| 摘要 |
The following invention relates to an improved lens apparatus for use in a head up display (HUD), particularly for providing a HUD with an active virtual one which has variable and selectable distance to the user. The display device for vehicles comprises, at least one display,which provides system information that is to be displayed to a user,a partially reflecting combiner, which magnifies the system information from the display, and provides an active primary virtual image of said display,at least one fluidic lens located between the at least one display and said partially reflecting combiner, to provide the active primary virtual image. |
