Patent · US Active

Multicolor display apparatus

US11137670B2 · kind B2 · utility

1Cited by
4References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 1, 2018
Grant dateOct 5, 2021
Priority date
Expiry dateJun 1, 2038

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K2102/331
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Disclosed is a color conversion layer including at least one light emitting material including at least one composite particle surrounded partially or totally by at least one surrounding medium; wherein the light emitting material is configured to emit light in response to an excitation and the at least one composite particle includes a plurality of nanoparticles encapsulated in an inorganic material; and wherein the inorganic material has a difference of refractive index compared to the at least one surrounding medium superior or equal to 0.02 at 450 nm. Also disclosed is a display apparatus.

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