A picture generation unit (PGU) used in a head-up display (HUD) includes a printed circuit board (PCB) having a plurality of light sources, a display unit disposed in front of the plurality of light sources and configured to form an image to be provided to the HUD, and a housing disposed between the PCB and the display unit and including an internal reflective structure configured to guide optical beams from the plurality of light sources to the display unit and to homogenize a light intensity of the optical beams incident on the display unit, wherein the internal reflective structure includes a plurality of first funnels respectively disposed of corresponding to the plurality of light sources, and a second funnel disposed of as a singular funnel in front of the first funnels in a form encompassing the plurality of first funnels.


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    Title :

    PICTURE GENERATION UNIT FOR HEAD-UP DISPLAY


    Contributors:
    SHIN MIN HO (author)

    Publication date :

    2022-02-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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