Yoshihisa Ooishi

Title: Yoshihisa Ooishi: Innovator in Liquid Crystal Display Technology

Introduction

Yoshihisa Ooishi, a prominent inventor based in Yokohama, Japan, has made significant contributions to the field of liquid crystal display (LCD) technology. With a remarkable portfolio of 39 patents, he has been at the forefront of innovations that enhance display performance and efficiency.

Latest Patents

Among his latest patents, two notable inventions stand out. The first patent describes a liquid crystal display device and method of driving the same. This display device incorporates data lines extending in one direction and gate lines extending in another. It features a source driver that supplies data signals and a timing controller that determines the scan order of gate lines based on input image data. This approach allows for alternating scan orders in each frame, optimizing the display of images.

The second patent focuses on a liquid crystal display device that performs phase inversion drive alongside frame inversion drive. This innovative technique ensures that the data voltage polarity is inverted at predetermined timings, contributing to improved display quality. The source driver's ability to manipulate data voltages during horizontal scanning furthers the advancement of LCD technology.

Career Highlights

Yoshihisa Ooishi’s career spans several years with significant roles at prestigious companies. He has worked for Panasonic Liquid Crystal Display Co., Ltd. and Hitachi Displays, Ltd., where he has played a critical role in developing cutting-edge display technologies. His expertise has not only led to numerous patents but also to advancements that have practical applications in consumer electronics.

Collaborations

Throughout his career, Yoshihisa has collaborated with other talented professionals in the field, including Junichi Maruyama and Kikuo Ono. These collaborations have fostered innovation and facilitated the sharing of ideas that drive the evolution of display technologies.

Conclusion

Yoshihisa Ooishi continues to be a vital figure in the development of liquid crystal display technology. With 39 patents to his name and ongoing contributions through his work, he exemplifies the spirit of innovation essential for the advancement of modern display systems. His latest inventions stand as a testament to his dedication and expertise in the field.