CN207895832U - Display base plate, display panel and display device - Google Patents
Display base plate, display panel and display device Download PDFInfo
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- CN207895832U CN207895832U CN201820400407.7U CN201820400407U CN207895832U CN 207895832 U CN207895832 U CN 207895832U CN 201820400407 U CN201820400407 U CN 201820400407U CN 207895832 U CN207895832 U CN 207895832U
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- signal end
- base plate
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Abstract
The utility model discloses a kind of display base plate, display panel and display devices.Viewing area and at least one cabling area except viewing area are set on display base plate；Display base plate includes underlay substrate and multiple connection structures on underlay substrate, each connected by control module between connection structure and corresponding margin signal end, connection structure, margin signal end and control module are respectively positioned on cabling area, and margin signal end is located at the cutting line in cabling area；Control module is used to be connected in test phase, so that the test signal of margin signal end output is exported to connection structure；And disconnected in the display stage, so as to be off between connection structure and corresponding margin signal end.It in the utility model, when short circuit phenomenon occurs in margin signal end, will not be interfered with each other between the display signal loaded in different connection structures, occur display bad phenomenon in display so as to avoid display device.
Description
Technical field
The utility model is related to display technology field, more particularly to a kind of display base plate, display panel and display device.
Background technology
In the production process of display panel, display master blank manufacture after the completion of, can by test equipment to display master blank into
Row test (array test).After the completion of test, display master blank can be carried out along cutting line to be cut to multiple display panels.
Since there are conductive residues for the section part of marginal position where cutting line, it be easy to cause margin location where cutting line
Set appearance short circuit, so as to cause display device display when occur show bad phenomenon, such as it is improper display or line it is bad.
Utility model content
A kind of display base plate of the utility model offer, display panel and display device, for avoiding display device from showing
When occur show bad phenomenon.
To achieve the above object, the utility model provides a kind of display base plate, and viewing area is arranged on the display base plate
With at least one cabling area except viewing area；The display base plate include underlay substrate and positioned at the underlay substrate it
On multiple connection structures, each connected by control module between the connection structure and corresponding margin signal end, it is described
Connection structure, the margin signal end and the control module are respectively positioned on the cabling area, and the margin signal end is located at described
At the cutting line in cabling area；
The control module be used for test phase be connected so that the margin signal end output test signal export to
The connection structure；And disconnected in the display stage, so that in disconnected between the connection structure and corresponding margin signal end
Open state.
Optionally, the control module includes first switch pipe and second switch pipe, the first switch pipe and described
Two switching tubes are different；
The control pole of the first switch pipe is connected to the margin signal end, the first pole connection of the first switch pipe
To the margin signal end, the second pole of the first switch pipe is connected to the connection structure；
The control pole of the second switch pipe is connected to the margin signal end, the first pole connection of the second switch pipe
To the margin signal end, the second pole of the second switch pipe is connected to the connection structure.
Optionally, the first switch pipe is N-type metal-oxide-semiconductor, and the second switch pipe is p-type metal-oxide-semiconductor.
Optionally, the control module includes first switch pipe；
The control pole of the first switch pipe is connected to the margin signal end, the first pole connection of the first switch pipe
To the margin signal end, the second pole of the first switch pipe is connected to the corresponding connection structure.
Optionally, the first switch pipe is N-type metal-oxide-semiconductor.
Optionally, the connection structure is additionally coupled to driving circuit；
The connection structure is used to receive the display signal of the driving circuit output in the display stage.
Optionally, the connection structure is signal pin.
Optionally, the quantity in the cabling area is one or two.
To achieve the above object, the utility model provides a kind of display panel, including the counter substrate being oppositely arranged and
Above-mentioned display base plate.
Optionally, the display panel includes liquid crystal display panel or AMOLED display panels.
To achieve the above object, the utility model provides a kind of display device, including above-mentioned display panel.
The utility model has the advantages that：
In the technical solution of display base plate provided by the utility model, display panel and display device, each connection structure
It is connected by control module between corresponding margin signal end, margin signal end is located at the cutting line in cabling area, controls mould
Block is used to be connected in test phase so that the test signal of margin signal end output exports to connection structure and control module and exists
The display stage disconnects so as to be off between connection structure and corresponding margin signal end, and short circuit occurs in margin signal end
It is different to that will not be interfered with each other between the display signal that is loaded in connection structure when phenomenon, exist so as to avoid display device
Occur showing bad phenomenon when display.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram for display base plate that the utility model embodiment one provides；
Fig. 2 a are the schematic diagram of test phase in embodiment one；
Fig. 2 b are the schematic diagram that the stage is shown in embodiment one；
Fig. 3 is a kind of structural schematic diagram for display base plate that the utility model embodiment two provides；
Fig. 4 a are the schematic diagram of test phase in embodiment two；
Fig. 4 b are the schematic diagram that the stage is shown in embodiment two.
Specific implementation mode
To make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings to this reality
It is described in detail with the display base plate of novel offer, display panel and display device.
Fig. 1 is a kind of structural schematic diagram for display base plate that the utility model embodiment one provides, as shown in Figure 1, display
Viewing area and at least one cabling area except viewing area are set on substrate.Display base plate includes underlay substrate 1 and is located at
Multiple connection structures 2 on underlay substrate 1 pass through control module between each connection structure 2 and corresponding margin signal end 3
Connection, connection structure 2, margin signal end 3 and control module are respectively positioned on cabling area, and margin signal end 3 is located at the cutting in cabling area
At line.Control module is used to be connected in test phase, so that the test signal that margin signal end 3 exports is exported to connection structure 2；
And disconnected in the display stage, so as to be off between connection structure 2 and corresponding margin signal end 3.
In the present embodiment, display master blank includes multiple display panels, and each display panel includes the display base being oppositely arranged
Plate and counter substrate.The display base plate in a display panel is illustrated only in Fig. 1.It, can be along cutting after display master blank completes
Secant carries out cutting to display master blank and forms multiple display panels.Fig. 2 a are the schematic diagram of test phase in embodiment one, are such as schemed
Shown in 2a, the test phase before being cut to display master blank, test equipment 5 is surveyed for testing display master blank
Display master blank can be carried out after the completion of examination to be cut to display panel.As shown in Figure 2 a, in test phase, each display surface
Margin signal end 3 in the display base plate of plate is connected to test equipment 5, and control module is connected at this time, and test equipment 5 passes through side
Edge signal end 3 and the control module of conducting export test signal to connection structure 2, to realize to the display panel in display master blank
It is tested.
In the present embodiment, each connection structure 2 both corresponds to a control module, therefore the quantity of control module can be
It is multiple.And the concrete structure of control module can be a variety of.Two kinds of controls are shown in Fig. 1, Fig. 2 a and Fig. 2 b in the present embodiment
Molding block, i.e. control module 41 and control module 42.
Wherein, control module 41 includes first switch pipe T1 and second switch pipe T2, first switch pipe T1 and second switch
Pipe T2 is different.The control pole of first switch pipe T1 is connected to margin signal end 3, and the first pole of first switch pipe T1 is connected to edge
Second pole of signal end 3, first switch pipe T1 is connected to connection structure 2.The control pole of second switch pipe T2 is connected to edge letter
Number end 3, the first pole of second switch pipe T2 are connected to margin signal end 3, and the second pole of second switch pipe T2 is connected to connection knot
Structure 2.Specifically, first switch pipe T1 conductings or the T2 conductings of second switch pipe, so that control module 41 is connected.Preferably,
One switch transistor T 1 is N-type metal-oxide-semiconductor, and second switch pipe T2 is p-type metal-oxide-semiconductor.In test phase, if test signal is high level signal
When, first switch pipe T1 conductings, second switch pipe T2 is disconnected, at this time since first switch pipe T1 is connected, control module 41
Conducting；If test signal is low level signal, first switch pipe T1 is disconnected, second switch pipe T2 conductings, at this time due to second
Switch transistor T 2 is connected, therefore control module 41 is connected.
Wherein, control module 42 includes first switch pipe T1.The control pole of first switch pipe T1 is connected to margin signal end
The first pole of 3, first switch pipe T1 are connected to margin signal end 3, and the second pole of first switch pipe T1 is connected to connection structure 2.
Specifically, first switch pipe T1 is connected, so that control module 42 is connected.Preferably, first switch pipe T1 is N-type metal-oxide-semiconductor.It is surveying
The examination stage, if test signal is high level signal, the T1 conductings of first switch pipe, at this time since first switch pipe T1 is connected, because
This control module 42 is connected.
Fig. 2 b are to show that the schematic diagram in stage is carrying out cutting formation to display master blank as shown in Figure 2 b in embodiment one
After display panel, driving circuit 6 is connect with connection structure 2, connection structure 2 is additionally coupled to driving circuit 6, connection knot at this time
Structure 2 is used to receive the display signal that driving circuit 6 exports in the display stage.In the present embodiment, it is preferable that connection structure 2 is letter
Number pin (bump).After carrying out cutting to display master blank and forming display panel, i.e., in the display stage, connection structure 2 receives
The display signal that driving circuit 6 exports is so that display panel shows picture according to display signal.Display signal may include sequential control
Signal processed or data voltage signal.Fig. 1, Fig. 2 a and Fig. 2 b are described by taking four connection structures 2 as an example, for example, from a left side to
The right side, the display signal that first connection structure 2 receives are that timing control signal is clock (CK) signal, second connection structure
Bus (CB) signal, the display signal that third and the 4th connection structure 2 receive are equal in order to control for the 2 display signals received
For data voltage signal.The quantity for receiving the connection structure 2 of data voltage signal is multiple, and two are illustrated only in figure.
The quantity in cabling area can be one or two.In the present embodiment, it is preferable that the quantity in cabling area is one.
In the display stage, since margin signal end 3 no longer exports any signal, i.e. margin signal end 3 is in suspension
(floating) state, at this point, first switch pipe T1 and second switch pipe T2 are disconnected, therefore control module 41 and control module
42 disconnect.Since control module disconnects, also disconnects between margin signal end 3 and connection structure 2, loaded in connection structure 2
Display signal can not be back to corresponding margin signal end 3, even if conduction of the margin signal end 3 due to generation at cutting line at this time
The influence of residue and there is short circuit phenomenon, the display signal loaded in remaining connection structure 2 will not be interfered.Change speech
It, will not interfere between the display signal loaded in different connection structures 2.
Only include first switch pipe T1 in the present embodiment, in control module 42, first switch pipe T1 is N-type metal-oxide-semiconductor, therefore
When test signal is high level signal, first switch pipe T1 could be connected.Wherein, which can be that positive voltage is believed
Number.Therefore in the present embodiment, display panel can be AMOLED display panels, then display base plate can be that AMOLED shows base
Plate；Alternatively, display panel can be the liquid crystal display panel of positive bias driving, then display base plate can be array substrate.
In the technical solution of display base plate provided in this embodiment, between each connection structure and corresponding margin signal end
Connected by control module, margin signal end is located at the cutting line in cabling area, control module be used for test phase be connected with
Make the test signal that margin signal end exports export to connection structure and control module to disconnect so that connection is tied in the display stage
It is off between structure and corresponding margin signal end, when there is short circuit phenomenon in margin signal end, different connection structures
It will not be interfered with each other between the display signal of upper load, occur display bad phenomenon in display so as to avoid display device.
In the present embodiment, without removing conductive residues by way of wiping, avoids and connection structure is caused to scratch, to avoid
Cause product bad and security risk.In the present embodiment, it is not necessarily to by way of plasma clean to section part
Conductive residues are cleaned, and cleaning difficulty is reduced, to improve product yield.
Fig. 3 is a kind of structural schematic diagram for display base plate that the utility model embodiment two provides, and Fig. 4 a are embodiment two
The schematic diagram of middle test phase, Fig. 4 b are the schematic diagram that the stage is shown in embodiment two, as shown in Fig. 3, Fig. 4 a and Fig. 4 b, this reality
Applying example, difference lies in be only provided with a kind of control module, i.e. control module 41 with above-described embodiment one in the present embodiment.Control
Module 41 includes first switch pipe T1 and second switch pipe T2, can be found in above-described embodiment one to the description of control module 41, this
Place repeats no more.
In the present embodiment, the 2 corresponding control module 41 of connection structure for receiving data voltage signal includes first switch pipe
T1 and second switch pipe T2, first switch pipe T1 be N-type metal-oxide-semiconductor, second switch pipe T2 be p-type metal-oxide-semiconductor, therefore test signal without
By for high level signal or low level signal, 2 corresponding control module of connection structure, the 41 equal energy of data voltage signal is received
Enough conductings, wherein high level signal can be positive voltage signal, and low level signal can be negative voltage signal.Therefore this implementation
In example, display panel can be liquid crystal display panel, then display base plate can be array substrate.
Above-described embodiment one can be found in the description of other structures in the present embodiment, details are not described herein again.
In the technical solution of display base plate provided in this embodiment, between each connection structure and corresponding margin signal end
Connected by control module, margin signal end is located at the cutting line in cabling area, control module be used for test phase be connected with
Make the test signal that margin signal end exports export to connection structure and control module to disconnect so that connection is tied in the display stage
It is off between structure and corresponding margin signal end, when there is short circuit phenomenon in margin signal end, different connection structures
It will not be interfered with each other between the display signal of upper load, occur display bad phenomenon in display so as to avoid display device.
The utility model embodiment three provides a kind of display panel, and display panel may include the display base plate being oppositely arranged
And counter substrate, wherein the display base plate that above-described embodiment one can be used in display base plate or embodiment two provides, herein no longer
It repeats.
Optionally, display panel can be AMOLED display panels, then display base plate can be AMOLED display base plates, right
It is protective substrate to set substrate.
Optionally, display panel can be liquid crystal display panel, then display base plate can be array substrate, and counter substrate can
Think color membrane substrates.
In the technical solution of display panel provided in this embodiment, between each connection structure and corresponding margin signal end
Connected by control module, margin signal end is located at the cutting line in cabling area, control module be used for test phase be connected with
Make the test signal that margin signal end exports export to connection structure and control module to disconnect so that connection is tied in the display stage
It is off between structure and corresponding margin signal end, when there is short circuit phenomenon in margin signal end, different connection structures
It will not be interfered with each other between the display signal of upper load, occur display bad phenomenon in display so as to avoid display device.
The utility model embodiment four provides a kind of display device, which includes the display that embodiment three provides
Panel.Above-described embodiment three can be found in the description of display panel, details are not described herein again.
Further, display device further includes driving circuit, and driving circuit is used to export to display panel in the display stage
Show signal.
In the technical solution of display device provided in this embodiment, between each connection structure and corresponding margin signal end
Connected by control module, margin signal end is located at the cutting line in cabling area, control module be used for test phase be connected with
Make the test signal that margin signal end exports export to connection structure and control module to disconnect so that connection is tied in the display stage
It is off between structure and corresponding margin signal end, when there is short circuit phenomenon in margin signal end, different connection structures
It will not be interfered with each other between the display signal of upper load, occur display bad phenomenon in display so as to avoid display device.
It is understood that embodiment of above is merely to illustrate that the principles of the present invention and uses exemplary
Embodiment, however the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case of the spirit and essence of utility model, various changes and modifications can be made therein, these variations and modifications are also considered as this reality
With novel protection domain.
Claims (11)
1. a kind of display base plate, setting viewing area and at least one cabling area except viewing area on the display base plate；
It is characterized in that, the display base plate includes underlay substrate and multiple connection structures on the underlay substrate, each
It is connected by control module between the connection structure and corresponding margin signal end, the connection structure, the margin signal
End and the control module are respectively positioned on the cabling area, and the margin signal end is located at the cutting line in the cabling area；
The control module is used to be connected in test phase, so that the test signal of margin signal end output is exported to described
Connection structure；And disconnected in the display stage, so that in disconnection shape between the connection structure and corresponding margin signal end
State.
2. display base plate according to claim 1, which is characterized in that the control module includes first switch pipe and second
Switching tube, the first switch pipe and second switch pipe difference；
The control pole of the first switch pipe is connected to the margin signal end, and the first pole of the first switch pipe is connected to institute
Margin signal end is stated, the second pole of the first switch pipe is connected to the connection structure；
The control pole of the second switch pipe is connected to the margin signal end, and the first pole of the second switch pipe is connected to institute
Margin signal end is stated, the second pole of the second switch pipe is connected to the connection structure.
3. display base plate according to claim 2, which is characterized in that the first switch pipe is N-type metal-oxide-semiconductor, described the
Two switching tubes are p-type metal-oxide-semiconductor.
4. display base plate according to claim 1, which is characterized in that the control module includes first switch pipe；
The control pole of the first switch pipe is connected to the margin signal end, and the first pole of the first switch pipe is connected to institute
Margin signal end is stated, the second pole of the first switch pipe is connected to the corresponding connection structure.
5. display base plate according to claim 4, which is characterized in that the first switch pipe is N-type metal-oxide-semiconductor.
6. display base plate according to claim 1, which is characterized in that the connection structure is additionally coupled to driving circuit；
The connection structure is used to receive the display signal of the driving circuit output in the display stage.
7. display base plate according to claim 1 or 6, which is characterized in that the connection structure is signal pin.
8. display base plate according to claim 1, which is characterized in that the quantity in the cabling area is one or two.
9. a kind of display panel, which is characterized in that including the counter substrate being oppositely arranged and any institute of the claims 1 to 8
The display base plate stated.
10. display panel according to claim 9, which is characterized in that the display panel include liquid crystal display panel or
Person's AMOLED display panels.
11. a kind of display device, which is characterized in that including the display panel described in the claims 9 or 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820400407.7U CN207895832U (en) | 2018-03-23 | 2018-03-23 | Display base plate, display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820400407.7U CN207895832U (en) | 2018-03-23 | 2018-03-23 | Display base plate, display panel and display device |
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| Publication Number | Publication Date |
|---|---|
| CN207895832U true CN207895832U (en) | 2018-09-21 |
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ID=63539909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820400407.7U Active CN207895832U (en) | 2018-03-23 | 2018-03-23 | Display base plate, display panel and display device |
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| Country | Link |
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| CN (1) | CN207895832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019179218A1 (en) * | 2018-03-23 | 2019-09-26 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method therefor, display panel, display motherboard and testing method therefor, and display device |
| CN110320720A (en) * | 2019-06-28 | 2019-10-11 | 昆山国显光电有限公司 | Display panel and preparation method thereof |
-
2018
- 2018-03-23 CN CN201820400407.7U patent/CN207895832U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019179218A1 (en) * | 2018-03-23 | 2019-09-26 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method therefor, display panel, display motherboard and testing method therefor, and display device |
| US11200819B2 (en) | 2018-03-23 | 2021-12-14 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display substrate and manufacturing method thereof, display panel, display motherboard and testing method thereof, and display device |
| CN110320720A (en) * | 2019-06-28 | 2019-10-11 | 昆山国显光电有限公司 | Display panel and preparation method thereof |
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