CN202650485U - Voltage test adjustment tool - Google Patents
Voltage test adjustment tool Download PDFInfo
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- CN202650485U CN202650485U CN 201220329510 CN201220329510U CN202650485U CN 202650485 U CN202650485 U CN 202650485U CN 201220329510 CN201220329510 CN 201220329510 CN 201220329510 U CN201220329510 U CN 201220329510U CN 202650485 U CN202650485 U CN 202650485U
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- housing
- voltage
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- adjustment means
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Abstract
The utility model relates to the liquid crystal display technology, especially to a voltage test adjustment tool that is used for improving the efficiency of adjustment of the voltage of the public electrode in the liquid crystal display. Disclosed in the utility model is the voltage test adjustment tool that comprises a housing, an adjustment pen, a voltage test module, a display and two probes. The adjustment pen is connected with the housing and is extended out of the first end surface of the housing. The two probes are respectively arranged at two sides of the adjustment pen; one end of each of the probes passes through the first end surface of the housing and is connected with the voltage test module by a lead. The voltage test module is arranged inside the housing; and the two probes are used to measure the voltage of the public electrode of the liquid crystal display. The display is arranged on the housing and is connected with the voltage test module. According to the voltage test adjustment tool provided by the utility model, the voltage of the public electrode not only can be adjusted and but also can be tested. Therefore, the utilization of the voltage test adjustment tool enables the efficiency of adjustment of the public electrode voltage in the liquid crystal display to be improved.
Description
Technical field
The utility model relates to technical field of liquid crystal display, particularly a kind of voltage tester adjustment means.
Background technology
At present, general liquid crystal display produces the electric circuit constitute by gate drivers, source electrode driver, liquid crystal panel and public electrode voltages (Vcom voltage), wherein, Vcom voltage cooperates the liquid crystal in the pixel voltage drive liquid crystal panel, thereby finishes picture disply.But owing to there are differences between the setting value of Vcom voltage and the actual value, flicker (Flicker) phenomenon may appear in liquid crystal panel during use, therefore, scintillation occurs for fear of liquid crystal panel, before dispatching from the factory, need the Vcom voltage of adjustable liquid crystal display display.The main mode that adopts range estimation and digital measurement to combine is regulated the Vcom magnitude of voltage at present.
Wherein, the Vcom voltage generation circuit comprises slide rheostat, can regulate Vcom voltage by regulating described slide rheostat.In existing technique, generally be to regulate pen with mechanical type to regulate slide rheostat, as shown in Figure 1, main body 1 and nib 2 that mechanical type is regulated pen are one, during adjusting, use mechanical type to regulate pen and stir slide rheostat, observe simultaneously whether scintillation is arranged on the liquid crystal panel, until there is not scintillation on the liquid crystal panel, finish the Vcom voltage adjustment of liquid crystal display.Above-mentioned test mode is also referred to as the range estimation regulative mode.
But the range estimation regulative mode has certain defective, and error ratio is larger, and may also there be bad that some naked eyes can't find in liquid crystal panel, such as Crosstalk(cross-talk phenomenon) the Mura(gray scale is undesired) etc., therefore also need to measure the Vcom magnitude of voltage.And mechanical type adjusting pen can not be tested the Vcom magnitude of voltage, also needs to use other testing tool test Vcom magnitude of voltage; When if the measured value of Vcom voltage and setting value still have certain difference, also need to use mechanical type to regulate style joint slide rheostat, so repeatedly switch and regulate Vcom voltage, will have a strong impact on Vcom voltage-regulation efficient, be unfavorable for producing in enormous quantities.
As seen, the existing machinery formula is regulated the function singleness of pen, can only regulate slide rheostat, can not test the Vcom magnitude of voltage, causes the Vcom voltage efficiency of adjustable liquid crystal display display low.
The utility model content
The utility model provides a kind of voltage tester adjustment means, is used for the efficient of the public electrode voltages (Vcom voltage) of raising adjustable liquid crystal display display.
The voltage tester adjustment means that the utility model provides comprises: housing, adjusting pen, voltage test module, display and two probes; Wherein,
Described adjusting pen is connected with described housing, and the first end face of extended described housing, is used for the Vcom voltage of adjustable liquid crystal display display; Described two probes lay respectively at the described both sides of regulating pen, and an end of every described probe passes the first end face of described housing, and is connected with described voltage test module by wire; Described voltage test module is positioned at described housing, by the Vcom voltage of described two described liquid crystal display of probe measurement; Described display is embedded on the described housing, and is connected with described voltage test module, is used for showing the Vcom magnitude of voltage of described liquid crystal display.
From technique scheme as can be known, voltage tester adjustment means in the utility model is the Vcom voltage of adjustable liquid crystal display both, also can measure the Vcom magnitude of voltage of liquid crystal display, therefore, regulate pen with existing mechanical type and compare, can significantly improve the efficient of the Vcom voltage of adjustable liquid crystal display display.
Description of drawings
Fig. 1 is the structural representation that mechanical type is regulated pen in the prior art;
Fig. 2 is the front view of voltage tester adjustment means among the utility model embodiment;
Fig. 3 is the cut-open view of voltage tester adjustment means in the utility model specific embodiment;
Fig. 4 is the cut-open view of voltage tester adjustment means in another specific embodiment of the utility model;
Fig. 5 a is the side view of button 30 among Fig. 4;
Fig. 5 b is the rear view of button 30 among Fig. 4.
Embodiment
Liquid crystal display is before dispatching from the factory, need to debug the Vcom voltage of liquid crystal display, so that elimination flickers etc. are bad, the general mechanical type adjusting pen that adopts is regulated Vcom voltage by the slide rheostat of adjusting in the Vcom voltage generation circuit, but mechanical type is regulated a function singleness, can only regulate slide rheostat, can not test the Vcom magnitude of voltage, cause in the adjustable liquid crystal display display Vcom voltage efficiency low
In view of this, the utility model provides a kind of voltage tester adjustment means, comprising: housing, adjusting pen, voltage test module, display and two probes; Wherein,
Regulate pen and be connected with housing, and the first end face of extended housing, for the Vcom voltage of adjustable liquid crystal display display; Two probes lay respectively at the both sides of regulating pen, and an end of every probe passes the first end face of housing, and is connected with voltage test module by wire; Voltage test module is positioned at housing, by the Vcom voltage of two probe measurement liquid crystal display; Display is embedded on the housing, and is connected with voltage test module, is used for showing the Vcom magnitude of voltage of liquid crystal display.
By voltage test module, display and the probe that increases, make the voltage tester adjustment means can test the Vcom magnitude of voltage, thereby the voltage tester adjustment means is the Vcom voltage of adjustable liquid crystal display both, can test the Vcom magnitude of voltage again, improve the efficient of the Vcom voltage of adjustable liquid crystal display display.
In order to make those skilled in the art better understand the technical solution of the utility model, below in conjunction with Figure of description the utility model embodiment is described in detail.
Referring to Fig. 2, be the front view of voltage tester adjustment means among the utility model embodiment.This voltage tester adjustment means comprises: housing 110, regulate pen 120, probe 130, probe 131, voltage test module 140, display 150; Wherein,
Regulate pen 120 and be fixed on the first end face of housing 110, be used for the Vcom voltage of adjustable liquid crystal display display.Preferably, regulate pen 120 and adopt segmentation structure, comprising: penholder and nib; Wherein, an end of penholder is connected with housing 110, and the other end is connected with nib, and written and penholder removably connects, and namely nib can disassemble from penholder.When regulating the Vcom voltage of different model liquid crystal display, can select suitable nib according to the size of the slide rheostat in the Vcom voltage generation circuit like this.Therefore, regulate pen with mechanical type in the prior art and can only regulate the slide rheostat of single model and compare, the slide rheostat of the Multiple Type regulated of the formula of the taking adjustment means among the utility model embodiment namely is applicable to the liquid crystal display of Multiple Type.
Preferably, every probe adopts segmentation structure, and namely every probe comprises probe rod and probe; Wherein, an end of probe rod passes the first end face of housing 110, and is fixed on the first end face, and the other end and probe are hinged, and can rotate by predetermined angular; And when the angle between probe and the probe rod was 0 °, probe and probe rod were folded together.It is worth mentioning that, probe rod and probe are hinged, hinged mode for be threaded, rotating shaft connection or rotary knob connect.
In addition, for the ease of using, wherein the probe of a probe is red, and the probe of another root probe is black.During test, the probe of redness is pricked on the test point of Vcom voltage, the probe of black is pricked the ground connection place of Vcom voltage annex.
Power module comprises power module circuitry and external power supply or the internal battery of power supply is provided, for foregoing circuit plate and display 150 provide operating voltage.
From technique scheme as can be known, by probe 130, probe 131, voltage test module 140, display 150 can obtain the Vcom magnitude of voltage of liquid crystal display.
Preferably, the voltage tester adjustment means also comprises: switch 160; Switch 160 is positioned on the housing 110, and is connected with power module, and the control power module is switched on or switched off; That is to say, when pressing switch 160, the turn-on power modular circuit is for circuit board and display 150 provide operating voltage; When again when the switch 160, the deenergization modular circuit, stopping is circuit board and display 150 power supplies, like this when not needing the use test function or voltage tester adjustment means when idle, but the powered-down module, thus can using electricity wisely.
In above-described embodiment, regulating pen 120 is fixedly connected with housing 110, but the utility model is not limited to this, regulating pen 120 has multiple with housing 110 connected modes, comprise: regulate pen 120 and be fixed on the first end face of housing 110, or be positioned at housing 110, and the first end face of extended housing 110.When only having one to regulate, regulate pen this moment and be fixed on the first end face or be positioned at housing 110; When two or two are arranged with adjusted, regulate pen this moment and can only be positioned at housing 110, and the quantity of regulating pen is that size by housing 110 remaining space inside decides.
Particularly, when only having one to regulate in the housing 110, in other words, be provided with one in the housing 110 and regulate pen, as shown in Figure 3, the voltage tester adjustment means also comprises: button 11, gear set 12 and spring 13; Wherein,
One end of button 11 stretches out the second end face of housing 110, and the other end is positioned at housing 110, and is connected with an end of gear set 12, and the other end of gear set 12 is connected with adjusting pen 120, at the pen head part of regulating pen one spring 13 is arranged.Cooperation by button 11, gear set 12 and spring 13 can realize regulating that pen 120 stretches out or the first end face of retraction housing 110.
When having two or two to be positioned at housing 110 with the adjusted pen, this moment, the voltage tester adjustment means also comprised: the dividing plate with at least two shoulder holes and at least two springs of being positioned at housing 110; And at least two sides are positioned at housing 110, and opposite side stretches out housing 110 sides, and have the button of buckle; And the gathering sill with step that stretches out of the second end face from housing 110 that cooperates with button; Wherein,
Each is only regulated pen and is connected with a button, a spring respectively, and passes a shoulder hole of dividing plate, and the buckle by button cooperates the realization adjusting to stretch out or the first end face of retraction housing 110 with the step of gathering sill.
As shown in Figure 4, when having two to regulate in the housing 110, be provided with in other words two in the housing 110 and regulate pen, this voltage tester adjustment means also comprises: the gathering sill with step 20 that stretches out from the second end face of housing 110, button 30, button 31, spring 40, spring 41, dividing plate 50; Wherein, regulate pen 120 and is connected with button 30, spring 40, and pass a shoulder hole of dividing plate 50, stretch out or the first end face of the described housing 110 of retracting by the realization adjusting 120 that cooperates of button 30 and gathering sill 20; Regulate pen 121 and is connected with button 31, spring 41, and pass a shoulder hole of dividing plate 50, stretch out or the first end face of the described housing 110 of retracting by the realization adjusting 121 that cooperates of button 31 and gathering sill 20.
Particularly, please continue referring to Fig. 4, sidewall at housing 110 is relatively set with two strip holes, Width button 30 and the button 31 in described strip hole are slightly wide, housing 110 sidewalls of length from housing 110 sidewalls of the coboundary of button 31 contact to the lower limb contact of button 30, namely the length in described strip hole is the distance between housing 110 sidewalls and housing 110 sidewalls that the lower limb of button 30 contacts of coboundary contact of button 31 among Fig. 4.
Please continue referring to Fig. 4 the gathering sill with step 20 that stretches out from housing 110 second end faces, and gathering sill 20 and the corresponding setting in described strip hole; In other words, observe gathering sill 20 from described strip hole site, two the strip rectangular parallelepipeds of gathering sill 20 for stretching out from housing 110 second end faces, in the part of described two strip rectangular parallelepipeds away from housing 110 second end faces, and with described strip hole over against face be respectively arranged with symmetrical step; Be respectively arranged with identical step in the bottom of two strip rectangular parallelepipeds in other words; It is groove between two strip rectangular parallelepipeds.
An end of regulating pen 120 is connected with button 30, and the other end passes a shoulder hole of the correspondence on the dividing plate 50, and between button 30 and dividing plate 50 part, regulating upward to overlap has spring 40.One end of spring 40 can contact with 30 of button, and the other end can contact with dividing plate 50, but spring 40 can not pass the shoulder hole of dividing plate 50.
When pressing button 30, button 30 slides along gathering sill 20, after arriving the step place of gathering sill 20, cooperate with the step of gathering sill 20 by the first buckle 301 on the button 30, button 30 blocks, and regulates the first end face that pen 120 stretches out housing 110 this moment, when again pressing this button 30, under the effect of spring 40, button 30 initial position that rebounds is regulated the first end face of pen 120 retraction housings 110 this moment; Or when pressing another one button 31, button 31 slides along corresponding gathering sill 20, when arriving gathering sill 20 step place, the 4th buckle 311 of button 31 contacts with the second buckle 302 of button 30, button 30 is ejected the step of gathering sill 20, under the effect of spring 40, button 30 initial position that rebounds is regulated the first end face of pen 120 retraction housings 110 this moment; Button 31 is stuck on the step of gathering sill 20 correspondences, regulates the first end face that pen 121 stretches out housing 110.
In sum, voltage tester adjustment means among the utility model embodiment, by increasing by two probes, voltage measurement module, display, make the voltage tester adjustment means can measure the Vcom voltage of liquid crystal display, therefore, compared with prior art, do not need to re-use other measuring voltage instruments, can improve significantly the efficient of the Vcom voltage of measuring liquid crystal display.
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 (9)
1. a voltage tester adjustment means is characterized in that, comprising: housing, adjusting pen, voltage test module, display and two probes; Wherein,
Described adjusting pen is connected with described housing, and the first end face of extended described housing, is used for the public electrode voltages of adjustable liquid crystal display display;
Described two probes lay respectively at the described both sides of regulating pen, and an end of every described probe passes the first end face of described housing, and is connected with described voltage test module by wire;
Described voltage test module is positioned at described housing, by the public electrode voltages of described two described liquid crystal display of probe measurement;
Described display is arranged on the described housing, and is connected with described voltage test module, is used for showing the public electrode voltages value of described liquid crystal display.
2. voltage tester adjustment means as claimed in claim 1 is characterized in that, described voltage test module comprises circuit board and power module; Wherein,
Described circuit board respectively with described power module be connected display and be connected, be used for the public electrode voltages value of the described liquid crystal display of described two probes acquisition is sent to described display;
Described power module provides operating voltage for described circuit board and described display.
3. voltage tester adjustment means as claimed in claim 2 is characterized in that, also comprises: switch, described switch is positioned on the described housing, and is connected with described power module, controls described power module and is switched on or switched off.
4. voltage tester adjustment means as claimed in claim 1 is characterized in that, described probe comprises: probe rod, probe; Wherein,
One end of described probe and described probe rod is hinged, and can rotate by predetermined angular.
5. voltage tester adjustment means as claimed in claim 1 is characterized in that, described hull shape is cylindrical, ellipse or taper.
6. voltage tester adjustment means as claimed in claim 1 is characterized in that, described first end face that is fixed on described housing of regulating; Or described adjusting pen is positioned at described housing, and the first end face of extended described housing.
7. voltage tester adjustment means as claimed in claim 6 is characterized in that,
Be provided with one in the described housing and regulate pen;
Described voltage tester adjustment means further comprises: the gear set and the spring that are positioned at described housing; And one end be positioned at described housing, the other end stretches out the button of described second end of the housing face; Wherein,
Described button, gear set, adjusting pen, spring connect successively, can realize that described adjusting pen stretches out or the first end face of the described housing of retracting.
8. voltage tester adjustment means as claimed in claim 6 is characterized in that,
Be provided with two in the described housing and regulate pen;
Described voltage tester adjustment means further comprises: the dividing plate with at least two shoulder holes and at least two springs of being positioned at described housing; And at least two sides are positioned at described housing, and opposite side stretches out described housing side, and have the button of buckle; And the gathering sill with step that stretches out of the second end face from described housing that cooperates with described button; Wherein,
Each only described adjusting pen be connected with a described button, a described spring respectively, and passing a shoulder hole of described dividing plate, the buckle by described button cooperates with the step of described gathering sill to be realized describedly regulating that pen stretches out or the first end face of the described housing of retracting.
9. such as each described voltage tester adjustment means of claim 1-8, it is characterized in that, described adjusting pen comprises: penholder and nib; Wherein,
Described nib and described penholder removably connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329510 CN202650485U (en) | 2012-07-06 | 2012-07-06 | Voltage test adjustment tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329510 CN202650485U (en) | 2012-07-06 | 2012-07-06 | Voltage test adjustment tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202650485U true CN202650485U (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220329510 Expired - Fee Related CN202650485U (en) | 2012-07-06 | 2012-07-06 | Voltage test adjustment tool |
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| CN (1) | CN202650485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016090843A1 (en) * | 2014-12-09 | 2016-06-16 | 京东方科技集团股份有限公司 | Test probe and test equipment |
-
2012
- 2012-07-06 CN CN 201220329510 patent/CN202650485U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016090843A1 (en) * | 2014-12-09 | 2016-06-16 | 京东方科技集团股份有限公司 | Test probe and test equipment |
| US10281490B2 (en) | 2014-12-09 | 2019-05-07 | Boe Technology Group Co., Ltd. | Testing probe for testing liquid crystal screen and testing device comprising the same |
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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: 20150707 Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150707 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150707 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE Technology Group Co., Ltd. Patentee after: Beijing BOE Photoelectricity Science & Technology Co., Ltd. Address before: 100176 Beijing city in Western Daxing District economic and Technological Development Zone, Road No. 8 Patentee before: Beijing BOE Photoelectricity Science & Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20210706 |