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:
Mar. 15, 2016
Filed:
Sep. 20, 2011
Maw Soe Win, Yokohama, JP;
Toshiyuki Goshima, Yokohama, JP;
Takahiro Sato, Yokohama, JP;
Hidenao Takato, Tsukuba, JP;
Isao Sakata, Tsukuba, JP;
Maw Soe Win, Yokohama, JP;
Toshiyuki Goshima, Yokohama, JP;
Takahiro Sato, Yokohama, JP;
Hidenao Takato, Tsukuba, JP;
Isao Sakata, Tsukuba, JP;
PI R&D CO., LTD., Kawasaki-Shi, JP;
Abstract
Disclosed are a method of forming a back reflection layer in a solar cell, a composition used therefor, and a solar cell having a back reflection layer formed by the method, which layer has superior heat-resistance and various types of durabilities, and can contribute to improving the conversion rate of solar cells and reliability during long-term use, and which method can form a back reflection layer in a solar cell easily and at low cost. The polyimide resin composition for use in forming a back reflection layer in a solar cell includes an organic solvent, a polyimide resin dissolved in the organic solvent, and light-reflecting particles dispersed in the organic solvent.