Feng-Ku Chien

Title: Innovations of Feng-Ku Chien in White Light-Emitting Diodes

Introduction

Feng-Ku Chien is a notable inventor based in Chung-Ho, Taiwan. He has made significant contributions to the field of light-emitting diodes (LEDs), particularly in the development of white LED devices. His innovative approach has led to advancements that enhance the efficiency and quality of lighting technology.

Latest Patents

Feng-Ku Chien holds a patent for a device of a white light-emitting diode. This invention includes a member with a plurality of blue GaN LEDs fixed on it. The design features a parabolic reflector that encases the member and the LEDs. A yellow phosphor is coated on the surface of the reflector facing the LEDs. The main feature of this invention is that the LEDs emit blue light when positively biased. This blue light triggers the yellow phosphor to generate yellow light, which, when mixed with the blue light, produces white light. The white light is then reflected by the reflector to project onto target objects.

Career Highlights

Feng-Ku Chien is associated with Formosa Epitaxy Incorporation, where he continues to innovate in the field of LED technology. His work has contributed to the advancement of energy-efficient lighting solutions.

Collaborations

Feng-Ku Chien has collaborated with notable colleagues, including Lung-Chien Chen and Wen-How Lan. Their combined expertise has fostered a productive environment for innovation in their projects.

Conclusion

Feng-Ku Chien's contributions to the development of white light-emitting diodes exemplify the impact of innovative thinking in technology. His patent reflects a significant advancement in LED technology, paving the way for more efficient lighting solutions.