Location History:
- Cergy, FR (1996)
- Paris, FR (1995 - 1997)
Company Filing History:
2 out of 65 
1 out of 1,156 
1 out of 1 Years Active: 1995-1997
Title: The Innovations of Christophe Deffontaines
Introduction
Christophe Deffontaines is a notable inventor based in Paris, France. He has made significant contributions to the field of display technology, holding a total of four patents. His work focuses on advanced display systems that enhance visual performance and functionality.
Latest Patents
One of his latest patents is the "Multiplexed Control Active Matrix Display Screen." This invention features a multiplex control active matrix display screen that includes a first transparent substrate supporting an array of electrodes controlled by an array of transistors. Each transistor is equipped with two control gates, with the second gates interconnected along an addressing row or column. The rows and columns are grouped in sets of N, allowing for efficient control through multiplexed three control signals. Another significant patent is the "Transflective Colour Filter, and a Method of Manufacturing Such a Filter." This optical filter consists of a single transparent or translucent substrate, a colored slice made up of multiple layers corresponding to at least two colors, a light diffusing layer, and an opaque mask with transparent zones representing the displayed colors. The manufacturing method involves multiple exposures of a film with a multi-colored slice and a monochrome photosensitive layer.
Career Highlights
Throughout his career, Christophe Deffontaines has worked with prominent companies such as Société d'Applications Générales d'Électricité et de Mécanique (Sagem) and France Telecom. His experience in these organizations has contributed to his expertise in developing innovative display technologies.
Collaborations
Christophe has collaborated with notable professionals in his field, including Ambroise Parker and Philippe Tison. These partnerships have likely enriched his work and led to further advancements in display technology.
Conclusion
Christophe Deffontaines is a distinguished inventor whose contributions to display technology have made a significant impact. His innovative patents and collaborations reflect his commitment to advancing the field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.