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:
Mar. 05, 2024
Filed:
May. 22, 2020
Samsung Display Co., Ltd., Yongin-si, KR;
Seulong Kim, Cheonan-si, KR;
Taekyung Kim, Yongin-si, KR;
Pilgu Kang, Hwaseong-si, KR;
Jiyoung Kwon, Uijeongbu-si, KR;
Eungyoung Park, Gwangju, KR;
Jiyoung Song, Bucheon-si, KR;
Soon-Chul Chang, Seoul, KR;
Dongseob Jeong, Suwon-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
A light emitting device includes a first electrode, a first stack on the first electrode, a first charge generation layer on the first stack, a second stack on the first charge generation layer, and a second electrode on the second stack. The first stack includes a first light emitting layer and a plurality of first organic layers, and the second stack includes a second light emitting layer and a plurality of second organic layers. Among the plurality of first organic layers and the plurality of second organic layers, at least one of organic layers adjacent to the first light emitting layer and the second light emitting layer includes a light emitting material.