Patent · US Active

Ink composition, light conversion layer, and color filter

US12344752B2 · kind B2 · utility

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10Claims
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Key dates

Filing dateDec 23, 2019
Grant dateJul 1, 2025
Priority date
Expiry dateJul 11, 2042

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B2207/101
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An ink composition that contains light-emitting nanocrystalline particles, a photopolymerizable component containing at least one photopolymerizable compound and having a Hansen solubility parameter δp of 3.0 MPa0.5 or more, and a phosphite compound with a partial structure represented by the following formula (1).[In the formula (1), X1 to X3 independently denote an oxygen atom or a sulfur atom, R1 denotes an alkyl group, and * denotes a bonding arm.]

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