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. 29, 2019
Filed:
Apr. 27, 2018
Nitto Denko Corporation, Osaka, JP;
Mila Rachwal, Oceanside, CA (US);
Michiharu Yamamoto, Carlsbad, CA (US);
Nitto Denko Corporation, Osaka, JP;
Abstract
The invention provides highly fluorescent materials comprising a heterocyclic systems represented by formula (I): wherein i isand Het is wherein X is selected from the group consisting of —N(A)-. The chromophores are particularly useful for absorption and emission of photons in the visible and near infrared wavelength range. The photo-stable highly luminescent chromophores are useful in various applications, including in wavelength conversion films. Wavelength conversion films have the potential to significantly enhance the solar harvesting efficiency of photovoltaic or solar cell devices.