发明名称 Display apparatus
摘要 The present invention relates to a display apparatus comprising front display unit (10) and rear display unit (50), wherein the front display unit (10) and the rear display unit (50) are arranged such that an image on the rear display unit (50) is visible through a portion of the front display unit (10). The front display unit (10) comprise: a display panel (20); a front backlight (30) which is arranged behind the display panel (20), and which includes a first light guide plate (36) having a projection window (16) through which an image on the rear display unit (50) is visible, first light sources (38) arranged along the circumference of the first light guide plate (36), and a reflection sheet (39) arranged at the rear surface of the first light guide plate (36) to reflect light and having an image hole (18) formed at the region thereof that corresponds to the projection window (16); a rear backlight (40) arranged behind the front backlight (30) and including a second light guide plate (42) corresponding to the projection window (16) and second light sources (44) arranged along the circumference of the second light guide plate (42); and a rear optical shutter (48) arranged behind the second light guide plate (24). The rear optical shutter (48) is made of a transparent material, such that the rear display unit and the front display unit cooperate with one another to display a combined image. The entire screen of the front display unit is capable of displaying an image, without any disconnection of the image, when the rear optical shutter is closed.
申请公布号 US8847849(B2) 申请公布日期 2014.09.30
申请号 US201013503805 申请日期 2010.10.06
申请人 Kortek Corporation 发明人 Lee Kyoung Chan;Kim Chan Hwan;Lee Gun Ho
分类号 G09G5/00;F21V8/00;G07F17/32;G02F1/1347;G02F1/1335;G02F1/1334 主分类号 G09G5/00
代理机构 Cooper & Dunham LLP 代理人 White John P.;Cooper & Dunham LLP
主权项 1. 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).
地址 Incheon KR