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    • 3. 发明授权
    • Optical device for motor vehicle headlight
    • US12066160B2
    • 2024-08-20
    • US18128533
    • 2023-03-30
    • ZKW Group GmbH
    • Christian Maier
    • F21S41/33F21S41/125F21S41/24F21W102/20F21W107/10
    • F21S41/337F21S41/125F21S41/24F21W2102/20F21W2107/10
    • An optical device for a motor vehicle headlight for producing continuously closed light distribution. The optical device includes: light sources; collimators which are respectively associated with a light source; and a light guiding body, which has a light shaping structure and is formed from a plurality of interconnected facets. The facets respectively have an inclination to the main emission direction, wherein the spatial vector of a facet forms a horizontal and a vertical angle of inclination to the main emission direction. The inclinations of all facets are distributed such that the horizontal angles of inclination are respectively distributed around an expected value that corresponds to the maximum luminous intensity of the light distribution such that light that enters or leaves the light guiding body via facets that have horizontal and vertical angles of inclination corresponding to the expected value forms the maximum luminous intensity of the light distribution. The light shaping structure forms the light entry side and/or the light exit side of the light guiding body, wherein the facets are distributed substantially homogeneously on the light entry and/or exit sides in relation to their respective inclinations.
    • 10. 发明授权
    • Illumination device for a motor vehicle headlamp
    • US11913618B2
    • 2024-02-27
    • US18034978
    • 2021-10-18
    • ZKW Group GmbH
    • Matthias Kemetmüller
    • F21S41/24F21S41/20
    • F21S41/24F21S41/285
    • Illumination device (1) for a motor vehicle headlight, comprising a first light guide (2), a second light guide (3), an optical device (4) with a first (5a) and second light input surface (6a) and a first (5b) and second light output surface (6b), wherein the light from the first light guide (2) can be injected into the optical device (4), passes through the optical device (4) and can exit via the first light output surface (5b), wherein the light from the second light guide (8) can be injected into the optical device (4), passes through the optical device (4) and can exit via the second light output surface (6b), wherein the first light output surface (5b) is formed from a plurality of first surface elements (7) and the second light output surface (6b) is formed from a plurality of second surface elements (8), wherein the first (7) and second surface elements (8) are arranged alternately with respect to one another in such a way that they form a step-like structure, wherein a first (7) surface element with a subsequent second surface element (8) respectively form a step, wherein the first surface element (7) forms an angle of 45° to 135° with the subsequent second surface element (8).