Company Filing History:
Years Active: 2016
Title: Innovations of Kai-Yun Cheng in LED Technology
Introduction
Kai-Yun Cheng is a notable inventor based in Taipei, Taiwan. He has made significant contributions to the field of LED technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and functionality of LED lighting devices.
Latest Patents
Cheng's latest patents include a "Light-emitting diode lighting device with synchronized PWM dimming control." This invention features an LED lighting device that incorporates a luminescent circuit, a detecting circuit, an adjustable current source, and a dimming control circuit. The device is designed to provide light driven by a rectified AC voltage, with the detecting circuit capable of identifying the rising or falling edges of the LED current. The dimming control circuit generates a PWM signal that synchronizes with the frequency of the rectified AC voltage, allowing for precise dimming control.
Another significant patent is the "Light-emitting diode lighting device having multiple driving stages and line/load regulation control." This invention includes multiple luminescent devices that are driven by a rectified AC voltage. The design allows for flexible operation in a multi-stage driving scheme, utilizing multiple current controllers. This innovation improves line/load regulation of the LED lighting device, particularly when the rectified AC voltage fluctuates.
Career Highlights
Kai-Yun Cheng is currently employed at IML International, where he continues to develop innovative solutions in LED technology. His work has been instrumental in advancing the capabilities of LED lighting systems.
Collaborations
Cheng collaborates with talented individuals such as Yung-Hsin Chiang and Alberto Giovanni Viviani, contributing to a dynamic and innovative work environment.
Conclusion
Kai-Yun Cheng's contributions to LED technology through his patents demonstrate his commitment to innovation and improvement in lighting solutions. His work continues to influence the industry and enhance the functionality of LED devices.