Patent · US Active

Display apparatus including a low refractive index layer

US12402508B2 · kind B2 · utility

0Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 28, 2023
Grant dateAug 26, 2025
Priority date
Expiry dateNov 28, 2043

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K2102/331

Abstract

A display apparatus includes a first through a third light-emitting devices, each including a first-color emission layer and being over a substrate; a second-color quantum dot layer over the second light-emitting device; a third-color quantum dot layer over the third light-emitting device; and a low refractive index layer over the second-color quantum dot layer and the third-color quantum dot layer to correspond to the first through third light-emitting devices, and including a matrix part and a plurality of particles in the matrix part, wherein a first portion of the matrix part close to the first through third light-emitting devices includes fluorine.

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