Kohichi Ohhara

Title: Kohichi Ohhara: Innovator in Display Technology

Introduction

Kohichi Ohhara is a notable inventor based in Sakai, Japan. He has made significant contributions to the field of display technology, holding a total of 3 patents. His work focuses on enhancing the functionality and efficiency of display devices.

Latest Patents

Ohhara's latest patents include a "Display device having backlight and control method thereof." This invention involves a display panel with two areas and a backlight featuring two light-emitting sections. The device operates by setting a first scanning period, a first blanking period, a second scanning period, and a second blanking period sequentially within one frame period. Scanning lines in the first area are selected during the first scanning period, while those in the second area are selected during the second scanning period. The light-emitting sections are controlled to turn on during specific periods set in the blanking periods.

Another significant patent is the "Liquid crystal display device and method of controlling the same." This invention includes a display unit and a backlight with multiple light sources. It features an LED control circuit that outputs a PWM signal based on a display synchronization signal, allowing the light sources to be intermittently lit. The device is equipped with a monitoring control unit that oversees the PWM signal, drive current, and display synchronization signal. If any abnormalities are detected, the control unit adjusts the PWM signal to ensure the drive current supplied to the light sources becomes zero.

Career Highlights

Kohichi Ohhara is currently employed at Sharp Kabushiki Kaisha Corporation, where he continues to innovate in display technology. His work has contributed to advancements in liquid crystal display devices, enhancing their performance and reliability.

Collaborations

Ohhara has collaborated with notable coworkers, including Takuya Handa and Hideo Tohdoh. Their combined expertise has fostered a creative environment that promotes innovation in display technology.

Conclusion

Kohichi Ohhara's contributions to display technology through his patents and work at Sharp Kabushiki Kaisha Corporation highlight his role as a significant inventor in the field. His innovative approaches continue to shape the future of display devices.