CN207115968U

CN207115968U - A kind of detection means

Info

Publication number: CN207115968U
Application number: CN201720896196.6U
Authority: CN
Inventors: 张寒; 王争奎; 丛乐乐
Original assignee: BOE Technology Group Co Ltd; Ordos Yuansheng Optoelectronics Co Ltd
Current assignee: BOE Technology Group Co Ltd; Ordos Yuansheng Optoelectronics Co Ltd
Priority date: 2017-07-21
Filing date: 2017-07-21
Publication date: 2018-03-16
Anticipated expiration: 2027-07-21

Abstract

The utility model provides a kind of detection means, and described device is applied to touch control electrode detection-phase, including：Tester table and control panel, beta version and touch control electrode region are provided with the control panel, the tester table electrically connects with the beta version, the beta version can electrically connect with being placed on the touch control electrode in the touch control electrode region, the tester table carries out charge and discharge electro-detection by the beta version to the touch control electrode, it is achieved thereby that detected to touch control electrode, the problem of avoiding process materials from wasting.

Description

A kind of detection means

Technical field

Liquid crystal panel display technology field is the utility model is related to, more particularly to a kind of detection means.

Background technology

It is typically at present after touch control electrode detection-phase to the failure detection method of touch control electrode in In-Cell products Carry out, and the detection to touch control electrode needs manufacturer to provide the special detection tool of touch control electrode, and need control panel to exist Connection completes touch control electrode control circuit or has connected flexible PCB FPC using special detection tool can just enter afterwards Row detection, after needing control panel to be connected completion with touch control electrode control circuit or FPC, it can just use special Detection instrument is detected, if poor prognostic cause is present in control panel in itself, so will result in the waste of process materials.

The content of the invention

The utility model provides a kind of detection means, to solve at present to detect touch control electrode, so as to cause work The problem of skill waste of material.

In order to solve the above problems, the utility model discloses a kind of detection means, described device is applied to touch control electrode Detection-phase, including：Tester table and control panel, beta version and touch control electrode region are provided with the control panel, The tester table electrically connects with the beta version, and the beta version can be with being placed on the touch-control in the touch control electrode region Electrode electrically connects, and the tester table carries out charge and discharge electro-detection by the beta version to the touch control electrode.

Optionally, the beta version includes test point, and the touch-control for being connected with test point and extending to touch control electrode region is walked Line, and it is arranged on the touch-control via that the touch control electrode region is connected with the touch-control cabling.

Optionally, the tester table includes the first transistor, the grid of the first transistor and the first clock signal Input is connected, and the drain electrode of the first transistor is connected with second clock signal input part, the source electrode of the first transistor It is connected with control node；

The grid of the control node and second transistor connects, and the drain electrode of the second transistor and one end of electric capacity connect Connect, the other end of the electric capacity is connected with the control node, and the source electrode of the second transistor is connected with light emitting diode.

Optionally, the touch control electrode region includes multiple touch control electrodes, and the test point includes multiple test points.

Optionally, covered with oxide material in the test point.

Optionally, the oxide material includes：Indium tin oxide ITO.

Compared with prior art, the utility model includes advantages below：

The utility model is electrically connected by the tester table with the beta version, the beta version can be placed on it is described The touch control electrode electrical connection in touch control electrode region, the tester table are carried out by the test board to the touch control electrode Charge and discharge electro-detection, such beta version can apply signal to each independent touch control electrode, be realized by charge and discharge electro-detection to touching The abnormal judgement of electrode is controlled, and due to carrying out the charge and discharge electro-detection of touch control electrode in touch control electrode detection-phase, so as to avoid The waste of technique goods, materials and equipments.

Certainly, implement any product of the present utility model to be not necessarily required to reach all the above advantage simultaneously.

Brief description of the drawings

Fig. 1 is a kind of structured flowchart of detection means described in the utility model embodiment one；

Fig. 2 is the structured flowchart of the utility model tester table；

Fig. 3 is the timing diagram of the tester table course of work of the present utility model；

Fig. 4 is the structured flowchart of tester table discharge process of the present utility model；

Fig. 5 is a kind of example of detection means application described in the utility model.

Embodiment

To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool Body embodiment is described in further detail to the utility model.

Embodiment one

Reference picture 1, show a kind of structured flowchart of detection means described in the utility model embodiment one, the device application In touch control electrode detection-phase, specifically include：

Tester table and control panel, beta version 101 and touch control electrode region 106 are provided with the control panel, The tester table electrically connects with the beta version 101, and the beta version 101 can be with being placed on the touch control electrode region 106 The touch control electrode 104 electrically connect, the tester table is filled by the beta version 101 to the touch control electrode 104 Discharge examination.

The beta version includes test point 105, is connected with test point and extends to the touch-control cabling in touch control electrode region 102, and it is arranged on the touch-control via 103 that the touch control electrode region 106 is connected with the touch-control cabling 102.

The touch control electrode region 106 includes multiple touch control electrodes, and the test point includes multiple test points, the test point 105 are connected by touch-control cabling 102 with the touch control electrode 104 in touch control electrode region 106, pass through what is set on touch-control cabling 102 Touch-control via 103 realizes the conducting with touch control electrode 104, and charge and discharge electro-detection is carried out to the touch control electrode 104 so as to realize.

Optionally, covered with oxide material in the test point, it is preferred that the oxide material includes：Indium tin oxygen Compound ITO, the transparent and conductive capability is strong can preferably detect the electric conductivity of touch control electrode, also may be used in the test point To cover other oxide materials, new be not particularly limited is realized to this.

Reference picture 2, the structured flowchart of the utility model tester table is shown, the tester table includes：The first transistor T1, second transistor T2, electric capacity C1 and light emitting diode D1.

Wherein, the grid of the first transistor T1 is connected with the first clock signal input terminal, the first transistor T1 Drain electrode be connected with second clock signal input part, the source electrode of the first transistor T1 is connected with control node E1；

The control node E1 is connected with the grid of the second transistor T2, the drain electrode of the second transistor T2 with Electric capacity C1 one end connection, the other end of the electric capacity C1 are connected with the control node E1, the source of the second transistor T2 Pole is connected with the light emitting diode D1.

It should be noted that the first transistor and second transistor can be PMOS, or NMOS tube, to this The utility model is not particularly limited.

It is the timing diagram of the tester table course of work of the present utility model, below to the sequential of each signal shown in reference picture 3 Relation, with the structured flowchart of the tester table shown in Fig. 2, letter is carried out to discharge and recharge detection process of the tester table to touch control electrode Illustrate.Wherein, the first transistor and second transistor are PMOS, and the first level signal is high level signal, second electrical level Signal is low level signal.

First stage Time1 is the write cycle time stage, and the first clock signal of the first clock signal input terminal CK inputs is high electric Flat, the second clock signal of second clock signal input part CKB inputs is high level, as shown in Fig. 2 control the first transistor T1, second transistor T2 and light emitting diode D1 are opened, and realize the charging to electric capacity C1, i.e., when the first transistor T1 grid is High voltage, now the first transistor T1 voltages to drain, are now written in electric capacity C1 by the first transistor T1 unlatchings, namely survey Commissioning stage carries out charging detection by the beta version to the touch control electrode.

Second stage Time2 is the holding stage, and the first clock signal of the first clock signal input terminal CK inputs is by high electricity Flat to be changed into low level, the second clock signal of second clock signal input part CKB inputs is changed into low level, such as Fig. 2 from high level Shown, control the first transistor T1, second transistor T2 and light emitting diode D1 are closed, and tester table stops stopping touch control electrode Only charge and kept for a period of time.

Phase III Time3 is read phase, and the first clock signal of the first clock signal input terminal CK inputs is by low level It is changed into high level, the second clock signal of second clock signal input part CKB inputs remains as low level, as shown in figure 4, control The first transistor T1, second transistor T2 and light emitting diode D2 are opened, i.e. electric capacity is equivalent to being discharged, namely tester table The electric charge in touch control electrode is read, and by the electric charge read out compared with given threshold, if electric charge, which exceedes, sets threshold value, is judged Touch control electrode is abnormal, conversely, then judging that touch control electrode is normal.

Wherein, the setting of threshold value can be set by those skilled in the art using any appropriate ways, can such as be adopted Manually experience given threshold, or the difference value given threshold for historical data, the utility model are not restricted to this.

In order to which those skilled in the art are better understood from the technical scheme of the utility model restriction, institute is shown referring to Fig. 5 State the example that a kind of detection means detects to touch control electrode.

By taking Fig. 5 as an example, for example, when there is two touch control electrodes connection such as Fig. 5 positions, adjacent electrode can be caused short Road, the test point 1 and charge value Q that test point 4 measures is measured by tester table and abnormal conditions occurs, can now be gone out with basis Now abnormal test point judges the position for the touch control electrode of short circuit occur, so as to be detected in touch control electrode detection-phase can The exception of touch control electrode.

The utility model, electrically connected by the tester table with the beta version, the beta version can be with being placed on institute The touch control electrode electrical connection in touch control electrode region is stated, the tester table is entered by the test board to the touch control electrode Row charge and discharge electro-detection, such test board can be realized to touching to each independent touch control electrode plus signal by charge and discharge electro-detection The abnormal judgement of electrode is controlled, and due to carrying out the charge and discharge electro-detection of touch control electrode in touch control electrode detection-phase, so as to avoid The waste of technique goods, materials and equipments.

Each embodiment in this specification is described by the way of progressive, what each embodiment stressed be with The difference of other embodiment, between each embodiment identical similar part mutually referring to.

It would have readily occurred to a person skilled in the art that be：Any combination application of above-mentioned each embodiment is all feasible, therefore Any combination between above-mentioned each embodiment is all embodiment of the present utility model, but this explanation as space is limited, Book does not just detail one by one herein.

Above to a kind of detection means provided by the utility model, it is described in detail, it is used herein specifically Individual example is set forth to principle of the present utility model and embodiment, and the explanation of above example is only intended to help and understands this The method and its core concept of utility model；Meanwhile for those of ordinary skill in the art, according to think of of the present utility model Think, in specific embodiments and applications there will be changes, in summary, this specification content should not be construed as pair Limitation of the present utility model.

Claims

1. a kind of detection means, described device is applied to touch control electrode detection-phase, it is characterised in that including：Tester table and Control panel, beta version and touch control electrode region, the tester table and the beta version are provided with the control panel Electrical connection, the beta version can electrically connect with being placed on the touch control electrode in the touch control electrode region, the tester table Charge and discharge electro-detection is carried out to the touch control electrode by the beta version.

2. device according to claim 1, it is characterised in that the beta version includes test point, be connected with test point and The touch-control cabling in touch control electrode region is extended to, and is arranged on the touch-control that the touch control electrode region is connected with the touch-control cabling Via.

3. device according to claim 1, it is characterised in that the tester table includes the first transistor, described first The grid of transistor is connected with the first clock signal input terminal, drain electrode and the second clock signal input part of the first transistor Connection, the source electrode of the first transistor are connected with control node；

The grid of the control node and second transistor connects, and the drain electrode of the second transistor and one end of electric capacity connect, The other end of the electric capacity is connected with the control node, and the source electrode of the second transistor is connected with light emitting diode.

4. device according to claim 2, it is characterised in that the touch control electrode region includes multiple touch control electrodes, institute Stating test point includes multiple test points.

5. device according to claim 2, it is characterised in that covered with oxide material in the test point.

6. device according to claim 5, it is characterised in that the oxide material includes：Indium tin oxide ITO.