CN205376002U - Display device - Google Patents
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- CN205376002U CN205376002U CN201620114068.7U CN201620114068U CN205376002U CN 205376002 U CN205376002 U CN 205376002U CN 201620114068 U CN201620114068 U CN 201620114068U CN 205376002 U CN205376002 U CN 205376002U
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Abstract
The utility model discloses a display device, including flexible display panel and bind and bind the brilliant film of covering of district in flexible display panel, it has two row at least a plurality of mutually independent output pad that arrange along the first direction to cover brilliant film, each output pad's virtual extension line intersect in with first direction vertically datum line on same junction, flexible display panel has two row at least input pads along a plurality of of first direction range and output pad one -to -one, the virtual extension line that each input was filled up intersects the same junction on the datum line. Like this, when flexible display panel 's size when changing along the first direction because that respective virtual extension line is filled up in the output pad of each one -to -one and input is the same with the contained angle of datum line, consequently can and covers brilliant film through regulation flexible display panel and bind again behind the relative position on perpendicular first direction to realize output pad and input the correct counterpoint of filling up, thereby yield and reliability are bound in the promotion.
Description
Technical field
This utility model relates to Display Technique field, particularly relates to a kind of display device.
Background technology
Flexible display technologies is the study hotspot in Display Technique field in recent years, because of its have thinner, more anti-vibration, lighter advantage, civil area and military field will be widely used in.Flexible Displays may be defined as the substrate making display floater by very thin flexible substrate, and it can bend to radius of curvature and only have several centimetres or the less display function without damaging display floater.
Flexible display apparatus is general when making first to be fixed flexible base board on the glass substrate, flexible display panels processing technology after carrying out again, such technique is mutually compatible with existing display floater Preparation equipment, flexible base board is separated after completing by flexible display panels again with glass substrate, attaching notacoria afterwards again at the back side of flexible base board makes flexible base board planarize, finally carry out the techniques such as chip on film (COF, ChipOnFilm) binding again.
Flexible display panels after separating with glass substrate is general very thin, is easy to make flexible display panels be subject to the effect of power and small change in size occur in the process attaching notacoria.And when follow-up COF binds, comparatively dense is compared owing to COF exporting pad (pad), change in size is more sensitive, the problems such as when therefore the change in size of flexible display panels can cause binding, the pad on pad and the COF in flexible display panels misplaces, circuit is obstructed, thus affecting yield.
Utility model content
In view of this, this utility model embodiment provides a kind of display device, is susceptible to pad dislocation and the problem such as circuit is obstructed during in order to solve existing flexible display panels binding COF.
Therefore, this utility model embodiment provides a kind of display device, including: flexible display panels, and it is bound to the chip on film on the binding district of described flexible display panels；Wherein,
Described chip on film has the multiple separate output pad that at least two rows arrange along a first direction；The virtual extended line of each described output pad intersects at the same joint on the datum line vertical with described first direction；In the described output pad of same row, the virtual extended line of the output pad more remote with described datum line distance is more big with the angle of described datum line；
Described flexible display panels has the multiple and described output pad input pad one to one that at least two rows arrange along a first direction；The virtual extended line of each described input pad intersects at the same joint on described datum line；In the described input pad of same row, the virtual extended line of the input pad more remote with described datum line distance is more big with the angle of described datum line；
Each described output pad and described input pad one to one are electrically connected by crimping mode, and respective virtual extended line is identical with the angle of described datum line.
In a kind of possible implementation, in the above-mentioned display device that this utility model embodiment provides, respectively the described input pad length in virtual extended line direction pads the length in virtual extended line direction less than described output one to one.
In a kind of possible implementation, in the above-mentioned display device that this utility model embodiment provides, each described output pad being positioned at same row is consistent in the length along described datum line direction；The each described input pad being positioned at same row is consistent in the length along described datum line direction.
The spacing between the described input pad being smaller than adjacent two rows in a kind of possible implementation, in the above-mentioned display device that this utility model embodiment provides, between the described output pad of adjacent two rows.
In a kind of possible implementation, in the above-mentioned display device that this utility model embodiment provides, respectively described input pad width in a first direction pads width in a first direction more than described output one to one.
In a kind of possible implementation, in the above-mentioned display device that this utility model embodiment provides, each described output pad being positioned at same row is identical at the width of described first direction；The described output pad of each row width in a first direction, exports the increase of pad and the distance of joint along with each row is described and becomes big.
In a kind of possible implementation, in the above-mentioned display device that this utility model embodiment provides, it is positioned at each described input pad of same row width in a first direction, becomes big along with described output pad and the increase of described datum line distance in a first direction.
In a kind of possible implementation, in the above-mentioned display device that this utility model embodiment provides, spacing in a first direction between each described output pad of same row, becomes big along with described output pad and the increase of described datum line distance in a first direction.
In a kind of possible implementation, in the above-mentioned display device that this utility model embodiment provides, identical in the spacing of described first direction between each described input pad of same row；Each spacing arranged in described input pad between each described input pad in a first direction, becomes big along with the described input pad of each row and the increase of the distance of joint.
In a kind of possible implementation, in the above-mentioned display device that this utility model embodiment provides, each described input pad and each described output pad are symmetric relative to described datum line.
In a kind of possible implementation, in the above-mentioned display device that this utility model embodiment provides, the virtual extended line of each described output pad laying respectively at two rows is alternately distributed；The virtual extended line of each described input pad laying respectively at two rows is alternately distributed.
A kind of display device that this utility model embodiment provides, including the chip on film of flexible display panels and the binding district being bound to flexible display panels, wherein, chip on film has the multiple separate output pad that at least two rows arrange along a first direction；The virtual extended line of each output pad intersects at the same joint on the datum line vertical with first direction；Flexible display panels has the multiple and output pad input pad one to one that at least two rows arrange along a first direction；The virtual extended line of each input pad intersects at the same joint on datum line.So, when the size of flexible display panels is when changing in the first direction, owing to each pad virtual extended line respective with input pad of output one to one is identical with the angle of datum line, therefore can pass through to regulate flexible display panels to bind again after relative position on vertical first direction with chip on film when flexible display panels being bound with chip on film, as long as thus ensureing that first direction change in size is when certain scope, all can realize the output pad of chip on film and the correct para-position of the input pad of flexible display panels, thus promoting binding yield and the reliability of display device.
Accompanying drawing explanation
The structural representation of the display device that Fig. 1 provides for this utility model embodiment；
The structural representation of the chip on film in the display device that Fig. 2 provides for this utility model embodiment；
The structural representation of the flexible display panels in the display device that Fig. 3 provides for this utility model embodiment；
The side-looking structural representation of the chip on film in the display device that Fig. 4 provides for this utility model embodiment；
The schematic flow sheet of the binding method of the display device that Fig. 5 provides for this utility model embodiment；
The demonstration graph of the binding method of the display device that Fig. 6 provides for this utility model embodiment.
Detailed description of the invention
In order to make the purpose of this utility model, the detailed description of the invention of the display device that this utility model embodiment provides clearly, below in conjunction with accompanying drawing, is described in detail by technical scheme and advantage.
In accompanying drawing, the shape of each parts and size do not reflect the actual proportions of display device, and purpose is schematically illustrate this utility model content.
A kind of display device that this utility model embodiment provides, as it is shown in figure 1, include: flexible display panels 10, and is bound to the chip on film 20 on the binding district of flexible display panels 10；Wherein,
As in figure 2 it is shown, chip on film 20 has the multiple separate output pad 21 that at least two rows arrange along a first direction；The virtual extended line 22 of each output pad 21 intersects at the same joint P1 on the datum line 30 vertical with first direction；In same row's output pad 21, more big with the angle of datum line 30 apart from the virtual extended line 22 of more remote output pad 21 with datum line 30；Arrange two rows for chip on film 20 in fig. 2 to export pad and 21 illustrate；
As it is shown on figure 3, flexible display panels 10 has multiple and output pad 21 input pad 11 one to one that at least two rows arrange along a first direction；The virtual extended line 12 of each input pad 11 intersects at the same joint P2 on datum line 30；In same row's input pad 11, more big with the angle of datum line 30 apart from the virtual extended line 12 of more remote input pad 11 with datum line 30；Arrange two row's input pads 11 for flexible display panels 10 in figure 3 to illustrate；
As shown in Figure 1, each pad of output one to one 21 and input pad 11 are electrically connected by crimping mode, and respective virtual extended line 12 is identical with the angle of datum line 30 with 22, namely the virtual extended line 22 of output pad 21 overlaps with the virtual extended line 12 of input pad 11 one to one.
It should be noted that, the virtual extended line mentioned in the above-mentioned display device that this utility model embodiment provides is the extended line at corresponding input pad and the untrue existence (virtual) of the bearing of trend of output pad, and all using horizontal direction as first direction in Fig. 1 to Fig. 3, after chip on film 20 and flexible display panels 10 are bound, joint P1 and P2 overlaps.
The above-mentioned display device that this utility model embodiment provides, when the size of flexible display panels 10 is when changing in the first direction, owing to each pad of output one to one 21 and input pad 11 have certain angle of inclination both with respect to datum line 30, and respective virtual extended line 12, 22 is identical with the angle of datum line 30, therefore can pass through to regulate flexible display panels 10 to bind again after relative position on vertical first direction with chip on film 20 when flexible display panels 10 being bound with chip on film 20, as long as thus ensureing that first direction change in size is when certain scope, all can realize the output pad 21 of chip on film 20 and the correct para-position of the input pad 11 of flexible display panels 10, thus promoting binding yield and the reliability of display device.
In the specific implementation, more it is susceptible to change in size deforms owing to flexible display panels 10 edge region when the effect being subject to power intersects at central area, therefore, when flexible display panels 10 and chip on film 20 are correspondingly arranged input pad 11 and output pad 21, can be centrally located about axle according to datum line 30 and input pad 11 and output pad 21 are set, in order to be bigger relative to the angle of inclination of datum line 30 at the input pad 11 and output pad 21 that are relatively distant from cental axial position.It is preferred that in the above-mentioned display device that this utility model embodiment provides, as shown in Figure 1 to Figure 3, each input pad 11 and each output pad 21 are symmetric relative to datum line 30.
Further, in the above-mentioned display device that this utility model embodiment provides, the a fairly large number of demand of signalling channel in order to meet high-resolution products, each output pad 21 is generally separately positioned on two rows by chip on film 20, and as in figure 2 it is shown, the virtual extended line 22 laying respectively at each output pad 21 of two rows is alternately distributed.Now, as shown in Figure 4, chip on film 20 can adopt the corresponding output pad 21 of arranging two of double-level-metal lead-in wire to be connected to chip 23.Specifically, as shown in Figure 4, chip 23 is set in the side of the base material 24 of chip on film 20；Be provided with first layer metal lead-in wire 25 in the side of base material 24, one end of this first layer metal lead-in wire 25 is directly connected with chip 23, and the other end passes through to run through the via A of base material 24 and is connected to a row (right side) and exports pad 21；Opposite side at base material 24 is provided with second layer metal lead-in wire 26, and one end of this second layer metal lead-in wire 26 is directly connected with another row (left side) output pad 21, and the other end is connected to chip 23 by running through the via B of base material 24.
When in chip on film 20, each output pad 21 being separately positioned on two rows, and as shown in Figure 2, lay respectively at the virtual extended line 22 of each output pad 21 of two rows when being alternately distributed, accordingly, flexible display panels 10 is also required to input pad 11 is separately positioned on two rows, and as it is shown on figure 3, the virtual extended line 12 laying respectively at each input pad 11 of two rows is also required to be alternately distributed.
Further, in order to regulate flexible display panels 10 and chip on film 20 when being perpendicular to the relative position in horizontal direction, input pad 11 and output pad 21 have identical overlapping area all the time, ensure the homogeneity of binding effect, in the above-mentioned display device that this utility model embodiment provides, as it is shown in figure 1, each input pad 11 length a1 in virtual extended line 12 direction one to one is less than the output pad 21 length a2 in virtual extended line 22 direction.
Further, for the ease of controlling input pad 11 and the compression joint area of output pad 21, provide in above-mentioned display device in this utility model embodiment, as in figure 2 it is shown, each output pad 21 being positioned at same row is consistent at the length h1 along datum line 30 direction；As it is shown on figure 3, each input pad 11 being positioned at same row is consistent at the length h2 along datum line 30 direction.
Correspondingly, on this basis, providing in above-mentioned display device in this utility model embodiment, the spacing H1 between the output pad 21 of adjacent two rows is less than the spacing H2 between the input pad 11 of adjacent two rows.
Further, during in order to make flexible display panels 10 that the slight change in size to occur in the horizontal direction, correct para-position can also be ensured between input pad 11 and output pad 21, thus ensureing the reliability of binding, in the above-mentioned display device that this utility model embodiment provides, as it is shown in figure 1, each input pad 11 width d1 in a first direction one to one is more than output pad 21 width d2 in a first direction.
Further, on this basis, when designing each output pad 21 of chip on film 20, as shown in Figure 2, it is ensured that each output pad 21 width d1 in a first direction being positioned at same row are identical；Each row exports pad 21 width d1 in a first direction, becomes big along with the increase of each row's output pad 21 and the distance of joint P1, and namely in fig. 2, output pad 21 width in a first direction of upper row are less than output pad 22 width in a first direction of lower row.
Accordingly, when designing each input pad 11 of flexible display panels 10, as shown in Figure 3, it is positioned at each input pad 11 of same row width d2 in a first direction, become big along with the increase of output pad 11 and datum line 30 distance in a first direction, i.e. each input pad 11 of upper row in Fig. 3, width d2 in a first direction is minimum for middle input pad 11, more big the closer to the input pad 11 width d2 in a first direction at edge, each input pad 11 of lower row is in like manner, and in each input pad of lower row minimum widith in a first direction more than Breadth Maximum in a first direction in each input pad of upper row, namely centrally located in lower row input pad width ratio in a first direction is arranged the input pad at most edge width in a first direction.
Further, when designing each output pad 21 of chip on film 20, as shown in Figure 2, it is also possible to ensure spacing l1 in a first direction between the respectively output pad 21 of same row, become big along with the increase of output pad 21 and datum line 30 distance in a first direction.
Accordingly, when designing each input pad 11 of flexible display panels 10, as it is shown on figure 3, spacing l2 in a first direction is identical between each input pad 11 of same row；And spacing l2 in a first direction between each input pad 11 in each row's input pad 11, become big along with each row's input pad 11 and the increase of the distance of joint P2.Such as, in Fig. 3 spacing being smaller than between most two, edge input pad 11 between three, the centre input pad 11 of upper row.
Conceiving based on same utility model, this utility model embodiment additionally provides the binding method of a kind of above-mentioned display device, as it is shown in figure 5, may comprise steps of:
S501, flexible display panels and chip on film are positioned at collinear mode according to the alignment mark on first direction carry out para-position；
Whether S502, the first distance determined between two alignment marks of first direction in flexible display panels be equal with second distance between two register guides of first direction in chip on film；If then performing step S503, then perform step S504 if not；
Crimping each output one to one pad and input pad after S503, alignment alignment mark；
S504, according to the deviation between the first distance and second distance, adjust the relative position between flexible display panels and chip on film；
S505, crimping each output one to one pad and input pad.
Specifically, in the above-mentioned binding method that this utility model embodiment provides, as shown in Figure 6, above-mentioned steps S504 specifically includes according to the relative position between deviation adjustment flexible display panels and the chip on film between the first distance and second distance:
According to the deviation between the first distance and the center of second distance, adjust the displacement between flexible display panels and described chip on film in a first direction；Determine according to following formula and adjust the displacement h between flexible display panels and chip on film in datum line direction；
Wherein, l represents the deviation between the first distance and second distance, and a represents the angle between virtual extended line and the datum line of the output pad being provided with alignment mark.Wherein only for the row's input pad 11 being provided with alignment mark and what output pad 21 illustrated in Fig. 6.
The above-mentioned display device that this utility model embodiment provides, including the chip on film of flexible display panels and the binding district being bound to flexible display panels, wherein, chip on film has the multiple separate output pad that at least two rows arrange along a first direction；The virtual extended line of each output pad intersects at the same joint on the datum line vertical with first direction；Flexible display panels has the multiple and output pad input pad one to one that at least two rows arrange along a first direction；The virtual extended line of each input pad intersects at the same joint on datum line.So, when the size of flexible display panels is when changing in the first direction, owing to each pad virtual extended line respective with input pad of output one to one is identical with the angle of datum line, therefore can pass through to regulate flexible display panels to bind again after relative position on vertical first direction with chip on film when flexible display panels being bound with chip on film, as long as thus ensureing that first direction change in size is when certain scope, all can realize the output pad of chip on film and the correct para-position of the input pad of flexible display panels, thus promoting binding yield and the reliability of display device.
Obviously, this utility model can be carried out various change and modification without deviating from spirit and scope of the present utility model by those skilled in the art.So, if these amendments of the present utility model and modification belong within the scope of this utility model claim and equivalent technologies thereof, then this utility model is also intended to comprise these change and modification.
Claims (11)
1. a display device, it is characterised in that including: flexible display panels, and it is bound to the chip on film on the binding district of described flexible display panels；Wherein,
Described chip on film has the multiple separate output pad that at least two rows arrange along a first direction；The virtual extended line of each described output pad intersects at the same joint on the datum line vertical with described first direction；In the described output pad of same row, the virtual extended line of the output pad more remote with described datum line distance is more big with the angle of described datum line；
Described flexible display panels has the multiple and described output pad input pad one to one that at least two rows arrange along a first direction；The virtual extended line of each described input pad intersects at the same joint on described datum line；In the described input pad of same row, the virtual extended line of the input pad more remote with described datum line distance is more big with the angle of described datum line；
Each described output pad and described input pad one to one are electrically connected by crimping mode, and respective virtual extended line is identical with the angle of described datum line.
2. display device as claimed in claim 1, it is characterised in that each described input pad length in virtual extended line direction one to one pads the length in virtual extended line direction less than described output.
3. display device as claimed in claim 2, it is characterised in that each described output pad being positioned at same row is consistent in the length along described datum line direction；The each described input pad being positioned at same row is consistent in the length along described datum line direction.
4. display device as claimed in claim 3, it is characterised in that the spacing between the described input pad being smaller than adjacent two rows between the described output pad of adjacent two rows.
5. display device as claimed in claim 1, it is characterised in that each described input pad width in a first direction one to one pads width in a first direction more than described output.
6. display device as claimed in claim 1, it is characterised in that each described output pad being positioned at same row is identical at the width of described first direction；The described output pad of each row width in a first direction, exports the increase of pad and the distance of joint along with each row is described and becomes big.
7. display device as claimed in claim 1, it is characterised in that be positioned at each described input pad of same row width in a first direction, becomes big along with described output pad and the increase of described datum line distance in a first direction.
8. display device as claimed in claim 1, it is characterised in that spacing in a first direction between each described output pad of same row, becomes big along with described output pad and the increase of described datum line distance in a first direction.
9. display device as claimed in claim 1, it is characterised in that identical in the spacing of described first direction between each described input pad of same row；Each spacing arranged in described input pad between each described input pad in a first direction, becomes big along with the described input pad of each row and the increase of the distance of joint.
10. the display device as described in any one of claim 1-9, it is characterised in that each described input pad and each described output pad are symmetric relative to described datum line.
11. display device as claimed in claim 10, it is characterised in that the virtual extended line of each described output pad laying respectively at two rows is alternately distributed；The virtual extended line of each described input pad laying respectively at two rows is alternately distributed.
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| CN201620114068.7U CN205376002U (en) | 2016-02-04 | 2016-02-04 | Display device |
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| CN201620114068.7U CN205376002U (en) | 2016-02-04 | 2016-02-04 | Display device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609007A (en) * | 2016-02-04 | 2016-05-25 | 京东方科技集团股份有限公司 | Display device and binding method thereof |
| CN108022515A (en) * | 2016-10-31 | 2018-05-11 | 昆山国显光电有限公司 | Drive circuit carrier, display panel and flat-panel monitor |
| US11013116B2 (en) | 2018-05-31 | 2021-05-18 | Boe Technology Group Co., Ltd. | Flexible assembly for display device and display device |
| WO2021093373A1 (en) * | 2019-11-11 | 2021-05-20 | 昆山国显光电有限公司 | Flexible structure, display panel and display apparatus |
| WO2023184396A1 (en) * | 2022-03-31 | 2023-10-05 | 京东方科技集团股份有限公司 | Display panel and manufacturing method therefor, driving assembly, and display apparatus |
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2016
- 2016-02-04 CN CN201620114068.7U patent/CN205376002U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105609007A (en) * | 2016-02-04 | 2016-05-25 | 京东方科技集团股份有限公司 | Display device and binding method thereof |
| US9960132B1 (en) | 2016-02-04 | 2018-05-01 | Boe Technology Group Co., Ltd. | Display apparatus and method for binding the same |
| CN105609007B (en) * | 2016-02-04 | 2019-01-04 | 京东方科技集团股份有限公司 | A kind of display device and its binding method |
| CN108022518A (en) * | 2016-10-31 | 2018-05-11 | 昆山国显光电有限公司 | Drive circuit carrier, display panel and flat-panel monitor |
| CN108022516A (en) * | 2016-10-31 | 2018-05-11 | 昆山国显光电有限公司 | Drive circuit carrier, display panel and flat-panel monitor |
| CN108022519A (en) * | 2016-10-31 | 2018-05-11 | 昆山国显光电有限公司 | Drive circuit carrier, display panel and flat-panel monitor |
| CN108022515A (en) * | 2016-10-31 | 2018-05-11 | 昆山国显光电有限公司 | Drive circuit carrier, display panel and flat-panel monitor |
| CN108022515B (en) * | 2016-10-31 | 2020-04-10 | 昆山国显光电有限公司 | Drive circuit carrier, display panel and flat panel display |
| CN115359716A (en) * | 2016-10-31 | 2022-11-18 | 昆山国显光电有限公司 | Drive circuit carrier, display panel and flat panel display |
| CN115359716B (en) * | 2016-10-31 | 2024-01-26 | 昆山国显光电有限公司 | Driving circuit carrier, display panel and flat panel display |
| US11013116B2 (en) | 2018-05-31 | 2021-05-18 | Boe Technology Group Co., Ltd. | Flexible assembly for display device and display device |
| WO2021093373A1 (en) * | 2019-11-11 | 2021-05-20 | 昆山国显光电有限公司 | Flexible structure, display panel and display apparatus |
| WO2023184396A1 (en) * | 2022-03-31 | 2023-10-05 | 京东方科技集团股份有限公司 | Display panel and manufacturing method therefor, driving assembly, and display apparatus |
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