Vehicle steering wheel lighting device having a compact design and light guide
AssigneeAutoliv Development AB
InventorBoubacar Sagna
Life of this patent
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Abstract
A light bar for a vehicle steering wheel, comprising: a plurality of light sources, such as LEDs, a diffuser arranged to diffuse light coming from the plurality of light sources towards an occupant of the vehicle, a light guide, which is arranged between the plurality of light sources and the diffuser and comprises a common exit surface and a plurality of optical portions each having an entry surface arranged facing each of the light sources, wherein the light guide further comprises a plurality of deflecting surfaces each arranged between each entry surface and the common exit surface so as to generate a change in a main direction of the light.
Claims18
A light bar for a vehicle steering wheel, comprising:
- a plurality of light sources,
- a diffuser arranged to diffuse light coming from the plurality of light sources towards an occupant of the vehicle, and
- a light guide, which is arranged between the plurality of light sources and the diffuser, and comprises a common exit surface for the plurality of light sources and a plurality of optical portions each comprising an entry surface arranged facing each of the light sources, wherein the light guide further comprises a plurality of deflecting surfaces, each arranged between each entry surface and the common exit surface so as to generate a change in a main direction of the light.
A light bar for a vehicle steering wheel, comprising:
- a plurality of light sources;
- a diffuser arranged to diffuse light coming from the plurality of light sources towards a vehicle occupant;
- and
- a light guide positioned between the plurality of light sources and the diffuser, wherein the light guide comprises:
- a common exit surface;
- a plurality of optical portions, wherein each optical portion comprises an entry surface configured to face a light source of the plurality of light sources;
- a plurality of deflecting surfaces, wherein each deflecting surface is positioned between an entry surface and the common exit surface so as to generate a change in a main direction of light;
- and
- one or more dispersive patterns formed on at least one of the plurality of deflecting surfaces.
Dependencies are inferred from the claim text.