Patent ID: 7671940
Filing Date: 2010-03-02
Classification: G02B,G02F

Abstract:
1. A dual panel display comprising: a housing comprising a fixing plane that has an opening; a first display panel positioned at a first side of the fixing plane; a second display panel positioned at a second side of the fixing plane, a size of the second display panel being approximately the same as a size of the opening; and a backlight module positioned between the first display panel and the fixing plane, the backlight module comprising: a light guide plate positioned between the first display panel and the fixing plane, the light guide plate having a light-incidence surface, a first light-exit surface and a second light-exit surface, the first light-exit surface and the second light-exit surface being adjacent to the light-incidence surface and parallel to each other; a light source positioned near the light-incidence surface of the light guide plate; at least a transflective film positioned between the second light-exit surface and the fixing plane, the at least a transflective film being capable of reflecting part of light propagating from the second light-exit surface back to the light guide plate, and one of the at least a transflective film being a lens; and at least an optical property enhancement film positioned at a side of the second display panel facing toward the light guide plate.