Wataru Yamamoto

Title: Wataru Yamamoto: Innovator in Display Device Inspection Technology

Introduction

Wataru Yamamoto is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of display device technology, particularly in inspection methods and devices. With a total of 2 patents to his name, his work has advanced the quality assurance processes in display manufacturing.

Latest Patents

Yamamoto's latest patents include an "Inspection method and inspection device for display device" and an "active matrix substrate used for display device." The first patent describes an inspection device that features an inspection circuit capable of judging defects in pixels based on the current flowing through an inspection interconnect. This device includes a correction circuit that generates a first correction current to cancel out the first current when all pixels are set to an off-state. Additionally, it has a detection circuit that measures values for each pixel and a defect judgment circuit that assesses pixel defects based on these measurements.

The second patent focuses on an inspection method and device for active matrix substrates. This method involves charging a parasitic capacitor between the gate and drain of an operating transistor and measuring the discharge current to determine the presence of defects in multiple pixels.

Career Highlights

Wataru Yamamoto is currently employed at Wintest Corporation, where he continues to innovate in the field of display technology. His work has been instrumental in enhancing the reliability and efficiency of display devices.

Collaborations

Yamamoto collaborates with talented coworkers, including Shoji Nara and Hui Jiang, who contribute to the development of advanced inspection technologies.

Conclusion

Wataru Yamamoto's contributions to the field of display device inspection are noteworthy. His innovative patents and ongoing work at Wintest Corporation highlight his commitment to advancing technology in this critical area.