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:
Jan. 29, 2002
Filed:
Jan. 12, 2000
Shigeyoshi Ootsuki, Tokyo, JP;
Yoshikazu Yamaguchi, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A method for manufacturing an organic electroluminescent display device in which a patterning of an organic electroluminescent layer can be carried out without the use of photolithography or metal masking. A transparent electrode and a hole transporting layer are formed on an anode board. Three kinds of layer-stacked devices each emitting light having one of primary colors of red, green and blue, composed of a metal strip and an organic electroluminescent layer covering around the metal strip are then formed. These layer-stacked devices are mounted on an insulation board in a manner that the organic electroluminescent layer faces upward. Then, the anode board and the insulation board are overlaid each other so that the transparent electrode intersects the layer-stacked device and that the hole transporting layer and the organic electroluminescent layer are opposed to each other.