian · Herzogenrath, DE

Key dates

Filing date	Jan 19, 2023
Grant date	May 27, 2025
Priority date	—
Expiry date	Jan 19, 2043

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB32B2605/00
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A laminated pane with light source, includes an outer pane and an inner pane, a first thermoplastic film arranged between the outer pane and the inner pane, a functional element with electrically controllable optical properties, a darkened layer, a decoupling element for decoupling light from the inner pane, and a light source arranged on a side edge of the inner pane or in a recess of the inner pane for coupling light into the inner pane, wherein the darkened layer has at least one opaque region having a light transmittance of less than or equal to 50% and the opaque region is present at least within the region between the light source and the functional element.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.