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. 16, 2022
Filed:
Jun. 23, 2020
Lg Display Co., Ltd., Seoul, KR;
Korea Advanced Institute of Science and Technology, Daejeon, KR;
Kyu-Nam Kim, Paju-si, KR;
Duk-Young Jeon, Paju-si, KR;
Hyun-Jin Cho, Paju-si, KR;
Sun-Joong Park, Paju-si, KR;
LG Display Co., Ltd., Seoul, KR;
Korea Advanced Institute of Science and Technology, Daejeon, KR;
Abstract
The present disclosure provides a quantum dot (QD) light emitting diode including: a first electrode; a second electrode facing the first electrode; a QD emitting material layer positioned between the first electrode and the second electrode and including a QD and an organic material; a hole auxiliary layer positioned between the first electrode and the QD emitting material layer; and an electron auxiliary layer positioned between the QD emitting material layer and the second electrode, wherein the organic material has a highest occupied molecular orbital (HOMO) level higher than a material of the hole auxiliary layer.