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:
Apr. 21, 2026
Filed:
May. 07, 2024
United Microelectronics Corp., Hsin-Chu City, TW;
Yu-Hsuan Chang, New Taipei City, TW;
Ching-Wei Li, Hsinchu City, TW;
Jih-San Lee, Hsinchu City, TW;
Tien-Hao Tang, Hsinchu City, TW;
UNITED MICROELECTRONICS CORP., Hsin-Chu City, TW;
Abstract
An ESD protection circuit using GaN devices, with a ESD protection block including a first 2DEG resistor with one terminal coupled to a reference voltage, a first trigger with one terminal coupled to the another terminal of the first 2DEG resistor and with another terminal coupled to a gate of a power HEMT, a first LV-HEMT with a first gate coupled to the another terminal of the first 2DEG resistor and a first drain couple to the gate, a second 2DEG resistor with one terminal coupled to the gate, a second trigger with one terminal coupled to another terminal of the second 2DEG resistor and with another terminal coupled to the reference voltage, and a second LV-HEMT with a second gate coupled to the another terminal of the second trigger and a second drain coupled to the first source and a second source coupled to the reference voltage.