Cheonan, South Korea

Cheol-Jun Yoo

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Samsung Electronics Co., Ltd.. Active years: 2016-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Cheol-Jun Yoo. Retrieved from https://idiyas.com/inventor/cheol-jun-yoo-q6qw8vuv

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 50.0

Average Co-Inventor Count = 2.7

ph-index = 1


Company Filing History:


Years Active: 2016-2018

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2 patents (USPTO):Explore Patents

Title: Cheol-Jun Yoo: Innovator in Semiconductor Light-Emitting Devices

Introduction

Cheol-Jun Yoo is a prominent inventor based in Cheonan-si, South Korea. He has made significant contributions to the field of semiconductor light-emitting devices, holding a total of 2 patents. His innovative methods have advanced the technology used in the production of light-emitting devices.

Latest Patents

Cheol-Jun Yoo's latest patents include a "Method and apparatus for depositing phosphor on semiconductor-light emitting device" and a "Method and apparatus for manufacturing white light-emitting device." The first patent describes a method for depositing phosphor using transfer molding, which involves forming multiple light-emitting devices on a wafer and rearranging them based on their luminance characteristics. The second patent outlines a process for manufacturing a semiconductor light-emitting device that emits white light by forming a phosphor layer at the wafer level.

Career Highlights

Cheol-Jun Yoo is currently employed at Samsung Electronics Co., Ltd., where he continues to innovate in the field of semiconductor technology. His work has been instrumental in enhancing the efficiency and effectiveness of light-emitting devices.

Collaborations

Throughout his career, Cheol-Jun Yoo has collaborated with notable colleagues, including Seong-Jae Hong and Tsuyoshi Tsutsui. These collaborations have contributed to the advancement of technology in their respective fields.

Conclusion

Cheol-Jun Yoo's contributions to the semiconductor industry through his patents and work at Samsung Electronics Co., Ltd. highlight his role as a key innovator in the development of advanced light-emitting devices. His work continues to influence the future of this technology.

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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