Patent · US Active

Color material dispersion liquid, color resin composition, color filter, liquid crystal display device, and light-emitting display device

US11655371B2 · kind B2 · utility

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5Claims
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Assignee

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Key dates

Filing dateJun 30, 2021
Grant dateMay 23, 2023
Priority date
Expiry dateOct 3, 2041

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2202/04
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A color filter including at least a transparent substrate and color layers disposed on the substrate. At least one of the color layers contains a compound which is represented by the following general formula (I): In general formula (I), “A” is a substituent group represented by the following general formula (IV):

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