Jui-Fa Chang

Title: The Innovative Contributions of Jui-Fa Chang

Introduction

Jui-Fa Chang, a notable inventor based in Hsinchu, Taiwan, has made significant strides in the field of optical devices and chemical compositions. With a total of eight patents to his name, Chang's innovations showcase his expertise and creativity in developing advanced technologies.

Latest Patents

Chang's latest patents demonstrate his commitment to enhancing efficiency and functionality in optical technology. One of his prominent inventions, titled "Light efficiency enhancing optical devices," introduces a cholesteric liquid crystal film paired with a quarter wave plate and an optical compensating film. This innovative device is designed to improve light efficiency, achieving in-plane phase retardation ranging from 100 nm to 170 nm and out-of-plane phase retardation from 0 nm to 400 nm.

Another significant patent involves a "Chemical toner composition and method for preparing the same." This invention outlines a new chemical toner composition that includes a resin emulsion, pigment dispersion, wax dispersion, and a dispersible polymer coagulant. The coagulant is a copolymer that incorporates unsaturated ester monomers and amino-containing monomers, leading to the production of uniform toner particles characterized by excellent roundness, improved flowability, and reduced moisture absorption.

Career Highlights

Throughout his career, Jui-Fa Chang has worked with the Industrial Technology Research Institute, where he has aligned his skills with the demands of innovative research and development. His contributions have proven invaluable in advancing technology within his sector.

Collaborations

Chang has collaborated with several talented individuals, including his coworker Ju-Feng Liao, who shares a passion for technology and innovation. Notably, he has also worked with I-Jein Cheng, a talented female inventor, emphasizing the collaborative spirit that drives innovation.

Conclusion

In summary, Jui-Fa Chang stands out as an influential inventor whose work in optical devices and chemical compositions is paving the way for future advancements. With a strong foundation in research and a collaborative approach, Chang continues to inspire and contribute to the world of innovation. His dedication to improving technology through patents ensures that his legacy will have a lasting impact on the industry.