David C Hughes, Jr

Title: David C Hughes, Jr: Innovator in Backlight Display Technology

Introduction

David C Hughes, Jr is a notable inventor based in Lawrence, Kansas, who has made significant contributions to the field of personal digital assistants (PDAs). His innovative approach to backlighting systems has led to the development of a unique patent that enhances user experience in electronic devices.

Latest Patents

Hughes holds a patent for an "Integrated backlight display system for a personal digital assistant." This invention features a backlighting system strategically placed within an elongated interior space of a PDA, which typically houses a stylus for interacting with a liquid crystal display (LCD) touch screen. The design includes a backlight driver circuit on a printed circuit board (PCB) that fits within the elongated space. An on-off switch extends from the PCB to an exterior hole in the PDA housing, allowing users to control the backlight. The system also incorporates an on-time control that turns off power to the backlight driver circuit after a predetermined time, along with a dimming control to manage energy delivery to the electroluminescent film. Additionally, a toroidal switching transformer minimizes noise, while a flyback circuit captures back EMF energy, enhancing efficiency.

Career Highlights

Hughes is currently associated with DigitalOcean LLC, where he continues to innovate and develop technologies that improve digital experiences. His work has been instrumental in advancing the functionality and usability of personal digital assistants.

Collaborations

Hughes collaborates with Tim Godfrey, contributing to the development of cutting-edge technologies in their field.

Conclusion

David C Hughes, Jr is a prominent inventor whose work in backlight display technology has made a lasting impact on personal digital assistants. His innovative solutions continue to shape the future of electronic devices.