Patent ID: 8203659

Claim:
A combination of an LCD (liquid crystal display) display and a gaming machine, comprising: an LCD ( 1 ) comprising a touchscreen ( 2 ), a liquid crystal (LC) panel ( 3 ), a backlight module ( 4 ), a plurality of printed circuit boards (PCBs) ( 5 ), and a rear cover ( 6 ) having an opening ( 7 A) wherein the backlight module ( 4 ) comprises, from front to rear, four optical films ( 41 ) each having three openings ( 7 ), three barrier films ( 42 ), a light guide ( 43 ) having three openings ( 7 ), two light sources ( 44 ) on top and bottom edges of the light guide ( 43 ) respectively, a reflecting film ( 45 ) having three openings ( 7 ), and a frame plate ( 46 ) having three openings ( 7 ), the barrier films ( 42 ) functions as a visual barrier or a transparent member by adjusting voltage applied thereto, and the openings ( 7 , 7 A) are aligned one another; and a plurality of revolving wheels ( 8 ) disposed behind the LCD ( 1 ), each wheel ( 8 ) comprising a plurality of symbols ( 81 ) arranged annually thereon, wherein one pattern including the symbols ( 81 ) of the wheels ( 8 ) behind the openings ( 7 , 7 A) is illuminated by the light sources ( 44 ); and wherein in response to activating the wheels ( 8 ) and deactivating same after a predetermined period of time, in a first operation the barrier films ( 42 ) are activated to inhibit one pattern of symbols ( 81 ) behind the openings ( 7 , 7 A) from being visible on front of the LCD ( 1 ), and in a second operation the barrier films ( 42 ) are activated to allow one pattern of symbols ( 81 ) behind the openings ( 7 , 7 A) to be visible on front of the LCD ( 1 ).