Patent · US Active

LED structure and light-emitting unit

US10522725B2 · kind B2 · utility

0Cited by

3References

20Claims

0Family size

Assignee

LITE-ON OPTO TECHNOLOGY (CHANGZHOU) CO., LTD. · CN

Inventors

Ke Guo · Shandong, CN
Wen Lee · Thompson Drive, CN
Mu-qi Lee · Shanxi, CN
Shu Jia · 安丰镇, CN

Key dates

Filing date	Jan 26, 2018
Grant date	Dec 31, 2019
Priority date	—
Expiry date	Jan 26, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH10H20/857
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An LED structure includes a substrate, an LED chip disposed on the substrate, a wavelength conversion layer disposed above a light-emitting surface of the LED chip, and a cut-on optical filter disposed on a central region of the wavelength conversion layer.

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