CN101393244A

CN101393244A - Detecting system

Info

Publication number: CN101393244A
Application number: CNA200710154679XA
Authority: CN
Inventors: 姚政良; 夏铭聪
Original assignee: Emerging Display Technologies Corp
Current assignee: Emerging Display Technologies Corp
Priority date: 2007-09-21
Filing date: 2007-09-21
Publication date: 2009-03-25

Abstract

The invention discloses a detecting system which is suitable for detecting a device to be detected and comprises a parameter determining device and a platform module. The parameter determining device comprises a setting unit and a power control unit, wherein the setting unit is stored with pen testing materials and generates a transmission signal corresponding to the device to be detected and a control variable suitable for the control setting of the device to be detected according to a driving principle. The power control unit receives the transmission signal and outputs a programmable power supply signal according to the transmission signal so as to provide environment parameter suitable for the device to be detected. The platform module is connected between the parameter determining device and the device to be determined, applies the environment parameter provided by the power control unit on the device to be detected, and drives and detects the device to be detected by the control variable outputted by the setting unit and the pen testing materials.

Description

Detection system

Technical field

The present invention relates to a kind of detection system, particularly relate to a kind of Device Testing to be measured system that detects as display that is applicable to.

Background technology

According to drive integrated circult (the Integrated Circuit that adopts, be called for short IC), LCD MODULE (Liquid Crystal Module, be called for short LCM) can be subdivided into the style of multiple different size and different color resolution, add the design difference of different vendor, make that the specification of LCD MODULE is more various, and when test, must artificially set the environmental parameter that is fit to according to different LCD MODULE, carry out the detection step so need expend a lot of manpowers, and these manpower demands has the technical capability of certain degree.

Consult Fig. 1, existing detection system can be tested a LCD MODULE 94, and this LCD MODULE 94 comprises a drive integrated circult (figure do not show), and this detection system comprises a controlling computer 91, a signal generator 92, and a plurality of transmission interfaces 93.

This controlling computer 91 comprises a signal procedure interface (figure does not show), and this signal procedure interface has a flow process control rule in proper order, but this is the drive integrated circult of flow process control rule initialization LCD MODULE 94 in proper order, behind the drive integrated circult of initialization LCD MODULE 94, can provide many test datas to this signal generator 92 by this signal procedure interface with different content.

This signal generator 92 comprises that one has the database of the driver that is applicable to the different driving integrated circuit, after this signal generator 92 receives test data, chooses corresponding driver from database, and is sent to described transmission interface 93.

Described transmission interface 93 can produce interactive with the interface format of the LCD MODULE 94 of different size kind, and the LCD MODULE 94 of different size kind is tested so that this signal generator 92 can be arranged in pairs or groups.

Though existing detection system can be at different LCD MODULE 94, choosing corresponding driver from database tests, but, because selected mostly being of LCD MODULE 94 machines to be measured uses manual control mode to carry out the switching of thumb-acting switch, so need according to the contrast mode, for example set up form (table) in advance, so that inquiry is fit to the setting of LCD MODULE 94 to be measured, and then thumb-acting switch pulled correspondence position, not only can increase the problem of management of LCD MODULE 94 machines to be measured, also be easy to take place the mistake switching of thumb-acting switch.

In addition, existing detection system does not provide the environmental parameter that is applicable to each LCD MODULE 94 (for example voltage) automatically, before each test, the user all needs manually to adjust operating environment in advance, increase and detect the loaded down with trivial details of step, and the user also must have the professional background of association area, the existing detection system of just applying in a flexible way.Moreover, must arrange in pairs or groups controlling computer 91 of existing detection system is used, thus not portable or mobile, therefore, existing detection system is not suitable for carries out production line mass production test, also is not suitable for simultaneously and need replaces LCD MODULE 94 machines to be measured and occasion easy and simple to handle immediately.

Summary of the invention

The objective of the invention is is providing a kind of operation simple and easy and extendible or revise to drive different types of Device Testing to be measured system.Detection system of the present invention is applicable to detection one device to be measured, and this detection system comprises a decision parameter devices and a console module, and this decision parameter devices comprises a setup unit and a power control unit.

This setup unit has a test data, and drives the rule generation has the control setting that is fit to this device to be measured corresponding to an actuating signal and of this device to be measured controlled variable according to one.

This power control unit receives this actuating signal, and exports a programmable power supply signal according to this actuating signal, so that the environmental parameter that is fit to this device to be measured to be provided.

This console module is electrically connected between this decision parameter devices and this device to be measured, and the environmental parameter that this power control unit provides is used on this device to be measured, and drive and detect this device to be measured with controlled variable and this test data of this setup unit output.

Beneficial effect of the present invention is: when surveying device in the face of each hospitality of test, do not need loaded down with trivial details manual setting action, just can supply suitable operating environment automatically, and since the editability of this setup unit can allow to expand at any time and revise to drive different types of display to be measured.

Description of drawings

Fig. 1 is a block scheme of existing detection system;

Fig. 2 is a block scheme of first preferred embodiment of detection system of the present invention;

Fig. 3 is a test flow chart of this first preferred embodiment;

Fig. 4 is a block scheme of second preferred embodiment of detection system of the present invention.

Embodiment

The present invention is described in detail below in conjunction with drawings and Examples:

First preferred embodiment

Consult Fig. 2, for being applicable to, first preferred embodiment of detection system of the present invention detects a device to be measured, and in this preferred embodiment, this device to be measured be a display 6 (for example: LCD (Liquid Crystal Display, be called for short LCD) or organic light emitting display (Organic Light-Emitting Display)), but not as limit.First preferred embodiment of this detection system comprises an associative unit 1, a power transfer device 4, a decision parameter devices 2, a console module 3, an actuation means 51, a fan 52 and an external PORT COM 53.

This associative unit 1 is the connection center of whole detection system, is responsible for this power transfer device 4 of contact, this decision parameter devices 2, this actuation means 51, this fan 52 and this external PORT COM 53.

This power transfer device 4 can be exported a plurality of level to this associative unit 1, can be used as the reference voltage purposes of this decision parameter devices 2, and this power transfer device 4 comprises the power switch 41 that can reset described level.

This decision parameter devices 2 receives described level, and provides an integrated signal that is applicable to this display 6 to be measured, this decision parameter devices 2 to comprise a computer unit 21, a setup unit 22, a power control unit 23 and a combining unit 24.

This computer unit 21 produces first rule of the corresponding variety classes display of a plurality of difference, and first rule that will be fit to this display 6 to be measured is written in this setup unit 22, because each display has the different power supply supplies or the demand of bias voltage signal, and the requirement of multi-group power On/Off order when testing, machine open/close is arranged more, so, described first rule write down respectively a kind of type of display of being different from other first rules the environmental parameter that should use set with control, this environmental parameter can comprise voltage, and the restriction that can comprise the load voltage upper current limit is set in this control, in this preferred embodiment, this computer unit 21 is a desktop computer, and not as limit.

This setup unit 22 receives first rule that is fit to this display 6 to be measured and is used as a driving rule, to possess the drive controlling function that can drive this kind display, this setup unit 22 drives rule according to this and produces a corresponding actuating signal, and through this associative unit 1 this actuating signal is sent to this power control unit 23.

This setup unit 22 also drives rule according to this and produces a corresponding controlled variable, so that being provided, suitable control sets, this setup unit 22 is sent to this combining unit 24 and this power control unit 23 with this controlled variable, this controlled variable can comprise the setting of load voltage upper current limit, the related setting of power supply supply or the type of display, and not as limit.

And this setup unit 22 has a storage unit 221, can deposit many test datas with different content, and described test data can be a content is GTG (grey level), color fringe (color bars) or other image, and this setup unit 22 also can receive user's input, delivers to the content of the test data of this display 6 to be measured to specify tendency to develop.

In addition, this setup unit 22 can flexibly be expanded or be revised at any time, so the user can change or increase described first rule, improve the drive controlling function or drive more different types of displays, in this preferred embodiment, this setup unit 22 can be a field programmable gate array (Field Programmable Gate Array is called for short FPGA), and not as limit.

This power control unit 23 receives this actuating signal and this controlled variable, and these power control unit 23 these actuating signals of utilization, decides a programmable power supply signal that is fit to this display 6 to be measured, so that suitable environmental parameter to be provided.

This power control unit 23 has a measurement circuit 231 and a holding circuit 232; this measurement circuit 231 can measure this programmable power supply voltage of signals and electric current; monitor for this actuation means 51; when this voltage and electric current reach the ordered higher limit of this controlled variable; this holding circuit 232 will send an alarm signal to this setup unit 22; this setup unit 22 this programmable power supply signal that will require to reset, and stop to transmit this nominative testing data.And in another embodiment, when this holding circuit 232 sends these alarm signals to this setup unit 22, this power control unit 23 this programmable power supply signal that will require to reset, and stop to transmit this nominative testing data.

This combining unit 24 receives this controlled variable and this programmable power supply signal, and is made into an integrated signal in conjunction with both remittances, delivers to this console module 3.

This console module 3 comprises a plurality of test platforms 31 that have a breakout box 311 respectively, and each breakout box 311 has a transmission interface that is different from other breakout boxs 311 (figure does not show), the user chooses a test platform 31 that is fit to according to the type of this display 6 to be measured, and should join with this display 6 to be measured by correspondence breakout box 311.

And should the correspondence breakout box 311 receive these integrated signals and from this nominative testing data of this setup unit 22, and through this relevant transmission interface, the environmental parameter that this integrated signal write down is offered this display 6 to be measured with the control setting, drive this display 6 to be measured and carry out the test of this nominative testing data.In this preferred embodiment, the specification of described transmission interface can be parallel interface (Parallel Interface), and not as limit.

In addition, each breakout box 311 also has a memory cell 312, and the memory cell 312 of this correspondence breakout box 311 can store in this integrated signal the control set data about this controlled variable.

This actuation means 51 can be monitored this programmable power supply voltage of signals and electric current at any time, and whether decision carries out the detection of next record test data.

This fan 52 can reduce the operating temperature of whole detection system, can reach heat radiation function, and this external PORT COM 53 can be linked up with outside other interfaces.

Consult Fig. 3, when carrying out testing process, comprise following steps with this detection system:

Step 71: the user is according to the type of this display 6 to be measured, choosing a test platform 31 that is fit to links to each other with the combining unit 24 of this decision parameter devices 2, and the breakout box 311 that makes this test platform of choosing 31 connects this display 6 to be measured, and the power-on switch 41 then.

Step 72: this computer unit 21 produces first rule of the corresponding variety classes display of a plurality of difference, and first rule that will be fit to this display 6 to be measured is written in this setup unit 22.This setup unit 22 receives first rule of suitable this display 6 to be measured as driving rule, to send controlled variable and the actuating signal corresponding to this display 6 to be measured.

Step 73: this setup unit 22 receives user's input, to specify a test data.

Step 74: this power control unit 23 receives this controlled variable and this actuating signal, and cooperates the reference voltage of this power transfer device 4, produces this programmable power supply signal, so that suitable environmental parameter to be provided.

Step 75: this combining unit 24 receives these controlled variables and these programmable power supply signals, and converges and be made into this integrated signal, and this integrated signal is delivered to this test platform of choosing 31.

Step 76: the breakout box 311 of the test platform 31 that is selected receives this integrated signal and this nominative testing data, and through this associated transport interface, the environmental parameter that this integrated signal write down is offered this display 6 to be measured with the control setting, drive this display 6 to be measured and carry out the test of this nominative testing data.

Step 77: after driving this display 6 to be measured, test with this nominative testing data.

Step 78: with these actuation means 51 monitoring these programmable power supply voltage of signals and electric currents, when if this power control unit 23 is judged this voltage and electric current and is exceeded the higher limit that this controlled variable sets, then continue step 79, if this voltage and electric current are in normal range, then continue step 80.

Step 79: this holding circuit 232 will send an alarm signal to this setup unit 22, and this setup unit 22 requires to reset this programmable power supply signal and stop to transmit this nominative testing data, and rebound step 73.

Step 80: the input that this setup unit 22 receives users to be specifying many test datas, and whether carries out the detection of next record test data by these actuation means 51 decisions.

Step 81: after finishing test,, then continue step 82, if not, then finish testing process if desire is tested another display to this display 6 to be measured.

Step 82: if another display is identical with this type of display 6 of finishing test, rebound step 77 then, if not, then the powered-down switch 41, follow rebound step 71.

It should be noted that in another embodiment, this computer unit 21 more can produce the corresponding variety classes display of a plurality of difference and with similar second rule of first rule.The user chooses second rule that is fit to this display 6 to be measured, and in advance with its imprinting in the memory cell 312 of this correspondence breakout box 311, because being fit to second rule of this display 6 to be measured deposits in the imprinting mode, so can not carry out elasticity revises, be different from first rule that is fit to this display 6 to be measured in the setup unit 22 that leaves this editability in, and this setup unit 22 can be according to user's setting, select to adopt first rule or second rule that is fit to this display 6 to be measured, drive rule to be used as one.When the user sets employing second rule as the driving rule, 22 of this setup units obtain this second rule from the memory cell 312 of this correspondence breakout box 311, and it should be noted that, in another embodiment, also can have only the existence of described second rule, and not have described first rule.

It should be noted that, in this preferred embodiment, be to omit this computer unit 21, first rule that directly will be fit to this display 6 to be measured is loaded in the storage unit 221 of this setup unit 22 in advance, and the prior imprinting of second rule that directly will be fit to this display 6 to be measured is in the memory cell 312 of this correspondence breakout box 311.In addition, but second rule that is fit to this display 6 to be measured except imprinting in the memory cell 312 of this correspondence breakout box 311, also can directly deposit in the storage unit 221 of this setup unit 22, and not as limit.

Second preferred embodiment

Consult Fig. 4, detect a device to be measured, and in this preferred embodiment for one second preferred embodiment of detection system of the present invention is applicable to, this device to be measured be a display 6 ', but not as limit.Second preferred embodiment of this detection system comprise an associative unit 1 ', a power transfer device 4 ', a decision parameter devices 2 ', a console module 3 ', an actuation means 51 ', a fan a 52 ' and external PORT COM 53 '.And except this decision parameter devices 2 ' and this console module 3 ', all the other are every all similar with first preferred embodiment, so do not repeat them here.

This decision parameter devices 2 ' comprise computer unit 21 ', a setup unit 22 ', a power control unit a 23 ' and combining unit 24 '.Except this computer unit 21 ', all the other are every all similar with first preferred embodiment, so do not repeat them here.

This computer unit 21 ' generation one first rule and one second rule, and with this first rule be written into this setup unit 22 ' in, and with this second rule be burnt to this console module 3 ' in, all write down in this first rule and second rule corresponding multiple type of display the environmental parameter that should use set with control.

This console module 3 ' comprise one have a breakout box 311 ' test platform 31 ', and a plurality of transmission interfaces of this breakout box 311 ' have (figure does not show), this breakout box 311 ' reception from this decision parameter devices 2 ' integrated signal, and from this integrated signal learn this display 6 to be measured ' type, and then choose a transmission interface that is fit to according to this.This transmission interface of choosing of this breakout box 311 ' see through, with environmental parameter and control that this integrated signal write down set offer this display 6 to be measured ', drive this display 6 to be measured ' to test.

In addition, this breakout box 311 ' also have memory cell (figure does not show), this memory cell can store in this integrated signal the control set data about this controlled variable, and can store this second rule.

The testing process of second preferred embodiment and first preferred embodiment are similar, different places be step 71 ', step 72 ' with step 76 '.

Step 71 ': power-on switching device shifter 4 '.

Step 72 ': this first rule of this computer unit 21 ' generation and this second rule, and this setup unit 22 ' according to user's setting, select this first rule or this second rule as driving rule.The input of this setup unit 22 ' reception user with learn this display 6 to be measured ' type, and then search this driving rule, produce the controlled variable and the actuating signal of corresponding search result.

Step 76 ': this breakout box 311 ' this integrated signal of reception and this nominative testing data, and from this integrated signal learn this display 6 to be measured ' type, and then choose a transmission interface that is fit to according to this.This transmission interface of choosing of this breakout box 311 ' see through, with environmental parameter and control that this integrated signal write down set offer this display 6 to be measured ', drive this display 6 to be measured ' and carry out the test of this nominative testing data.

In sum, detection system of the present invention is in the face of each display of test, all can supply suitable operating environment automatically, avoid artificial set loaded down with trivial details, and the staff on the production line also if be responsible for should correspondence transmission interface and this display 6 to be measured, 6 ' join, just can test automatically, and because this setup unit 22,22 ' editability, can allow to expand at any time and revise to drive different types of display to be measured 6,6 ', simultaneously because this computer unit 21,21 ' be inessential element, be more convenient for carrying, so can reach purpose of the present invention really.

Claims

1. a detection system is applicable to and detects a device to be measured, and this detection system comprises: a decision parameter devices, and a console module; It is characterized in that: this decision parameter devices comprises:

A setup unit has a test data, and this setup unit drives a rule generation actuating signal and controlled variable with the control setting that is fit to this device to be measured corresponding to this device to be measured according to one; And

A power control unit receives this actuating signal, and according to programmable power supply signal of this actuating signal output, so that the environmental parameter that is fit to this device to be measured to be provided;

And this console module, be electrically connected between this decision parameter devices and this device to be measured, and the environmental parameter that this power control unit provides is used on this device to be measured, and drive and detect this device to be measured with controlled variable and this test data of this setup unit output.

2. detection system according to claim 1 is characterized in that: this setup unit is a field programmable gate array that can expand or revise.

3. detection system according to claim 1 is characterized in that: this power control unit has a measurement circuit, and this measurement circuit can measure this programmable power supply voltage of signals and electric current.

4. detection system according to claim 3; it is characterized in that: this power control unit also receives this controlled variable that can determine the higher limit of load voltage electric current; and this power control unit also has a holding circuit; when this programmable power supply voltage of signals and electric current reach this higher limit; this holding circuit sends an alarm signal to this setup unit; this setup unit this programmable power supply signal that will require to reset, and stop to transmit this test data.

5. detection system according to claim 1, it is characterized in that: this detection system also comprises an associative unit and an actuation means, this associative unit is responsible for getting in touch this decision parameter devices and this actuation means, and this actuation means can detect this programmable power supply voltage of signals and electric current at any time, and whether decision carries out the detection of next record test data.

6. detection system according to claim 1 is characterized in that: this console module comprises a plurality of test platforms that have a breakout box respectively, and each breakout box has a transmission interface.

7. detection system according to claim 1 is characterized in that: this console module comprises a test platform with a breakout box, and this breakout box has a plurality of transmission interfaces.

8. detection system according to claim 1, it is characterized in that: this decision parameter devices also comprises a combining unit, this combining unit receives this controlled variable and this programmable power supply signal, and is made into an integrated signal in conjunction with both remittances, and delivers to this console module.

9. detection system according to claim 1, it is characterized in that: this decision parameter devices also comprises a computer unit, this computer unit produces first rule and second rule of a plurality of respectively corresponding different devices to be measured, and first rule that will be fit to this device to be measured is written in this setup unit, and second rule that will be fit to this device to be measured records in this console module, this setup unit is chosen first rule of suitable this device to be measured and any one of second rule, is used as this driving rule.

10. detection system according to claim 1, it is characterized in that: this decision parameter devices also comprises a computer unit, this computer unit produces one first rule and one second rule, and this first rule is written in this setup unit, and this second rule is recorded in this console module, this setup unit is chosen any one of this first rule and this second rule, is used as this driving rule.

11. detection system according to claim 1, it is characterized in that: this detection system also comprises a power transfer device, this power transfer device is exported a plurality of level, as the reference voltage of this decision parameter devices, and this power transfer device has the power switch of the described level of resetting.

12. detection system according to claim 5 is characterized in that: this detection system also comprises a fan that possesses heat radiation function and be connected with this associative unit.

13. detection system according to claim 5 is characterized in that: this detection system also comprises an external PORT COM can linking up and be connected with this associative unit with outside other interfaces.