The invention relates to a head-up display system including a transparent plate; a liquid crystal display for generating a display light of information; and a laminate of first and second lambda /4 films. This laminate is placed on a display panel of the liquid crystal display such that the display light is changed into S-polarized light or P-polarized light and that the S-polarized light or the P-polarized light is incident on the transparent plate. The laminate of first and second lambda /4 films may be replaced with a single lambda /2 film. <IMAGE>