Company Filing History:
Years Active: 2004-2021
Title: Innovations of Qingyu (Tom) Li
Introduction
Qingyu (Tom) Li is an accomplished inventor based in Cupertino, CA. He holds a total of 3 patents that showcase his expertise in optical technologies. His work has significantly contributed to advancements in liquid crystal modulation and optical switching.
Latest Patents
One of his latest patents is titled "Optimization of wavelength selective switch using phase control of liquid crystal spatial light modulator." This invention employs a two-step optimization process to define an optimal phase profile for a liquid crystal on silicon (LCoS) spatial light modulator. The process begins with a nonlinear constrained optimization program to determine the parameters needed for maximum diffraction efficiency in optical switching. The second step involves phase scaling to suppress crosstalk peaks, ensuring the final design is effective and efficient.
Another notable patent is "Apparatus and method for achromatic liquid crystal electro-optic modulation." This invention features an achromatic half wave plate that includes two twisted nematic liquid crystal layers and a uniaxial half wave plate. The design ensures that the optic axes of the layers are orthogonal, enhancing the performance of optical devices.
Career Highlights
Qingyu (Tom) Li has worked with several prominent companies in the field, including Coadna Photonics Inc. and II-VI Delaware, Inc. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in optical technology.
Collaborations
Throughout his career, Qingyu has collaborated with notable professionals such as Jack Robert Kelly and Haiji J Yuan. These partnerships have fostered a creative environment that has led to significant advancements in their respective fields.
Conclusion
Qingyu (Tom) Li's contributions to optical technology through his patents and collaborations highlight his role as a leading inventor in the industry. His innovative approaches continue to influence advancements in liquid crystal modulation and optical switching.