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:
Nov. 28, 2006
Filed:
May. 07, 2004
Applicant:
Chao-chin Sung, Pingtung, TW;
Inventor:
Chao-Chin Sung, Pingtung, TW;
Assignee:
Au Optronics Corporation, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An organic light-emitting device includes a substrate, an anode disposed over the substrate, at least one organic light-emitting layer disposed over the anode, a buffer layer disposed over the organic light emitting layer, and a cathode disposed over the buffer layer. The cathode layer includes a first cathode layer, a second cathode layer, and a third cathode layer. The first cathode layer includes conductive material. The second cathode layer includes electron transport material. The third cathode layer includes conductive material.