Hitoshi Tomii

Title: Hitoshi Tomii: Innovator in Liquid Crystal Display Technology

Introduction

Hitoshi Tomii is a notable inventor based in Ebina, Japan, recognized for his contributions to liquid crystal display (LCD) technology. With a total of three patents to his name, Tomii has made significant advancements in the field, particularly in enhancing the functionality and efficiency of LCD devices.

Latest Patents

One of Tomii's latest patents is a color liquid crystal display having light shielding layers. This invention discloses a color liquid crystal display device that features a plurality of pixels, where conductive films are arranged at regions corresponding to the respective pixels. A light-shielding conductive layer connects to the conductive films and extends in the region between the pixels, with color filters formed on the conductive films. The method of manufacturing this device involves forming a light-shielding conductive layer on a substrate, removing part of the layer corresponding to a pixel for which a filter is to be formed, and ensuring that portions corresponding to pixels with different colors are electrically insulated from each other.

Another significant patent by Tomii involves a liquid crystal display device with an inlet sealant containing particles. This invention describes a liquid crystal display device that incorporates a liquid crystal container with an inlet, a liquid crystal, and an inlet sealant containing particles larger than the thickness of the inlet. This innovation addresses the problem of permeation of the inlet sealant into the liquid crystal container, thereby improving the overall performance of the display device.

Career Highlights

Throughout his career, Hitoshi Tomii has worked with prominent companies, including International Business Machines Corporation (IBM) and Kabushiki Kaisha Toshiba. His experience in these organizations has contributed to his expertise in developing advanced technologies in the field of liquid crystal displays.

Collaborations

Tomii has collaborated with notable colleagues such as Toshihiro Ueki and Yasuhisa Oana. Their combined efforts have furthered the development of innovative solutions in the realm of display technology.

Conclusion

Hitoshi Tomii's contributions to liquid crystal display technology through his patents and collaborations highlight his role as a significant innovator in the field. His work continues to influence advancements in display technology, making a lasting impact on the industry.