CN202886785U - Capacitive touch array substrate and liquid crystal panel - Google Patents
Capacitive touch array substrate and liquid crystal panel Download PDFInfo
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- CN202886785U CN202886785U CN 201220581222 CN201220581222U CN202886785U CN 202886785 U CN202886785 U CN 202886785U CN 201220581222 CN201220581222 CN 201220581222 CN 201220581222 U CN201220581222 U CN 201220581222U CN 202886785 U CN202886785 U CN 202886785U
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Abstract
The utility model discloses a capacitive touch array substrate and a liquid crystal panel which are used for realizing an in-cell touch screen, improving the structure of a touch screen, and simplifying technological processes. The capacitive touch array substrate comprises a supporting body supporting a color film substrate, a first sensor and a second sensor. The bottom end and the top end of the supporting body are respectively provided with an electrode so as to form a capacitor. The end, close to the color film substrate, of the supporting body is the top end, and the other end is the bottom end. The first sensor is electrically connected with the electrode at the top end of the supporting body, and the second sensor is electrically connected with the electrode at the bottom end of the supporting body.
Description
Technical field
The utility model relates to electronic technology and field of liquid crystal display, particularly relates to capacitance touch array base palte and liquid crystal panel.
Background technology
With respect to touch panel being arranged on original method of using on the liquid crystal panel, that touch panel function and the integrated research of liquid crystal panel is day by day in vogue.Integrated the comprising of touch panel and liquid crystal panel " the In-cell(touch-control structure is in liquid crystal cell) " and " the On-cell(touch-control structure is on liquid crystal cell) " isotype.In-cell refers to touch panel function is embedded into method in the liquid crystal pixel.On-cell refers to touch panel function is embedded into method between colored filter substrate and the Polarizer.
Can the reflection external light between the top and touch panel of the liquid crystal panel of On-cell type following etc., cause the visuality under the bright environment of outdoor grade to reduce.The LCDs of In-cell type does not have this problem.
A kind of In-cell type is to make liquid crystal layer generation deformation when pressing touch-screen, changes liquid crystal orientation, thereby changes capacitance size, with trigger sensor.This scheme is had relatively high expectations to liquid crystal layer.In addition, for the ease of changing the liquid crystal layer direction, then at the inboard increase salient point of liquid crystal layer near color film.But the technical requirement that increases salient point is higher, and technique is difficult to realize.
The utility model content
The utility model embodiment provides a kind of capacitance touch array base palte and liquid crystal panel, is used for realizing the IN-CELL touch-screen, and improves touch screen structure, simplification of flowsheet.
A kind of capacitance touch array base palte comprises: the supporter, first sensor and the second sensor that are used for supporting color membrane substrates;
Respectively there is an electrode on the bottom of supporter and top, form electric capacity; Wherein, an end of close color membrane substrates is the top, and the other end is the bottom;
First sensor is electrically connected with the electrode on supporter top;
The second sensor is electrically connected with the electrode of supporter bottom.
Preferably, described supporter is cylindrical spacer.
Preferably, first sensor is vertical and non-intersect with the second sensor.
Further, between every adjacent two sub-pixs a linear first sensor or linear second sensor are arranged.
Further, also comprise: data line and grid line; Linear first sensor is parallel with data line and at same layer, and linear the second sensor is parallel with grid line and at same layer.
Preferably, the material of the electrode on the electrode of bottom and top is tin indium oxide ITO.
A kind of capacitance touch liquid crystal panel comprises above-mentioned capacitance touch array base palte.
The utility model embodiment increases by two electrodes at supporter, forms electric capacity, is connected with sensor, realizes touch sensible.This structure needs supporter is adopted the single exposure etching when producing, and existing INcell technology is generally the CELL box and is a large capacitance body, liquid crystal is the medium of the inside, and when cell box thick quilt was pressed, cell gap and liquid crystal can deflect, liquid crystal deflection, what its specific inductive capacity also will be sent out and change, so cell gap and change in dielectric constant, and electric capacity will be sent out any variation, just can judge the touch point, but will have very complicated circuit and sensor to judge.Therefore, compare with IN-CELL type in the prior art, technique is obviously simple, and liquid crystal is not had specific (special) requirements.
Description of drawings
Fig. 1 is the sectional side view of capacitance touch array base palte among the utility model embodiment;
Fig. 2 is the vertical view of capacitance touch array base palte among the utility model embodiment;
Fig. 3 is the sectional side view of supporter among the utility model embodiment;
Fig. 4 is the process chart of making the capacitance touch array base palte among the utility model embodiment.
Embodiment
The utility model embodiment increases by two electrodes at supporter, forms electric capacity, is connected with sensor, realizes touch sensible.This structure needs supporter is adopted the single exposure etching when producing, and compares with IN-CELL type in the prior art, and technique is obviously simple, and liquid crystal is not had specific (special) requirements.
Referring to Fig. 1 and Fig. 2, the capacitance touch array base palte comprises in the present embodiment: the supporter 101, first sensor 102 and the second sensor 103 that are used for supporting color membrane substrates.
Respectively there is an electrode on the bottom of supporter 101 and top, form electric capacity, referring to shown in Figure 3; Wherein, an end of close color membrane substrates is the top, and the other end is the bottom.First sensor 102 is electrically connected with the electrode 302 on supporter 101 tops.The second sensor 103 is electrically connected with the electrode 301 of supporter 101 bottoms.
Better, supporter 101 is cylindrical spacer (Post Spacer, PS), can plate the more intense macromolecular material of resistance to compression on it.Supporter 101 is trapezoidal in the present embodiment, between four adjacent sub-pixs.The structure of supporter 101 is referring to shown in Figure 3.After powering on, the electric weight of first sensor 102 inductions the second electrode 302, the electric weight of the second sensor 103 inductions the first electrode 301.The change of capacitance is determined in the variation of the electric weight of sensing by first sensor 102 and the second sensor 103, and then determines to touch.
The capacitance touch array base palte also comprises in the present embodiment: grid line 104 and data line 105.Realize that for the ease of technique linear first sensor 102 and grid line 104 are parallel and at same layer, linear the second sensor 103 and data line 105 are parallel and at same layer.
Better, the material of the electrode 301 of bottom and the electrode 302 on top is tin indium oxide (Indium Tin Oxide, ITO).Ito thin film is a kind of N-shaped semiconductor material, has high conductance, high visible light transmissivity, high mechanical hardness and good chemical stability.Other conductive material also is applicable to present embodiment.
Capacitance touch array base palte in the present embodiment can be applicable in the capacitance touch liquid crystal panel, and then is applied in the electronic product with touch-screen.
Present embodiment improves the structure of capacitance touch array base palte, and the below provides a kind of technological process of making this capacitance touch array base palte.
Referring to Fig. 4, the technological process of making the capacitance touch array base palte in the present embodiment is as follows:
Step 401: make data line 105 at substrate, and the second sensor 103 of simultaneously making and data line 105 parallel arrangements; Reserve the position of supporter 101 at the second sensor 103.
That is, cloth the second sensor 103, the second sensors 103 are parallel with data line 105 when cloth data line 105, and between adjacent two sub-pixs.By a MASK(mask) operation formation the second sensor 103 and data line 105, in the position of carrying out reserving when MASK operates supporter 101.Better, the width of the second sensor 103 is about 5um, thickness is between the 1800-3500 dust.
Step 402: above data line 105 and the second sensor 103, form insulation course 106.Be reserved be used to the via hole that connects described the second sensor 103 and supporter 101 at described insulation course 106.
Step 403: when making grid line 104, make first sensor 102.That is, cloth first sensor 102 when cloth grid line 104, first sensor 102 is parallel with grid line 104, and between adjacent two sub-pixs.By a MASK(mask) operation formation first sensor 102 and grid line 104.Better, the width of first sensor 102 is about 5um, thickness is between the 1800-3500 dust.
The bottom of supporter 101 is circular in the present embodiment, and the longitudinal profile is trapezoidal, therefore reserves via hole at making first sensor 102, and the via hole position consistency on this via hole and the insulation course 106 is so that follow-up at the position of this via hole making supporter 101.Increased by the first electrode 301 in the present embodiment, therefore better, the thickness of insulation course 106 thickness of insulation course 106 in the array base palte of prior art is large, and the thickness of insulation course 106 is between the 1800-3500 dust in the present embodiment.
Step 404: make the first electrode 301 at the second sensor 103.
Step 405: deposition one deck resin material, and by composition technique formation supporter 101, this supporter 101 is positioned at described via hole position, and directly joins with described the first electrode 301.
Step 406: make the second electrode 302 at supporter 101.
Step 407: on the second electrode 302 of supporter 101 and the conductive layer (Mo/Al) that on first sensor 102, deposits again one deck several thousand dusts, in order to connect the second electrode 302 and first sensor 102.
The utility model embodiment increases by two electrodes at supporter, forms electric capacity, is connected with sensor, realizes touch sensible.This structure needs supporter is adopted the single exposure etching when producing, and compares with IN-CELL type in the prior art, and technique is obviously simple, and liquid crystal is not had specific (special) requirements.
In the above-described embodiments, only the manufacture craft of specifically described touch-control part can be known from existing known technology the manufacturing process that relates to TFT, no longer describes in detail herein.And above-described embodiment is take the top gate type structure as example, namely makes first source-drain electrode layer (comprising data line) on substrate, then makes the grid metal level; In the actual fabrication process, those skilled in the art also can be equal to expansion to such scheme as required, obtain being applicable to the scheme of bottom gate type structure.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (7)
1. a capacitance touch array base palte is characterized in that, comprising: the supporter, first sensor and the second sensor that are used for supporting color membrane substrates;
Respectively there is an electrode on the bottom of supporter and top, form electric capacity; Wherein, an end of close color membrane substrates is the top, and the other end is the bottom;
First sensor is electrically connected with the electrode on supporter top;
The second sensor is electrically connected with the electrode of supporter bottom.
2. capacitance touch array base palte as claimed in claim 1 is characterized in that, described supporter is cylindrical spacer.
3. capacitance touch array base palte as claimed in claim 1 is characterized in that, first sensor is vertical and non-intersect with the second sensor.
4. capacitance touch array base palte as claimed in claim 3 is characterized in that, between every adjacent two sub-pixs a linear first sensor or linear second sensor is arranged.
5. capacitance touch array base palte as claimed in claim 4 is characterized in that, also comprises: data line and grid line;
Linear first sensor is parallel with data line and at same layer, and linear the second sensor is parallel with grid line and at same layer.
6. capacitance touch array base palte as claimed in claim 1 is characterized in that, the material of the electrode of bottom and the electrode on top is tin indium oxide ITO.
7. a capacitance touch liquid crystal panel is characterized in that, comprising: such as each described capacitance touch array base palte in the claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220581222 CN202886785U (en) | 2012-11-06 | 2012-11-06 | Capacitive touch array substrate and liquid crystal panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220581222 CN202886785U (en) | 2012-11-06 | 2012-11-06 | Capacitive touch array substrate and liquid crystal panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202886785U true CN202886785U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220581222 Expired - Lifetime CN202886785U (en) | 2012-11-06 | 2012-11-06 | Capacitive touch array substrate and liquid crystal panel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336618A (en) * | 2013-07-05 | 2013-10-02 | 南昌欧菲光显示技术有限公司 | Light polarizing-filtering module, manufacturing method thereof and touch display screen |
| CN103365472A (en) * | 2013-07-05 | 2013-10-23 | 南昌欧菲光显示技术有限公司 | Polarized light and light filtering module and touch display screen |
-
2012
- 2012-11-06 CN CN 201220581222 patent/CN202886785U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336618A (en) * | 2013-07-05 | 2013-10-02 | 南昌欧菲光显示技术有限公司 | Light polarizing-filtering module, manufacturing method thereof and touch display screen |
| CN103365472A (en) * | 2013-07-05 | 2013-10-23 | 南昌欧菲光显示技术有限公司 | Polarized light and light filtering module and touch display screen |
| CN103336618B (en) * | 2013-07-05 | 2016-08-17 | 南昌欧菲光显示技术有限公司 | Polarisation filtration module and its preparation method and touch display screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20150623 Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150623 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150623 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE TECHNOLOGY GROUP Co.,Ltd. Patentee after: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 100176 Beijing city in Western Daxing District economic and Technological Development Zone, Road No. 8 Patentee before: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |
|
| CX01 | Expiry of patent term |