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, 2004
Filed:
Aug. 17, 2000
Toni Östergård, Turku, FI;
Terho Kaikuranta, Piispranristi, FI;
Bror Svarfvar, Kaarina, FI;
Nokia Mobile Phones, Ltd., Espoo, FI;
Abstract
An integrated key and a method of producing the integrated key, wherein the integrated key can be used on an electronic device. The integrated key includes an organic light-emitting layer and a plurality of electrodes, operatively connected to a power source, to activate the light-emitting layer in order to illuminate the key. Furthermore, the light-emitting layer and the electrodes can be arranged into a group of segments or pixels. The segments or pixels can be individually addressable so that they can be selectively activated to from a symbol or words. The key is implemented on a substrate and includes an encapsulation layer to form a cavity for filling with a gaseous species to protect the organic light-emitting layer in the key.