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:
Feb. 18, 2020
Filed:
Jan. 13, 2016
Applicant:
Hodogaya Chemical Co., Ltd., Tokyo, JP;
Inventors:
Norimasa Yokoyama, Tokyo, JP;
Shuichi Hayashi, Tokyo, JP;
Hideyoshi Kitahara, Tokyo, JP;
Sung Keum Choi, Tokyo, JP;
Si In Kim, Tokyo, JP;
Ji Yung Kim, Tokyo, JP;
Hyunju Oh, Tokyo, JP;
Assignee:
HODOGAYA CHEMICAL CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07D 401/10 (2006.01); C09K 11/06 (2006.01); H01L 51/50 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0067 (2013.01); C07D 401/10 (2013.01); C09K 11/06 (2013.01); H01L 51/50 (2013.01); H01L 51/001 (2013.01); H01L 51/5016 (2013.01); H01L 51/5072 (2013.01); H01L 51/5092 (2013.01); H01L 51/5096 (2013.01); H01L 51/5206 (2013.01); H01L 51/5221 (2013.01);
Abstract
According to the present invention, there are provided pyrimidine derivatives represented by the following general formula (1). The pyrimidine derivatives of the invention are novel compounds and feature (1) good electron injection property, (2) high electron mobility, (3) excellent hole blocking property, (4) good stability in their form of thin films, and (5) excellent heat resistance.