Location History:
- Seoul, KR (2015)
- Suwon-si, KR (2018 - 2021)
Company Filing History:
3 out of 7,632 
3 out of 132,080 
Years Active: 2015-2021
Title: Innovations by Inventor Han Ul Lee
Introduction: Han Ul Lee is a notable inventor based in Suwon-si, South Korea, recognized for his contributions to the field of semiconductor technology. With a total of six patents to his name, his work focuses on enhancing semiconductor packaging and manufacturing processes.
Latest Patents: Among Han Ul Lee's latest patented innovations is a semiconductor package that incorporates a backside redistribution layer. This package features a frame with a cavity and wiring structure connecting opposing surfaces. It includes a connection structure on the frame's first surface, where a semiconductor chip is placed within the cavity, connected to the wiring structure through a first redistribution layer. An encapsulant surrounds the semiconductor chip, while a second redistribution layer, complete with a unique redistribution pattern and connection vias, enhances connectivity.
Another significant patent is related to a semiconductor device and its manufacturing method. This device comprises a semiconductor chip with connection pads on its active surface, encapsulated for protection. A connection member with a redistribution layer electrically connects to the pads, and a passivation layer, along with an under bump metallurgy (UBM) layer, ensures effective electrical conduction. The UBM layer is designed with a recess portion and a UBM via to facilitate seamless connections.
Career Highlights: Throughout his career, Han Ul Lee has worked at esteemed companies such as Samsung Electro-Mechanics Co., Ltd. and Samsung Electronics Co., Ltd. His tenure at these organizations has allowed him to advance semiconductor technology and work on impactful innovations.
Collaborations: Han has collaborated with notable professionals, including Young Gwan Ko and Jin Su Kim, contributing to the growth and development of semiconductor solutions through teamwork and shared expertise.
Conclusion: Han Ul Lee's innovative spirit and technical proficiency have positioned him as a key figure in semiconductor technology. His patents reflect his commitment to improving device functionality and manufacturing efficiency, paving the way for future advancements in the field.