Company Filing History:
Years Active: 1998-2011
Title: Hiroyoshi Tsubota: Innovator in Liquid Crystal Display Technology
Introduction
Hiroyoshi Tsubota is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of liquid crystal display technology, holding a total of 4 patents. His work focuses on enhancing image quality and light fastness in display devices.
Latest Patents
Tsubota's latest patents include innovative designs for liquid crystal display devices and projection-type display devices. One of his notable inventions addresses the problem of image quality degradation caused by polarizers. The embodiment of this invention includes a liquid crystal display device that features a driving-side substrate with a drive transistor, pixel electrode, and orientation film. Additionally, it incorporates an opposed-side substrate with an opposed electrode and orientation film, along with liquid crystal filled between the two substrates. A reflective inorganic polarizer is also formed between the drive transistor and pixel electrode, enhancing the overall performance of the display.
Another significant patent involves a method for driving a liquid crystal display device. This device includes a vertical scanner, horizontal scanner, video driver, timing generator, and termination means. The liquid crystal panel is designed with pixels arranged in a matrix, allowing for efficient operation and stable video signal output.
Career Highlights
Hiroyoshi Tsubota is currently employed at Sony Corporation, where he continues to innovate in the field of display technology. His work has been instrumental in advancing the capabilities of liquid crystal displays, making them more efficient and effective for various applications.
Collaborations
Throughout his career, Tsubota has collaborated with notable colleagues, including Yuji Hayashi and Hiroaki Ichikawa. These partnerships have contributed to the development of cutting-edge technologies in the display industry.
Conclusion
Hiroyoshi Tsubota's contributions to liquid crystal display technology have made a significant impact on the industry. His innovative patents and collaborations reflect his dedication to improving display quality and performance.