Display Panel

Abstract

The present disclosure relates to a display panel. More specifically, the display panel is configured to surround an opening area, includes a reflective electrode including an inclined surface, and therefore provides increased luminous efficiency.

What is claimed is: 
     
         1 . An organic light emitting display panel comprising:
 a substrate including an active area and a non-active area, the non-active area including a pad area;   a transistor in the active area of the substrate, the transistor comprising a first node, a second node, and a third node;   an insulating film disposed over the transistor in the active area of the substrate, the insulating film including at least one hole;   a sub-pixel electrically connected to the transistor, the sub-pixel including a plurality of light emitting areas and a plurality of separation areas in the active area of the substrate; and   a plurality of pad electrodes disposed in the pad area, the plurality of pad electrodes comprising a first pad electrode and a second pad electrode,   wherein the plurality of pad electrodes in the pad area are disposed on a same layer with each of the first node, the second node, and the third node in the active area.   
     
     
         2 . The organic light emitting display panel according to  claim 1 , wherein the sub-pixel comprises a first electrode, an organic emitting layer, and a second electrode on the insulating film. 
     
     
         3 . The organic light emitting display panel according to  claim 2 , further comprising a bank layer disposed on the insulating film and partially on the first electrode, the bank layer having a first inclined surface and a second inclined surface disposed in a concavity of the insulating film. 
     
     
         4 . The organic light emitting display panel according to  claim 1 , wherein the second node or the third node of the transistor and the first electrode are electrically connected in the at least one hole of the insulating film. 
     
     
         5 . The organic light emitting display panel according to  claim 1 , further comprising an auxiliary electrode disposed in a separation area from the plurality of separation areas, the auxiliary electrode on a same layer with the first pad electrode in the pad area, and the first node in the active area. 
     
     
         6 . The organic light emitting display panel according to  claim 5 , wherein the auxiliary electrode contacts the second electrode in the at least one hole of the insulating film. 
     
     
         7 . The organic light emitting display panel according to  claim 1 , wherein each of the first pad electrode and the second pad electrode in the pad area are disposed on the same layer with each of the first node and the second node or the third node in the active area, respectively. 
     
     
         8 . The organic light emitting display panel according to  claim 7 , further comprising an interlayer insulating film on the substrate, the interlayer insulating film disposed on the first pad electrode without covering a portion of a top surface of the first pad electrode. 
     
     
         9 . The organic light emitting display panel according to  claim 8 , wherein the second pad electrode is disposed on the interlayer insulating film and contacts the first pad electrode in the pad area. 
     
     
         10 . The organic light emitting display panel according to  claim 1 , further comprising a gate insulating film disposed on the first node in the active area and on the first pad electrode in the pad area. 
     
     
         11 . The organic light emitting display panel according to  claim 10 , further comprising an activation layer disposed on the substrate in the active area, the activation layer disposed between the substrate and the gate insulating film. 
     
     
         12 . The organic light emitting display panel according to  claim 3 , wherein the bank layer comprises a third inclined surface, a fourth inclined surface, and a fifth inclined surface in a separation area from the plurality of separation areas. 
     
     
         13 . The organic light emitting display panel according to  claim 12 , wherein the third inclined surface and the fourth inclined surface of the bank layer is in a first hole of the insulating film, and the fifth inclined surface of the bank layer in in line with an inclined surface of the insulating film in a second hole of the insulating film. 
     
     
         14 . The organic light emitting display panel according to  claim 13 , wherein the second electrode is disposed on the fifth inclined surface of the bank layer and the inclined surface of the insulating film in the second hole of the insulating film. 
     
     
         15 . The organic light emitting display panel according to  claim 12 , wherein the first electrode contacts the first inclined surface of the bank layer in the at least one of the plurality of light emitting areas, and contacts the third inclined surface and the fourth inclined surface of the bank layer in at least one of the plurality of separation areas. 
     
     
         16 . The organic light emitting display panel according to  claim 1 , wherein the first electrode is disposed in the plurality of light emitting areas and the plurality of separation areas. 
     
     
         17 . The organic light emitting display panel according to  claim 8 , wherein the interlayer insulating film is disposed on the first node of the transistor in the active area, the interlayer insulating film covering a top surface of the first node. 
     
     
         18 . The organic light emitting display panel according to  claim 1 , further comprising a storage capacitor disposed on the substrate in the active area, the storage capacitor comprising a first storage capacitor and a second storage capacitor, wherein each of the first pad electrode and the second pad electrode in the pad area are disposed on a same layer with each of the first storage capacitor and the second storage capacitor in the active area, respectively. 
     
     
         19 . The organic light emitting display panel according to  claim 18 , further comprising a passivation layer covering the storage capacitor in the active area. 
     
     
         20 . The organic light emitting display panel according to  claim 19 , wherein the plurality of the pad electrodes in the pad area are not covered by the passivation layer. 
     
     
         21 . The organic light emitting display panel according to  claim 19 , wherein the passivation layer partially covers the second node or the third node of the transistor of the sub-pixel. 
     
     
         22 . The organic light emitting display panel according to  claim 6 , further comprising a passivation layer disposed on the transistor of the sub-pixel, the passivation layer partially covering the auxiliary electrode.