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. 20, 2024
Filed:
Oct. 16, 2018
Samsung Electronics Co., Ltd., Suwon-si, KR;
Samsung Sdi Co., Ltd., Yongin-si, KR;
Jongsoo Kim, Seoul, KR;
Joonghyuk Kim, Seoul, KR;
Namheon Lee, Suwon-si, KR;
Inkoo Kim, Suwon-si, KR;
Daun Jeong, Anyang-si, KR;
Sunghan Kim, Seongnam-si, KR;
Myungsun Sim, Suwon-si, KR;
Sooghang Ihn, Hwaseong-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
SAMSUNG SDI CO, LTD., Gyeonggi-Do, KR;
Abstract
An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a first material not including an electron transport moiety, a second material including at least one electron transport moiety, a third material having reorganization energy of about 0.4 eV or more, and a light-emitting material, wherein the first material, the second material, the third material, and the light-emitting material are different from one another, and wherein a ratio of a light-emitting component emitted from the light-emitting material to a total of light-emitting components emitted from the emission layer is about 90% or more.