Company Filing History:
Years Active: 2020-2022
Title: Chang-Hee Lee: Innovator in Organic Light-Emitting Diodes
Introduction
Chang-Hee Lee is a prominent inventor based in Cheongju-si, South Korea. He has made significant contributions to the field of organic light-emitting diodes (OLEDs), holding a total of five patents. His work focuses on enhancing the performance and longevity of OLED technology, which is crucial for various applications in display and lighting industries.
Latest Patents
Chang-Hee Lee's latest patents include innovative designs for organic light-emitting diodes. One of his notable inventions is an organic light-emitting diode that boasts a long lifespan property. This invention features a first electrode, a second electrode facing the first electrode, and a hole transport layer along with a light-emitting layer. The light-emitting layer incorporates a host and a hole assistant material, which is characterized by a specific chemical formula that optimizes performance.
Another significant patent addresses the issue of luminance reduction in low dynamic range scenarios. This organic light-emitting diode operates efficiently at low voltage and includes a light-emitting layer and a charge balance control layer. The design utilizes amine derivative compounds and anthracene derivative compounds, which are defined in the patent specification.
Career Highlights
Chang-Hee Lee is currently employed at SFC Co., Ltd., where he continues to innovate in the field of OLED technology. His expertise and dedication to research have positioned him as a key figure in advancing organic light-emitting diode applications.
Collaborations
Chang-Hee Lee collaborates with talented coworkers, including So Young Shim and Seo-Yeon Yoon. Their combined efforts contribute to the development of cutting-edge technologies in the OLED sector.
Conclusion
Chang-Hee Lee's contributions to organic light-emitting diodes exemplify his commitment to innovation and excellence in technology. His patents reflect a deep understanding of materials and design, paving the way for future advancements in the field.