Patent ID: 9101826
Filing Date: 2015-08-11
Classification: G02F,G07F

Abstract:
1. A display device for slot machines comprising: a front display unit outputting a first image; and a rear display unit disposed behind the front display unit outputting a second image, the display device being disposed to allow the second image of the rear display unit to be visible through a predetermined area of the front display unit, wherein the front display unit includes a liquid crystal panel, a light guide panel disposed behind the liquid crystal panel and having a transparent window located corresponding to the predetermined area such that the second image of the rear display unit is transmitted therethrough, and a light source disposed around the light guide panel to backlight the liquid crystal panel, and wherein a transparent display unit is placed between the front display unit and the rear display unit to emit white light in response to a control signal from a controller according to an applied voltage to at least one of provide the white light to the predetermined area of the front display unit and maintain a transparent state so as to transmit the white light, such that the second image of the rear display unit is visible through the predetermined area; wherein, when the transparent display unit maintains the transparent state, direct passage of incident light from a rear side is allowed.