Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 9, 2022
Patent Application Number
17321792
Date Filed
May 17, 2021
Patent Citations Received
Patent Primary Examiner
A cholesteric liquid crystal device has an optical response opposite to that of the Prior Art. The liquid crystal device takes advantage of a unique and unusual effect in cholesteric liquid crystals where pressure applied to the device with a pointed stylus, without applying a voltage, creates a transmissive texture as opposed to the planar texture of the Prior Art.
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