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:
Dec. 10, 2024
Filed:
Apr. 23, 2019
Samsung Display Co., Ltd., Yongin-si, KR;
Sehun Kim, Yongin-si, KR;
Dukki Kim, Yongin-si, KR;
Seunguk Noh, Yongin-si, KR;
Dongwoo Shin, Yongin-si, KR;
Jaekook Ha, Yongin-si, KR;
Eungdo Kim, Yongin-si, KR;
Eunju Nam, Yongin-si, KR;
Hyunwoo Lee, Yongin-si, KR;
Jaesung Lim, Yongin-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
An organic light-emitting device includes a first hole transport region including a polymer compound that includes a repeating unit derived from a compound including a moiety represented by Formula 1A and a second hole transport region including a first compound and a second compound, the first compound including a repeating unit represented by Formula 1, the second compound being a compound represented by Formula 1, and the third compound being a compound represented by Formula 3.