Patent ID: 9276078
Filing Date: 2016-03-01
CPC Classification: C22C,H01L

Claim Text:
1. A display substrate, comprising: a base substrate; a semiconductor active layer disposed on the base substrate; a first conductive pattern group insulated from the semiconductor active layer and including a gate electrode and a first capacitor electrode insulated from the gate electrode; a second conductive pattern group insulated from the first conductive pattern group; and an organic light emitting device, the second conductive pattern group comprises a source electrode, a drain electrode, a data line providing data signals to the organic light emitting device, a source voltage supply line extending along a same direction of the data line and receiving a source voltage different from a voltage applied to the data line, and a second capacitor electrode overlapped with the first capacitor electrode and protruding from the source voltage supply line; each of the source electrode, the drain electrode, the data line, the source voltage supply line, and the second capacitor electrode including a first conductive layer comprising one of copper, a copper alloy, aluminum, and an aluminum alloy, a second conductive layer disposed on the first conductive layer, and a third conductive layer disposed under the first conductive layer; and the second conductive layer and the third conductive layer comprise a molybdenum-nickel-titanium alloy, and the molybdenum-nickel-titanium alloy contains nickel of about 15 at % to about 30 at % with respect to an aggregate of the molybdenum-nickel-titanium alloy, and titanium of about 10 at % to about 20 at % with respect to the aggregate of the molybdenum-nickel-titanium alloy.