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. 01, 2022
Filed:
Sep. 17, 2020
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Jeong-Eun Won, Paju-si, KR;
Seul-Gi Choi, Paju-si, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 27/32 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/502 (2013.01); H01L 27/3211 (2013.01); H01L 51/0059 (2013.01); H01L 51/0061 (2013.01); H01L 27/3244 (2013.01); H01L 51/0072 (2013.01); H01L 2251/303 (2013.01); H01L 2251/552 (2013.01);
Abstract
The present disclosure provides a quantum dot (QD) light emitting diode including: a first electrode and a second electrode facing each other; a QD emitting material layer positioned between the first electrode and the second electrode and including a QD; a hole auxiliary layer positioned between the first electrode and the QD emitting material layer; and an electron transporting layer positioned between the QD emitting material layer and the second electrode and including an electron-property material and a hole-property material.