Patent · US Active

Light emitting diode (LED) light source device having uniform illumination

US9074734B2 · kind B2 · utility

1Cited by

0References

4Claims

0Family size

Assignee

ADVANCED OPTOELECTRONIC TECHNOLOGY, INC. · TW

Inventors

Ming-Ta Tsai · Hsinchu, TW
Ching-Chung Chen · New Taipei, TW

Key dates

Filing date	Jul 25, 2013
Grant date	Jul 7, 2015
Priority date	—
Expiry date	Jul 25, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH01L2924/0002
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An LED light source device includes a printed circuit board (PCB) and a plurality of LED light sources located on the PCB and electrically connected with the PCB. The plurality of LED light sources are arranged symmetrically relative to a center point of the PCB, and a distance between every adjacent two LED light sources decreases along a direction away from the center point of the PCB. An optical lens is located over the LED light sources for diverging light from a central one of the LED light sources.

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