DISPLAY APPARATUS - KORTEK CORP

Title:

DISPLAY APPARATUS

Document Type and Number:

WIPO Patent Application WO/2011/052899

Kind Code:

A3

Abstract:

The present invention relates to a display apparatus comprising front display means (10) and rear display means (50), wherein the front display means (10) and the rear display means (50) are arranged such that an image on the rear display means (50) is visible through a portion of the front display means (10). The front display means (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 means (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 means and the front display means cooperate with one another to display a combined image. The entire screen of the front display means is capable of displaying an image, without any disconnection of the image, when the rear optical shutter is closed.

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Inventors:

LEE KYOUNG CHAN (KR)
KIM CHAN HWAN (KR)
LEE GUN HO (KR)

Application Number:

PCT/KR2010/006809

Publication Date:

November 03, 2011

Filing Date:

October 06, 2010

Export Citation:

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Assignee:

KORTEK CORP (KR)
LEE KYOUNG CHAN (KR)
KIM CHAN HWAN (KR)
LEE GUN HO (KR)

International Classes:

G02F1/13357; G02F1/1335

Foreign References:

JP2005274907A	2005-10-06
JP2007268173A	2007-10-18
JP2006163154A	2006-06-22
KR20100088962A	2010-08-11

Other References: