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:
Jun. 29, 1993
Filed:
Nov. 05, 1991
Masahito Asai, Nara, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A solar cell having a by-pass diode includes a second conductivity type layer and a second conductivity type well formed on the front surface of a first conductivity type semiconductor substrate, and a first conductivity type layer formed in a second conductivity type well. A comb-shaped front electrode is formed over the front surface of the substrate and includes a plurality of narrow grid fingers and a bus portion to which the grid fingers are connected. At least a part of the bus portion of the electrode covers the entire first conductivity type layer. A back electrode is formed on the back surface of the substrate. The first conductivity type substrate and the second conductivity type layer constitute the solar cell, and the second conductivity type well and the first conductivity type layer constitute the by-pass diode. The solar cell and the by-pass diode are electrically connected in parallel between the front electrode and the back electrode with their polarities being opposite to each other.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile