A TOUCH CONTROL DISPLAY DEVICE

• US 20160259193A1
• Filed: 06/06/2014
• Published: 09/08/2016
• Est. Priority Date: 11/13/2013
• Status: Abandoned Application

• Current Assignee: BOE Technology Group Co., Ltd., Chengdu BOE Optoelectronics Technology Company Limited (BOE Technology Group Co., Ltd.)
• Original Assignee: BOE Technology Group Co., Ltd., Chengdu BOE Optoelectronics Technology Company Limited (BOE Technology Group Co., Ltd.)
• Inventors: Yang, Guobo, Wang, Xiangnan
• Application Number:
  US14/408,557
• Publication Number:
  US 20160259193A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G02F 1/13338 Input devices, e.g. touch panels
• CPC Class Codes: G02F 2201/501 Blocking layers, e.g. against migration of ions
• CPC Class Codes: G06F 2203/04103 Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display

Abstract

The present invention provides a touch control display device comprising an array substrate, a counter substrate arranged opposite to the array substrate, and a liquid crystal layer and a touch control layer located between the array substrate and the counter substrate, the counter substrate comprising an alkali glass base substrate. A first shield layer for preventing diffusion of alkali metal ions is formed at a side of the alkali glass base substrate of the counter substrate facing the array substrate, and the liquid crystal layer and the touch control layer are both located between the array substrate and the first shield layer. In the present invention, by forming a first shield layer for preventing diffusion of alkali metal ions at a side of the alkali glass base substrate of the counter substrate facing the array substrate, the alkali metal ions are blocked so that they can not diffuse into other layers of the substrate, so as to ensure physical and chemical stability of the transparent electrode and the liquid crystal in the display device and ensure display effect of the display device.

Claims

1. A touch control display device comprising an array substrate, a counter substrate arranged opposite to the array substrate, and a liquid crystal layer and a touch control layer located between the array substrate and the counter substrate, the counter substrate comprising an alkali glass base substrate,

characterized in that a first shield layer for preventing diffusion of alkali metal ions is formed at a side of the alkali glass base substrate of the counter substrate facing the array substrate, and the liquid crystal layer and the touch control layer are located between the array substrate and the first shield layer.

2. The touch control display device as claimed in claim 1, characterized in that the counter substrate is a color film substrate, the color film substrate comprises a transparent electrode located at a side of the alkali glass base substrate facing the array substrate, and the first shield layer is formed between the transparent electrode and the alkali glass base substrate.

3. The touch control display device as claimed in claim 1, characterized in further comprising an upper polarizing layer directly formed on an external surface of the alkali glass base substrate.

4. The touch control display device as claimed in claim 1, characterized in that the array substrate comprises an alkali glass base substrate, a transparent electrode layer located at a side of the alkali glass base substrate facing the counter substrate, and a second shield layer for preventing diffusion of alkali metal ions formed between the alkali glass base substrate of the array substrate and the transparent electrode layer of the array substrate.

5. The touch control display device as claimed in claim 4, characterized in that the second shield layer is formed on a surface of the alkali glass base substrate of the array substrate facing the counter substrate.

6. The touch control display device as claimed in claim 4, characterized in further comprising a lower polarizing layer directly formed on an external surface of the alkali glass base substrate of the array substrate.

7. The touch control display device as claimed in claim 4, characterized in that the array substrate further comprises a gate insulating layer, and the second shield layer is the gate insulating layer.

8. The touch control display device as claimed in claim 1, characterized in that the material&

of the first shield layer is transparent silicon oxide.

9. The touch control display device as claimed in claim 1, characterized in that the thicknesses of the first shield layer is 100 nm-360 nm.

10. The touch control display device as claimed in claim 1, characterized in that an edge at a side of the alkali glass base substrate of the counter substrate facing away from the array substrate is formed as a curved surface, an inclined surface or a spherical surface.

11. The touch control display device as claimed in claim 2, characterized in that the material of the first shield layer is transparent silicon oxide.

12. The touch control display device as claimed claim 2, characterized in that the thickness of the first shield layer is 100 nm-360 nm.

13. The touch control display device as claimed claim 2, characterized in that an edge at a side of the alkali glass base substrate of the counter substrate facing away from the array substrate is formed as a curved surface, an inclined surface or a spherical surface.

14. The touch control display device as claimed in claim 3, characterized in that the material of the first shield layer is transparent silicon oxide.

15. The touch control display device as claimed claim 3, characterized in that the thickness of the first shield layer is 100 nm-360 nm.

16. The touch control display device as claimed claim 3, characterized in that an edge at a side of the alkali glass base substrate of the counter substrate facing away from the array substrate is formed as a curved surface, an inclined surface or a spherical surface.

17. The touch control display device as claimed in claim 4, characterized in that materials of the first shield layer and the second shield layer are transparent silicon oxide.

18. The touch control display device as claimed in claim 4, characterized in that thicknesses of the first shield layer and the second shield layer are 100 nm-360 nm.

19. The touch control display device as claimed claim 4, characterized in that an edge at a side of the alkali glass base substrate of the counter substrate facing away from the array substrate is formed as a curved surface, an inclined surface or a spherical surface.