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. 11, 2023
Filed:
Aug. 18, 2020
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Seungjin Chu, Yongin-si, KR;
Kyungsik Kim, Yongin-si, KR;
Sungwook Kim, Yongin-si, KR;
Seulong Kim, Yongin-si, KR;
Tsuyoshi Naijo, Yongin-si, KR;
Yunjee Park, Yongin-si, KR;
Sungsoo Bae, Yongin-si, KR;
Dongchan Lee, Yongin-si, KR;
Hyewon Choi, Yongin-si, KR;
Jaeweon Hur, Yongin-si, KR;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5024 (2013.01); H01L 51/0052 (2013.01); H01L 51/0067 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0081 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01);
Abstract
An organic light-emitting device includes a mixed layer, an emission layer, and a buffer layer and satisfies one of Equation 1 or Equation 2 and Equation 3:1()≥1(Mix)+0.3 eV  Equation 11()≥1(Mix)+0.3 eV  Equation 21(Mix)<1(Buffer)+0.5 eV.  Equation 3