Abstract: A conductive pattern for a display device includes a first layer including aluminum or an aluminum alloy disposed on a substrate and forming a first taper angle with the substrate, and a second layer disposed on the first layer forming a second taper angle with the first layer, in which the second taper angle is smaller than the first taper angle.

Abstract: A display device includes: a substrate; first and second transistors provided on the substrate to be spaced apart from each other, the first and second transistors being electrically connected to each other; and a display unit electrically connected to the first transistor, wherein the first transistor includes a first semiconductor layer including crystalline silicon, a first gate electrode, a first source electrode, and a first drain electrode, wherein the second transistor includes a second semiconductor layer including an oxide semiconductor, a second gate electrode, a second source electrode, and a second drain electrode, wherein each of the second source electrode and the second drain electrode includes a first layer that includes molybdenum and is provided on the second semiconductor layer, a second layer that includes aluminum and is provided on the first layer, and a third layer that includes titanium and is provided on the second layer.

Abstract: A liquid crystal display device includes a substrate; a gate electrode on the substrate; a semiconductor pattern layer on the gate electrode; and source and drain electrodes on the semiconductor pattern layer and spaced apart from each other. The source electrode includes: a first facing portion facing the drain electrode; and a first protrusion protruding toward the drain electrode from the first protrusion. The drain electrode includes: a second facing portion facing the source electrode; and a second protrusion protruding toward the source electrode from the second facing portion and facing the first protrusion. The semiconductor pattern layer includes: a source area overlapping the source electrode; a drain area overlapping the drain electrode; and a bridge area connecting the source area with the drain area, and a space defined between the first protrusion and the second protrusion is on the bridge area.