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:
Nov. 13, 2012
Filed:
Mar. 12, 2010
Hiroshi Nishihara, Bunkyo-ku, JP;
Mikihiro Hayashi, Bunkyo-ku, JP;
Fumiyuki Toshimitsu, Bunkyo-ku, JP;
Hiroshi Nishihara, Bunkyo-ku, JP;
Mikihiro Hayashi, Bunkyo-ku, JP;
Fumiyuki Toshimitsu, Bunkyo-ku, JP;
The University of Tokyo, Tokyo, JP;
Abstract
The present invention provides a compound having absorbing and luminescence wavelengths at relatively longer wavelength side of the visible area, and having thermal stability, which acts as a dye and/or a luminescence material and has practical utility therefor, and a production method thereof. The above subject of the present invention can be solved by a compound represented by general formula I: R—X—R, wherein Rand Reach independently represents, for example, an N,N-diaryl-4-aminophenyl group, and X is one condensed ring group selected from the group consisting of following formulae X-1 to X-3: