Company Filing History:
Years Active: 1994-1998
Title: Innovations of Kou-I Chang in Solar Technology
Introduction
Kou-I Chang is a notable inventor based in Yorba Linda, California, recognized for his contributions to solar technology. He holds two patents that showcase his innovative approach to photovoltaic systems. His work emphasizes efficiency and cost-effectiveness in solar energy applications.
Latest Patents
One of Kou-I Chang's latest patents is the "Monolithically Integrated Solar Cell Microarray and Fabrication Method." This invention features a solar cell microarray that includes isolation layers between a substrate and a solar cell layer. The design incorporates a trench that exposes the isolation layer, allowing for spaced and electrically isolated solar cells on a monolithic substrate. This configuration enables the solar cells to be scaled for desired current outputs. The use of photolithographic etching and liftoff processes in the fabrication significantly reduces costs and time compared to traditional methods.
Another significant patent is the "Gallium Arsenide/Aluminum Gallium Arsenide Photocell." This photocell includes a photovoltaic layer structure with a passivation layer made of aluminum gallium arsenide. The design features an electrically conductive cap layer that extends through an antireflection coating to ensure optimal performance. The fabrication process involves precise layering and etching techniques, resulting in a highly efficient photocell.
Career Highlights
Kou-I Chang has had a distinguished career, working with prominent companies such as Spectrolab, Inc. and Hughes Aircraft Company. His experience in these organizations has contributed to his expertise in solar technology and innovation.
Collaborations
Throughout his career, Kou-I Chang has collaborated with notable individuals, including Bruce T. Cavicchi and David R. Lillington. These collaborations have further enriched his work and contributed to advancements in the field of solar energy.
Conclusion
Kou-I Chang's innovative patents and career achievements highlight his significant contributions to solar technology. His work continues to influence the development of efficient and cost-effective solar energy solutions.