Indicating or lighting device with a screen or covering having a diffusive or reflective focus

An indicating or lighting device for a motor vehicle, said device comprising a casing inside which there are arranged at least one main light source, at least one reflector associated with the main light source(s), at least one intermediate screen that is substantially transparent and lies opposite said main light source or at least one of said main light sources, and an outer lens for the casing, wherein a face of the outer lens or of the intermediate screen is provided with a plurality of foci for diffusing light by means of surface alterations of said face,

• wherein the surface alterations of the face of the outer lens or of the intermediate screen are in the form of hollows with respect to the otherwise essentially smooth surface of said face, and
• wherein the hollows have a maximum depth of between 0.001 and 2 mm, in particular between 0.01 and 1 mm, or of around ten or several tens of microns.

An indicating or lighting device for a motor vehicle, said device comprising a casing inside which there are arranged at least one main light source, at least one reflector associated with the main light source(s), at least one intermediate screen that is substantially transparent and lies opposite said main light source or at least one of said main light sources, and an outer lens for the casing, wherein a face of the outer lens or of the intermediate screen is provided with a plurality of foci for diffusing light by means of surface alterations of said face,

• wherein the surface alterations of the face of the outer lens or of the intermediate screen are in the form of hollows with respect to the otherwise essentially smooth surface of said face, and
• wherein the hollows have walls that are at least partially diffusive.

An indicating or lighting device for a motor vehicle, said device comprising a casing inside which there are arranged at least one main light source, at least one reflector associated with the main light source(s), at least one intermediate screen that is substantially transparent and lies opposite said main light source or at least one of said main light sources, and an outer lens for the casing, wherein a face of the outer lens or of the intermediate screen is provided with a plurality of foci for diffusing light by means of surface alterations of said face.

• wherein the distribution of the diffusive foci is centred on a zone that corresponds to a primary indicating or lighting function provided by a main light source.

An indicating or lighting device for a motor vehicle, said device comprising a casing inside which there are arranged at least one main light source, at least one reflector associated with the main light source(s), at least one intermediate screen that is substantially transparent and lies opposite said main light source or at least one of said main light sources, and an outer lens for the casing, wherein a face of the outer lens or of the intermediate screen is provided with a plurality of foci for diffusing light by means of surface alterations of said face,

• wherein the outer lens or the intermediate screen, a face of which is provided with a plurality of light-diffusing foci, is associated with one or more secondary light sources capable of emitting light that propagates into the thickness of the outer lens or screen, and
• wherein the perimeter of the outer lens or of the screen, the face of which is provided with light-diffusing foci, is divided into at least one “active” zone which faces at least one secondary light source and at least one “passive” zone without a secondary light source.

An indicating or lighting device for a motor vehicle, said device comprising a casing inside which there are arranged at least one main light source, at least one reflector associated with the main light source(s), at least one intermediate screen that is substantially transparent and lies opposite said main light source or at least one of said main light sources, and an outer lens for the casing, wherein a face of the outer lens or of the intermediate screen is provided with a plurality of foci for diffusing light by means of surface alterations of said face,

• wherein the light-diffusing foci is obtained directly during moulding of the outer lens or of the intermediate screen or by a post-treatment of the laser radiation treatment type.

An indicating or lighting device for a motor vehicle, said device comprising a casing inside which there are arranged at least one main light source, at least one reflector associated with the main light source(s), and an outer lens for the casing, wherein a face of the outer lens is provided with a plurality of foci for diffusing light by means of surface alterations of said face,

• wherein the surface alterations of the face of the outer lens are in the form of hollows with respect to the otherwise essentially smooth surface of said face, and
• wherein the hollows have an apparent surface area of between 0.05 and 5 mm2, in particular between 0.1 and 1 mm2.

An indicating or lighting device for a motor vehicle, said device comprising a casing inside which there are arranged at least one main light source, at least one reflector associated with the main light source(s), and an outer lens for the casing, wherein a face of the outer lens is provided with a plurality of foci for diffusing light by means of surface alterations of said face,

• wherein the surface alterations of the face of the outer lens are in the form of hollows with respect to the otherwise essentially smooth surface of said face, and
• wherein the hollows have a maximum depth of between 0.001 and 2 mm, in particular between 0.01 and 1 mm, or of around ten or several tens of microns.

An indicating or lighting device for a motor vehicle, said device comprising a casing inside which there are arranged at least one main light source, at least one reflector associated with the main light source(s), and an outer lens for the casing, wherein a face of the outer lens is provided with a plurality of foci for diffusing light by means of surface alterations of said face,

• wherein the surface alterations of the face of the outer lens are in the form of hollows with respect to the otherwise essentially smooth surface of said face, and
• wherein the hollows have walls that are at least partially diffusive.

An indicating or lighting device for a motor vehicle, said device comprising a casing inside which there are arranged at least one main light source, at least one reflector associated with the main light source(s), and an outer lens for the casing, wherein a face of the outer lens is provided with a plurality of foci for diffusing light by means of surface alterations of said face,

• wherein the outer lens is associated with one or more secondary light sources capable of emitting light that propagates into the thickness of the outer lens, and
• wherein the perimeter of the outer lens is divided into at least one “active” zone which faces at least one secondary light source and at least one “passive” zone without a secondary light source.

An indicating or lighting device for a motor vehicle, said device comprising a casing inside which there are arranged at least one main light source, at least one reflector associated with the main light source(s), and an outer lens for the casing, wherein a face of the outer lens is provided with a plurality of foci for diffusing light by means of surface alterations of said face,

• wherein the light-diffusing foci is obtained directly during moulding of the outer lens or by a post-treatment of the laser radiation treatment type.

An indicating or lighting device for a motor vehicle, said device comprising a casing inside which there are arranged at least one main light source, at least one reflector associated with the main light source(s), at least one intermediate screen that is substantially transparent and lies opposite said main light source or at least one of said main light sources, and an outer lens for the casing, wherein a face of the outer lens or of the intermediate screen is provided with a plurality of foci for diffusing light by means of surface alterations of said face.

• wherein one or more of the light-diffusing foci create zones that are continually lit up and localized on the screen or the outer lens.

An indicating or lighting device for a motor vehicle, said device comprising a casing inside which there are arranged at least one main light source, at least one reflector associated with the main light source(s), at least one intermediate screen that is substantially transparent and lies opposite said main light source or at least one of said main light sources, and an outer lens for the casing, wherein a face of the outer lens or of the intermediate screen is provided with a plurality of foci for diffusing light by means of surface alterations of said face,

• wherein one or more of the light-diffusing foci appear as localized light sources without interaction with one another.