Display apparatus including a second display area having second holes corresponsing to spaces between second pixels

A display apparatus comprising:

• a first display area of a substrate;
• a second display area of the substrate;
• first pixel electrodes disposed in the first display area;
• second pixel electrodes disposed in the second display area;
• at least one of an illuminance sensor and an infrared sensor disposed in the first display area;
• and
• a pixel-defining layer contacting the first pixel electrodes and the second pixel electrodes and including:
• first pixel openings in the first display area and corresponding to the first pixel electrodes;
• second pixel openings in the second display area and corresponding to the second pixel electrodes;
• first holes in the first display area and corresponding to spaces between the first pixel electrodes;
• and
• second holes in the second display area and corresponding to spaces between the second pixel electrodes.