Color filter substrate having resistance-reduced common electrode and liquid crystal display panel made therefrom

A color filter substrate including a substrate, a transparent conductive film formed of a first conductive material exhibiting a first electrical resistance, a black array, and an auxiliary conductive layer formed of a second conductive material different from the first conductive material and exhibiting a second electrical resistance that is lower than the first electrical resistance of the transparent conductive film;

• wherein the black array is arranged between the substrate and the transparent conductive film;
• wherein the auxiliary conductive layer is disposed directly on a surface of the substrate facing the black array, and arranged between the substrate and the black array and located in an area under a shadow of the black array on the surface of the substrate;
• and
• wherein the auxiliary conductive layer is electrically in contact with the transparent conductive film so as to establish electrical interconnection between the transparent conductive film and the auxiliary conductive layer and combine the transparent conductive film and the auxiliary conductive layer together in such a way that the combination of the transparent conductive film and the auxiliary conductive layer exhibits an electrical resistance that is lower than the first electrical resistance of the transparent conductive film so that the transparent conductive film and the auxiliary conductive layer are respectively on opposite sides of the black array and collectively form a common electrode of the color filter substrate for transmission of an electrical signal and the common electrode has an effective resistance against the transmission of the electrical signal is lower than the first electrical resistance against the electrical signal transmitting through the transparent conductive film and the second electrical resistance against the electrical signal transmitting through the auxiliary conductive layer.

A liquid crystal panel including an array substrate, a liquid crystal layer, and a color filter substrate;

• wherein the color filter substrate includes a substrate, a transparent conductive film formed of a first conductive material exhibiting a first electrical resistance, a black array, and an auxiliary conductive layer formed of a second conductive material that is different from the first conductive material and exhibiting a second electrical resistance that is lower than the first electrical resistance of the transparent conductive film;
• wherein the black array is arranged between the substrate and the transparent film;
• wherein the auxiliary conductive layer is disposed directly on a surface of the substrate facing the black array, and arranged between the substrate and the black array and located under a shadow of the black array on the surface of the substrate, wherein the auxiliary conductive layer is electrically in contact with the transparent conductive film so as to establish electrical interconnection between the transparent conductive film and the auxiliary conductive layer and combine the transparent conductive film and the auxiliary conductive layer together in such a way that the combination of the transparent conductive film and the auxiliary conductive layer exhibits an electrical resistance that is lower than the first electrical resistance of the transparent conductive film so that the transparent conductive film and the auxiliary conductive layer are respectively on opposite sides of the black array and collectively form a common electrode of the color filter substrate for transmission of an electrical signal and the common electrode has an effective resistance against the transmission of the electrical signal is lower than the first electrical resistance against the electrical signal transmitting through the transparent conductive film and the second electrical resistance against the electrical signal transmitting through the auxiliary conductive layer;
• and
• wherein the liquid crystal layer is arranged between the transparent conductive film and the array substrate.