An array substrate, a light control panel and a display device are provided. The array substrate includes a plurality of gate lines respectively extending along a first direction, a plurality of data lines respectively extending along a second direction intersected with the first direction, and a plurality of light control pixel units. Each of the plurality of gate lines includes a plurality of grid parts arranged side by side along the first direction and connected in sequence, and each of the plurality of grid parts includes a grid line and an opening area surrounded by the grid line.