Patent · US Active

Broadband light source based on crystalline phosphor

US10317046B2 · kind B2 · utility

1Cited by

4References

30Claims

0Family size

Assignee

Thorlabs, Inc. · DE

Inventors

Yifan Liu · Hangzhou City, CN
Yat-Hei Lo · Shanghai, CN
Shengwei Cao · Dongyang City, CN

Key dates

Filing date	Aug 17, 2018
Grant date	Jun 11, 2019
Priority date	—
Expiry date	Aug 17, 2038

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21V5/008
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A phosphor based light source, including: an incident beam of light focused onto the front surface of a piece of phosphor; wherein the phosphor has polished back surface coated with a high-reflection, high-thermal-conduction layer, sandwiched between the phosphor and a heat sink, and the phosphor emission light is collected into a fiber or fiber bundle by a single lens or lens groups.

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