Qifei Tu

Title: Qifei Tu: Innovator in Tunable White Lighting Technologies

Introduction

Qifei Tu is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of lighting technology, particularly through his innovative approaches to tunable white color methods. His work has implications for various applications in lighting design and energy efficiency.

Latest Patents

Qifei Tu holds a patent for a lighting apparatus that includes first, second, and third groups of solid-state light emitters. This invention, titled "Tunable white color methods and uses thereof," features a current controller that manages the relative flux ratios of the light emitters. The controller is programmed to retrieve data from a look-up table to generate pulse width modulation (PWM) signals, allowing for precise control over the flux output of each group. This technology enables the achievement of desired correlated color temperature (CCT) and total flux output, enhancing the versatility of lighting solutions.

Career Highlights

Qifei Tu is associated with Huizhou Light Engine Limited, where he continues to develop innovative lighting solutions. His expertise in solid-state lighting and color tuning has positioned him as a key figure in the industry. His work not only advances technological capabilities but also contributes to energy-saving initiatives in lighting.

Collaborations

Qifei Tu collaborates with Wa-Hing Leung, a fellow innovator in the field. Their partnership fosters the exchange of ideas and enhances the development of cutting-edge lighting technologies.

Conclusion

Qifei Tu's contributions to tunable white lighting technologies exemplify the impact of innovation in enhancing energy efficiency and lighting design. His work continues to influence the future of lighting solutions.