Patent · US Active

Composite material for lighting filtering, lighting apparatus, and method for determining doping concentration or thickness of composite material

US10830398B2 · kind B2 · utility

1Cited by
0References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 2016
Grant dateNov 10, 2020
Priority date
Expiry dateJun 28, 2037

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02B20/00
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A composite material (11,21) for light filtering, comprising: a polymeric matrix material and particles of neodymium compound doped in the polymeric matrix material. A lighting apparatus (10,20) comprises the composite material. A method for determining a doping concentration of particles of neodymium compound in the composite material, and a method for determining a thickness of the composite material are also described.

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