EP4025458A1 - Procédé de production d'un élément de conception de véhicule automobile semi-transparent - Google Patents

Procédé de production d'un élément de conception de véhicule automobile semi-transparent

Info

Publication number
EP4025458A1
EP4025458A1 EP20764399.0A EP20764399A EP4025458A1 EP 4025458 A1 EP4025458 A1 EP 4025458A1 EP 20764399 A EP20764399 A EP 20764399A EP 4025458 A1 EP4025458 A1 EP 4025458A1
Authority
EP
European Patent Office
Prior art keywords
layer
substrate
light
motor vehicle
front side
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20764399.0A
Other languages
German (de)
English (en)
Inventor
Jochen SATTLER
Thomas Haas
Lukas DIENSTBIER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZKW Group GmbH
Original Assignee
ZKW Group GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZKW Group GmbH filed Critical ZKW Group GmbH
Publication of EP4025458A1 publication Critical patent/EP4025458A1/fr
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/50—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/005—Manufacturers' emblems, name plates, bonnet ornaments, mascots or the like; Mounting means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/02—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces
    • B44F1/04—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces after passage through surface layers, e.g. pictures with mirrors on the back
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/06—Designs or pictures characterised by special or unusual light effects produced by transmitted light, e.g. transparencies, imitations of glass paintings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/0017—Devices integrating an element dedicated to another function
    • B60Q1/0023—Devices integrating an element dedicated to another function the element being a sensor, e.g. distance sensor, camera
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/0076—Switches therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
    • B60R1/1207—Mirror assemblies combined with other articles, e.g. clocks with lamps; with turn indicators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/04—External Ornamental or guard strips; Ornamental inscriptive devices thereon
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/001—General methods for coating; Devices therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/06—Surface treatment of glass, not in the form of fibres or filaments, by coating with metals
    • C03C17/09—Surface treatment of glass, not in the form of fibres or filaments, by coating with metals by deposition from the vapour phase
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3605—Coatings of the type glass/metal/inorganic compound
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3649—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer made of metals other than silver
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3657—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the multilayer coating having optical properties
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/0015—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterized by the colour of the layer
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/0021—Reactive sputtering or evaporation
    • C23C14/0036—Reactive sputtering
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/02—Pretreatment of the material to be coated
    • C23C14/028—Physical treatment to alter the texture of the substrate surface, e.g. grinding, polishing
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/14—Metallic material, boron or silicon
    • C23C14/18—Metallic material, boron or silicon on other inorganic substrates
    • C23C14/185—Metallic material, boron or silicon on other inorganic substrates by cathodic sputtering
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/14—Metallic material, boron or silicon
    • C23C14/20—Metallic material, boron or silicon on organic substrates
    • C23C14/205—Metallic material, boron or silicon on organic substrates by cathodic sputtering
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34—Sputtering
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/58—After-treatment
    • C23C14/5806—Thermal treatment
    • C23C14/5813—Thermal treatment using lasers
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/58—After-treatment
    • C23C14/5873—Removal of material
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
    • C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • C23C28/345—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/255—Filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
    • F21S43/33—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors characterised by their material, surface treatment or coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/50—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
    • B60Q2400/30—Daytime running lights [DRL], e.g. circuits or arrangements therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3684—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the multilayer coating being used for decoration purposes
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/25—Metals
    • C03C2217/257—Refractory metals
    • C03C2217/258—Ti, Zr, Hf
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/70—Properties of coatings
    • C03C2217/72—Decorative coatings
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/10—Deposition methods
    • C03C2218/15—Deposition methods from the vapour phase
    • C03C2218/152—Deposition methods from the vapour phase by cvd
    • C03C2218/153—Deposition methods from the vapour phase by cvd by plasma-enhanced cvd
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/10—Deposition methods
    • C03C2218/15—Deposition methods from the vapour phase
    • C03C2218/154—Deposition methods from the vapour phase by sputtering
    • C03C2218/155—Deposition methods from the vapour phase by sputtering by reactive sputtering
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/30—Aspects of methods for coating glass not covered above
    • C03C2218/32—After-treatment
    • C03C2218/328—Partly or completely removing a coating

Definitions

  • the invention relates to a method for producing a semitransparent motor vehicle design element.
  • the invention also relates to a method for producing a display or signal element.
  • the invention relates to a motor vehicle design element produced according to the method according to the invention, a display or signal element, and a vehicle headlight comprising one according to the invention
  • Motor vehicle design element design element and a motor vehicle comprising a motor vehicle design element according to the invention.
  • Motor vehicle design elements that should be colored in particular, or should have matt or glossy surfaces, are typically designed as plastic components, the final appearance of the surfaces usually being determined by painting with appropriate paints. In this way, colored, glossy or matt vehicle headlight design elements can be produced.
  • a disadvantage of conventionally produced motor vehicle design elements is that paints usually have a considerable layer thickness that cannot be less than a minimum in order to have covering properties - the layer thicknesses can typically be more than 100 micrometers or more.
  • the application of paints is time-consuming, on the other hand, the surface structure of the plastic component is covered by the required layer thickness of a paint and is not completely reproduced.
  • the color impressions and color effects that can be achieved with lacquers are also limited due to their composition and the type of application, with typically only the body's own colors being able to be applied to the substrates for reasons of cost.
  • the body's own colors are colors in which the color impression is created through the absorption of individual color components of the light falling on the body. Optimization of the properties of coatings has so far been achieved by changing the coating process and the composition of the paints to be applied.
  • One object of the invention is therefore to create a method for producing a motor vehicle design element which has an improved visual appearance.
  • the present invention enables a metallic color coating of at least partially translucent plastic substrates, with the production of different cold and warm design lights being made possible.
  • the term "translucent” relates to light in a wavelength range that is visible to the human eye.
  • the expression “semitransparent layer” means that this layer for light which penetrates from the rear side in the direction of the front side through this layer passes through this layer with a transmittance between, for example, 10% and 90%.
  • the expressions “rear side” and “front side” denote each other opposite sides of the substrate or of the motor vehicle design element resulting therefrom.
  • the rear side can be a first side and the front side a second side.
  • the directional information "front” and “rear” are therefore freely selectable from the point of view of the substrate are generally interchanged - only in connection with further features mentioned below are certain properties and layer structures assigned to these pages.
  • the motor vehicle design element is used in connection with an active light source that is set up for at least partial illumination of the motor vehicle design element, with the term “back” denotes that side of the motor vehicle design element that is assigned to this light source and can be irradiated by the light source, so that light emitted by the light source propagates through the motor vehicle design element from the rear to the front in the substrate and on the front out of the Substrate or the motor vehicle design element emerges.
  • the first layer is designed in such a way that the first layer reflects light that occurs on the first layer from the front side in the direction of the rear side of the substrate. D In this way a kind of Venetian mirror can be created.
  • the first layer has a degree of reflection of at least 50% and / or a degree of transmission of at most 50% in a direction of light propagation from the front side to the rear side of the substrate.
  • the front side can be provided with anisotropic reflective properties, so that light that strikes the front side in the direction of the rear side is reflected to a higher degree than light that propagates in the opposite direction.
  • the term “transmittance” (regularly referred to in the specialist literature with the Greek symbol “x”) is understood to mean the inverse ratio of the light incident on a medium (ie the light incident on the light entry surface of the medium) to the transmitted radiation power. The light falls at a right angle on the light entry surface of the medium.
  • the first layer has a degree of reflection of at most 80% and / or a degree of transmission of at least 20% in a direction of light propagation from the rear side to the front side of the substrate.
  • the method further comprises the following step,
  • steps B and C application of a light-absorbing cover layer to the front or back of the substrate, the opaque cover layer containing at least one transparent opening for displaying at least one graphic symbol, steps B and C being carried out in such a way that from the back towards the front of the Substrate through the at least one opening of the opaque cover layer for projection of the at least one graphic symbol represented by the at least one opening impinges on the first metallic semitransparent layer and at least partially penetrates the first metallic semitransparent layer to the outside.
  • the sequence of steps B and C) can in principle be freely selected.
  • the graphic symbol can also simply be a square, a circle, a stripe, etc., e.g. to display fuel caps.
  • the opaque cover layer is applied by means of a PVD process, the at least one transparent opening being exposed by lasers.
  • the layer thickness for achieving this opacity is very small compared to other materials.
  • the expression “opaque” is understood to mean that the degree of transmission is less than or equal to 0.001, ie a maximum of one per thousand or 0.1%.
  • the degree of transmission of “opaque” objects within the meaning of the present invention can be 0.01%, 0.001% or even be exactly 0%.
  • the opaque cover layer can also be designed to be light-absorbing.
  • the cover layer can also be light-absorbing.
  • the opaque cover layer is designed in the form of a film. This can be an adhesive film or a deep-drawn film which is sprayed onto the substrate.
  • the opaque cover layer is arranged on the rear side of the substrate.
  • the opaque cover layer is arranged on the front side of the substrate.
  • the first layer is arranged directly on the light-absorbing cover layer.
  • the opaque cover layer is arranged on the rear side of the substrate.
  • the opaque cover layer is opaque.
  • the first layer is arranged on the rear side of the substrate.
  • the first layer is arranged on the front side of the substrate.
  • the first layer has a layer thickness between 2 nm and 300 nm.
  • the pressure of the vacuum chamber is less than IO 2 mBar, preferably less than ICD mBar. It can preferably be provided that the method also includes the following step:
  • the second layer is largely free of body colors, with a body color being a color that can be recognized by at least partial absorption of spectra of visible light, the extent of the absorption of the color components red, green and blue being unequal, wherein the second layer is designed in such a way that the color composition of the light reflected by the motor vehicle design element is manipulated by interference of at least one spectral component of the light.
  • the expression "largely free” means that the color effect is mainly caused by the interference and not by the absorption of spectral components in the material, i.e. the degree of absorption for visible light within the frequency spectrum (400 nm to 800 nm wavelength) of visible light, e.g. less than 30 % fluctuates.
  • the second layer is applied by sputtering, with titanium being provided by a sputtering target, for example, which reacts with oxygen as the reactive gas introduced into the sputtering process and thus forms a titanium dioxide layer on the first layer, with default the coating rate and / or the duration of the coating process, the layer thickness of the second layer is specified.
  • a combination of titanium (knocked out of the sputtering target) and oxygen (as reactive gas) can produce a large number of (interference) colors (blue, gold, violet, green, yellow), the actual color depending on the thickness of the coating .
  • Exemplary "recipes" for an entire coating structure can be as follows:
  • a suitable sputtering target that enables the application of a metallic layer
  • the metal of the metallic layer can be selected from the following list: ⁇ Titanium, chromium, silicon, aluminum, stainless steel, copper, zirconium ⁇ .
  • a base layer e.g. HMDSO using PECVD
  • the so-called first layer follows, consisting of one of the metals mentioned or mixtures thereof with the omission of a reactive gas. This is followed by a second shift using a reactive gas, such as oxygen.
  • a metal ceramic is created by the chemical reaction of the metal with the reactive gas.
  • metal-ceramics usually have distinctly different properties than pure metals, such as high hardness, high chemical resistance and significantly different optical properties (e.g. transparency) - which enable color to be generated via interference. Due to the small layer thickness, the properties of these metal ceramics are not necessarily to be regarded as the same as the properties of the same material as bulk material (titanium dioxide, for example, is no longer transparent in higher thicknesses, but a white powder - white pigment).
  • the sputtering target preferably remains changed, ie the same starting metal can be used as in the first layer.
  • the protective layer already mentioned can optionally be applied.
  • the first layer and the second layer are selected in such a way that at least partial light permeability is ensured for light that propagates from the rear side to the front side through the substrate and the layers.
  • the second layer consists of the same starting material as the first layer.
  • the second coloring layer is applied with the addition of a reactive gas during the sputtering process.
  • a reactive gas in addition to the inert gas (e.g. argon) required for sputtering, a further gas (or a gas mixture) is provided in the sputtering chamber, which reacts with the material knocked out of the target and thus changes the deposited layer (
  • titanium detached from a sputtering target can react with oxygen to form titanium dioxide and thus form a titanium dioxide layer on the substrate or the first layer.
  • Such layers can have a significantly changed property spectrum due to the chemical change based on the reaction with the reaction gas (e.g. metal can suddenly take on ceramic or glass-like properties).
  • Any gas that can be used as a reactive gas is can react with the metal. Usually, however, oxygen, nitrogen or carbon-containing gases (CO or acetylene or methane) or mixtures thereof are used.
  • a semitransparent effect mirror layer is arranged after the first layer for partially reflecting light rays back to the first layer or optionally a second layer, this effect mirror layer is arranged from the first layer at a distance of at least 1mm, with light-permeable material being arranged between the effect mirror layer and the first layer so that light rays passing through the first layer from the rear towards the front side of the substrate can be reflected between the first layer and the effect mirror layer and can be radiated to the outside through the effect mirror layer.
  • graphic symbols can be impressively displayed.
  • the “mask” - that is, the opening that determines the image - is introduced directly into the lower opaque layer (which can be designed as a completely reflective (non-semitransparent) metal layer, for example).
  • the mask can be designed as an opening in an opaque layer which is attached behind the completely continuous first semitransparent metal layer LI.
  • the layer sequence in this aspect of the present invention is as follows: opaque (optionally absorbing) layer LD / substrate 1 / semitransparent metal layer LI (LI and 1 can also be interchanged under certain circumstances) / optional coloring layer L2 (this can be applied directly to LI) / translucent material V / semi-transparent effect mirror layer L3 / optional coating CL. So that a metal layer is semitransparent, layer thicknesses in the range of a few nm (penetration depth) can be provided. A large number of metals can be used as the material, such as Al, Au, Ag, Cu, Cr, etc.
  • EP 0256635 A2 describes the opening in the diaphragm
  • EP 0256635 is designed as a "pinhole" which is as small as possible, which is used to align a measuring instrument.
  • the subject of the present invention is the rendering of a graphic symbol, and nothing with the alignment of measuring instruments.
  • the effect mirror layer has a degree of reflection of at least 50% with respect to light which impinges from the front side in the direction of the rear side of the substrate.
  • the effect mirror layer has a transmittance of at least 50% with respect to light which enters the effect mirror layer from the front side in the direction of the rear side of the substrate.
  • the first layer and the effect mirror layer are inclined to one another at least in sections in order to change the angle of the light rays reflected between these layers. This results in a visual change, in particular a distortion, of the mirror images.
  • the PVD process according to step B) is designed as a sputtering process.
  • step C) takes place with the omission of a reactive gas during the sputtering process.
  • the temperature in steps B) and C) is below 100.degree. C., preferably below 70.degree. C., particularly preferably below 60.degree. This is how it is The method according to the invention can in principle also be applied to substrates which have a lower temperature resistance.
  • step D) takes place by sputtering with the addition of a reactive gas, in particular oxygen.
  • the second layer is obtained by providing titanium by a sputtering target which reacts with oxygen as a reactive gas introduced into the sputtering process and thus forms a titanium dioxide layer on the first layer, with the coating rate and / or The thickness of the second layer is specified for the duration of the coating process.
  • the PVD process according to step B) is designed as a thermal evaporation process.
  • PVD processes are e.g. electron beam evaporation, laser beam evaporation, arc evaporation (arcen).
  • the first layer comprises aluminum.
  • This first layer can be applied, for example, by a non-reactive sputtering process.
  • Aluminum has a reflectance that can be precisely defined as a function of the layer thickness and is therefore particularly suitable for use as the first layer.
  • Non-reactive sputtering process which is suitable for applying the first layer, should be mentioned as an example: Argon gas is let into the vacuum chamber (up to the desired pressure range, e.g. lxlCHmbar), the target (cathode) is energized - the anode is usually supplied by the Chamber wall or the devices shown, through the voltage the argon ionizes (to Ar +) and is accelerated towards the cathode (negatively charged), through the (mechanical) impact of the argon ions, the impulse is transmitted to the atoms of the target - is sufficient If energy is present, some of the target atoms dissolve and fly into space.
  • Argon gas is let into the vacuum chamber (up to the desired pressure range, e.g. lxlCHmbar)
  • the target (cathode) is energized - the anode is usually supplied by the Chamber wall or the devices shown, through the voltage the argon ionizes (to Ar +) and is accelerated towards the ca
  • the distance of the atomized atoms is so high that they can reach the substrate and condense there.
  • the basic material for the applied layers is present as a target in the sputtering process (usually metals, but it can also be ceramics).
  • the first and optionally a second layer are formed in such a way that light incident on the layers from the front side in the direction of the rear side of the substrate is reflected in such a way that the at least one opening provided in the light-absorbing cover layer if there is no backlighting is not visible to the human eye.
  • the expression backlighting is understood to mean an arrangement in which light originating from an active light source provided for this purpose is emitted through the rear side in the direction of the front side through the opening to the front.
  • a protective layer is applied by means of plasma polymerization over the first layer, or optionally over a second layer covering the first layer, this protective layer being in particular a layer consisting of polyhexamethyldisiloxane.
  • the protective layer is designed in such a way that the color composition of the light reflected by the motor vehicle design element is manipulated by interference of at least one spectral component of the light.
  • this protective layer is at least partially transparent.
  • the protective layer also increases the water vapor resistance and the mechanical resistance of the coating.
  • a primer layer is applied to the substrate before a first layer is applied in accordance with step C).
  • It can be the same material as that which can already be used as a protective layer, e.g. a layer that is applied by means of plasma polymerisation (PECVD), this protective layer being in particular a layer consisting of hexamethyldisiloxane (HMDSO) can act.
  • PECVD plasma polymerisation
  • HMDSO hexamethyldisiloxane
  • the substrate consists of a plastic, preferably consisting of polycarbonate, polyester amide, polyetherimide, ABS, engineering thermoplastics or thermosetting plastic.
  • Polyetherimide has a certain inherent color that can be used in a targeted manner under certain circumstances - or it can otherwise be disruptive.
  • the substrate consists of glass.
  • the side of the substrate to be coated with the first layer has a surface design that is smooth in at least one section and rough or structured in at least one other section.
  • a rough surface can, for example, be designed as a metallic brushed-looking surface, whereby, in contrast to a conventional coating by means of lacquers, the coating structure according to the invention is sufficiently thin to continue to represent the roughness of the surface in a practically changed manner.
  • Lacquer coatings on the other hand, "blur" on the surface to be coated and, due to the higher layer thickness required for lacquers, cover such rough or structured surfaces an injection molding process, whereby the substrate can be a plastic, for example. Due to unevenness in the surface, e.g.
  • the surface of each substrate has a minimum of unevenness are also described in the VDI standard 3400), ie unevenness in the surface.
  • Negative forms of these grains can be deliberately introduced into the injection molding tool used for the production of the panel element using appropriate processes such as laser cutting / etching / stamping n and are correspondingly formed on the surface of the cast substrate of the screen element.
  • smooth substrates of panel elements can be provided with such grains directly in a post-processing process, the aforementioned methods, that is to say lasering / etching / stamping, can also be used.
  • the extent of these unevenness can be measured using a technical variable, namely the so-called mean roughness value Ra.
  • the mean roughness value Ra indicates the mean distance of a measuring point - on the surface - to the center line.
  • the center line intersects the real profile within the reference section in such a way that the sum of the profile deviations in a plane parallel to the center line is distributed over the length of the measuring section.
  • the term "average rough value” is a generally recognized technical term that is regularly used in the literature and is therefore known to the person skilled in the art.
  • the invention also relates to a method for producing a display or signal element for a motor vehicle headlight, comprising a motor vehicle design element produced according to a method according to the invention, and at least one light source, the light source being designed to transmit light through the at least one rear side of the substrate and through the To radiate the front side of the substrate to the outside and to shine through the semitransparent first layer.
  • the light source is a control associated ungs V orcardi, which is adapted to change the light source for predetermined time periods on and off, and thus the visual appearance of the display or signal-element between at least two states. In this way, it is possible to differentiate, for example, between a “cold design” and a “warm design”.
  • the invention further relates to a motor vehicle design element, in particular produced by a method according to the invention, the motor vehicle design element comprising a dimensionally stable substrate, a metallic, semitransparent first layer also being arranged on the substrate.
  • a light-absorbing cover layer is arranged on a front or rear side of the dimensionally stable substrate, the opaque cover layer containing at least one transparent opening for displaying at least one graphic symbol, the cover layer of the metallic semitransparent first layer in one direction starting from the rear side to the front side of the substrate is upstream in such a way that light penetrating from the rear side in the direction of the front side of the substrate through the at least one opening of the opaque cover layer to project the through the at least one opening represented at least one graphic symbol strikes the metallic semitransparent first layer and the metallic semitransparent first layer at least partially penetrates to the outside. When passing through the metallic layer, the light can be scattered.
  • no opening need be provided.
  • the entire visible surface of the design element can be illuminated.
  • surface designs such as carbon optics or colored motifs can be created.
  • the light color of the light source can also cause a significant change in the appearance. Different sputtering materials influence the color of the penetrating light.
  • the invention further relates to a display or signal element produced by a method according to the invention, comprising a light source which is set up to transmit light from the rear side of the substrate through the front side of the substrate and through the at least one opening in the cover layer onto the first layer and through it to radiate through at least partially.
  • the light source is a controllable light source, in particular an RGB light source, the light intensity and / or light color of the controllable light source being changeable over time.
  • the light source, the at least one opening and the first layer are designed in such a way that, when illuminated by the light source, an intermittent orange-colored direction indicator signal can be emitted to the outside.
  • the invention further relates to a vehicle headlight comprising a motor vehicle design element according to the invention and / or a display or signal element according to the invention.
  • a vehicle headlight comprising a motor vehicle design element according to the invention and / or a display or signal element according to the invention.
  • the use of such a design element within a vehicle headlight has the advantage that the design element is efficiently protected from environmental influences to a large extent in this way.
  • the invention further relates to a motor vehicle comprising a motor vehicle design element according to the invention and / or a display or signal element according to the invention and / or a vehicle headlight according to the invention.
  • control device connected to the at least one sensor and the display or signal element for controlling the light source of the display or signal element, the control device being configured to use the light source as a function of persons detected in the vehicle environment by means of the at least one sensor of the display or signal element for visual signal transmission to the detected person.
  • the motor vehicle has a plurality of sensors and a plurality of display or signal elements, each sensor being assigned a display or signal element, the control device being set up to start a checking routine of the sensors as a function of a start signal, with In the course of the checking routine, a tour around the vehicle by a person walking around the vehicle is recorded by means of the sensors, with display and / or signal elements facing the person according to a predeterminable pattern depending on a result of the sensor check between at least two optical states, in particular an active and a passive state, are switched so that the functional state of the sensors can be visually communicated to the person checking the vehicle.
  • the devices mentioned according to the invention can be implemented in any part of a vehicle.
  • door handles, tank lids, the inner frame area, parts of the vehicle body, etc. can come into consideration.
  • a display of the battery status of an electric vehicle, a daytime running light function or a visualization of temperature, for example in ventilation opening design elements, could be provided as a function. All of the above-mentioned process according to the invention
  • the invention further relates to a
  • FIG. 1 shows a schematic representation of a sputtering process by means of which the layers can be produced on a substrate in accordance with the method according to the invention
  • Figure 2 is a schematic representation of a substrate
  • Figure 3 is a schematic representation of the substrate comprising a
  • FIG. 4 shows a schematic representation of the substrate comprising a primer layer and a first layer according to the invention
  • Figure 5 is a schematic representation of the substrate comprising a
  • Primer layer a first layer and a second layer according to the invention
  • Figure 6 is a schematic representation of the substrate comprising a
  • Primer layer a first layer, a second layer and a protective layer or an effect mirror layer according to the invention
  • FIGS 7a and 7b a schematic representation of a display element according to the invention, comprising an opaque cover layer, in a passive or an active operating state,
  • FIG. 8 shows an exemplary method for designing an opening in a light-absorbing cover layer
  • FIGS. 9a and 9b show alternative configurations of a display element according to the invention in a passive or an active operating state
  • FIGS. 10a and 10b show further alternative configurations of a display element according to the invention in a passive or an active operating state
  • FIG. 11 shows a variant of a display element according to the invention comprising an effect mirror layer
  • FIGS. 12a and 12b show exemplary effects of an inclination of the effect mirror layer of a display element in the sense of FIG. 11,
  • FIG. 13 a motor vehicle headlight according to the invention
  • FIGS. 14a and 14b show a motor vehicle comprising exemplary signal elements according to the invention in a passive or an active operating state
  • FIGS. 15a and 15b show a signal element according to the invention in the form of a flashing light integrated in a rearview mirror
  • FIG. 16 shows an exemplary motor vehicle comprising a number of signal elements according to the invention for use in a checking routine.
  • FIG. 1 shows a schematic representation of a sputtering process by means of which the layers can be produced on a substrate 1 in accordance with the method according to the invention.
  • This method is suitable for producing an opaque motor vehicle design element 3 (see FIGS. 4, 5 and 6) and comprises the following steps: A drawing on a dimensionally stable, at least partially translucent substrate 1 which is heat-resistant to a temperature of at least 60 ° C., the substrate 1 having a front side and a rear side,
  • the PVD process according to step B is preferably designed as a sputtering process.
  • different variants are shown according to which layers can be applied to the substrate 1.
  • argon gas 4 is admitted into the vacuum chamber 2 (up to the desired pressure range, for example 1 ⁇ 1 cmbar), a target 5 being placed under tension with respect to, for example, the chamber wall 6.
  • argon ionizes (to Ar +) and is accelerated towards the cathode 5 (negatively charged).
  • the impulse is transferred to the atoms of the target - if there is sufficient energy, some of the target atoms will dissolve and fly into space; if the pressure in chamber 2 is sufficiently low, the flight distance of the atomized atoms is so high that they can reach the substrate 1 and condense there.
  • the base material for the applied layers is present as target 5 in the sputtering process (usually metals, but this can also be ceramics). Two different possibilities are sketched as target 5 in FIG. 1 - for example, the target could consist of aluminum or also of titanium. Aluminum is very well suited for producing the already mentioned first layer LI. When generating the first layer LI, the presence of a reactive gas is dispensed with.
  • the aluminum condenses in its pure form on the target.
  • an alternative scenario is also shown, namely one in which, for example, a titanium target is used and the knocked-out titanium material or the titanium atoms react with a reactive gas 7 - in this case oxygen - to form titanium dioxide and condense on the substrate 1.
  • a second layer L2 (see FIGS. 5 and 6) can be produced.
  • the first layer LI is first applied in a non-reactive sputtering process, and then, after the introduction of a reactive gas, the second layer L2 is applied over the first layer LI.
  • the first layer LI and - if present - the second layer are selected in terms of their composition and layer thickness such that they are at least partially transparent to light that penetrates through the substrate 1 from the rear side 1b of the substrate 1 to the front side 1b .
  • FIG. 2 shows a schematic representation of a substrate 1, for example in the form of plastic, in particular polycarbonate, polyester amide, polyether imide, ABS, engineering thermoplastics or thermosetting plastic.
  • the substrate 1 could also consist of glass.
  • Figure 3 shows a schematic representation of the substrate 1 including a
  • Primer layer BL (base layer), which can optionally be provided and can serve to optimally prepare the substrate 1 for the subsequent coating processes.
  • Figure 4 shows a schematic representation of the substrate 1 including the
  • FIG. 5 shows a schematic representation of the substrate 1 comprising a primer layer BL, the first layer LI and the second layer L2 according to the invention.
  • FIG. 5 shows the aforementioned light beams LSI and LS2 which are superimposed on one another, the color of the light reflected by the design element 3 being able to be influenced by the superimposition. The influence of the color depends on the selection of the layer materials as well as the layer thicknesses dl and d2.
  • the application and configuration of the first layer LI in accordance with step C can take place with the omission of a reactive gas during the sputtering process.
  • the temperature in steps B and C can be less than 100.degree. C., preferably less than 70.degree. C., particularly preferably less than 60.degree.
  • the application of the second coloring layer L2 in accordance with step D can be carried out by sputtering with the addition of a reactive gas, in particular oxygen.
  • a second layer L2 can be obtained in that titanium is made available by a sputtering target, which reacts with oxygen as the reactive gas introduced into the sputtering process and thus forms a titanium dioxide layer on the first layer LI, with the coating rate and / or the duration being specified of the coating process, the layer thickness of the second layer L2 is specified.
  • FIG. 6 shows a schematic representation of the substrate 1 comprising the primer layer BL, the first layer LI, the second layer L2 and a protective layer CL (coat layer) or an effect mirror layer L3 according to the invention.
  • the protective layer CL is applied by means of plasma polymerization, it being possible for this protective layer CL to be, in particular, a layer consisting of hexamethyldisiloxane.
  • This protective layer CL is transparent, but, depending on the layer thickness d3, plays a significant role in the coloring, since light LS3 is also reflected through this layer at the interface with the surrounding medium (e.g. air), and this is reflected with the reflected light beams LSI and LS2 superimposed.
  • the provision of the protective layer CL changes the reflection behavior of the second layer L2 and thus of the light rays LS2, insofar as the protective layer CL has a relative permittivity that differs from that of air.
  • the protective layer CL can thus be designed in such a way that the color composition of the light reflected by the motor vehicle design element 3 is manipulated by destructive interference of at least one spectral component of the light.
  • the effect mirror layer can in principle be constructed in the same way as the first layer LI. It can therefore consist of the same material.
  • a motor vehicle design element 3 is shown, which is produced by the method according to the invention, wherein the motor vehicle design element 3 comprises the dimensionally stable substrate 1, on which a coloring first metallically reflective layer LI is applied, this layer LI either being formed in this way that a semitransparent layer with a layer thickness of at least 2 nm is achieved, or a second coloring layer L2 is provided, which covers the first layer LI, the second layer L2 is at least partially translucent, and is formed in such a way that the design element 3 incident light is at least partially manipulated by interference in that the light beams LSI, which are reflected from the surface of the first layer LI, are superimposed on the light beams LS2, which are reflected from the surface of the second layer L2.
  • the second layer L2 can be largely free of body colors, a body color being a color that is recognizable by at least partial absorption of spectra of visible light, the extent of the absorption of the color components red, green and blue being unequal, the second layer L2 is designed in such a way that the color composition of the light reflected by the motor vehicle design element 3 is manipulated by interference of at least one spectral component of the light.
  • the first layer LI is designed in such a way that the first layer LI reflects light which occurs from the front side la in the direction of the rear side lb of the substrate 1 onto the first layer LI.
  • a light source 9 is also shown, from which light beams LSQ are emitted through the substrate 1 from the rear side la to the front side lb and through the subsequent layers.
  • an effect mirror layer L3 can be provided between the first layer LI and the second layer L2 (or the protective layer CL), the optical effect of which can also be seen in conjunction with FIGS. 11 and 12a and 12b will be discussed in more detail.
  • the effect mirror layer L3 enables a partial reflection of the light rays passing from the rear side 1b in the direction of the front side la through the first layer LI towards the first layer. Exemplary reflected light beams LSQR are shown in FIG.
  • FIG. 6 shows that a protective layer CL can be applied by means of plasma polymerisation over the first layer LI, or optionally over a second layer L2 covering the first layer LI, this protective layer being in particular one layer from hexamethyldisiloxane.
  • the protective layer CL can be designed in such a way that the color composition of the light reflected by the motor vehicle design element 3 is manipulated by interference of at least one spectral component of the light.
  • a primer layer BL can also be applied to the substrate 1.
  • a motor vehicle design element 3 in which, according to FIGS. 7a and 7b, a light-absorbing cover layer LD is arranged on a front or rear side la, lb of the dimensionally stable substrate 1, with at least one light-permeable opening 8 for imaging in the opaque cover layer LD at least one graphic symbol SYM is included, the cover layer LD of the metallic semitransparent first layer LI in front in a direction starting from the rear side lb to the front side la of the substrate 1 in such a way that from the rear side lb in the direction of the front side la of the substrate 1 through the Light passing through at least one opening 8 of the opaque cover layer LD for projecting the at least one graphic symbol SYM represented by the at least one opening 8 onto the metallic one semitransparent first layer LI strikes and the metallic semitransparent first layer LI at least partially penetrates to the outside.
  • FIGS. 7a and 7b show a schematic representation of a display element 10a according to the invention, comprising an opaque cover layer LD, in a passive or an active operating state. More precisely, FIG. 7a shows the display element 10a in a passive state - also referred to as the cold state - in which a light source 9 set up to illuminate the opening 8 in the cover layer LD is switched off. In FIG. 7b, however, this light source 9 is switched on, that is to say in an active state - also referred to as the warm state - as a result of which the symbol SYM is projected towards the front of the display element 10a. In the warm state, the SYM symbol is therefore visible for a viewing direction starting from the front.
  • a display element - which can also be used as a design element - or displayed in certain situations.
  • a company logo is displayed - in this case the logo of the company "ZKW".
  • technical symbols such as markings on a tank cap, warning notices, technical information, etc. can also be projected .
  • a light-absorbing cover layer LD can be applied to the front la or the rear lb of the substrate 1, with the opaque cover layer LD containing at least one light-permeable opening 8 for displaying at least one graphic symbol SYM.
  • the method steps B and C are carried out in such a way that from the rear side lb in the direction of the front side la of the substrate 1 through the at least one opening 8 of the opaque cover layer LD light LSQ to project the at least one graphic symbol SYM represented through the at least one opening 8 the first metallic semitransparent layer LI strikes and the first metallic semitransparent layer LI at least partially penetrates to the outside.
  • the opaque cover layer LD can be applied by means of a PVD process, it being possible for the at least one transparent opening 8 to be exposed by lasers.
  • the opaque cover layer LD can alternatively also be designed in the form of a film.
  • the opaque cover layer LD can be arranged on the rear side 1b of the substrate 1. As an alternative to this, the opaque cover layer LD can be arranged on the front side 1b of the substrate 1, if this is followed by the further layers LI etc. on the front side 1b.
  • the first layer LI can be arranged directly on the light-absorbing cover layer LD.
  • the opaque cover layer LD can be completely opaque.
  • the display or signal element 10a, 10b can be obtained by the described method according to the invention and comprises a light source 9, which is set up to transmit light from the rear side 1b of the substrate 1 through the front side 1 a of the substrate 1 and through the at least one opening 8 of the cover layer LD onto the first layer LI and at least partially radiate through it.
  • the light source 9 is preferably a controllable light source, in particular an RGB light source, the light intensity and / or light color of the controllable light source 9 being changeable over time.
  • the light source 9 and the at least one opening 8 and the first layer LI are designed in such a way that with intermittent lighting by the light source 9, an intermittent orange-colored direction indicator signal can be emitted to the outside.
  • FIG. 8 shows an exemplary method for designing an opening 8 in a light-absorbing cover layer LD.
  • This opening 8 is exposed by lasers in the present example.
  • foils that enclose a light-permeable opening could also be glued.
  • FIGS. 9a and 9b show alternative configurations of a display element 10b according to the invention in a passive or an active operating state.
  • both the cover layer LD and the first layer LI are arranged on the rear side 1b of the substrate.
  • the first layer LI could also be arranged on the front side 1 a of the substrate 1.
  • the first layer LI has a layer thickness dl between 2 nm and 300 nm. It is chosen so low that the semitransparent function of this layer is ensured.
  • the light source 9 is assigned a control device 13 (see FIGS. 9a, 9b and 11) which is set up to switch the light source 9 on and off for predefinable periods of time To switch off, and thereby to change the visual appearance of the display or signal element 10a, 10b between at least two states.
  • FIGS. 10a and 10b show a further alternative embodiment of a display element 10a according to the invention in a passive (FIG. 10a) or an active operating state (FIG. 10b).
  • the first layer F1 and optionally a second layer F2 are designed in such a way that spruce striking the layers from the front side la in the direction of the rear side lb of the substrate 1 is reflected in such a way that the light-absorbing cover layer FD provided at least one opening 8 is not visible to the human eye in the absence of backlighting.
  • a display 10a or signal element 10b can be produced by comprising a motor vehicle design element 3 according to the invention and at least one spruce source 9, the spruce source 9 being set up to spruce through the at least one rear side lb of the substrate 1 and through the front side lb of the substrate 1 to radiate to the outside and to shine through the semitransparent first layer Fl.
  • FIG. 11 shows a variant of a display element 10b according to the invention comprising an effect mirror layer F3.
  • an effect mirror layer F3 for partially reflecting spruce rays FSQR back to the first layer F1 is arranged, this effect mirror layer F3 being different from the first Layer Fl is arranged at a distance of at least 1mm, with light-permeable material G (can be the same material as, for example, the material of substrate 1) arranged between the effect mirror layer and the first layer, so that the first layer Fl from the rear side lb in the direction Spruce rays passing through the front side 1a of the substrate 1 can be reflected between the first layer F1 and the effect mirror layer F3 and can be emitted to the outside through the effect mirror layer F3.
  • the effect mirror layer F3 and the first layer are oriented parallel to one another as shown in FIG. 11, a large number of projections or reflections of the
  • the effect mirror layer F3 with respect to spruce, which strikes from the front side 1 a in the direction of the rear side 1 b of the substrate 1, has a degree of reflection in Has a height of at least 70%. It can also be provided that the effect mirror layer L3 has a transmittance of at least 80% with respect to light which enters the effect mirror layer L3 from the front side la in the direction of the rear side lb of the substrate 1.
  • FIGS. 12a and 12b show exemplary effects of an inclination of the effect mirror layer LD of a display element 10a.
  • the first layer LI and the effect mirror layer L3 are inclined to one another at least in sections, so that the angles of the reflected light beams LSQR are changed starting from the incident light beam LSQ with the angle oti to the reflected light beams LSQR1 to LSQR3 with the associated angles ot2 and ot3.
  • the reflections can be distorted and offset - depending on the different inclination of the layers to one another.
  • FIG. 12b shows exemplary reflections that appear hologram-like.
  • FIG. 13 shows a motor vehicle headlight 11 according to the invention comprising two motor vehicle design elements 3, each of which can be recognized by means of a projection of the ZKW logo in the motor vehicle headlight 11. This projection can be switched on and off by switching a light source (not shown) on and off and thus made visible and invisible.
  • FIGS. 14a and 14b show a motor vehicle comprising exemplary signal elements 10b according to the invention in a passive or an active operating state.
  • the signal element can be designed in the form of a decorative strip which surrounds the window panes and which appears in the passive operating state, for example chrome colors, and in the active operating state, for example, assume a light color - for example white, red, green, blue or mixtures thereof.
  • the color in the active state depends on the configuration of the design element 3 and on the color of the light source 9. It is also possible to use multicolored light sources 9 which are set up to emit different light colors and which can be controlled in terms of their color and / or intensity.
  • FIGS. 15a and 15b show a signal element 10b according to the invention in the form of a flashing light integrated in a rearview mirror, FIG. 15a showing the cold state and FIG. 15b showing the warm state.
  • FIG. 16 shows an exemplary motor vehicle 12 comprising a number of signal elements 10b according to the invention for use in a checking routine.
  • the motor vehicle 12 comprises vehicle headlights 11 comprising a motor vehicle design element 3 according to the invention and / or a display 10a or signal element 10b according to the invention.
  • the motor vehicle includes various signal elements 10b and / or a vehicle headlight 11.
  • the motor vehicle 12 has at least one sensor 14 (see FIG. 16, for example arranged in the middle of the vehicle 1; however, in practice, a large number of sensors are typically used to encompass the vehicle environment, which are distributed along the vehicle and, for example, also in the Radiator grille, the front of the vehicle or can also be integrated into the vehicle headlight) for detecting the vehicle surroundings 15, at least one display or signal element 10a, 10b and at least one control device 13 connected to the at least one sensor 14 and the display or signal element 10a, 10b for controlling the light source 9 of the display or signal element 10a, 10b.
  • the control device 13 is set up to control the light source 9 of the display or signal element 10a, 10b for visual signal transmission Sig to the detected person 16 as a function of persons 16 detected in the vehicle environment 15 by means of the at least one sensor 14.
  • the motor vehicle 12 more sensors 14 and a plurality of display or signal elements 10a, 10b, each sensor 14 is associated with a display or signal element 10a, 10b, wherein the control V orcardi is adapted 13 to a function of a starting signal " Start ", which can be sent via a vehicle key 17, for example, to start a checking routine of the sensors 14, with a tour around the vehicle 12 being recorded by a person 16 walking around the vehicle 12 by means of the sensors 14 in the course of the checking routine, with the display and / or signal elements 10a, 10b, which face the person 16, according to a predeterminable pattern as a function of a result of the sensor check between at least two optical states, in particular one Active and a passive state, so that the functional state of the sensors 14 can be visually communicated to
  • the tour 16 shows a situation in which a person 16 is taking a tour around a vehicle 12 equipped with sensors 14, for example an autonomous vehicle.
  • the functionality of the sensors 14 is of great importance.
  • the tour may usammenze such a check sequence Z that each sensor for example a display or signal element is assigned to at least 10a or 10b. If a sensor does not recognize the person 16, although it should recognize them in this situation (this information can be ascertained, for example, by comparison with the other sensors), an error signal can be output. If, on the other hand, all sensors are functional, the display or signal element 10a or 10b facing the person walking can gradually be illuminated, for example in the color green, with a green glowing around the vehicle at the end of the tour, for example The ring lights up, indicating that the sensors are working properly. In this way, a function check of the sensor system - for example legally prescribed - can be carried out in an intuitive and simple manner while the vehicle is at a standstill.

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Abstract

La présente invention concerne un procédé de production d'un élément de conception de véhicule automobile semi-transparent (3) comprenant les étapes suivantes : A) l'utilisation d'un substrat à stabilité dimensionnelle, au moins partiellement transparent à la lumière (1), qui est résistant à la chaleur à une température à un niveau d'au moins 60 °C, le substrat (1) présentant un côté avant (1a) et un côté arrière (1b), B) l'introduction du substrat (1) dans une chambre à vide (2) et, au moyen d'un processus de dépôt physique en phase vapeur, l'application d'une première couche semi-transparente métallique (L1) sur le substrat (1) qui, selon l'étape A), est dans la chambre à vide (2), et C) l'application d'une couche externe non transparente à la lumière (LD) vers le côté avant ou arrière (1a, 1b) du substrat (1), la couche externe non transparente à la lumière (LD) contenant au moins une ouverture laissant passer la lumière (8) destinée à produire une image d'au moins un symbole graphique (SYM), les étapes B et C étant réalisées de sorte que la lumière (LSQ) passant à partir du côté arrière (1b) dans la direction du côté avant (1a) du substrat (1) à travers l'au moins une ouverture (8) dans la couche externe non transparente à la lumière (LD) est incidente sur la première couche semi-transparente métallique (L1) pour projeter l'au moins un symbole graphique (SYM) représenté par l'au moins une ouverture (8), et pénètre au moins partiellement à travers la première couche semi-transparente métallique (L1) vers l'extérieur.
EP20764399.0A 2019-09-04 2020-09-03 Procédé de production d'un élément de conception de véhicule automobile semi-transparent Pending EP4025458A1 (fr)

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PCT/EP2019/073608 WO2021043397A1 (fr) 2019-09-04 2019-09-04 Procédé de production d'un élément de conception de véhicule automobile semi-transparent
PCT/EP2020/074638 WO2021043922A1 (fr) 2019-09-04 2020-09-03 Procédé de production d'un élément de conception de véhicule automobile semi-transparent

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US (1) US20220333755A1 (fr)
EP (1) EP4025458A1 (fr)
KR (1) KR102642973B1 (fr)
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WO (2) WO2021043397A1 (fr)

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FR3129625B1 (fr) * 2021-12-01 2023-10-27 Cie Plastic Omnium Se Procédé de fabrication d’une pièce de véhicule translucide ou transparente
DE102021134620A1 (de) * 2021-12-23 2023-06-29 Motherson Innovations Company Limited Fahrzeuggestaltungselement mit einer lichtanordnung

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US20220333755A1 (en) 2022-10-20
KR102642973B1 (ko) 2024-03-05
WO2021043397A1 (fr) 2021-03-11
CN114341394A (zh) 2022-04-12
KR20220042439A (ko) 2022-04-05
CN114341394B (zh) 2024-04-26

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