Display device including touch screen

• US 10,304,910 B2
• Filed: 12/05/2017
• Issued: 05/28/2019
• Est. Priority Date: 12/15/2016
• Status: Active Grant

• Current Assignee: G2touch Co Ltd
• Original Assignee: G2touch Co Ltd
• Inventors: Lee, Sung Ho
• Primary Examiner(s): Wills-Burns, Chineyere D
• Application Number:
  US15/832,471
• Publication Number:
  US 20180175117A1
• Time in Patent Office: 539 Days
• Field of Search: 345174
• CPC Class Codes: G06F 2203/04112 Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/0443 using a single layer of sensing electrodes
• CPC Class Codes: H10K 50/805 Electrodes
• CPC Class Codes: H10K 59/122 Pixel-defining structures or layers, e.g. banks
• CPC Class Codes: H10K 59/353 characterised by the geometrical arrangement of the RGB subpixels
• CPC Class Codes: H10K 59/40 OLEDs integrated with touch screens
• CPC Class Codes: H10K 59/8052 Cathodes

Abstract

Disclosed herein is a display device including a touch screen. An organic light emitting diode (OLED) display device including a touch screen according to an exemplary embodiment of the present invention includes: a plurality of pixels including organic light emitting bodies; and a common electrode which applies a common voltage to the organic light emitting body, in which a plurality of touch sensors and a plurality of sensor lines are formed in a mesh pattern in a partial region of the common electrode corresponding to a boundary region between the organic light emitting bodies. Further, the present invention includes exemplary embodiments different from the described exemplary embodiment.

Claims

1. An organic light emitting diode (OLED) display device including a touch screen, the OLED display device comprising:

a plurality of pixels including organic light emitting bodies; and

a common electrode which applies a common voltage to the organic light emitting body, wherein a plurality of touch sensors and a plurality of sensor lines are formed in a mesh pattern and disposed in a partial region in the same layer as the common electrode corresponding to a boundary region between the organic light emitting bodies.

2. The OLED display device of claim 1, wherein the boundary region between the organic light emitting bodies and the partial region of the common electrode are vertically positioned on the same line.

3. The OLED display device of claim 1, wherein the plurality of touch sensors and the plurality of sensor lines are formed by one mask with the common electrode.

4. The OLED display device of claim 1, wherein the plurality of touch sensors is divided into sensing pads which detect a touch and non-sensing pads which do not detect a touch by a sequential scheme which follows a predetermined order.

5. The OLED display device of claim 1, wherein

the plurality of touch sensors and the plurality of sensor lines are vertically positioned on the same line with a source line or a gate line driving the pixel.

6. The OLED display device of claim 1, wherein the plurality of touch sensors is disposed in a dot matrix structure, and

the plurality of touch sensors has a different area according to a spacing distance between the touch sensor and a touch drive IC.

7. An organic light emitting diode (OLED) display device including a touch screen, the OLED comprising:

a plurality of pixels including organic light emitting bodies; and

a common electrode which applies a common voltage to the organic light emitting body, wherein touch sensors and sensor lines are formed in a mesh pattern and disposed at an upper side of a partial region on the layer of the common electrode corresponding to a boundary region between the organic emitting bodies.

8. The OLED display device of claim 7, wherein the boundary region between the organic light emitting bodies and the partial region of the common electrode are vertically positioned on the same line.

9. The OLED display device of claim 7, wherein the plurality of touch sensors and the plurality of sensor lines are formed by one mask with the common electrode.

10. The OLED display device of claim 7, wherein the plurality of touch sensors is divided into sensing pads which detect a touch and non-sensing pads which do not detect a touch by a sequential scheme which follows a predetermined order.

11. The OLED display device of claim 7, wherein the plurality of touch sensors and the plurality of sensor lines are vertically positioned on the same line with a source line or a gate line driving the pixel.

12. The OLED display device of claim 7, wherein the plurality of touch sensors is disposed in a dot matrix structure, and

the plurality of touch sensors has a different area according to a spacing distance between the touch sensor and a touch drive IC.