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:
Jan. 09, 2024
Filed:
Aug. 16, 2018
Samsung Display Co., Ltd., Yongin-si, KR;
Naoyuki Ito, Yongin-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
An organic light-emitting device is provided. The organic light-emitting device includes: a first electrode; a second electrode; an organic layer between the first electrode and the second electrode, the organic layer including: an emission layer; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, 50% or more of a total volume of the second electrode being silver (Ag), the hole transport region including an amine-based polymer including a first repeating unit represented by Formula 1, and a number average molecular weight of the amine-based polymer being about 1,000 or more.