A display apparatus includes a first substrate and a color filter layer. The first substrate has a curved first side and a display area. The first side has at least a curvature radius and the range of the curvature radius is between 500 mm and 10000 mm. At least a datum line is defined in the display area. The color filter layer is disposed on the first substrate and includes a plurality of filter portions. The filter portions are disposed within the display area. An included angle between the datum line and the first side is between 0° and 10°, and the filter portions located corresponding to the datum line have the same color.