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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.:

US 10896987 B1

PDFFull Text
Date of Patent:
Jan. 19, 2021

Filed:

Mar. 11, 2013

Sealing sheet for back surface of solar cell, and solar cell module

Applicant:

Toyobo Co., Ltd., Osaka, JP;

Inventors:

Yoshitomo Ikehata, Tsuruga, JP;

Akira Shimizu, Tsuruga, JP;

Jun Inagaki, Tsuruga, JP;

Shinji Sawasaki, Osaka, JP;

Ken Jibiki, Osaka, JP;

Assignee:

TOYOBO CO., LTD., Osaka, JP;

Attorney:

Leydig, Voit & Mayer, Ltd.

Primary Examiner:

Vivian Chen

Int. Cl.
CPC ...
H01L 31/049 (2014.01); B32B 27/18 (2006.01); B32B 27/36 (2006.01); B32B 27/08 (2006.01); B32B 27/20 (2006.01); C08L 67/02 (2006.01); C08L 67/03 (2006.01); C09D 175/06 (2006.01); C09D 175/04 (2006.01); C08K 3/22 (2006.01); C08K 3/013 (2018.01);
U.S. Cl.
CPC ...
H01L 31/049 (2014.12); B32B 27/08 (2013.01); B32B 27/18 (2013.01); B32B 27/36 (2013.01); B32B 27/20 (2013.01); B32B 2250/02 (2013.01); B32B 2250/03 (2013.01); B32B 2250/244 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2264/10 (2013.01); B32B 2264/102 (2013.01); B32B 2272/00 (2013.01); B32B 2307/308 (2013.01); B32B 2307/40 (2013.01); B32B 2307/4026 (2013.01); B32B 2307/416 (2013.01); B32B 2307/54 (2013.01); B32B 2307/71 (2013.01); B32B 2307/712 (2013.01); B32B 2307/732 (2013.01); B32B 2307/734 (2013.01); B32B 2367/00 (2013.01); B32B 2457/12 (2013.01); C08K 3/013 (2018.01); C08K 3/22 (2013.01); C08K 2003/2241 (2013.01); C08L 67/02 (2013.01); C08L 67/03 (2013.01); C08L 2203/204 (2013.01); C08L 2207/20 (2013.01); C09D 175/04 (2013.01); C09D 175/06 (2013.01); Y02E 10/50 (2013.01); Y10T 428/2495 (2015.01); Y10T 428/24942 (2015.01); Y10T 428/25 (2015.01); Y10T 428/256 (2015.01); Y10T 428/31565 (2015.04); Y10T 428/31786 (2015.04);
Abstract

The present invention is a sealing sheet for a back surface of a solar cell comprising only one polyester film, wherein the polyester film is composed of at least the layer A and the layer B, or the layer A, the layer B and the layer C described below, wherein the polyester film has a given whiteness and a given average reflectance of the polyester film, a given acid value of the polyester, a given thickness of the whole polyester film, a given thickness of the A layer and the B layer, and a given content of the inorganic fine particles in the whole polyester film.

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