A simplified process for the bus electrodes of low resistance in passive matrix OLEDs

A simplified process for the bus electrodes of low resistance in passive matrix OLEDs using cathode separators is presented. The cathode separators are patterned both in a peripheral area and in an active area so that the bus electrodes can be formed out of a cathode metal of low resistance when the cathode metal is deposited. Using this simplified process, a single and bi-layer of aluminum and copper were tried out to form the bus and cathode electrodes and the results were analyzed. This method reduces the fabrication processes and lowers the power consumption.