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. 08, 2019
Filed:
Jul. 08, 2015
Dupont Teijin Films U.s. Limited Partnership, Chester, VA (US);
Emily Parnham, Stockton, GB;
Simon V. Mortlock, Dumfries, GB;
Allan Lovatt, Middlesbrough, GB;
Julian N. Robinson, Easby, GB;
Maurice Kieran Looney, Darlington, GB;
Paul James Oliver, Billingham, GB;
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP, Chester, VA (US);
Abstract
A photovoltaic cell comprising a transparent front-plane, an opaque back-plane and an encapsulant resin wherein said back-plane comprises a polyester film comprising a base layer (B) comprising a crystallizable polyester and a heat-sealable layer (A) comprising an amorphous copolyester wherein: (i) said amorphous copolyester is derived from an aliphatic diol and a cycloaliphatic diol and at least one aromatic dicarboxylic acid (ii) said polyester film is disposed in the photovoltaic cell such that layer (A) is in contact with the encapsulant resin.