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:
May. 26, 2026
Filed:
Sep. 13, 2023
Samsung Electronics Co., Ltd., Suwon-si, KR;
Heejae Lee, Suwon-si, KR;
Tae Ho Kim, Suwon-si, KR;
Jun-Mo Yoo, Suwon-si, KR;
Ilyoung Lee, Suwon-si, KR;
Shin Ae Jun, Suwon-si, KR;
Dae Young Chung, Suwon-si, KR;
Moon Gyu Han, Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;
Abstract
Provided are an electroluminescent device, a method of manufacturing the same, and a display device including the same, the electroluminescent device including a first electron auxiliary layer, a first light emitting layer, and a first electrode disposed on a first surface of a transparent electrode; and a second electron auxiliary layer, a second light emitting layer, and a second electrode disposed on a second surface of the transparent electrode, wherein the first electron auxiliary layer and the second electron auxiliary layer each include a plurality of zinc oxide nanoparticles, a ratio (t/t) of a thickness (t) of the first electron auxiliary layer to a thickness (t) of the transparent electrode and a ratio (t/t) of a thickness (t) of the second electron auxiliary layer to the thickness (t) of the transparent electrode are each in the range of about 0.1 to about 4.0.