Ching-hui Chen

Title: Innovations by Ching-hui Chen in LED Technology

Introduction

Ching-hui Chen is a notable inventor based in San Jose, CA, who has made significant contributions to the field of LED technology. With a focus on enhancing light extraction and color quality, Chen's work has implications for various applications, including camera flashes and projection systems.

Latest Patents

Chen holds a patent for an innovative LED design that incorporates particles in the encapsulant to increase light extraction and improve the off-state color. The patent describes a method where sub-micron size granules of titanium oxide (TiO), zirconium oxide (ZrO), or other inert granules are mixed with a silicone encapsulant and applied over an LED. In experiments, these granules have been shown to increase the light output of a GaN LED by more than 5% when used in specific weight percentages. This innovation not only enhances the brightness of the LED but also improves its aesthetic appeal when turned off, making it appear whiter and more visually pleasing.

Career Highlights

Throughout his career, Ching-hui Chen has worked with prominent companies in the lighting industry, including Koninklijke Philips Corporation and Philips Lumileds Lighting Company. His experience in these organizations has allowed him to develop and refine his innovative ideas in LED technology.

Collaborations

Chen has collaborated with various professionals in the field, including Grigoriy Basin and Ashim Shatil Haque. These partnerships have contributed to the advancement of his research and the successful implementation of his inventions.

Conclusion

Ching-hui Chen's contributions to LED technology demonstrate his commitment to innovation and improvement in lighting solutions. His patent for enhancing light extraction and color quality showcases the potential for advancements in this field.