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:
Aug. 27, 2019
Filed:
Nov. 13, 2017
Japan Display Inc., Tokyo, JP;
Jun Takagi, Tokyo, JP;
Japan Display Inc., Tokyo, JP;
Abstract
An electroluminescence display device includes a first pixel electrode; a second pixel electrode provided in the same layer as the first pixel electrode; a counter electrode provided on the first pixel electrode and the second pixel electrode; a first organic light emitting layer provided between the first pixel electrode and the counter electrode, the first organic light emitting layer emitting light having a first wavelength; and a second organic light emitting layer provided between the second pixel electrode and the counter electrode, the second organic light emitting layer emitting light having a second wavelength. The first light emitting layer contains a host material, a first dopant material and a first assist dopant material; and the second light emitting layer contains the host material, a second dopant material and a second assist dopant material.