# US 2018/0320838 A1 · Modular light system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0320838 A1 - Document ID: US20180320838A1 - Status: Published application - Kind: A1 - Application number: 15/971,627 - Filed: 2018-05-04 - Published: 2018-11-08 - Earliest claimed: 2017-05-08 - Assignees: Maxlite, Inc. - Applicants: Maxlite, Inc. - Inventors: JUN XIANG; JIWAN KIM - Web page: https://patentgrep.com/patent/US20180320838A1 ## CPC - F21S 2/005: {of modular construction} - F21V 23/003: {the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array} - F21V 23/0442: {activated by means of a sensor, e.g. motion or photodetectors} - F21V 23/0464: {the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors} - F21V 23/06: the elements being coupling devices {, e.g. connectors} - F21V 29/76: with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section - F21Y 2101/00: Point-like light sources - F21Y 2115/10: Light-emitting diodes [LED] - F21Y 2115/15: Organic light-emitting diodes [OLED] - 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 A modular light system comprising a light module comprising a heat sink having a first side with a first mechanical coupling and a second side with a second mechanical coupling, a solid-state light emitting component connected to the heat sink, and a junction box with a first electrical coupling and a second electrical coupling, at least one being electrically connected to the solid-state light emitting component. The modular light system further comprises a base module removably connected to the first side by the first mechanical coupling and the first electrical coupling, and having a connection for power input to the modular light system to provide power to the solid-state light emitting component. A head module is removably connected to the second side by the second mechanical coupling and the second electrical coupling, and has a power terminal end connector. ## Claims ### Claim 1 A modular light system comprising: a light module comprising: a heat sink having a first side with a first mechanical coupling and a second side with a second mechanical coupling; a solid-state light emitting component connected to the heat sink; and a junction box with a first electrical coupling and a second electrical coupling, at least one being electrically connected to the solid-state light emitting component; a base module removably coupled with the light module by the first mechanical coupling and the first electrical coupling; and a head module removably coupled with the light module by the second mechanical coupling and the second electrical coupling, the head module having a power terminal end connector connectable with the second electrical coupling. ### Claim 2 (depends on 1) The modular light system of claim 1, wherein the first mechanical coupling comprises an aperture defined in the first side of the heat sink and a lock extending at least partially into the aperture. ### Claim 3 (depends on 1) The modular light system of claim 1, wherein the second mechanical coupling comprises a guide pin extending from the second side of the heat sink. ### Claim 4 (depends on 2) The modular light system of claim 2, wherein the second mechanical coupling comprises a guide pin extending from the second side of the heat sink. ### Claim 5 (depends on 1) The modular light system of claim 1, wherein the first electrical coupling is one of a plug and a receptacle, and the second electrical coupling is the other one of a plug and a receptacle. ### Claim 6 (depends on 1) The modular light system of claim 1, wherein the first electrical coupling is a plug, and the second electrical coupling is a receptacle. ### Claim 7 (depends on 1) The modular light system of claim 1, wherein the light module further comprises a lens and a gasket connectable to the heat sink to sealingly cover the solid-state light emitting component. ### Claim 8 (depends on 1) The modular light system of claim 1, further comprising a plurality of solid-state light emitting components. ### Claim 9 (depends on 1) The modular light system of claim 1, further comprising a mount connected to the base module to secure the modular light system to a support. ### Claim 10 (depends on 9) The modular light system of claim 9, wherein the mount comprises one of a wall pack mount, a knuckle surface mount, a knuckle slip-fit mount, a pole mount and a trunnion mount. ### Claim 11 (depends on 1) The modular light system of claim 1, further comprising a sensor in the base module configured to detect changes in an environmental condition. ### Claim 12 (depends on 11) The modular light system of claim 11, wherein the sensor is configured to detect changes in ambient light. ### Claim 13 (depends on 1) The modular light system of claim 1, further comprising drive circuitry in the head module. ### Claim 14 (depends on 1) The modular light system of claim 1, further comprising control circuitry in the base module. ### Claim 15 (depends on 1) The modular light system of claim 1, wherein the base module has a connection for power input to the modular light system to provide power to the solid-state light emitting component. ### Claim 16 A modular light system comprising: a first light module comprising: a first heat sink having a first side with a first mechanical coupling and a second side with a second mechanical coupling; a first solid-state light emitting component connected to the first heat sink; and a first junction box with a first electrical coupling and a second electrical coupling, at least one being electrically connected to the first solid-state light emitting component; a second light module comprising: a second heat sink having a first side with a first mechanical coupling and a second side with a second mechanical coupling; a second solid-state light emitting component connected to the second heat sink; and a second junction box with a first electrical coupling and a second electrical coupling, at least one being electrically connected to the second solid-state light emitting component; a base module removably coupled with the first light module by the first mechanical coupling and the first electrical coupling; and a head module removably coupled with the second light module by the second mechanical coupling and the second electrical coupling, the head module having a power terminal end connector connectable with the second electrical coupling. ### Claim 17 (depends on 16) The modular light system of claim 16, wherein the first mechanical coupling of each of the first heat sink and second heat sink comprises an aperture defined in the first side of each of the first heat sink and second heat sink, and a lock extending at least partially into the aperture. ### Claim 18 (depends on 16) The modular light system of claim 16, wherein the second mechanical coupling of each of the first heat sink and second heat sink comprises a guide pin extending from the second side of each of the first heat sink and second heat sink. ### Claim 19 (depends on 17) The modular light system of claim 17, wherein the second mechanical coupling of each of the first heat sink and second heat sink comprises a guide pin extending from the second side of each of the first heat sink and second heat sink. ### Claim 20 (depends on 16) The modular light system of claim 16, wherein the first electrical coupling of each of the first junction box and second junction box is one of a plug and a receptacle, and the second electrical coupling is the other one of a plug and a receptacle. ### Claim 21 (depends on 16) The modular light system of claim 16, wherein the first electrical coupling of each of the first junction box and second junction box is a plug, and the second electrical coupling is a receptacle. ### Claim 22 (depends on 16) The modular light system of claim 16, wherein each of the first and second light modules further comprise a lens and a gasket connectable respectively to the first heat sink and second heat sink to sealingly cover the first and second solid-state light emitting component. ### Claim 23 (depends on 16) The modular light system of claim 16, further comprising a mount connected to the head module to secure the modular light system to a support. ### Claim 24 (depends on 23) The modular light system of claim 23, wherein the mount comprises one of a wall pack mount, a knuckle surface mount, a knuckle slip-fit mount, a pole mount and a trunnion mount. ### Claim 25 (depends on 16) The modular light system of claim 16, further comprising a sensor in the base module and configured to detect changes in an environmental condition. ### Claim 26 (depends on 25) The modular light system of claim 25, wherein the sensor is configured to detect changes in ambient light. ### Claim 27 (depends on 16) The modular light system of claim 16, further comprising drive circuitry in the head module. ### Claim 28 (depends on 16) The modular light system of claim 16, further comprising control circuitry in the base module. ### Claim 29 (depends on 16) The modular light system of claim 16, wherein the base module has a connection for power input to the modular light system to provide power to the first solid-state light emitting component.