Disclosed are a head-up display device and a motor vehicle. The head-up display device includes an image source, a transflective device and a light control device. The image source is configured to emit light for forming an image. The transflective device is configured to reflect light that is incident on the transflective device and allow the light that is incident on the transflective device to be transmitted. The light control device includes a retroreflection element and a dispersion element arranged above the retroreflection element; the retroreflection element is configured to reflect the light that is incident on the retroreflection element in a direction opposite the incident direction of the light that is incident on the retroreflection element; and the dispersion element is configured to diffuse the light that is incident on the dispersion element.
Head-up display device and motor vehicle
2023-10-24
Patent
Elektronische Ressource
Englisch
IPC: | G09G Anordnungen oder Schaltungen zur Steuerung oder Regelung von Anzeigevorrichtungen mit statischen Mitteln zur Darstellung veränderlicher Informationen , ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM , Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien |