# US 10,767,832 B2 · Light source module for vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,767,832 B2 - Document ID: US10767832B2 - Status: Granted - Kind: B2 - Application number: 16/099,849 - Filed: 2017-05-15 - Published: 2019-04-18 - Granted: 2020-09-08 - Earliest claimed: 2016-05-16 - Assignees: LG Innotek Co., Ltd. - Applicants: LG Innotek Co., Ltd. - Inventors: Kyoung Soo Ahn; Sang Hyun An; Dong Il Eom; Jae Myeong Noh - Web page: https://patentgrep.com/patent/US10767832B2 ## CPC - F21S 45/47: Passive cooling, e.g. using fins, thermal conductive elements or openings - F21K 9/23: Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings - F21S 41/147: the main emission direction of the LED being angled to the optical axis of the illuminating device - F21S 41/148: the main emission direction of the LED being perpendicular to the optical axis - F21S 41/151: arranged in one or more lines - F21S 41/192: {Details of lamp holders, terminals or connectors} - F21S 41/198: {Snap-fit attachments} - F21S 41/40: characterised by screens, non-reflecting members, light-shielding members or fixed shades - F21S 41/43: characterised by the shape thereof - F21S 41/47: Attachment thereof (achieving variable light distribution by movable screens F21S41/683) - F21S 41/663: by switching light sources (by switching incandescent light sources F21S41/162) - F21S 43/14: Light emitting diodes [LED] - F21S 43/19: Attachment of light sources or lamp holders - F21S 45/49: Attachment of the cooling means - F21V 29/51: using condensation or evaporation of a fluid, e.g. heat pipes - F21W 2102/13: for high-beam region or low-beam region - F21Y 2105/12: characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities - F21Y 2107/90: on two opposite sides of supports or substrates - F21Y 2115/10: Light-emitting diodes [LED] - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS - 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 - F21W: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS - 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 The present invention provides a light source module for a vehicle comprising: a plate-like heat sink; substrates provided on both sides of the heat sink, respectively; light emitting devices provided on the substrates, respectively; a hole for transmitting light emitted from the light emitting devices; and a pair of bases coupled to the outside of the substrates, wherein the light emitting device includes a first light emitting device and a second light emitting device which are arranged diagonally, and a blocking member is disposed at a lower end of the second light emitting device. As such, it is possible to increase the heat dissipation efficiency by increasing the contact between the heat sink and the substrates. ## Claims ### Claim 1 A light source module for a vehicle, comprising: a heat pipe having a plate shape; substrates provided on both sides of the heat pipe, respectively; first and second light-emitting apparatuses provided on the substrates, respectively; and a pair of bases including a pair of holes configured to transmit light emitted from the light-emitting device apparatuses, and coupled to outer sides of the substrates, wherein, each of the light-emitting devices apparatuses separately includes a first light-emitting device and a second light-emitting device which are diagonally arranged, wherein a first blocking member is disposed below the second light-emitting device is included of the first light-emitting apparatus, and wherein the first blocking member is disposed on a side surface of the first light-emitting device of the first light-emitting apparatus, and one area of a surface of the first blocking member contacting the light emitted from the second light-emitting device of the first light-emitting apparatus has a right-angled shape. ### Claim 2 (depends on 1) The light source module of claim 1, wherein a distance between the first blocking member and the second light-emitting device the first light-emitting apparatus is 0.02 mm to 0.2 mm. ### Claim 3 (depends on 2) The light source module of claim 2, wherein the second light-emitting device of the first light-emitting apparatus has a spacing distance of 2.5 mm to 4.0 mm from an outer wall of the base, which forms one of the holes. ### Claim 4 (depends on 1) The light source module of claim 1, wherein the pair of bases form a cylindrical shape by being coupled to each other, and outer circumferential surfaces of the pair of bases are coupled to each other by at least one snap ring. ### Claim 5 (depends on 4) The light source module of claim 4, wherein a first groove for seating the snap ring is provided on the base. ### Claim 6 (depends on 4) The light source module of claim 4, wherein the snap ring is provided in a circular strap shape having a certain thickness, and one area of the snap ring has an opening. ### Claim 7 (depends on 6) The light source module of claim 6, wherein a size of the opening is smaller than a diameter of one of the bases. ### Claim 8 (depends on 1) The light source module of claim 1, wherein the substrates include a first substrate and a second substrate, and the first substrate and the second substrate are provided in different shapes. ### Claim 9 (depends on 8) The light source module of claim 8, wherein terminals of the first substrate and the second substrate are electrically connected through wires, and a terminal space through which the wires pass is provided in the pair of bases. ### Claim 10 (depends on 1) The light source module of claim 1, wherein the heat pipe is connected to a heat sink. ### Claim 11 (depends on 1) The light source module of claim 1, wherein an inner space for seating the substrates is provided in the pair of bases, the inner space is divided into a close contact part which is in close contact with both the substrates and a spacing part configured to prevent wiring of the substrates from interference, and a circuit wiring is not provided in a portion of the substrate, which is positioned in the close contact part. ### Claim 12 (depends on 1) The light source module of claim 1, wherein a coupling part is provided in one area of an outside of the pair of bases. ### Claim 13 (depends on 12) The light source module of claim 12, wherein the coupling part is provided with a groove to be coupled to one of the bases, and a rotation preventing part configured to prevent the one of the bases from rotating is provided in one area of the groove. ### Claim 14 (depends on 1) The light source module of claim 1, wherein a second blocking member is disposed below the second light-emitting device of the second light-emitting apparatus, and wherein the second blocking member is disposed on a side surface of the second light-emitting device of the second light-emitting apparatus, and one area of a surface of the second blocking member contacting the light emitted from the second light-emitting device of the second light-emitting apparatus has a right-angled shape.