CN114708797A - Display panel and display device - Google Patents
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- CN114708797A CN114708797A CN202210345022.6A CN202210345022A CN114708797A CN 114708797 A CN114708797 A CN 114708797A CN 202210345022 A CN202210345022 A CN 202210345022A CN 114708797 A CN114708797 A CN 114708797A
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- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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Abstract
In display panel and display device that this application embodiment provided, display panel includes the display area and sets up the non-display area in the display area outside, is provided with the first fan-out that control chip and interval set up in the non-display area and walks the line, and the one end and the control chip that the line was walked to first fan-out are connected, and the other end that the line was walked to first fan-out all is connected with the display area. The first fan-out routing comprises a first fan-out section, a second fan-out section, a third fan-out section and a fourth fan-out section which are sequentially connected. The first fan-out section, the second fan-out section, the third fan-out section and the fourth fan-out section extend along different directions, so that the first fan-out wiring is connected with the display area after being bent downwards, the display areas on two sides of the display panel can extend downwards, the screen occupation ratio of the display panel is improved, and the realization of a narrow-frame display panel is facilitated.
Description
Technical Field
The application relates to the technical field of display, in particular to a display panel and a display device.
Background
At present, a display panel has the advantages of self luminescence, low driving voltage, high luminous efficiency, short response time, high definition and contrast, a viewing angle of nearly 180 degrees, a high use temperature range and the like. Therefore, in order to achieve better display effect, the existing panel manufacturers have pursued higher screen occupation ratio to achieve narrow-frame display panels.
In the prior art, a side binding technology is usually adopted to bind part of circuits on the side of the display panel, so that the left and right frames of the display panel are shortened, and the narrow-frame display panel is realized. However, in the prior art, there is no technology for shortening the lower frame of the display panel.
Therefore, how to provide a display panel that can shorten the lower frame of the display panel is a difficult problem for the existing panel manufacturers to struggle.
Disclosure of Invention
An object of the embodiments of the present application is to provide a display panel and a display device, which can solve the technical problem that the existing display panel is difficult to shorten the lower frame of the display panel.
The embodiment of the application provides a display panel, which comprises a display area and a non-display area arranged outside the display area, wherein a control chip and a first fan-out wire are arranged in the non-display area, one end of the first fan-out wire is connected with the control chip, and the other end of the first fan-out wire is connected with the display area; wherein,
the first fan-out is walked the line and is included first fan-out section, second fan-out section, third fan-out section and the fourth fan-out section that connects gradually, first fan-out section, the second fan-out section the third fan-out section and the fourth fan-out section extend along different directions.
In the display panel, the display panel further comprises a second fan-out wire, the second fan-out wire is arranged at a distance from the first fan-out wire, one end of the second fan-out wire is connected with the control chip, and the other end of the second fan-out wire is connected with the display area.
In the display panel, the second fan-out is walked including the fifth fan-out section and the sixth fan-out section that connect gradually, the fifth fan-out section and the sixth fan-out section extend along different directions, just the fifth fan-out section with first fan-out section parallel arrangement, the sixth fan-out section with second fan-out section parallel arrangement.
In the display panel, the second fan-out section the third fan-out section and the fourth fan-out section connect gradually into the z-shaped and walk the line, just the third fan-out section is to being close to control chip's direction extends.
In the display panel described herein, the second fan-out section and the fourth fan-out section are arranged in parallel.
In the display panel of the present application, an angle between the second fan-out section and the third fan-out section is greater than ninety degrees.
In the display panel of the present application, the second fan-out section and the included angle of the third fan-out section are greater than the included angle of the third fan-out section and the fourth fan-out section.
In the display panel of the present application, the display panel further includes an array substrate cutting line and a color film substrate cutting line, the color film substrate cutting line is provided with a groove opposite to the control chip, and an opening of the groove faces the control chip.
In the display panel, a plurality of signal wires are further arranged in the display area, and the signal wires are connected with the fan-out wires in a one-to-one correspondence manner.
The embodiment of the application also provides a display device, which comprises a display panel and a driving chip connected with the display panel; the ESD protection circuit is arranged on the driving chip.
In the display panel and the display device provided by the embodiment of the application, the display panel comprises a display area and a non-display area arranged outside the display area, a control chip and first fan-out wires arranged at intervals are arranged in the non-display area, one end of each first fan-out wire is connected with the control chip, and the other end of each first fan-out wire is connected with the display area. The first fan-out routing comprises a first fan-out section, a second fan-out section, a third fan-out section and a fourth fan-out section which are sequentially connected. First fan-out section second fan-out section three fan-out sections and fourth fan-out section extend along different directions, consequently first fan-out is walked the line and is connected with the display area again after buckling downwards to the display area that makes display panel both sides can downwardly extending, and then promotes the display panel screen and accounts for the ratio, is favorable to narrow frame display panel's realization.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
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 first implementation manner of a display panel provided in an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a second implementation manner of a display panel provided in an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a third implementation manner of a display panel provided in an embodiment of the present application.
Fig. 5 is a schematic structural diagram of a fourth implementation of a display panel provided in an example of the present application.
Fig. 6 is a schematic structural diagram of a fifth implementation manner of a display panel provided in an embodiment of the present application.
Fig. 7 is a schematic structural diagram of a sixth implementation manner of a display panel provided in an embodiment of the present application.
Fig. 8 is a schematic structural diagram of a display device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a display panel provided in the prior art. As shown in fig. 1, the conventional display panel includes a display area and a non-display area disposed around the display area, a control chip and fan-out wires disposed at intervals are disposed in the non-display area, one end of each fan-out wire is connected to the control chip, and the other end of each fan-out wire is connected to the display area. The fan-out routing comprises a first part and a second part which are connected in sequence.
As can be seen from fig. 1, in the prior art, although the control chip is not disposed in the non-display area corresponding to the display areas on the two sides, the display areas on the two sides cannot be moved down due to the fan-out routing, so that most of the display areas are not wired and cannot be used, and the lower frame of the display panel is further increased.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a first implementation of a display panel according to an embodiment of the present disclosure, and as shown in fig. 2, a display panel 10 according to an embodiment of the present disclosure includes a display area 10a and a non-display area 10b disposed outside the display area 10 a. The non-display area 10b is provided with the control chip 101 and the first fan-out traces 1022 arranged at intervals. One end of the first fan-out trace 1022 is connected to the control chip 101, and the other end of the first fan-out trace 1022 is connected to the display area 10 a.
The first fan-out trace 1022 includes a first fan-out segment 1022a, a second fan-out segment 1022b, a third fan-out segment 1022c, and a fourth fan-out segment 1022d, which are connected in sequence. The first, second, third, and fourth fan- out sections 1022a, 1022b, 1022c, and 1022d extend in different directions.
Because the first fan-out section 1022a, the second fan-out section 1022b, the third fan-out section 1022c, and the fourth fan-out section 1022d extend along different directions, a portion of the lower side of the display area 10a, which is connected to the first fan-out routing 1022, may extend downward, so as to increase a screen occupation ratio of the display panel, which is beneficial to the implementation of a narrow-bezel display panel.
The second fan-out section 1022b, the third fan-out section 1022c, and the fourth fan-out section 1022d are sequentially connected to form a z-shaped trace, and the third fan-out section 1022c extends along a direction close to the control chip 101. Specifically, the end of the third fan-out section 1022c connected to the second fan-out section 1022b is farther from the control chip 101 than the end of the third fan-out section 1022c connected to the fourth fan-out section 1022 d.
It should be noted that, the second fan-out section 1022b, the third fan-out section 1022c, and the fourth fan-out section 1022d are sequentially connected to form a z-shaped routing, and the third fan-out section 1022c extends along a direction close to the control chip 101, so that not only the portion of the lower side of the display area 10a connected with the first fan-out routing 1022 can extend downward, thereby increasing the screen occupation ratio of the display panel, facilitating the implementation of the narrow-frame display panel, but also avoiding the phenomenon of mutual intersection between the first fan-out routing 1022.
Wherein the second and fourth fan-out sections 1022b and 1022d are arranged in parallel.
It should be noted that the second fan-out section 1022b and the fourth fan-out section 1022d are arranged in parallel, so that the phenomenon that the second fan-out routing line 1021 and the first fan-out routing line 1022 intersect with each other can be avoided.
The display panel 10 further includes a second fan-out trace 1021, and the first fan-out trace 1022 and the second fan-out trace 1021 together form a fan-out trace 102 of the display panel. The second fan-out trace 1021 and the first fan-out trace 1022 are arranged at a spacing.
The second fan-out trace 1021 accounts for 20% to 30% of all the fan-out traces 102. Specifically, the second fan-out trace 1021 accounts for 20%, 21%, 23%, 25%, 27%, or 30% of all the fan-out traces 102. The specific proportion of the second fan-out trace 1021 to all the fan-out traces 102 is determined by the specific requirements of the display panel 10.
It should be noted that, due to the existence of the control chip 101, the position of the control chip 101 needs to be reserved in the lower frame area of the display panel 10. Therefore, the lower sides of the display regions 10a cannot extend downward, and the lower sides of the display regions 10a corresponding to the control chip 101 cannot extend. The first fan-out trace 1022 is connected to the lower side of the display area 10a that can be extended downward, and the second fan-out trace 1021 is connected to the lower side of the display area 10a that cannot be extended downward. Therefore, by limiting the ratio of the second fan-out trace 1021 to all the fan-out traces 102, a space enough for placing the control chip 101 can be reserved in the lower frame area of the display panel 10.
In addition, the proportion of the portion of the lower side of the display panel 10a not extending downwards to the lower side of all the display panels 10a is equal to the proportion of the first fan-out traces 1022 to all the fan-out traces 102.
The first fan-out trace 1022 includes a first sub-fan-out line 10221 and a second sub-fan-out line 10222. The first sub-fan-out line 10221 is disposed opposite to the second sub-fan-out line 10222. The second fan-out trace 1021 includes a third sub-fan-out line 10211 and a fourth sub-fan-out line 10212. The third sub-fan line 10211 is disposed opposite to the fourth sub-fan line 10212.
It should be noted that, because the control chip 101 is disposed at a position in the middle of the non-display area 10b, the first sub-fan-out line 10221 and the second sub-fan-out line 10222 are disposed opposite to each other, and the third sub-fan-out line 10211 and the fourth sub-fan-out line 10212 are disposed opposite to each other, so that the phenomenon of crossing between the fan-out lines 102 can be avoided.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a display panel according to a second implementation manner of the present application. As shown in fig. 3, the second fan-out trace 1021 includes a fifth fan-out section 1021a and a sixth fan-out section 1021b connected in sequence. The fifth and sixth fan-out sections 1021a and 1021b extend in different directions. The fifth fan-out section 1021a is arranged in parallel with the first fan-out section 1022 a. The sixth fan-out section 1021b is arranged in parallel with the second fan-out section 1022 b.
It should be noted that, since the second fan-out section 1022b and the fourth fan-out section 1022d are arranged in parallel, the fifth fan-out section 1021a is arranged in parallel with the first fan-out section 1022 a. The sixth fan-out section 1021b is arranged in parallel with the second fan-out section 1022 b. Therefore, the fifth fan-out section 1021a is arranged in parallel with the first fan-out section 1022a, and the second fan-out section 1022b, the fourth fan-out section 1022d, and the sixth fan-out section 1021b are arranged in parallel.
It should be noted that, because the second fan-out trace 1021 and the first fan-out trace 1022 are sequentially arranged along the direction away from the control chip 101, the fifth fan-out section 1021a is arranged in parallel with the first fan-out section 1022a, and the second fan-out section 1022b, the fourth fan-out section 1022d and the sixth fan-out section 1021b are arranged in parallel, one of which can avoid the phenomenon that the second fan-out trace 1021 and the first fan-out trace 1022 are crossed with each other, and the other can avoid the position where the second fan-out trace 1021 and the first fan-out trace 1022 are connected with the display area 10a from being too close to the frame, thereby encroaching on the area where the frame sets up the circuit, and being not beneficial to providing the circuit with the driving signal to the display panel.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a third implementation manner of a display panel according to an embodiment of the present disclosure. As shown in fig. 4, the angle R1 between the second fan-out section 1022b and the third fan-out section 1022c is greater than ninety degrees.
It should be noted that, since the third fan-out section 1022c extends in a direction close to the control chip 101, if an included angle between the second fan-out section 1022b and the third fan-out section 1022c is less than ninety degrees, the third fan-out section 1022c will be brought into contact with the control chip 101, which is not favorable for the connection of the subsequent fourth fan-out section 1022d with the display area 10 a.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a fourth implementation manner of the display panel according to the embodiment of the present application. As shown in fig. 5, the included angle R1 of the second fan-out section 1022b and the third fan-out section 1022c is greater than the included angle R2 of the third fan-out section 1022c and the fourth fan-out section 1022 d.
It should be noted that, when an included angle R1 between the second fan-out section 1022b and the third fan-out section 1022c is greater than an included angle R2 between the third fan-out section 1022c and the fourth fan-out section 1022d, a position where the fourth fan-out section 1022d contacts the display area 10a is closer to the inside of the lower side of the display area 10a, so that the fan-out traces 102 do not exist in the space on both sides of the non-display area 10b on the lower side of the display area 10a, and this space can be used as a space for placing devices such as a driving circuit, which helps to reduce frames in other directions of the display panel 10, further improves the screen occupation ratio of the display panel 10, and realizes a narrow frame of the display panel 10.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a display panel according to a fifth implementation manner of the present application. As shown in fig. 6, the display panel 10 further includes an array substrate cutting line 104 and a color filter substrate cutting line 103. The color filter substrate cutting line 103 is provided with a groove 103a opposite to the control chip 101, and an opening of the groove 103a faces the control chip 101.
It should be noted that, since the two sides of the display area 10a extend downward, the lower frame of the display panel 10 is reduced, and therefore, if the color film substrate cutting line 103 does not move downward when the lower frame of the display panel 10 is too narrow, the color film substrate cutting line 103 will be close to the display area 10a, so that when the color film substrate is cut, the display area of the display panel 10 will be affected, the display stability of the display panel 10 will be affected, and the yield of the display panel 10 will be unfavorable. Therefore, in general, both sides of the color filter substrate cut line 103 are shifted down. Since the portion of the display region 10a opposite to the control chip 101 does not move down, the color film substrate cutting line 103 opposite to the control chip 101 does not move down, and the color film substrate cutting line 103 is prevented from approaching the control chip 101, so that the control chip 101 is affected when the color film substrate is cut, and the control chip 101 provides a signal to the display panel 10, which is not favorable for the yield of the display panel 10.
In addition, when the distance is still sufficiently wide after the lower frame of the display panel 10 moves downward, the color filter substrate cutting line 103 may not move downward. Whether the color filter substrate cutting line 103 is moved downward is determined according to the specification of the display panel 10.
Referring to fig. 7, fig. 7 is a schematic structural diagram of a display panel according to a fifth implementation manner of the embodiment of the present application. As shown in fig. 7, a plurality of signal traces 105 are further disposed in the display area 10a, and the signal traces 105 are connected to the fan-out traces 102 in a one-to-one correspondence.
It should be noted that the fan-out traces 102 are connected to the display area 10a to provide signals to the signal traces 105, and therefore the signal traces 105 are connected to the fan-out traces 102 in a one-to-one correspondence.
Among the display panel that this application embodiment provided, display panel includes the display area and sets up the non-display area in the display area outside, is provided with the first fan-out that control chip and interval set up in the non-display area and walks the line, and the one end and the control chip that first fan-out was walked the line are connected, and the other end that first fan-out was walked the line all is connected with the display area. The first fan-out routing comprises a first fan-out section, a second fan-out section, a third fan-out section and a fourth fan-out section which are sequentially connected. First fan-out section second fan-out section three fan-out sections and fourth fan-out section extend along different directions, consequently first fan-out is walked the line and is connected with the display area again after buckling downwards to the display area that makes display panel both sides can downwardly extending, and then promotes the display panel screen and accounts for the ratio, is favorable to narrow frame display panel's realization.
The embodiment of the application also provides a display device. Referring to fig. 8, fig. 8 is a schematic structural diagram of a display device according to an embodiment of the present disclosure. As shown in fig. 8, a display device 100 provided in the embodiment of the present application includes a display panel 10 and a frame 20. The display panel 10 is disposed on the frame 20. The frame 20 serves to provide support to the display panel 10. The display panel 10 may specifically refer to the description of the display panel above, and is not described herein again.
The display device 100 further includes a backlight module, and the backlight module is located between the frame 20 and the display panel 10. The backlight module is used for providing backlight to the display panel 10.
In the display device that this application embodiment provided, display panel includes the display area and sets up the non-display area in the display area outside, is provided with the first fan-out that control chip and interval set up in the non-display area and walks the line, and the one end and the control chip that the line was walked to first fan-out are connected, and the other end that the line was walked to first fan-out all is connected with the display area. The first fan-out routing comprises a first fan-out section, a second fan-out section, a third fan-out section and a fourth fan-out section which are sequentially connected. First fan-out section second fan-out section three fan-out sections and fourth fan-out section extend along different directions, consequently first fan-out is walked the line and is connected with the display area again after buckling downwards to the display area that makes display panel both sides can downwardly extending, and then promotes the display panel screen and accounts for the ratio, is favorable to narrow frame display panel's realization.
The display panel and the display device provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are described herein by applying specific examples, and the description of the embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A display panel is characterized in that the display panel comprises a display area and a non-display area arranged outside the display area, a control chip and a first fan-out wire are arranged in the non-display area, one end of the first fan-out wire is connected with the control chip, and the other end of the first fan-out wire is connected with the display area; wherein,
the first fan-out is walked the line and is included first fan-out section, second fan-out section, third fan-out section and the fourth fan-out section that connects gradually, first fan-out section the second fan-out section third fan-out section and the fourth fan-out section extends along different directions.
2. The display panel of claim 1, wherein the display panel further comprises a second fan-out trace, the second fan-out trace is spaced apart from the first fan-out trace, one end of the second fan-out trace is connected to the control chip, and the other end of the second fan-out trace is connected to the display area.
3. The display panel of claim 2, wherein the second fan-out trace comprises a fifth fan-out segment and a sixth fan-out segment connected in series, the fifth fan-out segment and the sixth fan-out segment extend in different directions, the fifth fan-out segment is arranged in parallel with the first fan-out segment, and the sixth fan-out segment is arranged in parallel with the second fan-out segment.
4. The display panel of claim 1, wherein the second fan-out section, the third fan-out section and the fourth fan-out section are sequentially connected to form a z-shaped trace, and the third fan-out section extends in a direction close to the control chip.
5. The display panel of claim 1, wherein the second fan-out section and the fourth fan-out section are arranged in parallel.
6. The display panel of claim 1, wherein the second fan-out segment is angled more than ninety degrees from the third fan-out segment.
7. The display panel of claim 1, wherein an angle between the second fan-out section and the third fan-out section is greater than an angle between the third fan-out section and the fourth fan-out section.
8. The display panel of claim 1, further comprising an array substrate cutting line and a color film substrate cutting line, wherein the color film substrate cutting line is provided with a groove opposite to the control chip, and an opening of the groove faces the control chip.
9. The display panel of claim 1, wherein a plurality of signal traces are further disposed in the display area, and the signal traces are connected to the fan-out traces in a one-to-one correspondence.
10. A display device comprising a frame and the display panel according to any one of claims 1 to 9, the display panel being provided on the frame.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115469487A (en) * | 2022-08-18 | 2022-12-13 | Tcl华星光电技术有限公司 | Display screen |
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| CN115469487A (en) * | 2022-08-18 | 2022-12-13 | Tcl华星光电技术有限公司 | Display screen |
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