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:
Oct. 06, 2009
Filed:
Mar. 27, 2003
Satoru Toguchi, Tokyo, JP;
Hitoshi Ishikawa, Tokyo, JP;
Atsushi Oda, Yonezawa, JP;
Samsung Mobile Display Co., Ltd., Suwon, KR;
Abstract
Provided is a light emitting diode and method for fabricating the same, and a display device using the same, wherein the light emitting diode at least comprises a high refractive index layer on a light transmissive substrate; and an organic electroluminescence (EL) element formed of one organic thin layer or a plurality of organic thin layers interposed between a transparent first electrode and a second electrode formed on the high refractive index layer, and the high refractive index layer has a refractive index higher than that of an emitting layer or has a refractive index of 1.65 or more, and an interface between the high refractive index layer and the light transmissive substrate is roughed to have its center line average roughness in a range of 0.01 μm to 0.6 μm so that light leakage is be prevented and light extraction efficiency becomes higher.