This inventor holds 49 USPTO granted patents, primarily in Liquid Crystal Displays. Top assignees: Eastman-Kodak Company, Industrial Technology Research Institute, Global Oled Technology LLC. Active years: 1990-2011.
Location History:
- Rochester, NY (US) (1990 - 1996)
- Fairport, NY (US) (1997 - 2011)
Company Filing History:
36 out of 21,604Â 
11 out of 9,295Â 
2 out of 262Â Years Active: 1990-2011
Areas of Expertise:
Title: Innovations by Krishnan Chari in Liquid Crystal Displays and Light Emitting Devices
Introduction
Krishnan Chari, a prominent inventor based in Fairport, NY, is credited with an impressive portfolio of 49 patents. His work primarily focuses on advancements in liquid crystal technology and light-emitting devices, showcasing his significant contributions to the field of optical materials.
Latest Patents
Among Chari's latest innovations is a patent titled "Sensitized Photochemical Switching for Cholesteric Liquid Crystal Displays." This invention introduces photo-tunable dopant compositions, which include a photo-reactive chiral compound capable of undergoing a photochemical reaction and a triplet sensitizer. The associated display comprises a substrate, liquid crystalline layer, and transparent conductive layers, creating a versatile system for tuning cholesteric liquid crystal materials.
Another notable patent is for a "Light Emitting Device with Microlens Array." This invention outlines a method for manufacturing a micro-lens array paired with a light-emitting device. The process involves forming structured polymer films and transparent films with arrays of microlenses, enhancing light emission efficiency and scratch resistance through the optimal matching of refractive indices.
Career Highlights
Krishnan Chari has worked with esteemed organizations such as Eastman Kodak Company and the Industrial Technology Research Institute. His experience in these industry-leading firms has significantly influenced his work in optical technologies, leading to his numerous patents.
Collaborations
Throughout his career, Chari has collaborated with notable professionals in the field, including Tiecheng A. Qiao and Charles M. Rankin. These partnerships have allowed for a fusion of ideas and expertise, contributing to cutting-edge developments in display technologies.
Conclusion
Krishnan Chari's array of patents represents a significant leap forward in the realms of liquid crystal displays and light-emitting devices. His innovative spirit and dedication to advancing technology continue to inspire future developments in the field.