CN220554271U - Display panel and display device - Google Patents

Abstract

The utility model provides a display panel and a display device, wherein the display panel comprises a display panel body, the display panel body comprises a binding area, the display panel body comprises a driving chip set and a binding terminal set, the driving chip set comprises a plurality of driving chips which are sequentially arranged along a second direction, the binding terminal set comprises a plurality of binding terminal parts which are sequentially arranged along the second direction, the binding terminal parts are correspondingly arranged with the driving chips, each binding terminal part comprises a plurality of binding terminal rows which are sequentially arranged along the first direction, and each binding terminal row comprises a plurality of binding terminals which are sequentially arranged along the second direction. In the display panel provided by the utility model, the driving channels in each driving chip can be led out through the binding terminals in different binding terminal rows, so that the space of the binding terminal part in the second direction is saved, and the problem of increased difficulty in the arrangement of the binding terminals caused by insufficient width of the binding region of the display panel is solved.

Description

Display panel and display device

Technical Field

The utility model relates to the technical field of display, in particular to a display panel and a display device.

Background

Compared with liquid crystal display, an Organic Light-Emitting Diode (OLED) display panel has the advantages of being lighter and thinner, good in display effect, high in resolution, wide in color gamut, lower in power consumption, capable of realizing flexible display and the like, and rapidly develops in recent years, so that the OLED display panel has become a preferred display panel type of a mobile terminal.

However, as the performance requirements of consumers on the refresh rate, screen resolution and the like of the OLED display panel are higher and higher, the hardware design of the OLED display panel is also more and more complex, under the condition that the sizes of the mobile phones, the flat panel and the like in the existing market are unchanged, the connection signals between the display panel and the panel driving board are more and more, the number of channels of the driving chip is more and more, and accordingly, a corresponding number of terminals (or called bonding pads) are required to be arranged to meet the connection requirement, but the existing space is difficult to arrange a plurality of terminals, so that the problem needs to be solved.

Disclosure of Invention

The utility model provides a display panel and a preparation method thereof, which can effectively solve the problems that the existing OLED display panel has insufficient space and is difficult to arrange a plurality of terminals.

In one aspect, the utility model provides a display panel, the display panel comprises 1, the display panel comprises a display panel body, the display panel body comprises a binding area, the display panel body comprises a driving chip set and a binding terminal set, the driving chip set is arranged on one side of the driving chip set, which faces a first direction, the driving chip set comprises a plurality of driving chips which are sequentially arranged along a second direction, the binding terminal set comprises a plurality of binding terminal parts which are sequentially arranged along the second direction, the binding terminal parts are correspondingly arranged with the driving chips, and the first direction intersects the second direction; each binding terminal part comprises a plurality of binding terminal rows which are sequentially arranged in the first direction, and each binding terminal row comprises a plurality of binding terminals which are sequentially arranged in the second direction.

Optionally, the display panel further includes: the printed circuit board is electrically connected with the display panel body, the printed circuit board comprises a plurality of driving terminal parts which are sequentially arranged along the second direction, and the driving terminal parts are correspondingly arranged with the binding terminal parts, wherein each driving terminal part comprises a plurality of driving terminal rows which are sequentially arranged along the first direction, and each driving terminal row comprises a plurality of driving terminals which are sequentially arranged along the second direction.

Optionally, the display panel further includes a plurality of flexible circuit boards sequentially arranged along the second direction, each of the binding terminal portions is electrically connected to one of the driving terminal portions through one of the flexible circuit boards, wherein the flexible circuit boards include a plurality of wires sequentially arranged along the second direction, and each of the binding terminals is electrically connected to one of the driving terminals through one of the wires.

Optionally, the trace is parallel to the first direction.

Optionally, in each of the binding terminal portions, the binding terminal in any one of the binding terminal rows is not overlapped with the binding terminals in other binding terminal rows adjacent to the binding terminal row in the first direction; in each of the drive terminal portions, the drive terminal in any one of the drive terminal rows and the drive terminal in the other drive terminal row adjacent to the drive terminal row do not overlap in the first direction.

Optionally, each binding terminal portion includes at least three binding terminal rows sequentially arranged in the first direction, and in each binding terminal portion, the binding terminals in any one binding terminal row and the binding terminals in other binding terminal rows do not overlap in the first direction; each of the driving terminal parts includes at least three driving terminal rows sequentially arranged in the first direction, and in each of the driving terminal parts, the driving terminal in any one of the driving terminal rows and the driving terminal in the other driving terminal rows do not overlap in the first direction.

Optionally, in each of the binding terminal portions, the binding terminal in any one of the binding terminal rows is partially overlapped with the binding terminal in the other binding terminal rows adjacent to the binding terminal row in the first direction; in each of the drive terminal portions, the drive terminal in any one of the drive terminal rows partially overlaps the drive terminal in the other drive terminal row adjacent to the drive terminal row in the first direction.

Optionally, a plurality of the driving terminals in the driving terminal portion are disposed in mirror symmetry with a plurality of the binding terminals in the binding terminal portion.

Optionally, the layout design of the binding terminals in at least one of the binding terminal portions is different from the layout design of the binding terminals in another of the binding terminal portions.

In another aspect, the present utility model provides a display device including: the display panel comprises a shell and any one of the above display panels, wherein the shell is provided with a containing space, and the display panel is arranged in the containing space.

The utility model provides a display panel and a display device, wherein the display panel comprises a display panel body, the display panel body comprises a binding area, the display panel body comprises a driving chip set and a binding terminal set, the driving chip set is arranged on one side of the driving chip set facing a first direction, the driving chip set comprises a plurality of driving chips sequentially arranged along a second direction, the binding terminal set comprises a plurality of binding terminal parts sequentially arranged along the second direction, the binding terminal parts are correspondingly arranged with the driving chips, and the first direction is intersected with the second direction; each binding terminal part comprises a plurality of binding terminal rows which are sequentially arranged in the first direction, and each binding terminal row comprises a plurality of binding terminals which are sequentially arranged in the second direction. In the display panel provided by the utility model, the driving channels in each driving chip can be led out through the binding terminals in different binding terminal rows, so that the space of the binding terminal part in the second direction can be saved, the width of the binding region of the display panel in the second direction is reduced, and the problem of increased difficulty in arranging the binding terminals caused by insufficient width of the binding region of the display panel is solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, 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 schematic plan view of a display panel body according to an embodiment of the utility model.

Fig. 2 is a schematic plan view of a printed circuit board according to an embodiment of the utility model.

Fig. 3 is a schematic plan view of a display panel according to an embodiment of the utility model.

Fig. 4 is a schematic plan view of an electrical connection between a binding terminal and a driving terminal through a wiring according to an embodiment of the present utility model.

Fig. 5 is a schematic plan view of an electrical connection between a binding terminal and a driving terminal through a wiring according to a second embodiment of the present utility model.

Reference numerals illustrate:

a display panel body 10; a display area 101; binding area 102; a drive chipset 11; a driving chip 111; binding the terminal group 12; binding terminal portion 121; binding the terminal rows 122; binding terminals 123; a printed circuit board 20; a drive terminal portion 21; a drive terminal row 211; a drive terminal 212; a flexible circuit board 30; a wiring 31; a first direction X; a second direction Y;

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and description only, and is not intended to limit the utility model. In the present utility model, 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.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials. The following detailed description is given, respectively, to the description of the following embodiments, but the description of the embodiments is not to be taken as limiting the preferred embodiments.

Example 1

Fig. 1 is a schematic plan view of a display panel body according to an embodiment of the utility model; fig. 2 is a schematic plan view of a printed circuit board according to a first embodiment of the present utility model; fig. 3 is a schematic plan view of a display panel according to a first embodiment of the utility model; fig. 4 is a schematic plan view of an electrical connection between a binding terminal and a driving terminal through a wiring according to an embodiment of the present utility model. Referring to fig. 1 to 4, an embodiment of the present utility model provides a display panel, where the display panel includes a display panel body 10, the display panel body 10 includes a display area 101 and a binding area 102, the display area 101 is provided with a light emitting unit for performing a display function, the light emitting unit may be an OLED light emitting unit, and the binding area 102 is disposed on a side of the display area 101 facing the first direction X. The display panel body 10 includes a driving chipset 11 and a binding terminal group 12 disposed in the binding area 102, the binding terminal group 12 is disposed on a side of the driving chipset 11 facing a first direction X, the driving chipset 11 includes a plurality of driving chips 111 sequentially arranged along a second direction Y, the binding terminal group 12 includes a plurality of binding terminal portions 121 sequentially arranged along the second direction Y, the binding terminal portions 121 are disposed corresponding to the driving chips 111, and the first direction X intersects the second direction Y; wherein each of the binding terminal parts 121 includes a plurality of binding terminal rows 122 sequentially arranged in the first direction X, each of the binding terminal rows 122 includes a plurality of binding terminals 123 sequentially arranged in the second direction Y, and each of the binding terminal rows 122 includes a plurality of binding terminals 123 sequentially arranged in the second direction Y.

In the display panel provided by the utility model, the binding terminal portions 121 are arranged corresponding to the driving chips 111, and the binding terminal portions 121 are used for guiding out the driving channels in the driving chips 111, and since each binding terminal portion 121 comprises a plurality of binding terminal rows 122 sequentially arranged in the first direction X, and each binding terminal row 122 comprises a plurality of binding terminals 123 sequentially arranged in the second direction Y, the driving channels in each driving chip 111 can be guided out through the binding terminals 123 located in different binding terminal rows 122, thereby saving the space of the binding terminal portions 121 in the second direction Y, reducing the width of the binding region 102 of the display panel in the second direction Y, and improving the problem of increased difficulty in arranging the binding terminals 123 caused by insufficient width of the binding region 102 of the display panel.

In some embodiments of the utility model, the display panel further includes: the printed circuit board 20, the printed circuit board 20 with the display panel body 10 electric connection, the printed circuit board 20 includes a plurality of drive terminal portions 21 that arrange in proper order along the second direction Y, the drive terminal portions 21 with bind terminal portions 121 correspond to each other and set up, wherein, every drive terminal portion 21 includes a plurality of drive terminal lines 211 that arrange in proper order in first direction X, every drive terminal line 211 includes a plurality of drive terminals 212 that arrange in proper order in the second direction Y.

In the display panel provided by the utility model, the driving terminal parts 21 are arranged corresponding to the binding terminal parts 121, and each driving terminal part 21 comprises a plurality of driving terminal rows 211 which are sequentially arranged in the first direction X, and each driving terminal row 211 comprises a plurality of driving terminals 212 which are sequentially arranged in the second direction Y, so that the channel leading-out position in each driving terminal part 21 can be positioned in a different driving terminal 212 leading-out row, thereby saving the space of the driving terminal part 21 in the second direction Y, reducing the width of the printed circuit board 20 in the second direction Y, and improving the problem of increased difficulty in arranging the driving terminals 212 caused by insufficient width of the driving circuit board.

In some embodiments of the present utility model, the display panel further includes a plurality of flexible circuit boards 30 sequentially arranged along the second direction Y, and each of the bonding terminal parts 121 is electrically connected to one of the driving terminal parts 21 through one of the flexible circuit boards 30, wherein the flexible circuit boards 30 include a plurality of traces 31 sequentially arranged in the second direction Y, and each of the bonding terminals 123 is electrically connected to one of the driving terminals 212 through one of the traces 31.

In the display panel provided by the utility model, since each binding terminal portion 121 is electrically connected with one driving terminal portion 21 through one flexible circuit board 30, and each binding terminal 123 is electrically connected with one driving terminal 212 through one wiring 31, that is, the binding terminals 123 in each binding terminal portion 121 are in one-to-one correspondence with the wirings 31, the driving terminals 212 in each driving terminal portion 21 are also in one-to-one correspondence with the wirings 31, so that an electrical connection structure of one-to-one correspondence between the binding terminals 123 and the driving terminals 212 can be formed through the wirings 31.

In some embodiments of the present utility model, the trace 31 is parallel to the first direction X.

In the display panel provided by the utility model, the wires 31 are parallel to the first direction X, that is, the wires 31 are straight lines extending along the first direction X, so that the widths occupied by a plurality of wires 31 sequentially arranged in the second direction Y can be smaller, and the arrangement difficulty of the flexible circuit board 30 can be reduced.

In the display panel provided by the utility model, in each binding terminal portion 121, the binding terminal 123 in any binding terminal row 122 and the binding terminals 123 in other binding terminal rows 122 adjacent to the binding terminal row 122 do not overlap in the first direction X; in each of the driving terminal parts 21, the driving terminal 212 in any one of the driving terminal rows 211 is not overlapped with the driving terminals 212 in the other driving terminal rows 211 adjacent to the driving terminal row 211 in the first direction X.

In the display panel provided by the utility model, since the binding terminals 123 in any one binding terminal row 122 in each binding terminal portion 121 and the binding terminals 123 in other binding terminal rows 122 adjacent to the binding terminal row 122 are not overlapped in the first direction X, the distance between the wires 31 connecting the adjacent two binding terminal rows 122 can be kept at a safe distance, the design safety of the flexible circuit board 30 is improved, and the short-circuit risk is reduced.

Similarly, since the drive terminals 212 in any one of the drive terminal rows 211 and the drive terminals 212 in the other drive terminal rows 211 adjacent to the drive terminal row 211 do not overlap in the first direction X in each of the drive terminal sections 21, the pitch between the wirings 31 connecting the adjacent two of the drive terminal rows 211 can be kept at a safe distance, and the design safety of the flexible circuit board 30 can be improved, and the risk of short-circuiting can be reduced.

Further, each of the binding terminal parts 121 includes at least three binding terminal rows 122 sequentially arranged in the first direction X, and the binding terminals 123 in any one of the binding terminal rows 122 in each of the binding terminal parts 121 do not overlap with the binding terminals 123 in the other binding terminal rows 122 in the first direction X; each of the driving terminal parts 21 includes at least three driving terminal rows 211 sequentially arranged in the first direction X, and the driving terminal 212 in any one of the driving terminal rows 211 and the driving terminal 212 in the other driving terminal rows 211 do not overlap in the first direction X.

In some embodiments of the present utility model, the plurality of driving terminals 212 in the driving terminal part 21 are disposed mirror symmetrically to the plurality of bonding terminals 123 in the bonding terminal part 121.

In the display panel provided by the utility model, the plurality of driving terminals 212 in the driving terminal part 21 and the plurality of binding terminals 123 in the binding terminal part 121 are arranged in a mirror symmetry manner, so that the binding terminal part 121 and the driving terminal part 21 can be formed by using the same layout design, and the layout structure of the display panel is simplified.

In some embodiments of the present utility model, the layout of the binding terminals 123 in at least one of the binding terminal portions 121 in each of the binding terminal groups 12 is different from the layout of the binding terminals 123 in the other binding terminal portion 121.

In the display panel provided by the utility model, since the binding terminal group 12 includes the plurality of binding terminal parts 121 sequentially arranged along the second direction Y, the layout design of the binding terminals 123 in at least one binding terminal part 121 is different from the layout design of the binding terminals 123 in another binding terminal part 121, so that the binding types of the binding terminal parts 121 can be increased, and the multiplexing function can be realized.

Illustratively, one of the bonding terminal parts 121 includes a first terminal, a second terminal, a third terminal, and a fourth terminal sequentially arranged in the second direction, and the other bonding terminal part 121 includes a fourth terminal, a second terminal, a third terminal, and a first terminal sequentially arranged in the second direction, wherein the first terminal is, for example, a gate driving touch signal terminal; the second terminal is, for example, a power signal terminal; the third terminal is, for example, a display signal terminal; the fourth terminal is, for example, a touch signal terminal.

In a second aspect, an embodiment of the present utility model also provides a display device including: the display panel comprises a shell and any one of the display panels, wherein the shell is provided with an accommodating space, and the display panel is arranged in the accommodating space.

Example two

Fig. 5 is a schematic plan view of an electrical connection between a binding terminal and a driving terminal through a wiring according to a second embodiment of the present utility model. As shown in fig. 3 and 5, an embodiment of the present utility model provides a display panel, where the display panel includes a display panel body 10, the display panel body 10 includes a display area 101 and a binding area 102, the display area 101 is provided with a light emitting unit for performing a display function, the light emitting unit may be an OLED light emitting unit, and the binding area 102 is disposed on a side of the display area 101 facing the first direction X. The display panel body 10 includes a driving chipset 11 and a binding terminal group 12 disposed in the binding area 102, the binding terminal group 12 is disposed on a side of the driving chipset 11 facing a first direction X, the driving chipset 11 includes a plurality of driving chips 111 sequentially arranged along a second direction Y, the binding terminal group 12 includes a plurality of binding terminal portions 121 sequentially arranged along the second direction Y, the binding terminal portions 121 are disposed corresponding to the driving chips 111, and the first direction X intersects the second direction Y; wherein each of the binding terminal parts 121 includes a plurality of binding terminal rows 122 sequentially arranged in the first direction X, each of the binding terminal rows 122 includes a plurality of binding terminals 123 sequentially arranged in the second direction Y, and each of the binding terminal rows 122 includes a plurality of binding terminals 123 sequentially arranged in the second direction Y.

It should be noted that, the structure of the display panel provided in the second embodiment of the present utility model is similar to that of the display panel provided in the first embodiment of the present utility model, and the second embodiment of the present utility model is not repeated for the same parts.

In each of the binding terminal parts 121, the binding terminals 123 in any one of the binding terminal rows 122 partially overlap with the binding terminals 123 in the other binding terminal rows 122 adjacent to the binding terminal row 122 in the first direction X; in each of the driving terminal parts 21, the driving terminal 212 in any one of the driving terminal rows 211 is partially overlapped with the driving terminal 212 in the other driving terminal rows 211 adjacent to the driving terminal row 211 in the first direction X.

In the display panel provided by the utility model, since the binding terminals 123 in any binding terminal row 122 in each binding terminal portion 121 overlap with the binding terminals 123 in other binding terminal rows 122 adjacent to the binding terminal row 122 in the first direction X, the binding terminals 123 in adjacent binding terminal rows 122 can share a part of the space in the second direction Y, which is beneficial to the improvement of the space utilization rate; similarly, since the drive terminals 212 in any one of the drive terminal rows 211 of each of the drive terminal portions 21 overlap with the drive terminals 212 in the other drive terminal rows 211 adjacent to the drive terminal row 211 in the first direction X, the drive terminals 212 in the adjacent drive terminal rows 211 can share a part of the space in the second direction Y, which is advantageous in improving the space utilization.

In summary, the present utility model provides a display panel and a display device, where the display panel includes a display panel body, the display panel body includes a binding area, the display panel body includes a driving chipset and a binding terminal group, the driving chipset is disposed on a side of the driving chipset facing a first direction, the driving chipset includes a plurality of driving chips sequentially arranged along a second direction, the binding terminal group includes a plurality of binding terminal portions sequentially arranged along the second direction, the binding terminal portions are disposed corresponding to the driving chips, and the first direction intersects the second direction. Each binding terminal part comprises a plurality of binding terminal rows which are sequentially arranged in the first direction, and each binding terminal row comprises a plurality of binding terminals which are sequentially arranged in the second direction. In the display panel provided by the utility model, the driving channels in each driving chip can be led out through the binding terminals in different binding terminal rows, so that the space of the binding terminal part in the second direction can be saved, the width of the binding region of the display panel in the second direction is reduced, and the problem of increased difficulty in arranging the binding terminals caused by insufficient width of the binding region of the display panel is solved.

The foregoing has described in detail a display panel and a display device according to embodiments of the present utility model, and specific examples have been applied to illustrate the principles and embodiments of the present utility model, where the foregoing examples are provided to assist in understanding the method and core idea of the present utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present utility model, the present description should not be construed as limiting the present utility model.

Claims (10)

1. The display panel is characterized by comprising a display panel body, wherein the display panel body comprises a binding area, the display panel body comprises a driving chip set and a binding terminal set, the driving chip set is arranged on one side of the driving chip set towards a first direction, the driving chip set comprises a plurality of driving chips sequentially arranged along a second direction, the binding terminal set comprises a plurality of binding terminal parts sequentially arranged along the second direction, the binding terminal parts are correspondingly arranged with the driving chips, and the first direction is intersected with the second direction;

each binding terminal part comprises a plurality of binding terminal rows which are sequentially arranged in the first direction, and each binding terminal row comprises a plurality of binding terminals which are sequentially arranged in the second direction.

2. The display panel of claim 1, further comprising: the printed circuit board is electrically connected with the display panel body, the printed circuit board comprises a plurality of driving terminal parts which are sequentially arranged along the second direction, and the driving terminal parts are correspondingly arranged with the binding terminal parts, wherein each driving terminal part comprises a plurality of driving terminal rows which are sequentially arranged along the first direction, and each driving terminal row comprises a plurality of driving terminals which are sequentially arranged along the second direction.

3. The display panel according to claim 2, further comprising a plurality of flexible circuit boards arranged in sequence along the second direction, each of the bonding terminal portions being electrically connected to one of the driving terminal portions through one of the flexible circuit boards, wherein the flexible circuit boards include a plurality of traces arranged in sequence in the second direction, each of the bonding terminals being electrically connected to one of the driving terminals through one of the traces.

4. A display panel according to claim 3, wherein the trace is parallel to the first direction.

5. The display panel according to claim 4, wherein in each of the binding terminal portions, the binding terminal in any one of the binding terminal rows is not overlapped with the binding terminal in the other binding terminal row adjacent to the binding terminal row in the first direction; in each of the drive terminal portions, the drive terminal in any one of the drive terminal rows and the drive terminal in the other drive terminal row adjacent to the drive terminal row do not overlap in the first direction.

6. The display panel according to claim 5, wherein each of the binding terminal portions includes at least three binding terminal rows arranged in order in the first direction, and wherein in each of the binding terminal portions, the binding terminal in any one of the binding terminal rows is not overlapped with the binding terminals in the other binding terminal rows in the first direction; each of the driving terminal parts includes at least three driving terminal rows sequentially arranged in the first direction, and in each of the driving terminal parts, the driving terminal in any one of the driving terminal rows and the driving terminal in the other driving terminal rows do not overlap in the first direction.

7. The display panel according to claim 5, wherein in each of the binding terminal portions, the binding terminal in any one of the binding terminal rows partially overlaps with the binding terminal in the other binding terminal row adjacent to the binding terminal row in the first direction; in each of the drive terminal portions, the drive terminal in any one of the drive terminal rows partially overlaps the drive terminal in the other drive terminal row adjacent to the drive terminal row in the first direction.

8. The display panel according to claim 2, wherein a plurality of the driving terminals in the driving terminal portion are mirror-symmetrically arranged with a plurality of the bonding terminals in the bonding terminal portion.

9. The display panel of claim 1, wherein a layout design of the bonding terminals in at least one of the bonding terminal portions is different from a layout design of the bonding terminals in another one of the bonding terminal portions.

10. A display device, characterized in that the display device comprises: a housing and a display panel according to any one of claims 1-9, the housing having a receiving space, the display panel being disposed in the receiving space.