Company Filing History:
Years Active: 2015
Title: Innovations of Jui-Chi Chang
Introduction
Jui-Chi Chang is a notable inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of LED technology, particularly with his innovative designs that enhance the efficiency and functionality of LED driving circuits.
Latest Patents
One of Jui-Chi Chang's key patents is the AC-DC dual-use LED driving circuit. This invention includes an input power circuit, a buck-boost converter, and a Pulse Width Modulation (PWM) signal controller. The buck-boost converter, which consists of a switching transistor and a feedback resistor, receives a current signal output from the input power circuit and drives an LED with a driving signal. The PWM signal controller outputs a PWM signal based on the driving signal, allowing for the sequential turning on and off of the switching transistor. Notably, the design enables dynamic adjustment of the duty ratio of the PWM signal without the need for an external photocoupler. Jui-Chi Chang holds 1 patent for this innovative technology.
Career Highlights
Jui-Chi Chang is currently employed at Macroblock, Inc., a company known for its advancements in LED driver technology. His work at Macroblock has positioned him as a key player in the development of efficient lighting solutions.
Collaborations
Throughout his career, Jui-Chi Chang has collaborated with talented individuals such as Yan-Cun Li and Hsing-Fu Liu. These collaborations have fostered an environment of innovation and creativity, contributing to the success of their projects.
Conclusion
Jui-Chi Chang's contributions to LED technology through his innovative patent demonstrate his expertise and commitment to advancing the field. His work continues to influence the development of efficient lighting solutions in the industry.