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:
Feb. 02, 2021
Filed:
Apr. 18, 2019
Samsung Display Co., Ltd., Yongin-si, KR;
Hyuneok Shin, Yongin-si, KR;
Hongsick Park, Yongin-si, KR;
Gyungmin Baek, Yongin-si, KR;
Juhyun Lee, Yongin-si, KR;
Sangwon Shin, Yongin-si, KR;
SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;
Abstract
An organic light-emitting diode includes a first electrode and a second electrode that face each other, an organic emission layer between the first electrode and the second electrode, and an inorganic hole injection layer between the first electrode and the organic emission layer. The inorganic hole injection layer includes oxide of a form A-B-O, including an element A and an element B. The element A is one of molybdenum (Mo) and tungsten (W). The element B is one of vanadium (V), niobium (Nb), and tantalum (Ta). An atom content (x) of the element B is greater than 0 and no more than 15 at % (0<x≤15 at %) based on a total atom content of the inorganic hole injection layer.