CN113130606A - Display panel - Google Patents

Abstract

The present invention provides a display panel, comprising: the invention sets an adjusting part on the fan-out wires in the fan-out area, and makes the lengths of the fan-out wires in the fan-out area the same through the patterned wiring. And then the resistance of every fan-out line of fan-out district is the same, and this can reduce the load delay of fan-out district, promotes the homogeneity that the panel shows.

Description

Display panel

Technical Field

The invention relates to the technical field of display, in particular to a display panel.

Background

An Active-matrix organic light-emitting diode (AMOLED) display screen is favored by many manufacturers due to its characteristics of large color gamut, high contrast, wide viewing angle, high resolution, etc., and a Low Temperature Polysilicon (LTPS) substrate is mainly used in the Array substrate (Array) at present.

As shown in fig. 1, a Data Line Fanout area 10(Data Line Fanout) in the conventional mainstream display screen technology is in a fan-shaped divergent shape along a driving chip end toward a display area, however, in this design, the lengths of the single fan-out wires are different, which causes different loads on theData Line 11, so that signal attenuation at two sides of the fan shape is serious, and finally, pixels connected with the fan-shaped wires at two sides are caused.

Disclosure of Invention

The invention provides a display panel, which is characterized in that an adjusting part is arranged on fan-out wires in a fan-out area, and the lengths of the fan-out wires in the fan-out area can be the same by patterning the adjusting part.

In order to achieve the above object, the present invention provides a display panel including: a display area; the fan-out area comprises at least two fan-out wires, one end of each fan-out wire is connected with the display area, and the fan-out wires are in a divergent shape on one side of the display area; the other end of the fan-out routing is connected with the driving chip, and the fan-out routing is gathered on one side of the driving chip; wherein, the fan-out is walked the line and is included: the display panel comprises a first fan-out part, an adjusting part and a second fan-out part, wherein the first fan-out part is connected with the display area, the adjusting part is connected with the first fan-out part and the second fan-out part, the second fan-out part is connected with the driving chip, and the adjusting part and the second fan-out part have a wiring included angle; the at least two fan-out wires are different in corresponding wiring included angle, and the adjusting portion enables the lengths of the fan-out wires to be the same through patterned wiring.

Further, the shape of the patterned wiring of the adjusting section is a waveform.

Further, the waveform comprises one or more combinations of square waves, triangular waves, sine waves, or cosine waves.

Further, the adjusting portion forms the patterned wiring by bending; wherein the adjusting part located at the edge of the fan-out area and the adjusting part located at the center of the fan-out area have different bending periods when the patterned wiring is performed by bending.

Further, the first fan-out portions of each of the fan-out traces are parallel to each other; the second fan-out portions of each fan-out trace are parallel to each other.

Further, a pitch of adjacent first fan-outs is greater than a pitch of adjacent second fan-outs.

Further, the wiring included angle gradually increases from the edge of the bending area to the center of the fan-out area.

Further, the adjusting part at the edge of the fan-out area is linear.

Further, the lengths of the first fan-out parts of each fan-out routing are the same; the lengths of the second fan-out parts of each fan-out routing are the same; the adjusting part is used for enabling the lengths of the adjusting parts of the at least two fan-out routing lines to be the same through patterning.

Further, the display area includes: the scanning lines are horizontally arranged, and the data lines are vertically arranged; the first fan-out part is correspondingly connected with the fan-out routing wire; the scanning lines are connected with GOA circuits on the periphery of the display area.

The invention has the beneficial effects that: the invention provides a display panel, wherein an adjusting part is arranged on fan-out wires in a fan-out area, and the lengths of the fan-out wires in the fan-out area are the same through patterned wiring. And then the resistance of every fan-out line of fan-out district is the same, and this can reduce the load delay of fan-out district, promotes the homogeneity that the display area shows.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, 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 plan view of a display panel provided in the background art;

fig. 2 is a schematic plan view of a display panel according to an embodiment of the present invention.

The invention has specific reference numerals:

adisplay panel 100; adisplay area 110; a fan-out region 120;

adriver chip 130; a GOAcircuit 140; acenterline 122;

a fan-out trace 121; a first fan-out 1211; an adjustingsection 1212; a second fan-out portion 1213;

agate line 111; and adata line 112.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention. Furthermore, it should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, and are not intended to limit the present invention.

As shown in fig. 2, adisplay panel 100 of the present invention includes: adisplay area 110, a fan-out area 120, and adriving chip 130.

The fan-outarea 120 includes at least two fan-out traces 121, and one end of the fan-outtraces 121 is connected to thedisplay area 110. The other end of the fan-out trace 121 is connected to thedriver chip 130, and the other end of the fan-outtrace 121 is gathered at one side of thedriver chip 130. Wherein the fan-out trace 121 includes: the display device comprises a first fan-outportion 1211, an adjustingportion 1212 and a second fan-outportion 1213, wherein the first fan-outportion 1211 is connected with thedisplay area 110, the second fan-outportion 1213 is connected with thedriving chip 130, the adjustingportion 1212 is connected with the first fan-outportion 1211 and the second fan-outportion 1213, and the adjustingportion 1212 and the second fan-out portion 1213 have a wiring included angle a; the routing included angles a corresponding to the at least two fan-outtraces 121 are different, and the adjustingportion 1212 makes the lengths of the fan-outtraces 121 the same through patterned routing. Furthermore, the resistances of each fan-out trace 121 of the fan-outarea 120 are the same, which can reduce the load delay of the fan-outarea 120 and improve the display uniformity of thedisplay area 110.

As shown in fig. 2, an embodiment of the present invention provides adisplay panel 100, which includes: adisplay area 110, a fan-out area 120, and adriving chip 130. Thedisplay panel 100 can reduce the load delay of the fan-out area 120 and improve the display uniformity of thedisplay panel 100.

The fan-outarea 120 includes at least two fan-out traces 121, and one end of the fan-outtraces 121 is connected to thedisplay area 110. The other end of the fan-outtrace 121 is connected to thedriving chip 130, the fan-outtrace 121 is diverged at one side of thedisplay area 110, and the fan-outtrace 121 is gathered at one side of thedriving chip 130.

The fan-out trace 121 includes: the display device comprises a first fan-outportion 1211, an adjustingportion 1212 and a second fan-outportion 1213, wherein the first fan-outportion 1211 is connected with thedisplay area 110, the second fan-outportion 1213 is connected with thedriving chip 130, the adjustingportion 1212 is connected with the first fan-outportion 1211 and the second fan-outportion 1213, and the second fan-outportion 1213 is connected with thedriving chip 130. The first fan-outportions 1211 of each fan-outtrace 121 are parallel to each other; the second fan-outportions 1213 of each fan-outtrace 121 are parallel to each other. The first fan-out 1211 of each fan-outtrace 121 has the same length; the second fan-outportion 1213 of each fan-outtrace 121 is the same length. The pitch of the adjacent first fan-outportions 1211 is greater than the pitch of the adjacent second fan-outportions 1213. The adjustingportion 1212 and the second fan-outportion 1213 have a routing included angle a that gradually increases from an edge to a center of the fan-outarea 120. In the present embodiment, the center is thecenter line 122, and the edge is a position far from thecenter line 122.

The routing included angles a corresponding to the at least two fan-outtraces 121 are different, and the adjustingportion 1212 makes the lengths of the fan-outtraces 121 the same through patterned routing. Specifically, the adjustingportions 1212 are patterned to make the lengths of the adjustingportions 1212 of each fan-outtrace 121 the same. Furthermore, the resistances of the fan-out traces 121 are the same, so that the load delay of the fan-outarea 120 can be reduced, and the display uniformity of thedisplay area 110 can be improved.

The shape of the patterned wiring of the adjustingunit 1212 is a waveform. The waveform comprises one or more combinations of square waves, triangular waves, sine waves or cosine waves. The present embodiment is preferably a square wave.

In this embodiment, the adjustingportion 1212 is bent to form the patterned wire.

The adjustingportion 1212 located at the edge of the fan-outarea 120 and the adjustingportion 1212 located at the center of the fan-outarea 120 have different bending periods when the patterned routing is performed by bending. Specifically, the adjustingportion 1212 at the edge has the least or less or almost no bending times when the patterning wiring is performed. For example, as shown in fig. 2, the adjustingportion 1212 at the outermost edge is not bent, so that a bending pattern is not generated, and at this time, the bending period is zero. However, the adjustingportion 1212 located at the center may be bent at the maximum or more times, and the bending period may be a natural number other than zero, which may be set according to the actual resistance value or load.

In one embodiment, thedisplay area 110 further includes: a horizontally disposedgate line 111, and a vertically disposeddata line 112.

The first fan-outportion 1211 connected to the fan-out trace 121 corresponding to thedata line 112; thegate lines 111 are connected to theGOA circuits 140 at the periphery of the display area.

Thedisplay panel 100 provided by the embodiment of the present invention is described in detail above, and the principle and the embodiment of the present invention are explained herein by applying specific examples, and the above description of the embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for those skilled in the art, according to the idea of the present invention, 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 invention.

Claims (10)

1. A display panel, comprising:

a display area;

the fan-out area comprises at least two fan-out wires, one end of each fan-out wire is connected with the display area, and the fan-out wires are in a divergent shape on one side of the display area;

the other end of the fan-out routing is connected with the driving chip, and the fan-out routing is gathered at one side of the driving chip;

wherein, the fan-out is walked the line and is included: the display panel comprises a first fan-out part, an adjusting part and a second fan-out part, wherein the first fan-out part is connected with the display area, the second fan-out part is connected with the driving chip, the adjusting part is connected with the first fan-out part and the second fan-out part, and a wiring included angle is formed between the adjusting part and the second fan-out part;

the wiring included angles of the at least two fan-out wires are different, and the adjusting portion enables the lengths of the fan-out wires to be the same through patterned wiring.

2. The display panel of claim 1,

the shape of the patterned wiring of the adjusting part is a waveform.

3. The display panel of claim 2,

the waveform comprises one or more combinations of square waves, triangular waves, sine waves or cosine waves.

4. The display panel of claim 1,

the adjusting part is bent to form the patterned wiring;

wherein the adjusting part located at the edge of the fan-out area and the adjusting part located at the center of the fan-out area have different bending periods when the patterned wiring is performed by bending.

5. The display panel of claim 1,

the first fan-out parts of each fan-out routing are parallel to each other;

the second fan-out portions of each fan-out trace are parallel to each other.

6. The display panel of claim 1,

the pitch of adjacent first fan-outs is greater than the pitch of adjacent second fan-outs.

7. The display panel of claim 1,

the wiring included angle gradually increases from the edge of the fan-out area to the center of the fan-out area.

8. The display panel of claim 1,

the adjusting part located at the edge of the fan-out area is linear.

9. The display panel of claim 1,

the lengths of the first fan-out parts of each fan-out routing are the same;

the lengths of the second fan-out parts of each fan-out routing are the same;

the adjusting parts enable the lengths of the adjusting parts of the at least two fan-out routing wires to be the same through patterning.

10. The display panel of claim 1,

the display area includes: the scanning lines are horizontally arranged, and the data lines are vertically arranged;

the data lines are connected with first fan-out parts of the corresponding fan-out routing lines;

the scanning lines are connected with GOA circuits on the periphery of the display area.

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