Feng-Ku Chien

Title: The Innovations of Feng-Ku Chien

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). His innovative work focuses on enhancing the efficiency and longevity of white light LEDs.

Latest Patents

Feng-Ku Chien holds a patent for a white light emitting diode using phosphor excitation. This invention involves a white LED that includes a reflective mirror positioned at an appropriate angle on the light emitting path of a blue or ultraviolet LED die. Phosphors are coated on the reflective mirror, the emitting plane of the LED, or both. This design allows the phosphors to be excited by the blue or UV lights emitted by the LED die, resulting in the production of white light. The invention aims to provide a white LED with a long lifetime and uniform light color by separating the phosphors from the LED die, allowing for multiple excitations of the emitted light.

Career Highlights

Throughout his career, Feng-Ku Chien has focused on advancing LED technology. His work has contributed to the development of more efficient lighting solutions that are widely used in various applications today.

Collaborations

Feng-Ku Chien has collaborated with notable colleagues, including Lung-Chien Chen and Wen-How Lan. Their combined expertise has furthered advancements in LED technology.

Conclusion

Feng-Ku Chien's innovative contributions to the field of light-emitting diodes have paved the way for more efficient and durable lighting solutions. His patent for a white light emitting diode using phosphor excitation exemplifies his commitment to enhancing technology in this area.