This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: Boe Technology Group Co., Ltd., Chengdu Boe Optoelectronics Technology Co., Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 20,022 
2 out of 506 Years Active: 2026
Title: Hongda Han: Inventor in Display Technology
Introduction
Hongda Han is an inventor based in Beijing, China. His patent work concerns display technology, including display substrates and display apparatuses.
Latest Patents
The provided information lists one patent for Han: “Display Substrate and Display Apparatus.” The invention describes a display substrate with a base substrate and a gate drive circuit formed on it. The circuit contains cascaded shift register circuits, each incorporating multiple NOT gate circuits. In each NOT gate circuit, the first and second control transistors are different types, and at least two NOT gate circuits have different transistor arrangements.
Career Highlights
Han is associated with Chengdu BOE Optoelectronics Technology Co., Ltd. and BOE Technology Group. His listed patent reflects work on the design of gate drive circuits for display devices.
Collaborations
Sifei Ai and Miao Wang are listed as Han’s coworkers.
Conclusion
Hongda Han’s listed invention focuses on transistor arrangements in display gate drive circuits, contributing to the technical design of display substrates and apparatuses.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile