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:
Nov. 14, 2023
Filed:
Dec. 28, 2020
Applicants:
Lg Display Co., Ltd., Seoul, KR;
Rohm and Haas Electronic Materials Korea Ltd., Chungcheongnam-do, KR;
Inventors:
HeeJun Park, Paju-si, KR;
Jaemin Moon, Paju-si, KR;
Kusun Choung, Paju-si, KR;
Hee Ryong Kang, Hwaseong-si, KR;
Hyun Kim, Hwaseong-si, KR;
Ga Won Lee, Hwaseong-si, KR;
Seung Hyun Yoon, Hwaseong-si, KR;
Kyoung-Jin Park, Hwaseong-si, KR;
Assignees:
LG DISPLAY CO., LTD, Seoul, KR;
ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD., Chungcheongnam-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07F 15/00 (2006.01); H10K 85/30 (2023.01); H10K 50/15 (2023.01);
U.S. Cl.
CPC ...
C07F 15/0033 (2013.01); H10K 85/342 (2023.02); H10K 50/15 (2023.02);
Abstract
A new luminescent material and an electroluminescent display device using the same are disclosed, in which the luminescent material includes a compound expressed by the following chemical formula 1 and may be used as a dopant of a light emitting layer of a green, yellow-green or red color: