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. 11, 2025
Filed:
Nov. 01, 2021
Samsung Electronics Co., Ltd., Suwon-si, KR;
Hyo Sook Jang, Suwon-si, KR;
Eun Joo Jang, Suwon-si, KR;
Ilyoung Lee, Yongin-si, KR;
Tae Ho Kim, Seongnam-si, KR;
Kun Su Park, Seongnam-si, KR;
Jun-Mo Yoo, Yongin-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
Abstract
A light emitting device and a production method thereof. The light emitting device includes a light emitting layer including a plurality of quantum dots, and an electron auxiliary layer disposed on the light emitting layer, the electron auxiliary layer configured to transport electrons, inject electrons into the light emitting layer, or a combination thereof, wherein the electron auxiliary layer includes a plurality of metal oxide nanoparticles and a nitrogen-containing metal complex. The metal oxide nanoparticles include zinc and optionally a dopant metal, the dopant metal includes Mg, Co, Ga, Ca, Zr, W, Li, Ti, Y, Al, Co, or a combination thereof and a mole ratio of nitrogen to zinc in the electron auxiliary layer is greater than or equal to about 0.001:1.