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US 10,120,473 B2Granted
Touch sensor integrated type display device
AssigneeLG Display Co., Ltd.
InventorsDeukSu Lee, Taeyun Kim
Life of this patent
Estimating the term…
Abstract
Touch sensor integrated type display device improves display quality by preventing display defects due to electric field difference in pixels. The display device includes a plurality of gate lines and a plurality of data lines that cross each other, a plurality of combination touch and common electrodes, a plurality of main routing wires and a plurality of auxiliary routing wires. The plurality of combination touch and common electrodes have a same number of the plurality of main routing wires and the plurality of auxiliary routing wires that overlap each of the plurality of combination touch and common electrodes.
Claims18
A touch sensor integrated type display device having an active area and a bezel area outside the active area, comprising:
- a plurality of gate lines and a plurality of data lines configured to cross over each other;
- a plurality of pixel electrodes configured to be disposed between the plurality of data lines;
- a plurality of touch/common electrodes, each of the plurality of touch/common electrodes configured to be overlapped with m×n pixel electrodes in the active area, wherein the m is a number of the pixel electrodes arranged in a first direction and the n is a number of the pixel electrodes arranged in a second direction crossing the first direction, and the m and n are a positive integer same to or larger than two;
- a plurality of main routing wires, each of the plurality of main routing wires being connected to a corresponding one of the plurality of touch/common electrode, and extended from the active area to one side of the bezel area;
- and
- a plurality of auxiliary routing wires configured to be connected to a corresponding one of the plurality of touch/common electrodes in an area corresponding to the each touch/electrode, and to be in parallel with the plurality of main routing wires, wherein each of the plurality of touch/common electrodes is connected to a same number of auxiliary routing wires;
- wherein a number of main routing wires connected to each of the touch/common electrodes adjacent to each other in the active area is same and each of the main routing wires overlaps with a same number of the touch/common;
- and
- wherein all of the plurality of auxiliary routing wires that are connected to the corresponding one of the plurality of touch/common electrodes are to one side of a main routing wire connected to the corresponding one of the plurality of touch/common electrodes.
6 more elements
A touch sensor integrated type display device having an active area and a bezel area outside the active area, comprising:
- a plurality of gate lines;
- a plurality of data lines configured to cross over the plurality of gate lines;
- a plurality of pixel electrodes configured to be disposed between the plurality of data lines;
- a plurality of touch/common electrodes including a first touch/common electrode and a second touch/common electrode, each of the plurality of touch/common electrodes configured to be overlapped with m pixel electrodes arranged in a first direction and n pixel electrodes arranged in a second direction crossing the first direction in the active area, wherein m and n are a positive integer same to or larger than two;
- a plurality of main routing wires, each of the plurality of main routing wires configured to be respectively connected to a corresponding one of the plurality of touch/common electrodes, be arranged in parallel with each other, and be overlapped with some of the plurality of data lines;
- a plurality of auxiliary routing wires configured to be connected to the plurality of touch/common electrodes, and to be overlapped with others of the plurality of data lines, wherein each of the plurality of touch/common electrodes is connected to a same number of auxiliary routing wires;
- and
- a driving circuit that outputs a touch driving signal to the plurality of touch/common electrodes, the touch driving signal output to the plurality of touch/common electrodes via the plurality of main routing wires but not output via the plurality of auxiliary routing wires, and
- wherein the first touch/common electrode is farther from the driving circuit than the second touch/common electrode is from the driving circuit, and wherein a first main routing wire that connects the first touch/common electrode to the driving circuit overlaps with the first touch/common electrode and the second touch/common electrode, and a second main routing wire that connects the second touch/common electrode to the driving circuit overlaps with the first touch/common electrode and the second touch/common electrode;
- and
- wherein all of a plurality of auxiliary routing wires that are connected to a touch/common electrode from the plurality of touch/common electrodes are to one side of a main routing wire that is connected to the touch/common electrode.
8 more elements
A touch sensor integrated type display device having an active area and a bezel area outside the active area, comprising:
- a plurality of gate lines and a plurality of data lines configured to cross over each other;
- a plurality of pixel electrodes configured to be disposed between the plurality of data lines;
- a plurality of touch/common electrodes, each of the plurality of touch/common electrodes configured to form electric fields with m×n pixel electrodes in the active area, wherein the m is a number of the pixel electrodes arranged in a first direction and the n is a number of the pixel electrodes arranged in a second direction crossing the first direction, and the m and n are a positive integer same to or larger than two;
- a plurality of main routing wires, each of the plurality of main routing wires being connected to a corresponding one of the plurality of touch/common electrode, and extended from the active area to one side of the bezel area;
- and
- a plurality of auxiliary routing wires configured to be connected to a corresponding one of the plurality of touch/common electrodes in an area corresponding to the each touch/common electrode, and to be in parallel with the plurality of main routing wires,
- wherein the plurality of touch/common electrodes include a 1-1 touch/common electrode, a 1-2 touch/common electrode, a 2-1 touch/common electrode and a 2-2 touch/common electrode,
- wherein the 1-2 touch/common electrode disposed below the 1-1 touch/common electrode, the 2-1 touch/common electrode disposed at the right side of the 1-1 touch/common electrode with a first gap and the 2-2 touch/common electrode disposed at the right side of the 1-2 touch/common electrode with a second gap,
- wherein other touch/common electrodes does not disposed in the first gap and the second gap,
- wherein the plurality of main routing wires include a 1-1 main routing wire, a 1-2 main routing wire, 2-1 main routing wire and 2-2 main routing wire,
- wherein the 1-1 main routing wire is electrically connected to the 1-1 touch/common electrode, the 1-2 main routing wire is electrically connected to the 1-2 touch/common electrode, the 2-1 main routing wire is electrically connected to the 2-1 touch/common electrode, the 2-2 main routing wire is electrically connected to the 2-2 touch/common electrode,
- wherein the 1-1 main routing wire overlaps with the 1-1 touch/common electrode and the 1-2 touch/common electrode, the 1-2 main routing wire overlaps with the 1-2 touch/common electrode, the 2-1 main routing wire overlaps with the 2-1 touch/common electrode and the 2-2 touch/common electrode, the 2-2 main routing wire overlaps with the 2-2 touch/common electrode,
- wherein the plurality of auxiliary routing wires include a 1-1-a auxiliary routing wire, a 1-1-b auxiliary routing wire, a 1-2-a auxiliary routing wire, a 2-1-a auxiliary routing wire, a 2-1-b auxiliary routing wire and a 2-2-a auxiliary routing wire,
- wherein the 1-1-a auxiliary routing wire and the 1-1-b auxiliary routing wire are electrically connected to the 1-1 touch/common electrode, the 1-2-a auxiliary routing wire is electrically connected to the 1-2 touch/common electrode, the 2-1-a auxiliary routing wire and the 2-1-b auxiliary routing wire are electrically connected to the 2-1 touch/common electrode, the 2-2-a auxiliary routing wire is electrically connected to the 2-2 touch/common electrode,
- wherein the plurality of data lines include a 1-1 data line, a 1-2 data line, a 1-3 data line, a 2-1 data line, a 2-2 data line and a 2-3 data line,
- wherein the 1-1 data line overlaps with the 1-1 main routing wire, the 1-2 data line overlaps with the 1-2 main routing wire and the 1-1-a auxiliary routing wire, the 1-3 data line overlaps with the 1-1-b auxiliary routing wire and the 1-2-a auxiliary routing wire,
- wherein the 2-1 data line overlaps with the 2-1 main routing wire, the 2-2 data line overlaps with the 2-2 main routing wire and the 2-1-a auxiliary routing wire, the 2-3 data line overlaps with the 2-1-b auxiliary routing wire and the 2-2-a auxiliary routing wire.
14 more elements
Dependencies are inferred from the claim text.