CN203055406U - Signal line detecting device and display device for substrate - Google Patents
Signal line detecting device and display device for substrate Download PDFInfo
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- CN203055406U CN203055406U CN 201220721925 CN201220721925U CN203055406U CN 203055406 U CN203055406 U CN 203055406U CN 201220721925 CN201220721925 CN 201220721925 CN 201220721925 U CN201220721925 U CN 201220721925U CN 203055406 U CN203055406 U CN 203055406U
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Abstract
The utility model discloses a signal line detecting device and a display device for a substrate. The signal line detecting device for the substrate includes a testing signal output terminal used for outputting testing signals, a testing signal detecting terminal used for detecting the testing signals and a triode switch component set. Source electrodes of triode switch components are connected with signal lines arranged in parallel on the substrate respectively. A grid leading-out terminal of the triode switch component set is connected with the testing signal output terminal. A drain electrode leading-out terminal of the triode switch component set is connected with the testing signal detecting terminal. In another embodiment, grid electrodes of the triode switch components are connected with the signal lines arranged in a parallel on the substrate respectively. A source electrode leading-out terminal of the triode switch component set is connected with the testing signal output terminal. The drain electrode leading-out terminal of the triode switch component set is connected with the testing signal detecting terminal. A conduction structure is composed of the switch components connected with the signal lines arranged in parallel on the substrate. Therefore, open circuit detection of the signal lines on the substrate is realized, and the detection accuracy and the detection capability are improved.
Description
Technical field
The utility model relates to the display technique field, relates in particular to a kind of signal wire pick-up unit and display device of substrate.
Background technology
Array (Array) substrate deposit film transistor (TFT) pixel array circuit on glass substrate forms.Array detection equipment (Array Tester is called for short AT equipment) detects array base palte.
AT equipment is detecting array base palte, earlier the signal wire on the array base palte is carried out short circuit (Short) and detect (ESS Test), if the signal wire short circuit on the discovery array base palte can be called special signal and be proceeded to detect, with the accuracy that improves testing of equipment with detect ability.After finishing ESS Test, again the TFT pixel is detected.
But in the prior art, the not test of opening circuit at data line causes the accuracy of testing and detects ability lower.
The utility model content
The purpose of this utility model provides a kind of signal wire pick-up unit and display device of substrate, to solve the accuracy of testing and to detect the lower problem of ability.
The purpose of this utility model is achieved through the following technical solutions:
A kind of signal wire pick-up unit of substrate comprises:
The test signal output terminal that is used for the output test signal is for detection of test signal test side and the triode switch element group of test signal;
The source electrode of each triode switch element in the described triode switch element group is connected with the signal wire that be arranged in parallel on the substrate respectively; The grid exit of described triode switch element group is connected with described test signal output terminal; The drain electrode exit of described triode switch element group is connected with described test signal test side; Perhaps,
The grid of each triode switch element in the described triode switch element group is connected with the signal wire that be arranged in parallel on the substrate respectively; The source electrode exit of described triode switch element group is connected with described test signal output terminal; The drain electrode exit of described triode switch element group is connected with described test signal test side.
If the source electrode of each triode switch element in the described triode switch element group is connected with the signal wire that be arranged in parallel on the substrate respectively; The grid exit of described triode switch element group is connected with described test signal output terminal; The drain electrode exit of described triode switch element group is connected with described test signal test side; Preferable, the grid by a triode switch element is connected with the drain electrode of another adjacent triode switch element, realizes the serial connection of each triode switch element in the described triode switch element group.
For the triode switch element of serial connection, preferable, at least two described triode switch element groups are arranged, the source electrode of every group of triode switch element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively; The grid of the grid exit of each triode switch element group is connected with a test signal output terminal respectively; The drain electrode of the drain electrode exit of each triode switch element group is connected with a test signal test side respectively; Perhaps,
At least two described triode switch element groups are arranged, and the source electrode of every group of triode switch element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively; The grid exit of each triode switch element group all is connected with same test signal output terminal; The drain electrode exit of each triode switch element group all is connected with same test signal test side.
If the grid of each triode switch element in the described triode switch element group is connected with the signal wire that be arranged in parallel on the substrate respectively; The source electrode exit of described triode switch element group is connected with described test signal output terminal; The drain electrode exit of described triode switch element group is connected with described test signal test side; Preferable, the source electrode by a triode switch element is connected with the drain electrode of another adjacent triode switch element, realizes the serial connection of each triode switch element in the described triode switch element group.
For the triode switch element of serial connection, preferable, at least two triode switch element groups are arranged, the grid of every group of triode switch element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively; The source electrode exit of each triode switch element group is connected with a test signal output terminal respectively; The drain electrode exit of each triode switch element group is connected with a test signal test side respectively; Perhaps,
At least two triode switch element groups are arranged, and the grid of every group of triode switch element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively; The source electrode exit of each triode switch element group all is connected with same test signal output terminal; The drain electrode exit of each triode switch element group all is connected with same test signal test side.
If the source electrode of each triode switch element in the described triode switch element group is connected with the signal wire that be arranged in parallel on the substrate respectively; The grid exit of described triode switch element group is connected with described test signal output terminal; The drain electrode exit of described triode switch element group is connected with described test signal test side; Preferable, the grid of each triode switch element in the described triode switch element group is connected with described test signal output terminal as the grid exit of described triode switch element group; The drain electrode of each triode switch element in the described triode switch element group is connected with described test signal test side as the drain electrode exit of described triode switch element group.Be each triode switch element in the triode switch element group and connect.
For and the triode switch element that connects, preferable, at least two triode switch element groups are arranged, the source electrode of every group of triode switch element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively; The grid exit of each triode switch element group is connected with a test signal output terminal respectively; The drain electrode exit of each triode switch element group is connected with a test signal test side respectively; Perhaps,
At least two triode switch element groups are arranged, and the source electrode of every group of on-off element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively; The grid exit of each triode switch element group all is connected with same test signal output terminal; The drain electrode exit of each triode switch element group all is connected with same test signal test side.
If the grid of each triode switch element in the described triode switch element group is connected with the signal wire that be arranged in parallel on the substrate respectively; The source electrode exit of described triode switch element group is connected with described test signal output terminal; The drain electrode exit of described triode switch element group is connected with described test signal test side; Preferable, the source electrode of each triode switch element in the described triode switch element group is connected with described test signal output terminal as the source electrode exit of described triode switch element group; The drain electrode of each triode switch element in the described triode switch element group is connected with described test signal test side as the drain electrode exit of described triode switch element group.Be each triode switch element in the triode switch element group and connect.
For and the triode switch element that connects, preferable, at least two triode switch element groups are arranged, the grid of every group of triode switch element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively; The source electrode exit of each triode switch element group is connected with a test signal output terminal respectively; The drain electrode exit of each triode switch element group is connected with a test signal test side respectively; Perhaps,
At least two triode switch element groups are arranged, and the grid of every group of on-off element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively; The source electrode exit of each triode switch element group all is connected with same test signal output terminal; The drain electrode exit of each triode switch element group all is connected with same test signal test side.
Among above-mentioned arbitrary embodiment, preferable, described signal wire is: data line, perhaps, sweep trace, perhaps, public electrode wire.
The utility model embodiment also provides a kind of display device, comprises the signal wire pick-up unit of the described substrate of above-mentioned arbitrary embodiment.
The technical scheme that the utility model provides constitutes conducting structure by the on-off element that is connected with the signal wire that be arranged in parallel on the substrate.Based on this structure, can be from an end input test signal of this conducting structure, at the level value of other end detection test signal, if detected level value, can judge then that opening circuit appears in the signal wire of substrate less than pre-set threshold.Thereby realize detections of opening circuit of signal wire to substrate, improved the accuracy of testing and detected ability.
Description of drawings
First kind of apparatus structure synoptic diagram that Fig. 1 provides for the utility model embodiment;
Second kind of apparatus structure synoptic diagram that Fig. 2 provides for the utility model embodiment;
The third apparatus structure synoptic diagram that Fig. 3 provides for the utility model embodiment;
The 4th kind of apparatus structure synoptic diagram that Fig. 4 provides for the utility model embodiment.
Embodiment
In order to realize that the substrate signal line is carried out out of circuit test, to improve the accuracy of testing and to detect ability, the utility model provides a kind of signal wire pick-up unit and display device of substrate, constitutes conducting structure by the on-off element that is connected with the signal wire that be arranged in parallel on the substrate.Based on this structure, can be from an end input test signal of this conducting structure, at the level value of other end detection test signal, if detected level value, can judge then that opening circuit appears in the signal wire of substrate less than pre-set threshold.Thereby realize detections of opening circuit of signal wire to substrate, improved the accuracy of testing and detected ability.
Below in conjunction with accompanying drawing, the signal wire pick-up unit that the utility model is provided is elaborated.
As shown in Figure 1, the signal wire proving installation of a kind of substrate of providing of the utility model comprises:
The test signal output terminal 1 that is used for the output test signal is for detection of test signal test side 2 and the triode switch element group 101 of test signal.
The source S of each triode switch element 3 in the triode switch element group 101 is connected with the data line 100 that be arranged in parallel on the substrate respectively.
Each triode switch element 3 in the triode switch element group 101 is by grid G and drain D serial connection.That is, the grid of a triode switch element 3 is connected with the drain electrode of another triode switch element 3 in this group.
Play the initial end of this triode switch element group 101 of triode switch element 3(that article one data line 100 is connected with a left side), its grid G is connected with test signal output terminal 1 as the grid exit of triode switch element group.Among Fig. 1, the grid G of this triode switch element 3 is connected with test signal output terminal 1 by signal wire, should be pointed out that in the application, can also make the grid G of triode switch element 3 directly be electrically connected with test signal output terminal 1.
Play the end of this triode switch element group 101 of triode switch element 3(that the last item data line 100 is connected with a left side), its drain D is connected with test signal test side 2 as the drain electrode exit of triode switch element group.Among Fig. 1, the drain D of this triode switch element 3 is connected with test signal test side 2 by signal wire, should be pointed out that in the application, can also make the drain D of triode switch element 3 directly be electrically connected with test signal test side 2.
Using device shown in Figure 1 opens circuit when detecting to data line, pixel switch on the substrate is all opened, the data line drive end is all exported the data-signal of high level to each bar data line, by test signal output terminal 1 output one high level signal (being the Switch signal), 2 detect level value in the test signal test side, existence is opened circuit if this level value, is then thought data line less than preset threshold.
In the signal wire proving installation shown in Figure 1, the source S of triode switch element 3 is connected with data line 100.As a kind of interchangeable enforcement structure, can also be:
The grid of each triode switch element in the triode switch element group is connected with the data line that be arranged in parallel on the substrate respectively.Each triode switch element is by source electrode and drain electrode serial connection, and namely the grid of a triode switch element is connected with the drain electrode of another triode switch element in this group.The source electrode of the triode switch element of the initial end in the triode switch element group is connected with the test signal output terminal as the source electrode exit of triode switch element group.The drain electrode of the triode switch element of the end in the triode switch element group is connected with the test signal test side as the drain electrode exit of triode switch element group.
Above-mentioned two devices that embodiment provides can be realized the out of circuit test to data line.Should be pointed out that the pick-up unit that adopts said structure, can also realize sweep trace, perhaps the test of public electrode wire.Its device implementation structure is identical with above-mentioned two embodiment, and difference is, the source electrode of each triode switch element (or grid) is connected with the sweep trace (perhaps public electrode wire) that be arranged in parallel on the substrate respectively.If to the out of circuit test of public electrode wire, not only can be used for the out of circuit test to the array base palte public electrode wire, can also be used for the out of circuit test to the color membrane substrates public electrode wire.
As shown in Figure 2, the signal wire proving installation of the another kind of substrate that provides of the utility model comprises:
The test signal output terminal 1 that is used for the output test signal is for detection of test signal test side 2 and three triode switch element groups 102 ~ 104 of test signal.
The source S of every group of triode switch element 3 is connected with one group of data line that be arranged in parallel 100 on the substrate respectively.Wherein, data line 100 on the substrate, data-signal type according to input is divided into three groups, first group of data line 100 comprises a left side the 1st, 4,7 data line, transmission R(redness) signal, second group of data line 100 comprises a left side the 2nd, 5,8 data line, transmission G(green) signal, the 3rd group of data line 100 comprises a left side the 3rd, 6,9 data line, transmission B(blueness) signal.Accordingly, first group of triode switch element 3 is connected with first group of data line 100 respectively, and second group of triode switch element 3 is connected with second group of data line 100 respectively, and the 3rd group of triode switch element 3 is connected with the 3rd group of data line 100 respectively.
Each triode switch element 3 in each triode switch element group is by grid G and drain D serial connection.That is, the grid of a triode switch element 3 is connected with the drain electrode of another triode switch element 3 in this group.As shown in Figure 2, suppose that it is same group of data line 100 that the 1st, 4,7 data line 100 played on a left side, transmission R signal, so, a left side is played triode switch element 3, a left side that the 1st data line 100 connect and is played triode switch element 3 that the 4th data line 100 connect and a left side to play the 7th on-off element that data line 100 is connected 3 be triode switch element on the same group.
In first group of triode switch element, play the initiating terminal of first triode switch element group 102 of triode switch element 3(that the 1st data line 100 be connected with a left side), its grid G is connected with a test signal output terminal 1 as the grid exit of first triode switch element group 102; In second group of on-off element, play the initiating terminal of second triode switch element of on-off element 3(group 103 that the 4th data line 100 be connected with a left side), its grid G is connected with a test signal output terminal 1 as the grid exit of second triode switch element group 103; In the 3rd group of on-off element, play the initiating terminal of the 3rd the triode switch element group 104 of on-off element 3(that the 7th data line 100 be connected with a left side), its grid G is connected with a test signal output terminal 1 as the grid exit of the 3rd triode switch element group 104.Among Fig. 2, the grid G of triode switch element 3 is connected with test signal output terminal 1 by signal wire, should be pointed out that in the application, can also make the grid G of triode switch element 3 directly be electrically connected with test signal output terminal 1.
In first group of triode switch element, play the end of first triode switch element group 102 of triode switch element 3(that the 3rd data line 100 be connected with a left side), its drain D is connected with a test signal test side 2 as the drain electrode exit of first triode switch element group 102; In second group of triode switch element, play the end of second triode switch element of triode switch element 3(group 103 that the 6th data line 100 be connected with a left side), its drain D is connected with a test signal test side 2 as the drain electrode exit of second triode switch element group 103; In the 3rd group of triode switch element, play the end of the 3rd the triode switch element group 104 of triode switch element 3(that the 9th data line 100 be connected with a left side), its drain D is connected with a test signal test side 2 as the drain electrode exit of the 3rd triode switch element group 104.Among Fig. 2, the drain D of triode switch element 3 is connected with test signal test side 2 by signal wire, should be pointed out that in the application, can also make the drain D of triode switch element 3 directly be electrically connected with test signal test side 2.
The principle of work of each group data line being carried out out of circuit test can repeat no more here with reference to foregoing description.
In the signal wire proving installation shown in Figure 2, the source S of triode switch element 3 is connected with data line 100.As a kind of interchangeable implementation structure, can also be:
The grid of every group of triode switch element is connected with one group of data line that be arranged in parallel on the substrate respectively.Wherein, the data line on the substrate is divided into three groups according to the data-signal type of importing, first group of data line transmission R signal, second group of data line transmission G signal, the 3rd group of data line transmission B signal.Accordingly, first group of triode switch element is connected with first group of data line respectively, and second group of triode switch element is connected with second group of data line respectively, and the 3rd group of triode switch element is connected with the 3rd group of data line respectively.
Each triode switch element in each triode switch element group is by source electrode and drain electrode serial connection.That is, the source electrode of a triode switch element is connected with the drain electrode of another triode switch element in this group.
The source electrode exit of each triode switch element group is connected with a test signal output terminal respectively.
The drain electrode exit of each triode switch element group is connected with a test signal test side respectively.
Among above-mentioned two embodiment, use three test signal output terminals and test signal test side respectively three groups of data lines to be carried out out of circuit test.Should be pointed out that can also share a test signal output terminal and test signal test side carries out out of circuit test to each group data line respectively.Source electrode and data line with the triode switch element are connected to example, and apparatus structure is as follows:
At least two triode switch element groups are arranged, and the source electrode of every group of triode switch element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively.In each triode switch element group, the grid by a triode switch element is connected with the drain electrode of another triode switch element, realizes the serial connection of each triode switch element of triode switch element group.The grid exit of each triode switch element group all is connected with same test signal output terminal.The drain electrode exit of each triode switch element group all is connected with same test signal test side.
Grid and data line with the triode switch element are connected to example, and apparatus structure is as follows:
At least two triode switch element groups are arranged, and the grid of every group of triode switch element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively.In each triode switch element group, the source electrode by a triode switch element is connected with the drain electrode of another triode switch element, realizes the serial connection of each triode switch element in the triode switch element group.The source electrode exit of each triode switch element group all is connected with same test signal output terminal; The drain electrode exit of each triode switch element group all is connected with same test signal test side.
Among the embodiment of above-mentioned each many group triode switch elements, data line can be divided into three groups according to rgb signal, corresponding triode switch element also is three groups.Should be pointed out that in the application, can also be as required to data line grouping test.According to the grouping of data line, the triode switch element can be divided at least two groups accordingly.
Among each embodiment of above-mentioned many group triode switch elements, can realize the out of circuit test to data line.Should be pointed out that the pick-up unit that adopts said structure, can also realize sweep trace, perhaps the test of public electrode wire.Its device implementation structure is same as the previously described embodiments, and difference is, the source electrode of each triode switch element (or grid) is connected with the sweep trace (perhaps public electrode wire) that be arranged in parallel on the substrate respectively.If to the out of circuit test of public electrode wire, not only can be used for the out of circuit test to the array base palte public electrode wire, can also be used for the out of circuit test to the color membrane substrates public electrode wire.
As shown in Figure 3, the signal wire pick-up unit of the another kind of substrate that provides of the utility model comprises:
The test signal output terminal 1 that is used for the output test signal is for detection of test signal test side 2 and the triode switch element group 101 of test signal.
The source S of each triode switch element 3 in the triode switch element group 101 is connected with the data line 100 that be arranged in parallel on the substrate respectively.
The grid G of each triode switch element 3 in the triode switch element group 101 is connected with test signal output terminal 1 as the grid exit of triode switch element group 101.
The drain D of each triode switch element 3 in the triode switch element group 101 is connected with test signal test side 2 as the drain electrode exit of triode switch element group 101.
Using device shown in Figure 3 opens circuit when detecting to data line, pixel switch on the substrate is all opened, the data line drive end is all exported the data-signal of high level to each bar data line, by test signal output terminal 1 output one high level signal, 2 detect level value in the test signal test side, existence is opened circuit if this level value, is then thought data line less than preset threshold.Because the grid of each triode switch element 3 all is connected with test signal output terminal 1, drain electrode all is connected with test signal test side 2, and each triode switch element is equivalent to and connects, then than structure shown in Figure 1, preset threshold is bigger in the present embodiment, and measuring accuracy is had relatively high expectations.
In the signal wire proving installation shown in Figure 3, the source S of triode switch element 3 is connected with data line 100.As a kind of interchangeable enforcement structure, can also be:
The grid of each triode switch element in the triode switch element group is connected with the data line that be arranged in parallel on the substrate respectively.The source electrode of each on-off element in the triode switch element group is connected with the test signal output terminal as the source electrode exit of triode switch element group.The drain electrode of each on-off element in the triode switch element group is connected with the test signal test side as the drain electrode exit of triode switch element group.
Above-mentioned two devices that embodiment provides can be realized the out of circuit test to data line.Should be pointed out that the pick-up unit that adopts said structure, can also realize sweep trace, perhaps the test of public electrode wire.Its device implementation structure is identical with above-mentioned two embodiment, and difference is, the source electrode of each triode switch element (or grid) is connected with the sweep trace (perhaps public electrode wire) that be arranged in parallel on the substrate respectively.If to the out of circuit test of public electrode wire, not only can be used for the out of circuit test to the array base palte public electrode wire, can also be used for the out of circuit test to the color membrane substrates public electrode wire.
As shown in Figure 4, the signal wire proving installation of the another kind of substrate that provides of the utility model comprises:
The test signal output terminal 1 that is used for the output test signal is for detection of test signal test side 2 and three triode switch element groups 102～103 of test signal.
The source S of every group of triode switch element 3 is connected with one group of data line that be arranged in parallel 100 on the substrate respectively.Wherein, data line 100 on the substrate, data-signal type according to input is divided into three groups, first group of data line 100 comprises a left side the 1st, 4,7 data line, transmission R signal, second group of data line 100 comprises a left side the 2nd, 5,8 data line, transmission G signal, the 3rd group of data line 100 comprises a left side the 3rd, 6,9 data line, transmission B signal.Accordingly, the source electrode of first group of triode switch element 3 is connected with first group of data line 100 respectively, the source electrode of second group of triode switch element 3 is connected with second group of data line 100 respectively, and the source electrode of the 3rd group of triode switch element 3 is connected with the 3rd group of data line 100 respectively.
The grid exit of each triode switch element group is connected with a test signal output terminal 1 respectively.
The drain electrode exit of each triode switch element group is connected with a test signal test side 2 respectively.
The principle of work of each group data line being carried out out of circuit test can repeat no more here with reference to foregoing description.
In the signal wire proving installation shown in Figure 4, the source S of triode switch element 3 is connected with data line 100.As a kind of interchangeable implementation structure, can also be:
The grid of every group of triode switch element is connected with one group of data line that be arranged in parallel on the substrate respectively.Wherein, the data line on the substrate is divided into 3 groups according to the data-signal type of importing, first group of data line transmission R signal, second group of data line transmission G signal, the 3rd group of data line transmission B signal.Accordingly, the grid of first group of triode switch element is connected with first group of data line respectively, and the grid of second group of triode switch element is connected with second group of data line respectively, and the grid of the 3rd group of triode switch element is connected with the 3rd group of data line respectively.
The source electrode exit of each triode switch element group is connected with a test signal output terminal respectively.
The drain electrode exit of each triode switch element group is connected with a test signal test side respectively.
Among above-mentioned two embodiment, use three test signal output terminals and test signal test side respectively three groups of data lines to be carried out out of circuit test.Should be pointed out that can also share a test signal output terminal and test signal test side carries out out of circuit test to each group data line respectively.Source electrode and data line with the triode switch element are connected to example, and apparatus structure is as follows:
At least two triode switch element groups are arranged, and the source electrode of every group of triode switch element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively.The grid exit of each triode switch element group all is connected with same test signal output terminal.The drain electrode exit of each triode switch element group all is connected with same test signal test side.
Grid and data line with the triode switch element are connected to example, and apparatus structure is as follows:
At least two triode switch element groups are arranged, and the grid of every group of triode switch element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively.The source electrode exit of each triode switch element group all is connected with same test signal output terminal.The drain electrode of each triode switch element group all is connected with same test signal test side.
The described triode switch element of above-mentioned each embodiment of the utility model can be TFT, also can be other triode switches.
The described test signal output terminal of above-mentioned each embodiment of the utility model, can but be not limited only to realize by liner (PAD).
The described test signal of above-mentioned each embodiment of the utility model test side, can but be not limited only to realize by PAD.
The described on-off element of above-mentioned each embodiment of the utility model preferably is arranged on the end of signal wire, can certainly be arranged on each position of signal wire, as long as guarantee to make that each signal wire forms the conducting structure of series connection.Wherein, be example with the data line, its end refers to the end away from data signal source.
Among the utility model embodiment, the test event signal output terminal is connected with the grid of triode switch element, and then the grid of this test signal output terminal and triode switch element is positioned at same one deck, namely makes forming in a composition technology.The test event signal output terminal is connected with the source electrode of triode switch element, and then the source electrode of this test signal output terminal and triode switch element is positioned at same layer, namely makes forming in a composition technology.The test signal test side is connected with the drain electrode of triode switch element, and the drain electrode of this test signal test side and triode switch element is positioned at same layer, namely makes forming in a composition technology.As seen, the implementation structure that provides of the utility model can't additionally increase cost of manufacture.
The utility model embodiment also provides a kind of display device, comprises the signal wire pick-up unit of the substrate described in above-mentioned arbitrary embodiment.
Described display device can be any product or parts with Presentation Function such as liquid crystal panel, Electronic Paper, oled panel, mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (11)
1. the signal wire pick-up unit of a substrate is characterized in that, comprising:
The test signal output terminal that is used for the output test signal is for detection of test signal test side and the triode switch element group of test signal;
The source electrode of each triode switch element in the described triode switch element group is connected with the signal wire that be arranged in parallel on the substrate respectively; The grid exit of described triode switch element group is connected with described test signal output terminal; The drain electrode exit of described triode switch element group is connected with described test signal test side; Perhaps,
The grid of each triode switch element in the described triode switch element group is connected with the signal wire that be arranged in parallel on the substrate respectively; The source electrode exit of described triode switch element group is connected with described test signal output terminal; The drain electrode exit of described triode switch element group is connected with described test signal test side.
2. device according to claim 1 is characterized in that, if the source electrode of each triode switch element in the described triode switch element group is connected with the signal wire that be arranged in parallel on the substrate respectively; The grid exit of described triode switch element group is connected with described test signal output terminal; The drain electrode exit of described triode switch element group is connected with described test signal test side; Then:
Grid by a triode switch element is connected with the drain electrode of another triode switch element, realizes the serial connection of each triode switch element in the described triode switch element group.
3. device according to claim 2 is characterized in that, at least two described triode switch element groups are arranged, and the source electrode of every group of triode switch element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively; The grid exit of each triode switch element group is connected with a test signal output terminal respectively; The drain electrode exit of each triode switch element group is connected with a test signal test side respectively; Perhaps,
At least two described triode switch element groups are arranged, and the source electrode of every group of triode switch element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively; The grid exit of each triode switch element group all is connected with same test signal output terminal; The drain electrode exit of each triode switch element group all is connected with same test signal test side.
4. device according to claim 1 is characterized in that, if the grid of each triode switch element in the described triode switch element group is connected with the signal wire that be arranged in parallel on the substrate respectively; The source electrode exit of described triode switch element group is connected with described test signal output terminal; The drain electrode exit of described triode switch element group is connected with described test signal test side; Then:
Source electrode by a triode switch element is connected with the drain electrode of another adjacent triode switch element, realizes the serial connection of each triode switch element in the described triode switch element group.
5. device according to claim 4 is characterized in that, at least two triode switch element groups are arranged, and the grid of every group of triode switch element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively; The source electrode exit of each triode switch element group is connected with a test signal output terminal respectively; The drain electrode exit of each triode switch element group is connected with a test signal test side respectively; Perhaps,
At least two triode switch element groups are arranged, and the grid of every group of triode switch element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively; The source electrode exit of each triode switch element group all is connected with same test signal output terminal; The drain electrode exit of each triode switch element group all is connected with same test signal test side.
6. device according to claim 1 is characterized in that, if the source electrode of each triode switch element in the described triode switch element group is connected with the signal wire that be arranged in parallel on the substrate respectively; The grid exit of described triode switch element group is connected with described test signal output terminal; The drain electrode exit of described triode switch element group is connected with described test signal test side; Then:
The grid of each triode switch element in the described triode switch element group is connected with described test signal output terminal as the grid exit of described triode switch element group; The drain electrode of each triode switch element in the described triode switch element group is connected with described test signal test side as the drain electrode exit of described triode switch element group.
7. device according to claim 6 is characterized in that, at least two triode switch element groups are arranged, and the source electrode of every group of triode switch element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively; The grid exit of each triode switch element group is connected with a test signal output terminal respectively; The drain electrode exit of each triode switch element group is connected with a test signal test side respectively; Perhaps,
At least two triode switch element groups are arranged, and the source electrode of every group of on-off element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively; The grid exit of each triode switch element group all is connected with same test signal output terminal; The drain electrode exit of each triode switch element group all is connected with same test signal test side.
8. device according to claim 1 is characterized in that, if the grid of each triode switch element in the described triode switch element group is connected with the signal wire that be arranged in parallel on the substrate respectively; The source electrode exit of described triode switch element group is connected with described test signal output terminal; The drain electrode exit of described triode switch element group is connected with described test signal test side; Then:
The source electrode of each triode switch element in the described triode switch element group is connected with described test signal output terminal as the source electrode exit of described triode switch element group; The drain electrode of each triode switch element in the described triode switch element group is connected with described test signal test side as the drain electrode exit of described triode switch element group.
9. device according to claim 8 is characterized in that, at least two triode switch element groups are arranged, and the grid of every group of triode switch element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively; The source electrode exit of each triode switch element group is connected with a test signal output terminal respectively; The drain electrode exit of each triode switch element group is connected with a test signal test side respectively; Perhaps,
At least two triode switch element groups are arranged, and the grid of every group of on-off element is connected with one group of signal wire that be arranged in parallel on the described substrate respectively; The source electrode exit of each triode switch element group all is connected with same test signal output terminal; The drain electrode exit of each triode switch element group all is connected with same test signal test side.
10. according to each described device of claim 1～9, it is characterized in that described signal wire is: data line, sweep trace or public electrode wire.
11. a display device is characterized in that, comprises the signal wire pick-up unit of each described substrate of claim 1～10.
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| CN 201220721925 CN203055406U (en) | 2012-12-24 | 2012-12-24 | Signal line detecting device and display device for substrate |
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