Provided are a screen device and a head-up display device which allow the quality of a display image to be improved. The head-up display device 100 comprises a screen device 1, a display 21 for emitting projection light, and a focus position adjustment unit 30 for receiving projection light L emitted from the display 21, changing the distance to a focus position for at least a portion of the incident projection light L, and adjusting the projection light L to have different distances to a focus position. The screen device 1 is provided with a light shielding part 50 preventing first display light N1 emitted from a first display image M1 from reaching a second screen 42. The head-up display device 100 emits the first display light N1 from the first display image M1 displayed on a first screen 41 and second display light N2 from a second display image M2 displayed on the second screen 42, and displays the two display images M1, M2 as virtual images V through a windshield 200, the second display light N2 being prevented from mixing with second projection light L2 projected onto the second screen 42.
SCREEN DEVICE AND HEAD-UP DISPLAY DEVICE
BILDSCHIRMVORRICHTUNG UND HEAD-UP-ANZEIGEVORRICHTUNG
DISPOSITIF D'ÉCRAN ET DISPOSITIF D'AFFICHAGE TÊTE HAUTE
2018-12-05
Patent
Electronic Resource
English
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 / G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM , Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien |