# US 2017/0254499 A1 · Substrate for a light module with metal strip used as shielding, a heat screen and/or an optical reflector > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0254499 A1 - Document ID: US20170254499A1 - Status: Published application - Kind: A1 - Application number: 15/508,547 - Filed: 2015-09-07 - Published: 2017-09-07 - Earliest claimed: 2014-09-15 - Applicants: Valeo Vision - Inventors: Hui Jin; Zdravko Zojceski; Christophe Dubosc; David Hue - Web page: https://patentgrep.com/patent/US20170254499A1 ## CPC - F21S 43/145: Surface emitters, e.g. organic light emitting diodes [OLED] - B60Q 1/30: for indicating rear of vehicle, e.g. by means of reflecting surfaces - B60Q 1/34: for indicating change of drive direction (B60Q1/22 takes precedence) - B60Q 1/44: for indicating braking action {or preparation for braking, e.g. by detection of the foot approaching the brake pedal} - F21S 43/14: Light emitting diodes [LED] - F21S 43/26: {Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255} - F21S 43/26231: {collimating, focusing, condensing or projecting beams, e.g. projection lenses or Fresnel lenses} - F21S 43/33: characterised by their material, surface treatment or coatings - F21S 45/10: Protection of lighting devices (cooling of lighting devices F21S45/40; waterproofing of lighting devices F21S45/50) - F21S 45/47: Passive cooling, e.g. using fins, thermal conductive elements or openings - F21V 25/00: Safety devices structurally associated with lighting devices (gas- tight or water-tight arrangements F21V31/00; in general F16P; protective circuit arrangements per se H02H7/00) - F21Y 2115/15: Organic light-emitting diodes [OLED] - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS - B60Q: ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL - 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 light module, particularly for a motor vehicle, comprising a substrate, one or more light sources arranged on the substrate, and a metal coating on the substrate, forming power supply strips for the light source or sources. The metal coating extends at a distance from the supply strips and/or transversely with respect to said strips, in such a way as to form one or more auxiliary zones providing a heat screen, reflective surface, aesthetic surface, and/or electromagnetic shielding function. ## Claims ### Claim 1 A light module particularly for a motor vehicle, comprising: substrate; one or more light sources arranged on said substrate; set of metal strips arranged on said substrate, said set of metal strips forming at least one power supply zone for said one or more light sources; some of said set of metal strips extend at a distance from said at least one power supply zone and/or transversely with respect to said at least one power supply zone in such a way as to form one or more auxiliary zones providing an auxiliary function different to a power supply function, for example a heat screen, reflective surface, aesthetic surface, and/or electrical or magnetic shielding function. ### Claim 2 (depends on 1) The module as claimed in claim 1, wherein said one or more auxiliary zones is connected to a supply strip for said one or more light sources, said supply strip being intended to be connected to the ground, said one or more auxiliary zones providing an electrical shielding function. ### Claim 3 (depends on 1) The module as claimed in claim 1, wherein the metal coating of said one or more auxiliary zones comprises nickel, said one or more auxiliary zones providing a magnetic shielding function. ### Claim 4 (depends on 1) The module as claimed in claim 1, wherein said one or more light sources is of the organic light-emitting diode type projecting from said substrate. ### Claim 5 (depends on 1) The module as claimed in, claim 1, wherein said substrate comprises a cavity with a bottom and at least one side wall, said one or more auxiliary zones extending over said at least one side wall, providing a heat screen, a reflective surface and/or an aesthetic surface function. ### Claim 6 (depends on 5) The module as claimed in claim 5, wherein the metal coating of said heat shield, said reflective surface and/or said aesthetic surface comprises copper, gold and/or silver. ### Claim 7 (depends on 5) The module as claimed in claim 5, wherein said cavity is generally elongated in a main direction, several of said one or more light sources being arranged on the bottom of said cavity in said main direction. ### Claim 8 (depends on 7) The module as claimed in claim 7, wherein said one or more light sources on said bottom of said cavity are electrically connected in series by said at least one power supply zone extending in said main direction of said cavity, said one or more auxiliary zones extending from said at least one power supply zone laterally on both sides of said main direction. ### Claim 9 (depends on 2) The module as claimed in claim 2, wherein said substrate comprises at least one front wall projecting from at least one side wall of said cavity, said one or more auxiliary zones being arranged on said at least one front wall. ### Claim 10 (depends on 3) The module as claimed in claim 3, wherein said metal coating comprises nickel, gold, silver and/or copper. ### Claim 11 (depends on 1) The module as claimed in claim 1, wherein said substrate is a rigid molded piece having a three-dimensional shape. ### Claim 12 (depends on 3) The module as claimed in claim 3, wherin said substrate is made from a thermoplastic material doped with metal particles such as to allow the bonding of said metal coating. ### Claim 13 (depends on 1) The module as claimed in claim 1, wherein said one or more light sources is connected to said at least one power supply zone by an adhesive loaded with metal particles, said adhesive being preferentially a polymer adhesive suitable for polymerizing after application. ### Claim 14 (depends on 1) The module as claimed in claim 1, wherein it is suitable for forming at least one light beam along an optical axis towards the front of said module, said one or more auxiliary zones with a metal coating being arranged on a face of said substrate which is directed towards the front of said module. ### Claim 15 (depends on 1) A light device, particularly for a motor vehicle, comprising: a housing; at least one light module suitable for forming at least one light beam; said at least one light module is in accordance with claim 1. ### Claim 16 (depends on 2) The module as claimed in claim 2, wherein the metal coating of said one or more auxiliary zones comprises nickel, said one or more auxiliary zones providing a magnetic shielding function. ### Claim 17 (depends on 2) The module as claimed in claim 2, wherein said one or more light sources is of the organic light-emitting diode type projecting from said substrate. ### Claim 18 (depends on 3) The module as claimed in claim 3, wherein said one or more light sources is of the organic light-emitting diode type projecting from said substrate. ### Claim 19 (depends on 2) The module as claimed in claim 2, wherein said substrate comprises a cavity with a bottom and at least one side wall, said one or more auxiliary zones extending over said at least one side wall, providing a heat screen, a reflective surface and/or an aesthetic surface function. ### Claim 20 (depends on 6) The module as claimed in claim 6, wherein said cavity is generally elongated in a main direction, several of said one or more light sources being arranged on the bottom of said cavity in said main direction.