Organic electroluminescence emitting display

Abstract

An organic light emitting display capable of substantially preventing IR drop of a power source wiring line and coupling of data lines is disclosed. In one aspect, the organic light emitting display includes pairs of data lines between adjacent sub-pixels. The data lines are arranged to run parallel with a coupling blocking wiring line provided between each pair.

What is claimed is: 
     
       1. An organic light emitting display, comprising:
 a plurality of sub-pixels formed near intersections of a plurality of gate lines and a plurality of data lines; and   a driving power source wiring line connected to two adjacent sub-pixels to supply a power source voltage for driving the sub-pixels,   wherein the plurality of data lines comprises a pair of data lines arranged to run parallel with the driving power source wiring line with sub-pixels interposed between the driving power source wiring line and the pair of data lines, and   a coupling blocking wiring line between the data lines that of the pair, wherein the driving power source wiring line has a mesh structure formed of a plurality of column direction driving power source wiring lines running parallel with the data lines and a plurality of row direction driving power source wiring lines running parallel with the gate lines, and wherein the coupling blocking wiring line has a mesh structure formed of a plurality of column direction coupling blocking wiring lines running parallel with the driving power source lines, but separated by sub-pixels interposed between the coupling blocking wiring lines and the driving power source lines, and a plurality of row direction coupling blocking wiring lines running parallel with the gate lines.   
     
     
       2. The organic light emitting display as claimed in  claim 1 , wherein the coupling blocking wiring line is a compensation signal wiring line or an initializing power source wiring line. 
     
     
       3. The organic light emitting display as claimed in  claim 2 , wherein the coupling blocking wiring line comprises the compensation signal wiring line and is part of the mesh structure in which the compensation signal wiring line is connected to compensation signal wiring lines running parallel with the gate lines. 
     
     
       4. The organic light emitting display as claimed in  claim 2 , wherein the coupling blocking wiring line comprises the compensation signal wiring line and is formed on the same layer as the data line of the same material. 
     
     
       5. The organic light emitting display as claimed in  claim 2 , wherein the coupling blocking wiring line comprises the initializing power source wiring line and is provided to run parallel with the driving power source wiring line. 
     
     
       6. The organic light emitting display as claimed in  claim 2 , wherein the coupling blocking wiring line comprises the initializing power source wiring line and is formed on the same layer as the data line of the same material. 
     
     
       7. The organic light emitting display as claimed in  claim 1 , wherein the sub-pixel comprises:
 an organic light emitting diode (OLED);   a driving transistor electrically coupled to the OLED to supply driving current;   a capacitor configured to maintain a data voltage applied to a gate electrode of the driving transistor;   a switching transistor configured to supply a data signal from the data line to the capacitor in response to a gate signal of the gate line; and   a compensation transistor configured to transmit driving current corresponding to the data signal to the OLED.   
     
     
       8. The organic light emitting display as claimed in  claim 7 ,
 wherein the coupling blocking wiring line comprises a compensation signal wiring line, and   wherein a gate of the compensation transistor is directly connected to the compensation signal wiring line.   
     
     
       9. The organic light emitting display as claimed in  claim 7 , wherein the capacitor is electrically coupled between the driving power source wiring line and a source or drain electrode of the switching transistor. 
     
     
       10. The organic light emitting display as claimed in  claim 1 , wherein the sub-pixel comprises:
 an OLED for displaying an image;   a first switching element configured to transmit driving current to the OLED according to a data signal supplied from the data line;   a capacitor configured to store a voltage corresponding to the data signal;   a second switching element configured to be turned on when a gate signal is supplied to the gate line, and when turned on to supply the data signal to the capacitor;   a third switching element configured to be turned on when the gate signal is supplied to the gate line, and when turned on to diode connect the first switching element;   a fourth switching element configured to initialize a voltage stored in the capacitor, the capacitor connected to a drain or source of the fourth switching element and a second electrode of the second switching element;   a fifth switching element configured to transmit the driving power source voltage to the first switching element in accordance with an emission control signal supplied by an emission control wiring line; and   a sixth switching element configured to control driving current that flows from the first switching element to the OLED in accordance with the emission control signal of the emission control wiring line.   
     
     
       11. The organic light emitting display as claimed in  claim 10 , wherein the coupling blocking wiring line comprises an initializing power source wiring line. 
     
     
       12. The organic light emitting display as claimed in  claim 11 , wherein the initializing power source wiring lines are electrically directly coupled to a source or drain of the fourth switching element. 
     
     
       13. The organic light emitting display as claimed in  claim 11 ,
 wherein the initializing power source wiring line is connected to the two adjacent sub-pixels; and   wherein one of the sub-pixels connected to the initializing power source wiring   line is one of the two sub-pixels connected to the driving power source wiring line.   
     
     
       14. The organic light emitting display as claimed in  claim 11 , wherein the initializing power source wiring line is coupled to the fourth switching elements of the adjacent sub-pixels. 
     
     
       15. An organic light emitting display, comprising:
 a plurality of sub-pixels formed near intersections of a plurality of gate lines and a plurality of data lines;   a plurality of driving power source wiring lines including a driving power source wiring line connected to two adjacent sub-pixels to supply a power source voltage; and   a plurality of initializing power source wiring lines including a first initializing power source wiring line and a second initializing power source wiring line arranged to run parallel with the driving power source wiring line;   wherein the two adjacent sub-pixels are interposed between the first and second initializing power source wiring lines,   wherein one of the plurality of initializing power source wiring lines is a coupling blocking wiring line interposed between two adjacent data lines of the plurality of data lines that blocks a coupling generated between the two adjacent data lines, the coupling blocking wiring line having a portion extending parallel with the gate lines,   wherein the plurality of driving power source wiring lines have a mesh structure and include a plurality of column direction driving power source wiring lines parallel with the plurality of data lines and a plurality of row direction driving power source wiring lines parallel with the plurality of gate lines,   wherein each of the column direction driving power source wiring lines and each of the row direction driving power source wiring lines has a length and a width smaller than the length,   wherein the width of each of the column direction driving power source wiring lines is greater than the width of each of the row direction driving power source wiring lines, and   wherein each of the plurality of sub-pixels comprises:   an organic light emitting diode;   a first transistor including a first electrode connected to one of the plurality of driving power source wiring lines and a second electrode connected to the organic light emitting diode;   a second transistor including a first electrode connected to one of the plurality of initializing power source wiring lines and a second electrode connected to a gate electrode of the first transistor and configured to initialize a voltage of the gate electrode of the first transistor.    
     
     
       16. The organic light emitting display as claimed in claim 15, wherein one of the plurality of sub-pixels further comprises:
 a capacitor including a first electrode and a second electrode, the first electrode of the capacitor connected to a gate electrode of the first transistor;   a third transistor including a first electrode connected to one of the plurality of data lines and a second electrode connected to the second electrode of the capacitor; and   a fourth transistor including a first electrode connected to the second electrode of the first transistor and a second electrode connected to the gate electrode of the first transistor.    
     
     
       17. The organic light emitting display as claimed in claim 16, wherein the one of the plurality of sub-pixels further comprises:
 a fifth transistor including a first electrode connected to the one of the plurality of driving power source wiring lines and a second electrode connected to the first electrode of the first transistor, and   a sixth transistor including a first electrode connected to the second electrode of the first transistor and a second electrode connected to the organic light emitting diode,   wherein a gate electrode of the fifth transistor and a gate electrode of the sixth transistor are connected to an emission control wiring line.    
     
     
       18. The organic light emitting display as claimed in claim 15, wherein the one of the plurality of initializing power source wiring lines is electrically coupled to a source of the second transistor or a drain of the second transistor.  
     
     
       19. The organic light emitting display as claimed in claim 15, wherein one of the first and second initializing power source wiring lines is connected to two sub-pixels; and
 wherein one of the two sub-pixels connected to the one of the first and second initializing power source wiring lines is one of the two adjacent sub-pixels connected to the driving power source wiring line.    
     
     
       20. The organic light emitting display as claimed in claim 15, wherein the first and second initializing power source wiring lines are coupled to the second transistor of each of the two adjacent sub-pixels.  
     
     
       21. The organic light emitting display as claimed in claim 15, wherein the plurality of initializing power source wiring lines are formed on the same layer as the plurality of data lines and of a same material as the plurality of data lines.  
     
     
       22. The organic light emitting display as claimed in claim 15, wherein the plurality of initializing power source wiring lines have a mesh structure and include a plurality of column direction initializing power source wiring lines parallel with the plurality of column direction driving power source wiring lines and a plurality of row direction initializing power source wiring lines parallel with the plurality of gate lines.  
     
     
       23. The organic light emitting display as claimed in claim 22, wherein one of the plurality of column direction driving power source wiring lines is between first and second column direction initializing power source wiring lines of the plurality of column direction initializing power source wiring lines,
 wherein the first and second column direction initializing power source wiring lines are separated by first and second sub-pixels of the plurality of sub-pixels,   wherein the first sub-pixel is interposed between the first column direction initializing power source wiring line and the one of the plurality of column direction driving power source wiring lines, and   wherein the second sub-pixel is interposed between the second column direction initializing power source wiring line and the one of the plurality of column direction driving power source wiring lines.    
     
     
       24. An organic light emitting display, comprising:
 a plurality of sub-pixels connected to a plurality of gate lines and a plurality of data lines;   a plurality of driving power source wiring lines including a driving power source wiring line connected to two adjacent sub-pixels to supply a power source voltage; and   a plurality of initializing power source wiring lines including a first initializing power source wiring line and a second initializing power source wiring line parallel with the driving power source wiring line;   wherein the two adjacent sub-pixels are interposed between the first and second initializing power source wiring lines,   wherein one of the plurality of initializing power source wiring lines is a coupling blocking wiring line interposed between two adjacent data lines of the plurality of data lines that blocks a coupling generated between the two adjacent data lines, the coupling blocking wiring line having a portion extending parallel with the gate lines,   wherein the plurality of driving power source wiring lines have a mesh structure and include a plurality of column direction driving power source wiring lines parallel with the plurality of data lines and a plurality of row direction driving power source wiring lines parallel with the plurality of gate lines,   wherein each of the column direction driving power source wiring lines and each of the row direction driving power source wiring lines has a length and a width smaller than the length,   wherein the width of each of the column direction driving power source wiring lines is greater than the width of each of the row direction driving power source wiring lines, and   wherein each of the plurality of sub-pixels comprises:   an organic light emitting diode;   a first transistor including a first electrode connected to one of the plurality of driving power source wiring lines and a second electrode connected to the organic light emitting diode;   a second transistor including a first electrode connected to one of the plurality of initializing power source wiring lines and a second electrode connected to a gate electrode of the first transistor and configured to initialize a voltage of the gate electrode of the first transistor.    
     
     
       25. The organic light emitting display as claimed in claim 24, wherein one of the plurality of sub-pixels further comprises:
 a capacitor including a first electrode and a second electrode, the first electrode of the capacitor connected to a gate electrode of the first transistor;   a third transistor including a first electrode connected to one of the plurality of data lines and a second electrode connected to the second electrode of the capacitor; and   a fourth transistor including a first electrode connected to the second electrode of the first transistor and a second electrode connected to the gate electrode of the first transistor.    
     
     
       26. The organic light emitting display as claimed in claim 25, wherein the one of the plurality of sub-pixels further comprises:
 a fifth transistor including a first electrode connected to the one of the plurality of driving power source wiring lines and a second electrode connected to the first electrode of the first transistor, and   a sixth transistor including a first electrode connected to the second electrode of the first transistor and a second electrode connected to the organic light emitting diode,   wherein a gate electrode of the fifth transistor and a gate electrode of the sixth transistor are connected to an emission control wiring line.    
     
     
       27. The organic light emitting display as claimed in claim 24, wherein the one of the plurality of initializing power source wiring lines is electrically coupled to a source of the second transistor or a drain of the second transistor.  
     
     
       28. The organic light emitting display as claimed in claim 24, wherein one of the first and second initializing power source wiring lines is connected to two sub-pixels; and
 wherein one of the two sub-pixels connected to the one of the first and second initializing power source wiring lines is one of the two adjacent sub-pixels connected to the driving power source wiring line.    
     
     
       29. The organic light emitting display as claimed in claim 24, wherein the first and second initializing power source wiring lines are coupled to the second transistor of each of the two adjacent sub-pixels.  
     
     
       30. The organic light emitting display as claimed in claim 24, wherein the plurality of initializing power source wiring lines are formed on the same layer as the plurality of data lines and of a same material as the plurality of data lines.  
     
     
       31. The organic light emitting display as claimed in claim 24, wherein the plurality of initializing power source wiring lines have a mesh structure and include a plurality of column direction initializing power source wiring lines parallel with the plurality of column direction driving power source wiring lines and a plurality of row direction initializing power source wiring lines parallel with the plurality of gate lines.  
     
     
       32. The organic light emitting display as claimed in claim 31, wherein one of the plurality of column direction driving power source wiring lines is between first and second column direction initializing power source wiring lines of the plurality of column direction initializing power source wiring lines,
 wherein the first and second column direction initializing power source wiring lines are separated by first and second sub-pixels of the plurality of sub-pixels,   wherein the first sub-pixel is interposed between the first column direction initializing power source wiring line and the one of the plurality of column direction driving power source wiring lines, and   wherein the second sub-pixel is interposed between the second column direction initializing power source wiring line and the one of the plurality of column direction driving power source wiring lines.