This inventor holds 9 USPTO granted patents. Top assignees: U.S. Philips Corporation, Koninlijke Philips Electronics N.v.. Active years: 1985-2002.
Company Filing History:
8 out of 14,087 
1 out of 21 Years Active: 1985-2002
Title: Wolfram Czarnojan: A Pioneer in Phosphor Technology
Introduction
Wolfram Czarnojan, an accomplished inventor based in Aachen, Germany, holds an impressive portfolio of nine patents. His work primarily focuses on innovative phosphor compositions that significantly enhance display technologies, contributing to advancements in the field.
Latest Patents
Czarnojan's latest patents highlight his expertise in developing advanced materials for display screens. One of his notable inventions involves a phosphor composition that includes an amide group-containing or urethane group-containing organic binder. This composition has been designed for color display screens, particularly cathode ray tubes. It features a phosphor layer which incorporates a water-soluble organic binder, leading to improved sieving behavior of the phosphor powder and enhanced adhesion of pigment particles.
Another significant patent revolves around a display screen that utilizes a metal oxide-containing phosphor composition. This innovation introduces a group of metal-oxygen compounds, including yttrium-oxygen compounds, resulting in remarkable improvements in picture brightness, color purity, and adhesion of the phosphor to the glass substrate. The phosphor layer exhibits high packing density and is free from pinholes, ensuring excellent homogeneity and high definition.
Career Highlights
Throughout his career, Czarnojan has worked with prominent companies, including U.S. Philips Corporation and Koninklijke Philips Electronics N.V. His contributions have been pivotal in the development of cutting-edge display technologies that are widely used in various electronic devices today.
Collaborations
Czarnojan's journey includes collaborations with notable coworkers such as Helmut Bechtel and Markus Haase. These partnerships have enriched his research and development endeavors, allowing for the cross-pollination of ideas and innovations within the team.
Conclusion
Wolfram Czarnojan stands out as a significant figure in the realm of phosphor technology, with a rich array of patents that showcase his pioneering spirit. His contributions continue to influence the technology behind modern display screens, marking him as a vital innovator in the field.