A liquid crystal display panel is disclosed, which includes: a first substrate with a pixel electrode region and a non-pixel electrode region; a thin film transistor unit disposed on the first substrate a first alignment layer disposed on the pixel electrode region and the non-pixel electrode region; and a plurality of color filter units disposed between the first substrate and the first alignment layer, wherein one of the color filter units includes a color filter opening to expose a part of a drain electrode of the thin film transistor unit. Herein, a region of the pixel electrode without overlapping the thin film transistor unit is defined as a non-overlapping region, the first alignment layer corresponding to the non-overlapping region has a first thickness, the first alignment layer corresponding to the color filter opening has a second thickness, and the second thickness is greater than the first thickness.