Zhihua Song

Title: Zhihua Song: Innovator in LED Technology

Introduction

Zhihua Song is a prominent inventor based in San Jose, CA, known for his contributions to LED technology. With a total of 6 patents, he has made significant advancements in the field of electronic systems and devices.

Latest Patents

One of his latest patents is the "Universal asynchronous receiver/transmitter interface for light emitting diode system." This invention features a LED controller designed for an LED pixel array, which includes a serial interface to an external data bus. It also incorporates an address generator connected to both the serial interface and the LED pixel array. An image frame buffer is linked to the interface to receive image data, while a command and control module modifies the output signals of the image frame buffer. Additionally, a calibration data storage module is included to store calibration data related to pixel voltage response, enabling voltage modifications based on the image presented by the LED pixel array.

Another notable patent is focused on "Systems, apparatus and methods of zero current detection and start-up for direct current (DC) to DC converter circuits." This device comprises a switch, a controller, an RC circuit, a diode, and a zero current detection circuit. The controller manages the switch to charge and discharge an inductor, providing a light emitting diode (LED) drive current. The RC circuit consists of resistive and capacitive elements, while the zero current detection circuit interacts with the controller to ensure efficient operation.

Career Highlights

Zhihua Song has worked with notable companies such as Lumileds LLC and Lumileds Holding B.V. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in the LED technology sector.

Collaborations

Throughout his career, Zhihua has collaborated with talented individuals, including Wouter Anthon Soer and Ron Bonne. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Zhihua Song's work in LED technology exemplifies the spirit of innovation and creativity. His patents and career achievements highlight his significant impact on the industry.