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:
Dec. 15, 2020
Filed:
Sep. 07, 2016
Applicant:
Hitachi Chemical Company, Ltd., Tokyo, JP;
Inventors:
Yuki Yoshinari, Tsukuba, JP;
Kenichi Ishitsuka, Nagareyama, JP;
Tomotsugu Sugioka, Tsukuba, JP;
Shigeaki Funyuu, Tsuchiura, JP;
Shunsuke Ueda, Tsukuba, JP;
Naoki Asano, Tsukuba, JP;
Hiroshi Takaira, Hitachinaka, JP;
Iori Fukushima, Tsukuba, JP;
Daisuke Ryuzaki, Tsuchiura, JP;
Assignee:
Showa Denko Materials Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C08G 61/12 (2006.01); C09D 11/102 (2014.01); C09D 11/52 (2014.01); G02F 1/13357 (2006.01); C08L 101/12 (2006.01); H01L 51/50 (2006.01); C09D 165/00 (2006.01); C09K 11/06 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0035 (2013.01); C08G 61/12 (2013.01); C08G 61/124 (2013.01); C08L 101/12 (2013.01); C09D 11/102 (2013.01); C09D 11/52 (2013.01); C09D 165/00 (2013.01); C09K 11/06 (2013.01); G02F 1/1336 (2013.01); H01L 51/0043 (2013.01); H01L 51/50 (2013.01); C08G 2261/124 (2013.01); C08G 2261/135 (2013.01); C08G 2261/1412 (2013.01); C08G 2261/1644 (2013.01); C08G 2261/1646 (2013.01); C08G 2261/18 (2013.01); C08G 2261/22 (2013.01); C08G 2261/228 (2013.01); C08G 2261/312 (2013.01); C08G 2261/314 (2013.01); C08G 2261/3142 (2013.01); C08G 2261/3162 (2013.01); C08G 2261/3222 (2013.01); C08G 2261/3241 (2013.01); C08G 2261/334 (2013.01); C08G 2261/41 (2013.01); C08G 2261/411 (2013.01); C08G 2261/51 (2013.01); C08G 2261/512 (2013.01); C08G 2261/76 (2013.01); C08G 2261/95 (2013.01); H01L 51/5056 (2013.01);
Abstract
An organic electronic material containing a charge transport polymer for which, in a molecular weight distribution chart measured by GPC, the area ratio accounted for by components having a molecular weight of less than 20,000 is not more than 40%, and the area ratio accounted for by components having a molecular weight of 500 or less is not more than 1%.