Yongin, South Korea

Jinjoo Ha

This inventor holds 6 USPTO granted patents and 5 published patent applications. Top assignee: Samsung Display Co., Ltd.. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jinjoo Ha. Retrieved from https://idiyas.com/inventor/jinjoo-ha-9ckdsqrv

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 6 

% Patents Active = 16.7

Average Co-Inventor Count = 3.5

ph-index = 1


Company Filing History:


Years Active: 2026

Loading Chart...
6 patents (USPTO):Explore Patents

Title: Jinjoo Ha: Innovator in Pixel Circuit Technology

Introduction

Jinjoo Ha is a prominent inventor based in Yongin, South Korea. He has made significant contributions to the field of display technology, particularly in the development of pixel circuits. With a total of 6 patents to his name, Ha continues to push the boundaries of innovation in his field.

Latest Patents

One of Jinjoo Ha's latest patents is focused on a pixel circuit and display device that includes a light-emitting element. This pixel circuit comprises a first transistor that provides a driving current to the light-emitting element. It also features a first capacitor connected to the first transistor and a second capacitor that plays a crucial role in controlling the gate terminal of the first transistor. Additionally, the circuit includes a second transistor that supplies a data voltage to the gate terminal in response to a write gate signal, along with a third transistor that connects the first transistor to the light-emitting element in response to an emission signal. This innovative design enhances the efficiency and performance of display devices.

Career Highlights

Jinjoo Ha is currently employed at Samsung Display Co., Ltd., where he applies his expertise in display technology. His work at Samsung has positioned him as a key player in the advancement of pixel circuit designs, contributing to the company's reputation for innovation in the display industry.

Collaborations

Throughout his career, Jinjoo Ha has collaborated with talented individuals such as Sehyun Lee and Kwihyun Kim. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Jinjoo Ha's contributions to pixel circuit technology exemplify his commitment to innovation in the display industry. His patents and work at Samsung Display Co., Ltd. highlight his role as a leading inventor in this field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…