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:
Oct. 22, 2024
Filed:
Nov. 29, 2019
Sumitomo Chemical Co., Ltd., Tokyo, JP;
Nir Yaacobi-Gross, Godmanchester, GB;
Sumitomo Chemical Co., Ltd., Tokyo, JP;
Abstract
A compound of formula (I): Each Rand Ris, independently in each occurrence, a substituent. Each R-Ris, independently in each occurrence, H or a substituent. At least one occurrence of at least one of R-Ris CN. Each Y is independently O or S. Z-Zare each independently a direct bond or Z, Z, Zand/or Ztogether with, respectively, Ror R, Ror R, R, or Rforms an aromatic or heteroaromatic group. The compound of formula (I) may be provided in an active layer of an organic electronic device, e.g. as an electron acceptor in a bulk heterojunction layer of an organic photodetector. A photosensor may comprise the organic photodetector and a light source, e.g. a near infra-red light source.