Organic light-emitting display apparatus

Abstract

An organic light-emitting display apparatus includes a plurality of first emission units, each including a first organic light-emitting device configured to emit light in at least a first direction and through a first display surface, a plurality of second emission units, each including a second organic light-emitting device configured to emit in a second direction opposite to the first direction and through a second display surface. The first emission units and the second emission units are alternately disposed. The apparatus further includes a transmissive area disposed adjacent to but not overlapping with the plurality of first emission units and the plurality of second emission units when viewed from a direction perpendicular to the first display surface, and capable of transmitting external light through the first and second display surfaces in the transmissive area.

What is claimed is: 
     
         1 . An organic light-emitting display apparatus comprising:
 a plurality of first emission units, each comprising a first organic light-emitting device configured to emit light in at least a first direction and through a first display surface;   a plurality of second emission units, each comprising a second organic light-emitting device configured to emit light in a second direction opposite to the first direction and through a second display surface opposing the first display surface, wherein the first emission units and the second emission units are alternately disposed; and   a transmissive area disposed adjacent to but not overlapping with the plurality of first emission units and the plurality of second emission units when viewed from a direction perpendicular to the first display surface, and capable of transmitting external light through the first and second display surfaces in the transmissive area.   
     
     
         2 . The organic light-emitting display apparatus of  claim 1 , wherein at least one of the first emission units and at least one of the second emission units are adjacent to a side of the transmissive area. 
     
     
         3 . The organic light-emitting display apparatus of  claim 2 , further comprising:
 a plurality of first circuit units, each of which is electrically connected to one of the plurality of first emission units, and does not overlap with the connected one of the plurality of first emission units when viewed from the direction, and   a plurality of second circuit units, each of which is electrically connected to one of the plurality of second emission units, and overlaps with the connected one of the plurality of second emission units when viewed from the direction.   
     
     
         4 . The organic light-emitting display apparatus of  claim 2 , further comprising a plurality of circuit units, each of which is electrically connected to one of the plurality of first emission units and one of the plurality of second emission units, and overlaps with the connected one of the plurality of second emission units when viewed from the direction. 
     
     
         5 . The organic light-emitting display apparatus of  claim 1 , wherein at least one of the first emission units and at least one of the second emission units are adjacent to two opposite sides of the transmissive area, respectively. 
     
     
         6 . The organic light-emitting display apparatus of  claim 5 , further comprising:
 a plurality of first circuit units, each of which is electrically connected to one of the plurality of first emission units, and does not overlap with the connected one of the plurality of first emission units when viewed from the direction, and   a plurality of second circuit units, each of which is electrically connected to one of the plurality of second emission units, and overlaps with the connected one of the plurality of second emission units when viewed from the direction.   
     
     
         7 . The organic light-emitting display apparatus of  claim 5 , further comprising a plurality of circuit units, each of which is electrically connected to one of the plurality of first emission units and one of the plurality of second emission units, and overlaps with the connected one of the plurality of second emission units when viewed from the direction. 
     
     
         8 . The organic light-emitting display apparatus of  claim 1 , wherein at least a portion of the transmissive area is disposed between at least one of the plurality of first emission units and at least one of the plurality of second emission units. 
     
     
         9 . The organic light-emitting display apparatus of  claim 1 , further comprising a see-through window formed in the transmissive area. 
     
     
         10 . An organic light-emitting display apparatus comprising:
 a substrate;   a plurality of first pixels formed over the substrate and comprising a plurality of first emission units configured to emit light in at least a first direction and through a first display surface;   a plurality of second pixels formed over the substrate, and comprising a plurality of second emission units configured to emit light in a second direction opposite to the first direction and through a second display surface opposing the first display surface, wherein the first pixels and the second pixels are alternately disposed;   a plurality of first pixel electrodes, each disposed in one of the plurality of first emission units of the plurality of first pixels, and comprising a transparent conductive layer or a transflective conductive layer;   a plurality of second pixel electrodes, each of which is disposed in one of the plurality of second emission units of the plurality of second pixels, and comprises a reflective layer;   a first opposite electrode facing the plurality of first pixel electrodes;   a second opposite electrode facing the plurality of second pixel electrodes;   a first organic layer interposed between one of the plurality of first pixel electrodes and the first opposite electrode, and comprising a first emission layer;   a second organic layer interposed between one of the plurality of second pixel electrodes and the second opposite electrode, and comprising a second emission layer; and   at least one transmissive area disposed adjacent to the plurality of first pixels and the plurality of second pixels, and capable of transmitting external light through the first and second display surfaces in the transmissive area.   
     
     
         11 . The organic light-emitting display apparatus of  claim 10 , wherein the first opposite electrode and the second opposite electrode are electrically connected. 
     
     
         12 . The organic light-emitting display apparatus of  claim 10 , wherein at least one of the first pixels and at least one of the second pixels are adjacent to a side of the transmissive area. 
     
     
         13 . The organic light-emitting display apparatus of  claim 12 , wherein each of the plurality of first pixels further comprises a first circuit unit that is electrically connected to the corresponding first pixel electrode and that does not overlap with the corresponding first pixel electrode when viewed from a direction perpendicular to the first display surface, and
 wherein each of the plurality of second pixels further comprises a second circuit unit that is electrically connected to the corresponding second pixel electrode and that overlaps with the corresponding second pixel electrode when viewed from the direction.   
     
     
         14 . The organic light-emitting display apparatus of  claim 12 , wherein each of the plurality of second pixels further comprises a circuit unit that is electrically connected to the corresponding second pixel electrode and the first pixel electrode of an adjacent first pixel, and that overlaps with the corresponding second pixel electrode when viewed from the direction. 
     
     
         15 . The organic light-emitting display apparatus of  claim 10 , wherein at least one of the first pixels and at least one of the second pixels are adjacent to two opposite sides of the transmissive area, respectively. 
     
     
         16 . The organic light-emitting display apparatus of  claim 15 , wherein each of the plurality of first pixels further comprises a first circuit unit that is electrically connected to the corresponding first pixel electrode and that does not overlap with the corresponding first pixel electrode when viewed from a direction perpendicular to the first display surface, and
 wherein each of the plurality of second pixels further comprises a second circuit unit that is electrically connected to the corresponding second pixel electrode and that overlaps with the corresponding second pixel electrode when viewed from the direction.   
     
     
         17 . The organic light-emitting display apparatus of  claim 15 , wherein each of the plurality of second pixels further comprises a circuit unit that is electrically connected to the corresponding second pixel electrode and the first pixel electrode of an adjacent first pixel, and that overlaps with the corresponding second pixel electrode when viewed from a direction perpendicular to the first display surface. 
     
     
         18 . The organic light-emitting display apparatus of  claim 10 , further comprising a see-through window formed in the transmissive area. 
     
     
         19 . The organic light-emitting display apparatus of  claim 18 , wherein the second opposite electrode comprises a metal layer capable of reflecting light, and the metal layer comprises an opening that corresponds to at least the see-through window.