CN109493776A - A kind of display panel test fixture and its test method - Google Patents
A kind of display panel test fixture and its test method Download PDFInfo
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- CN109493776A CN109493776A CN201811627327.6A CN201811627327A CN109493776A CN 109493776 A CN109493776 A CN 109493776A CN 201811627327 A CN201811627327 A CN 201811627327A CN 109493776 A CN109493776 A CN 109493776A
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- driving signal
- display panel
- test fixture
- adapter unit
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
Abstract
The invention discloses a kind of display panel test fixture and its test methods, the test fixture is for testing multiple display panels to be detected, the test fixture includes: main control module, for providing multiple groups driving signal, wherein, the driving signal of each group is for driving the different display panels to be detected；Interconnecting module is connected to the main control module and the display panel to be detected, and for shunting driving signal described in the multiple groups received, driving signal described in each group after shunting is respectively sent to the corresponding display panel to be detected.The multiple groups driving signal that main control module provides is shunted by interconnecting module, the driving signal of each group is supplied to corresponding display panel, the driving signal of each group can be made for driving corresponding display panel, to reduce the number of same group of driving signal driving display panel, to alleviate the problem of test fixture driving capability deficiency, testing efficiency is improved.
Description
Technical field
The present invention relates to field of display technology, espespecially a kind of display panel test fixture and its test method.
Background technique
It, can be by test fixture to each of display panel before display panel factory in order to improve the performance of display panel
Aspect performance is tested.
In the related technology, the main control module in display panel test fixture provides one group of test signal, passes through pinboard etc.
One group of signal is respectively supplied to multiple display panels by structure, is tested with the performance to display panel, but due to be measured
The number of the display panel of examination is more, and driving capability can be had not by being driven using one group of driving signal to multiple display panels
The problem of foot causes to each display panel while to test, so that testing efficiency is too low.
Therefore, how to realize test fixture while multiple display panels are tested, be ability to improve testing efficiency
Field technique personnel technical problem urgently to be resolved.
Summary of the invention
The embodiment of the present invention provides a kind of display panel test fixture and its test method, same in the related technology to solve
One test fixture carries out test there are driving capability deficiency to multiple display panels, leads to the problem that testing efficiency is low.
The embodiment of the invention provides a kind of display panel test fixture, the test fixture is used for multiple to be detected aobvious
Show that panel is tested, the test fixture includes:
Main control module, for providing multiple groups driving signal, wherein driving signal described in each group is used to drive different described
Display panel to be detected；
Interconnecting module is connected to the main control module and the display panel to be detected, for by the multiple groups received institute
It states driving signal to be shunted, driving signal described in each group after shunting is respectively sent to the corresponding display surface to be detected
Plate.
In one possible implementation, in above-mentioned display panel test fixture provided in an embodiment of the present invention, institute
Stating interconnecting module includes: the first adapter unit and the second adapter unit, and first adapter unit is connected to the main control module,
Second adapter unit is connected to first adapter unit and the display panel to be detected；
Wherein, first adapter unit or/and second adapter unit are used to carry out the multiple groups driving signal
It shunts.
In one possible implementation, in above-mentioned display panel test fixture provided in an embodiment of the present invention, institute
Stating the first adapter unit includes the first pinboard, and first pinboard includes multiple groups port, the corresponding one group of driving in every group of port
Signal, port described in each group send the driving signal of the group to second adapter unit.
In one possible implementation, in above-mentioned display panel test fixture provided in an embodiment of the present invention, often
The group port includes multiple connection terminals, and each connection terminal corresponds to a driving signal in this group of driving signal.
In one possible implementation, in above-mentioned display panel test fixture provided in an embodiment of the present invention, institute
Stating the second adapter unit includes the second pinboard of multiple groups, the corresponding one group of driving signal of the second pinboard described in every group, described in each group
Second pinboard sends the corresponding driving signal of the group to the display panel.
In one possible implementation, in above-mentioned display panel test fixture provided in an embodiment of the present invention, institute
Stating the second pinboard is flexible circuit board.
In one possible implementation, in above-mentioned display panel test fixture provided in an embodiment of the present invention, institute
It states the first adapter unit and driving signal described in each group is respectively supplied to each second adapter unit by multiple connectors.
In one possible implementation, in above-mentioned display panel test fixture provided in an embodiment of the present invention, institute
Stating connector is ZIF connector.
In one possible implementation, in above-mentioned display panel test fixture provided in an embodiment of the present invention, respectively
The configuration of the group driving signal is identical.
In one possible implementation, in above-mentioned display panel test fixture provided in an embodiment of the present invention, often
The group driving signal includes the part signal for driving display panel to be shown.
On the other hand, the embodiment of the invention also provides a kind of test fixture tests provided using any of the above-described embodiment
The test method of display panel, comprising:
Main control module provides multiple groups driving signal, wherein driving signal described in each group is used to drive different described to be checked
Survey display panel；
Interconnecting module shunts driving signal described in the multiple groups received, by driving signal described in each group after shunting
It is respectively sent to the corresponding display panel to be detected.
The present invention has the beneficial effect that:
A kind of display panel test fixture and its test method provided in an embodiment of the present invention, the test fixture for pair
Multiple display panels to be detected are tested, and the test fixture includes: main control module, for providing multiple groups driving signal,
In, driving signal described in each group is for driving the different display panels to be detected；Interconnecting module is connected to the master control mould
Block and the display panel to be detected, for shunting driving signal described in the multiple groups received, by each group after shunting
The driving signal is respectively sent to the corresponding display panel to be detected.Main control module provided by interconnecting module more
Group driving signal is shunted, and the driving signal of each group is supplied to corresponding display panel, because being shunted, to drop
The number of low same group of driving signal driving display panel improves survey to alleviate the problem of test fixture driving capability deficiency
Try efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of display panel test fixture in the related technology；
Fig. 2 is the structural schematic diagram of display panel test fixture provided in an embodiment of the present invention；
Fig. 3 is one of the concrete structure schematic diagram of display panel test fixture provided in an embodiment of the present invention；
Fig. 4 is the two of the concrete structure schematic diagram of display panel test fixture provided in an embodiment of the present invention；
Fig. 5 is the three of the concrete structure schematic diagram of display panel test fixture provided in an embodiment of the present invention；
Fig. 6 is the four of the concrete structure schematic diagram of display panel test fixture provided in an embodiment of the present invention；
Fig. 7 is the concrete structure schematic diagram of the first pinboard in test fixture provided in an embodiment of the present invention；
Fig. 8 is the five of the concrete structure schematic diagram of display panel test fixture provided in an embodiment of the present invention；
Fig. 9 is the method flow diagram of the test method of display panel provided in an embodiment of the present invention.
Specific embodiment
In the related technology, the test fixture tested to display panel is as shown in Figure 1, comprising: main control module 01 and turns
One group of test signal a is supplied to interconnecting module 02 by connection module 02, the main control module 01, which is tested signal by interconnecting module 02
A is respectively supplied to multiple display panels 03, is tested with testing signal a by the group multiple display panels 03, e.g., master control
Module 01 provides one group of test signal a and tests 10 display panels 03, due to the display surface of group test signal a driving
The number of plate 03 is relatively more, and when the full row of each display panel 03 is lighted, can have several display panels 03 can not be lighted
Problem；If group test signal a only drives 7~8 display panels 03 therein, driven all displays
Panel 03 can be lighted, but will cause the waste of test fixture；It can also be to the odd-numbered line and even number line of each display panel 03
It is respectively driven, this kind of mode then will lead to the increase of testing time, so that testing efficiency is too low.
Therefore, for test fixture in the related technology when testing display panel the existing above problem, this
Inventive embodiments provide a kind of display panel test fixture and its test method.With reference to the accompanying drawing, to the embodiment of the present invention
The specific embodiment of a kind of display panel test fixture and its test method that provide is described in detail.
The embodiment of the invention provides a kind of display panel test fixture, as shown in Fig. 2, test fixture be used for it is multiple to
Detection display panel 3 is tested, and test fixture includes:
Main control module 1, for providing multiple groups driving signal (a1Group, a2Group ... aiGroup), wherein each group driving signal is used for
Drive corresponding display panel to be detected 3；
Interconnecting module 2 is connected to main control module 1 and display panel 3 to be detected, the multiple groups driving signal for will receive
(a1Group, a2Group ... aiGroup) it is shunted, each group driving signal after shunting is respectively sent to corresponding display panel to be detected
3。
As shown in Fig. 2, main control module 1 is by a1Group, a2Group ... aiGroup driving signal is supplied to interconnecting module 2, interconnecting module 2
By a1Group, a2Group ... aiGroup driving signal is shunted, i.e., by a1Group driving signal is supplied to panel 1 and panel 2, by a2Group driving
Signal is supplied to panel 3 and panel 4 (not being painted), by aiGroup driving signal has been respectively supplied to panel n-1 and panel n, therefore,
Same group of driving signal is only used for driving one, two or more panels in display panel to be detected, for example, every group can also be with
5 panels are driven simultaneously, it is ensured that during the test, each display panel can be driven via storage capacitors simultaneously, and improve test
The testing efficiency of jig.
Specifically, in display panel test fixture provided in an embodiment of the present invention, the test fixture be used for it is multiple to
Detection display panel is tested, which includes: main control module, for providing multiple groups driving signal, wherein each group is driven
Dynamic signal is for driving different display panels to be detected；Interconnecting module is connected to main control module and display panel to be detected, uses
It shunts, each group driving signal after shunting is respectively sent to corresponding to be detected in the multiple groups driving signal that will be received
Display panel.The multiple groups driving signal that main control module provides is shunted by interconnecting module, the driving signal of each group is mentioned
Corresponding display panel is supplied, due to being shunted, so that the number of same group of driving signal driving display panel is reduced,
To alleviate the problem of test fixture driving capability deficiency, testing efficiency is improved.
Optionally, in display panel test fixture provided in an embodiment of the present invention, as shown in Figures 3 to 5, interconnecting module
2 include: the first adapter unit 21 and the second adapter unit 22, and the first adapter unit 21 is connected to main control module 1, and the second switching is single
Member 22 is connected to the first adapter unit 21 and display panel 3 to be detected；
Wherein, the first adapter unit 21 or/and the second adapter unit 22 are for shunting multiple groups driving signal.
Specifically, in display panel test fixture provided in an embodiment of the present invention, as shown in figure 3, main control module 1 is by a1
Group, a2Group ... aiGroup driving signal is supplied to the first adapter unit 21, and first adapter unit 21 is by a1Group, a2Group ... aiGroup driving
Signal is shunted, and two a are exported1Group driving signal, an a2Group driving signal and two aiGroup driving signal, after shunting
Signal be supplied to the second adapter unit 22, second adapter unit 22 by the first adapter unit 21 shunt after signal be supplied to
Corresponding display panel to be detected 3 tests display panel 3 to be detected.
Specifically, in display panel test fixture provided in an embodiment of the present invention, as shown in figure 4, main control module 1 is by a1
Group, a2Group ... aiGroup driving signal is supplied to the first adapter unit 21, a that the first adapter unit 21 will directly receive1Group, a2
Group ... aiGroup driving signal is supplied to the second adapter unit 22, a that the second adapter unit 22 will receive1Group, a2Group ... aiGroup is driven
Dynamic signal is shunted, and two a are exported1Group driving signal, an a2Group driving signal and two aiGroup driving signal, will shunt
Each group driving signal afterwards is supplied to corresponding display panel to be detected 3.
Specifically, in display panel test fixture provided in an embodiment of the present invention, as shown in figure 5, main control module 1 is by a1
Group, a2Group ... aiGroup driving signal is supplied to the first adapter unit 21, and the first adapter unit 21 carries out part to each group driving signal
Shunting processing, as shown in figure 5, a of the first adapter unit 21 output1Group and a2Group driving signal is not shunted, and is directly provided
To the second adapter unit 22, and the first adapter unit 21 is to aiGroup driving signal is shunted, by a after shuntingiGroup driving signal
It is supplied to the second adapter unit 22；Second adapter unit 22 is to a not shunted1Group and a2Group driving signal is shunted, point
At two a1Group driving signal and an a2Group driving signal is supplied to corresponding display panel to be detected 3, the second adapter unit 22
The a of processing shunt to the first adapter unit 21iGroup driving signal no longer carries out shunting processing, is supplied directly to correspond to
Display panel to be detected 3.
It should be noted that in display panel test fixture provided in an embodiment of the present invention, the first adapter unit or/and
Second adapter unit is for shunting multiple groups driving signal, and every group of driving signal is corresponding with how many a display panels after shunting
It is set according to the actual situation, is not limited in the corresponding relationship limited in above-described embodiment.
Optionally, in display panel test fixture provided in an embodiment of the present invention, as shown in fig. 6, the first adapter unit
Including the first pinboard 211, the first pinboard 211 includes multiple groups port (CH1, CH2, CH3 ... CHn-1, CHn), every group of port
Corresponding one group of driving signal, each group port send the driving signal of the group to the second adapter unit.
Specifically, in display panel test fixture provided in an embodiment of the present invention, as shown in fig. 7, the first pinboard 211
Each group driving signal is shunted by the multiple groups port (CH1, CH2, CH3 ... CHn-1, CHn) of setting, with shown in Fig. 7, with
First pinboard 211 is shunted two groups of driving signals (one group are as follows: R0, G0, B0, another group is R1, B1, G1) for driving
For four display panels, every group of port exports one group of driving signal (R0, G0, B0 or R1, B1, G1), and has at least two
The driving signal of group port output is different groups of driving signal, drives multi-panel to generate to alleviate same group of driving signal
The problem of driving capability deficiency.
Optionally, in display panel test fixture provided in an embodiment of the present invention, every group of port includes multiple connecting pins
Son, each connection terminal correspond to a driving signal in this group of driving signal.
Specifically, in display panel test fixture provided in an embodiment of the present invention, as shown in fig. 7, the first pinboard connects
Receiving in two groups of driving signals (one group are as follows: R0, G0, B0, another group is R1, B1, G1) includes multiple for driving display panel
Signal can be data-signal R0, R1, B0, B1, G0 and G1 for driving each pixel to light, certainly can also include other
Signal (not specifically illustrated in figure), thus in each group port CH1, CH2, CH3 and CH4 include 3 couples of connection terminals D1, D2 and
D3 and D1 ' corresponding with D1, D2 and D3, D2 ' and D3 ' are connected for signal wire corresponding with each signal, to realize
The transmission of signal.Such as wherein first group of driving signal may include data-signal R0, G0 and B0；Second group of driving signal can be with
Including data-signal R1, G1 and B1；Therefore 3 pairs of connection terminals, the letter that the first pinboard receives are included at least in each group port
Number R0, G0 and B0 are connect with D1, D2 and D3 terminal in first group of port CH1 and second group of port CH2 respectively, pass through D1 ',
D2 ' and D3 ' terminal are supplied to corresponding second pinboard；Signal R1, G1 and B1 that first pinboard receives respectively with third
D1, D2 in port CH3 and the 4th group of port CH4 of group are connected with D3, are passed through D1 ', D2 ' and D3 ' and are supplied to corresponding second turn
Fishplate bar.I.e. each driving signal (R0, G0, B0, R1, G1 and B1) by signal wire respectively with each group port (CH1, CH2, CH3 and
The mode of connection terminal (D1, D2 and D3) corresponding connection in CH4), realization shunt each group driving signal.It needs
Bright, Fig. 7 is shunt by receive two groups of driving signals with the first pinboard 211 being used to drive four display panels
For be illustrated, but be not limited to that, the present invention may include multiple groups signal, multiple groups connectivity port and corresponding
Relationship, principle is same as the previously described embodiments, and details are not described herein.
Optionally, in display panel test fixture provided in an embodiment of the present invention, as shown in Figure 6 and Figure 8, the second switching
Unit includes the second pinboard of multiple groups 221, the corresponding one group of driving signal of every group of second pinboard 221, the second pinboard of each group 221
The corresponding driving signal of the group is sent to display panel 3.
Specifically, in display panel test fixture provided in an embodiment of the present invention, as shown in fig. 6, the first pinboard 211
Shunted that (to the embodiment that Fig. 7 is illustrated, how have been described above the first pinboard is to each to each group driving signal
Group driving signal is shunted, and details are not described herein), the driving signal for being supplied to second pinboard 221 be letter after shunting
Number, this group of driving signal received is directly supplied to corresponding display panel 3 by the second pinboard 221.As shown in figure 8, the
The undocked each group driving signal received of one pinboard 211 is shunted, but the signal provided to each second pinboard 221
In include multiple groups or all groups of driving signal, in that case, the second pinboard 221 only receives display connected to it
The driving signal of the corresponding group of panel 3, and it is supplied to corresponding display panel 3, do not receive the driving signal of other groups, to reach
It is shunted by the second pinboard 221.
Optionally, in display panel test fixture provided in an embodiment of the present invention, the second pinboard is flexible circuit board.
Certainly, the second pinboard can also be other any circuit boards that can be realized above-mentioned function, be carried out according to actual use situation
Selection, is not specifically limited herein.
Optionally, in display panel test fixture provided in an embodiment of the present invention, the first adapter unit passes through multiple companies
It connects device and each group driving signal is respectively supplied to each second adapter unit.
Specifically, in display panel test fixture provided in an embodiment of the present invention, the number of connector and the first switching
The port set number for including in plate is identical；Each connector includes multipair connection terminal, the connection terminal that wherein connector includes
Logarithm is identical as the number of terminal for including in one group of port in the first pinboard, to realize the signal for providing the first pinboard
Effectively transmitted.
Optionally, in display panel test fixture provided in an embodiment of the present invention, connector can be ZIF connector.
Certainly it can also be the other types connector that can be realized the function, be selected according to actual use situation, do not made herein
It is specific to limit.
Optionally, in display panel test fixture provided in an embodiment of the present invention, the configuration of each group driving signal is identical.
Wherein, when the same performance to multiple display panels is tested, the configuration of each group driving signal needs to keep
Identical, the type of specially driving signal is identical, and number is identical, and voltage strength is mutually same.Certainly it is tested to each display panel
When different performance, it is different to set each group driving signal to configuration, is selected according to actual use situation, herein
It is not especially limited.
Optionally, in display panel test fixture provided in an embodiment of the present invention, every group of driving signal includes for driving
The part signal that dynamic display panel is shown.
Specifically, in display panel test fixture provided in an embodiment of the present invention, when testing display panel,
Driving signal is provided to display panel, is not that each driving signal has that driving capability is insufficient, will can only deposit
Be grouped in the insufficient driving signal of driving capability, and other there is no driving capability deficiency problem driving signal without
Grouping, each display panel share.
Based on the same inventive concept, the embodiment of the invention provides a kind of test fixtures using in any of the above-described embodiment
The test method of display panel is tested, as shown in Figure 9, comprising:
S901, main control module provide multiple groups driving signal, wherein each group driving signal is used to drive different to be detected aobvious
Show panel；
S902, interconnecting module shunt the multiple groups driving signal received, by each group driving signal after shunting point
It is not sent to corresponding display panel to be detected.
Wherein, the principle of the test method and implementation are identical as the test fixture provided in above-described embodiment, because
This, the specific implementation of the test method may refer to the specific embodiment of test fixture, and details are not described herein.
To sum up, a kind of display panel test fixture and its test method provided in an embodiment of the present invention, the test fixture
For testing multiple display panels to be detected, the test fixture includes: main control module, for providing multiple groups driving letter
Number, wherein driving signal described in each group is for driving the different display panels to be detected；Interconnecting module is connected to described
Main control module and the display panel to be detected, for shunting driving signal described in the multiple groups received, after shunting
Each group described in driving signal be respectively sent to the corresponding display panel to be detected.Main control module is mentioned by interconnecting module
The multiple groups driving signal of confession is shunted, and the driving signal of each group is supplied to corresponding display panel, because being shunted,
To reduce the number of same group of driving signal driving display panel, to alleviate the problem of test fixture driving capability deficiency,
Improve testing efficiency.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (11)
1. a kind of display panel test fixture, which is characterized in that the test fixture be used for multiple display panels to be detected into
Row test, the test fixture include:
Main control module, for providing multiple groups driving signal, wherein driving signal described in each group is corresponding described to be checked for driving
Survey display panel；
Interconnecting module is connected to the main control module and the display panel to be detected, for by drive described in the multiple groups received
Dynamic signal is shunted, and driving signal described in each group after shunting is respectively sent to the corresponding display panel to be detected.
2. test fixture as described in claim 1, which is characterized in that the interconnecting module includes: the first adapter unit and
Two adapter units, first adapter unit are connected to the main control module, and second adapter unit is connected to described first
Adapter unit and the display panel to be detected；
Wherein, first adapter unit or/and second adapter unit are for shunting the multiple groups driving signal.
3. test fixture as claimed in claim 2, which is characterized in that first adapter unit includes the first pinboard, institute
Stating the first pinboard includes multiple groups port, and every group of port corresponds to one group of driving signal, and port described in each group sends the driving of the group
Signal is to second adapter unit.
4. test fixture as claimed in claim 3, which is characterized in that port described in every group includes multiple connection terminals, each
The connection terminal corresponds to a driving signal in this group of driving signal.
5. test fixture as claimed in claim 2, which is characterized in that second adapter unit includes that multiple groups second are transferred
Plate, the second pinboard described in every group correspond to one group of driving signal, and the second pinboard described in each group sends the corresponding driving letter of the group
Number to the display panel.
6. test fixture as claimed in claim 5, which is characterized in that second pinboard is flexible circuit board.
7. such as the described in any item test fixtures of claim 2-6, which is characterized in that first adapter unit passes through multiple companies
It connects device and driving signal described in each group is respectively supplied to each second adapter unit.
8. test fixture as claimed in claim 7, which is characterized in that the connector is ZIF connector.
9. test fixture as claimed in any one of claims 1 to 6, which is characterized in that the configuration phase of driving signal described in each group
Together.
10. test fixture as claimed in any one of claims 1 to 6, which is characterized in that driving signal described in every group includes being used for
The part signal that driving display panel is shown.
11. a kind of test method using such as the described in any item test fixture test display panels of claim 1-10, special
Sign is, comprising:
Main control module provides multiple groups driving signal, wherein driving signal described in each group is used to drive different described to be detected aobvious
Show panel；
Interconnecting module shunts driving signal described in the multiple groups received, and driving signal described in each group after shunting is distinguished
It is sent to the corresponding display panel to be detected.
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| CN105304000A (en) * | 2015-09-23 | 2016-02-03 | 昆山龙腾光电有限公司 | Liquid crystal display module aging test system |
| CN108172153A (en) * | 2017-12-27 | 2018-06-15 | 苏州华兴源创电子科技有限公司 | A kind of LCD module group aging test device and include its equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110187199A (en) * | 2019-04-16 | 2019-08-30 | 昆山国显光电有限公司 | The ageing processing device and ageing method of display panel |
| CN110187199B (en) * | 2019-04-16 | 2022-03-25 | 昆山国显光电有限公司 | Aging treatment equipment and aging treatment method for display panel |
| CN114333659A (en) * | 2021-12-24 | 2022-04-12 | 苏州华星光电技术有限公司 | Display panel detection system |
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