Inventor · Roetgen, DE

Wolfgang Busselt

35Patents
9h-index
36Co-inventors
71Inventor score

Filing activity: Aug 10, 1995 → Nov 30, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US6234648A Lighting system Emerging Cross-Sectional Technologies 583 Expired
US6234645A LED lighting system for producing white light Emerging Cross-Sectional Technologies 225 Expired
US5756224A Organic electroluminescent component Emerging Cross-Sectional Technologies 117 Expired
US5955836A Organic electroluminescent component with exciplex formed from a mixed layer of a mixture of hole transporting and electron transporting organic material Electricity 72 Expired
US7038370B2 Phosphor converted light emitting device Electricity 37 Expired
US6350534B1 Organic light-emitting diode with terbium complex Emerging Cross-Sectional Technologies 24 Expired
US7982229B2 Light emitting device with conversion structure Electricity 14 Active
US8035287B2 Fluorescent lighting creating white light Emerging Cross-Sectional Technologies 10 Active
US8159126B2 Light emitting device with an improved CaAlSiN light converting material Electricity 10 Active
US6753649B1 Plasma picture screen with UV light reflecting front plate coating Electricity 9 Expired
US7573189B2 Illumination system comprising a radiation source and a fluorescent material Electricity 6 Expired
US6777879B2 Gas discharge lamp comprising a phosphor layer Electricity 5 Expired
US7943950B2 Structured substrate for a LED Electricity 5 Active
US7901592B2 Illumination system comprising a green-emitting ceramic luminescence converter Electricity 4 Active
US8471456B2 Electroluminescent light source with improved color rendering Electricity 4 Active
US8829779B2 Electroluminescent device Emerging Cross-Sectional Technologies 3 Active
US8040045B2 Electroluminescent light source Electricity 3 Active
US7800123B2 Electroluminescence device Electricity 3 Active
US6700324B2 Plasma picture screen with improved white color point Electricity 2 Expired
US8247828B2 Illumination device, particularly with luminescent ceramics Electricity 2 Active
US6975287B2 Plasma color display screen with pixel matrix array Chemistry; Metallurgy 2 Expired
US7642714B2 Electroluminescent device with a transparent cathode Electricity 2 Expired
US7859185B2 Light-emitting device Electricity 2 Active
US6410169B1 Discharge lamp Emerging Cross-Sectional Technologies 2 Expired
US7952270B2 Electroluminescent device Electricity 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.