Patent · US Active

Display device comprising a dichroic reflection layer having a plurality of recessed portions disposed with a corresponding plurality of quantum dot blocks

US11181778B2 · kind B2 · utility

0Cited by
3References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 22, 2019
Grant dateNov 23, 2021
Priority date
Expiry dateFeb 24, 2039

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2203/05
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention provides a display device, including: a first chromatic light source configured to generate first chromatic light, a dichroic reflection layer disposed on a light emergent side of the first chromatic light source and allowing the first chromatic light to pass through, and a quantum dot layer. The dichroic reflection layer has a first surface facing away from the first chromatic light source, and the first surface has a plurality of recessed portions. The quantum dot layer includes a plurality of quantum dot blocks, and the quantum dot blocks are disposed corresponding to the recessed portions.

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