CN109064900A - A kind of stretchable display base plate and its manufacturing method, stretchable displayer - Google Patents
A kind of stretchable display base plate and its manufacturing method, stretchable displayer Download PDFInfo
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- CN109064900A CN109064900A CN201811026804.3A CN201811026804A CN109064900A CN 109064900 A CN109064900 A CN 109064900A CN 201811026804 A CN201811026804 A CN 201811026804A CN 109064900 A CN109064900 A CN 109064900A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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Abstract
本发明提供了一种可拉伸显示基板及其制造方法、可拉伸显示器，所述可拉伸显示基板包括：衬底基板，包括呈阵列分布且彼此分隔开的多个岛、及多个连接桥，多个连接桥包括在第一拉伸方向上连接岛的第一桥及在第二拉伸方向上连接岛的第二桥；多个显示单元，每一岛上设置有一显示单元；在第一拉伸方向上电连接各显示单元的第一信号线，第一信号线包括布设于岛上的第一走线及布设于第一桥上的第二走线；在第二拉伸方向上电连接各显示单元的第二信号线，第二信号线包括布设于岛上的第三走线及布设于第二桥上的第四走线；第二走线与第四走线采用相同材质制作而成。本发明的可拉伸显示基板在不同拉伸方向上，连接桥的受力均匀，提高产品的可拉伸性能。
The present invention provides a stretchable display substrate, a manufacturing method thereof, and a stretchable display. The stretchable display substrate includes: a base substrate including a plurality of islands distributed in an array and separated from each other; A connecting bridge, a plurality of connecting bridges include a first bridge connecting the islands in the first stretching direction and a second bridge connecting the islands in the second stretching direction; a plurality of display units, each island is provided with a display unit ; Electrically connect the first signal line of each display unit in the first stretching direction, the first signal line includes the first wiring on the island and the second wiring on the first bridge; The extension direction is electrically connected to the second signal line of each display unit. The second signal line includes the third line on the island and the fourth line on the second bridge; the second line and the fourth line Made of the same material. In the stretchable display substrate of the present invention, in different stretching directions, the force of the connecting bridge is uniform, and the stretchability of the product is improved.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of stretchable display base plate and its manufacturing methods, stretchable
Display.
Background technique
Stretchable displayer need to underlay substrate (PI layers) and the above film layer borehole of underlay substrate or setting cut-off rule so that
Its display base plate is respectively formed in array distribution and multiple islands separated from one another and connects island each in multiple islands
Multiple connecting bridges, so that display base plate has stretchable performance.The stress-strain of the underlay substrate of stretchable displayer is bent
For line analysis it is found that after amount of tension reaches a certain level, the deformation of underlay substrate is irrecoverable, or even can be broken.
From the point of view of existing stretchable displayer tensile property test result, when carrying out tension test, the inside of connecting bridge,
It is stress weak spot close to intermediate region, is easiest to that Crack (fracture) occurs.And its longitudinal direction of flexible extensible display base plate and cross
To that need to convey different signal wires respectively, under conventional design, data line direction mostly uses SD metal (that is, with thin film transistor (TFT)
Source, the identical metal of drain electrode material), scanning line direction mostly use Mo (molybdenum) metal (generally with the grid material of thin film transistor (TFT)
It is identical), in this way, will lead to the metal routing difference walked in the connecting bridge of vertical and horizontal, since connecting bridge is after stretching
Weak spot will appear on different stretch direction, connecting bridge tensile resistance if the metal routing walked in connecting bridge is different
Uneven problem, to influence the tensile property of product.
Summary of the invention
It, can be with the purpose of the present invention is to provide a kind of stretchable display base plate and its manufacturing method, stretchable displayer
So that on different stretch direction, the uniform force of connecting bridge improves the tensility energy of product.
Technical solution provided by the present invention is as follows:
On the one hand a kind of stretchable display base plate is provided in the embodiment of the present invention, comprising:
Underlay substrate, including in array distribution and multiple islands separated from one another and by each institute in multiple islands
Multiple connecting bridges that island connects are stated, the multiple connecting bridge includes the first bridge that the island is connected on the first draw direction
And second bridge on the island is connected on the second draw direction；
In multiple display units of array distribution, a display unit is provided on each island；
The first signal wire of each display unit, the first signal wire packet are electrically connected on first draw direction
The second cabling for including the first cabling being laid on the island and being laid on first bridge；
And the second signal line of each display unit, the second signal are electrically connected on second draw direction
Line includes the third cabling being laid on the island and the 4th cabling that is laid on second bridge；
Wherein second cabling is made with the 4th cabling using same material.
Further, in first signal wire, first cabling and the second cabling same layer and same material are arranged；
In the second signal line, the third cabling and the 4th cabling different layers are arranged, and by insulating layer
Via hole electrical connection.
Further, the 4th cabling and first cabling, the second cabling same layer are arranged.
Further, in the second signal line, the third cabling is different from the 4th cabling material.
Further, first signal wire be data line, the second signal line be scan line, first cabling,
Second cabling and the 4th cabling are all made of the first metal and are made, and the third cabling is made of the second metal, institute
The resistivity for stating the first metal is less than the bimetallic resistivity.
Further, first signal wire is scan line, and the second signal line is data line, and the third cabling is adopted
It is made of the first metal, first cabling, second cabling and the 4th cabling are all made of the second metal and are made, described
The resistivity of first metal is less than the bimetallic resistivity.
On the other hand the embodiment of the present invention provides a kind of stretchable displayer, including stretchable display base as described above
Plate.
On the other hand the embodiment of the present invention provides a kind of manufacturing method of stretchable display base plate, for manufacturing institute as above
The stretchable display base plate stated, which comprises
There is provided a underlay substrate, the underlay substrate includes in array distribution and multiple islands separated from one another and will be more
Multiple connecting bridges of each island connection in a island, the multiple connecting bridge includes that the island is connected on the first draw direction
First bridge and the second bridge that the island is connected on the second draw direction；
Multiple display units are formed on the underlay substrate, each display is electrically connected on first draw direction
First signal wire of unit and the second signal line that each display unit is electrically connected on second draw direction, wherein
Each corresponding display unit in the island, first signal wire includes the first cabling being laid on the island and laying
The second cabling on first bridge, the second signal line include the third cabling being laid on the island and are laid in institute
The 4th cabling on the second bridge is stated, second cabling is made with the 4th cabling using same material.
Further, in the method, first cabling and second cabling are formed using with a patterning processes.
Further, it in the method, is walked using with a patterning processes in formation first cabling and described second
While line, the 4th cabling is formed.
It is had the beneficial effect that brought by the present invention:
In above scheme, by stretchable display base plate is laid on the first bridge on different stretch direction second
The 4th cabling laid on cabling and the second bridge is made of same material, so that the connecting bridge upward wiring in different stretch direction
Material is consistent, so that the connecting bridge uniform force on different stretch direction, improves the tensility energy of product, is promoted
The extensibility of product.
Detailed description of the invention
Fig. 1 shows a kind of structural schematic diagrams of embodiment of stretchable display base plate provided in an embodiment of the present invention.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
For the miscut lumber that stretchable display base plate is laid in the connecting bridge on different stretch direction in the prior art
Matter is different, and the problem of leading to the connecting bridge discontinuity on different stretch direction and influence product tensile property, the present invention is real
It applies and provides a kind of stretchable display base plate and its manufacturing method, stretchable displayer in example, product tensile property can be improved.
As shown in Figure 1, the stretchable display base plate provided in the embodiment of the present invention includes:
Underlay substrate, including in array distribution and multiple islands 100 separated from one another and will be in multiple islands 100
Multiple connecting bridges that each island 100 connects, the multiple connecting bridge include on the first draw direction X connection described in
First bridge 210 on island 100 and the second bridge 220 that the island 100 is connected on the second draw direction Y；
In multiple display units of array distribution, a display unit is provided on each island 100；
The first signal wire of each display unit, first signal wire are electrically connected on the first draw direction X
Including the first cabling 310 being laid on the island 100 and the second cabling 320 being laid on first bridge 210；
And the second signal line of each display unit, the second signal are electrically connected on the second draw direction Y
Line includes the third cabling 330 being laid on the island 100 and the 4th cabling 340 that is laid on second bridge 220；
Wherein second cabling 320 is made with the 4th cabling 340 using same material.
In above scheme, pass through laid stretchable display base plate on the first bridge 210 on different stretch direction
The 4th cabling 340 laid on second cabling 320 and the second bridge 220 is made using same material, so that different stretch
The connecting bridge upward wiring material in direction is consistent, so that the connecting bridge uniform force on different stretch direction, improves and produce
The tensility energy of product, promotes the extensibility of product.
It should be noted that in stretchable display base plate provided by the present invention, first signal wire and described
Binary signal line refers to that stretchable display base plate is laid each on the first draw direction X and the second draw direction Y
Kind signal wire, such as: longitudinal data line and lateral scan line, first signal can be set in stretchable display base plate
Line can be data line, and the second signal line can be scan line, alternatively, first signal wire can be scan line, institute
Stating second signal line can be data line.In addition, first signal wire and the second signal line can also be not limited to count
According to line or scan line, touch-control sensing signal wire of horizontal and vertical setting etc. can also be respectively included.
The specific embodiment of the explanation stretchable display base plate provided by the present invention of following exemplary.
As shown in Figure 1, in a kind of embodiment provided by the present invention, in first signal wire, first cabling
310 with 320 same layer of the second cabling and same material is arranged；In the second signal line, the third cabling 330 and described the
The setting of four cablings, 340 different layers, and be electrically connected by the via hole on insulating layer.
Using the above scheme, the first cabling 310 in first signal wire and 320 same layer of the second cabling and same material is set
It sets, in this way, can be used with a patterning processes and form the first cabling 310 and the second cabling 320 of the first signal wire, for example,
By taking first signal wire is data line as an example, the first cabling 310 and 320 same layer of the second cabling of first signal wire and same
Material setting, then, data line can be according to existing stretchable display base plate in stretchable display base plate provided in an embodiment of the present invention
Middle data line manufacture craft is directly made by a patterning processes and is formed on the underlay substrate；Similarly, with described
One signal wire is for scan line, the first cabling 310 and 320 same layer of the second cabling and same material of first signal wire is set
It sets, then, scan line can be according to scanning in existing stretchable display base plate in stretchable display base plate provided in an embodiment of the present invention
Line manufacture craft is directly made by a patterning processes and is formed on the underlay substrate；
Above scheme, in order to enable laid on the second cabling 320 and the second bridge 220 laid on the first bridge 210
4th cabling, 340 material is identical, and the first cabling 310 of the first signal wire can keep material consistent with the second cabling 320, and only will
Second signal line carries out wire jumper design, it is, by the 4th cabling 340 being laid in second signal line on the second bridge 220 with
The third cabling 330 being laid on island 100 to be formed using unlike material to make, and considers manufacture craft in practical application, the
Three cablings 330 and the setting of 340 different layers of the 4th cabling can be electrically connected by the way that via hole is arranged on insulating layer between the two to realize
It connects.
Of course, it should be understood that in practical applications, the third cabling 330 and the 4th cabling 340 can also be with
It is same layer setting, alternatively, first cabling 310 and second cabling 320 are also possible to different layers setting, as long as guaranteeing most
The second cabling 320 and the 4th cabling 340 are made using same material eventually.
In addition, in a kind of embodiment provided by the present invention, illustratively, the 4th cabling 340 and described first
Cabling 310,320 same layer of the second cabling and same material are arranged；In the second signal line, the third cabling 330 and institute
It is different to state 340 material of the 4th cabling.
Using the above scheme, the 4th cabling 340 will keep material with second cabling 320, first cabling 310
Matter is consistent, the 4th cabling 340 can be arranged with second cabling 320 and 310 same layer of the first cabling, in this way,
It can use with a patterning processes, same layer forms first cabling 310, second cabling 320 and the 4th cabling
340, manufacture craft can be simplified；And in the second signal line, the third cabling 330 can still use its original material, with
4th cabling, 340 material is different.
In a kind of embodiment provided by the present invention, illustratively, first signal wire is data line, described second
Signal wire is scan line, and first cabling 310, second cabling 320 and the 4th cabling 340 are all made of the first metal
It is made, the third cabling 330 is made of the second metal, and the resistivity of first metal is less than the bimetallic electricity
Resistance rate.
Using the above scheme, in general, data line and metal material used by scan line are different in display base plate, data
In general the resistivity of first metal used by line is less than bimetallic resistivity used by scan line, such as: number
Source, the drain metal (SD metal) of production thin film transistor (TFT) can be used according to line, the grid of production thin film transistor (TFT) can be used in scan line
Pole metal (e.g., molybdenum)；In the above scheme, first signal wire is data line, and the second signal line is scan line,
First cabling 310, second cabling 320 in first signal wire and the in the second signal line the described 4th
Cabling 340 can use the first metal and be made, and the third cabling 330 in the second signal line still uses second
Metal is made, in this way, since the resistivity of the first metal is much lower compared with bimetallic resistivity, it to a certain extent can be big
The big resistance for reducing scan line unwrapping wire；
Certainly, in another embodiment of the invention, it is also possible that first signal wire is scan line, described the
Binary signal line is data line, and the third cabling 330 is made of the first metal, first cabling 310, second cabling
320 and the 4th cabling 340 be all made of the second metal and be made, it is bimetallic that the resistivity of first metal is less than described the
Resistivity.
In this way, in the above scheme, first signal wire is scan line, and the second signal line is data line, described
First cabling 310, second cabling 320 in first signal wire and the 4th cabling in the second signal line
340, which can use the second metal, is made, and the third cabling 330 in the second signal line still uses the first metal
It is made.
In addition, in a kind of embodiment provided by the present invention, as shown in Figure 1, first bridge 210 is in the first stretching side
Arc-shaped on X, second bridge 220 is arc-shaped on the second draw direction Y, correspondingly, is laid on first bridge 210
The second cabling 320 be also arc, the 4th cabling 340 laid on second bridge 220 is also arc.
Using the above scheme, first bridge 210 and second bridge 220 are arc-shaped, compared to first bridge 210
It is that can increase the extensibility of product to a certain extent for the design of linear with second bridge 220.
In addition, on the other hand the embodiment of the present invention provides a kind of stretchable displayer, including the embodiment of the present invention provides
Stretchable display base plate.The stretchable displayer can be the various displays such as plate, mobile phone.
In addition, on the other hand the embodiment of the present invention provides a kind of manufacturing method of stretchable display base plate, for manufacturing
Stretchable display base plate provided by the embodiment of the present invention, which comprises
Step S1, a underlay substrate is provided, the underlay substrate includes in array distribution and multiple islands separated from one another
100 and multiple connecting bridges for connecting each island 100 in multiple islands 100, the multiple connecting bridge be included in the first stretching side
First bridge 210 on the island 100 is connected on X and second bridge 220 on the island 100 is connected on the second draw direction Y；
Step S2, multiple display units are formed on the underlay substrate, are electrically connected respectively on the first draw direction X
First signal wire of the display unit and the second letter that each display unit is electrically connected on the second draw direction Y
Number line, wherein each island 100 corresponds to a display unit, first signal wire includes being laid on the island 100
The first cabling 310 and the second cabling 320 for being laid on first bridge 210, the second signal line include being laid in institute
The 4th cabling 340 stating the third cabling 330 on island 100 and being laid on second bridge 220, second cabling 320 with
4th cabling 340 is made using same material.
In above scheme, pass through laid stretchable display base plate on the first bridge 210 on different stretch direction
The 4th cabling 340 laid on second cabling 320 and the second bridge 220 is made using same material, so that different stretch
The connecting bridge upward wiring material in direction is consistent, so that the connecting bridge uniform force on different stretch direction, improves and produce
The tensility energy of product, promotes the extensibility of product.
In addition, in the method, it is preferred that in above-mentioned steps S2, form described first using with a patterning processes
Cabling 310 and second cabling 320.
In addition, in the method, it is preferred that in above-mentioned steps S2, forming described the using with patterning processes
While one cabling 310 and the second cabling 320, the 4th cabling 340 is formed.
Using the above scheme, the 4th cabling 340 will keep material with second cabling 320, first cabling 310
Matter is consistent, the 4th cabling 340 can be arranged with second cabling 320 and 310 same layer of the first cabling, in this way,
It can use with a patterning processes, same layer forms first cabling 310, second cabling 320 and the 4th cabling
340, manufacture craft can be simplified.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
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| CN201811026804.3A CN109064900B (en) | 2018-09-04 | 2018-09-04 | A stretchable display substrate and its manufacturing method, stretchable display |
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| CN201811026804.3A CN109064900B (en) | 2018-09-04 | 2018-09-04 | A stretchable display substrate and its manufacturing method, stretchable display |
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| CN109064900A true CN109064900A (en) | 2018-12-21 |
| CN109064900B CN109064900B (en) | 2021-05-11 |
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