CN114373390B - Display panel and driving chip - Google Patents
Display panel and driving chip Download PDFInfo
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- CN114373390B CN114373390B CN202210009234.7A CN202210009234A CN114373390B CN 114373390 B CN114373390 B CN 114373390B CN 202210009234 A CN202210009234 A CN 202210009234A CN 114373390 B CN114373390 B CN 114373390B
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- terminal
- binding
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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
Abstract
The embodiment of the application discloses a display panel and a driving chip, wherein the display panel comprises a driving chip binding area, the driving chip binding area comprises a first binding terminal and a first compensation terminal, a first gap exists between the first binding terminals of adjacent rows, and the first compensation terminal is arranged in alignment with the first gap; the first compensation terminal plays an auxiliary supporting role on the first gap, so that the display panel is prevented from being broken, bright lines and other anomalies at the first gap when the display panel is bent.
Description
Technical Field
The application relates to the technical field of flexible display, in particular to a display panel and a driving chip.
Background
At present, a flexible binding technology is generally adopted for connecting a driving chip of a flexible product and a display panel in the industry, a high-temperature and high-pressure environment is needed in a flexible screen driving chip binding process, the edge of a driving chip binding area is stressed greatly during binding, and a gap between two rows of binding terminals at the edge is extremely easy to break, so that abnormity such as bright lines and the like are generated.
Therefore, the existing display panel has the technical problem that bright lines are easy to generate at gaps.
Disclosure of Invention
The embodiment of the application provides a display panel and a driving chip, which can relieve the technical problem that the gap of the existing display panel is easy to generate bright lines.
The embodiment of the application provides a display panel, including driving chip binding area, driving chip binding area includes first middle region, is located the first marginal area of its both sides limit side, driving chip binding area includes:
the first binding terminal group is arranged in the first middle area, the first binding terminal group comprises at least one row of first binding terminals arranged along a first direction, the first binding terminal group comprises at least two rows of first binding terminals arranged along the first direction, and a first gap exists between every two adjacent rows of first binding terminals;
the first compensation terminal group is arranged in the first edge area and comprises at least one first compensation terminal;
the first compensation terminal is aligned with at least one first gap.
Optionally, in some embodiments of the present application, the size of the first compensation terminal is smaller than or equal to the size of the first binding terminal, and the first compensation terminal and the first binding terminal are alternately and staggered.
Optionally, in some embodiments of the present application, the dimensions of adjacent first binding terminals are the same, and the dimensions of the first compensation terminals are larger than the dimensions of the first binding terminals.
Optionally, in some embodiments of the present application, the length of the first compensation terminal is greater than the length of the first binding terminal, and the number of the first compensation terminals in the same column is less than the number of the first binding terminals in the same column.
Optionally, in some embodiments of the present application, the first compensation terminal is shaped differently from the first binding terminal, and a cross-sectional area of the first compensation terminal along the first gap is larger than a cross-sectional area of the first binding terminal.
Optionally, in some embodiments of the present application, the first compensation terminal group includes at least one regularly shaped first compensation terminal and at least one irregularly shaped first compensation terminal.
Optionally, in some embodiments of the present application, the first edge area further includes a blank area away from the first middle area, and at least one profiled first compensation terminal is disposed in the blank area.
Optionally, in some embodiments of the present application, the first compensation terminals of the first edge regions on both sides are symmetrically disposed with respect to the first middle region.
Optionally, in some embodiments of the present application, the number of the first compensation terminals in the same row ranges from 2 to 4.
The embodiment of the application provides a driving chip, including a second middle area, a second edge area located at two short sides of the second middle area, including:
a chip main body;
the second binding terminal group is arranged in the second middle area on the chip main body, comprises at least one row of second binding terminals arranged along a second direction, comprises at least two rows of second binding terminals arranged along the second direction, and has a second gap between every two adjacent rows of second binding terminals;
the second compensation terminal group is arranged on the second edge area of the chip main body and comprises at least one second compensation terminal;
and the second compensation terminal is arranged in alignment with at least one second gap between the second binding terminal group and the second compensation terminal group.
The beneficial effects are that: through setting up first compensation terminal at display panel's first marginal region, make first compensation terminal and first clearance counterpoint setting, play right the effect of first clearance auxiliary stay, each terminal on the drive chip sets up with display panel's each terminal one-to-one simultaneously, has alleviateed current display panel and has had the easy technical problem who produces bright line in clearance department.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a first schematic top view of a driving chip bonding area of a display panel provided in the present application;
FIG. 2 is a schematic top view of a second type of driving chip bonding area of the display panel provided in the present application;
FIG. 3 is a third schematic top view of a driving chip bonding area of a display panel according to the present disclosure;
FIG. 4 is a first schematic top view of the driver chip provided herein;
FIG. 5 is a second top view schematic of the driver chip provided herein;
fig. 6 is a third schematic top view of the driving chip provided in the present application.
Reference numerals illustrate:
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and explanation only and is not intended to limit the present application. In this application, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used to generally refer to the upper and lower positions of the device in actual use or operation, and specifically the orientation of the drawing figures; while "inner" and "outer" are for the outline of the device.
In the existing display panel, a driving chip is connected with the display panel in a binding mode, gaps exist between two adjacent rows of binding terminals at the edge of a binding area of the driving chip, when the display panel is bent, stress received by the edge position is large, stress is uneven at the gap due to the fact that the binding terminals are not arranged, and the gap is easy to break, so that abnormity such as bright lines and the like are generated.
The display panel is a flexible display panel, and a driving chip of the flexible display panel is connected with the display panel in a side binding or back binding mode.
Therefore, there is a need for a display panel that can alleviate the technical problem that bright lines are easily generated at the edge of the driving chip bonding area of the display panel.
Referring to fig. 1 to 3, the display panel provided in this application includes a driving chip binding area 1, the driving chip binding area 1 includes a first middle area 10, and a first edge area 20 located at two short sides of the driving chip binding area 1, the driving chip binding area 1 includes a first binding terminal group and a first compensation terminal group, the first binding terminal group is disposed in the first middle area 10, the first binding terminal group includes at least one column of first binding terminals 101 arranged along a first direction, the first binding terminal group includes at least two rows of first binding terminals 101 arranged along the first direction, a first gap 102 exists between two adjacent rows of first binding terminals 101, the first compensation terminal group is disposed in the first edge area 20, and the first compensation terminal group includes at least one first compensation terminal 201, where the first compensation terminal 201 and at least one first gap 102 are aligned.
The first compensation terminal 201 plays an auxiliary supporting role on the first gap 102, reduces stress distributed at the gap, and improves stress uniformity of each region.
According to the display panel, the first compensation terminal 201 is arranged in the first edge area 20 of the display panel, so that the first compensation terminal 201 and the first gap 102 are aligned, the effect of supporting the first gap 102 in an auxiliary mode is achieved, and meanwhile, all terminals on the driving chip 2 are arranged in one-to-one correspondence with all terminals of the display panel, so that the technical problem that bright lines are easy to generate at gaps of the existing display panel is solved.
Referring to fig. 1 to 6, the technical solution of the present application will now be described with reference to specific embodiments.
The display panel provided by the application comprises a first binding terminal group and a first compensation terminal group in a driving chip binding area 1, wherein the first compensation terminal group is used for supporting a first gap 102 between two rows of the first binding terminal group in an auxiliary mode.
In some embodiments, the first compensation terminal 201 is different from the first binding terminal 101 by at least one of a dimension, a size, a shape, a number, a length, and a width.
Referring to fig. 1, in one embodiment, the size of the first compensation terminal 201 is equal to the size of the first binding terminal 101, and the first compensation terminal 201 and the first binding terminal 101 are alternately and offset.
The number of rows of the first binding terminals 101 is greater than the number of the first gaps 102, and the number of rows of the first binding terminals 101 is greater than the number of rows of the first compensation terminals 201.
It will be appreciated that, when the first bonding terminals 101 are in n rows, the first gaps 102 are in n-1 rows, the first compensation terminals 201 are in n-1 rows, and one row of the first compensation terminals 201 is arranged in one-to-one correspondence with one of the first gaps 102.
In the present embodiment, by setting the first compensation terminal 201 and the first bonding terminal 101 to the same size, a technical effect of simplifying the process can be achieved.
In one embodiment, the size of the first compensation terminal 201 is smaller than the size of the first binding terminal 101, and the first compensation terminal 201 and the first binding terminal 101 are alternately and staggered.
Wherein the length of the first compensation terminal 201 is greater than the length of the first gap 102.
It will be appreciated that, when the first bonding terminals 101 are in n rows, the first gaps 102 are in n-1 rows, the first compensation terminals 201 are in n-1 rows, and one row of the first compensation terminals 201 is arranged in one-to-one correspondence with one of the first gaps 102.
In this embodiment, the size of the first compensation terminal 201 is smaller than that of the first binding terminal 101, and the length of the first compensation terminal 201 is longer than that of the first gap 102, so that the material of the first compensation terminal 201 is saved, and the cost is reduced.
Referring to fig. 2, in one embodiment, the dimensions of adjacent first bonding terminals 101 are the same, and the dimensions of the first compensation terminals 201 are larger than the dimensions of the first bonding terminals 101.
Referring to fig. 2, in one embodiment, the length of the first compensation terminal 201 is greater than the length of the first bonding terminal 101, and the number of the first compensation terminals 201 in the same column is less than the number of the first bonding terminals 101 in the same column.
The lengths of the adjacent first gaps 102 are equal, and the length of the first gap 102 is the distance between the two ends of the first gap adjacent to the first binding terminal 101.
Wherein, the length of the first compensation terminal 201 is greater than the sum of the length of the first binding terminal 101 and the length of the first gaps 102 at both ends thereof.
It will be appreciated that when the first bonding terminal 101 is n rows, the number of the first gaps 102 is n-1, and the first compensation terminal 201 is (n-1)/2 rows.
It should be noted that a second gap 302 exists between adjacent first compensation terminals 201, the second gap 302 is greater than 0, and the second gap 302 is aligned with the first bonding terminal 101.
In this embodiment, by arranging one row of the first compensation terminals 201 corresponding to two first gaps 102, the number of rows of the first compensation terminals 201 is reduced, the process is simplified, and the cost is reduced.
Referring to fig. 3, in one embodiment, the first compensation terminal 201 is different from the first bonding terminal 101 in shape, and a cross-sectional area of the first compensation terminal 201 along the first gap 102 is larger than a cross-sectional area of the first bonding terminal 101.
Wherein, the first binding terminal 101 may have a shape with a cross-sectional area equal everywhere, for example: the cross section may be any of a parallelogram, a rectangle, etc.
The first compensation terminal 201 may have a shape with a different cross-sectional area, for example: the cross section may be any of trapezoid, triangle, diamond, etc.
It can be appreciated that the cross-sectional area of the first compensation terminal 201 along the direction of the first gap 102 is larger than the cross-sectional area of the first binding terminal 101, so as to provide a larger auxiliary supporting force, and further alleviate the technical problem that the crack is easily caused by uneven stress at the first gap 102.
Further, when the cross-sectional area of the first compensation terminal 201 along the direction of the first gap 102 is larger than the cross-sectional area of other parallel cross-sections of the first compensation terminal 201, the first compensation terminal 201 has the best effect on the auxiliary support of the first gap 102.
In this embodiment, by providing the first compensation terminals 201 with different cross-sectional areas, the position of the larger cross-sectional area of the first compensation terminal 201 is aligned with the first gap 102, so as to provide a larger auxiliary supporting force and improve the supporting effect.
Referring to fig. 3, in one embodiment, the first compensation terminal set includes at least one first compensation terminal 201 with a regular shape and at least one first compensation terminal 201 with a special shape.
Wherein the number of the first compensating terminals 201 of a regular shape is greater than the number of the first compensating terminals 201 of a special shape.
Referring to fig. 3, in one embodiment, the first edge area 20 further includes a blank area 60 away from the first middle area 10, and at least one profiled first compensation terminal 201 is disposed in the blank area 60.
The first binding terminals 101 and the first compensating terminals 201 with regular shapes are all inclined and parallel to each other.
It will be appreciated that, for example, when the first binding terminal 101 and the first compensating terminal 201 of the regular shape are both parallelograms, the parallelograms form blank areas 60 at the first edge areas 20 at both ends, and the blank areas 60 are also prone to anomalies due to uneven stress.
It should be noted that the blank area 60 is generally shaped, and in the blank area 60, the first compensation terminal 201 shaped to match the shaped blank area 60 can provide a better supporting effect.
In this embodiment, the first compensation terminal 201 of the auxiliary support is disposed in the blank area 60 of the first edge area 20, and the first compensation terminal 201 is matched with the shape of the blank area 60 to provide a larger support area, so as to improve the effect of uneven stress when the blank area 60 is bent.
In one embodiment, the blank area is formed by the first bonding terminals being disposed obliquely.
In another embodiment, the blank area is formed by the first compensation terminal of a regular shape arranged obliquely.
In one embodiment, the first compensation terminals 201 of the first edge region 20 are symmetrically disposed with respect to the first middle region 10.
Wherein, two first edge regions 20 are located at two sides of the first middle region 10, and the first edge regions 20.
In one embodiment, the number of the first compensation terminals 201 of the same row ranges from 2 to 4.
In this embodiment, since the space of the edge area at two sides of the first binding terminal group is generally smaller, by limiting the number of the first compensating terminals 201 in the same row, the first compensating terminal group can be more reasonably arranged in the edge area, so that the problem that the first compensating terminal 201 is easy to break due to smaller space and more columns of the first compensating terminals 201 are arranged, and the failure of the effect of auxiliary support of the first compensating terminal 201 is avoided.
Referring to fig. 4 to 6, the driving chip 2 provided in this embodiment of the present application includes a second middle area 30, and second edge areas 40 located at two short sides of the second middle area, the driving chip 2 includes a chip main body 50, a second binding terminal set, and a second compensation terminal set, where the second binding terminal set is disposed on the second middle area 30 on the chip main body 50, the second binding terminal set includes at least one column of second binding terminals 301 arranged along a second direction, the second binding terminal set includes at least two rows of second binding terminals 301 arranged along the second direction, a second gap 302 is between two adjacent rows of second binding terminals 301, the second compensation terminal set is disposed on the second edge areas 40 on the chip main body 50, and the second compensation terminal set includes at least one second compensation terminal 401, where, between adjacent second binding terminal sets and the second compensation terminal set, the second compensation terminal 401 and the at least one second compensation terminal set are disposed in alignment.
When the display panel is in binding connection with the driving chip 2, the first middle area 10 corresponds to the second middle area 30, the first edge area 20 corresponds to the second edge area 40, the first binding terminal group corresponds to the second binding terminal group, and the first compensation terminal group corresponds to the second compensation terminal group.
In some embodiments, the second binding terminals 301 on the driving chip 2 are disposed in one-to-one correspondence with the first binding terminals 101, and the second compensating terminals 401 are disposed in one-to-one correspondence with the first compensating terminals 201, which are not described herein, and reference may be made to the above-mentioned arrangement of the first compensating terminals 201 and the first binding terminals 101.
Referring to fig. 4, in an embodiment, the size of the second compensation terminal 401 is smaller than or equal to the size of the second binding terminal 301, and the second compensation terminal 401 and the second binding terminal 301 are alternately and staggered.
In one embodiment, the dimensions of adjacent second binding terminals 301 are the same, and the dimensions of the second compensation terminals 401 are larger than the dimensions of the second binding terminals 301.
Referring to fig. 5, in one embodiment, the length of the second compensation terminal 401 is greater than the length of the second bonding terminal 301, and the number of the second compensation terminals 401 in the same column is less than the number of the second bonding terminals 301 in the same column.
In one embodiment, the second compensation terminal 401 is different from the second binding terminal 301 in shape, and the second compensation terminal 401 has a larger cross-sectional area along the second gap 302 than the second binding terminal 301.
In one embodiment, the second compensation terminal group includes at least one regular-shaped second compensation terminal 401 and at least one irregular-shaped second compensation terminal 401.
Referring to fig. 6, in one embodiment, the second edge area 40 further includes a free area 70 away from the second middle area 30, and at least one shaped second compensation terminal 401 is disposed in the free area 70.
Wherein the empty area 70 corresponds to the empty area 60 of the display panel.
In one embodiment, the second compensation terminals 401 of the second edge regions 40 are symmetrically disposed with respect to the second middle region 30.
In one embodiment, the number of the second compensation terminals 401 of the same row ranges from 2 to 4.
The application also provides a display module and a display device, wherein the display module comprises the display panel of any embodiment, and the display device also comprises the display panel of any embodiment, which is not repeated here.
The display panel provided by the embodiment of the application comprises a driving chip binding area, wherein the driving chip binding area comprises a first middle area and first edge areas positioned on two short sides of the driving chip binding area, the driving chip binding area comprises a first binding terminal group and a first compensation terminal group, the first binding terminal group is arranged in the first middle area and comprises at least one row of first binding terminals arranged along a first direction, the first binding terminal group comprises at least two rows of first binding terminals arranged along the first direction, a first gap exists between every two adjacent rows of first binding terminals, the first compensation terminal group is arranged in the first edge areas and comprises at least one first compensation terminal, and the first compensation terminal group and at least one first gap are arranged in a counterpoint mode; through setting up first compensation terminal at display panel's first marginal region, make first compensation terminal and first clearance counterpoint setting, play right the effect of first clearance auxiliary stay, each terminal on the drive chip sets up with display panel's each terminal one-to-one simultaneously, has alleviateed current display panel and has had the easy technical problem who produces bright line in clearance department.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
The foregoing has described in detail a display panel and a driving chip provided in embodiments of the present application, and specific examples have been applied herein to illustrate the principles and embodiments of the present application, where the foregoing examples are provided to assist in understanding the methods and core ideas of the present application; meanwhile, those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, and the present description should not be construed as limiting the present application in view of the above.
Claims (10)
1. The utility model provides a display panel, its characterized in that includes driving chip binding area, driving chip binding area includes first intermediate region, is located the first marginal area of its both sides side, driving chip binding area includes:
the first binding terminal group is arranged in the first middle area, the first binding terminal group comprises at least one row of first binding terminals arranged along a first direction, the first binding terminal group comprises at least two rows of first binding terminals arranged along the first direction, and a first gap exists between every two adjacent rows of first binding terminals;
the first compensation terminal group is arranged in the first edge area and comprises at least one first compensation terminal;
the first compensation terminal is aligned with at least one first gap.
2. The display panel of claim 1, wherein the first compensation terminal has a size smaller than or equal to a size of the first bonding terminal, and the first compensation terminal is alternately and offset from the first bonding terminal.
3. The display panel of claim 1, wherein adjacent first bonding terminals are the same size, and the first compensation terminal is larger than the first bonding terminal.
4. The display panel of claim 3, wherein the first compensation terminal has a length greater than that of the first bonding terminal, and the number of the first compensation terminals in the same column is smaller than that of the first bonding terminals in the same column.
5. The display panel of claim 3, wherein the first compensation terminal is shaped differently from the first bonding terminal, and a cross-sectional area of the first compensation terminal along the first gap is larger than a cross-sectional area of the first bonding terminal.
6. The display panel of claim 1, wherein the first compensation terminal group includes at least one regular-shaped first compensation terminal, at least one irregular-shaped first compensation terminal.
7. The display panel of claim 6, wherein the first edge region further comprises a void region remote from the first intermediate region, the void region having at least one profiled first compensation terminal disposed therein.
8. The display panel of claim 1, wherein the first compensation terminals of the first edge regions on both sides are symmetrically disposed with respect to the first middle region.
9. The display panel of claim 1, wherein the number of the first compensation terminals of the same row ranges from 2 to 4.
10. A driving chip including a second intermediate region, a second edge region located on both short sides thereof, comprising:
a chip main body;
the second binding terminal group is arranged in the second middle area on the chip main body, comprises at least one row of second binding terminals arranged along a second direction, comprises at least two rows of second binding terminals arranged along the second direction, and has a second gap between every two adjacent rows of second binding terminals;
the second compensation terminal group is arranged on the second edge area of the chip main body and comprises at least one second compensation terminal;
and the second compensation terminal is arranged in alignment with at least one second gap between the second binding terminal group and the second compensation terminal group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210009234.7A CN114373390B (en) | 2022-01-06 | 2022-01-06 | Display panel and driving chip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210009234.7A CN114373390B (en) | 2022-01-06 | 2022-01-06 | Display panel and driving chip |
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| CN114373390A CN114373390A (en) | 2022-04-19 |
| CN114373390B true CN114373390B (en) | 2023-06-02 |
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| CN202210009234.7A Active CN114373390B (en) | 2022-01-06 | 2022-01-06 | Display panel and driving chip |
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| CN114973953B (en) * | 2022-05-25 | 2024-01-26 | 武汉华星光电半导体显示技术有限公司 | Display module and mobile terminal |
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