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. 07, 2015
Filed:
Oct. 27, 2009
Jung-keun Kim, Seoul, KR;
Do-han Kim, Goyang-si, KR;
Chun-gun Park, Seoul, KR;
Jong-kwan Bin, Gyeonggi-do, KR;
Soon-wook Cha, Goyang-si, KR;
Seung-jae Lee, Seoul, KR;
Jung-Keun Kim, Seoul, KR;
Do-Han Kim, Goyang-si, KR;
Chun-Gun Park, Seoul, KR;
Jong-Kwan Bin, Gyeonggi-do, KR;
Soon-Wook Cha, Goyang-si, KR;
Seung-Jae Lee, Seoul, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
A red phosphorescent composition includes a host material being capable of transporting an electron or a hole; and a dopant material represented by the following Formula 1: wherein each of R1 to R4 is selected from the group consisting of hydrogen atom (H), C1 to C6 alkyl and C1 to C6 alkoxy, and at least one of R1 to R4 is C1 to C6 alkyl, and wherein each of R5 to R7 is selected from the group consisting of hydrogen, C1 to C6 alkyl and halogen atom, and at least one of R5 to R7 is halogen atom, and wherein each of X and Y is selected from the group consisting of H, non-substituted C1 to C6 alkyl and C1 to C6 alkyl substituted by fluorine.