Patent · US Active

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

US11242960B2 · kind B2 · utility

0Cited by

4References

20Claims

0Family size

Assignee

SAVANT TECHNOLOGIES LLC · US

Inventors

Kevin Jeffrey Benner · Solon, US
Qing Yi · Shanghai, CN
Zhiyong Wang · Sunnyvale, US
Jianmin He · East Cleveland, US
Huisheng Zhou · Shanghai, CN
Jian Li · Shanghai, CN
Dengke Cai · Cleveland, US
Tomas Clynne · East Cleveland, US
Thomas Boyle · Lyndhurst, US

Key dates

Filing date	Oct 30, 2020
Grant date	Feb 8, 2022
Priority date	—
Expiry date	Oct 30, 2040

Classification

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

Abstract

A composite material for light filtering, comprising: a polymeric matrix material and particles of neodymium compound doped in the polymeric matrix material. A lighting apparatus 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.