A display apparatus, comprising: a display module; and a camera module; wherein: the camera module is within a display area of the display module; the camera module is over a side of the display module distal to a light-emitting surface of the display module; and the display area of the display module comprises a light-incident region positionally corresponding to a lens of the camera module, wherein the light-incident region is configured to allow light from a side of the display apparatus proximal to the light-emitting surface of the display module to pass therethrough to thereby enter the lens of the camera module, and wherein the display module comprises a liquid crystal cell, the liquid crystal cell comprises an array substrate, a liquid crystal layer, and an opposing substrate, sequentially stacked over one another along a direction of light transmission, the liquid crystal layer covers the light-incident region, the display module further comprises a driving electrode layer at a position of the liquid crystal cell corresponding to the light-incident region, the driving electrode layer is configured to generate an electric field in a portion of the liquid crystal layer positionally corresponding to the light-incident region to drive liquid crystal molecules in said portion of the liquid crystal layer to deflect, the electric field generated by the driving electrode layer being independent from any of electric fields generated in portions of the liquid crystal layer positionally corresponding to regions of the display area other than the light-incident region, characterized in that the electric field generated by said electrode layer in said portion of the liquid crystal layer positionally corresponding to the light-incident region is configured to adjust an incidence angle of light that enters the lens of the camera module to realize zooming of the lens of the camera module. a display module; and a camera module; wherein: the camera module is within a display area of the display module; the camera module is over a side of the display module distal to a light-emitting surface of the display module; and the display area of the display module comprises a light-incident region positionally corresponding to a lens of the camera module, wherein the light-incident region is configured to allow light from a side of the display apparatus proximal to the light-emitting surface of the display module to pass therethrough to thereby enter the lens of the camera module, and wherein the display module comprises a liquid crystal cell, the liquid crystal cell comprises an array substrate, a liquid crystal layer, and an opposing substrate, sequentially stacked over one another along a direction of light transmission, the liquid crystal layer covers the light-incident region, the display module further comprises a driving electrode layer at a position of the liquid crystal cell corresponding to the light-incident region, the driving electrode layer is configured to generate an electric field in a portion of the liquid crystal layer positionally corresponding to the light-incident region to drive liquid crystal molecules in said portion of the liquid crystal layer to deflect, the electric field generated by the driving electrode layer being independent from any of electric fields generated in portions of the liquid crystal layer positionally corresponding to regions of the display area other than the light-incident region, characterized in that the electric field generated by said electrode layer in said portion of the liquid crystal layer positionally corresponding to the light-incident region is configured to adjust an incidence angle of light that enters the lens of the camera module to realize zooming of the lens of the camera module. the camera module is within a display area of the display module; the camera module is over a side of the display module distal to a light-emitting surface of the display module; and the display area of the display module comprises a light-incident region positionally corresponding to a lens of the camera module, wherein the light-incident region is configured to allow light from a side of the display apparatus proximal to the light-emitting surface of the display module to pass therethrough to thereby enter the lens of the camera module, and wherein the display module comprises a liquid crystal cell, the liquid crystal cell comprises an array substrate, a liquid crystal layer, and an opposing substrate, sequentially stacked over one another along a direction of light transmission, the liquid crystal layer covers the light-incident region, the display module further comprises a driving electrode layer at a position of the liquid crystal cell corresponding to the light-incident region, the driving electrode layer is configured to generate an electric field in a portion of the liquid crystal layer positionally corresponding to the light-incident region to drive liquid crystal molecules in said portion of the liquid crystal layer to deflect, the electric field generated by the driving electrode layer being independent from any of electric fields generated in portions of the liquid crystal layer positionally corresponding to regions of the display area other than the light-incident region, characterized in that the electric field generated by said electrode layer in said portion of the liquid crystal layer positionally corresponding to the light-incident region is configured to adjust an incidence angle of light that enters the lens of the camera module to realize zooming of the lens of the camera module.