Isao Oshiumi

Title: Isao Oshiumi: Innovator in Liquid Crystal Display Technology

Introduction

Isao Oshiumi is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of liquid crystal display (LCD) technology. With a total of four patents to his name, Oshiumi has made strides in addressing common issues faced by LCD devices, enhancing their performance and reliability.

Latest Patents

Oshiumi's latest patents focus on innovative liquid crystal display devices. One of his inventions aims to limit the reduction in the voltage holding ratio (VHR) of a liquid crystal layer while also addressing the increase in ion density (ID). This invention effectively tackles display issues such as white missing pixels, alignment inconsistencies, and burn-in. The device is particularly suitable for IPS-mode or FFS-mode LCDs used in active-matrix driving and can be applied to various devices, including televisions, monitors, and smartphones. Another patent relates to a liquid crystal display device that utilizes a specific liquid crystal composition and a color filter with a unique pigment. This invention also prevents decreases in VHR and increases in ID, resolving display defects like missing dots and ghosting, making it ideal for active matrix drive VA-mode and PSVA-mode LCDs.

Career Highlights

Oshiumi is currently associated with Dic Corporation, where he continues to innovate in the field of liquid crystal displays. His work has significantly impacted the quality and functionality of LCD technology, making it more reliable for consumers.

Collaborations

Oshiumi has collaborated with notable colleagues, including Seiji Funakura and Katsunori Shimada, contributing to advancements in liquid crystal display technology.

Conclusion

Isao Oshiumi's contributions to liquid crystal display technology have made a lasting impact on the industry. His innovative patents address critical issues in LCD performance, ensuring better quality displays for various applications.