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. 26, 2021
Filed:
Mar. 07, 2019
Japan Display Inc., Minato-ku, JP;
Norihisa Maeda, Minato-ku, JP;
Japan Display Inc., Minato-ku, JP;
Abstract
An organic EL display device according to an embodiment of the present invention includes: a substrate; a plurality of pixels located on the substrate; lower electrodes respectively included in the plurality of pixels; a bank defining the plurality of pixels and located between the lower electrodes next to each other; an organic material layer disposed on the lower electrodes and on the bank; and an upper electrode disposed on the organic material layer. A carrier movement preventing layer preventing movement of carriers from the upper electrode to the organic material layer is formed between the organic material layer and the upper electrode on the bank.