Patent · US Active

Low refractive index neodymium fluoride doped polycarbonate

US11035551B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

SAVANT TECHNOLOGIES LLC · US

Inventors

Qing Yi · Shanghai, CN
Jianmin He · East Cleveland, US
Chuan Lin · Shanghai, CN
Zhiyong Wang · Sunnyvale, US
James Edward Murphy · Niskayuna, US
Dengke Cai · Cleveland, US
Xiaoyong Wu · Tangxia, CN

Key dates

Filing date	Feb 28, 2017
Grant date	Jun 15, 2021
Priority date	—
Expiry date	Feb 28, 2037

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21Y2115/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An apparatus including at least one light emitting diode (LED) module, configured to generate visible light; and at least one component comprising a compound comprising elements of neodymium fluoride and a dopant to lower a refractive index of the compound as compared to neodymium fluoride, the compound configured with the LED module to provide a desired light spectrum by filtering the visible light generated by the LED module.

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