Patent · US Active

Light-emitting devices and lens therefor

US7688526B2 · kind B2 · utility

7Cited by

1References

22Claims

0Family size

Assignee

Hong Kong Applied Science and Technology Research Institute Company Limited · CN

Inventors

Ming Lu · Luodong, TW
Lei Shi · Shanghai, CN
Chak Hau Pang · Fanling, CN

Key dates

Filing date	Jan 18, 2007
Grant date	Mar 30, 2010
Priority date	—
Expiry date	Nov 16, 2027

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21Y2115/10
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A light-emitting assembly comprising a lens, a first optical source, a second optical source and a third optical source, wherein the lens is disposed forward of said first, second and third optical sources; the third optical source is intermediate the first and second optical sources; and the lens and the first, second and third optical sources are arranged so that light emitted from the first and second optical sources merges at the third optical source after undergoing internal reflection at the lens.

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