Invention Grant
- Patent Title: Vehicle window pane with polymer film with defined droplet size distribution
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Application No.: US16615443Application Date: 2018-06-26
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Publication No.: US11262610B2Publication Date: 2022-03-01
- Inventor: Michael Labrot , Florian Manz , Jefferson Do Rosario
- Applicant: SAINT-GOBAIN GLASS FRANCE
- Applicant Address: FR Courbevoie
- Assignee: SAINT-GOBAIN GLASS FRANCE
- Current Assignee: SAINT-GOBAIN GLASS FRANCE
- Current Assignee Address: FR Courbevoie
- Agency: Pillsbury Winthrop Shaw Pittman LLP
- Priority: EP17183421 20170727
- International Application: PCT/EP2018/067069 WO 20180626
- International Announcement: WO2019/020298 WO 20190131
- Main IPC: G02F1/1334
- IPC: G02F1/1334 ; B32B17/10 ; G02F1/17 ; B60J1/02

Abstract:
A vehicle window pane, includes, in this sequence, a first glass pane, one or a plurality of polymer layers, a PDLC layer, including a polymer matrix in which liquid crystal droplets are embedded, wherein an electrically conductive layer is arranged in each case on both sides of the PDLC layer, or an SPD layer, including a polymer matrix in which suspension droplets are embedded, in which light-polarizing particles are suspended, wherein an electrically conductive layer is arranged in each case on both sides of the SPD layer, one or a plurality of polymer layers, and a second glass pane, wherein, in the case of the PDLC layer, the liquid crystal droplets or, in the case of the SPD layer, the suspension droplets have an average size of more than 2 μm. The vehicle window pane can be switched between a transparent state and a turbid or opaque state.
Public/Granted literature
- US20200174293A1 VEHICLE WINDOW PANE WITH PDLC FILM WITH DEFINED DROPLET SIZE DISTRIBUTION FOR REDUCING THE CORONA EFFECT Public/Granted day:2020-06-04
Information query
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