LIQUID CRYSTAL DISPLAY DEVICE

摘要

In a liquid crystal display device, a second substrate includes a detection electrode of a touch panel, pixels include pixel electrodes and counter electrodes, the counter electrodes are divided into a plurality of blocks, the counter electrodes of the divided blocks are provided in common to the pixels on a plurality of display lines being side by side, the counter electrodes of the divided blocks are used as scanning electrodes of the touch panel as well, the liquid crystal display device includes a semiconductor chip configured to supply a counter voltage and a touch panel scanning voltage to the counter electrodes of the divided blocks, the semiconductor chip includes a first terminal group formed on a side of a display area side configured by the plurality of pixels.

主权项

1. A display device comprising:
a first substrate including a plurality of pixel electrodes, a plurality of common electrodes, and a plurality of video lines extending along a first direction; a second substrate opposed to the first substrate; a display area displaying an image, and including the plurality of pixel electrodes and the plurality of common electrodes; and a semiconductor chip configured to supply a common voltage and a touch driving signal to the common electrodes, and a video signal to the plurality of video lines, wherein the plurality of common electrodes are used as a counter electrode of the plurality of pixel electrodes and as a touch driving electrode of a touch panel, the semiconductor chip includes a first long side and a second long side opposed to the first long side, the first long side extends along a second direction intersected with the first direction, and is located closer to the display area than the second long side, a plurality of first terminals of the semiconductor chip electrically connects with the plurality of common electrodes respectively, a plurality of second terminals of the semiconductor chip electrically connects with the plurality of video lines respectively, and the plurality of first terminals is located closer to an end of the first long side than the plurality of second terminals.