A photodetection backplane, a liquid crystal display panel and a liquid crystal display apparatus are provided. The photodetection backplane includes: a base substrate; a first organic switching unit arranged at a side of the base substrate; and an organic photodetector arranged at a same side of the base substrate as the first organic switching unit. The organic photodetector is electrically connected to the first organic switching unit, and at least one film layer of the organic photodetector and a film layer of the first organic switching unit are arranged in a same layer and made of a same material.
(FIG. 1)