Organic light emitting display and manufactuirng method thereof

Abstract

An organic light emitting display is provided, which includes: a first electrode formed on a substrate; a partition having an opening exposing the first electrode at least in part; an auxiliary electrode formed on the partition and having substantially the same planar shape as the partition; an organic light emitting member formed on the first electrode and disposed substantially in the opening; and a second electrode formed on the light emitting member and the auxiliary electrode.

1 - 20 . (canceled)  
   
   
       21 . A method of manufacturing an organic light emitting display, the method comprising: 
 forming a plurality of first display electrodes;    forming a partition having a plurality of opening exposing the first display electrodes at least in part;    forming an auxiliary electrode on the partition;    forming a plurality of organic light emitting members in the openings; and    forming a second display electrode on the light emitting member and the auxiliary electrode,    wherein the formation of the partition and the formation of the auxiliary electrode are performed by using a single lithography.    
   
   
       22 . The method of  claim 21 , wherein the formation of the partition and the formation of the auxiliary electrode comprise: 
 sequentially depositing an insulating layer and a conductively layer;    forming a first photoresist on the conductive layer;    sequentially etching the conductive layer and the insulating layer using the first photoresist as an etch mask to form a conductor and the partition;    ashing the first photoresist to form a second photoresist; and    etching the conductor to form the auxiliary electrode using the second photoresist as an etch mask.    
   
   
       23 . The method of  claim 21 , wherein the first display electrodes comprise a reflective material.  
   
   
       24 . The method of  claim 21 , wherein the second display electrode contacts the light emitting member, the auxiliary electrode, and the partition.  
   
   
       25 . The method of  claim 24 , wherein the second display electrode contacts a side of the partition at the opening.  
   
   
       26 . The method of  claim 21 , wherein the second display electrode comprises transparent material.  
   
   
       27 . A method of manufacturing an organic light emitting display, the method comprising: 
 forming first and second semiconductor members including amorphous silicon or polysilicon;    forming a gate line including a first gate electrode and a second gate electrode;    forming a gate insulating layer between the first and the second semiconductor members and the gate line and the second gate electrode;    forming a data line including a first source electrode, a voltage transmission line, and first and second drain electrodes;    forming a passivation layer on the data line, the voltage transmission line, and the firs and the second drain electrodes;    forming a pixel electrode on the passivation layer, the pixel electrode connected to the second drain electrode;    forming a partition having an opening exposing the pixel electrode at least in part;    forming an auxiliary electrode on the partition;    forming an organic light emitting member in the opening; and    forming a common electrode on the light emitting member and the auxiliary electrode.    
   
   
       28 . The method of  claim 27 , wherein the formation of the partition and the formation of the auxiliary electrode comprise: 
 sequentially depositing an insulating layer and a conductively layer;    forming a first photoresist on the conductive layer;    sequentially etching the conductive layer and the insulating layer using the first photoresist as an etch mask to form a conductor and the partition;    ashing the first photoresist to form a second photoresist; and    etching the conductor to form the auxiliary electrode using the second photoresist as an etch mask.    
   
   
       29 . The method of  claim 27 , wherein the pixel electrode comprises transparent material.  
   
   
       30 . The method of  claim 27 , wherein the common electrode comprises transparent material.  
   
   
       31 . The method of  claim 27 , wherein the auxiliary electrode has a resistivity lower than the common electrode.  
   
   
       32 . The method of  claim 27 , wherein the second display electrode contacts the light emitting member, the auxiliary electrode, and the partition.  
   
   
       33 . The method of  claim 32 , wherein the second display electrode contacts a side of the partition at the opening.