Lighting inspection circuit and display device including the same

A display device, comprising:

• a display panel including a display area including a plurality of subpixels displaying an image are positioned and a non-display area outside the display area and displaying no image;
• a plurality of lighting inspection lines connected with the plurality of subpixels, respectively, along a pixel column for each color;
• a plurality of driving power supply lines supplying driving power to the plurality of subpixels, respectively;
• and
• a lighting inspection circuit provided in the non-display area and configured to perform lighting inspection on the display panel,
• wherein the lighting inspection circuit includes:
• a mode signal input pad receiving a lighting inspection signal or driving power according to a driving mode of the display device;
• a lighting inspection switching element configured to transfer the lighting inspection signal to the plurality of lighting inspection lines when turned on according to the driving mode;
• and
• a power supply switching element connected to one end of the lighting inspection switching element and configured to transfer the driving power applied to the mode signal input pad to the plurality of driving power supply lines when turned on according to the driving mode, and
• wherein the mode signal input pad includes:
• a first mode signal input pad receiving a red lighting inspection signal or a reference voltage according to the driving mode;
• and
• a second mode signal input pad receiving a green lighting inspection signal or a high-potential driving voltage according to the driving mode.