Patent · US Active

Light emitting diode device with lens having a cavity

US8545061B2 · kind B2 · utility

1Cited by

0References

12Claims

0Family size

Assignee

ADVANCED OPTOELECTRONIC TECHNOLOGY, INC. · TW

Inventors

CHAO-HSIUNG CHANG · Hsinchu, TW
HOU-TE LIN · Hsinchu, TW
Ming-Ta Tsai · Hsinchu, TW

Key dates

Filing date	Nov 3, 2011
Grant date	Oct 1, 2013
Priority date	—
Expiry date	Dec 24, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH01L2224/48091
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An LED device includes a substrate, an LED chip and a lens module. The substrate has an upper surface. The LED chip is arranged on the upper surface of the substrate. The LED chip has a light emitting surface away from the upper surface of the substrate. The lens module is arranged over the light emitting surface of the LED chip. The lens module includes a first lens. The first lens includes a first light outputting surface away from the light emitting surface of the LED chip. The first light outputting surface of the first lens defines a first cavity at a center thereof.

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