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IP Verse

Vehicle Window Pane Having Pdlc Film With A Defined Droplet Size Distribution For Reducing The Corona Effect - EP3658980

The patent EP3658980 was granted to Saint Gobain on Mar 26, 2025. The application was filed on Jun 26, 2018 under application number EP18732125A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3658980

SAINT GOBAIN
Application Number
EP18732125A
Filing Date
Jun 26, 2018
Status
Patent Maintained As Amended
Feb 21, 2025
Publication Date
Mar 26, 2025
External Links
Slate, Register, Google Patents

Patent Summary

Vehicle window with reduced corona effect when viewing a light source through the window. The window comprises a laminated glass structure with a PDLC or SPD layer sandwiched between two glass panes and one or more polymer layers. The PDLC layer contains liquid crystal droplets with an average size of more than 2 µm and a relative standard deviation of more than 30%, which reduces the corona effect when viewing a light source through the window.

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Patent Family

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CompanyOpposition DateRepresentativeOpposition Status
PILKINGTON GROUPApr 28, 2022STANLEYADMISSIBLE

Patent Citations (21) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONDE102013214249
DESCRIPTIONDE202013006516U
DESCRIPTIONEP0551138
DESCRIPTIONEP0564869
DESCRIPTIONEP0598086
DESCRIPTIONWO2016008375
INTERNATIONAL-SEARCH-REPORTDE102013214249
INTERNATIONAL-SEARCH-REPORTDE202013006516U
INTERNATIONAL-SEARCH-REPORTWO2016008375
OPPOSITIONGB2445841
OPPOSITIONUS2005206832
OPPOSITIONUS2012307337
OPPOSITIONUS2015301366
OPPOSITIONUS2015331296
OPPOSITIONUS5200845
OPPOSITIONUS6055088
OPPOSITIONUS6355315
OPPOSITIONWO2007122428
OPPOSITIONWO2007122429
OPPOSITIONWO2009000521
OPPOSITIONWO2019020298

Dossier Documents

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