Philip J Cacharelis

Title: The Innovations of Philip J Cacharelis

Introduction

Philip J Cacharelis is a notable inventor based in Menlo Park, CA (US). He has made significant contributions to the field of liquid crystal display technology, holding a total of 9 patents. His work has advanced the capabilities and performance of display systems, particularly in the realm of silicon-based technologies.

Latest Patents

Cacharelis's latest patents include a groundbreaking design for a liquid crystal on silicon (LCOS) display pixel with multiple storage capacitors. This innovation features dual storage capacitors that enhance the storage capacitance of the charge storage node for the liquid crystal pixel. The capacitors are arranged in a stacked configuration, with the bottom capacitor utilizing a buried diffusion layer as the bottom electrode, a first layer of polysilicon as the top electrode, and silicon dioxide as the dielectric. The top capacitor is a poly-to-poly capacitor, which employs the first layer of polysilicon as the bottom electrode and a second layer of polysilicon as the top electrode.

Another significant patent involves a process for forming a silicon LC pixel cell that has planar alignment layers of uniform thickness. This design includes a pixel cell array for a reflective silicon light valve, featuring a planar surface alignment layer that improves the resolution of the pixel cell. The process involves spinning and curing multiple quantities of alignment material, resulting in a surface alignment layer that is both substantially planar and of uniform thickness across the active pixel electrodes.

Career Highlights

Cacharelis has had a distinguished career, working with prominent companies such as National Semiconductor Corporation and National Semiconductor Company. His expertise in display technology has positioned him as a key figure in the development of innovative solutions in the electronics industry.

Collaborations

Throughout his career, Cacharelis has collaborated with notable professionals, including Douglas Robert Farrenkopf and Richard B Merrill. These collaborations have contributed to the advancement of technology in the field of liquid crystal displays.

Conclusion

Philip J Cacharelis is a pioneering inventor whose work in liquid crystal display technology has led to significant advancements in the industry. His innovative patents and career achievements reflect his dedication to enhancing display performance and functionality.