Patent · US Active

Liquid crystal devices

US11215868B2 · kind B2 · utility

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5Claims
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Assignee

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Key dates

Filing dateOct 9, 2020
Grant dateJan 4, 2022
Priority date
Expiry dateOct 9, 2040

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2201/123
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A technique, comprising: removing a protective film from one side of a polarisation filter component to expose a dichroic doped polymer active film or a layer formed in situ on the dichroic doped polymer active film; and thereafter forming in situ on the side of the polarisation filter component one or more functional layers of a liquid crystal device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.