Liquid crystal display device
First Claim
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,whereinthe 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, andthe plurality of first terminals is located closer to an end of the first long side than the plurality of second terminals.
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Accused Products
Abstract
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.
9 Citations
16 Claims
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1. A display device comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A display device comprising:
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a display panel including a display area; a plurality of pixels including a pixel electrode and a counter electrode, and arranged in a matrix shape for forming the display area; a plurality of video lines extending along a first direction; and a semiconductor chip configured to supply a common voltage and a touch panel voltage to the counter electrodes, and a video signal to the plurality of video lines, wherein the counter electrode is opposed to the pixel electrode of the pixels, and used as a touch electrodes 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 disposed nearer to the display area than the second long side, a plurality of first terminals of the semiconductor chip electrically connect with the counter electrodes respectively, a plurality of second terminals of the semiconductor chip electrically connect with the plurality of video lines respectively, the plurality of second terminal is disposed above a portion where is nearer to the first long side than the second long side, and the plurality of first terminals is disposed nearer to an end of the first long side than the plurality of second terminals. - View Dependent Claims (9, 10, 11)
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12. A display device comprising:
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a display panel including a display area; a plurality of pixels including a pixel electrode and a common electrode, and arranged in a matrix shape for forming the display area; a plurality of video lines extending along a first direction; and a semiconductor chip configured to supply a common voltage and a touch panel voltage to the common electrode, and a video signal to the plurality of video lines, wherein the common electrode is opposed to the pixel electrode of the pixels, and used as a touch electrodes 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 disposed closer to the display area than the second long side, a plurality of first terminals of the semiconductor chip electrically connect with the common electrodes respectively, a plurality of second terminals of the semiconductor chip electrically connect with the plurality of video lines respectively, the plurality of second terminal is disposed above a portion where is closer to the first long side than the second long side, and the plurality of first terminals is disposed closer to an end of the first long side than the plurality of second terminals. - View Dependent Claims (13, 14, 15, 16)
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Specification