The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 12, 2010
Filed:
Dec. 23, 2003
Poopathy Kathirgamanathan, North Harrow, GB;
Vijendra Kandappu, London, GB;
Subramaniam Ganeshamurugan, London, GB;
Gnanamoly Paramaswara, London, GB;
Poopathy Kathirgamanathan, North Harrow, GB;
Vijendra Kandappu, London, GB;
Subramaniam Ganeshamurugan, London, GB;
Gnanamoly Paramaswara, London, GB;
Merck Patent GmbH, Darmstadt, DE;
Abstract
An improved electroluminescent device has a layer of a first electroluminescent metal complex or organo metallic complex and a layer of a second metal complex or organo metallic complex in which the band gap of the metal in the second electroluminescent metal complex or organo metallic complex is larger than the band gap of the metal in the first electroluminescent metal complex or organo metallic complex.