A display panel includes a first substrate comprising a plurality of pixel areas, a second substrate facing the first substrate, a liquid crystal layer interposed between the first substrate and the second substrate, a thin film transistor comprising a gate electrode disposed on the first substrate, a semiconductor pattern overlapping with the gate electrode, a source electrode and a drain electrode overlapping with the semiconductor pattern and spaced apart from each other, a plasmonic color filter to which a common voltage is configured to be applied, and comprising a same material as the gate electrode, disposed on a same layer as the gate electrode, and comprising a plurality of holes through which light is configured to be transmitted and a pixel electrode to which a gray scale voltage is configured to be applied, and overlapping with the plasmonic color filter, and electrically connected to the drain electrode.