Patent ID: 8847849

Claim:
A display apparatus including a front display unit ( 10 ) and a rear display unit ( 50 ) disposed behind the front display unit ( 10 ) such that an image of the rear display unit ( 50 ) can be viewed through part of the front display unit ( 10 ), the front display unit ( 10 ) comprising: a display panel ( 20 ); a front backlight unit ( 30 ) including a first light guide plate ( 36 ) disposed behind the display panel ( 20 ) and having a projection window ( 16 ) through which the rear display unit ( 50 ) is visible, a first light source ( 38 ) arranged along the circumference of the first light guide plate ( 36 ), and a reflective sheet ( 39 ) placed on a backside of the first light guide plate ( 36 ) to reflect light and opened at a region thereof corresponding to the projection window ( 16 ) to form an image hole ( 18 ); a rear backlight unit ( 40 ) including a second light guide plate ( 42 ) disposed at a place corresponding to the projection window ( 16 ) behind the front backlight unit ( 30 ), and a second light source ( 44 ) arranged along the circumference of the second light guide plate ( 42 ); and a rear optical shutter 48 disposed at a place behind the second light guide plate ( 42 ) and corresponding to the second light guide plate ( 42 ).