Location History:
- Denzlingen, DE (1978 - 1979)
- Munich, DE (1980 - 1983)
Company Filing History:
10 out of 30,052 
2 out of 4,816 
1 out of 25 
Years Active: 1978-1983
Title: Waldemar Greubel: Innovator in Display Technology
Introduction
Waldemar Greubel, based in Munich, Germany, is a prolific inventor with a remarkable portfolio of 13 patents. His work primarily revolves around advanced display technologies, showcasing innovative solutions that enhance viewer experiences.
Latest Patents
Among his recent contributions to the field, Greubel has developed a **display device for displaying light images on a dark background**. This device utilizes a liquid crystal cell containing a liquid crystal layer with switchable zones, complemented by a light trap composed of fluorescent particles. The design ensures the liquid crystal layer can block or allow fluorescent light passage depending on its optical state.
Another significant invention is a **display device with a light valve operated in a time division multiplex**. This invention features a light valve that operates using a time division multiplex method along with a fluorescent plate. By employing a steep gradient of the contrast-voltage curve within the liquid crystal, Greubel makes it possible to increase the number of multiplex steps. His innovative use of a diffusingly reflective layer further enhances the device’s performance by restricting light to a narrow defined angle, ensuring a focused output.
Career Highlights
Waldemar Greubel's career includes tenure at notable organizations such as Siemens and the Fraunhofer Society for the Advancement of Applied Research. These experiences have significantly contributed to his expertise and the successful realization of his inventive projects.
Collaborations
In his journey through the innovative landscape, Greubel has collaborated with esteemed colleagues, notably Guenter Baur and Hans Krueger. These partnerships have facilitated the exchange of ideas and fostered advancements in display technology.
Conclusion
Waldemar Greubel stands out as a key figure in the advancement of display technologies through his inventive spirit and commitment to innovation. His contributions continue to influence the industry and inspire future innovations, paving the way for enhanced visual experiences.