CN202533678U - Liquid crystal display panel and liquid crystal display - Google Patents
Liquid crystal display panel and liquid crystal display Download PDFInfo
- Publication number
- CN202533678U CN202533678U CN 201220193178 CN201220193178U CN202533678U CN 202533678 U CN202533678 U CN 202533678U CN 201220193178 CN201220193178 CN 201220193178 CN 201220193178 U CN201220193178 U CN 201220193178U CN 202533678 U CN202533678 U CN 202533678U
- Authority
- CN
- China
- Prior art keywords
- switch
- signal transmission
- contact
- display panels
- test
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The utility model discloses a liquid crystal display panel and a liquid crystal display and aims at enriching pixel point testing of the liquid crystal display panel. The liquid crystal display panel comprises first contact points, at least two switches, second contact points and third contact points, wherein the first contact points are used for receiving test signals which are used for testing pixels and the detection signals are received from the outside, the two switches are respectively connected with part of signal transmission lines, switch control signals used for controlling the switches are received from the outside by the second contact points, and the third contact points are used for receiving public electrode test signals from the outside and are in electric connection with public electrodes. The signal transmission liners are connected with the first contact points through the corresponding switches, the two switches are divided into at least two groups, the control ends of the switches belonging to the different groups are connected with the different second contact points. Testing of the liquid crystal display panel is enriched.
Description
Technical field
The utility model relates to technical field of liquid crystal display, particularly a kind of display panels and LCD.
Background technology
Along with the development of display device, LCD has been widely used in the daily life, like mobile phone screen, laptop computer display screen, desktop computer display screen and flat panel TV etc.
Liquid crystal panel is the important component part of LCD, and liquid crystal panel mainly comprises backlight, polaroid, circuit board and the display panel of box being made up of color membrane substrates and array base palte.
In the manufacture process of array base palte; The shakiness of technologic deviation and equipment is established a capital and might be caused defective to display panel, therefore, and before liquid crystal panel is assembled to electronic equipment; Need carry out each item test to liquid crystal panel; Comprising pixel is tested, whether normally display frame of differentiation exists the defects of vision.
In the method for testing that existing pixel shows, all be through the pixel in the viewing area of display panels being carried out integrated testability, having the single defective of test mode.
The utility model content
The purpose of the utility model is to provide display panels and LCD, enriches the test event of display panels with simple structure.
For realizing above-mentioned purpose, the utility model embodiment discloses a kind of display panels, comprises many barss transmission line, and said display panels also comprises:
Be used for receiving first contact of the test signal that is used for test pixel from the outside;
At least two switches that are connected with the said signal transmssion line of part respectively;
Be used for receiving second contact of the switch controlling signal be used to control said switch from the outside;
Be used for receiving the 3rd contact of public electrode test signal, be electrically connected with public electrode from the outside;
Said signal transmssion line is connected to said first contact through corresponding switch;
Said at least two switches are divided at least two groups, and the control end that belongs to the switch of different grouping is connected to the second different contacts.
Above-mentioned display panels, wherein:
Said signal transmssion line comprises data signal transmission wire and sweep signal transmission line;
Said first contact comprises the first kind contact and second types of contacts that is used for receiving from the outside scan test signal that is used for receiving from the outside data test signal;
Said data signal transmission wire is connected to said first kind contact through corresponding first switch;
Said sweep signal transmission line is connected to said second types of contacts through corresponding second switch;
Said first switch is divided at least two groups, and the control end that belongs to first switch of different grouping is connected to the second different contacts, controls separate;
Said second switch is divided at least two groups, and the control end that belongs to the second switch of different grouping is connected to the second different contacts, controls separate.
Above-mentioned display panels, wherein:
Said first switch is divided into two groups, and wherein one group is that the data signal transmission wire of odd number is connected with many group #, and another group and many group # are that the data signal transmission wire of even number is connected;
Said second switch is divided into two groups, and wherein one group is connected with many sweep signal transmission lines that are numbered odd number, and another group is connected with many sweep signal transmission lines that are numbered even number.
Above-mentioned display panels, wherein, the said corresponding row pixel of data signal transmission wire that is numbered odd number or even number of each group, every row pixel comprises a row red sub-pixel, a green sub-pix of row and the blue sub-pix of row.
Above-mentioned display panels wherein, needs the pairing data signal transmission wire of pixel or the sweep signal transmission line of test simultaneously to be connected to first contact through same switch.
Above-mentioned display panels, wherein, said first contact, second contact and switch all are arranged at outside the viewing area of said display panels.
Above-mentioned display panels, wherein, an end of every bars transmission line is connected to a data-driven unit or a scan drive cell, and all switches all are connected in the end of said signal transmssion line away from said driver element.
Above-mentioned display panels, wherein, said switch is a thin film transistor (TFT).
Above-mentioned display panels, wherein, said signal transmssion line is data signal transmission wire or sweep signal transmission line.
For realizing above-mentioned purpose better, the utility model embodiment also discloses a kind of LCD that comprises above-mentioned display panels.
The utility model embodiment has following beneficial effect at least:
In the display panels and LCD of the utility model embodiment; Signal transmssion line is connected to after the test signal supply contact through corresponding switch; Through switch is divided into groups; Utilize the Different control signal that different switches is divided into groups to control, make and according to testing requirement test signal to be delivered to pixels with different/sub-pix, enriched the test event of display panels with simple structure.
In the embodiment of the utility model, the first above-mentioned contact, second contact and switch all are arranged at outside the viewing area of said display panels, have reduced the interference to normal demonstration.
Simultaneously, in the embodiment of the utility model, an end of every bars transmission line is connected to a driver element, and all switches all are connected in the end of said signal transmssion line away from said driver element, has effectively lowered the pixel of viewing area is brought influence.
Description of drawings
Fig. 1 is the structural representation of the display panels of the utility model embodiment after data signal transmission wire application testing structure;
Fig. 2 is the structural representation of the display panels of the utility model embodiment after data signal transmission wire and sweep signal transmission line while application testing structure.
Embodiment
In the display panels and LCD of the utility model embodiment; Signal transmssion line is connected to after the test signal supply contact through corresponding switch; Through switch is divided into groups; Utilize the Different control signal that different switches is divided into groups to control, make and according to testing requirement test signal to be delivered to pixels with different/sub-pix, enriched the test event of display panels with simple structure.
The display panels of the utility model embodiment comprises many barss transmission line, and wherein, said display panels also comprises:
Be used for receiving first contact of the test signal that is used for test pixel from the outside;
At least two switches that are connected with the said signal transmssion line of part respectively;
Be used for receiving second contact of the switch controlling signal be used to control said switch from the outside;
Said signal transmssion line is connected to said first contact through corresponding switch;
Public electrode;
Be used for receiving the 3rd contact of public electrode test signal, be electrically connected with public electrode from the outside;
Said at least two switches are divided at least two groups, and the control end that belongs to the switch of different grouping is connected to the second different contacts.
Because these switches are divided into many groups, and the control end of the switch of different grouping is connected to the second different contact (contact of switch controlling signal is provided).Therefore, can control the switch of different grouping, like the while conducting, close or the part conducting simultaneously, therefore can control the distribution of the sub-pix that can receive test signal at one time through various signals.With respect to the mode to all pixel integrated testabilities, the utility model embodiment has enriched the test event of display panels with simple structure.
Above-mentioned advantage will be elaborated in follow-up various implementations, not do further to launch to describe at this.
In the specific embodiment of the utility model; This signal transmssion line can only be a data signal transmission wire; Can only be the sweep signal transmission line also, can also be to comprise data signal transmission wire and sweep signal transmission line simultaneously, is elaborated respectively in the face of variety of way down.
Among follow-up all embodiment of the utility model, in test process, all need the public electrode test signal be loaded into public electrode,, no longer public electrode and the 3rd contact be described in the subsequent implementation example so explain in the lump at this through the 3rd contact.
< signal transmssion line is a data signal transmission wire >
As shown in Figure 1; Comprise many data signal transmission wire 101 that are connected with the data-driven unit and many sweep signal transmission lines 107 that are connected with scan drive cell in the display panels; In display panels, have a viewing area 111, be provided with a plurality of TFT 112 in the viewing area.
Each bar data signal transmission wire 101 all is connected to first contact 102 through a switch, and this first contact 102 is used for receiving from the outside test signal be used for test pixel.
Simultaneously, these switches are divided into many groups, and are as shown in Figure 1, and wherein a part of switch belongs to switch and divides into groups 104, and another part switch belongs to switch grouping 105.
With situation shown in Figure 1 is example, after the external world receives scan test signal, is transferred to sweep signal transmission line 107 through scan test signal contact 106.
Simultaneously; Divide into groups switch in 104 of switch receives the switch controlling signal x1 control that the contact through top in second contact 103 receives, and divide into groups switch in 105 of switch receives the switch controlling signal x2 control that the contact through below in second contact 103 receives.
Therefore, can produce following combination through switch controlling signal x1 and x2:
1, the switch conduction in the switch grouping 104, and the switch in the switch grouping 105 breaks off; Or
2, the switch conduction in the switch grouping 105, and the switch in the switch grouping 104 breaks off; Or
3, the switch conduction in the switch grouping 104, and the switch conduction in the switch grouping 105.
In this case, just can test following situation respectively:
1, have only the switch corresponding data signal transmission wire of 104 included switches of dividing into groups to receive the data test signal, to test corresponding pixel;
2, have only the switch corresponding data signal transmission wire of 105 included switches of dividing into groups to receive the data test signal, to test corresponding pixel;
3, all data signal transmission wire data can both receive the data test signal, to test all pixels.
Can find according to above description; Pass through among the utility model embodiment switch is divided into groups; And utilize different switch controlling signals to control respectively, and realized the separately test of the pixel/sub-pix of the different lines in the liquid crystal panel, enriched the test event of display panels.
In the specific embodiment of the utility model, specifically how to split and close that divide into groups can be varied, as:
To be that the switch that the data signal transmission wire of odd number is connected is divided into one group with many group #, the switch that is connected with the data signal transmission wire that is numbered even number be divided into one group, realizes the separately test of the pixel of strange, idol row; Or
Data signal transmission wire is divided into left and right sides two parts; To be divided into one group with the switch that the data signal transmission wire that is positioned at left-hand component is connected; The switch that is connected with the data signal transmission wire that is positioned at right-hand component is divided into one group, realizes testing the separating of pixel that is distributed in viewing area the right and left.
Wherein, in the specific embodiment of the utility model, the said corresponding row pixel of data signal transmission wire that is numbered odd number or even number of each group, every row pixel comprises a row red sub-pixel, a green sub-pix of row and the blue sub-pix of row.
Certainly, should be understood that, among above-mentioned Fig. 1, only be with the switch branch for 2 groups, can certainly divide more group with switch, realize more eurypalynous test pixel.Because the combination of switch conduction/closure is more, therefore, can realize more combined tests that are distributed in the pixel of different lines more, enriched the test event of display panels.
< signal transmssion line is the sweep signal transmission line >
In above-mentioned Fig. 1, signal transmssion line is a data signal transmission wire, therefore can realize the separately test to the pixel of different lines.
, then can realize signal transmssion line separately test when being the sweep signal transmission line to the pixel of different rows.
In this case, guarantee that data line can normally receive the data test signal.
And each bar sweep signal transmission line all is connected to first contact through a switch, and this first contact is used for receiving from the outside scan test signal be used for test pixel.
Simultaneously, these switches are divided into 2 groups, and wherein a part of switch belongs to a switch grouping A1, and another part switch belongs to another switch grouping A2.
Simultaneously, the switch among the switch grouping A1 receives through switch controlling signal y1 control that the contact receives in second contact, and the switch among the switch grouping A2 receives the switch controlling signal y2 control that receives through another contact in second contact.
Therefore, can produce following combination through switch controlling signal y1 and y2:
1. the switch conduction among the switch grouping A1, and the switch among the switch grouping A2 breaks off; Or
2. the switch conduction among the switch grouping A2, and the switch among the switch grouping A1 breaks off; Or
3. the switch conduction among the switch grouping A1, and the switch conduction among the switch grouping A2.
In this case, just can test following situation respectively:
1. have only the corresponding sweep signal transmission line of the included switch of switch grouping A1 can receive scan test signal, corresponding TFT 112 opens, to test corresponding pixel;
2. have only the corresponding sweep signal transmission line of the included switch of switch grouping A2 can receive scan test signal,, corresponding TFT 112 opens, to test corresponding pixel;
3. all sweep signal transmission lines can receive scan test signal, and all TFT 112 open, to test all pixels.
Can find according to above description, pass through among the utility model embodiment switch is divided into groups, and utilize different switch controlling signals to control respectively, realize the separately test of the pixel of the different rows in the liquid crystal panel, enrich the test event of display panels.
In the specific embodiment of the utility model, split and close that divide into groups can be varied, as:
To be divided into one group with the switch that the sweep signal transmission line that is numbered odd number is connected, the switch that is connected with the sweep signal transmission line that is numbered even number is divided into one group, realizes the separately test of the pixel strange, that idol is gone; Or
The sweep signal transmission line is divided into two parts up and down; To be divided into one group with the switch that the sweep signal transmission line that is positioned at the first half is connected; The switch that is connected with the sweep signal transmission line that is positioned at the latter half is divided into one group, realizes being distributed in the separately test of viewing area pixel up and down.
Certainly, should be understood that, in the above-mentioned explanation be with the switch branch for 2 groups, can certainly divide more group with switch, realize more eurypalynous test pixel.Its difference only is that the combination of switch conduction/closure is more, is not described in detail at this.
< signal transmssion line is data signal transmission wire and sweep signal transmission line >
As shown in Figure 2, the multi-strip scanning signal transmssion line 107 of horizontal parallel distribution, many data signal transmission wire 101 that also have parallel longitudinal to distribute are arranged on display panels.In display panels, also have a viewing area 111, be provided with a plurality of TFT 112 in the viewing area.
And whole liquid crystal panel includes K1-K8 8 contacts altogether, wherein:
Contact K1, K6, K7 and K8 belong to first contact, comprising:
Be used for receiving first kind contact K6, K7 and the K8 of data test signal from the outside; And
Receive the second types of contacts K1 of scan test signal from the outside;
Contact K2, K3, K4 and K5 belong to second contact.
Said data signal transmission wire 101 is connected to said first kind contact K6, K7 or K8 through corresponding first switch 1041,1042,1043,1051,1052,1053;
Said sweep signal transmission line 107 is connected to the said second types of contacts K1 through corresponding second switch 108,109;
Said first switch 1041,1042,1043,1051,1052,1053 is divided at least two groups, and the control end that belongs to first switch of different grouping is connected to the second different contacts, controls separate;
As shown in Figure 2, the control end of first switch 1041,1042,1043 in the switch grouping 104 is connected to contact K4, and the control end of first switch 1051,1052,1053 in the switch grouping 105 is connected to contact K5;
Said second switch 108,109 is divided at least two groups, and the control end that belongs to the second switch of different grouping is connected to the second different contacts, controls separate.
As shown in Figure 2, the control end of switch 108 is connected to contact K3, and the control end of switch 109 is connected to contact K2.
Down in the face of the test process explanation of above-mentioned display panels shown in Figure 2 as follows.
< row test pixel >
At this, should be noted that at first that in the utility model specific embodiment according to the difference of actual substrate, in fact each row pixel comprises many sub-column pixel.
With situation shown in Figure 2 is example, comprising red sub-pixel test signal supply contact K6, green sub-pix test signal supply contact K7 and blue sub-pix test signal supply contact K8.In the specific embodiment of the utility model, adjacent red sub-row pixel, green sub-row pixel and blue sub-row pixel are formed a row pixel.
That is to say that every row pixel comprises a row red sub-pixel, a green sub-pix of row and the blue sub-pix of row, a row pixel is the data signal transmission wire (3 data signal transmission wire) of odd number or even number corresponding to suite number.
Under the effect of switch controlling signal x3 and x4, switch 108 and 109 conductings, at this moment, all sweep signal transmission lines 107 all receive scan test signal, and the corresponding TFT 112 of pixel is in open mode.
At this moment, under the effect of switch controlling signal x1 and x2, switch grouping 104 comprises following three kinds of situation with the conducting and the disconnection of switch grouping 105:
Switch conduction in the switch grouping 104, and the switch in the switch grouping 105 breaks off; Or
Switch conduction in the switch grouping 105, and the switch in the switch grouping 104 breaks off; Or
All conductings of switch in the switch grouping 104,105.
In this case, just can test following situation respectively:
Have only the switch corresponding data signal transmission wire of 104 included switches of dividing into groups to receive the data test signal, belong to the pixel that is listed as with test and switch 104 data signal transmission wire that are connected of dividing into groups;
Have only the switch corresponding data signal transmission wire of 105 included switches of dividing into groups to receive the data test signal, belong to the pixel that is listed as with test and switch 105 data signal transmission wire that are connected of dividing into groups;
All data signal transmission wire data can both receive the data test signal, to test all pixels.
Corresponding relation between the two is as shown in the table.
< row test pixel >
In this case, under the effect of switch controlling signal x1 and x2, switch grouping 104 and switch grouping 105 equal conductings, at this moment, all data signal transmission wire 101 all receive the data test signal.
At this moment, under the effect of switch controlling signal x3 and x4, the conducting and the disconnection of switch 108 and switch 109 comprise following three kinds of situation:
Switch 108 conductings, and switch 109 breaks off; Or
Switch 109 conductings, and switch 108 breaks off; Or
Switch 108 conductings, and switch 109 conductings.
In this case, just can test following situation respectively:
Have only switch 108 corresponding sweep signal transmission lines can receive scan test signal, the pixel of the row that the sweep signal transmission line that is connected with switch 108 with test belongs to;
Have only switch 109 corresponding sweep signal transmission lines can receive scan test signal, the pixel of the row that the sweep signal transmission line that is connected with switch 109 with test belongs to;
All data signal transmission wire data can both receive the data test signal, to test all pixels.
Corresponding relation between the two is as shown in the table.
< the ranks pixel is tested jointly >
In this case, under the effect of switch controlling signal x1, x2, x3 and x4, the state of switch grouping 104, switch grouping 105, switch 108 and switch 109 has following combination.
Certainly, in 3 above-mentioned embodiment, each bar data signal transmission wire/sweep signal transmission line has all connected a switch separately, but should be understood that, many data signal transmission wire or multi-strip scanning signal transmssion line can be shared a switch.
Certainly, can be through the setting of switches set, the utility model embodiment also can realize the test of the various combination of sub-row pixel, its difference only is the grouping for switch, repeats no more at this.
In the specific embodiment of the utility model; Can each single data signal transmssion line or the sweep signal transmission line all connect a switch; But also can be that many single data signal connecting line or sweep signal transmission line are connected to first contact through same switch, explain as follows.
Suppose that the specific embodiment of the utility model need test respectively red, green and blue sub-pix; Can be connected to a contact through a switch A this moment with all data signal transmission wire corresponding with red sub-pixel; All data signal transmission wire that will be corresponding with green sub-pix are connected to another contact through a switch B; All data signal transmission wire that will be corresponding with blue sub-pix are connected to another contact through a switch C; And switch A, B and C control separately, then can come to test respectively red, green and blue sub-pix through the conducting of CS A, B and C.
Suppose that the specific embodiment of the utility model need test respectively two-part pixel up and down; Can be connected to a contact through a switch D this moment with the sweep signal transmission line of the first half; The sweep signal transmission line of the latter half is connected to same contact through a switch E; And switch D and E control separately, then can come to test respectively the pixel of the first half of viewing area, the pixel of the latter half and whole pixels of viewing area through the conducting of CS D and/or E.
Suppose that the specific embodiment of the utility model need test respectively the row pixel that is numbered odd number and the row pixel that is numbered even number.Mentioned the said corresponding row pixel of data signal transmission wire that is numbered odd number or even number of each group, every row pixel comprises a row red sub-pixel, a green sub-pix of row and the blue sub-pix of row before.Therefore; Can all corresponding data signal transmission wire of red sub-pixel row that is numbered odd number be connected to a contact through a switch F; All corresponding data signal transmission wire of green sub-pix row that are numbered odd number are connected to another contact through a switch G; All corresponding data signal transmission wire of blue sub-pix row that are numbered odd number are connected to a contact through another switch H, and switch F, G, H are divided into one group, controlled by same switching signal; Simultaneously all corresponding data signal transmission wire of red sub-pixel row that are numbered even number are connected to a contact through a switch I; All corresponding data signal transmission wire of green sub-pix row that are numbered even number are connected to another contact through a switch J; All corresponding data signal transmission wire of blue sub-pix row that are numbered even number are connected to a contact through another K switch; And switch I, J, K are divided into one group, controlled by same switching signal; Finally can coming respectively through the conducting of controlling two switches groupings, test No. be the row pixel of odd number, the row pixel that is numbered even number and all pixels.
Certainly, more than only illustrate, can be that different switches is shared situation according to the difference of test needs, do not enumerate one by one at this.
As depicted in figs. 1 and 2, wherein 3 of left side data transfer signal lines can be connected to a contact through a switch, and 3 other data transfer signal lines can be connected to another contact through a switch.
In any embodiment of the utility model, in order to reduce the interference to normal demonstration, the first above-mentioned contact, second contact and switch all are arranged at outside the viewing area of said display panels.
Simultaneously; As depicted in figs. 1 and 2; One end of above-mentioned every bars transmission line is connected to a data-driven unit/scan drive cell; All switches all are connected in the end of said signal transmssion line away from said data-driven unit/scan drive cell, can effectively lower like this pixel of viewing area is brought influence.
But certainly, consider the progress of technology, above-mentioned switch also can be connected in the end of said signal transmssion line near said data-driven unit/scan drive cell.
Simultaneously, in the specific embodiment of the utility model, be arranged at the test zone outside the viewing area that is arranged in of display panels in all above-mentioned set of contacts.
In the specific embodiment of the utility model; Each bar data signal transmission wire can be connected to the first identical contact (contact of data test signal is provided); But the corresponding data signal transmission wire of sub-pix that also can be same color is connected to the same first kind contact that receives the data test signal from the outside, and the corresponding data signal transmission wire of the sub-pix of different colours is connected to different first kind contacts.
In the specific embodiment of the utility model, said switch is a thin film transistor (TFT), can in the process of making whole liquid crystal display panel, in advance these thin film transistor (TFT)s be made like this, supplies follow-up test to use.
Certainly, these switches also can be other switching devices, and the type of switching device does not influence the enforcement of the utility model embodiment.
In an embodiment of the utility model, for situation shown in Figure 2, can first switch be divided into two groups, wherein one group is that the data signal transmission wire of odd number is connected with many group #, another group and many group # are that the data signal transmission wire of even number is connected; Second switch also is divided into two groups, and wherein one group is that the sweep signal transmission line of odd number is connected with many group #, and another group and many group # are that the sweep signal transmission line of even number is connected.
So just can realize: the test of the test of the test of the test of the test of the test of the test of the test of the pixel of all odd-numbered lines, the pixel of all odd columns, the pixel of all even number lines, the pixel of all even columns, the pixel of odd-numbered line even column, the pixel of odd-numbered line even column, the pixel of odd-numbered line odd column, the pixel of even number line odd column, the test of the pixel of even number line even column and the integrated testability of all pixels.
For above-mentioned odd-numbered line/row, even number line/row can be numbered affirmation to signal transmssion line through certain rule.
The utility model embodiment is through being connected to signal source with signal transmssion line through switch; Come the break-make of CS then through various signals; Guarantee to receive test signal by the control section signal transmssion line at one time; And another part signal transmssion line can't receive test signal, so just can the pixel on the liquid crystal panel separately be tested, and has enriched the test event of display panels with simple structure.
The utility model embodiment also provides a kind of LCD that comprises above-mentioned display panels.
The above only is the embodiment of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (10)
1. display panels, comprising: many barss transmission line and public electrode is characterized in that said display panels also comprises:
Be used for receiving first contact of the test signal that is used for test pixel from the outside;
At least two switches that are connected with the said signal transmssion line of part respectively;
Be used for receiving second contact of the switch controlling signal be used to control said switch from the outside;
Be used for receiving the 3rd contact of public electrode test signal, be electrically connected with public electrode from the outside;
Said signal transmssion line is connected to said first contact through corresponding switch;
Said at least two switches are divided at least two groups, and the control end that belongs to the switch of different grouping is connected to the second different contacts.
2. display panels according to claim 1 is characterized in that:
Said signal transmssion line comprises data signal transmission wire and sweep signal transmission line;
Said first contact comprises the first kind contact and second types of contacts that is used for receiving from the outside scan test signal that is used for receiving from the outside data test signal;
Said data signal transmission wire is connected to said first kind contact through corresponding first switch;
Said sweep signal transmission line is connected to said second types of contacts through corresponding second switch;
Said first switch is divided at least two groups, and the control end that belongs to first switch of different grouping is connected to the second different contacts, controls separate;
Said second switch is divided at least two groups, and the control end that belongs to the second switch of different grouping is connected to the second different contacts, controls separate.
3. display panels according to claim 2 is characterized in that:
Said first switch is divided into two groups, and wherein one group is that the data signal transmission wire of odd number is connected with many group #, and another group and many group # are that the data signal transmission wire of even number is connected;
Said second switch is divided into two groups, and wherein one group is connected with many sweep signal transmission lines that are numbered odd number, and another group is connected with many sweep signal transmission lines that are numbered even number.
4. display panels according to claim 3; It is characterized in that; The said corresponding row pixel of data signal transmission wire that is numbered odd number or even number of each group, every row pixel comprises a row red sub-pixel, a green sub-pix of row and the blue sub-pix of row.
5. display panels according to claim 4 is characterized in that, needs the pairing data signal transmission wire of pixel or the sweep signal transmission line of test simultaneously to be connected to first contact through same switch.
6. display panels according to claim 1 is characterized in that, said first contact, second contact and switch all are arranged at outside the viewing area of said display panels.
7. display panels according to claim 1 is characterized in that, an end of every bars transmission line is connected to a data-driven unit or a scan drive cell, and all switches all are connected in the end of said signal transmssion line away from said driver element.
8. display panels according to claim 1 is characterized in that, said switch is a thin film transistor (TFT).
9. display panels according to claim 1 is characterized in that, said signal transmssion line is data signal transmission wire and/or sweep signal transmission line.
10. a LCD is characterized in that, comprises any described display panels among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220193178 CN202533678U (en) | 2012-04-28 | 2012-04-28 | Liquid crystal display panel and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220193178 CN202533678U (en) | 2012-04-28 | 2012-04-28 | Liquid crystal display panel and liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202533678U true CN202533678U (en) | 2012-11-14 |
Family
ID=47134851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220193178 Expired - Lifetime CN202533678U (en) | 2012-04-28 | 2012-04-28 | Liquid crystal display panel and liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202533678U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698637A (en) * | 2015-04-01 | 2015-06-10 | 上海天马微电子有限公司 | Array substrate, test method, display panel and display device |
| CN104793419A (en) * | 2015-05-08 | 2015-07-22 | 上海天马微电子有限公司 | Array substrate, display panel and display device |
| CN104933979A (en) * | 2015-07-20 | 2015-09-23 | 京东方科技集团股份有限公司 | Detecting circuit, detecting method and displaying device |
| CN105590572A (en) * | 2015-12-21 | 2016-05-18 | 上海中航光电子有限公司 | Display device and display-testing method |
| WO2016095240A1 (en) * | 2014-12-17 | 2016-06-23 | 深圳市华星光电技术有限公司 | Detection circuit for display panel, and using method therefor |
| CN106340261A (en) * | 2016-10-13 | 2017-01-18 | 武汉华星光电技术有限公司 | Array substrate test circuit and display panel |
| CN106409199A (en) * | 2016-11-25 | 2017-02-15 | 武汉华星光电技术有限公司 | Display panel test system and method |
| CN106448519A (en) * | 2015-08-07 | 2017-02-22 | 群创光电股份有限公司 | Display device |
| CN106782238A (en) * | 2016-12-20 | 2017-05-31 | 武汉华星光电技术有限公司 | Detection circuit, detection method and display panel |
| CN106910446A (en) * | 2017-04-19 | 2017-06-30 | 惠科股份有限公司 | Display panel |
| CN112908229A (en) * | 2021-01-28 | 2021-06-04 | 京东方科技集团股份有限公司 | Driving backboard, detection method thereof and display device |
-
2012
- 2012-04-28 CN CN 201220193178 patent/CN202533678U/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016095240A1 (en) * | 2014-12-17 | 2016-06-23 | 深圳市华星光电技术有限公司 | Detection circuit for display panel, and using method therefor |
| US10134316B2 (en) | 2015-04-01 | 2018-11-20 | Shanghai Tianma Micro-electronics Co., Ltd. | Array substrate, testing method, display panel and display apparatus |
| CN104698637B (en) * | 2015-04-01 | 2019-01-15 | 上海天马微电子有限公司 | Array substrate, test method, display panel and display device |
| CN109036238A (en) * | 2015-04-01 | 2018-12-18 | 上海天马微电子有限公司 | Array substrate, test method, display panel and display device |
| CN104698637A (en) * | 2015-04-01 | 2015-06-10 | 上海天马微电子有限公司 | Array substrate, test method, display panel and display device |
| CN104793419A (en) * | 2015-05-08 | 2015-07-22 | 上海天马微电子有限公司 | Array substrate, display panel and display device |
| CN104793419B (en) * | 2015-05-08 | 2018-09-14 | 上海天马微电子有限公司 | array substrate, display panel and display device |
| US9898944B2 (en) | 2015-07-20 | 2018-02-20 | Boe Technology Group Co., Ltd. | Detecting circuit, detecting method and display device |
| CN104933979A (en) * | 2015-07-20 | 2015-09-23 | 京东方科技集团股份有限公司 | Detecting circuit, detecting method and displaying device |
| CN106448519A (en) * | 2015-08-07 | 2017-02-22 | 群创光电股份有限公司 | Display device |
| CN106448519B (en) * | 2015-08-07 | 2019-10-18 | 群创光电股份有限公司 | Display equipment |
| CN105590572A (en) * | 2015-12-21 | 2016-05-18 | 上海中航光电子有限公司 | Display device and display-testing method |
| CN106340261A (en) * | 2016-10-13 | 2017-01-18 | 武汉华星光电技术有限公司 | Array substrate test circuit and display panel |
| CN106409199A (en) * | 2016-11-25 | 2017-02-15 | 武汉华星光电技术有限公司 | Display panel test system and method |
| CN106782238A (en) * | 2016-12-20 | 2017-05-31 | 武汉华星光电技术有限公司 | Detection circuit, detection method and display panel |
| CN106910446A (en) * | 2017-04-19 | 2017-06-30 | 惠科股份有限公司 | Display panel |
| CN112908229A (en) * | 2021-01-28 | 2021-06-04 | 京东方科技集团股份有限公司 | Driving backboard, detection method thereof and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202533678U (en) | Liquid crystal display panel and liquid crystal display | |
| CN208970143U (en) | Drive selection circuit of display panel, display panel and display device | |
| CN109671405B (en) | Array substrate, display panel and driving method thereof | |
| CN107942556B (en) | Array substrate, liquid crystal display panel and driving method thereof | |
| CN101000414B (en) | Liquid crystal display | |
| CN202285072U (en) | Color filter substrate, array substrate, liquid crystal display panel and display device | |
| US9898944B2 (en) | Detecting circuit, detecting method and display device | |
| US10977970B2 (en) | Array substrate, display apparatus, detecting apparatus and detecting method for detecting defect connection of data line | |
| US10403648B2 (en) | Array substrates with adjacent sub-pixels having opposite polarities | |
| US10971091B2 (en) | Array substrate, display panel and driving method thereof, and display device | |
| US10490152B2 (en) | Display device with source integrated circuits having different channel numbers | |
| CN106154668B (en) | Pixel driving system, liquid crystal display and pixel driving method | |
| CN103268029A (en) | Display module and displayer | |
| CN102385205A (en) | Pixel structure | |
| CN206096715U (en) | Array baseplate and display device | |
| CN107464538A (en) | Display device and driving method thereof | |
| CN105425486A (en) | Array substrate and display panel | |
| CN101369061A (en) | Method for driving liquid crystal display panel | |
| CN105301858A (en) | Display panel, preparation method of display panel and array substrate | |
| US9886917B2 (en) | Liquid crystal display device and control method for the same | |
| US20210405485A1 (en) | Display panel and display device | |
| US11210974B2 (en) | Driving circuit of display apparatus | |
| US9336737B2 (en) | Array substrate, display device and control method thereof | |
| CN110174804A (en) | A kind of array substrate, display panel, its driving method and display device | |
| CN102879965A (en) | Liquid crystal display panel and liquid crystal display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121114 |