Kun-Chieh Chang

Title: Kun-Chieh Chang: Innovator in LCD Backlight Technology

Introduction

Kun-Chieh Chang, an accomplished inventor based in Tainan, Taiwan, has made significant strides in the field of liquid crystal display (LCD) technology. With a total of two patents to his name, his innovative contributions focus on enhancing the functionality and efficiency of backlight modules used in LCDs.

Latest Patents

Chang's latest patents showcase his expertise and ingenuity in the realm of light emitting diode (LED) technologies. The first patent, "System and method for driving light emitters of backlight module using current mixing," reveals a novel approach where light emitters of an LCD backlight module are driven by a combination of constant current and pulse width modulated current. This method allows for precise control of optical output by determining the pulse width modulation based on the emitters' optical performance.

His second patent, "System and method for stabilizing wavelength of LED radiation in backlight module," presents a sophisticated system using two photodiodes with different sensitivities to regulate the LED radiation wavelength. By leveraging a microprocessor unit and driver circuit, the system can adapt to variations in wavelength and maintain consistent light output through intelligent compensation signals, ultimately enhancing display quality.

Career Highlights

Kun-Chieh Chang is associated with the Industrial Technology Research Institute, where he is involved in pioneering research and development efforts aimed at advancing display technologies. His work demonstrates a commitment to pushing the boundaries of innovation in the electronics sector.

Collaborations

Throughout his career, Chang has collaborated with notable colleagues such as Zhi-Xian Huang and Hong-Xi Cao. These collaborations have further enriched his research endeavors, fostering a spirit of innovation and teamwork in the pursuit of technological advancements.

Conclusion

In summary, Kun-Chieh Chang stands out as a significant figure in the invention and innovation of LCD backlight technology, contributing valuable patents that not only enhance the performance of display systems but also embody the ongoing evolution of electronic technologies. His work continues to influence the field, ensuring that advancements in display technologies remain robust and dynamic.