CN202748758U - Touch liquid crystal display (LCD) device, touch LCD panel and color film substrate - Google Patents
Touch liquid crystal display (LCD) device, touch LCD panel and color film substrate Download PDFInfo
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- CN202748758U CN202748758U CN201220456142.5U CN201220456142U CN202748758U CN 202748758 U CN202748758 U CN 202748758U CN 201220456142 U CN201220456142 U CN 201220456142U CN 202748758 U CN202748758 U CN 202748758U
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- color membrane
- membrane substrates
- signal transmission
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Abstract
The utility model provides a touch liquid crystal display (LCD) device, a touch LCD panel and a color film substrate and belongs to the field of LCD. The touch LCD panel comprises an array substrate and the color film substrate, wherein a GOA (Gate On Array) circuit is formed on the array substrate, and touch signal transmission lines are formed at the outer side of the color film substrate. The touch LCD panel further comprises shielding electrodes which are located at the inner side of the color film substrate and correspond to the positions of the touch signal transmission lines, wherein the shielding electrodes are used for shielding the interference of the touch signal transmission lines on touch sensing signals, caused by clock signals of the GOA circuit. According to the touch LCD device, the touch LCD panel and the color film substrate, the interference of the touch signal transmission lines on the touch sensing signals, caused by the clock signals of the GOA circuit, can be reduced.
Description
Technical field
The utility model relates to technical field of liquid crystal display, relates in particular to a kind of touch liquid crystal display device, touch LCD display panel and color membrane substrates.
Background technology
Touch-screen in the market comprises external hanging type touch-screen and integrated touch screen, and integrated touch screen is to enter touch pad is integrated when producing liquid crystal panel.The integration mode of integrated touch screen has two kinds, a kind of is the color membrane substrates top (being also referred to as the on-cell integration mode) that the function of touch pad is integrated in liquid crystal panel, another kind is that the function with touch pad is integrated between the color membrane substrates and array base palte of liquid crystal panel, generally is the inboard (being also referred to as the in-cell integration mode) that directly is integrated in color membrane substrates.
Fig. 1 is the structural representation of the touch LCD display panel of on-cell integration mode.As shown in Figure 1, described touch LCD display panel comprises array base palte 1 and color membrane substrates 2, the outside of described color membrane substrates 2 is formed with touch electrode unit 21 and touch signal transmission line 22, and described touch signal transmission line 22 is positioned at the non-display area of described color membrane substrates 2.
In some liquid crystal display, the grid line driving circuit has been accomplished on the array base palte this grid line driving circuit is called the capable driving of array base palte (Gate On Array, GOA) circuit.The application of GOA technology can reduce the production technology program, reduces the Product Process cost, improves the integrated level of liquid crystal panel.Corresponding to Fig. 1, then be formed with GOA circuit 11 on the described array base palte 1, described GOA circuit 11 is formed on the non-display area of array base palte 1.
For senior super Wei Chang conversion (ADvanced Super Dimension Switch, ADS) display panels of pattern, there is not public electrode on its color membrane substrates, public electrode and pixel electrode all are made on the array base palte, utilize the fringing field effect's driving liquid crystal between public electrode and the pixel electrode to show.Like this, for the touch LCD display panel of ADS pattern, the clock signal of its GOA circuit will cause interference to the touch sensible signal of touch signal transmission line, causes the unusual of touch screen function.
The utility model content
The purpose of this utility model provides a kind of touch liquid crystal display device, touch LCD display panel and color membrane substrates, the interference that the clock signal that can reduce the GOA circuit causes the touch sensible signal of touch signal transmission line.
For solving the problems of the technologies described above, the utility model provides technical scheme as follows:
A kind of touch LCD display panel comprises array base palte and color membrane substrates, is formed with the GOA circuit on the described array base palte, and the outside of described color membrane substrates is formed with the touch signal transmission line, and described touch LCD display panel also comprises:
Be positioned at the inboard of described color membrane substrates, and the interference that the clock signal that the guarded electrode that its position is corresponding with the position of described touch signal transmission line, described guarded electrode are used for shielding described GOA circuit causes the touch sensible signal of described touch signal transmission line.
Above-mentioned touch LCD display panel, wherein:
Described guarded electrode ground connection; Perhaps,
Described guarded electrode is connected with the public electrode of array base palte by the electric conductivity sealed plastic box.
Above-mentioned touch LCD display panel, wherein: described guarded electrode adopts transparent conductive material or metal material.
A kind of color membrane substrates, be used for the touch LCD display panel, described touch LCD display panel comprises array base palte and described color membrane substrates, is formed with the GOA circuit on the described array base palte, the outside of described color membrane substrates is formed with the touch signal transmission line, and described color membrane substrates also comprises:
It is inboard to be positioned at described color membrane substrates, and its position guarded electrode corresponding with the position of described touch signal transmission line, the interference that described guarded electrode causes the touch sensible signal of described touch signal transmission line for the clock signal that shields described GOA circuit.
Above-mentioned color membrane substrates, wherein:
Described guarded electrode ground connection; Perhaps,
Described guarded electrode is connected with the public electrode of array base palte by the electric conductivity sealed plastic box.
Above-mentioned color membrane substrates, wherein: described guarded electrode adopts transparent conductive material or metal material.
A kind of touch liquid crystal display device comprises above-mentioned touch LCD display panel.
Compared with prior art, the utility model is by arranging guarded electrode between the thread touch sensor of the GOA of array base palte circuit and color membrane substrates, the interference that utilizes clock signal that described guarded electrode shields described GOA circuit that the touch sensible signal of described touch signal transmission line is caused, thus the touch performance of touch-screen improved.
Description of drawings
Fig. 1 is the structural representation of the touch LCD display panel of prior art;
Fig. 2 is the structural representation of the touch LCD display panel of the utility model embodiment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawings and the specific embodiments the utility model is described in detail.
The interference that the touch sensible signal of the touch signal transmission line on the color membrane substrates is caused for the clock signal that solves GOA circuit that exist in the prior art, on the array base palte, the utility model embodiment provides a kind of touch LCD display panel, by between the touch signal transmission line of the GOA of array base palte circuit and color membrane substrates, guarded electrode being set, the interference that utilizes clock signal that described guarded electrode shields described GOA circuit that the touch sensible signal of described touch signal transmission line is caused, thus the touch performance of touch-screen improved.
Fig. 2 is the structural representation of the touch LCD display panel of the utility model embodiment.With reference to Fig. 2, described touch LCD display panel comprises array base palte 1 and color membrane substrates 2, wherein:
Be formed with GOA circuit 11 on the described array base palte 1, described GOA circuit 11 is formed on the non-display area of array base palte 1;
The outside of described color membrane substrates 2 is formed with touch electrode unit 21 and touch signal transmission line 22, described touch signal transmission line 22 is positioned at the non-display area of described color membrane substrates 2, and, the inboard of described color membrane substrates 2, and the position corresponding with described thread touch sensor 22 also is formed with guarded electrode 24, the interference that the clock signal that described guarded electrode 24 is used for shielding described GOA circuit 11 causes the touch sensible signal of described touch signal transmission line 22.
This touch LCD display panel can be the display panels of ADS pattern, and described guarded electrode 12 can ground connection; Perhaps, described guarded electrode 12 is connected with the public electrode of array base palte 1 by electric conductivity sealed plastic box 3, the interference that the clock signal that shields described GOA circuit 11 by described guarded electrode 12 like this causes the touch signal of described touch signal transmission line, thus the touch performance of touch-screen improved.
Wherein, described guarded electrode 12 can adopt transparent conductive material or metal material.Described transparent conductive material can be tin indium oxide (ITO), indium zinc oxide (IZO), tin indium oxide zinc (ITZO) and antimony tin (ATO) etc.; Described metal material can be silver (Ag), gold (Au), tungsten (W), titanium (Ti) and molybdenum (Mo) etc.
In addition, the utility model embodiment also provides a kind of touch liquid crystal display device, comprises above-mentioned touch LCD display panel.Particularly, described touch liquid crystal display device can be any touch liquid crystal display devices with touch function such as LCD TV, mobile phone, liquid crystal display, digital album (digital photo frame), panel computer.
Should be noted that at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spiritual scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (7)
1. a touch LCD display panel comprises array base palte and color membrane substrates, is formed with the GOA circuit on the described array base palte, and the outside of described color membrane substrates is formed with the touch signal transmission line, it is characterized in that, described touch LCD display panel also comprises:
Be positioned at the inboard of described color membrane substrates, and the interference that the clock signal that the guarded electrode that its position is corresponding with the position of described touch signal transmission line, described guarded electrode are used for shielding described GOA circuit causes the touch sensible signal of described touch signal transmission line.
2. touch LCD display panel as claimed in claim 1 is characterized in that:
Described guarded electrode ground connection; Perhaps,
Described guarded electrode is connected with the public electrode of array base palte by the electric conductivity sealed plastic box.
3. touch LCD display panel as claimed in claim 1 or 2 is characterized in that:
Described guarded electrode adopts transparent conductive material or metal material.
4. color membrane substrates, be used for the touch LCD display panel, described touch LCD display panel comprises array base palte and described color membrane substrates, be formed with the GOA circuit on the described array base palte, the outside of described color membrane substrates is formed with the touch signal transmission line, it is characterized in that described color membrane substrates also comprises:
It is inboard to be positioned at described color membrane substrates, and its position guarded electrode corresponding with the position of described touch signal transmission line, the interference that described guarded electrode causes the touch sensible signal of described touch signal transmission line for the clock signal that shields described GOA circuit.
5. color membrane substrates as claimed in claim 4 is characterized in that:
Described guarded electrode ground connection; Perhaps,
Described guarded electrode is connected with the public electrode of array base palte by the electric conductivity sealed plastic box.
6. such as claim 4 or 5 described color membrane substrates, it is characterized in that:
Described guarded electrode adopts transparent conductive material or metal material.
7. a touch liquid crystal display device is characterized in that, comprises such as each described touch LCD display panel in the claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220456142.5U CN202748758U (en) | 2012-09-07 | 2012-09-07 | Touch liquid crystal display (LCD) device, touch LCD panel and color film substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220456142.5U CN202748758U (en) | 2012-09-07 | 2012-09-07 | Touch liquid crystal display (LCD) device, touch LCD panel and color film substrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202748758U true CN202748758U (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220456142.5U Expired - Lifetime CN202748758U (en) | 2012-09-07 | 2012-09-07 | Touch liquid crystal display (LCD) device, touch LCD panel and color film substrate |
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| Country | Link |
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| CN (1) | CN202748758U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830849A (en) * | 2012-09-07 | 2012-12-19 | 京东方科技集团股份有限公司 | Touch liquid crystal display device, touch liquid crystal display panel and colorful membrane substrate |
| CN103684525A (en) * | 2013-12-06 | 2014-03-26 | 硅谷数模半导体（北京）有限公司 | Signal transmission circuit |
-
2012
- 2012-09-07 CN CN201220456142.5U patent/CN202748758U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830849A (en) * | 2012-09-07 | 2012-12-19 | 京东方科技集团股份有限公司 | Touch liquid crystal display device, touch liquid crystal display panel and colorful membrane substrate |
| CN102830849B (en) * | 2012-09-07 | 2015-08-19 | 京东方科技集团股份有限公司 | Touch liquid crystal display device, touch LCD display panel and color membrane substrates |
| CN103684525A (en) * | 2013-12-06 | 2014-03-26 | 硅谷数模半导体（北京）有限公司 | Signal transmission circuit |
| CN103684525B (en) * | 2013-12-06 | 2016-02-03 | 硅谷数模半导体（北京）有限公司 | Signal circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |
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| CX01 | Expiry of patent term |