CN106908685B - A kind of test macro and its test method of mutual capacitance type touch display unit - Google Patents
A kind of test macro and its test method of mutual capacitance type touch display unit Download PDFInfo
- Publication number
- CN106908685B CN106908685B CN201710100551.9A CN201710100551A CN106908685B CN 106908685 B CN106908685 B CN 106908685B CN 201710100551 A CN201710100551 A CN 201710100551A CN 106908685 B CN106908685 B CN 106908685B
- Authority
- CN
- China
- Prior art keywords
- test
- display unit
- touch
- electrode
- solder joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The embodiment of the invention discloses a kind of test macros of mutual capacitance type touch display unit, comprising: test power supply；Test point disk, including most the first test solder joints, most the second test solder joints, thirds test solder joint；Touch unit comprising most items touch driving electrodes and most touch-sensing electrodes；Test display apparatus, it includes most the first display units and most the second display units, each display unit includes first electrode and second electrode, the first electrode of first display unit is connect with the second end of the different touch driving electrodes respectively, and the first electrode of second display unit is electrically connected with the second end of the different touch-sensing electrode respectively；The second electrode of first display unit and second display unit is electrically connected the third and tests solder joint.The embodiment of the invention also discloses a kind of test methods.Using the present invention, it is high to have the advantages that test short circuit, testing efficiency between two electrodes.
Description
Technical field
The invention belongs to testing fields, in particular, be related to a kind of mutual capacitance type touch display unit test macro and
Its test method.
Background technique
Existing mutual capacitance touch display device, needed before being assembled into product to the touch unit of touch display unit into
Whether row detection, test touch unit work normally, such as whether test touch driving electrodes TX is short-circuit, open circuit, test touch
Whether sensing electrode RX is short-circuit, short-circuit, could be by touch display unit group after needing to repair if touch unit goes wrong
Dress up product.
The touch electrode of existing test touch unit it is whether problematic generally by open/short detection board (open circuit/
Short-circuit detecting board), open/short detects board and is equipped with two rows of terminals, wherein row's terminal, which connects most items, touches driving electrodes
One end of TX, in addition the other end of driving electrodes TX is touched in the corresponding contact of row's calibrating terminal, and then open/short detects board
Timesharing input test signal detects a pair of terminal of board to open/short, for example, first time period open/short is detected
Board input test signal touches one end of driving electrodes TX to first, and the other end is received signal by terminal, completed with this
The test of first touch driving electrodes TX open circuit, and the test with the conflict electrode TX short circuit of adjacent Article 2 first, equally,
Second time period completes the test of Article 2 touch driving electrodes TX open circuit and Article 2 touches driving electrodes and Article 3 is touched
The test of electric pole short circuit is touched, and so on, the test until completing all touch driving electrodes TX, next, open/
Short detects two rows of terminals of board and touches driving electrodes TX and disconnects, and then, open/short detects two rows of terminals of board
It is connect with touch-sensing electrode RX, equally, open/short detects board timesharing input test signal and detects to open/short
A pair of terminal of board, to complete short circuit, the out of circuit test of touch-sensing electrode RX.
It was found by the inventors of the present invention that existing pass through open/short during testing above-mentioned touch unit
Detect board test touch driving electrodes TX and touch-sensing electrode RX during, cannot test out touch driving electrodes TX with
Short circuit between touch-sensing electrode RX, namely touch the strip electrode in driving electrodes TX and one in touch-sensing electrode RX
When strip electrode is shorted, above-mentioned test method is unable to test out；Moreover, above-mentioned test method is comparatively laborious, take time and effort
More, testing efficiency is low.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that providing a kind of test of mutual capacitance type touch display unit
System and its test method.The short circuit that can be used between test touch driving electrodes and touch-sensing electrode, and testing efficiency is high.
In order to solve the above-mentioned technical problem, first aspect present invention provides a kind of survey of mutual capacitance type touch display unit
Test system, comprising:
Power supply is tested, is used to export most test voltages；
Test point disk, including most the first test solder joints, most the second test solder joints, thirds test solder joint, described
First test solder joint, the second test solder joint, third test solder joint receive the test voltage；
Touch unit comprising most items touch driving electrodes and most touch-sensing electrodes, the touch driving electricity
The first end electrical connection of pole the first test solder joint, the first end electrical connection of the touch-sensing electrode the second test weldering
Point, adjacent the first test solder joint for touching driving electrodes electrical connection is different, and the adjacent touch-sensing electrode is electrically connected
The the second test solder joint connect is different；
Test display apparatus comprising most the first display units and most the second display units, each display are single
Member includes first electrode and second electrode, and the first electrode of first display unit is driven with the different touch respectively
The second end of moving electrode connects, the first electrode of second display unit respectively with the different touch-sensing electrode
Second end electrical connection；The second electrode of first display unit and second display unit is electrically connected the third
Test solder joint.
In one embodiment of first aspect present invention, the number of the first test solder joint is two, is touched described in odd number item
The first end for touching driving electrodes shares one of them described first test solder joint, and the first end of driving electrodes is touched described in even number item
Share another described first test solder joint；Or/and the number of the second test solder joint is two, is touched described in odd number item
The first end for touching sensing electrode shares one of them described first test solder joint, the first end of touch-sensing electrode described in even number item
Share another described first test solder joint.
In one embodiment of first aspect present invention, the item number for touching driving electrodes and described first tests solder joint
Number is identical, each described touch driving electrodes individually occupies the first test solder joint；Or/and
The item number of the touch-sensing electrode is identical as the second test number of solder joint, each described touch-sensing
Electrode individually occupies the second test solder joint.
In one embodiment of first aspect present invention, the number of the third test solder joint is one, first display
The second electrode of unit and second display unit tests solder joint by the third and receives the test power supply output
The test voltage；Or
The number of third test solder joint be it is multiple, first display unit and second display unit it is described
Second electrode, which is electrically connected the third test solder joint and tests solder joint by the most thirds, receives the test electricity
The same test voltage of source output.
In one embodiment of first aspect present invention, the test display apparatus includes first area and second area, institute
First area to be stated to be provided separately with the second area, most first display units are arranged in the first area,
Most second display units are arranged in the second area.
In one embodiment of first aspect present invention, the test display apparatus is the dress other than the touch display unit
It sets.
In one embodiment of first aspect present invention, the touch display unit includes display unit, the display unit
Including the test display apparatus.
In one embodiment of first aspect present invention, the test display apparatus is OLED display, first electricity
The anode of the extremely described OLED display, the second electrode are the cathode of the OLED display；Alternatively, the test
Display device is LCD display device, and the first electrode is the pixel electrode of the LCD display device, and the second electrode is
The common electrode of the LCD display device.
In one embodiment of first aspect present invention, the touch display unit further includes display unit, and the touch is single
The top of the display unit is arranged in member or the touch unit is arranged in the display unit.
Second aspect of the embodiment of the present invention provides a kind of test macro of above-mentioned mutual capacitance type touch display unit
Test method, this method comprises:
First time period tests most test voltages of power input via the first test solder joint, touch driving electrodes supply
To the first electrode of the first display unit, wherein the received test voltage of the two neighboring touch driving electrodes is respectively height
Level and low level；
Second time period is tested most test voltages of power input and is supplied via the second test solder joint, touch-sensing electrode
To the first electrode of the second display unit, wherein the two neighboring received test voltage of touch-sensing electrode is respectively height
Level and low level；
The test same test voltage of power input is supplied to the first display unit and the second display via third test solder joint
The second electrode of unit；
First display unit is carried out according to the received test voltage of its first electrode and the received test voltage of second electrode
Brightness shows that the second display unit is carried out according to the received test voltage of its first electrode and the received test voltage of second electrode
Brightness is shown.
The implementation of the embodiments of the present invention has the following beneficial effects:
Since the test macro includes test power supply, test point disk, touch unit, test display apparatus, the test
Point disk and test power electric connection are to access test voltage, and the touch unit is electrically connected with the test point disk, the test
Display device is electrically connected with the touch unit, thus, pass through the test voltage different from test power input, test display dress
Different brightness can be shown by setting, to be shown according to the different brightness of test display apparatus, so that it may be obtained and be touched driving
Short circuit between short/open circuit of electrode, short/open circuit of touch-sensing electrode, touch driving electrodes and touch-sensing electrode, and survey
Examination is simple, high-efficient.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram of the test macro of mutual capacitance type touch display unit of first embodiment of the invention；
Fig. 2 is the test method flow chart of first embodiment of the invention test macro；
Fig. 3 is a kind of schematic diagram of the test macro of mutual capacitance type touch display unit of second embodiment of the invention；
Figure number explanation:
110- tests power supply；120,320- test point disk；121,321- first tests solder joint；122, the test of 322- second weldering
Point；123- third tests solder joint；130- touch unit；200- test display apparatus；The first display unit of 210-；220- second is aobvious
Show unit；230- first electrode；240- second electrode；The first area 250-；260- second area；TX- touches driving electrodes；
RX- touch-sensing electrode.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The term " includes " and " having " and their any changes occurred in present specification, claims and attached drawing
Shape, it is intended that cover and non-exclusive include.Such as contain the process, method of a series of steps or units, system, product or
Equipment is not limited to listed step or unit, but optionally further comprising the step of not listing or unit or optional
Ground further includes the other step or units intrinsic for these process, methods, product or equipment.In addition, term " first ", " the
Two " and " third " etc. are and to be not intended to describe specific sequence for distinguishing different objects.
First embodiment
Fig. 1 is please referred to, the embodiment of the invention provides a kind of test macros of mutual capacitance type touch display unit, including survey
Try power supply 110, test point disk 120, touch unit 130, test display apparatus 200.The touch display unit includes the touching
Unit 130 and display unit are touched, for showing, the touch unit 130 can be set in display unit the display unit
Side (on cell) on the display unit also can be set in (in cell).
In the present embodiment, the test power supply 110 is used to export multiple test voltages to be supplied to test point disk 120,
The test voltage that the test power supply 110 provides can also can be controlled, such as pass through electricity taking human as control by automation equipment
Brain is controlled.The test power supply 110 can be independent power supply, be also possible to not independent power supply.
The number of the test point disk 120 (test pad) can be one, or it is multiple, in the present embodiment for
One.The test point disk 120 includes most the first test solder joints 121, most the second test solder joints 122, third tests
Solder joint 123, wherein it is electric with test respectively that the first test solder joint 121, second tests solder joint 122, third test solder joint 123
For the electrical connection of source 110 with for receiving the test voltage, the test power supply 110 can be supplied to the first test solder joint 121, the
The different test voltage of two test solder joints 122, third test solder joint 123, and most the first test mutual tests of solder joint 121
Voltage can also be different, and most the second test mutual test voltages of solder joint 122 can also be different.
The touch unit 130 includes that the most items extended in a first direction touch driving electrodes TX and prolong in a second direction
Majority touch-sensing the electrode RX, the touch driving electrodes TX stretched and the touch-sensing electrode RX square crossing are arranged,
In the present embodiment, the touch driving electrodes TX extends along the x axis, and the touch-sensing electrode RX extends along the y axis,
Of course, it can be reversed；In the present embodiment, the touch unit 130 is mutual capacitance type touch unit.In the present embodiment,
The first end (right end in diagram) for touching driving electrodes TX is electrically connected with the first test solder joint 121, the touch sense
The first end (upper end in diagram) for surveying electrode RX is electrically connected with the second test solder joint 122, the adjacent touch driving electrodes
First test solder joint 121 of TX electrical connection is different, and in the present embodiment, the number of the first test solder joint 121 and touch are driven
The number of moving electrode TX is identical, and every driving electrodes TX that touches corresponds to the first different test solder joints 121 of electrical connection, namely
Each described touch driving electrodes TX individually occupies one first test solder joint 121, this first test solder joint 121 not with other
It touches driving electrodes TX to share, the second test solder joint 122 of the adjacent touch-sensing electrode RX electrical connection is different, in this implementation
In example, the number of the second test solder joint 122 is identical as the number of touch-sensing electrode RX, every touch-sensing electrode
RX is corresponding to be electrically connected different the second test solder joints 122 namely each described touch-sensing electrode RX and individually occupies one the
Two test solder joints 122, the second test solder joint 122 are not shared with other touch-sensing electrode RX.
In the present embodiment, the test display apparatus 200 is for when being tested, the test display apparatus 200 to be aobvious
Show different brightness, it will thus be seen that whether touch unit 130 is short-circuit/breaking.Particularly, the test display apparatus
200 include most the first display units 210 and most the second display units 220, and first display unit 210 can wrap
A pixel is included, also may include multiple pixels, equally, second display unit 220 may include a pixel, can also be with
Including multiple pixels, each display unit includes first electrode 230 and second electrode 240 namely each first display unit 210
Including first electrode 230 and second electrode 240, each second display unit 220 also includes first electrode 230 and second electrode
240, in the present embodiment, all second electrodes 240 are electrically connected, and are an entire surface metal layer.Described first is aobvious
Show that second end (in diagram left end) of the first electrode 230 of unit 210 respectively with the different touch driving electrodes TX is electrically connected
It connects namely the number of the first electrode 230 of the first display unit 210 is identical as the item number of driving electrodes TX is touched, driven when touching
When moving electrode TX is entered test voltage, the first electrode 230 of first display unit 210 will receive the test voltage.Institute
The first electrode 230 of the second display unit 220 is stated respectively from the second end of the different touch-sensing electrode RX (under in diagram
End) electrical connection namely the second display unit 220 first electrode 230 number it is identical as the item number of touch-sensing electrode RX, when
When touch driving electrodes TX is entered test voltage, the first electrode 230 of second display unit 220 will receive test electricity
Pressure.The second electrode 240 of first display unit 210 and the second display unit 220 is electrically connected the third test solder joint
123, in the present embodiment, the number of the third test solder joint 123 is one, and first display unit 210 and second is aobvious
Show that the second electrode 240 of unit 220 is electrically connected to the third test solder joint 123 namely first display unit 210 and institute
The second electrode 240 for stating the second display unit 220 tests solder joint 123 by the same third and receives test power supply
The same test voltage of 110 outputs.In addition, in other embodiments of the invention, the number of the third test solder joint can also
Think multiple, the second electrode of first display unit and second display unit is electrically connected the third and surveys
Test weld point simultaneously tests the same test voltage that solder joint receives test power supply output by most thirds.In the present embodiment, it surveys
Try display device 200 can according between the first electrode 230 and its second electrode 240 of the first display unit 210 pressure difference, second
Pressure difference between the first electrode 230 of display unit 220 and its second electrode 240 shows different brightness.
It is illustrated below to be illustrated how whether test touch unit 130 is normal, referring to Figure 1, in this example embodiment, touching
The number for touching driving electrodes TX is 3, and the number of touch-sensing electrode RX is also 3, at this point, the first test solder joint 121
Number be 3, second test solder joint 122 number be also 3, third test solder joint 123 number be 1, first display
The number of unit 210 is 3, and the number of the second display unit 220 is also 3.Power supply 110 is tested in the test of first time input
Voltage is high level, low level, high level, low level, high level, low level, low level test voltage, works as touch unit
130 it is normal when, test point disk 120, touch unit 130, test display apparatus 200 obtain test voltage and test display apparatus
The brightness of 200 displays is respectively such as table one:
Table one
When touch unit 130 is abnormal, such as when first touch driving electrodes TX open circuit, test display apparatus 200 is obtained
The brightness that the voltage signal and test display apparatus 200 obtained is shown is respectively such as table two:
Table two
Can be evident that at this time corresponding first display unit 210 of first touch driving electrodes TX be it is dark, from
And it can clearly judge the corresponding first touch driving electrodes TX open circuit of the first display unit 210.
When touch unit 130 is abnormal, such as first touch driving electrodes TX and Article 2 touch driving electrodes TX short
Lu Shi, the brightness that the voltage signal and test display apparatus 200 that test display apparatus 200 obtains are shown is respectively such as table three:
Table three
It can be evident that corresponding first display unit 210 of first touch driving electrodes TX, Article 2 at this time
Touching corresponding first display unit 210 of driving electrodes TX and be bright namely brightness in being all is the brightness between bright and dark,
Adjacent two touch driving electrodes TX short circuit is judged so as to apparent.
When touch unit 130 is abnormal, such as first touch driving electrodes TX and first touch-sensing electrode RX short
Lu Shi, the brightness that the voltage signal and test display apparatus 200 that test display apparatus 200 obtains are shown is respectively such as table four:
Table four
It can be evident that first touch driving electrodes TX is first display unit 210, first corresponding at this time
Corresponding second display unit 220 of touch-sensing electrode RX is the brightness that bright namely brightness is between bright and dark in being all；
As first touch driving electrodes TX and the RX short circuit of Article 2 touch-sensing electrode, tester can control test power supply
110 input one group of test voltage again, for example, low, high and low, low, high and low, low, can test out the short circuit of the two at this time.?
In the other embodiment of the present invention, those skilled in the art can also input other test voltages, can equally test
The short circuit between driving electrodes and touch-sensing electrode is touched out.So as to it is apparent judge to touch driving electrodes TX with
Short circuit between touch-sensing electrode RX.
Since the test macro includes test power supply 110, test point disk 120, touch unit 130, test display apparatus
200, the test point disk 120 is electrically connected to access test voltage, the touch unit 130 and the survey with test power supply 110
Pilot disk 120 is electrically connected, and the test display apparatus 200 is electrically connected with the touch unit 130, thus, by electric from test
Source 110 inputs different test voltages, test display apparatus 200 can show it is bright, in bright, dark brightness, thus according to survey
The different brightness of examination display device 200 is shown, so that it may obtain the short/open circuit, touch-sensing electrode RX for touching driving electrodes TX
Short/open circuit, touch short circuit between driving electrodes TX and touch-sensing electrode RX, and test it is simple, it is high-efficient.
In the present embodiment, the test display apparatus 200 include first area 250 and second area 260, described first
Region 250 is provided separately with second area 260, and most first display units 210 are arranged in the first area 250
Interior, most second display units 220 are arranged in the second area 260.To by the way that two regions are separately set
It sets, can be more obvious tell is to touch driving electrodes TX or touch-sensing electrode RX open/short circuit, and touch and drive
It is short-circuit between moving electrode TX and touch-sensing electrode RX.
In the present embodiment, the test display apparatus 200 is the device other than touch display unit, namely test display
Device 200 is not a part of touch display unit, at this point, test display apparatus 200, which can be used for different size, touches display
The test of device namely the test display apparatus 200 can share, easy to operate.In addition, in the other embodiment of the present invention
In, the test display apparatus can also be a part of touch display unit, particularly can be one of display unit
Divide namely the display unit includes the test display apparatus, in test, touches driving electrodes and the first display unit
First electrode electrical connection, touch-sensing electrode is electrically connected with the first electrode of the second display unit, described after being completed
Touch driving electrodes and the first display unit first electrode it is cut-off opens, the touch-sensing electrode and the second display unit
First electrode is cut off and opens in this way, can save cost.
In the present embodiment, the test display apparatus 200 be OLED (Organic Light-Emitting Diode,
Organic Light Emitting Diode) display device, the first electrode 230 is the anode of OLED display, and the second electrode 240 is
The cathode of OLED display accompanies luminescent layer between the anode and cathode.In addition, in other embodiments of the invention,
The test display apparatus 200 can also be LCD display device, and the first electrode 230 is pixel electrode, the second electrode
240 be common electrode, and liquid crystal material is equipped between the pixel electrode and the common electrode.
In addition, the present embodiment additionally provides a kind of test side of the test macro of above-mentioned mutual capacitance type touch display unit
Method includes the following steps: referring to Figure 1 and Fig. 2
S110: first time period test power supply 110 inputs most test voltages via the first test solder joint 121, touch
Driving electrodes TX is supplied to the first electrode 230 of the first display unit 210, wherein the two neighboring touch driving electrodes TX
Received test voltage is respectively high level and low level.
S120: second time period test power supply 110 inputs most test voltages via the second test solder joint 122, touch
Sensing electrode RX is supplied to the first electrode 230 of the second display unit 220, wherein the two neighboring touch-sensing electrode RX
Received test voltage is respectively high level and low level；In the present embodiment, the first time period and second time period are
The same period；Certainly, in other embodiments of the invention, the first time period and second time period can also be difference
Period, at this point, the first time period can be located at second time period before, can also be located at the second time after
Face.
S130: test power supply 110 inputs same test voltage and is supplied to the first display unit via third test solder joint 123
210 and second display unit 220 second electrode 240.
S140: the first display unit 210 is received according to its received test voltage of first electrode 230 and second electrode 240
Test voltage carry out brightness show, the second display unit 220 according to its received test voltage of first electrode 230 and second electricity
The received test voltage in pole 240 carries out brightness and shows.To be shown according to the brightness of the first display unit 210, the second display list
The brightness of member 220 show, it can be determined that touch out short/open circuit of driving electrodes TX, the short/breaking of touch-sensing electrode RX and
Touch the short circuit between driving electrodes TX and touch-sensing electrode RX.In the present embodiment, the step of S110-S140 can be carried out
Repeatedly.
Second embodiment
Fig. 3 is a kind of test macro for mutual capacitance type touch display unit that second embodiment of the invention provides, the knot of Fig. 3
Structure is similar to the structure of Fig. 1, therefore the identical element of identical numbers, the present embodiment and first embodiment it is main
Difference is test point disk.
Fig. 3 is referred to, in the present embodiment, the number of the first test solder joint 321 is two, and odd number item touches driving
The first end of electrode TX is electrically connected to one of them first test solder joint 321 namely odd number item touches the first of driving electrodes TX
End shares one of them first test solder joint 321；The first end that even number article touches driving electrodes TX be electrically connected to another the
The first end that one test solder joint 321 namely even number item touch driving electrodes TX shares another first test solder joint 321；Institute
The number for stating the second test solder joint 322 is also two, and the first end of odd number touch-sensing electrode RX is electrically connected to one of them
The first end of first test solder joint 321 namely odd number touch-sensing electrode RX share one of them first test solder joint 321；
The first end of even number touch-sensing electrode RX is electrically connected to another first test solder joint 321 namely even number item touches sense
The first end for surveying electrode RX shares another first test solder joint 321.To, in the present embodiment, the test point disk 320
Area can reduce, and also can reduce with the tie point of test power supply 110, cost and workload can be reduced, can be with
It improves efficiency.In addition, in other embodiments of the invention, the number of the first test solder joint can be two, described the
The number of two test solder joints can be identical as the item number of touch-sensing electrode, or in turn.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is all differences from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
For device embodiment, since it is basically similar to the method embodiment, so being described relatively simple, related place referring to
The part of embodiment of the method illustrates.
Description through the foregoing embodiment, the invention has the following advantages that
Since the test macro includes test power supply, test point disk, touch unit, test display apparatus, the test
Point disk and test power electric connection are to access test voltage, and the touch unit is electrically connected with the test point disk, the test
Display device is electrically connected with the touch unit, thus, pass through the test voltage different from test power input, test display dress
Different brightness can be shown by setting, to be shown according to the different brightness of test display apparatus, so that it may be obtained and be touched driving
Short circuit between short/open circuit of electrode, short/open circuit of touch-sensing electrode, touch driving electrodes and touch-sensing electrode, and survey
Examination is simple, high-efficient.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (9)
1. a kind of test macro of mutual capacitance type touch display unit characterized by comprising
Power supply is tested, is used to export most test voltages；
Test point disk, including most a first test solder joints, most the second test solder joints, third test solder joint, described first
It tests solder joint, the second test solder joint, third test solder joint and receives the test voltage；
Touch unit comprising most items touch driving electrodes and most touch-sensing electrodes, the touch driving electrodes
First end electrical connection the first test solder joint, the first end electrical connection of the touch-sensing electrode the second test solder joint,
Adjacent the first test solder joint for touching driving electrodes electrical connection is different, the adjacent touch-sensing electrode electrical connection
The second test solder joint is different；
Test display apparatus comprising most the first display units and most the second display units, each display unit packet
First electrode and second electrode are included, the first electrode of first display unit drives electricity with the different touch respectively
The second end of pole connects, the first electrode of second display unit respectively with the different touch-sensing electrode the
The electrical connection of two ends；The second electrode of first display unit and second display unit is electrically connected the third test
Solder joint；
Wherein, the test display apparatus is the device other than the touch display unit.
2. the test macro of mutual capacitance type touch display unit as described in claim 1, which is characterized in that first test
The number of solder joint is two, and the first end of touch driving electrodes described in odd number item shares one of them described first test solder joint,
The first end that driving electrodes are touched described in even number item shares another described first test solder joint；Or/and
The number of the second test solder joint is two, and the first end of touch-sensing electrode described in odd number item shares one of institute
The first test solder joint is stated, the first end of touch-sensing electrode described in even number item shares another described first test solder joint.
3. the test macro of mutual capacitance type touch display unit as described in claim 1, which is characterized in that the touch driving
The item number of electrode is identical as the first test number of solder joint, each described touch driving electrodes individually occupies described in one
First test solder joint；Or/and
The item number of the touch-sensing electrode is identical as the second test number of solder joint, each described touch-sensing electrode
Individually occupy the second test solder joint.
4. the test macro of mutual capacitance type touch display unit as described in claim 1, which is characterized in that the third test
The number of solder joint is one, and the second electrode of first display unit and second display unit passes through the third
Test solder joint receives the test voltage of the test power supply output；Or
The number of third test solder joint be it is multiple, described the second of first display unit and second display unit
Electrode is electrically connected third test solder joint and tests solder joints by the most thirds to receive the test power supplys defeated
The same test voltage out.
5. the test macro of mutual capacitance type touch display unit as described in claim 1, which is characterized in that the test display
Device includes first area and second area, and the first area is provided separately with the second area, and most described first
Display unit is arranged in the first area, and most second display units are arranged in the second area.
6. the test macro of the mutual capacitance type touch display unit as described in claim 1-5 any one, which is characterized in that institute
Stating touch display unit includes display unit, and the display unit includes the test display apparatus.
7. the test macro of the mutual capacitance type touch display unit as described in claim 1-5 any one, which is characterized in that institute
Stating test display apparatus is OLED display, and the first electrode is the anode of the OLED display, second electricity
The cathode of the extremely described OLED display；Alternatively, the test display apparatus is LCD display device, the first electrode is
The pixel electrode of the LCD display device, the second electrode are the common electrode of the LCD display device.
8. the test macro of the mutual capacitance type touch display unit as described in claim 1-5 any one, which is characterized in that institute
Stating touch display unit further includes display unit, the touch unit be arranged in the display unit top or the touch
Unit is arranged in the display unit.
9. a kind of test side of the test macro of the mutual capacitance type touch display unit as described in claim 1-8 any one
Method, which comprises the steps of:
Most test voltages of first time period test power input via the first test solder joint, touch driving electrodes and be supplied to the
The first electrode of one display unit, wherein the received test voltage of the two neighboring touch driving electrodes is respectively high level
And low level；
Most test voltages of second time period test power input are supplied to the via the second test solder joint, touch-sensing electrode
The first electrode of two display units, wherein the two neighboring received test voltage of touch-sensing electrode is respectively high level
And low level；
The test same test voltage of power input is supplied to the first display unit and the second display unit via third test solder joint
Second electrode；
First display unit carries out brightness according to the received test voltage of its first electrode and the received test voltage of second electrode
It has been shown that, the second display unit carry out brightness according to the received test voltage of its first electrode and the received test voltage of second electrode
Display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100551.9A CN106908685B (en) | 2017-02-23 | 2017-02-23 | A kind of test macro and its test method of mutual capacitance type touch display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100551.9A CN106908685B (en) | 2017-02-23 | 2017-02-23 | A kind of test macro and its test method of mutual capacitance type touch display unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106908685A CN106908685A (en) | 2017-06-30 |
| CN106908685B true CN106908685B (en) | 2019-09-27 |
Family
ID=59208692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710100551.9A Active CN106908685B (en) | 2017-02-23 | 2017-02-23 | A kind of test macro and its test method of mutual capacitance type touch display unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106908685B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210086283A (en) * | 2019-12-31 | 2021-07-08 | 엘지디스플레이 주식회사 | In-cell Touch Organic Light Emitting Diode Display Device and Testing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809707A (en) * | 2011-05-19 | 2012-12-05 | 马克西姆综合产品公司 | Touch panel testing using mutual capacitor measurements |
| CN102981059A (en) * | 2012-08-29 | 2013-03-20 | 北京集创北方科技有限公司 | Method for detecting defects of capacitive touch screen device |
| CN103970339A (en) * | 2013-01-28 | 2014-08-06 | 三星显示有限公司 | Display device integrated with touch screen panel |
| CN104461162A (en) * | 2014-12-31 | 2015-03-25 | 京东方科技集团股份有限公司 | Touch substrate, touch panel and touch display device |
| CN106291216A (en) * | 2016-08-04 | 2017-01-04 | 武汉华星光电技术有限公司 | In-cell touch panel, test circuit and method of testing |
-
2017
- 2017-02-23 CN CN201710100551.9A patent/CN106908685B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809707A (en) * | 2011-05-19 | 2012-12-05 | 马克西姆综合产品公司 | Touch panel testing using mutual capacitor measurements |
| CN102981059A (en) * | 2012-08-29 | 2013-03-20 | 北京集创北方科技有限公司 | Method for detecting defects of capacitive touch screen device |
| CN103970339A (en) * | 2013-01-28 | 2014-08-06 | 三星显示有限公司 | Display device integrated with touch screen panel |
| CN104461162A (en) * | 2014-12-31 | 2015-03-25 | 京东方科技集团股份有限公司 | Touch substrate, touch panel and touch display device |
| CN106291216A (en) * | 2016-08-04 | 2017-01-04 | 武汉华星光电技术有限公司 | In-cell touch panel, test circuit and method of testing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106908685A (en) | 2017-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102789076B (en) | The method for making of a kind of detection line and display panels | |
| CN102237027B (en) | Display panel and test method thereof | |
| KR102573208B1 (en) | Display panel | |
| KR101783953B1 (en) | Display device and method of testing the same | |
| CN103163668B (en) | The pick-up unit of liquid crystal indicator | |
| CN206039486U (en) | Touch display panel and display device | |
| CN108364598A (en) | Display base plate and its method for detecting short circuit, display device | |
| CN103345080B (en) | Rapid test switching device and corresponding TFT-LCD array substrate | |
| CN206248953U (en) | Display panel and display device | |
| CN104571758A (en) | Array base plate and display panel | |
| CN102830520B (en) | display panel and detection method thereof | |
| CN103760728B (en) | A kind of array base palte and display device thereof | |
| CN110097841A (en) | Display panel | |
| CN103149713B (en) | array panel detection circuit structure | |
| CN104793827A (en) | Array substrate and self-capacitance type touch display device | |
| CN106054474A (en) | Liquid crystal display panel and liquid crystal display panel circuit monitoring method | |
| CN106291216A (en) | In-cell touch panel, test circuit and method of testing | |
| CN105609023A (en) | Testing element group, array substrate, detection device and detection method | |
| CN106908685B (en) | A kind of test macro and its test method of mutual capacitance type touch display unit | |
| CN109841535B (en) | Array substrate, preparation method thereof, display panel and display device | |
| CN102967954A (en) | Device and method for testing liquid crystal panel | |
| US8529307B1 (en) | Detection circuit and manufacturing method for LCD panel | |
| CN107068696A (en) | A kind of preparation method of array base palte and array base palte | |
| CN105676496A (en) | Liquid crystal display panel and liquid crystal display device | |
| CN103605243B (en) | A kind of thin-film transistor array base-plate and method for repairing and mending |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |