This inventor holds 2 USPTO granted patents and 3 published patent applications. Top assignee: The Hong Kong Polytechnic University. Active years: 2012-2018.
Company Filing History:
Years Active: 2012-2018
Title: Innovations by Ka Hong Loo in LED Technology
Introduction
Ka Hong Loo is a distinguished inventor based in Hong Kong, CN, recognized for his significant contributions to the field of LED technology. With a total of two patents to his name, Loo has focused on enhancing the efficacy and performance of LED display panels through innovative driving methods and systems.
Latest Patents
Loo's latest patents include a "Drive Method and System for LED Display Panel" and a "Driving Method for Improving Luminous Efficacy of a Light Emitting Diode". The first patent describes a comprehensive method that involves converting HDMI/DVI video signals into RGB signals, which are divided into independent code streams and re-ranked. This system not only improves the luminous efficacy of the display but also enables linear dimming capabilities. The innovative design incorporates an FPGA controller, a video signal decoder, and external memory modules, all integral to enhancing LED performance.
His second patent focuses on a driving method that optimizes the luminous output of LEDs by periodically switching the direct current between varying levels. This technique involves maintaining an average current at a specified value by adjusting the duty cycle based on the high and low current levels, thereby maximizing the LED's efficacy.
Career Highlights
Currently, Loo is affiliated with The Hong Kong Polytechnic University, where he applies his expertise in LED technology and fosters innovation within the academic community. His work has paved the way for improved display technologies, benefiting various applications ranging from consumer electronics to larger display systems.
Collaborations
Loo works alongside notable colleagues, including Yuk Ming Lai and Chi Kong Michael Tse, who contribute to his research endeavors. Together, they push the boundaries of LED technology, working on solutions that promise to enhance visual display quality and energy efficiency in modern electronics.
Conclusion
Ka Hong Loo's innovations have made a substantial impact on the field of LED technology, showcasing his commitment to advancing electronic display systems. With a focus on improving luminous efficacy and enabling advanced control methods, Loo's contributions are setting new standards in the industry, likely influencing future developments in lighting and display technologies.