This inventor holds 11 USPTO granted patents and 1 published patent application. Top assignees: Samsung Mobile Display Co., Ltd., Samsung Display Co., Ltd., Samsung Sdi Co., Inc.. Active years: 2006-2014.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yongin-si, KR (2009 - 2010)
- Yongin, KR (2006 - 2014)
- Suwon-si, KR (2009 - 2014)
Company Filing History:
8 out of 1,219 
2 out of 27,288 
1 out of 7,663 
Years Active: 2006-2014
Title: Yong-Joong Choi: Innovator in Organic Light-Emitting Devices
Introduction
Yong-Joong Choi is a prominent inventor based in Suwon-si, South Korea. He has made significant contributions to the field of organic light-emitting devices, holding a total of 11 patents. His work has advanced the technology used in displays and lighting, showcasing his expertise and innovative spirit.
Latest Patents
One of his latest patents is for an organic light-emitting device. This device comprises a first electrode, a second electrode, and a light-emitting layer interposed between them. It also includes a phosphorescent dopant and a phosphorescent host that features at least two hole transport materials. The mixed phosphorescent host materials enhance energy transfer efficiency, thereby improving both the efficiency and lifespan of the organic light-emitting device. Another notable patent is for a thin film deposition apparatus. This apparatus includes a deposition source configured to discharge a deposition material and a deposition source nozzle unit with multiple nozzles arranged in a specific direction. The design allows for effective deposition while the substrate is moved relative to the apparatus.
Career Highlights
Yong-Joong Choi has worked with leading companies in the industry, including Samsung Mobile Display Co., Ltd. and Samsung Display Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in display technology.
Collaborations
Throughout his career, Choi has collaborated with talented individuals such as Jun-Yeob Lee and Min-Seung Chun. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Yong-Joong Choi's contributions to the field of organic light-emitting devices and his extensive patent portfolio highlight his role as a leading innovator. His work continues to influence the technology used in modern displays and lighting solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile