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:
Jul. 04, 2023
Filed:
May. 04, 2020
Samsung Display Co., Ltd., Yongin-si, KR;
Hwan-Hee Cho, Yongin-si, KR;
Myeong-Suk Kim, Yongin-si, KR;
Sung-Wook Kim, Yongin-si, KR;
Se-Hun Kim, Yongin-si, KR;
Jin-Soo Hwang, Yongin-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
An organic light emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a first compound, a second compound, a third compound, and a fourth compound, and the first compound to the fourth compound satisfy Equations 1 to 8:+0.15 electron volts (eV)  Equation 1+0.15 eV  Equation 2  Equation 3  Equation 4  Equation 5+0.1 eV  Equation 6−5.6 eV≥  Equation 7.  Equation 8