The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 24, 2020
Filed:
May. 18, 2018
Epistar Corporation, Hsinchu, TW;
Chih-Chiang Lu, Hsinchu, TW;
Yi-Chieh Lin, Hsinchu, TW;
Rong-Ren Lee, Hsinchu, TW;
Yu-Ren Peng, Hsinchu, TW;
Ming-Siang Huang, Hsinchu, TW;
Ming-Ta Chin, Hsinchu, TW;
Yi-Ching Lee, Hsinchu, TW;
EPISTAR CORPORATION, Hsinchu, TW;
Abstract
A light-emitting device includes: a light-emitting stack including a first active layer emitting a first light having a first peak wavelength; a diode emitting a second light having a second peak wavelength between 800 nm and 1900 nm; and a tunneling junction between the diode and the light-emitting stack, wherein the tunneling junction includes a first tunneling layer and a second tunneling layer on the first tunneling layer, the first tunneling layer has a band gap and a thickness of the first tunneling layer is greater than a thickness of the second tunneling layer.