Patent ID: 8686280
Filing Date: 2014-04-01
Classification: B32B,H01L,H02S,Y02E

Abstract:
1. A see-through type solar battery module for generating electricity with a plurality of spherical solar cells each of which comprises a p type or n type spherical semiconductor, a pn junction formed at a spherical surface layer portion of the spherical semiconductor; and a pair of first and second electrodes that are formed on opposite sides of a center of the spherical semiconductor and are electrically connected to both sides of the pn junction, comprising: an optically transparent first substrate; the plurality of spherical solar cells arranged with their conductive directions orthogonal to the first substrate and grouped into a plurality of clusters having a same pattern of arrangement, with the plurality of clusters being arranged in a matrix form having a plurality of rows and a plurality of columns; a plurality of conductive layers formed on an inner surface of the first substrate, wherein each one conductive layer of the plurality of conductive layers corresponds to one cluster of the plurality of clusters, wherein for each said one cluster the first electrodes of each one solar cell of the plurality of solar cells of said one cluster are connected electrically in parallel to said one conductive layer, respectively; a plurality of conductive members corresponding to said plurality of clusters, each one conductive member of the plurality of conductive members corresponding to said one cluster of the plurality of clusters, wherein for said each one cluster the second electrode of said each one solar cell of the plurality of solar cells of said one cluster are connected electrically in parallel to said one conductive member, respectively; wherein the plurality of conductive layers further comprise a first conductive paste in direct physical contact with said plurality of conductive layers; wherein the plurality of conductive members further comprise a second conductive paste in direct physical contact with said plurality of conductive members; a plurality of bypass diodes provided corresponding to the plurality of clusters, each one bypass diode of the plurality of bypass diodes corresponds to said one cluster of the plurality of clusters, wherein for each said one cluster said each one bypass diode of the plurality of bypass diodes is electrically connected to and in direct physical contact with the first conductive paste of said one conductive layer of said one cluster and is electrically connected to and in direct physical contact with the second conductive paste of said one conductive member of said one cluster so that said one bypass diode is connected in inverse parallel to said each one solar cell of the plurality of solar cells of each said one cluster; a plurality of conductive connection members each of which electrically connects the conductive layer of each cluster to the conductive member of an adjacent cluster in a predetermined direction; a second optically transparent substrate disposed parallel to the first substrate with the plurality of solar cells sandwiched between them, and with the plurality of conductive members being arranged between the first substrate and second substrate; and an optically transparent synthetic resin molding material that is charged between the first and second substrates and embeds the plurality of solar cells, the plurality of conductive members, and the plurality of conductive connection members therein.