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. 18, 2014
Filed:
Jan. 13, 2010
Hiroyuki Mori, Kanagawa, JP;
Hidemasa Hosoda, Kanagawa, JP;
Masanori Hikita, Kanagawa, JP;
UDC Ireland Limited, Dublin, IE;
Abstract
The present invention provides an organic electroluminescence display device including an organic electroluminescence element which includes a transparent electrode, a counter electrode, and an organic compound layer provided between the transparent electrode and the counter electrode, the organic compound layer including a light emitting layer, and a fine particle-containing layer positioned in the optical path of light emitted from the light emitting layer and adjacent to the transparent electrode, wherein the fine particle-containing layer contain an organic resin material having a refractive index equal to or lower than the refractive index of the transparent electrode, and fine particles having a refractive index higher than the refractive index of the organic resin material and a weight average particle diameter of 0.5 μm to 5 μm, and the fine particle-containing layer has a thickness of 2 μm to 10 μm.