Patent · US Active

Ink compositions with narrow band emission phosphor materials

US11312876B2 · kind B2 · utility

2Cited by
27References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 19, 2021
Grant dateApr 26, 2022
Priority date
Expiry dateJan 19, 2041

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10H20/882
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An ink composition is provided. The composition includes a binder material and at least one narrow band emission phosphor being uniformly dispersed throughout the composition, wherein the narrow band emission phosphor has a D50 particle size from about 0.1 μm to about 15 μm and is selected from the group consisting of a green-emitting U6+-containing phosphor, a green-emitting Mn2+-containing phosphor, a red-emitting phosphor based on complex fluoride materials activated by Mn4+, and a mixture thereof. A device is also provided.

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