CN206340326U - A kind of detection means of probe unit and display panel - Google Patents
A kind of detection means of probe unit and display panel Download PDFInfo
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- CN206340326U CN206340326U CN201720003936.9U CN201720003936U CN206340326U CN 206340326 U CN206340326 U CN 206340326U CN 201720003936 U CN201720003936 U CN 201720003936U CN 206340326 U CN206340326 U CN 206340326U
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Abstract
The utility model provides the detection means of a kind of probe unit and display panel, it is related to display panel manufacturing technology field, the problem of detection efficiency is low in the presence of the detection process for solving the short-circuit bar type display panels of 6D, production cost is high and the Full connected probe unit rate of transferring is low.Wherein described probe unit includes：6D short bar PCB, signal is detected for generating the m data needed for carrying out the short-circuit bar type detections of 6D；The 6D short bar Signal Processing Elements being connected with 6D short bars PCB；The signal conversion part being connected with 6D short bar Signal Processing Elements, for m data to be detected into signal is converted to n data reception signals required for the driving chip of Full connected probe block；The Full connected probe block that can be detachably connected with signal conversion part；The Full connected PCB that can be detachably connected with Full connected probe block.Above-mentioned probe unit is used to apply detection signal to display panel, realizes the detection to display panel.
Description
Technical field
The utility model is related to display panel manufacturing technology field, more particularly to a kind of probe unit and display panel inspection
Survey device.
Background technology
In the manufacturing process of display panel, it usually needs display panel is detected, to find display panel in time
Various bad problems.For detecting that the device of display panel mainly includes probe unit (Probe Unit), such as Fig. 1 and Fig. 2
Shown, probe unit 100 includes：Pedestal 1, PCB (Printed Circuit Board, printed substrate) 2, connector 3 and extremely
A few probe block 4, wherein, each probe block 4 includes：FPC (Flexible Printed Circuit, flexible PCB)
41st, Signal Processing Element 42 and some probes 43.During detection, the probe 43 on the probe block 4 of probe unit 100 is shown with to be measured
Show that the detection signal end (signal end drawn in a specific way by the grid line inside display panel and data wire) of panel is connected,
Apply detection signal to grid line and data wire using probe 43, light display panel, Mura (nurses are whether there is when checking display
Draw), concealed wire etc. it is bad.
The difference of the mode of display panel is lighted according to probe unit, the detection to display panel can be roughly divided into Full connected
Formula (Full Contact) and short-circuit two kinds of bar type (Shorting Bar).For full-contact detection, required probe list
Member is specially Full connected probe unit, and the PCB and probe block included by it are the Full connected PCB and Full connected probe block of adaptation,
Signal Processing Element included by Full connected probe block is specially driving chip, and the probe included by it and display panel to be measured
Grid line and data wire correspond.Full-contact detection can be realized applies alone inspection to each pixel of display panel to be measured
Signal is surveyed, therefore any picture of display panel can be lighted, it is advantageous to detection Mura badness.But, full-contact inspection
There is following defect in survey：If there is a tissue damage to cause a bright line to picture, therefore this detection mode is held very much
Easily there is probe missing (Pin Miss), influence personnel's detection.
Short-circuit bar type detection can be divided into common short-circuit bar type (Normal Shorting Bar), switch short bar type
(Switch Shorting Bar) and 6D short circuit bar type (6D Shorting Bar).Wherein, detected for the short-circuit bar types of 6D, institute
The probe unit needed is specially 6D short bar probe units, and the PCB and probe block included by it are the 6D short bars PCB of adaptation
With 6D short bar probe blocks, the Signal Processing Element included by 6D short bar probe blocks is specially 6D short bar signal processing parts
Part, and grid line and the data wire one-to-one corresponding of the similar full-contact probe block of probe also with display panel to be measured included by it.
Carrying out the short-circuit bar type detections of 6D needs the data wire of display panel to be measured being grouped respective short circuit (such as by correspondence R/G/B pixels
The respective short circuit of data wire), but grid line not short circuit (hereinafter referred to as this display panel to be measured is the short-circuit bar type display panels of 6D),
What probe was applied to phase short circuit data wire is identical data reception signals, even if so for applying data reception signals
Probe has damage, due to data wire short circuit, therefore also ensure that the data wire corresponding to the probe of damage receives data inspection
Signal is surveyed, so as to reduce probe missing, reduction bright line detects the influence caused to personnel.But, 6D short circuit bar type detections are present
Following defect：Due to data wire short circuit, therefore it can not accurately obtain bad coordinate.
For the short-circuit bar type display panels of 6D, when being detected, it will usually preferential using the short-circuit bar type detections of 6D, work as discovery
It is bad but when accurately can not obtain bad coordinate, in addition it is also necessary to using full-contact detection.But, by 6D short bar probe units
Full connected probe unit is switched to, it is necessary to the substantial amounts of time debugs to equipment, detection efficiency is seriously reduced, in turn results in production
Can reduction；Also, the short-circuit bar type display panels of 6D of the same specification of test need to be equipped with two kinds of probes of 6D short bars and Full connected
Unit, adds production cost；Simultaneously as the display panel needed repairing is few for the display panel of volume production
Number, therefore the mobility of Full connected probe unit is not high.
Utility model content
The utility model provides the detection means of a kind of probe unit and display panel, to solve the short-circuit bar type display surfaces of 6D
The problem of detection efficiency is low in the presence of the detection process of plate, production cost is high and Full connected probe unit mobility is low.
To reach above-mentioned purpose, the utility model is adopted the following technical scheme that：
First aspect of the present utility model provides a kind of probe unit, and the probe unit includes：6D short bars PCB；
The 6D short bar Signal Processing Elements being connected with the 6D short bars PCB；It is connected with the 6D short bars Signal Processing Element
Signal conversion part；The Full connected probe block that can be detachably connected with the signal conversion part；Can be with the Full connected
The Full connected PCB that probe block is detachably connected；Wherein, the 6D short bars PCB be used for generate m data detection signal, m be into
The quantity of data reception signals needed for row 6D short circuit bar type detections；The signal conversion part is used to examine the m data
N data reception signals of signal conversion are surveyed, n is the detection signal required for the driving chip of the Full connected probe block
Quantity.
It is when being detected using probe unit provided by the utility model to the short-circuit bar type display panels of 6D, 6D is short
Road rod PCB, 6D short bar Signal Processing Element, signal conversion part and Full connected probe block are sequentially connected, 6D short bars PCB lifes
Signal is detected into the m data needed for carrying out the short-circuit bar type detections of 6D, signal conversion part is by the quantity of data reception signals by m
N required for the individual driving chip for being converted to Full connected probe block so that the data reception signals number that 6D short bars PCB is generated
Amount adapts to Full connected probe block, so that the data wire input identical data of Full connected probe block phase short circuit into display panel
Signal is detected, the short-circuit bar type detections of 6D are realized.
When to the display panel carry out full-contact detection when, due to Full connected probe block can with signal conversion part and
Full connected PCB is detachably connected, therefore only needs to disassemble Full connected probe block from signal conversion part, then will be connect entirely
Touch probe block with Full connected PCB to be connected, you can realize that full-contact is detected.
It can be seen that, need to carry out probe unit the situation of overall replacement compared with prior art during middle cuts detection methods, this
Utility model utilizes same Full connected probe block, only carries out the switching that detection mode can be achieved in simple dismounting, therefore
Also it need not just devote a tremendous amount of time and equipment is debugged, drastically increase detection efficiency, improve production capacity.Also, this
Probe unit in utility model can realize the two kinds of detections of the short-circuit bar types of 6D and full-contact, it is to avoid the same specification of test
The problem of 6D short circuit bar type display panels need to be equipped with two kinds of probe units of 6D short bars and Full connected, is conducive to production cost
Reduction, while the problem of mobility that it also avoid Full connected probe unit is low.
Second aspect of the present utility model provides a kind of detection means of display panel, and the detection of the display panel is filled
Put including probe unit as described in relation to the first aspect.
The beneficial effect of the detection means of display panel provided by the utility model is visited with provided by the utility model
The beneficial effect of pin unit is identical, and here is omitted.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of probe unit in the prior art；
Fig. 2 is the structural representation of the probe block of probe unit in the prior art；
The decomposition texture schematic diagram for the probe unit that Fig. 3 is provided by the utility model embodiment；
The structure that the probe unit that Fig. 4 is provided by the utility model embodiment is used to carry out when the short-circuit bar types of 6D are detected is shown
It is intended to；
The probe unit that Fig. 5 is provided by the utility model embodiment is used to carry out structural representation during full-contact detection
Figure.
Description of reference numerals：
100- probe units；1- pedestals；
2-PCB；2a-6D short bars PCB；
2b- Full connecteds PCB；3- connectors；
4- probe blocks；4b- Full connected probe blocks；
41-FPC；41a-6D short bars FPC；
41b- Full connecteds FPC；42- Signal Processing Elements；
42a-6D short bar Signal Processing Elements；42b- driving chips；
43- probes；5- signal conversion parts；
6- pinboards.
Embodiment
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with this practicality
Accompanying drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, institute
The embodiment of description is only a part of embodiment of the utility model, rather than whole embodiments.Based in the utility model
Embodiment, all other implementation that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example, belongs to the scope of the utility model protection.
As shown in figure 3, present embodiments providing a kind of probe unit, the probe unit includes：6D short bar PCB 2a, 6D
Short bar Signal Processing Element 42a, signal conversion part 5, Full connected probe block 4b and Full connected PCB 2b.Wherein, 6D short circuits
Rod PCB 2a, 6D short bar Signal Processing Element 42a and signal conversion part 5 are sequentially connected.Full connected probe block 4b can be with
Signal conversion part 5 is detachably connected, and Full connected probe block 4b can be also detachably connected with Full connected PCB 2b.Full connected is visited
Pin block 4b's specifically includes：Full connected FPC 41b, driving chip 42b and some probes 43, Full connected FPC 41b can be with letters
Number converting member 5 and Full connected PCB 2b are detachably connected, and driving chip 42b is connected with Full connected FPC 41b, probe 43
It is connected with driving chip 42b.
In above-mentioned probe unit, 6D short bar PCB 2a are used to generate the m numbers carried out needed for the short-circuit bar type detections of 6D
According to detection signal.Certain 6D short bar PCB 2a can also generate carry out grid detection signal needed for the short-circuit bar type detections of 6D and its
Its auxiliary signal.
6D short bar Signal Processing Elements 42a is used for data reception signals, the grid inspection generated to 6D short bar PCB 2a
Survey signal and other auxiliary signals carry out corresponding data processing operation.
Signal conversion part 5 is used to m data detecting that the quantity of signal is converted to Full connected probe block 4b driving core
N data reception signals required for piece 42b.By the m data detection signal that 6D short bar PCB 2a are generated is identical, therefore
N data reception signals being converted to through signal conversion part 5 are also identical.
Full connected FPC 41b in Full connected probe block 4b are used to transmit n data reception signals being converted to, certainly
The grid that also include of simultaneous transmission detect signal and other auxiliary signals；Driving chip 42b is used for control data detection signal, grid inspection
Survey the input of signal and other auxiliary signals；Each grid line and each number of some probes 43 and the short-circuit bar type display panel of 6D to be measured
Corresponded according to line, for applying detection signal to the short-circuit bar type display panels of 6D, the detection signal includes grid detection signal, number
According to detection signal and other auxiliary signals.
Full connected PCB 2b are used to generate the data reception signals carried out needed for full-contact detection.Certain Full connected PCB
The grid that 2b can also generate needed for carrying out full-contact detection detect signal and other auxiliary signals.
When being detected using above-mentioned probe unit to the short-circuit bar type display panels of 6D, the short-circuit bar type inspections of 6D are carried out first
Survey, detailed process is：As shown in figure 4, by 6D short bar PCB 2b, 6D short bar Signal Processing Elements 42a, signal conversion part
5 and Full connected probe block 4b is sequentially connected, and 6D short bar PCB 2b generations carry out the m data inspection needed for the short-circuit bar type detections of 6D
Signal is surveyed, signal conversion part 5 is by the quantity of data reception signals by the m driving chips for being converted to Full connected probe block 4b
N required for 42b so that the data reception signals quantity that 6D short bar PCB 2b are generated adapts to Full connected probe block 4b,
So as to the data wire input identical data reception signals of Full connected probe block 4b phase short circuits into display panel, 6D is realized short
Road bar type detection.
When find it is bad but, it is necessary to be connect entirely to the short-circuit bar type display panels of 6D when accurately can not obtain bad coordinate
Touch detects that detailed process is：As shown in figure 5, Full connected probe block 4b is disassembled from signal conversion part 5, then
Directly Full connected probe block 4b is connected with Full connected PCB 2b, Full connected PCB 2b generations are carried out needed for full-contact is detected
Grid detection signal, data reception signals and other auxiliary signals, Full connected probe block 4b put on these detection signals to be measured
On display panel, realize that full-contact is detected.It should be noted that, it is necessary to right first before full-contact detection detection is carried out
The circuit for being used for short circuit data wire on 6D short circuit bar type display panels is cut off, in order to subsequently carry out full-contact detection
During, different data reception signals can be applied to different data wires.
By the structure and application process of above-mentioned probe unit it is seen that, compared with prior art during middle cuts detection methods need
The probe unit that carried out to probe unit in the situation of overall replacement, the present embodiment is carrying out the short-circuit bar type detections of 6D and connect entirely
Identical Full connected probe block 4b is shared when touch is detected, Full connected probe block 4b is only carried out and is simply dismounted with other parts
The switching of detection mode can be achieved, therefore also need not just devote a tremendous amount of time equipment is debugged, drastically increases
Detection efficiency, improves production capacity.
Also, the probe unit in the present embodiment can realize the two kinds of detections of the short-circuit bar types of 6D and full-contact, it is to avoid
The problem of testing the short-circuit bar type display panels of 6D of same specification and need to be equipped with two kinds of probe units of 6D short bars and Full connected, have
Beneficial to the reduction of production cost, while the problem of mobility that it also avoid Full connected probe unit is low.In addition, 6D short circuit bar types
Probe block is shared with full-contact detection, therefore on the premise of with identical investment in the prior art, the technical side of the present embodiment
Case can increase spare part quantity.
Based on above-mentioned probe unit, it is preferred that as shown in figure 3, can be at 6D short bar PCB 2a and 6D short bar signals
6D short bar FPC 41a are set up between reason part 42a, it is by 6D short bar FPC 41a that 6D short bar PCB 2a and 6D is short-circuit
Rod Signal Processing Element 42a is connected.6D short bar FPC 41a's act as being used for that 6D short bar PCB 2a are generated
The detection signal transmissions of the short-circuit bar type detections of 6D is carried out to 6D short bar Signal Processing Elements 42a.
Continuing with referring to Fig. 3, in order to simplify the structure of probe unit, a pinboard 6 can be set, at 6D short bar signals
Reason part 42a and signal conversion part 5 may be contained within the pinboard 6.Wherein, 6D short bars Signal Processing Element 42a passes through
Pinboard 6 realizes the connection with 6D short bar FPC 41a, and then realizes the connection with 6D short bar PCB 2a；Signal conversion part
Part 5 is realized by pinboard 6 and is detachably connected with Full connected probe block 4b.
Test for the short-circuit bar type display panels of 6D of different size needs to match somebody with somebody, it is necessary to different detection signal
Standby different signal conversion part 5.Based on the technical scheme of above-mentioned pinboard, in order to realize being total to for remaining part in probe unit
With the connected mode for making 6D short bar FPC 41a and pinboard 6 preferably is so only needed by more also to be detachably connected
The replacing that pinboard 6 can be realized as signal conversion part 5 is changed, so that probe unit is applied to the 6D short bars of plurality of specifications
The test of formula display panel, further saves cost.
In order that the technical scheme that the present embodiment is provided is more clear understandable, said with reference to specific example
It is bright.
For the short-circuit bar type display panels of a 6D, it is assumed that it includes tri- kinds of pixels of R, G, B, the data wire of correspondence R pixels
For M1 bars and phase short circuit, the data wire of correspondence G pixels is M2 bars and phase short circuit, and the data wire of correspondence B pixels is M3 bars and phase
Short circuit, the grid line of the short-circuit bar type display panels of the 6D is P bars in addition, if then carrying out 6D short circuits to the short-circuit bar type display panels of the 6D
It (is respectively 1 R data detection signal, 1 G data detection signal, 1 B data that bar type detection, which needs 3 data reception signals,
Detect signal), P grid detection signal and N number of other auxiliary signals, if to the short-circuit bar type display panel progress full-contacts of the 6D
Detection needs M1+M2+M3 data reception signals, P grid detection signal and N number of other auxiliary signals.
Detected when carrying out the short-circuit bar types of 6D to the short-circuit bar type display panels of above-mentioned 6D using the probe unit in the present embodiment
When, by 6D short bar PCB 2b, 6D short bar Signal Processing Elements 42a, signal conversion part 5 and Full connected probe block 4b successively
Connection, 3 data reception signals, P grid detection signal needed for the short-circuit bar type detections of 6D short bar PCB 2b generation progress 6D
With N number of other auxiliary signals, 1 R data is detected that signal is converted to M1 R data and detects signal by signal conversion part 5, by 1
Individual G data detection signal is converted to M2 G data detection signal, and 1 B data is detected into signal is converted to M3 B data detection
Signal so that the data reception signals quantity that 6D short bar PCB 2b are generated adapts to Full connected probe block 4b, so as to connect entirely
Touch probe block 4b and input identical data reception signals to the data wire of phase short circuit, while Full connected probe block 4b is to display panel
P grid detection signal of input and N number of other auxiliary signals, realize the short-circuit bar type detections of 6D.
When carrying out full-contact detection to the short-circuit bar type display panels of above-mentioned 6D using the probe unit in the present embodiment,
Full connected probe block 4b is connected with Full connected PCB 2b, Full connected PCB 2b generations carry out the M1+ needed for full-contact detection
M2+M3 data reception signals, P grid detection signal and N number of other auxiliary signals, Full connected probe block 4b believe these detections
Number put on display panel to be measured, realize that full-contact is detected.
When being detected using the probe unit in the present embodiment to the short-circuit bar type display panels of the 6D of different size, example
Such as, for the display panel including tri- kinds of pixels of R, G, B and include the display panel of tetra- kinds of pixels of W, R, G, B, it is assumed that including R,
The respective short circuit of the data wire of correspondence R/G/B pixels in the display panel of tri- kinds of pixels of G, B, including tetra- kinds of pixels of W, R, G, B are aobvious
Show in panel the data wires of correspondence W/R/G/B pixels each short circuit, because the specification of two kinds of display panels is different therefore existing
A kind of 6D short bars probe unit can not meet the test needs of both display panels simultaneously.Using the probe in the present embodiment
Unit, directly can be changed pinboard, to change the signal conversion part of the display panel suitable for certain above-mentioned specification
42, you can realize the detection to the display panel of corresponding specification.
Under normal circumstances, the quantity of the Full connected probe block 4b required for display panel to be measured is multiple, therefore in this reality
Apply in example, the quantity of 6D short bars FPC 41a, 6D short bar Signal Processing Element 42a and signal conversion part 5 also should be many
It is individual, it is equal with Full connected probe block 4b quantity, and 6D short bar FPC 41a, 6D short bar Signal Processing Elements 42a, letter
Number converting member 5 and Full connected probe block 4b are corresponded.
In the present embodiment, first substrate can be set up in probe unit, by 6D short bar PCB 2a be fixedly installed in this
On one substrate.Second substrate can be also set up in probe unit, Full connected PCB 2b are fixedly installed on the second substrate.
The present embodiment additionally provides a kind of detection means of display panel, and the detection means of the display panel includes as above institute
The probe unit stated.The detection means of the display panel can produce with above-mentioned probe unit identical beneficial effect, specifically may be used
Referring to the description in the present embodiment to above-mentioned probe unit, here is omitted.
Embodiment of the present utility model is the foregoing is only, but protection domain of the present utility model is not limited to
This, any one skilled in the art is in the technical scope that the utility model is disclosed, the change that can be readily occurred in
Or replace, it should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with the power
The protection domain that profit is required is defined.
Claims (9)
1. a kind of probe unit, it is characterised in that the probe unit includes：
6D short bars PCB；
The 6D short bar Signal Processing Elements being connected with the 6D short bars PCB；
The signal conversion part being connected with the 6D short bars Signal Processing Element；
The Full connected probe block that can be detachably connected with the signal conversion part；
The Full connected PCB that can be detachably connected with the Full connected probe block；
Wherein, the 6D short bars PCB is used to generate m data detection signal, and m is the number needed for carrying out the short-circuit bar type detections of 6D
According to the quantity of detection signal；
The signal conversion part is used to the m data reception signals changing the n data reception signals, and n is described
The quantity of detection signal required for the driving chip of Full connected probe block.
2. probe unit according to claim 1, it is characterised in that the probe unit also includes 6D short bar FPC, institute
6D short bars PCB is stated to be connected with the 6D short bars Signal Processing Element by the 6D short bars FPC.
3. probe unit according to claim 2, it is characterised in that the probe unit also includes pinboard, the 6D
Short bar Signal Processing Element and the signal conversion part are arranged on the pinboard, the 6D short bars signal processing part
Part is connected by the pinboard with the 6D short bars FPC, the signal conversion part by the pinboard with it is described complete
Contact probe block is detachably connected.
4. probe unit according to claim 3, it is characterised in that the 6D short bars FPC and the pinboard company
Mode is connect to be detachably connected.
5. probe unit according to claim 2, it is characterised in that the 6D short bars FPC, the 6D short bars signal
The quantity of processing component, the signal conversion part and the Full connected probe block is multiple, and quantity is equal, and one a pair
Should.
6. the probe unit according to any one of Claims 1 to 5, it is characterised in that the Full connected probe block includes：
The Full connected FPC that can be detachably connected with the signal conversion part and the Full connected PCB；
The driving chip being connected with the Full connected FPC；
Some probes being connected with the driving chip.
7. the probe unit according to any one of Claims 1 to 5, it is characterised in that the probe unit also includes first
Substrate, the 6D short bars PCB is fixedly installed on the first substrate.
8. the probe unit according to any one of Claims 1 to 5, it is characterised in that the probe unit also includes second
Substrate, the Full connected PCB is fixedly installed on the second substrate.
9. a kind of detection means of display panel, it is characterised in that the detection means of the display panel includes such as claim 1
Probe unit described in~8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720003936.9U CN206340326U (en) | 2017-01-03 | 2017-01-03 | A kind of detection means of probe unit and display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720003936.9U CN206340326U (en) | 2017-01-03 | 2017-01-03 | A kind of detection means of probe unit and display panel |
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| Publication Number | Publication Date |
|---|---|
| CN206340326U true CN206340326U (en) | 2017-07-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212782A (en) * | 2019-06-25 | 2021-01-12 | 合肥欣奕华智能机器有限公司 | Glass substrate detection method, device and system |
-
2017
- 2017-01-03 CN CN201720003936.9U patent/CN206340326U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212782A (en) * | 2019-06-25 | 2021-01-12 | 合肥欣奕华智能机器有限公司 | Glass substrate detection method, device and system |
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Granted publication date: 20170718 Termination date: 20220103 |