A vehicle windowpane, especially sunroof pane, is proposed, comprising a composite structure having an outer pane body (16) and an inner pane body (18, 18') and a sunshade arrangement (20) disposed between the outer pane body (16) and the inner pane body (18), and a polymer-dispersed liquid-crystal layer (26) disposed between two polymer films (28, 30). At least one of the polymer films (28, 30) and/or the polymer-dispersed liquid-crystal layer (26) are/is provided with a black colour such that the composite construction in the transmitting state of the liquid-crystal layer has a transmissibility for visible light of less than 30%, and in the blocking state has a transmissibility for visible light of not more than 8%.
FAHRZEUGSCHEIBE MIT PDLC-BESCHATTUNGSANORDNUNG
VEHICLE WINDOWPANE WITH PDLC SUNSHADE ARRANGEMENT
VITRE DE VÉHICULE AVEC AGENCEMENT DE PARE-SOLEIL À CRISTAUX LIQUIDES DISPERSÉS DANS DES POLYMÈRES
2024-03-27
Patent
Elektronische Ressource
Deutsch
IPC: | B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse |
Europäisches Patentamt | 2019
|Europäisches Patentamt | 2022
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