ILLUMINATION DEVICE FOR A MOTOR VEHICLE HEADLAMP FOR GENERATING A LIGHT DISTRIBUTION

    公开(公告)号:EP4357667A1

    公开(公告)日:2024-04-24

    申请号:EP22202973.8

    申请日:2022-10-21

    申请人: ZKW Group GmbH

    发明人: Hamar, Martin

    摘要: Illumination device (1) for a motor vehicle headlamp, said illumination device (1) comprises a light source (2) for emitting a light beam with a first vertical extent (v1), an optic body (3) for guiding the light beam, an optical system (5) for projecting the light beam in front of the illumination device (1), wherein the optic body (3) comprises a first pair of optically operative surfaces (6) for guiding the light beam coupled into the optic body (3), wherein the first pair of optically operative surfaces (6) consists of a first and second light deflection surface (6a, 6b), configured to deflect the light beam while travelling through the optic body, wherein the first and second light deflection surfaces (6a, 6b) are configured in such a way, that light rays forming the light beam are essentially parallel to each other and essentially parallel to a main direction (X) after being coupled out of the optic body (3), wherein the outcoupled parallel light beam has a second vertical extent (v2) in the main vertical cross section (v), said second vertical extent (v2) is greater than the first vertical extent (v1).

    LIGHTING FIXTURE
    3.
    发明授权

    公开(公告)号:EP2921904B1

    公开(公告)日:2018-10-24

    申请号:EP15158805.0

    申请日:2015-03-12

    发明人: Toko, Yasuo

    IPC分类号: F21S41/36

    摘要: There is provided a lighting fixture including: a light source that emits a light beam; an electrodeposition device that includes multiple pixels of which a transparent state and a mirror state are switchable, independently, and that is disposed such that a normal direction of a pixel surface is not parallel to an optical axis direction of an incident light beam on an optical path of a light beam emitted from the light source; and an optical system that emits, as an illumination beam, both a light beam transmitted through the electrodeposition device and a light beam reflected from the pixel in the mirror state in the electrodeposition device.

    Vehicular lamp
    7.
    发明公开
    Vehicular lamp 审中-公开

    公开(公告)号:EP2706287A3

    公开(公告)日:2018-03-28

    申请号:EP13183266.9

    申请日:2013-09-06

    IPC分类号: F21S8/10

    摘要: A vehicular lamp includes a projection lens, a two-dimensional image forming device (10) located on or in the vicinity of a rear focal point of the projection lens, and including a plurality optical elements (12) which are arranged in a matrix shape and individually driven and a projection plane that is formed by the plurality optical elements, a light source (4) configured to irradiate the projection plane of the two-dimensional image forming device with light, and a dimming part (15) provided between the optical elements and the projection lens and configured to reduce light directed to the projection lens from the optical elements arranged on an end portion of the projection plane.

    Vehicular headlamp
    10.
    发明公开
    Vehicular headlamp 审中-公开

    公开(公告)号:EP2796773A3

    公开(公告)日:2018-01-03

    申请号:EP14165355.0

    申请日:2014-04-22

    发明人: Yagi, Takayuki

    IPC分类号: F21S8/10

    摘要: In a plurality of light source units (20A, 20BL, 20BR), which are of a projector-type vehicular lamp and provided more towards a rear side than the rear side focal point (F) of a projection lens (12), the luminance of a light-emitting element (22A) of the first light source unit (20A) being set to a value higher than the luminance of a light-emitting element (22B) of each of second light source units (20BL, 20BR), so that in a low-beam light distribution pattern formed by the radiated light from the vehicular lamp, an area of high-intensity light is formed with sufficient brightness by the radiated light from the first light source unit (20A), and a diffusion region is formed by the radiated light from the second light source units (20BL, 20BR).