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 . <EOS>