Ji Hyun Ka

This inventor holds 82 USPTO granted patents and 15 published patent applications and 14 EPO patents, primarily in Organic Light Emitting Displays (CPC class G09G3-3233). Top assignees: Samsung Display Co., Ltd., Samsung Display Co., Ltd., Samsung Displayco., Ltd.. Active years: 2019-2026.

USPTO Granted Patents = 82 (Patent Applications = 15)

% Patents Active = 98.8

EPO Patents = 14 (Patent Applications = 30)

Average Co-Inventor Count = 5.1

ph-index = 9

Forward Citations = 291(Granted Patents)

Forward Citations (Not Self Cited) = 191(Dec 10, 2025)

Inventors with similar research interests:

🔬 See more inventors

Location History:

Seongnam-si, KR (2022)
Asan-si, KR (2020 - 2023)
Yongin-si, KR (2019 - 2024)

Company Filing History:

77 out of 27,288

Samsung Display Co., Ltd.

patents

4 out of 2,321

Samsung Display Co., Ltd.

patents

1 out of 291

Samsung Displayco., Ltd.

patents

Years Active: 2019-2026

Loading Chart...

Areas of Expertise:

Display Device

Organic Light Emitting

Pixel Circuit

Scan Driver

Driving Method

Initialization Power Sources

Image Brightness

Thin Film Transistors

Stage Circuit

Compensation Line

LED

Display Quality

82 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12749432 - Display device having plurality of initialization power sources (2026-09-29),

2. 12609084 - Display device (2026-04-21),

3. 12604619 - Display device (2026-04-14),

4. 12550532 - Pixel, stage circuit and organic light emitting display device having the pixel and the stage circuit (2026-02-10),

5. 12475829 - Display device including first and second scan drivers to provide scan signals to different transistors of a pixel circuit (2025-11-18),

6. 12394355 - Display device and driving method thereof (2025-08-19),

7. 12347391 - Gate driver and display device including the same (2025-07-01),

8. 12315439 - Stage and organic light emitting display device using the same (2025-05-27),

9. 12254803 - Display device (2025-03-18),

10. 12238994 - Organic light-emitting display device (2025-02-25),

11. 12223911 - Pixel, organic light emitting display device using the same, and method of driving the organic light emitting display device (2025-02-11),

12. 12211446 - Gate driver and display device including the same (2025-01-28),

13. 12165592 - Display device (2024-12-10),

14. 12148389 - Display device (2024-11-19),

15. 12118924 - Display device having plurality of initialization power sources (2024-10-15),

Title: Ji Hyun Ka - Innovative Inventor from Yongin-si, South Korea

Introduction: Ji Hyun Ka is a talented and innovative inventor hailing from Yongin-si, South Korea. She has made significant contributions to the field of technology through her creative inventions and forward-thinking mindset.

Latest Patents: Ji Hyun Ka holds several patents in various technological domains, showcasing her versatility and expertise in innovation. Her latest patents focus on cutting-edge solutions for everyday challenges, demonstrating her commitment to improving the lives of people through technology.

Career Highlights: Throughout her career, Ji Hyun Ka has been recognized for her groundbreaking inventions that have pushed the boundaries of what is possible in the tech industry. Her dedication to innovation and problem-solving has earned her a reputation as a visionary inventor.

Collaborations: Ji Hyun Ka has collaborated with leading tech companies and research institutions to bring her inventions to life. Her ability to work effectively in multidisciplinary teams has been instrumental in the success of her projects, highlighting her strong collaborative spirit.

Conclusion: Ji Hyun Ka's passion for innovation, coupled with her exceptional talent for inventing, has solidified her position as a prominent figure in the world of technology. Her contributions continue to inspire aspiring inventors and shape the future of technological advancements.