# US 12,000,545 B1 · LED device with magnetic attracting assembly and lighting device having the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,000,545 B1 - Document ID: US12000545B1 - Status: Granted - Kind: B1 - Application number: 18/500,271 - Filed: 2023-11-02 - Granted: 2024-06-04 - Earliest claimed: 2023-09-28 - Applicants: Zhenkun Cao - Inventors: Zhenkun Cao - Web page: https://patentgrep.com/patent/US12000545B1 ## CPC - F21K 9/237: Details of housings or cases, i.e. the parts between the light-generating element and the bases; Arrangement of components within housings or cases (F21K9/238 takes precedence) - F21S 9/02: the power supply being a battery or accumulator - F21V 19/001: {the light sources being semiconductors devices, e.g. LEDs} - F21Y 2115/10: Light-emitting diodes [LED] - F21K: NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR - 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 - 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 An LED device and a lighting device are disclosed. The lighting device includes a mounting device and the LED device. The LED device includes a connecting piece, a light source base, a light source assembly, and a magnetic attracting assembly. The light source base includes a fixing portion and a mounting portion. the fixing portion is connected to the mounting portion. The fixing portion is connected to the connecting piece. The magnetic attracting assembly is arranged between the light source assembly and the mounting portion. The magnetic attracting assembly is configured to magnetically connect the light source assembly to the mounting portion, so that the light source assembly is movably installed on the light source base. The lighting device is able to be installed in different usage scenarios without changing the external circuit wiring and has positive significance for maintaining the original layout of the old house. ## Claims ### Claim 1 An LED device, comprising: a connecting piece, a light source base, a light source assembly, and a magnetic attracting assembly; wherein the light source base comprises a fixing portion and a mounting portion; the fixing portion is connected to the mounting portion; the fixing portion is connected to the connecting piece; wherein the magnetic attracting assembly is arranged between the light source assembly and the mounting portion; the magnetic attracting assembly is configured to magnetically connect the light source assembly to the mounting portion, so that the light source assembly is movably installed on the light source base; wherein the magnetic attracting assembly comprises a magnetic attracting piece and a magnetic attracting matching piece; the magnetic attracting piece is installed on one of the light source assembly and the mounting portion; the magnetic attracting matching piece is installed on the other one of the light source assembly and the mounting portion; wherein the light source assembly comprises an outer shell, a power supply, a printed circuit board (PCB), and LED lamp beads; the outer shell is movably connected to the light source base; the power supply is arranged in the outer shell; the PCB is electrically connected to the power supply; the LED lamp beads are arranged on the PCB; wherein the outer shell comprises an accommodating space, a first supporting portion arranged in the accommodating space, and two second supporting portions arranged in the accommodating space; the first supporting portion is perpendicular to the two second supporting portions; the two second supporting portions are arranged on two opposite sides of the first supporting portion; a top portion of the first supporting portion defines an arc-shaped section matched with a shape of the power supply; a fixing groove configured to fix the power supply is defined between the two second supporting portions. ### Claim 2 (depends on 1) The LED device according to claim 1, wherein the magnetic attracting piece is a magnet body; the magnetic attracting matching piece is a matching magnet or a metal piece capable of magnetically connected to the magnet body. ### Claim 3 (depends on 1) The LED device according to claim 1, wherein the fixing portion is detachably connected to the connecting piece. ### Claim 4 (depends on 1) The LED device according to claim 1, wherein the magnetic attracting piece is arranged on the outer shell; the magnetic attracting matching piece is arranged on the mounting portion. ### Claim 5 (depends on 1) The LED device according to claim 1, wherein the light source assembly further comprises a diffusing piece; the diffusing piece is fixedly connected to the outer shell and located in a light emitting direction of the LED lamp beads. ### Claim 6 (depends on 5) The LED device according to claim 5, wherein a protruding connecting portion is arranged at a position of the diffusing piece where the diffusing piece is connected to the outer shell; a groove matched with the protruding connecting portion is defined in the outer shell; the protruding connecting portion is fastened and fixed in the groove, so that the diffusing piece is fixedly connected to the outer shell. ### Claim 7 (depends on 1) The LED device according to claim 1, wherein the outer shell comprises at least two fixing columns arranged in the accommodating space; the PCB is fixed on the at least two fixing columns. ### Claim 8 (depends on 1) The LED device according to claim 1, wherein a charging interface is arranged on the outer shell; the charging interface is electrically connected to the power supply; the charging interface is configured to charge the power supply. ### Claim 9 (depends on 1) The LED device according to claim 1, wherein the light source assembly further comprises a control component; the control component is installed in the outer shell and is in electrical communication with the PCB; the control component is configured to control the LED lamp beads to emit light. ### Claim 10 (depends on 9) The LED device according to claim 9, wherein a button is arranged on the outer shell; the button is communicated with the control component; the button is configured to control the LED lamp beads to emit the light. ### Claim 11 (depends on 1) The LED device according to claim 1, wherein a positioning portion is arranged on one of the outer shell and the mounting portion; a positioning groove is defined on the other one of the outer shell and the mounting portion. ### Claim 12 (depends on 1) The LED device according to claim 1, wherein the connecting piece is a housing defining a fixing cavity; the fixing cavity is arranged on a middle portion of the connecting piece; outer threads are defined on an outer surface of the housing; the fixing portion is fixed in the fixing cavity. ### Claim 13 (depends on 1) The LED device according to claim 1, wherein the mounting portion comprises a horizontal loading surface, and an arc-shaped guide surface is located on an outer edge of the horizontal loading surface and extends upward; the arc-shaped guide surface is matched with a shape of a bottom portion of the outer shell; the bottom portion of the outer shell is fixedly attached to the horizontal loading surface and the arc-shaped guide surface. ### Claim 14 (depends on 1) A lighting device; comprising: a mounting device, a connecting fitting piece, and the LED device according to claim 1; wherein the connecting fitting piece is configured to connect to the connecting piece; the mounting device is fixedly connected to the connecting fitting piece. ### Claim 15 (depends on 14) The lighting device according to claim 14, wherein the mounting device comprises a bracket body; the bracket body is connected to the connecting fitting piece. ### Claim 16 (depends on 15) The lighting device according to claim 15, wherein the mounting device comprises a lampshade; the lampshade is connected to the bracket body; the lampshade is located outside the LED device. ### Claim 17 (depends on 15) The lighting device according to claim 15, wherein the mounting device comprises a mounting piece; the mounting piece is connected to the bracket body and is configured to fixedly connect to a mounting surface of a mounting object.