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For the Inventor, By the Inventor

Cheonan, South Korea

Keun Chan Oh

This inventor holds 76 USPTO granted patents and 35 published patent applications and 12 EPO patents, primarily in Display Technology (CPC class G02F). Top assignees: Samsung Display Co., Ltd., Chonbuk National University, Samsung Displayco., Ltd.. Active years: 2013-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keun Chan Oh. Retrieved from https://idiyas.com/inventor/keun-chan-oh

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

USPTO Granted Patents = 76 

% Patents Active = 93.4

 

Average Co-Inventor Count = 4.5

ph-index = 4

Forward Citations = 98(Granted Patents)

Forward Citations (Not Self Cited) = 80(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yongin-si, KR (2017 - 2020)
  • Cheonan-si, KR (2013 - 2021)
  • Hwaseong-si, KR (2018 - 2024)

Company Filing History:

goldMedal74 out of 27,288 
 
Samsung Display Co., Ltd.
 patents
silverMedal4 out of 74 
 
Chonbuk National University
 patents
bronzeMedal2 out of 291 
 
Samsung Displayco., Ltd.
 patents
4. 1 out of 107 
 
Dongjin Semichem Co., Ltd.
 patents
5. 1 out of 2,790 
 
Korea Advanced Institute of Science and Technology
 patents
where one patent can have more than one assignee

Years Active: 2013-2026

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Areas of Expertise:
Display Device
Color Conversion Substrate
Organic Light Emitting Display
Liquid Crystal Display
Wavelength Conversion
Quantum Dot
Pixel Defining Layer
Manufacturing Method
Optical Pattern
Light Emitting Elements
Reflective Regions
Driving Method
76 patents (USPTO):Explore Patents
1. 12527195 - Display device having wavelength conversion pattern and optical pattern (2026-01-13),
2. 12514090 - Display device having openings with scatter layer and link layer therein and manufacturing method thereof (2025-12-30),
3. 12439793 - Organic light emitting display device having pixel defining layer and black matrix with openings with a curved portion (2025-10-07),
4. 12433130 - Color converting substrate and display device comprising same (2025-09-30),
5. 12396352 - Substrate including light emitting elements and display device including the same (2025-08-19),
6. 12382813 - Color converting substrate and display device including same (2025-08-05),
7. 12268075 - Color transformation substrate and display device (2025-04-01),
8. 12250844 - Display device (2025-03-11),
9. 12219821 - Display device having dummy regions (2025-02-04),
10. 11943987 - Color conversion substrate (2024-03-26),
11. 11930684 - Display device (2024-03-12),
12. 11730038 - Organic light emitting display device (2023-08-15),
13. 11723236 - Display device having dummy and reflective regions (2023-08-08),
14. 11495643 - Organic light emitting display device having black matrix with circular-shaped openings (2022-11-08),
15. 11309360 - Color conversion substrate and display device (2022-04-19),

Title: **Innovative Contributions of Keun Chan Oh in Display Technology**

Introduction

Keun Chan Oh, based in Cheonan-si, South Korea, is a prolific inventor known for his significant contributions to display technology. With a remarkable portfolio of 68 patents, his innovations have greatly influenced the advancement of display devices and their functionalities.

Latest Patents

Among his latest patents, two standout innovations are noteworthy. The first patent, titled “Display device having dummy regions,” outlines a sophisticated display device that incorporates a substrate and a thin film transistor. It features an intricate design with an electrode that comprises emission and contact regions, along with a dummy region that enhances display capabilities. The second patent, “Color conversion substrate,” introduces a color conversion substrate that enhances the efficiency and vibrancy of display devices. This invention consists of a base substrate with carefully designed color filters and partition layers, demonstrating his focus on improving visual experiences in display technologies.

Career Highlights

Keun Chan Oh has had an illustrious career, particularly at renowned companies such as Samsung Display Co., Ltd., where he has been pivotal in developing cutting-edge display solutions. His tenure at the Industrial Cooperation Foundation at Chonbuk National University also reflects his commitment to merging academic research with practical applications in the industry.

Collaborations

Throughout his career, Oh has worked alongside esteemed colleagues, including Jae Jin Lyu and Ji Hong Bae. These collaborations have further fueled his innovative spirit, leading to several groundbreaking advancements in display technology.

Conclusion

Keun Chan Oh’s dedication to innovation and his extensive patent portfolio underscore his role as a key figure in the advancement of display devices. His latest inventions not only highlight his brilliance as an inventor but also promise to shape future technologies in the display industry.

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]
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