CN210639396U - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN210639396U CN210639396U CN201920993493.1U CN201920993493U CN210639396U CN 210639396 U CN210639396 U CN 210639396U CN 201920993493 U CN201920993493 U CN 201920993493U CN 210639396 U CN210639396 U CN 210639396U
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Abstract
The utility model relates to a display panel, including first base plate, second base plate and clamp liquid crystal layer between first base plate and second base plate, the surface at one of them edge of first base plate is provided with binds the district, should bind the district and contain first region, second region and third region, and the second region sets up in the middle of first region and third region. The first region, the second region and the third region respectively comprise a plurality of pins which are arranged side by side and are isolated from each other, the length and the width of the plurality of pins in the second region are equal, and the length and the width of the plurality of pins in the first region and the third region are arranged in a ladder shape from the middle to the edge in sequence. The utility model also provides a display device of this display panel. The utility model provides a pair of display panel and display device, with the same setting of the length and the width of the pin middle zone in the district of binding of display panel, border region's length and width ladder set up to satisfy the high density distribution demand of narrow frame ization.
Description
Technical Field
The utility model relates to a show technical field, and especially relate to a display panel and display device.
Background
With the rapid development of technology, display panels have been widely used in people's lives. In recent years, narrow bezel designs have become increasingly popular in the marketplace. How to realize narrow frame, designers realize the narrow frame of the display device by reducing the edge area of the display panel, the width of the printed circuit board or the width of the flexible circuit board besides reducing the frame of the backlight module.
At present, the display panel and the printed circuit board are connected by a flexible circuit board or a flip chip film. Fig. 1 is a schematic structural diagram of a display panel and a printed circuit board connected by a chip on film in the prior art, as shown in fig. 1, the display panel 1 and the printed circuit board 2 are connected by a chip on film 3, and a driving chip 32' is disposed on the chip on film 3. The bonding region 11' at the edge of the display panel 1 is provided with a plurality of pins connected with one side of the chip on film 3. Fig. 2 is a schematic structural diagram of a display panel and a printed circuit board connected by a flexible circuit board in the prior art, as shown in fig. 2, the display panel 1 and the printed circuit board 2 are connected by the flexible circuit board 4, a driving chip 5 is disposed on the display panel 1, and a plurality of pins are disposed on a bonding region 11' at an edge of the display panel 1 and connected to one side of the flexible circuit board 4. At present, most of display panels and printed circuit boards are connected through flexible circuit boards, and flip chip films are gradually faded out of view.
Fig. 3 is a schematic structural diagram of an edge of a first substrate of a display panel in the prior art, and as shown in fig. 3, a bonding region 20 ' is disposed on an edge of the first substrate 10 ' of the display panel, and a plurality of pins are disposed on the bonding region 20 ', and the length and the width of each pin are equal.
Along with the further promotion of display panel high definition, intelligent demand, display panel's functional requirement further improves, and the position of being connected with flexible circuit board will certainly need to increase many lead wires and corresponding pin to realize like this, and how to make display panel satisfy the demand of current narrow frame and seem especially important.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a pair of display panel and display device, length and width through the second region's of the district that binds with display panel a plurality of pins set up the same, and the length of the first region of the district of binding and a plurality of pins of third region is from the centre to the edge ladder and is progressively decreased the setting, and the width of the first region of the district of binding and a plurality of pins of third region is from the centre to the edge ladder and is progressively increased the setting, realizes the high density wiring of display panel in limited area from the beginning, satisfies narrow frame ization demand.
An embodiment of the utility model provides a pair of display panel, include: the liquid crystal display panel comprises a first substrate, a second substrate and a liquid crystal layer clamped between the first substrate and the second substrate, wherein a binding region is arranged on the surface of one edge of the first substrate, the binding region comprises a first region, a second region and a third region, the second region is arranged between the first region and the third region, the first region comprises a plurality of pins which are arranged side by side and are mutually isolated, the second region comprises a plurality of pins which are arranged side by side and are mutually isolated, and the third region comprises a plurality of pins which are arranged side by side and are mutually isolated;
the length and the width of the plurality of pins in the second area are equal, the length of the plurality of pins in the first area and the third area is in a step shape from the middle to the edge in sequence, and the width of the plurality of pins in the first area and the third area is in a step shape from the middle to the edge in sequence.
According to the utility model discloses an aspect provides a display panel, the length of a plurality of pins of first region is in proper order from the centre to the edge and is steadilyd decrease the setting gradually, just the length of a plurality of pins of third region is in proper order from the centre to the edge and is steadilyd decrease the setting gradually.
According to the utility model discloses an aspect provides a display panel, the width of a plurality of pins of first region is in proper order from the centre to the edge gradually increase progressively the setting, a plurality of pin widths of third region pin are in proper order from the centre to the edge gradually increase progressively the setting.
According to an aspect of the present invention, there is provided a display panel, wherein the number of the plurality of pins of the first region is the same as the number of the plurality of pins of the third region.
According to the utility model discloses an aspect provides a display panel, the quantity of the regional a plurality of pins of second is greater than the quantity of the regional a plurality of pins of first region.
According to the utility model discloses an aspect provides a display panel, the interval between the adjacent two of a plurality of pins of second region equals.
According to the utility model discloses an aspect provides a display panel, the interval between the adjacent two of a plurality of pins of first region with the interval between the adjacent two of a plurality of pins of third region equals.
According to an aspect of the present invention, there is provided a display panel, wherein the pins include at least one of: the power supply pin, the grounding pin and the signal pin are arranged adjacently.
According to the utility model discloses an aspect provides a display panel, the surface at one of them edge of first base plate still is provided with the circuit, is located bind each pin in the district all with the circuit links to each other one by one.
According to an aspect of the present invention, a display device is provided, including the above display panel.
To sum up, the utility model provides a pair of display panel and display device, length and width through the regional a plurality of pins of second with display panel's the district of binding set up the same, and the length of the regional first region of binding and the regional a plurality of pins of third is from the centre to the marginal ladder and is steadilyd decrease the setting, and the width of the regional first region of binding and the regional a plurality of pins of third is from the centre to the marginal ladder and is increased progressively the setting, never realizes the high density distribution of display panel in finite area, satisfies narrow frame ization demand.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
FIG. 1 is a schematic structural diagram of a display panel and a printed circuit board connected by a flip-chip film in the prior art;
FIG. 2 is a schematic diagram of a prior art display panel and a printed circuit board connected via a flexible circuit board;
FIG. 3 is a schematic diagram of a structure of an edge of a first substrate of a display panel in the prior art;
fig. 4 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
fig. 5 is a partially enlarged structural diagram of the display panel in fig. 4.
Description of reference numerals:
1. 100, a display panel; 2, a printed circuit board; 3, coating a chip on film; 32', 5, a driving chip; 4, a flexible circuit board; 10', 10, a first substrate;
11', 20, a binding region; 21, a first region; 22, a second region; 23, a third region; 210. 220, 230, pins.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Fig. 4 is a schematic structural diagram of a display panel provided by an embodiment of the present invention, fig. 5 is a schematic structural diagram of a local enlargement of the display panel in fig. 4, as shown in fig. 4 and fig. 5, an embodiment of the present invention provides a display panel 100 including a first substrate 10, a second substrate and a liquid crystal layer sandwiched between the first substrate 10 and the second substrate, the second substrate is disposed above the first substrate 10, after the first substrate 10 and the second substrate are assembled, wherein three edges are aligned up and down, the size of the first substrate at another edge is larger than that of the second substrate, and a binding region 20 is disposed in a region where the first substrate 10 at this edge is larger than that of the second substrate.
The binding region 20 includes a first region 21, a second region 22, and a third region 23, the second region 22 is disposed in the middle of the first region 21 and the third region 23, that is, the first region 21 and the third region 23 are disposed at both ends of the first region 22, and the first region 21, the second region 22, and the third region 23 are disposed side by side.
The first region 21 includes a plurality of pins 210 arranged side by side and isolated from each other, the second region 22 includes a plurality of pins 220 arranged side by side and isolated from each other, and the third region 23 includes a plurality of pins 230 arranged side by side and isolated from each other. The plurality of leads 210 of the first region 21, the plurality of leads 220 of the second region 22, and the plurality of leads 230 of the third region 23 are arranged side by side.
The leads 220 of the second region 22 have the same length and width, the leads 210 of the first region 21 are sequentially arranged in a step shape from the middle to the edge, and the leads 230 of the third region 23 are sequentially arranged in a step shape from the middle to the edge. Specifically, the lengths of the leads 210 of the first region 21 are sequentially decreased in a stepwise manner from the middle toward the edge, and the lengths of the leads 230 of the third region 23 are sequentially decreased in a stepwise manner from the middle toward the edge.
The leads 210 of the first region 21 are sequentially arranged in a step shape from the center toward the edge, and the leads 230 of the third region 23 are sequentially arranged in a step shape from the center toward the edge. Specifically, the widths of the plurality of leads 210 in the first region 21 are sequentially and incrementally increased from the middle to the edge in a step shape, and the widths of the plurality of leads 230 in the third region 23 are sequentially and incrementally increased from the middle to the edge in a step shape. The design has the advantages that when the length of the pins at the edge is reduced, the peripheral leads can be further arranged towards the edge, and the width of the display panel in the length direction of the pins is reduced under the condition of the same number of leads.
Fig. 2 is a schematic structural diagram of a connection between a display panel and a printed circuit board through a flexible circuit board in the prior art, as shown in fig. 2, an edge of the flexible circuit board needs to be connected with a binding region of the display panel, at present, an Anisotropic Conductive Film (ACF) is coated on the display panel first, and after a pin portion of the edge of the flexible circuit board is aligned with a position corresponding to the binding region of the display panel accurately, under a condition of high temperature and constant pressure, Conductive particles in the Anisotropic Conductive Film are conducted with pins of the edge of the flexible circuit board and the binding region of the display panel, so as to achieve an electrical connection between the flexible circuit board and the display panel. In a specific production process, in order to better bond the pins of the bonding region of the display panel and the anisotropic conductive film, the requirement of CPK (performance index) needs to be satisfied. Specifically, the pins in the first region and the pins in the third region need to be replenished in width when the length is reduced, so that the area of the pins can meet the minimum requirement of the CPK, each pin can be fully bonded with the anisotropic conductive adhesive film, and poor display of the display panel caused by abnormal floating never occurs.
Specifically, the number of the plurality of leads 210 of the first region 21 is the same as that of the plurality of leads 230 of the third region 23, and the number of the plurality of leads 220 of the second region 22 is greater than that of the plurality of leads 210 of the first region 21.
The adjacent two of the plurality of leads 210 in the first region 21 have the same pitch, the adjacent two of the plurality of leads 220 in the second region 22 have the same pitch, and the adjacent two of the plurality of leads 230 in the third region 23 have the same pitch. Preferably, the spacing between two adjacent ones of the plurality of leads 210 of the first region 21 is equal to the spacing between two adjacent ones of the plurality of leads 230 of the third region 23. The distance between two adjacent pins can be specifically set according to the characteristics of a product, and the distance is set to be the minimum distance which can ensure that the pins are not short-circuited.
The plurality of pins 210 of the first region 21, the plurality of pins 220 of the second region 22, and the plurality of pins 230 of the third region 23 may be specifically set as: one of the power supply pin, the grounding pin and the signal pin which are arranged adjacently. Specifically, the ground pins may be disposed at both ends of the bonding region 20, and the power pin and the signal pin may be disposed in a middle region of the bonding region 20.
The surface of one edge of the first substrate 10 of the display panel 100 is further provided with a circuit, and each pin located in the bonding region 20 is connected to the circuit one by one.
The utility model discloses still contain a display device, contain this display panel, flexible circuit board and printed circuit board, this display panel and printed circuit board carry out electric connection through flexible circuit board.
In this embodiment, the utility model provides a pair of display panel and display device, length and width through the regional a plurality of pins of second with display panel's the district of binding set up the same, and the length of the regional first region of binding and the regional a plurality of pins of third is from the centre to the marginal ladder and is progressively decreased the setting, and the width of the regional first region of binding and the regional a plurality of pins of third is from the centre to the marginal ladder and is progressively increased the setting, realizes the high density wiring of display panel in limited area from the beginning, satisfies narrow frame ization demand.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.
Claims (10)
1. A display panel, comprising: the liquid crystal display panel comprises a first substrate, a second substrate and a liquid crystal layer clamped between the first substrate and the second substrate, and is characterized in that a binding region is arranged on the surface of one edge of the first substrate, the binding region comprises a first region, a second region and a third region, the second region is arranged between the first region and the third region, the first region comprises a plurality of pins which are arranged side by side and are mutually isolated, the second region comprises a plurality of pins which are arranged side by side and are mutually isolated, and the third region comprises a plurality of pins which are arranged side by side and are mutually isolated;
the length and the width of the plurality of pins in the second area are equal, the length of the plurality of pins in the first area and the third area is in a step shape from the middle to the edge in sequence, and the width of the plurality of pins in the first area and the third area is in a step shape from the middle to the edge in sequence.
2. The display panel according to claim 1, wherein lengths of the plurality of leads of the first region are sequentially and gradually decreased from the middle to the edge, and lengths of the plurality of leads of the third region are sequentially and gradually decreased from the middle to the edge.
3. The display panel according to claim 2, wherein the widths of the plurality of pins in the first region are gradually increased from the middle to the edge, and the widths of the plurality of pins in the third region are gradually increased from the middle to the edge.
4. The display panel according to claim 1, wherein the plurality of pins of the first region and the plurality of pins of the third region are the same in number.
5. The display panel according to claim 4, wherein the number of the plurality of pins of the second region is greater than the number of the plurality of pins of the first region.
6. The display panel according to claim 1, wherein a pitch between two adjacent ones of the plurality of pins of the second region is equal.
7. The display panel according to claim 6, wherein a pitch between two adjacent ones of the plurality of pins of the first region is equal to a pitch between two adjacent ones of the plurality of pins of the third region.
8. The display panel of any one of claims 1-7, wherein the pins comprise at least one of: the power supply pin, the grounding pin and the signal pin are arranged adjacently.
9. The display panel according to any one of claims 1 to 7, wherein a surface of one edge of the first substrate is further provided with a circuit, and each pin located in the bonding region is connected to the circuit one by one.
10. A display device comprising the display panel according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920993493.1U CN210639396U (en) | 2019-06-28 | 2019-06-28 | Display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920993493.1U CN210639396U (en) | 2019-06-28 | 2019-06-28 | Display panel and display device |
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| CN210639396U true CN210639396U (en) | 2020-05-29 |
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| CN201920993493.1U Active CN210639396U (en) | 2019-06-28 | 2019-06-28 | Display panel and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112133201A (en) * | 2020-09-30 | 2020-12-25 | 厦门天马微电子有限公司 | Array substrate and display panel display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112133201A (en) * | 2020-09-30 | 2020-12-25 | 厦门天马微电子有限公司 | Array substrate and display panel display device |
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