Location History:
- Gifu, JP (2008 - 2009)
- Moriguchi, JP (2009)
Company Filing History:
Years Active: 2008-2009
Title: **Innovative Contributions of Koji Marumo in Display Technology**
Introduction
Koji Marumo is a notable inventor based in Gifu, Japan, with a commendable record of three patents. His work primarily focuses on advancements in display device technology, aiming to enhance the performance and usability of display panels in various applications.
Latest Patents
Marumo's latest patent showcases a cutting-edge display device featuring an RGB-RGBW conversion circuit. This circuit converts RGB signals into RGBW signals to improve image quality. Additionally, the device includes a display panel equipped with multiple unit pixels, each composed of red, green, blue, and white components. Notably, the invention incorporates a defect position specifier to identify faulty pixels on the screen, ensuring optimal display performance. A conversion rate controller further adjusts the RGB to W signal conversion based on the defect's location, maintaining high-quality visuals even when pixel degradation occurs.
Another significant patent outlines a pixel circuit that operates effectively through the combination of selection and correction thin-film transistors (TFTs). This innovative design allows for precise voltage control, enhancing the driving current supplied to organic EL elements. By positioning the driving and correction TFTs closely, Marumo achieves consistent properties for better correction and functionality in display devices.
Career Highlights
Koji Marumo is affiliated with Sanyo Electric Co., Ltd., where his innovative contributions have played a pivotal role in the advancement of display technologies. His expertise and research in this area underscore his commitment to pushing the boundaries of display performance.
Collaborations
Throughout his career, Marumo has collaborated with talented colleagues such as Masayuki Koga and Keiichi Sano. Their combined efforts in research and development have culminated in several patented technologies that enhance display efficiency and quality.
Conclusion
Koji Marumo's contributions to display technology reflect a remarkable blend of innovation and practical application. With three patents to his name, his work continues to influence the industry, driving advancements that improve user experiences and operational effectiveness in display devices.