Light source module and display device using the same

A light source module, comprising:

• an optical plate, having a light incident surface and a light exit surface;
• a light source, disposed beside the light incident surface;
• and
• a dimming liquid crystal panel, disposed opposite to the light exit surface and comprising a first driving substrate, a second driving substrate and a liquid crystal material layer disposed between the first driving substrate and the second driving substrate, wherein,
• the first driving substrate comprises a first substrate and a common electrode disposed on the first substrate;
• the second driving substrate comprises a second substrate, a plurality of independent electrodes, a plurality of first signal pads, a plurality of first wires, a plurality of dummy wires and a first transparent insulation layer, wherein the first wires and the dummy wires are disposed on the second substrate and covered by the first transparent insulation layer, the first wires are further exposed from the first transparent insulation layer, the independent electrodes are insulated from each other and disposed on the first transparent insulation layer, the independent electrodes overlap the first wires and the dummy wires, the first signal pads are disposed on at least one side of the second substrate, and each of the independent electrodes is electrically connected to one of the first signal pads via one of the first wires,
• wherein the first driving substrate further comprises a plurality of second signal pads, a plurality of second wires, a plurality of third dummy wires, a plurality of fourth dummy wires and a second transparent insulation layer, wherein the second wires, the third dummy wires and the fourth dummy wires are disposed on the first substrate and covered by the second transparent insulation layer, the second wires are further exposed from the second transparent insulation layer,
• wherein the common electrode comprises a plurality of independent sub-electrodes, the independent sub-electrodes are insulated from each other and disposed on the second transparent insulation layer, the independent sub-electrodes overlap the second wires, the third dummy wires and the fourth the dummy wires, the second signal pads are disposed on at least one side of the first substrate, and each of the independent sub-electrodes is electrically connected to one of the second signal pads via one of the second wires,
• wherein the independent sub-electrodes are arranged in a matrix, and a plurality of third intervals extended in a second direction and a plurality of fourth intervals extended in a first direction crossing with the second direction are formed between the independent sub-electrodes, wherein portions of the second wires overlapped with the independent sub-electrodes are extended in the second direction,
• wherein the fourth dummy wires are extended in the first direction and equidistantly arranged, portions of the fourth dummy wires are crossed but disconnected with the second wires, another portion of the fourth dummy wires are overlapped with the fourth intervals.

A display device, comprising a light source module and a display panel, and

• the light source module comprising:
• an optical plate, having a light incident surface and a light exit surface;
• a light source, disposed beside the light incident surface;
• and
• a dimming liquid crystal panel, disposed opposite to the light exit surface and comprising a first driving substrate, a second driving substrate and a liquid crystal material layer disposed between the first driving substrate and the second driving substrate, wherein, the first driving substrate comprises a first substrate and a common electrode disposed on the first substrate;
• and
• the second driving substrate is disposed opposite to the first driving substrate and comprises a plurality of independent electrodes, a plurality of first signal pads, a plurality of first wires, a plurality of dummy wires and a first transparent insulation layer, wherein the first wires and the dummy wires are disposed on the second substrate and covered by the first transparent insulation layer, the first wires are further exposed from the first transparent insulation layer, the independent electrodes are insulated from each other and disposed on the first transparent insulation layer, the independent electrodes overlap the first wires and the dummy wires, the first signal pads are disposed on at least one side of the second substrate, and each of the independent electrodes is electrically connected to one of the first signal pads via one of the first wires,
• wherein the first driving substrate further comprises a plurality of second signal pads, a plurality of second wires, a plurality of third dummy wires, a plurality of fourth dummy wires and a second transparent insulation layer, wherein the second wires, the third dummy wires and the fourth dummy wires are disposed on the first substrate and covered by the second transparent insulation layer, the second wires are further exposed from the second transparent insulation layer,
• wherein the common electrode comprises a plurality of independent sub-electrodes, the independent sub-electrodes are insulated from each other and disposed on the second transparent insulation layer, the independent sub-electrodes overlap the second wires, the third dummy wires and the fourth the dummy wires, the second signal pads are disposed on at least one side of the first substrate, and each of the independent sub-electrodes is electrically connected to one of the second signal pads via one of the second wires,
• wherein the independent sub-electrodes are arranged in a matrix, and a plurality of third intervals extended in a second direction and a plurality of fourth intervals extended in a first direction crossing with the second direction are formed between the independent sub-electrodes, wherein portions of the second wires overlapped with the independent sub-electrodes are extended in the second direction,
• wherein the third dummy wires are extended in the second direction and equidistantly arranged, portions of the third dummy wires are aligned but disconnected with the second wires, portions of the third dummy wires are disposed between the second wires and overlapped with the independent sub-electrodes, another portion of the third dummy wires are overlapped with the third intervals,
• wherein the display panel is disposed on a side of the dimming liquid crystal panel away from the optical plate.