Patent · US Active

Light-emitting devices and lens therefor

US7607792B2 · kind B2 · utility

0Cited by

3References

19Claims

0Family size

Assignee

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

Inventors

Ying Liu · Beijing, CN
Danding Huang · Hong Kong, CN
Shou-Lung Chen · Hsinchu, TW
Chen-Jung Tsai · Hsinchu, TW

Key dates

Filing date	Dec 22, 2006
Grant date	Oct 27, 2009
Priority date	—
Expiry date	Dec 22, 2026

Classification

Technology area (CPC H)Electricity
CPC primaryH10H20/855
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A light-emitting assembly for conditioning the light output of at least one light-emitting source for light guide coupling, comprising a lens and at least one light-emitting source, the light-emitting source having an optical output axis and the lens comprising a beam diverging portion for diverging or spreading light about the output axis, wherein the beam diverging portion of the lens is along the optical output axis and forward of the light-emitting source, and at least one beam converging portion for converging or compressing light away from the optical axis is adjacent the beam diverging portion.

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