Touch screen display device
First Claim
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1. A touch screen display device, comprising:
- a plurality of pixels; and
a plurality of touch sensing units, each touch sensing unit including a sensing transistor;
a first touch electrode between a gate electrode and a semiconductor layer of the sensing transistor;
a second touch electrode spaced from the first touch electrode; and
a coupling portion to couple the first and second touch electrodes, wherein;
each of the pixels includes an organic light emitting diode,the first touch electrode is in a layer that extends between the gate electrode of the sensing transistor and the semiconductor layer of the sensing transistor and that extends between a gate electrode of a transistor in at least one of the pixels and a semiconductor layer of the transistor in at least one of the pixels, andthe second touch electrode is substantially coplanar with an electrode of the organic light emitting diode in at least one of the pixels.
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Abstract
A touch screen display device includes a plurality of pixels and a plurality of touch sensing units. Each touch sensing unit includes a sensing transistor, a first touch electrode between a gate electrode and a semiconductor layer of the sensing transistor, a second touch electrode spaced from the first touch electrode, and a coupling portion to couple the first and second touch electrodes.
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Citations
17 Claims
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1. A touch screen display device, comprising:
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a plurality of pixels; and a plurality of touch sensing units, each touch sensing unit including a sensing transistor;
a first touch electrode between a gate electrode and a semiconductor layer of the sensing transistor;
a second touch electrode spaced from the first touch electrode; and
a coupling portion to couple the first and second touch electrodes, wherein;each of the pixels includes an organic light emitting diode, the first touch electrode is in a layer that extends between the gate electrode of the sensing transistor and the semiconductor layer of the sensing transistor and that extends between a gate electrode of a transistor in at least one of the pixels and a semiconductor layer of the transistor in at least one of the pixels, and the second touch electrode is substantially coplanar with an electrode of the organic light emitting diode in at least one of the pixels. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An apparatus, comprising:
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a touch sensor; and a pixel adjacent the touch sensor, wherein the touch sensor includes a first transistor and the pixel includes a second transistor, wherein gates of the first and second transistors are substantially coplanar on a first layer and sources and drains of the first and second transistors are substantially coplanar on a second layer, and wherein; the pixel includes an organic light emitting diode, the touch sensor includes a first electrode and a second electrode, the first electrode is in a layer that extends between the gate of the first transistor and the source and drains of the first transistor and that extends between the gate of the second transistor and the source and drains of the second transistor, and the second electrode is connected to the first electrode and is substantially coplanar with an electrode of the organic light emitting diode.
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Specification