A liquid crystal display apparatus including a liquid crystal display panel and a backlight module, the liquid crystal display panel having a plurality of pixels for image display, each of which includes a subpixel region and an inter-subpixel region, the liquid crystal display panel comprising an array substrate, a package substrate facing the array substrate, and a liquid crystal layer between the array substrate and the package substrate (102, wherein the backlight module is attached to the side of the array substrate distal to the package substrate; the liquid crystal display panel further comprising: a pixel electrode layer and a common electrode layer for applying an electric field for driving the liquid crystal layer, the pixel electrode layer comprising a plurality of pixel electrodes, the common electrode layer comprising a plurality of common electrodes; a first electrode signal line layer comprising a plurality of first electrode signal lines; and a plurality of circuits, each of the plurality of circuits comprising an output terminal electrically connected to a first electrode signal line of the first electrode signal line layer, an input terminal configured to receive an input voltage, and a control terminal configured to receive a control voltage; characterised in that, the first electrode signal line layer is a touch electrode layer comprising a plurality of touch electrodes forming said first electrode signal lines and being adapted for detecting touch; at least a portion of the first electrode signal line electrically connected to the output terminal is in the inter-subpixel region of the liquid crystal display panel; and the portion of the first electrode signal line in the inter-subpixel region of the liquid crystal display panel is configured to generate an additional electric field with at least one of the common electrode, the pixel electrode, and another first electrode signal line in response to the input voltage being passed on by a respective one of said circuits to the portion of the first electrode signal line; the additional electric field is applied to the liquid crystal layer for enhancing light transmittance of the liquid crystal layer. a pixel electrode layer and a common electrode layer for applying an electric field for driving the liquid crystal layer, the pixel electrode layer comprising a plurality of pixel electrodes, the common electrode layer comprising a plurality of common electrodes; a first electrode signal line layer comprising a plurality of first electrode signal lines; and a plurality of circuits, each of the plurality of circuits comprising an output terminal electrically connected to a first electrode signal line of the first electrode signal line layer, an input terminal configured to receive an input voltage, and a control terminal configured to receive a control voltage; characterised in that, the first electrode signal line layer is a touch electrode layer comprising a plurality of touch electrodes forming said first electrode signal lines and being adapted for detecting touch; at least a portion of the first electrode signal line electrically connected to the output terminal is in the inter-subpixel region of the liquid crystal display panel; and the portion of the first electrode signal line in the inter-subpixel region of the liquid crystal display panel is configured to generate an additional electric field with at least one of the common electrode, the pixel electrode, and another first electrode signal line in response to the input voltage being passed on by a respective one of said circuits to the portion of the first electrode signal line; the additional electric field is applied to the liquid crystal layer for enhancing light transmittance of the liquid crystal layer.