US 12,311,638 B2
Laminated pane with light source
Jefferson Do Rosario, Herzogenrath (DE); Achim Zeichner, Herzogenrath (DE); Matthias Mandelartz, Herzogenrath (DE); and Pierre Sarkissian, Herzogenrath (DE)
Assigned to SAINT-GOBAIN GLASS FRANCE, Courbevoie (FR)
Appl. No. 18/707,431
Filed by SAINT-GOBAIN GLASS FRANCE, Courbevoie (FR)
PCT Filed Jan. 19, 2023, PCT No. PCT/EP2023/051256
§ 371(c)(1), (2) Date May 3, 2024,
PCT Pub. No. WO2023/144007, PCT Pub. Date Aug. 3, 2023.
Claims priority of application No. 22154153 (EP), filed on Jan. 31, 2022.
Prior Publication US 2025/0050624 A1, Feb. 13, 2025
Int. Cl. B32B 17/10 (2006.01); G02F 1/1335 (2006.01)
CPC B32B 17/10541 (2013.01) [B32B 17/10036 (2013.01); B32B 17/10504 (2013.01); B32B 17/10651 (2013.01); B32B 17/10935 (2013.01); G02F 1/133512 (2013.01); B32B 2605/00 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A laminated pane with light source, comprising:
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 peripheral 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 a region between the light source and the functional element.