Kohji Nagasaka is a prominent inventor based in Sakai, Japan. He has made significant contributions to the field of display technology, holding a total of 5 patents. His work focuses on enhancing video signal processing and display quality.

Latest Patents

One of his latest patents is a display device that features a video signal line driver circuit. This innovation allows for high-quality video display even when gradation voltages of the same value are selected as analog video signals. The design includes a voltage ladder within the source driver, which has gradation voltage supplement lines extending to the outside. These lines are grounded via voltage supplement capacitors, ensuring that necessary current is provided to prevent potential drops across output terminals.

Another notable patent is related to a power supply control method for display devices. In this design, when a connection confirmation signal indicates an abnormality, the power supply circuit on the control board ceases to output the voltage used for driving source lines. This mechanism helps prevent serious damage during connection failures, showcasing Nagasaka's commitment to safety and reliability in display technology.

Career Highlights

Kohji Nagasaka is currently employed at Sharp Kabushiki Kaisha Corporation, where he continues to innovate in the field of display technology. His work has been instrumental in advancing the capabilities of modern display devices.

Collaborations

He has collaborated with notable colleagues such as Takashi Sasaki and Kazumasa Hata, contributing to various projects that enhance display technology.

Conclusion

Kohji Nagasaka's contributions to display technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the quality and safety of display devices in the market today.

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