Company Filing History:
Years Active: 2014-2016
Title: Innovations of Jun-Deok Choi
Introduction
Jun-Deok Choi is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of display technology and power electronics. With a total of 2 patents to his name, Choi continues to push the boundaries of innovation.
Latest Patents
One of his latest patents focuses on controlling the brightness of lamps in display devices. This invention includes a lamp unit, a dimming signal controller, and an inverter device. The dimming signal controller receives a lamp brightness signal and an external environment illumination signal. It selects either the lamp brightness signal or a signal based on the received external environment illumination signal, outputting the selected signal as a dimming signal. The inverter device operates to control the brightness of the lamp unit based on this dimming signal.
Another notable patent is for a full bridge switching circuit. This circuit includes a converter circuit with first and second converters. The first converter consists of a first transformer and a first switching element part that controls the transformer in response to a first switching signal. The second converter includes a second transformer and a second switching element part that controls the second transformer in response to a second switching signal. The first and second transformers are controlled to output first and second feedback signals, respectively. Additionally, the full bridge switching circuit features a third switching element part connected to the transformers and an IC circuit that generates an OR signal through an OR operation of the feedback signals.
Career Highlights
Choi is currently employed at Rohm Co., Ltd., where he continues to innovate and develop new technologies. His work has had a significant impact on the industry, particularly in enhancing the efficiency and functionality of electronic devices.
Collaborations
Throughout his career, Jun-Deok Choi has collaborated with talented individuals such as Kwang-woo Nam and Min-Ki Ahn. These collaborations have fostered a creative environment that has led to groundbreaking advancements in their respective fields.
Conclusion
Jun-Deok Choi's contributions to technology through his patents demonstrate his commitment to innovation. His work not only enhances existing technologies but also paves the way for future advancements in the industry.