Yongjoong Choi

Title: Yongjoong Choi: Innovator in Organic Light Emitting Displays

Introduction

Yongjoong Choi is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of organic light emitting displays (OLEDs). With a total of 2 patents, his work focuses on enhancing light-emission efficiency and color reproduction in display technologies.

Latest Patents

Choi's latest patents include an innovative organic light emitting display apparatus. This OLED apparatus features a reflection-anode, a transparent-cathode, and multiple stacks positioned between them. Notably, the thickness of the stack closer to the transparent-cathode is greater than that of the stack near the reflection-anode. This design optimizes the micro-cavity of light emitted, improving both light-emission efficiency and color reproduction while reducing color change rates based on viewing angles. Another significant patent is for an organic electroluminescent device employing a multi-layered anode. This device consists of a substrate, a first anode with high reflectivity, a second anode made from conductive metal or oxide, an organic layer, and a cathode.

Career Highlights

Throughout his career, Yongjoong Choi has worked with leading companies in the technology sector, including Samsung SDI Co., Inc. and LG Display Co., Ltd. His experience in these organizations has allowed him to develop cutting-edge technologies in the field of display innovation.

Collaborations

Choi has collaborated with notable colleagues such as Kwanhee Lee and Hyuneok Shin. Their teamwork has contributed to advancements in OLED technology and has fostered a collaborative environment for innovation.

Conclusion

Yongjoong Choi's contributions to the field of organic light emitting displays are noteworthy. His patents reflect a commitment to improving display technologies, making him a significant figure in the industry. His work continues to influence advancements in OLED technology and its applications.