Yongin, South Korea

Yoonhyeung Cho

This inventor holds 72 USPTO granted patents and 11 published patent applications and 13 EPO patents, primarily in Organic Light-Emitting Devices (CPC class H01L). Top assignees: Samsung Display Co., Ltd., Samsung Display Co., Ltd., Samsung Displayco., Ltd.. Active years: 2017-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoonhyeung Cho. Retrieved from https://idiyas.com/inventor/yoonhyeung-cho

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

USPTO Granted Patents = 72 

% Patents Active = 98.6

 

Average Co-Inventor Count = 6.8

ph-index = 4

Forward Citations = 79(Granted Patents)

Forward Citations (Not Self Cited) = 59(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yongin, KR (2017 - 2019)
  • Gyeonggi-do, KR (2021)
  • Yongin-si, KR (2017 - 2024)

Company Filing History:


Years Active: 2017-2026

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Areas of Expertise:
Organic Light-Emitting Diode
Display Apparatus
Encapsulation Structure
Quantum Dots
Thin Film Encapsulation
Flexible Display
Heterocyclic Compound
Electroluminescence
Manufacturing Method
Electronic Apparatus
Light-Emitting Device
Buffer Layer
72 patents (USPTO):Explore Patents

Title: Innovations and Achievements of Yoonhyeung Cho

Introduction

Yoonhyeung Cho, a prolific inventor based in Yongin-si, South Korea, has made significant contributions to the field of light-emitting devices through his extensive work at Samsung Display Co., Ltd. With an impressive portfolio of 66 patents, Cho continues to push the boundaries of technology and innovation.

Latest Patents

Among his latest patents, Yoonhyeung Cho has developed a **light-emitting device and electronic apparatus including the same**, which features a unique configuration. This device is composed of a first electrode and a second electrode facing each other, with an interlayer that comprises a first and a second layer. Notably, the first electrode has a work function value ranging from approximately -5.5 eV to -6.1 eV, and the interlayer incorporates a second layer doped with a non-lead-based perovskite compound.

Additionally, Cho's patent for an **organic light-emitting device** includes innovative design elements such as a first and second emission unit positioned between the first and second electrodes. This device also contains a first charge generation layer situated between both emission units and is designed to enhance the efficiency of light emission through a combination of inorganic buffer layers.

Career Highlights

Yoonhyeung Cho has built a notable career at Samsung Display Co., Ltd., where he has become a key figure in the development of advanced display technologies. His expertise has enabled him to lead projects that focus on creating next-generation light-emitting devices, contributing to the company's reputation as a leader in the display industry.

Collaborations

Throughout his career, Cho has collaborated with esteemed colleagues such as Byoungduk Lee and Dongchan Kim. These partnerships have fostered an environment of innovation, allowing them to share insights and drive forward the development of cutting-edge technologies in their field.

Conclusion

With his extensive list of patents and innovative contributions, Yoonhyeung Cho continues to play a critical role in advancing the field of light-emitting devices. His work at Samsung Display Co., Ltd. not only impacts the company but also sets a benchmark for innovation in the display technology sector. The combination of his expertise and collaborative efforts inspires the next generation of inventors and innovators.

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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