Location History:
- Suwa, JP (2017)
- Shiojiri, JP (2014 - 2020)
Company Filing History:
Years Active: 2014-2020
Title: Tomokazu Umeno - Innovator in Liquid Crystal Technology
Introduction
Tomokazu Umeno is a notable inventor based in Suwa-shi, Japan. He has made significant contributions to the field of liquid crystal technology. His innovative ideas focus on enhancing the performance and efficiency of liquid crystal devices.
Latest Patent Applications
Umeno's latest patent applications include several advanced technologies. One of his applications is for a "LIQUID CRYSTAL DEVICE, LIQUID CRYSTAL DEVICE DRIVING METHOD, AND ELECTRONIC APPARATUS." This invention describes a liquid crystal device where the pre-tilt angle of the liquid crystal layer is greater on the opposing electrode side than on the pixel electrode side. The application details how a high potential and a low potential are alternately applied to pixel electrodes through switching elements. The opposing electrode potential is designed to be higher than a standard potential, which is crucial for optimizing the device's performance.
Another significant application is for an "ELECTRO-OPTICAL DEVICE AND MANUFACTURING METHOD OF ELECTRO-OPTICAL DEVICE." This invention includes a pair of substrates with a liquid crystal layer interposed between them. It features two electrodes that modulate the liquid crystal layer according to the electric field generated between them. The design incorporates a planarization layer with a flat surface and concave portions, which are essential for creating optical diffraction phenomena.
Conclusion
Tomokazu Umeno's work in liquid crystal technology showcases his innovative spirit and dedication to advancing electronic devices. His latest patent applications reflect his commitment to improving the functionality and efficiency of liquid crystal devices.