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.

Date of Patent:
Jun. 23, 2026

Filed:

May. 13, 2020
Applicant:

Enkris Semiconductor, Inc., Suzhou, CN;

Inventors:

Kai Cheng, Suzhou, CN;

Zhuan Liu, Suzhou, CN;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10H 20/812 (2025.01); H10H 20/01 (2025.01); H10H 20/816 (2025.01); H10H 20/825 (2025.01);
U.S. Cl.
CPC ...
H10H 20/812 (2025.01); H10H 20/0137 (2025.01); H10H 20/816 (2025.01); H10H 20/825 (2025.01);
Abstract

This application provides an ultraviolet LED and a manufacturing method thereof. In the manufacturing method, an N-type transition layer is formed above an electron supply layer and/or a P-type transition layer is formed above a hole supply layer, materials of the electron supply layer and the hole supply layer include at least three elements: Al, Ga and N, and materials of the N-type transition layer and the P-type transition layer are GaN; an N electrode is formed on the N-type transition layer, and an ohmic contact is formed between the N-type transition layer and the N electrode; a P electrode is formed on the P-type transition layer, and an ohmic contact is formed between the P-type transition layer and the P electrode.


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Cheng, Kai. (2026). Ultraviolet led and manufacturing method thereof (U.S. Patent No. 12666758). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12666758

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