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.

Date of Patent:
Dec. 28, 2021

Filed:

May. 21, 2020
Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventors:

Dong Chan Kim, Yongin-si, KR;

Won Jong Kim, Yongin-si, KR;

Eung Do Kim, Yongin-si, KR;

Dong Kyu Seo, Yongin-si, KR;

Da Hea Im, Yongin-si, KR;

Sang Hoon Yim, Yongin-si, KR;

Chang Woong Chu, Yongin-si, KR;

Assignee:

Samsung Display Co., Ltd., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); H01L 51/50 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 51/504 (2013.01); H01L 51/5092 (2013.01); H01L 51/5221 (2013.01); H01L 51/5265 (2013.01);
Abstract

An organic light emitting diode, including a first electrode; a second electrode facing the first electrode, the second electrode including magnesium; an emission layer between the first electrode and the second electrode; and an electron injection layer between the second electrode and the emission layer, the electron injection layer including a dipole material including a first component and a second component having different polarities, the dipole material including halide, and a content of the magnesium included in the second electrode being in a range of from 10 to 40 volume %.


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