An array substrate, comprising: a base substrate; a first electrode layer on the base substrate, the first electrode layer comprising a plurality of first electrodes, each of the plurality of first electrodes comprising at least one first electrode unit, the first electrode unit comprising a plurality of strip electrodes, a plurality of slits between the plurality of strip electrodes, and at least one connection electrode at a periphery of the first electrode unit, wherein the plurality of strip electrodes are electrically connected to the connection electrode, and the connection electrode disconnects at one or more positions such that corresponding ends of one or more of the plurality of slits form openings at the one or more positions of the connection electrode, among the plurality of first electrodes of each row, two first electrode units at corresponding positions of two adjacent first electrode units respectively are connected, and there is no gap between the two adjacent first electrodes units, the two adjacent first electrode units are electrically connected to each other; the two first electrode units correspond to two sub-pixels respectively, and the two sub-pixels are controlled by two sub-pixel control units separately; and the two adjacent first electrode units are disposed between two adjacent gate lines and between two adjacent data lines; the connection electrode of each of the two adjacent first electrode units comprises a first sub-connection electrode between the two adjacent first electrode units, the plurality of strip electrodes in each of the two adjacent first electrode units is connected to the respective first sub-connection electrode, and first sub-connection electrodes of the two adjacent first electrode units form a unitary structure; the two adjacent first electrode units correspond to two adjacent sub-pixels respectively, and the unitary structure is disposed as a same, non-disconnected conductive line between the two adjacent sub-pixels. a base substrate; a first electrode layer on the base substrate, the first electrode layer comprising a plurality of first electrodes, each of the plurality of first electrodes comprising at least one first electrode unit, the first electrode unit comprising a plurality of strip electrodes, a plurality of slits between the plurality of strip electrodes, and at least one connection electrode at a periphery of the first electrode unit, wherein the plurality of strip electrodes are electrically connected to the connection electrode, and the connection electrode disconnects at one or more positions such that corresponding ends of one or more of the plurality of slits form openings at the one or more positions of the connection electrode, among the plurality of first electrodes of each row, two first electrode units at corresponding positions of two adjacent first electrode units respectively are connected, and there is no gap between the two adjacent first electrodes units, the two adjacent first electrode units are electrically connected to each other; the two first electrode units correspond to two sub-pixels respectively, and the two sub-pixels are controlled by two sub-pixel control units separately; and the two adjacent first electrode units are disposed between two adjacent gate lines and between two adjacent data lines; the connection electrode of each of the two adjacent first electrode units comprises a first sub-connection electrode between the two adjacent first electrode units, the plurality of strip electrodes in each of the two adjacent first electrode units is connected to the respective first sub-connection electrode, and first sub-connection electrodes of the two adjacent first electrode units form a unitary structure; the two adjacent first electrode units correspond to two adjacent sub-pixels respectively, and the unitary structure is disposed as a same, non-disconnected conductive line between the two adjacent sub-pixels.