a display liquid crystal panel and a light control panel that are stacked, wherein the display liquid crystal panel comprises a first substrate and a second substrate that are opposite to each other, and a display liquid crystal layer between the first substrate and the second substrate; the light control panel comprises a third substrate and a fourth substrate that are opposite to each other, and a light control liquid crystal layer between the third substrate and the fourth substrate; and the second substrate and the third substrate are between the first substrate and the fourth substrate;

a first polarizer;

a second polarizer, wherein the light control liquid crystal layer is between the first polarizer and the second polarizer; and

a third polarizer, wherein the first polarizer is between the second polarizer and the third polarizer, and the display liquid crystal layer is between the first polarizer and the third polarizer; the first polarizer, the second polarizer, and the third polarizer are configured to allow backlight to emit out of the display panel after passing through the second polarizer, the first polarizer, and the third polarizer in sequence;

the second polarizer is a reflective polarizer, and the reflective polarizer is a wire-grid polarizer (WGP) with a plurality of stripe grids;

the second substrate and the third substrate constitute an integral structure, the integral structure serves as a common substrate, and the display liquid crystal panel and the light control panel share the common substrate;

the second polarizer is on a side of the fourth substrate away from the common substrate;

the first polarizer is a wire-grid polarizer (WGP) with a plurality of stripe grids, and is on the common substrate;

the display panel the further comprises:

a first protection layer, on the side of the fourth substrate away from the common substrate and covering the second polarizer; and

a second protection layer, on the common substrate and covering the first polarizer.