# US 12,191,413 B2 · Solar battery module and tandem solar battery > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,191,413 B2 - Document ID: US12191413B2 - Status: Granted - Kind: B2 - Application number: 17/573,666 - Filed: 2022-01-12 - Published: 2022-05-05 - Granted: 2025-01-07 - Earliest claimed: 2019-07-17 - Assignees: Kabushiri Kaisha Toshiba; Toshiba Energy Systems & Solutions Corporation - Applicants: Kabushiki Kaisha Toshiba; Toshiba Energy Systems & Solutions Corporation - Inventors: Katsuya Yamashita; Haiyan Jin; Miyuki Shiokawa; Takeshi Gotanda; Tomohiro Tobari; Yutaka Saita - Web page: https://patentgrep.com/patent/US12191413B2 ## CPC - H10F 19/31: having multiple laterally adjacent thin-film photovoltaic cells deposited on the same substrate - H10F 19/00: Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules - H10F 19/40: comprising photovoltaic cells in a mechanically stacked configuration - H10F 19/70: comprising bypass diodes (bypass diodes in a junction box H02S40/34) - H10F 19/75: the bypass diodes being integrated or directly associated with the photovoltaic cells, e.g. formed in or on the same substrate - H10F 19/80: Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells - H10F 19/908: {for back-contact photovoltaic cells} - H10F 77/935: {for photovoltaic devices or modules} - Y02E 10/50: Photovoltaic [PV] energy - H10F: INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A solar battery module according to an embodiment has at least one solar battery panel, a flexible substrate and a package. A solar battery cell is formed in the at least one solar battery panel. The flexible substrate is directly or indirectly connected to the at least one solar battery panel. A bypass diode is mounted on the flexible substrate. The flexible substrate forms a bypass line of the at least one solar battery panel. The package accommodates the at least one solar battery panel. The flexible substrate has a base material and a wiring. The wiring is supported by the base material. The wiring has a flying lead and a terminal. The flying lead protrudes from the base material. The flying lead is connected to the at least one solar battery panel. The terminal is provided on an outward side of the package. ## Claims ### Claim 1 A tandem solar battery comprising: a pair of solar battery modules each of which has at least one solar battery panel in which a solar battery cell is formed, a flexible substrate which is directly or indirectly connected to the at least one solar battery panel, on which a bypass diode is mounted, and which forms a bypass line of the at least one solar battery panel, and a package which accommodates the at least one solar battery panel, wherein the flexible substrate includes a base material, and a wiring which is supported by the base material, wherein the wiring includes a flying lead which protrudes from the base material and is connected to the at least one solar battery panel, and a terminal which is provided on an outward side of the package, wherein the pair of solar battery modules include a first solar battery module and a second solar battery module, wherein the at least one solar battery panel of the first solar battery module includes a bottom solar battery panel, wherein the at least one solar battery panel of the second solar battery module includes a top solar battery panel which is laminated at a position facing a light receiving surface of the bottom solar battery panel, and wherein the top solar battery panel is larger than the bottom solar battery panel and overlaps the bottom solar battery panel in its entirety in a plan view. ### Claim 2 (depends on 1) The tandem solar battery according to claim 1, wherein the flexible substrate includes a reinforcement member which is joined to the base material, and wherein the reinforcement member is disposed at a position overlapping a mounting portion of the bypass diode. ### Claim 3 (depends on 1) The tandem solar battery according to claim 1, wherein the at least one solar battery panel includes a first solar battery panel and a second solar battery panel which are connected to each other in series, wherein the solar battery module further comprises an inter-panel connector which is connected to the first solar battery panel and the second solar battery panel, and wherein the flexible substrate is connected to the first solar battery panel and the second solar battery panel via the inter-panel connector. ### Claim 4 (depends on 1) The tandem solar battery according to claim 1, wherein the bypass diode is positioned on the outward side of the at least one solar battery panel in the plan view. ### Claim 5 (depends on 1) The tandem solar battery according to claim 1, wherein the wiring includes a dividing portion that separates sections of a main line portion of the wiring from one another, and wherein the bypass diode is arranged across the dividing portion, and is connected to both of the sections sandwiching the dividing portion in the wiring. ### Claim 6 (depends on 1) The tandem solar battery according to claim 1, wherein the bypass diode is positioned on the outward side of the at least one solar battery panel in a first direction in the plan view, wherein the wiring extends from the bypass diode in a second direction orthogonal to the first direction in plan view.