Li-Shen Chang

Title: Innovations of Li-Shen Chang in Display Technology

Introduction

Li-Shen Chang is a prominent inventor based in Hsinchu, Taiwan, known for his significant contributions to display technology. With a total of five patents to his name, he has made remarkable advancements in the field, particularly in high-resolution and high frame rate display systems.

Latest Patents

Among his latest patents is a display driver circuit designed for high resolution and high frame rate displays. This innovative circuit includes a GAMMA output circuit, multiple digital-to-analog converters (DACs), multiple source operation amplifiers, and at least one pre-charging circuit. The GAMMA output circuit is responsible for outputting multiple grayscales of GAMMA voltages. Each DAC receives these GAMMA voltages and provides an output data voltage based on the display data. The source operation amplifiers are coupled to the DACs to receive the corresponding output data voltages. The pre-charging circuit enhances the response time of the source operation amplifiers, ensuring quick adjustments to the received output data voltage. Another notable patent involves a scanning method for displays that optimizes the driving order of gate driver lines based on image data, effectively reducing switching currents and achieving power savings.

Career Highlights

Li-Shen Chang has worked with notable companies in the technology sector, including Fitipower Integrated Technology, Inc. and Focaltech Systems Co., Ltd. His work in these organizations has allowed him to develop and refine his innovative ideas in display technology.

Collaborations

Li-Shen has collaborated with several talented individuals in his field, including Chen-Chi Yang and Kuei-Kai Chang. These collaborations have contributed to the advancement of his projects and the successful implementation of his inventions.

Conclusion

Li-Shen Chang's contributions to display technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in high-resolution and high frame rate displays, showcasing the importance of innovation in technology.