ARRAY SUBSTRATE, COLOR FILTER SUBSTRATE, TOUCH CONTROL DISPLAY DEVICE AND METHODS FOR DRIVING THE SAME

• US 20170329453A1
• Filed: 08/01/2017
• Published: 11/16/2017
• Est. Priority Date: 12/31/2013
• Status: Active Grant

• Current Assignee: Shanghai Tianma Micro-Electronics Company Limited (Tianma Microelectronics Company Limited), Tianma Microelectronics Company Limited
• Original Assignee: Shanghai Tianma Micro-Electronics Company Limited (Tianma Microelectronics Company Limited), Tianma Microelectronics Company Limited
• Inventors: LIU, Baoling, DU, Lingxiao, YAO, Qijun, MA, Jun
• Granted Patent: US 10,459,567 B2
• Time in Patent Office: Days
• CPC Class Codes: G02F 1/136209 Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
• CPC Class Codes: G02F 1/136222 Colour filters incorporated in the active matrix substrate
• CPC Class Codes: G02F 1/1368 in which the switching element is a three-electrode device G02F1/136277 takes precedence
• CPC Class Codes: G06F 2203/04111 Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/04166 Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving Synchronisation with the driving of the display or the backlighting unit to avoid interferences generated internally G06F3/04184
• CPC Class Codes: G06F 3/0443 using a single layer of sensing electrodes

Abstract

The disclosure provides an array substrate and a color filter substrate of a capacitive touch control screen, a touch control display device and a method for driving the touch control display device, so as to achieve the self-capacitive multi-point touch. The array substrate of the capacitive touch control screen includes: a peripheral area and a display area; a plurality of pixel units with pixel electrodes arranged in the display area; a plurality of touch control electrodes; and touch control electrode lead wires connected with a module configured to detect a touch control signal, wherein each of the touch control electrodes is connected respectively with one of the touch control electrode lead wires.

Claims

1. An array substrate of a capacitive touch control screen, comprising:

a peripheral area and a display area;

a plurality of pixel units with pixel electrodes positioned in the display area;

a plurality of touch control electrodes positioned in the display area, wherein the plurality of touch control electrodes are arranged in M*N matrix, M being an integer larger than or equal to 3, N being an integer larger than or equal to 3; and

a plurality of touch control electrode lead wires, wherein each of the touch control electrodes is connected respectively with one of the touch control electrode lead wires; and

, wherein

each of the touch control electrodes and one of the touch control electrode lead wires are connected to form a touch control unit, and at least part of touch control electrode lead wires are led out from the display area.

2. The array substrate of the capacitive touch control screen according to claim 1, further comprising a common electrode positioned above or below the pixel electrodes, wherein the common electrode acts as the touch control electrodes.

3. The array substrate of the capacitive touch control screen according to claim 2, further comprising a first metal layer electrically connected with the common electrode and positioned in non-display areas between the pixel units.

4. The array substrate of the capacitive touch control screen according to claim 3, wherein the touch control electrode lead wires comprise the first metal layer or the common electrode, and at least part of the touch control electrode lead wires are led out from two sides or a single side of the peripheral area to a module configured to detect a touch control signal.

5. The array substrate of the capacitive touch control screen according to claim 3, wherein the touch control electrode lead wires comprise the first metal layer or the common electrode, and at least part of the touch control electrode lead wires are led out from the display area to a module configured to detect a touch control signal.

6. The array substrate of the capacitive touch control screen according to claim 1, wherein the touch control electrode lead wires comprise a gate metal layer or a source metal layer or a drain metal layer, the plurality of touch control electrodes are connected to the touch control electrode lead wires through via holes in an edge area of the display area, and at least part of the touch control electrode lead wires are led out from two sides or a single side of the peripheral area to a module configured to detect a touch control signal.

7. The array substrate of the capacitive touch control screen according to claim 1, wherein the touch control electrodes receive a touch control scanning signal concurrently, and the touch control electrode lead wires are connected with a module configured to detect a touch control signal to detect signals of the respective touch control electrodes respectively.

8. The array substrate of the capacitive touch control screen according to claim 1, wherein the touch control electrode is a rectangle touch control electrode.

9. An array substrate of a capacitive touch control screen, comprising:

a peripheral area and a display area;

a plurality of pixel units with pixel electrodes positioned in the display area;

a plurality of touch control electrodes positioned in the display area, wherein the plurality of touch control electrodes are arranged in M*N matrix, M being an integer larger than or equal to 3, N being an integer larger than or equal to 3; and

a plurality of touch control electrode lead wires, wherein each of the touch control electrodes is connected respectively with at least one of the touch control electrode lead wires; and

, wherein

each of the touch control electrodes and the at least one of the touch control electrode lead wires are connected to form a touch control unit, and at least part of touch control electrode lead wires are led out from the display area.