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. 24, 2009
Filed:
Sep. 29, 2006
Applicants:
Tae-whan Kim, Seoul, KR;
Dong-chul Choo, Seoul, KR;
Inventors:
Tae-Whan Kim, Seoul, KR;
Dong-Chul Choo, Seoul, KR;
Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 9/00 (2006.01); H01J 1/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
A manufacturing method of an organic light emitting diode ('OLED') includes forming an anode on a substrate, forming an inorganic buffer layer on the anode, forming a hole transport layer on the buffer layer, forming a light emission layer on the hole transport layer, forming an electron transport layer on the light emission layer, and forming a cathode on the electron transport layer. The forming an inorganic buffer layer includes thermal evaporation and oxidation.