The present disclosure provides a control unit of display device and a display device. The control unit of display device includes: a back plate a plurality of circuit structures, the plurality of circuit structures being arranged on the back plate; a plurality of electric field shielding structures, each of the electric field shielding structures being arranged between the circuit structures and configured to shield an electric field between the circuit structures, wherein each of the electric field shielding structures includes a plurality of shielding strips, the plurality of shielding strips are spaced apart from each other and projections of the shielding strips on a corresponding side of the circuit structure are continuous and uninterrupted.