Company Filing History:
Years Active: 1977-1992
Title: Jan Van Der Waal: Innovator in Color Cathode Ray Tube Technology
Introduction
Jan Van Der Waal is a notable inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of display technology, particularly in the development of color cathode ray tubes. With a total of 6 patents to his name, Van Der Waal's work has had a lasting impact on the industry.
Latest Patents
Among his latest patents is a color cathode ray tube featuring a shadow mask with long, narrow apertures. This innovative design allows for smooth north and south edges on the cathodoluminescent screen while achieving the desired mask transmission. The longer, narrower apertures are strategically placed to avoid excessive foreshortening by the mask edge. Another significant patent involves a method for producing a color picture tube screen, particularly for high-definition tubes. This method utilizes a segmented lens to direct light from a point source through a shadow mask onto a photoresist layer applied to the internal surface of a faceplate panel. The segmented lens is designed to wobble in an oblique direction, ensuring uniform illumination across the faceplate panel.
Career Highlights
Jan Van Der Waal is associated with U.S. Philips Corporation, where he has been instrumental in advancing display technologies. His work has contributed to the evolution of high-definition screens and improved image quality in cathode ray tubes.
Collaborations
Throughout his career, Van Der Waal has collaborated with notable colleagues, including Johannes M Compen and Adrianus J Van Denderen. These collaborations have fostered innovation and development in the field of display technology.
Conclusion
Jan Van Der Waal's contributions to the field of color cathode ray tubes and display technology are noteworthy. His innovative patents and collaborations have significantly influenced the industry, showcasing his expertise and dedication to advancing technology.