The invention discloses a vehicle-mounted head-up display
windshield glass
ghosting elimination method and
windshield glass, and relates to the technical field of optical systems.The method comprises the steps that S1, the display view field range, the eye box range and driver observation position parameters of a head-up display
system are obtained, the method comprises the following steps: S1, establishing an optical model in which a display
light beam is emitted from a display source, reflected by the outer surface and reflected by the inner surface respectively and then enters the eye box range, S2, determining an effective display area
omega of head-up display on
windshield glass, establishing a two-dimensional space sampling
point set in the effective display area
omega, according to the method, a computable
ghosting evaluation index is defined in a multi-dimensional sampling space formed by a head-up display area, eye box sampling and view field sampling, and the full-eye box imaging consistency is applied to the free-form surface reverse calculation process of the inner surface of the windshield glass as an indecomposable overall constraint; and reversely determining the
surface type of the inner surface of the windshield glass meeting simultaneous constraint of multiple spatial positions.