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:
Dec. 04, 2007
Filed:
Jan. 21, 2003
Yasuyuki Goto, Fukuoka, JP;
Mitsuharu Noto, Kurume, JP;
Yasuyuki Goto, Fukuoka, JP;
Mitsuharu Noto, Kurume, JP;
Kyushu Electric Power Co., Inc., Fukuoka, JP;
Daiden Co., Ltd., Fukuoka, JP;
Abstract
There is provided an electroluminescence device capable of causing an inorganic compound to emit light at a direct current voltage (low voltage), and whose luminescent color can be changed by dispersing the inorganic compound in an organic compound layer as an emissive layer. There is provided an electroluminescence device for emitting light through recombination of a hole injected from an anode and an electron injected from a cathode, wherein a single organic compound layer or plural organic compound layers are provided between the anode and the cathode, and an inorganic compound is dispersed in at least one layer of the organic compound layers.