Abstract: A display substrate including a base substrate and an optical functional layer provided on the base substrate. The optical functional layer includes a black matrix providing a plurality of first shading strips and a plurality of second shading strips. The plurality of first shading strips intersect with the plurality of second shading strips so as to divide the display substrate into a plurality of pixel units. A thickness of the first shading strips is different from that of the second shading strips.

Abstract: The present disclosure provides a display substrate, a display panel and a method for repairing bright spots in a display panel. The display substrate includes a base substrate and an optical functional layer provided on the base substrate, the optical functional layer includes a black matrix, the black matrix includes a plurality of first shading strips and a plurality of second shading strips, and the plurality of first shading strips intersect with the plurality of second shading strips so as to divide the display substrate into a plurality of pixel units, wherein a thickness of the first shading strips is different from that of the second shading strips.