# US 10,502,407 B1 · Heat sink with bi-directional LED light source > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,502,407 B1 - Document ID: US10502407B1 - Status: Granted - Kind: B1 - Application number: 16/019,329 - Filed: 2018-06-26 - Published: 2019-11-21 - Granted: 2019-12-10 - Earliest claimed: 2018-05-21 - Applicants: Daniel S. Spiro - Inventors: Daniel S. Spiro - Web page: https://patentgrep.com/patent/US10502407B1 ## CPC - F21K 9/275: Details of bases or housings, i.e. the parts between the light-generating element and the end caps; Arrangement of components within bases or housings (F21K9/278 takes precedence) - F21V 29/74: with fins or blades - F21K 9/27: Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes - F21S 2/00: Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction - F21S 4/28: rigid, e.g. LED bars - F21V 15/01: Housings, e.g. material or assembling of housing parts (F21V15/02 takes precedence {housings forming signs or letters G09F13/04}) - F21V 21/005: for several lighting devices in an end-to-end arrangement, i.e. light tracks - F21V 23/003: {the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array} - F21V 23/04: the elements being switches (safety devices F21V25/00) - F21V 23/0442: {activated by means of a sensor, e.g. motion or photodetectors} - F21V 23/045: {the sensor receiving a signal from a remote controller} - F21V 23/0478: {by means of an image recording device, e.g. a camera} - F21V 29/763: {the planes containing the fins or blades having the direction of the light emitting axis} - F21V 29/773: {the planes containing the fins or blades having the direction of the light emitting axis} - H05B 45/20: Controlling the colour of the light - H05B 47/125: by using cameras - F21V 5/04: of lens shape - F21V 23/0435: {activated by remote control means} - F21Y 2103/00: Elongate light sources, e.g. fluorescent tubes - F21Y 2103/10: comprising a linear array of point-like light-generating elements - F21Y 2107/90: on two opposite sides of supports or substrates - F21Y 2115/10: Light-emitting diodes [LED] - H05B 45/357: specially adapted for retrofit LED light sources - H10H 20/8582: {characterised by their shape} - Y02B 20/30: Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED] - Y02B 20/40: Control techniques providing energy savings, e.g. smart controller or presence detection - 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 - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS - 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 - H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS ## Abstract A heat sink with bi-directional LED light source is provided. The heat seat includes a plurality of LED light sources mountable to top and bottom surfaces of the heat sink. The heat sink further includes a partial or through bore extending from one end of the heat sink to the other. The through bore contains power or power and data conductors between fluorescent receptacle end caps. The heat sink may include integral heat dissipating fins extending outwardly from at least one of the said heat sink sides. Light emitted from the plurality of light sources is redirected using lens optics to illuminate at least one surface above or below the heat sink. ## Claims ### Claim 1 A heat sink assembly comprising: a single substantially solid or solid core detachable linear heat sink having at least two exterior flat surfaces; a plurality of external heat dissipating fins; and a plurality of light sources retained on the at least two exterior flat surfaces of the core, wherein: the plurality of external heat dissipating fins and the heat sink are a unitary body with the plurality of external heat dissipating fins extending outwardly and from a surface positioned substantially perpendicular to the at least one exterior flat surface of the heat sink; heat generated by the plurality of light sources is substantially transferred to the heat sink and then substantially dissipated through the plurality of heat dissipating fins; the heat sink and the plurality of heat dissipating fins are surrounded by free-flowing air; and a length of a maximum dimension of the core and one fin is greater than a length of a dimension of the core taken perpendicular to said at least one exterior flat surface, wherein light is emitted from the at least two exterior flat surfaces in opposite directions from the core. ### Claim 2 (depends on 1) The assembly of claim 1, wherein each surface of the heat sink retaining light sources can operate independently of each other. ### Claim 3 (depends on 2) The assembly of claim 2, further comprising at least one integral driver. ### Claim 4 (depends on 1) The assembly of claim 1, wherein the heat sink and plurality of fins are made of metallic material, non-metallic material, or combinations thereof. ### Claim 5 (depends on 1) The assembly of claim 1, wherein at least one lamp source's natural light dispersion is augmented by an optically altering device. ### Claim 6 (depends on 1) The assembly of claim 1, wherein a lamp holder(s) is/are configured to retain the heat sink in a dedicated position relating to the light source orientation. ### Claim 7 (depends on 1) The heat sink of claim 1, wherein an orientation device coupled to the heat sink rotates transversely to its linear axis when the heat sink receptacle is engaged. ### Claim 8 (depends on 1) The assembly of claim 1, wherein the heat sink's lamp can transmit data photonically. ### Claim 9 (depends on 1) The assembly of claim 1, wherein the heat sink may retain electronic devices including light source and other power-consuming devices. ### Claim 10 (depends on 1) The assembly of claim 1, wherein a sensing device mounted or built into the heat sink communicates with remote devices. ### Claim 11 (depends on 1) The linear heat sink of claim 1, further comprising conductors inside a longitudinal bore in the core of the heat sink to convey power or power and data. ### Claim 12 A heat sink assembly comprising a single substantially solid or solid core detachable heat sink, a plurality of external heat dissipating fins, a plurality of light sources and at least one electromechanical connector; the plurality of light sources retained on at least two exterior flat surfaces of the core, wherein: the plurality of external heat dissipating fins and the heat sink are a unitary body with the plurality of external heat dissipating fins extending outwardly and from a surface positioned substantially perpendicular to the at least one exterior flat surface of the heat sink; heat generated by the plurality of light sources is substantially transferred to the heat sink and then substantially dissipated through the plurality of heat dissipating fins; the heat sink and the plurality of heat dissipating fins are surrounded by free-flowing air; a length of a maximum dimension of the core and one fin is greater than a length of a dimension of the core taken perpendicular to said at least one exterior flat surface; and the at least one mechanical connector mechanically retains the heat sink and provides electrical or electrical and data connectivity, wherein light is emitted from the at least two exterior flat surfaces in opposite directions from the core. ### Claim 13 (depends on 12) The heat sink of claim 12, wherein each surface of the heat sink retaining light sources can operate independently of each other. ### Claim 14 (depends on 12) The heat sink of claim 12, further comprising at least one integral driver. ### Claim 15 (depends on 12) The heat sink of claim 12, wherein a connector of the heat sink coupled to a retaining housing forms a rigid connection. ### Claim 16 (depends on 12) The heat sink of claim 12, wherein at least one light source's natural light dispersion is augmented by an optically altering device. ### Claim 17 (depends on 12) The heat sink of claim 12, wherein an orientation device coupled to the heat sink can rotate transversely to its linear axis when the heat sink receptacle is engaged. ### Claim 18 (depends on 12) The heat sink of claim 12, wherein a lamp of the heat sink transmits data photonically. ### Claim 19 (depends on 12) The heat sink of claim 12, wherein the heat sink retains electronic devices including light source and communication devices. ### Claim 20 (depends on 12) The heat sink of claim 12, wherein a sensing device mounted to or built into the heat sink communicates with remote device(s). ### Claim 21 A heat sink light comprising: a single substantially solid or solid core detachable linear heat sink having at least two exterior flat surfaces; a plurality of light sources retained on the at least two exterior flat surfaces of the heat sink; and the plurality of external heat dissipating fins and the heat sink are a unitary body with the plurality of external heat dissipating fins extending outwardly and from a surface positioned substantially perpendicular to the at least one exterior flat surface of the heat sink; wherein: the heat sink and the plurality of heat dissipating fins are surrounded by free-flowing air; a length of a maximum dimension of the core and one fin is greater than a length of a dimension of the core taken perpendicular to said at least one exterior flat surface; and the detachable heat sink rotates transversely about a longitudinal center axis and is coupled to at least one mechanical or electromechanical connector, wherein light is emitted from the at least two exterior flat surfaces in opposite directions from the core. ### Claim 22 (depends on 21) The heat sink of claim 21, wherein the mechanical or electromechanical connector of the heat sink is coupled to a mechanical or electromechanical connector in the retainer housing wherein the housing retains at least one of driver, sensing and/or communication device. ### Claim 23 (depends on 21) The heat sink of claim 21, wherein the heat sink and the retainer housing each have at least one of driver, sensing and/or communication device. ### Claim 24 (depends on 21) The heat sink of claim 21, wherein the retainer housing is made of metallic material, nonmetallic material, or metallic and nonmetallic material. ### Claim 25 (depends on 21) The heat sink of claim 21, wherein at least one connector of the heat sink mechanically engages a receptacle in the retainer housing forming a rigid keyed connection through which power or power and data flow. ### Claim 26 (depends on 25) The heat sink of claim 25, wherein at least two heat sinks are retained by a single retainer housing and the at least two heat sinks engage receptacles located in other than the same side of the retainer housing.