Touch display device
AssigneeLG Display Co., Ltd.
InventorsYangsik Lee, SangHyuck Bae
Life of this patent
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Abstract
A touch display device can include a substrate including a display area and a non-display area, a first touch electrode disposed on the substrate in the display area, a first touch line electrically connected to a touch pad disposed in the non-display area, a buffer layer disposed on the first touch electrode or the first touch line, a first driving transistor disposed on the buffer layer and included in a first sub-pixel overlapping the first touch electrode, a first gate line connected to the first sub-pixel, a first touch gate line disposed in parallel to the first gate line, and a first touch driving transistor disposed in the display area and controlling a connection between the first touch line and the first touch electrode.
Claims18
A touch display device comprising:
- a substrate comprising a display area and a non-display area;
- a first touch electrode disposed on the substrate in the display area;
- a first touch line electrically connected to a touch pad disposed in the non-display area;
- a buffer layer disposed on the first touch electrode or the first touch line;
- a first driving transistor disposed on the buffer layer and included in a first subpixel overlapping the first touch electrode;
- a first gate line connected to the first subpixel;
- a first touch gate line disposed in parallel to the first gate line;
- and
- a first touch driving transistor disposed in the display area, and configured to control a connection between the first touch line and the first touch electrode,
- wherein the touch display device further comprises a first switching signal line for delivering a first switching signal for turning on the first touch driving transistor, and a first control transistor for controlling a connection between the first touch gate line and the first switching signal line.
A touch display device comprising:
- a substrate comprising a display area and a non-display area;
- a first touch electrode and a second touch electrode disposed in the display area;
- a first driving transistor disposed adjacent to the first touch electrode;
- a second driving transistor disposed adjacent to the second touch electrode;
- a first touch line electrically connected to the first touch electrode through a first touch driving transistor and electrically connected to the second touch electrode through a second touch driving transistor;
- a first touch gate line electrically connected to a gate node of the first touch driving transistor;
- and
- a second touch gate line electrically connected to a gate node of the second touch driving transistor,
- wherein the touch display device further comprises:
- a first switching signal line for delivering a first switching signal for turning on the first touch driving transistor;
- a second switching signal line for delivering a second switching signal for turning on the second touch driving transistor;
- a first control transistor for controlling a connection between the first touch gate line and the first switching signal line;
- and
- a second control transistor for controlling a connection between the second touch gate line and the second switching signal line, and
- wherein the first control transistor and the second control transistor are disposed in the non-display area.
A touch display device comprising:
- a substrate comprising a display area and a non-display area;
- a first touch electrode and a second touch electrode disposed in the display area;
- a first touch driving transistor disposed adjacent to the first touch electrode;
- a second touch driving transistor disposed adjacent to the second touch electrode;
- a first touch line electrically connected to the first touch electrode through the first touch driving transistor and electrically connected to the second touch electrode through the second touch driving transistor;
- and
- a controlling circuit disposed to control the first touch driving transistor and the second touch driving transistor, and to supply touch driving signal to the first touch electrode or the second touch electrode through the first touch line,
- wherein the touch display device further comprises a first switching signal line for delivering a first switching signal for turning on the first touch driving transistor and the second touch driving transistor.
Dependencies are inferred from the claim text.