Daegu, South Korea

Joonghwan Yang

This inventor holds 1 USPTO granted patent. Top assignee: Lg Display Co., Ltd.. Active years: 2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joonghwan Yang. Retrieved from https://idiyas.com/inventor/joonghwan-yang-tta63isy

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2021

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1 patent (USPTO):Explore Patents

Title: Joonghwan Yang and Ultra-Fine Pattern Deposition

Introduction

Joonghwan Yang is an inventor associated with Daegu, South Korea, and LG Display Co., Ltd. His work includes an invention for depositing ultra-fine patterns, a process relevant to manufacturing light-emitting display devices. The available information credits him with 1 patent.

Latest Patents

Yang’s listed patent is titled “Ultra-Fine Pattern Deposition Apparatus, Ultra-Fine Pattern Deposition Method Using the Same, and Light-Emitting Display Device Manufactured by Ultra-Fine Pattern Deposition Method.” It describes an apparatus with a base substrate, a heating assembly, deposition source material, and a pattern guide. The guide’s opening has a lower region that is wider than its upper region, helping direct emitted material toward a target region on a separate substrate. The patent also covers a deposition method using the apparatus and a light-emitting display device manufactured through that method.

Career Highlights

The invention addresses the controlled deposition of fine patterns, a process used in display fabrication. Its pattern-guide design is intended to guide material toward a defined target area, supporting precision in manufacturing.

Collaborations

The supplied information identifies Hyungseok Bang and Dongwook Choi as Yang’s coworkers. Their specific roles in the patent or related work are not provided.

Conclusion

Joonghwan Yang’s listed patent focuses on an apparatus and method for guiding deposition material into ultra-fine patterns, connecting his inventive work with display manufacturing at LG Display Co., Ltd.

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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