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:
Apr. 26, 2022
Filed:
May. 09, 2019
Samsung Display Co., Ltd., Yongin-si, KR;
Sungwook Kim, Yongin-si, KR;
Seulong Kim, Yongin-si, KR;
Sungsoo Bae, Yongin-si, KR;
Tsuyoshi Naijo, Yongin-si, KR;
Jaeweon Hur, Yongin-si, KR;
Hyein Jeong, Yongin-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer comprises an emission layer, a mixed layer, and a hole transport region, the hole transport region is between the emission layer and the first electrode, the mixed layer is between the hole transport region and the emission layer, and comprises a first compound and a second compound, the first compound comprises an anthracene-based compound represented by Formula 1, and the second compound comprises an amine-based compound represented by Formula 2. A display apparatus includes the organic light-emitting device.