A display panel includes a substrate, a plurality of pixels, and a black matrix. The pixels are disposed on the substrate. The black matrix is disposed between the pixels. The black matrix includes a first sub-portion, a second sub-portion, and a third sub-portion. The first sub-portion, the second sub-portion, and the third sub-portion are disposed side by side. The first sub-portion has a first width, the second sub-portion has a second portion, and the third sub-portion has a third width. The first width, the second width, and the third width are in an ascending order.