US Patent 8981364 Organic light emitting diode display

An organic light emitting diode display including a first electrode disposed in a display area of a display panel, and electrically connected to a transistor connected to a gate wiring and a data wiring; a pixel definition film provided on the display panel, and having an opening through which the first electrode is exposed; organic emission layers disposed on the first electrode; column spacers disposed on non-display areas of the display panel, and disposed on the pixel definition layer; a second electrode disposed on the organic emission layers and the column spacers; and signal blocking metal wirings disposed on both side edges of the organic emission layers, and disposed between the first electrode and the second electrode.