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:
May. 12, 2020
Filed:
Oct. 01, 2018
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Joong-Hwan Yang, Gwangmyeong-si, KR;
Kyung-Jin Yoon, Goyang-si, KR;
Hyo-Jin Noh, Paju-si, KR;
Dae-Wi Yoon, Paju-si, KR;
In-Ae Shin, Paju-si, KR;
Jun-Yun Kim, Goyang-si, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07D 401/14 (2006.01); C09K 11/02 (2006.01); C07D 219/02 (2006.01); C07D 409/14 (2006.01); H01L 27/32 (2006.01); C09K 11/06 (2006.01); C07D 401/10 (2006.01); C07D 471/04 (2006.01); C07D 495/04 (2006.01); H01L 51/50 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 219/02 (2013.01); C07D 401/10 (2013.01); C07D 401/14 (2013.01); C07D 409/14 (2013.01); C07D 471/04 (2013.01); C07D 495/04 (2013.01); C09K 11/025 (2013.01); C09K 11/06 (2013.01); H01L 27/3244 (2013.01); H01L 51/005 (2013.01); H01L 51/0067 (2013.01); H01L 51/0071 (2013.01); H01L 51/0074 (2013.01); H01L 51/0094 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/1059 (2013.01); C09K 2211/1092 (2013.01); H01L 51/0097 (2013.01); H01L 51/5004 (2013.01); H01L 51/5016 (2013.01); H01L 51/5253 (2013.01); H01L 2251/301 (2013.01); H01L 2251/308 (2013.01); H01L 2251/552 (2013.01);
Abstract
Embodiments relate to a delayed fluorescence compound of The excitons in the triplet state are engaged in emission such that the emitting efficiency of the delayed fluorescent compound is increased. Embodiments also relate to a display device with an organic light emitting diode (OLED) that includes the delayed fluorescence compound.