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:
Oct. 18, 2022
Filed:
Apr. 03, 2020
Electronics and Telecommunications Research Institute, Daejeon, KR;
Sukyung Choi, Daejeon, KR;
Hyunkoo Lee, Daejeon, KR;
Byoung-Hwa Kwon, Daejeon, KR;
Jaehyun Moon, Daejeon, KR;
Hyunsu Cho, Daejeon, KR;
Chan-mo Kang, Daejeon, KR;
Chunwon Byun, Daejeon, KR;
Jin Wook Shin, Daejeon, KR;
Nam Sung Cho, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
Provided is a light emitting device including a lower electrode, an upper electrode disposed to face the lower electrode, a quantum dot light emitting layer between the lower electrode and the upper electrode, an electron transport layer between the lower electrode and the quantum dot light emitting layer, and a hole transport layer between the upper electrode and the quantum dot light emitting layer, wherein the quantum dot light emitting layer includes a quantum dot, and a first ligand on a surface of the quantum dot, and a second ligand on the surface of the quantum dot.