# US 11,739,897 B2 · Rechargeable string lights > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,739,897 B2 - Document ID: US11739897B2 - Status: Granted - Kind: B2 - Application number: 17/867,402 - Filed: 2022-07-18 - Published: 2023-06-22 - Granted: 2023-08-29 - Earliest claimed: 2018-02-06 - Assignees: MPOWERD Inc. - Applicants: Mpowerd Inc. - Inventors: Seungah Jeong; John Salzinger - Web page: https://patentgrep.com/patent/US11739897B2 ## CPC - F21S 9/032: {the solar unit being separate from the lighting unit} - F21S 4/10: with light sources attached to loose electric cables, e.g. Christmas tree lights - F21V 17/007: {with provision for shipment or storage} - F21V 23/06: the elements being coupling devices {, e.g. connectors} - H05B 45/00: Circuit arrangements for operating light-emitting diodes [LED] - H05B 45/10: Controlling the intensity of the light - H05B 47/10: Controlling the light source - F21Y 2115/30: Semiconductor lasers - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED ## Abstract Solar-powered lighting devices are described, the solar-powered lighting devices including a housing and an electronic cord coupled to the housing. The housing may include a first section coupled to a second section, the first section including a solar panel coupled to an outer surface. The lighting devices may also include a rechargeable battery, a microprocessor, and a user interface to receive user input and transmit the user input to the microprocessor. The electronic cord may be flexible and includes at least one light-emitting diode, wherein the microprocessor is configured to control at least one operating mode of the LED of the electronic cord based on the user input. ## Claims ### Claim 1 A lighting device comprising: a housing including a first section, a second section, and a third section disposed between the first section and the second section, wherein the third section includes a cylindrical body having a longitudinal length defined between the first section and the second section; a rechargeable battery; an electronic cord operably coupled to the rechargeable battery, wherein the electronic cord is flexible and coupled to the housing; and a plurality of light-emitting diodes (LEDs) disposed along a length of the electronic cord; wherein the cylindrical body of the third section defines a recessed area that receives the electronic cord wrapped around the cylindrical body when the lighting device is in a first configuration. ### Claim 2 (depends on 1) The lighting device of claim 1, wherein each of the first section and the second section are cylindrical in shape with a diameter greater than a diameter of the third section. ### Claim 3 (depends on 1) The lighting device of claim 1, wherein an outer surface of the first section includes a solar panel, the solar panel being operably coupled to the rechargeable battery and the LEDs. ### Claim 4 (depends on 1) The lighting device of claim 1, wherein at least one of the first section or the second section includes a user interface configured to receive user input for controlling the plurality of LEDs. ### Claim 5 (depends on 1) The lighting device of claim 1, wherein the plurality of LEDs includes 5 to 50 LEDs positioned at regular intervals along the length of the electronic cord. ### Claim 6 (depends on 1) The lighting device of claim 1, wherein each LED of the plurality of LEDs is enclosed within a node, and each node contains one or two LEDs. ### Claim 7 (depends on 1) The lighting device of claim 1, wherein the electronic cord comprises braided wire. ### Claim 8 (depends on 1) The lighting device of claim 1, wherein the length of the electronic cord is at least 20 feet. ### Claim 9 (depends on 1) The lighting device of claim 1, wherein the first section includes a handle. ### Claim 10 (depends on 1) The lighting device of claim 1, wherein the second section includes an electronic connector configured to operably couple the rechargeable battery to an external electronic device. ### Claim 11 (depends on 10) The lighting device of claim 10, wherein the second section includes a movable cover covering the electronic connector. ### Claim 12 A lighting device comprising: a housing including a first section, a second section, and a third section between the first section and the second section, wherein the third section includes a cylindrical body having a diameter less than a diameter of each of the first section and the second section; a rechargeable battery disposed within the third section; an electronic cord coupled to the housing and operably coupled to the rechargeable battery, wherein the electronic cord is flexible; and a plurality of nodes disposed along a length of the electronic cord, each node containing at least one light-emitting diode (LED); wherein the lighting device has a first configuration wherein the electronic cord is wrapped around the cylindrical body of the third section and a second configuration wherein the electronic cord is unwrapped from the cylindrical body, the electronic cord being capable of hanging from an external structure to illuminate an area proximate the lighting device. ### Claim 13 (depends on 12) The lighting device of claim 12, wherein each node is ellipsoidal or cylindrical in shape and comprises a translucent or transparent polymer. ### Claim 14 (depends on 12) The lighting device of claim 12, wherein each node comprises a housing formed of two pieces coupled together, the electronic cord extending through the housing of each node between the two pieces. ### Claim 15 (depends on 12) The lighting device of claim 12, wherein the plurality of nodes includes 10 to 30 nodes positioned at regular intervals along the length of the electronic cord. ### Claim 16 (depends on 12) The lighting device of claim 12, wherein the first section includes a handle, a solar panel, or both, and the second section includes an electronic connector configured to operably couple the rechargeable battery to an external electronic device. ### Claim 17 A lighting device comprising: a housing including a first section, a second section, and a third section disposed between the first section and the second section, wherein the third section includes a cylindrical body having a length defining a recessed area between the first section and the second section; a rechargeable battery disposed within the third section; an electronic cord operably coupled to the rechargeable battery and having a first end fixedly coupled to the housing and a second free end; and a plurality of light-emitting diodes (LEDs) disposed along a length of the electronic cord, each LED disposed within a node; wherein in a first configuration of the lighting device, the electronic cord is wrapped around the cylindrical body of the third section, in a second configuration of the lighting device, the electronic cord is unwrapped from the housing such that the electronic cord is capable of hanging from an external structure to illuminate an area proximate the lighting device. ### Claim 18 (depends on 17) The lighting device of claim 17, wherein each node comprises a translucent or transparent polymer. ### Claim 19 (depends on 17) The lighting device of claim 17, wherein the electronic cord is 15-30 feet in length, and the plurality of LEDs includes 5 to 50 LEDs disposed at regular intervals along the length of the electronic cord. ### Claim 20 (depends on 17) The lighting device of claim 17, wherein the each node contains one LED, or each node contains two LEDs facing in opposite directions away from the electronic cord.