Company Filing History:
2 out of 1,723 
1 out of 934 Years Active: 2009-2016
Title: Innovations of Inventor Lee Chang
Introduction
Lee Chang is a notable inventor based in Shanghai, China. He has made significant contributions to the field of liquid crystal on silicon (LCOS) devices. With a total of 2 patents, his work focuses on enhancing the performance and quality of these advanced display technologies.
Latest Patents
Lee Chang's latest patents include a method and structure for fabricating smooth mirrors for liquid crystal on silicon devices. The first patent describes an LCOS device that consists of a semiconductor substrate and a metal-oxide semiconductor (MOS) device layer. This innovative design features a planarized interlayer dielectric layer and recessed regions filled with a metal layer to create electrode plates. The device also includes a protective layer and a liquid crystal film, with a mirror finish that is free from defects caused by chemical mechanical polishing. The second patent outlines a method for fabricating a liquid crystal on silicon display device, detailing the process of forming a transistor layer, interlayer dielectric layer, and recessed regions using lithographic techniques. This method aims to improve the efficiency and quality of LCOS devices.
Career Highlights
Lee Chang has worked with prominent companies in the semiconductor industry, including Semiconductor Manufacturing International Corporation in Shanghai and Beijing. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of display technology.
Collaborations
Throughout his career, Lee has collaborated with talented individuals such as Roger Lee and Guoqing Chen. These partnerships have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Lee Chang's contributions to the field of liquid crystal on silicon devices demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving display quality and efficiency, making him a significant figure in the semiconductor industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.