A liquid crystal display panel includes a plurality of pixel units arranged in an array, and a plurality of fingerprint identification units arranged in one-to-one correspondence with the plurality of pixel units; each of the pixel units includes four sub-pixels arranged in two rows and two columns, the four sub-pixels include a white sub-pixel; and each projection of each of the fingerprint identification units in a direction perpendicular to the liquid crystal display panel covers a portion of the white sub-pixel in its corresponding pixel unit.