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. 08, 2008
Filed:
Nov. 24, 2003
Applicants:
Yong Qiu, Beijing, CN;
Lian Duan, Beijing, CN;
Yang LI, Beijing, CN;
Liduo Wang, Beijing, CN;
Inventors:
Assignee:
Tsinghua University, Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 33/04 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
An organic light-emitting device comprising a transparent substrate, an anode layer, a cathode layer, organic functional layers sandwiched between the anode layer and the cathode layer, and an encapsulation layer fabricated on one side or both sides of the device, wherein the encapsulation layer includes a thin multilayer structure and a thick organic insulation layer. The thin multilayer structure has a period number (n) of alternating layers formed of a polymer material layer and a ceramic material layer. The thick organic insulation layer is made up of polymer materials on top of the thin multilayer.