This inventor holds 56 USPTO granted patents and 22 published patent applications and 35 EPO patents, primarily in Organic Light Emitting Devices (CPC class H01L). Top assignee: Lg Chem, Ltd. Active years: 2016-2026.
Inventors with similar research interests:
Location History:
- Seoul, KR (2016 - 2017)
- Daejeon, KR (2018 - 2024)
Company Filing History:
Years Active: 2016-2026
Areas of Expertise:
Title: Yongbum Cha: Innovator in Organic Light Emitting Devices
Introduction
Yongbum Cha, based in Daejeon, South Korea, is a prominent inventor known for his significant contributions to the field of organic light emitting devices (OLEDs). With an impressive portfolio of 53 patents, he has established himself as a key figure in advancing the technology behind modern display systems.
Latest Patents
One of his notable recent patents is focused on a heterocyclic compound and an organic light emitting device comprising the same. This heterocyclic compound, represented by Chemical Formula 1, is utilized as a material within the organic layer of OLEDs. It provides improved efficiency, lower driving voltage, and enhanced lifetime characteristics, marking an important milestone in OLED development. Additionally, he has patented an innovative organic light emitting diode design that incorporates two organic material layers between a first and a second electrode, utilizing compounds of Chemical Formula 1 and Chemical Formula 2. This design aims to optimize the performance and longevity of the organic light emitting devices.
Career Highlights
Yongbum Cha is currently associated with LG Chem, Ltd., a leading company in the chemical and electronic sectors. His work has significantly shaped the landscape of OLED technology, contributing to improved visual display capabilities and energy efficiency in electronic products.
Collaborations
Throughout his career, Yongbum has collaborated with esteemed colleagues such as Sung Kil Hong and Jin Joo Kim. Together, they have worked on various projects that enhance the performance and applicability of organic light emitting devices, further pushing the boundaries of innovation in this field.
Conclusion
Yongbum Cha's dedication and expertise in the realm of organic light emitting devices have not only led to a remarkable number of patents but have also paved the way for future advancements in display technologies. His ongoing work continues to inspire and drive innovation within the industry.