CN115346442A - Display panel and display device - Google Patents

Display panel and display device Download PDF

Info

Publication number
CN115346442A
CN115346442A CN202211047501.6A CN202211047501A CN115346442A CN 115346442 A CN115346442 A CN 115346442A CN 202211047501 A CN202211047501 A CN 202211047501A CN 115346442 A CN115346442 A CN 115346442A
Authority
CN
China
Prior art keywords
display panel
circuit
display
display area
electrically connected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211047501.6A
Other languages
Chinese (zh)
Inventor
魏启兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Tianma Microelectronics Co Ltd
Original Assignee
Wuhan Tianma Microelectronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Tianma Microelectronics Co Ltd filed Critical Wuhan Tianma Microelectronics Co Ltd
Priority to CN202211047501.6A priority Critical patent/CN115346442A/en
Publication of CN115346442A publication Critical patent/CN115346442A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The embodiment of the invention discloses a display panel and a display device, wherein the display panel comprises a display area and a non-display area, the non-display area is at least positioned on one side of the display area, and the display area comprises a plurality of data lines; the display panel also comprises a frame circuit, wherein the frame circuit comprises a circuit component and a signal wiring connected with the circuit component; at least part of the signal wiring is arranged in the display area, and the signal wiring and the data wire are arranged in an isolated way. By adopting the technical scheme provided by the embodiment of the invention, part of the signal wiring connected with the circuit assembly in the frame circuit is arranged in the display area of the display panel, so that the occupied area of the frame circuit in the non-display area can be reduced, the area of the display area is further increased, namely, the occupation ratio of the display area in the display panel is increased, and the display effect of the display panel is further improved.

Description

Display panel and display device
Technical Field
The embodiment of the invention relates to the technical field of display, in particular to a display panel and a display device.
Background
With the continuous development of display technologies, display panels are more and more widely used, for example, products such as mobile phones, computers, tablet computers, electronic books and the like, and in addition, the display panels can also be applied to instrument displays, control panels of smart homes and the like.
In recent years, with the functions of the display panel being more and more various and the display resolution being more and more large, the frame circuit of the display panel is more and more complex, the area occupied by the frame circuit is more and more large, and the screen occupation ratio of the display panel is further influenced.
Disclosure of Invention
The embodiment of the invention provides a display panel and a display device, wherein at least part of signal wiring connected with a circuit assembly in a frame circuit is arranged in a display area of the display panel, so that the area of a non-display area is reduced, the occupation ratio of the display area in the display panel is improved, and the display effect of the display panel is further improved.
In a first aspect, an embodiment of the present invention provides a display panel, including a display area and a non-display area, where the non-display area is located at least on one side of the display area, and the display area includes a plurality of data lines;
the display panel also comprises a frame circuit, wherein the frame circuit comprises a circuit component and a signal wiring connected with the circuit component;
at least part of the signal wiring is arranged in the display area, and the signal wiring and the data line are arranged in an insulating mode.
In a second aspect, an embodiment of the present invention provides a display device, including the display panel according to any one of the first aspects.
The display panel provided by the embodiment of the invention comprises a display area and a non-display area, and meanwhile, the display panel also comprises a frame circuit. Specifically, the frame circuit comprises a circuit assembly and signal wiring lines, wherein the signal wiring lines are connected with the circuit assembly and are arranged in an insulating mode with the data lines. Furthermore, at least partial signal wiring is arranged in the display area, the arrangement mode can reduce the occupied area of the frame circuit in the non-display area, and then the occupied area of the display area is improved, namely the occupied ratio of the display area in the display panel is improved, and the display effect of the display panel is improved.
Drawings
In order to more clearly illustrate the technical solution of the exemplary embodiment of the present invention, a brief introduction will be made to the drawings required for describing the embodiment. It should be clear that the described figures are only views of some of the embodiments of the invention to be described, not all, and that for a person skilled in the art, other figures can be derived from these figures without inventive effort.
Fig. 1 is a schematic structural diagram of a display panel provided in the prior art;
fig. 2 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 2;
FIG. 4 is a schematic structural diagram of another display panel provided in the embodiment of the present invention;
FIG. 5 is an enlarged view of area B of FIG. 4;
FIG. 6 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
FIG. 7 is an enlarged view of region C of FIG. 6;
FIG. 8 is a schematic diagram of another display panel according to an embodiment of the present invention;
FIG. 9 is an enlarged view of region D of FIG. 8;
FIG. 10 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
FIG. 11 is an enlarged view of area E of FIG. 10;
FIG. 12 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
FIG. 13 is an enlarged view of region F of FIG. 10;
FIG. 14 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
FIG. 15 is an enlarged view of region G of FIG. 14;
FIG. 16 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
fig. 17 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings, not all of them.
Fig. 1 is a schematic structural diagram of a display panel provided in the prior art, and referring to fig. 1, a display panel 10 'includes a display region and a non-display region 120', and the non-display region 120 'is located at least on one side of the display region 110'. The display region 110' includes a plurality of data lines 200' for implementing display luminescence of the display panel 10' and the like. Further, in order to ensure normal display of the display panel 10', a frame circuit 300' needs to be disposed in the display panel 10', so as to detect and protect the display panel 10', ensure normal display of the display panel 10', and the like. Specifically, the bezel circuit 300' includes a circuit component 310' and a signal wiring 320', and the signal wiring 320' is connected to the circuit component 310 '. The inventor has found that, in the prior art, the arrangement of the frame circuit 300 'in the display panel 10' increases the arrangement area of the non-display area in the display panel 10', that is, the screen occupation ratio of the display area 110' in the display panel 10 'is affected, and the display effect of the display panel 10' is affected as a whole.
In order to solve the above technical problem, an embodiment of the present invention provides a display panel, where the display panel includes a display area and a non-display area, the non-display area is at least located on one side of the display area, and the display area includes a plurality of data lines; the display panel also comprises a frame circuit, wherein the frame circuit comprises a circuit component and a signal wiring connected with the circuit component; at least part of the signal wiring is arranged in the display area, and the signal wiring and the data wire are arranged in an isolated way. Through setting up the at least partial signal wiring who is connected with circuit assembly in the frame circuit in display panel's display area promptly, can reduce the area occupied in the non-display area of frame circuit, and then promote the area of display area, promote the area of display area in display panel promptly and compare, further promote display panel's display effect.
The above is the core idea of the present invention, and the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.
Fig. 2 is a schematic structural diagram of a display panel according to an embodiment of the present invention, fig. 3 is an enlarged schematic diagram of an area a in fig. 2, and referring to fig. 2 and fig. 3, a display panel 10 according to an embodiment of the present invention includes a display area 110 and a non-display area 120, the non-display area 120 is at least located on one side of the display area 110, and the display area 110 includes a plurality of data lines 200; the display panel 10 further includes a bezel circuit 300, the bezel circuit 300 including a circuit component 310 and a signal wiring 320 connected to the circuit component 310; at least a portion of the signal wires 320 are disposed in the display region 110, and the signal wires 320 are isolated from the data lines 200.
Specifically, the display panel 10 includes a display area 110 and a non-display area 120, and the display area 110 includes sub-pixels (not specifically shown in the figure) and display signal lines, such as data lines 200, connected to the sub-pixels for implementing the display function of the display panel 10. The non-display area 120 includes a display controller, such as a driving chip (not specifically shown), connected to the display signal lines, and the display controller provides the display signal to the display signal lines, so as to drive the display panel 10 to implement the display function. For example, as shown in fig. 2, the non-display area 120 may be a lower bezel area located at one side of the display area 110. The embodiment of the present invention does not specifically limit the positional relationship between the display area 110 and the non-display area 120.
Further, referring to fig. 2, the display panel 10 includes a plurality of data lines 200, and only a portion of the data lines 200 is shown in fig. 2, and the number of the data lines 200 is not particularly limited in the embodiment of the present invention.
The display panel 10 further includes a frame circuit 300, and the detection, protection, output of a display signal, and the like of the display panel 10 can be realized through the frame circuit 300, for example, as shown in fig. 2, the frame circuit 300 may be a short-circuit bar circuit, which is used for performing a dot-on-screen test on the display panel 10, and detecting whether different sub-pixels (not shown in the figure) in the display panel 10 or data lines 200 connected to the sub-pixels can work normally, so as to ensure normal display of the display panel 10. Further, the frame circuit 300 in the display panel 10 may be other circuits, such as a multiplexing circuit and an electrostatic discharge circuit, which is not limited in this embodiment of the present invention.
Further, the bezel circuit 300 includes a circuit component 310 and a signal wiring 320, wherein the signal wiring 320 is connected to the circuit component 310. In order to save the occupied space of the wiring in the non-display area 120, at least part of the signal wiring 320 is disposed in the display area 110, that is, the occupied space of the non-display area 120 in the display panel 10 can be reduced, and thus the occupied space of the display area 110 in the display panel 10 is increased, that is, the screen occupation ratio of the display area 110 is increased, and the display effect of the display panel 10 is improved.
Alternatively, a portion of the signal wires 320 may be disposed in the display area 110 (not specifically shown in the figure), so that the signal wires 320 have less influence on other structures originally disposed in the display area 110; all the signal wires 320 may also be disposed in the display area 110, as shown in fig. 2 and fig. 3, so that the area of the non-display area 120 may be sufficiently reduced, the display area of the display panel 10 may be increased, and the display effect of the display panel 10 may be improved.
It should be noted that, in the embodiment of the present invention, the signal wiring 320 and the data line 200 are arranged in an absolute limit, that is, the signal wiring 320 and the data line 200 are not electrically connected, that is, the signal wiring 320 in the embodiment of the present invention is not a fan-out data line connected to the data line 200.
In summary, the display panel provided in the embodiment of the present invention includes a display area and a non-display area, and the display area includes a plurality of data lines. The display panel further comprises a frame circuit, and the frame circuit comprises a circuit assembly and signal wiring connected with the circuit assembly. Through setting up the partial signal wiring who is connected with circuit assembly in the frame circuit in display panel's display area, can reduce the area occupied of frame circuit in the non-display area, and then promote the area of display area, promote the proportion of display area in display panel promptly to signal wiring sets up with the data line absolutely, can not influence display panel's normal demonstration promptly, can promote display panel's display effect on the whole.
As shown with continued reference to fig. 2 and 3, the extending direction of the signal wiring 320 intersects the extending direction of the data line 200.
Specifically, as shown in fig. 2 and 3, the signal wiring 320 may be disposed in a manner intersecting the extending direction of the data lines 200, i.e., parallel to the arrangement direction of the plurality of data lines 200, such as the X direction shown in the drawing; alternatively, the extending direction of the signal wiring 320 is parallel to the extending direction of the scanning line (not shown in the figure). Because the circuit components 310 in the frame circuit 300 are mostly arranged along the X direction shown in the figure, the signal wires 320 are arranged to extend along the X direction, so that it can be ensured that different circuit components 310 in the frame circuit 300 can all be electrically connected with the signal wires 320, that is, the signal wires 320 can be buses in the frame circuit 300 and serve as common signal input wires or common control wires of a plurality of circuit components 310, on one hand, it is ensured that the connection mode of the circuit components 310 and the signal wires 320 is simple, on the other hand, it is ensured that the wiring mode of the signal wires 320 is simple, the number of wires is optimized, the influence of the signal wires 320 on other structures of the display area 110 is reduced, and the display effect of the display panel 10 is ensured.
Fig. 4 is a schematic structural diagram of another display panel according to an embodiment of the present invention, fig. 5 is an enlarged schematic diagram of a region B in fig. 4, fig. 6 is a schematic structural diagram of another display panel according to an embodiment of the present invention, and fig. 7 is an enlarged schematic diagram of a region C in fig. 6. Referring to fig. 2 to 7, a bezel circuit 300 includes at least one of a shorting bar circuit 300A, a multiplexing circuit 300B, and an electrostatic discharge circuit 300C.
Specifically, the bezel circuit 300 may be various circuits, for example, as shown in fig. 2 and 3, the bezel circuit 300 includes a shorting bar circuit 300A, i.e., before a driving chip (not shown) is bonded, in order to ensure the product quality of the display panel 10, a Visual Test (VT) is performed through the shorting bar circuit 300A. That is, the shorting bar circuit 300A detects sub-pixels (not shown) in the display panel 10 or the data lines 200 connected to the sub-pixels, so as to ensure the display effect of the display panel 10. Further, the shorting bar circuit 300A includes a shorting bar circuit component 310A and a shorting bar signal wiring 320A connected to the shorting bar circuit component 310A, and the shorting bar signal wiring 320A is disposed in the display area 110 of the display panel 10, so as to increase an occupied space of the display area 110 in the display panel 10, that is, increase a screen occupation ratio of the display area 110, and improve a display effect of the display panel 10.
Further, as shown in fig. 4 and fig. 5, the frame circuit 300 may further include a multiplexing circuit 300B, and further, a driving chip 400 is further included in the non-display area 120 of the display panel 10, and is electrically connected to the plurality of data lines 200 through the driving chip 400, so as to ensure that the display signal is transmitted to the data lines 200, and ensure a normal display function of the display panel 10. Further, the display area 110 of the display panel 10 includes a plurality of data lines 200, and if a terminal is provided in the driving chip 400 for each data line 200, the driving chip 400 may be oversized. That is, by providing the multiplexer circuit 300B, one connection terminal provided in the driver chip 400 can be connected to the plurality of data lines 200, and the display signals can be transmitted to the plurality of data lines 200 in a time-sharing manner. Further, referring to fig. 4 and 5, the multiplexing circuit 300B includes a multiplexing circuit component 310B and a multiplexing signal wiring 320B connected to the multiplexing circuit component 310B, and the multiplexing signal wiring 320B is disposed in the display area 110 of the display panel 10, so as to increase the occupied space of the display area 110 on the display panel 10, that is, increase the screen occupation ratio of the display area 110, and improve the display effect of the display panel 10.
Further, referring to fig. 6 and 7, the frame circuit 300 may further include an electrostatic discharge circuit 300C, and the display panel 10 includes various signal traces, for example, when the data line 200 performs signal transmission normally, the data line may be broken down by static electricity, so as to affect the display effect and the service life of the display panel 10. In order to protect the data lines 200 and the like in the display panel 10 from being damaged by static electricity, the static electricity discharge circuit 300C is provided to ensure that the data lines 200 can normally transmit signals under the condition of high potential or low potential, and the static electricity generated in the data lines 200 can be discharged through the static electricity discharge circuit 300C to ensure normal display of the display panel 10 and prolong the service life of the display panel 10. Further, referring to fig. 6 and 7, the electrostatic discharge circuit 300C includes an electrostatic discharge circuit component 310C and an electrostatic discharge signal wiring 320C connected to the electrostatic discharge circuit component 310C, and the electrostatic discharge signal wiring 320C is disposed in the display area 110 of the display panel 10, so as to increase the occupied space of the display area 110 on the display panel 10, that is, increase the screen occupation ratio of the display area 110, and improve the display effect of the display panel 10.
Further, the above description is only given by taking the frame circuit 300 including one of the shorting bar circuit 300A, the multiplexing circuit 300B and the electrostatic discharge circuit 300C as an example, and actually, the frame circuit 300 of the display panel 10 may include one or more of the shorting bar circuit 300A, the multiplexing circuit 300B and the electrostatic discharge circuit 300C at the same time, which is not specifically limited in the embodiment of the present invention.
With continued reference to fig. 2 and 3, bezel circuitry 300 includes shorting bar circuitry 300A; the shorting bar circuit 300A includes a shorting bar circuit element 310A and a shorting bar signal wiring 320A connected to the shorting bar circuit element 310A, at least a portion of the shorting bar signal wiring 320A being disposed in the display region 110; the shorting bar circuit assembly 310A includes a plurality of sets of first switching units 311A, each set of first switching units 311A including a plurality of first switching elements 312A; the shorting bar signal wiring 320A includes a plurality of first control signal lines 320A1 and a plurality of input signal lines 320A2; the control terminal 312A1 of the first switching element is electrically connected to the first control signal line 320A1, the input terminal 312A2 of the first switching element is electrically connected to the input signal line 320A2, and the output terminal 312A3 of the first switching element is electrically connected to the data line 200.
The frame circuit 300 includes a shorting bar circuit 300A, and at least a portion of the shorting bar signal wiring 320A in the shorting bar circuit 300A is disposed in the display area 110, so that the occupied space of the non-display area 120 can be reduced, the occupied space of the display area 110 in the display panel 10 is increased, that is, the screen occupation ratio of the display area 110 is increased, and the display effect of the display panel 10 is improved. Referring to fig. 2 and 3, the example in which all the shorting bar signal wirings 320A are provided in the display region 110 will be described.
Specifically, the shorting bar circuit assembly 310A includes a plurality of sets of first switch units 311A, and each set of first switch units 311A includes a plurality of first switch elements 312A, which is exemplified in fig. 2 and 3 by each set of first switch units 311A including three first switch elements 312A. The display panel 10 implements detection of a plurality of sub-pixels or a plurality of data lines 200 in the display panel 10 through a plurality of first switching elements 312A. Referring to fig. 2 and 3, the shorting bar signal wiring 320A includes a plurality of first control signal lines 320A1 and a plurality of input signal lines 320A2, and the first control signal lines 320A1 are electrically connected to the control terminals 312A1 of the first switching elements to turn on the first switching elements 312A. The input signal line 320A2 is connected to the input end 312A2 of the first switch element, and the data line 200 is connected to the output end 312A3 of the first switch element, that is, when the first switch element 312A is turned on, the data line 200 is detected by the detection signal transmitted through the input signal line 320A2, so as to ensure the display effect of the display panel 10. The plurality of first control signal lines 320A1 and the plurality of input signal lines 320A2 are disposed in the display area 110 of the display panel 10, that is, the space for disposing the display panel in the non-display area 120 is reduced, and the screen occupation ratio of the display panel 10 is increased.
For example, referring to fig. 3, the first control signal lines 320A1 may include a red first control signal line 320A1R, a blue first control signal line 320A1B, and a green first control signal line 320A1G, and the input signal lines 320A2 connected through the first switch elements 312A may include a red input signal line 320A2R, a blue input signal line 320A2B, and a green input signal line 320A2G, that is, the data lines 200 controlling different color displays in the display panel 10 are inspected, so as to ensure full color display of the display panel 10 and improve the display effect of the display panel 10.
Fig. 8 is a schematic structural diagram of another display panel according to an embodiment of the present invention, fig. 9 is an enlarged schematic structural diagram of a region D in fig. 8, fig. 10 is a schematic structural diagram of another display panel according to an embodiment of the present invention, fig. 11 is an enlarged schematic structural diagram of a region E in fig. 10, and referring to fig. 1, fig. 2, and fig. 8 to fig. 11, a plurality of first switch elements 312A in the same first switch unit 311A are sequentially arranged along a first direction X; the first direction X is parallel to the arrangement direction of the plurality of data lines 200; or, of the plurality of first switch elements 312A in the same first switch unit 311A, at least two first switch elements 312A are disposed along the second direction Y, and output ends 312A3 of the at least two first switch elements disposed along the second direction Y are electrically connected to the same data line 200; the second direction Y is parallel to the extending direction of the data line 200.
The shorting bar circuit assembly 310A includes a plurality of sets of first switch units 311A, each set of first switch units 311A includes a plurality of first switch elements 312A, and for example, referring to fig. 1 and 2, and fig. 8 to 11, each set of first switch units 311A includes three first switch elements 312A for illustration. The detection of the sub-pixel or the data line 200 by the short bar circuit 300A is realized by the plurality of first switch elements 312A, and the display effect of the display panel 10 is ensured.
In addition, when at least a part of the shorting bar signal wiring 320A is disposed in the display area 110, the screen occupation ratio of the display area 110 is improved, and the arrangement of the plurality of first switching elements 312A in the same first switching unit 311A is diversified.
For example, the plurality of first switching elements 312A in the same first switching unit 311A may be sequentially disposed along the first direction X. Referring to fig. 2 and 3, the three first switch elements 312A in the set of first switch units 311A are disposed in the same row, i.e., the short bar circuit 300A is disposed with regularity, which facilitates the preparation of the short bar circuit 300A. In the first switch unit 311A, the first switch elements 312A are sequentially arranged along the first direction X, so that the extension size of the non-display area 120 along the second direction Y can be reduced, the effect of a narrow frame of the display panel 10 can be further achieved, and the display effect of the display panel 10 can be ensured.
Illustratively, among the plurality of first switching elements 312A in the same first switching unit 311A, there are first switching elements 312A arranged in the second direction Y. Referring to fig. 8 and 9, there are two first switching elements 312A arranged in the second direction Y in the same first switching unit 311A. Referring to fig. 10 and 11, three first switching elements 312A are arranged in the second direction Y in the same first switching unit 311A. That is, in the same first switch unit 311A, the arrangement of the first switch elements 312A is diversified, and a portion of the first switch elements 312A is arranged along the second direction Y, so that the extension size of the non-display region 120 along the first direction X can be reduced, the space occupied by the first switch unit 311A in the first direction X can be saved, more circuit components can be arranged, detection can be provided for more data lines 200 and sub-pixels, and the display panel with higher display resolution is suitable for use. Further, by arranging at least two first switch elements 312A in the same first switch unit 311A along the second direction Y, the arrangement requirement of a special-shaped display panel, such as a circular or elliptical display panel, can be achieved by reducing the extension of the non-display area 120 along the first direction X.
Further, two first switch elements 312A in the same first switch unit 311A are arranged along the second direction Y, as shown in fig. 8 and 9, by adopting the setting mode, it can be ensured that the display panel 10 has a smaller size in both the first direction X and the second direction Y, and the requirements of the narrow frame and the high resolution of the display panel are taken into account, or the requirements of the narrow frame and the special-shaped boundary of the display panel are taken into account.
Fig. 12 is a schematic structural diagram of another display panel according to an embodiment of the present invention, and fig. 13 is an enlarged schematic diagram of a region F in fig. 10, in which at least two input signal lines 320A2 of the plurality of input signal lines 320A2 input the same signal, and at least two input signal lines 320A2 with the same input signal are arranged in parallel.
Exemplarily, referring to two first switching elements 312A arranged in the second direction Y shown in the region F1 in fig. 13 as an example, the input signal lines 320A2 connected to the input terminals 312A2 of the two first switching elements 312A are arranged in parallel, that is, the input signals input to the input terminals 312A2 of the two first switching elements 312A are the same. The input signal line 320A2 is connected in parallel, so that the resistance of the input signal line 320A2 can be reduced, the loss of signals in the transmission process can be reduced, and the stability of signal transmission can be ensured. For example, the input signal line 320A2 may be used to input a red display detection signal or a blue display detection signal to detect red display and blue display of the display panel 10, and the input signal line 320A2 connected in parallel may reduce transmission resistance, reduce loss of signals in the transmission process, and ensure the transmission effect of the detection signals.
It should be noted that, in the embodiment of the present invention, the signal transmitted by the input signal line 320A2 is not specifically limited, and the signal transmitted by the input signal line 320A2 arranged in parallel may also differ according to the type of the light emitting element in the display panel 10. Taking the light emitting element as an example of an organic light emitting element, since the turn-on voltages of the red light emitting element and the blue light emitting element are large, the input signal lines 320A2 corresponding to the red light emitting element and the blue light emitting element are arranged in parallel, so that the resistance on the input signal lines 320A2 corresponding to the red light emitting element and the blue light emitting element is reduced, and the red light emitting element and the blue light emitting element are ensured to be normally turned on.
With continued reference to fig. 4 and 5, the bezel circuitry 300 includes multiplexing circuitry 300B; the multiplexing circuit 300B includes a multiplexing circuit block 310B and a multiplexing signal wiring 320B connected to the multiplexing circuit block 310B, at least a part of the multiplexing signal wiring 320B being provided in the display region 110; the multiplexing circuit assembly 310B includes a plurality of sets of second switching units 311B, each set of second switching units 311B including a plurality of second switching elements 312B; the multiplexed signal wiring 320B includes a plurality of second control signal lines 320B1; the control end 312B1 of the second switch element is electrically connected to the second control signal line 320B1, the input ends 312B2 of the plurality of second switch elements in the same second switch unit 311B are electrically connected to the same data bus 410, and the output end 312B3 of the second switch element is electrically connected to the data connection line 210; the data link line 210 is located in the non-display area 120 and electrically connected to the data line 200.
As shown in fig. 4 and 5, the frame circuit 300 may further include a multiplexing circuit 300B, and the multiplexing circuit 300B is used to electrically connect the driving chip 400 to the plurality of data lines 200, so as to ensure that the display signals are transmitted to the data lines 200, and ensure the normal display function of the display panel 10.
Further, a plurality of sets of second switching units 311B are included in the multiplexing circuit 300B, and each set of second switching units 311B includes a plurality of second switching elements 312B. The control terminal 312B1 of the second switch element is electrically connected to the second control signal line 320B1, and the signal is written into the second control signal line 320B1 to ensure the conduction of the second switch element 312B. And the signal transmitted by the data bus 410 connected to the input end 312B2 of the second switching element is transmitted to the data connection line 210 through the output end 312B3 of the second switching element, so as to realize the acquisition and transmission of the signal by the data line 200. In the multiplexing circuit 300B, the input ends 312B2 of the plurality of second switch elements in the same second switch unit 311B are electrically connected to the same data bus 410, that is, the same data bus 410 is used to transmit the signals of the plurality of data connection lines 210, that is, the signals of the plurality of data lines 200, so as to increase the occupied space of the display area 110 on the display panel 10, that is, increase the screen occupation ratio of the display area 110. Meanwhile, at least part of the multiplexing signal wiring 320B connected to the multiplexing circuit module 310B is disposed in the display area 110, so as to further reduce the occupied space of the non-display area 120, further increase the occupation ratio of the display area 110 of the display panel 10, and improve the display effect of the display panel 10.
With continued reference to fig. 6 and 7, bezel circuit 300 includes an electrostatic discharge circuit 300C; the electrostatic discharge circuit 300C includes an electrostatic discharge circuit element 310C and an electrostatic discharge signal wiring 320C connected to the electrostatic discharge circuit element 310C, at least a portion of the electrostatic discharge signal wiring 320C being disposed in the display region 110; the electrostatic discharge circuit assembly 310C includes a plurality of sets of third switching units 311C, each set of third switching units 311C including a third switching element 312C and a third switching element 313C; the electrostatic discharge signal wiring 320C includes a third control signal line 321C and a third control signal line 322C; the input end 312C2 and the control end 312C1 of the third switching element are electrically connected to the data connection line 210, and the output end 312C3 of the third switching element is electrically connected to the third control signal line 321C; an input end 313C2 of the third switching element is electrically connected with the data connecting line 210, and an output end 313C3 and a control end 313C1 of the third switching element are both electrically connected with a third control signal line 322C; the data link line 210 is located in the non-display area 120 and electrically connected to the data line 200.
As shown in fig. 6 and 7, the frame circuit 300 may further include an electrostatic discharge circuit 300C, and the electrostatic discharge circuit 300C may discharge static electricity generated in the data line 200, so as to protect the data line 200 in the display panel 10 from being damaged by the static electricity, that is, the electrostatic discharge circuit 300C is provided to ensure that the data line 200 can normally transmit signals under the condition of a high potential or a low potential, thereby ensuring normal display of the display panel 10 and prolonging the service life of the display panel 10.
Further, a plurality of sets of third switching units 311C are included in the electrostatic discharge circuit 300C, and each set of third switching units 311C includes a third switching element 312C and a third switching element 313C. Specifically, referring to fig. 6 and 7, the input terminal 312C2 and the control terminal 312C1 of the third switching element are electrically connected to the data connection line 210, the input terminal 313C2 of the third switching element is electrically connected to the data connection line 210, the output terminal 312C3 of the third switching element is electrically connected to the third control signal line 321C, and the output terminal 313C3 and the control terminal 313C1 of the third switching element are electrically connected to the third control signal line 322C. In other words, the data connection line 210 is electrically connected to the data line 200, the data connection line 210 is connected to both the third switching element 312C and the third switching element 313C, and static electricity existing in the data connection 210, i.e., the data line 200, can be led out to the third control signal line 321C and the third control signal line 322C through the third switching element 312C or the third switching element 313C, so as to ensure that the data connection line 210, i.e., the data line 200, etc., are not damaged by the static electricity, thereby ensuring normal display of the display panel 10. For example, if the third control signal line 321C receives and transmits a low voltage, and the third control signal line 322C receives and transmits a high voltage, the data connection line 210, i.e., the data line 200, can be derived through the third switch element 312C or the third switch element 313C regardless of the voltage, and specifically, when the data connection line 210, i.e., the data line 200, has a high voltage, the first switch element 312C is turned on, and the generated static electricity is transmitted to the third control signal line 321C because the input end 312C2 and the control end 312C1 of the first switch element are electrically connected to the data connection line 210, i.e., the first switch element 312C is turned on. When the data link line 210, i.e. the data line 200, has a low voltage level, the output terminal 313C3 and the control terminal 313C1 of the third switch element are electrically connected to the third control signal line 322C, i.e. the second switch element 313C is turned on, so as to transmit the generated static electricity to the third control signal line 322C. Further, the third switching element 312C and the third switching element 313C may be P-type transistors. Illustratively, the third switching element 312C and the third switching element 313C may be P-type transistors and/or P-type transistors, and the connection manner of the wirings may be adaptively adjusted. The electrostatic discharge circuit 300C ensures the electrostatic discharge effect of the data line 200, and thus the display effect of the display panel 10. Meanwhile, the electrostatic discharge signal wiring 320C, i.e., the third control signal line 321C and the third control signal line 322C, are disposed in the display area 110 of the display panel 10, so as to increase the occupied space of the display area 110 in the display panel 10, i.e., increase the screen occupation ratio of the display area 110, and improve the display effect of the display panel 10.
Fig. 14 is a schematic structural diagram of another display panel according to an embodiment of the invention, and fig. 15 is an enlarged schematic diagram of a region G in fig. 14, and referring to fig. 6, 7, 14 and 15, a third switching element 312C and a third switching element 313C in the same third switching unit 311C are sequentially arranged along a first direction X; the first direction X is parallel to the arrangement direction of the plurality of data lines 200; alternatively, the third switching element 312C and the third switching element 313C in the same third switching unit 311C are sequentially disposed in the second direction Y; the second direction Y is parallel to the extending direction of the data line 200.
In the electrostatic discharge circuit 300C, a plurality of sets of third switch units 311C are included, and each set of third switch units 311C includes a third switch element 312C and a third switch element 313C, for example, referring to fig. 6, 7, 14 and 15, in the third switch unit 311C, the third switch element 312C and the third switch element 313C have various arrangement positions, so as to improve the diversity of the arrangement of the electrostatic discharge circuit 300C, and the electrostatic discharge circuit is suitable for more display panels 10.
For example, in the third switching unit 311C of the same group, the third and third switching elements 312C and 313C may be sequentially disposed in the first direction X. Referring to fig. 6 and 7, two switching elements in one set of the third switching unit 311C are disposed in the same row, that is, the electrostatic discharge circuit 300C is disposed with regularity, which facilitates the fabrication of the electrostatic discharge circuit 300C.
For example, in the third switching unit 311C of the same group, the third switching element 312C and the third switching element 313C may be sequentially disposed in the second direction Y. Referring to fig. 14 and 15, two switch elements in one group of the third switch units 311C are disposed in the same column, so that the area of the non-display region 120 extending in the lateral direction can be reduced, and the display panel 10 with a narrow frame can be better implemented.
Furthermore, at least a portion of the esd signal wires 320C connected to the esd circuit assembly 310C is disposed in the display area 110, so as to further reduce the occupied space of the non-display area 120, further increase the ratio of the display area 110 of the display panel 10, and improve the display effect of the display panel 10.
As shown in fig. 4, 6 and 14, the signal wires 320 disposed in the display area 110 are disposed on a side of the display area 110 close to the non-display area 120.
At least the signal wires 320 are disposed in the display area 110, so as to reduce the occupied area of the non-display area 120, increase the screen area of the display area 110, and improve the display effect of the display panel 10. Further, the positions of the signal wires 320 disposed in the display area 110 may be close to one side of the non-display area 120, so as to ensure the distance between the signal wires 320 and the circuit assembly 310, further ensure the working efficiency of the frame circuit 300, and further ensure the display effect of the display panel 10.
Fig. 16 is a schematic structural diagram of another display panel according to an embodiment of the present invention, and referring to fig. 16, a plurality of signal wires 320 disposed in the display area 110 are uniformly disposed in the display area 110.
Furthermore, the signal wires 320 disposed in the display area 110 may be uniformly distributed in the display area 110, so as to ensure similar effects in different areas of the display area 110 and ensure display uniformity of the display panel 10. Referring to fig. 16, a frame circuit 300 is taken as an example of a shorting bar circuit 300A for illustration, which is not specifically limited in the embodiment of the present invention.
Further, the display panel further includes a connection trace and a fan-out trace (not specifically shown in the figure), and the connection trace is electrically connected to the data line and the fan-out trace respectively; the connecting wires are positioned in the display area, and the fan-out wires are positioned in the non-display area; the connecting wires and the signal wires are arranged in the same layer.
The display panel further comprises a connecting wire positioned in the display area and a fan-out wire positioned in the non-display area. Data signal transmission to the data lines is achieved through the connecting wiring and the fan-out wiring, and the display effect of the display panel is guaranteed. In the embodiment of the invention, in order to reduce the area of the non-display area of the display panel, namely to improve the occupation ratio of the display area in the display panel, the connecting wires are arranged in the display area, so that the narrow frame effect of the display panel is effectively ensured. And the connecting wires and the signal wires can be arranged on the same layer, so that the thickness of the display panel is effectively reduced, and the thin design of the display panel is favorably realized.
Based on the same inventive concept, an embodiment of the present invention further provides a display device, fig. 17 is a schematic structural diagram of the display device provided in the embodiment of the present invention, and as shown in fig. 17, the display device 1 includes the display panel 10 described in any of the embodiments above, so that the display device 1 provided in the embodiment of the present invention has the corresponding beneficial effects in the embodiments above, and details are not repeated here. For example, the display device 1 may be an electronic device such as a mobile phone, a computer, a smart wearable device (e.g., a smart watch), and an in-vehicle display device, which is not limited in this embodiment of the present invention.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (13)

1. The display panel is characterized by comprising a display area and a non-display area, wherein the non-display area is at least positioned on one side of the display area, and the display area comprises a plurality of data lines;
the display panel also comprises a frame circuit, wherein the frame circuit comprises a circuit component and a signal wiring connected with the circuit component;
at least part of the signal wiring is arranged in the display area, and the signal wiring and the data line are arranged in an insulating mode.
2. The display panel according to claim 1, wherein an extending direction of the signal wiring intersects an extending direction of the data line.
3. The display panel according to claim 1, wherein the bezel circuit comprises at least one of a shorting bar circuit, a multiplexing circuit, and an electrostatic discharge circuit.
4. The display panel of claim 3, wherein the bezel circuitry comprises shorting bar circuitry;
the short-circuit rod circuit comprises a short-circuit rod circuit component and a short-circuit rod signal wiring connected with the short-circuit rod circuit component, and at least part of the short-circuit rod signal wiring is arranged in the display area;
the shorting bar circuit assembly comprises a plurality of groups of first switch units, each group of the first switch units comprising a plurality of first switch elements; the shorting bar signal wiring comprises a plurality of first control signal lines and a plurality of input signal lines; the control end of the first switch element is electrically connected with the first control signal line, the input end of the first switch element is electrically connected with the input signal line, and the output end of the first switch element is electrically connected with the data line.
5. The display panel according to claim 4, wherein a plurality of the first switching elements in the same first switching unit are arranged in order in a first direction; the first direction is parallel to the arrangement direction of the data lines;
or, in a plurality of first switch elements in the same first switch unit, at least two first switch elements are arranged along a second direction, and output ends of at least two first switch elements arranged along the second direction are electrically connected with the same data line; the second direction is parallel to an extending direction of the data line.
6. The display panel according to claim 4, wherein at least two of the plurality of input signal lines input the same signal, and at least two of the input signal lines input the same signal are provided in parallel.
7. The display panel according to claim 3, wherein the bezel circuit comprises a multiplexing circuit;
the multiplexing circuit comprises a multiplexing circuit component and multiplexing signal wiring connected with the multiplexing circuit component, and at least part of the multiplexing signal wiring is arranged in the display area;
the multiplexing circuit assembly comprises a plurality of groups of second switching units, each group of the second switching units comprises a plurality of second switching elements; the multiplexed signal wiring includes a plurality of second control signal lines; the control end of the second switch element is electrically connected with the second control signal line, the input ends of a plurality of second switch elements in the same second switch unit are electrically connected with the same data bus, and the output ends of the second switch elements are electrically connected with the data connecting line; the data connecting line is located in the non-display area and electrically connected with the data line.
8. The display panel according to claim 3, wherein the bezel circuit includes an electrostatic discharge circuit;
the electrostatic discharge circuit comprises an electrostatic discharge circuit component and an electrostatic discharge signal wiring connected with the electrostatic discharge circuit component, and at least part of the electrostatic discharge signal wiring is arranged in the display area;
the electrostatic discharge circuit assembly comprises a plurality of groups of third switch units, and each group of third switch units comprises a third switch element and a third switch element; the electrostatic discharge signal wiring comprises a third control signal line and a third control signal line; the input end and the control end of the third switch element are electrically connected with a data connecting wire, and the output end of the third switch element is electrically connected with the third control signal wire; the input end of the third switch element is electrically connected with the data connecting line, and the output end and the control end of the third switch element are electrically connected with the third control signal line; the data connecting line is located in the non-display area and electrically connected with the data line.
9. The display panel according to claim 8, wherein the third switching element and the third switching element in the same third switching unit are sequentially arranged in a first direction; the first direction is parallel to the arrangement direction of the data lines;
or, the third switching element and the third switching element in the same third switching unit are sequentially arranged along a second direction; the second direction is parallel to an extending direction of the data line.
10. The display panel according to claim 1, wherein the plurality of signal wirings provided in the display region are provided on a side of the display region close to the non-display region.
11. The display panel according to claim 1, wherein the plurality of signal wirings provided in the display region are uniformly provided in the display region.
12. The display panel of claim 1, wherein the display panel further comprises a connection trace and a fan-out trace, the connection trace electrically connected to the data line and the fan-out trace, respectively;
the connecting wires are positioned in the display area, and the fan-out wires are positioned in the non-display area;
the connecting wires and the signal wires are arranged on the same layer.
13. A display device characterized by comprising the display panel according to any one of claims 1 to 12.
CN202211047501.6A 2022-08-29 2022-08-29 Display panel and display device Pending CN115346442A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211047501.6A CN115346442A (en) 2022-08-29 2022-08-29 Display panel and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211047501.6A CN115346442A (en) 2022-08-29 2022-08-29 Display panel and display device

Publications (1)

Publication Number Publication Date
CN115346442A true CN115346442A (en) 2022-11-15

Family

ID=83954608

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211047501.6A Pending CN115346442A (en) 2022-08-29 2022-08-29 Display panel and display device

Country Status (1)

Country Link
CN (1) CN115346442A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107154218A (en) * 2017-06-29 2017-09-12 厦门天马微电子有限公司 A kind of array base palte, display panel and display device
CN108417605A (en) * 2018-02-27 2018-08-17 上海天马微电子有限公司 Display panel and display device
CN109410772A (en) * 2018-10-31 2019-03-01 武汉天马微电子有限公司 Display panel and display device
CN208861616U (en) * 2018-10-23 2019-05-14 上海和辉光电有限公司 A kind of organic light emitting display panel
CN209608912U (en) * 2018-11-09 2019-11-08 昆山龙腾光电有限公司 A kind of static release circuit and display panel of display panel
CN114863806A (en) * 2022-04-11 2022-08-05 武汉天马微电子有限公司 Display panel and display device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107154218A (en) * 2017-06-29 2017-09-12 厦门天马微电子有限公司 A kind of array base palte, display panel and display device
CN108417605A (en) * 2018-02-27 2018-08-17 上海天马微电子有限公司 Display panel and display device
CN208861616U (en) * 2018-10-23 2019-05-14 上海和辉光电有限公司 A kind of organic light emitting display panel
CN109410772A (en) * 2018-10-31 2019-03-01 武汉天马微电子有限公司 Display panel and display device
CN209608912U (en) * 2018-11-09 2019-11-08 昆山龙腾光电有限公司 A kind of static release circuit and display panel of display panel
CN114863806A (en) * 2022-04-11 2022-08-05 武汉天马微电子有限公司 Display panel and display device

Similar Documents

Publication Publication Date Title
CN107065336B (en) Array substrate, display panel and display device
CN106325608B (en) Touch display panel and touch display device
CN113963622A (en) Display panel and display device
CN112711349B (en) Touch display screen and touch display device
CN107479283A (en) A kind of array base palte, display panel and display device
CN111509026A (en) Display panel, crack detection method thereof and display device
CN111427469B (en) Display panel and display device
CN111739453B (en) Display panel and display device
CN109637352B (en) Display panel and display device
CN113076028A (en) Display panel and electronic device
CN110827728B (en) Display panel and display device
CN111755465B (en) Display module and display device
CN101706695B (en) Touch-control display panel and touch-control sensing unit thereof
CN113157150B (en) Touch module and display device
CN112684931B (en) Display panel and display device
CN115346442A (en) Display panel and display device
CN114488632B (en) Display panel, display device and detection method thereof
CN115019712B (en) Drive chip and terminal equipment
CN115862502A (en) Display panel, test method thereof and display device
US11711900B2 (en) Display panel and display module
CN115756207A (en) Touch display panel and touch display device
US20210405796A1 (en) Backlight module and touch display device using the backlight module
CN114860110A (en) Touch display panel and display device
CN115016667A (en) Touch display panel, driving method and touch display device
CN113470558A (en) Display panel and display device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination