This inventor holds 2 USPTO granted patents. Top assignee: Xerox Corporation. Active years: 1993-1994.
Company Filing History:
Years Active: 1993-1994
Title: The Innovations of Richard B Dingwall
Introduction
Richard B Dingwall is a notable inventor based in Rochester, NY (US). He has made significant contributions to the field of liquid crystal display technology. With a total of 2 patents, his work has advanced the capabilities and applications of display units.
Latest Patents
Dingwall's latest patents include a color liquid crystal display with a dead front appearance. This innovative display unit features a primary, image-defining display and a secondary display arranged in series. The design ensures that when the corresponding light shutters on both displays are closed, no light passes through to the viewing side. An opaque mask is utilized on the input side of the primary display to define the shape of the image elements, allowing for easy alignment between the primary and secondary displays. This technology eliminates the need for precisely shaped color patches, resulting in a true dead front display that can produce colored text displays using mimic-type electrodes.
Career Highlights
Dingwall has had a distinguished career at Xerox Corporation, where he has been able to apply his innovative ideas in practical settings. His work has contributed to the development of advanced display technologies that are used in various applications.
Collaborations
Throughout his career, Dingwall has collaborated with notable colleagues, including Lowell W Knapp and John H Steele. These collaborations have further enhanced the impact of his inventions in the field of display technology.
Conclusion
Richard B Dingwall's contributions to liquid crystal display technology have paved the way for advancements in visual display systems. His innovative patents reflect a commitment to improving the functionality and aesthetics of display units.