CN111240059A - Display panel and display device - Google Patents
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- CN111240059A CN111240059A CN202010129473.7A CN202010129473A CN111240059A CN 111240059 A CN111240059 A CN 111240059A CN 202010129473 A CN202010129473 A CN 202010129473A CN 111240059 A CN111240059 A CN 111240059A
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- 239000002184 metal Substances 0.000 claims abstract description 80
- 239000000758 substrate Substances 0.000 claims abstract description 33
- 239000010410 layer Substances 0.000 abstract description 87
- 239000011229 interlayer Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a display panel and a display device, and relates to the technical field of display, wherein the display panel comprises a substrate base plate, a first metal layer, a second metal layer and a third metal layer which are sequentially arranged, and a data line group extending along a second direction; the non-display area of the display panel comprises a switch unit and a switch control line unit extending along a first direction, and any data line group at least comprises a first data line and a second data line; the first pole of any switch unit is electrically connected with the first data line or the second data line in a one-to-one correspondence manner; the control end of any switch unit is electrically connected with the switch control line unit through a first connecting wire, the orthographic projection of the first connecting wire and the orthographic projection of the switch control line unit on the substrate are at least partially overlapped, the switch control line unit is arranged on the second metal layer, and the first connecting wire is arranged on the third metal layer. The charging rate of the display panel is favorably improved by increasing the interlayer distance between the switch control line unit and the first connecting line.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
A Liquid Crystal Display (LCD) is one of the most widely used flat panel displays, and has gradually become a Display with a high resolution color screen widely used in various electronic devices such as a mobile phone, a Personal Digital Assistant (PDA), a digital camera, a computer screen, a vehicle-mounted Display screen, or a notebook computer screen. With the development and progress of the liquid crystal display technology, people put forward higher requirements on the display quality, power consumption rate, appearance design and the like of the liquid crystal display, and low power consumption, high efficiency and narrow frame become the goals pursued by people.
Fig. 1 is a cross-sectional view of a non-display area of a display panel in the prior art, referring to fig. 1, wherein a display panel 300 includes a substrate 90, an active layer 91, a first routing layer 96 and a second routing layer 92, in a non-display area of the display panel in the prior art, data lines for providing signals to the display panel are electrically connected to a switch control line unit through routing lines, wherein the data lines and routing lines of connection portions of the data lines and the switch control line unit are disposed in the same layer and are all located on the first routing layer 96, the switch control line unit is located on the second routing layer 92 above the first routing layer 96 where the data lines are located, since an orthographic projection of the routing lines of the connection portions of the data lines and the switch control line unit on the substrate 90 and an orthographic projection of the switch control line unit on the substrate 90 are overlapped in the non-display area, and a layer interval between the first routing layer 96 and the second routing layer 92 is small, therefore, the loading efficiency of the signals transmitted by the switch control line unit is reduced, thereby affecting the charging efficiency of the display panel; therefore, it is highly desirable to improve the charging rate of the display panel by improving the arrangement manner and the arrangement film layer of the routing and switch control line unit at the connection portion of the data line and the switch control line unit in the non-display area of the display panel.
Disclosure of Invention
In view of the above, the present invention provides a display panel and a display device, so as to improve the problem that the distance between the trace of the connection portion of the data line and the switch control line unit in the non-display area of the display panel and the switch control line unit is short, thereby improving the charging rate of the display panel.
In a first aspect, the present application provides a display panel, including a substrate base plate, a first metal layer, a second metal layer, and a third metal layer, where, in a direction perpendicular to a plane of the substrate base plate, the first metal layer is disposed between the second metal layer and the substrate base plate, and the second metal layer is disposed between the first metal layer and the third metal layer;
the display panel comprises a display area and a non-display area, wherein the non-display area surrounds the display area; the display panel further comprises a plurality of gate lines extending along a first direction and arranged along a second direction and a plurality of data line groups arranged along the first direction and extending along the second direction, wherein the first direction and the second direction are intersected;
the non-display area of the display panel further comprises a plurality of switch units and a switch control line unit, the switch control line unit comprises at least two switch control lines which extend along a first direction and are arranged along a second direction, and any one data line group at least comprises a first data line and a second data line;
the first pole of any one switch unit is electrically connected with the first data line or the second data line in a one-to-one correspondence manner; the control end of any one of the switch units is electrically connected with the switch control line unit through a first connecting wire, the orthographic projection of the first connecting wire on the substrate base plate is at least partially overlapped with the orthographic projection of the switch control line unit on the substrate base plate, the switch control line unit is arranged on the second metal layer, and the first connecting wire is arranged on the third metal layer.
In a second aspect, the present application provides a display device comprising a display panel.
Compared with the prior art, the display panel and the display device provided by the invention at least realize the following beneficial effects:
this application is through in display panel's non-display area, set up a plurality of switch units between data line and switch control line unit, and walk the line setting at the third metal level through the first connection with electric connection switch unit and switch control line unit, with switch control line unit setting at the second metal level, through walking the line cross-layer setting with first connection, increase the distance between the line was walked to switch control line unit and first connection, thereby reduce switch control line unit and first connection and walk the electric capacity between the metal layer between the line, be favorable to promoting display panel's charge rate.
Of course, it is not necessary for any product in which the present invention is practiced to achieve all of the above-described technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a cross-sectional view of a non-display area of a display panel according to the prior art;
fig. 2 is a top view of a display panel according to an embodiment of the present disclosure;
FIG. 3 is an enlarged view of a portion of area C of FIG. 2 according to an exemplary embodiment of the present disclosure;
FIG. 4 is an AA' cross-sectional view of FIG. 3 according to an embodiment of the present application;
FIG. 5 is a cross-sectional view of a BB' of FIG. 3 according to an embodiment of the present disclosure;
fig. 6 is a circuit diagram corresponding to fig. 3 according to an embodiment of the present application;
FIG. 7 is an enlarged view of a portion of area D of FIG. 6 according to an exemplary embodiment of the present disclosure;
FIG. 8 is an enlarged, fragmentary view of area C of FIG. 2 according to an exemplary embodiment of the present disclosure;
FIG. 9 is an enlarged view of a portion of a circuit in the area E of FIG. 2 according to an embodiment of the present disclosure;
fig. 10 is a schematic view of a display device according to an embodiment of the present disclosure.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the prior art, as shown in fig. 1, in a non-display area of a display panel, a data line for providing a signal to the display panel is electrically connected to a switch control line unit, where the data line and a routing line of a connection portion of the data line and the switch control line unit are disposed on the same layer and are both located on a first routing layer 96, and the switch control line unit is located on a second routing layer 92 above the first routing layer 96 where the data line is located, because an orthogonal projection of the routing line of the connection portion of the data line and the switch control line unit on a substrate 90 overlaps with an orthogonal projection of the switch control line unit on the substrate 90 in the non-display area, and a layer interval between the first routing layer 96 and the second routing layer 92 is small, a loading efficiency of the signal transmitted by the switch control line unit is reduced, thereby affecting a charging efficiency of the display panel; therefore, it is highly desirable to improve the charging rate of the display panel by improving the arrangement manner and the arrangement film layer of the routing and switch control line unit at the connection portion of the data line and the switch control line unit in the non-display area of the display panel.
In view of the above, the present invention provides a display panel and a display device, so as to improve the problem that the distance between the trace of the connection portion of the data line and the switch control line unit in the non-display area of the display panel and the switch control line unit is short, thereby improving the charging rate of the display panel.
Fig. 2 is a top view of a display panel according to an embodiment of the present invention, fig. 3 is a partially enlarged view of a region C in fig. 2 according to an embodiment of the present invention, fig. 4 is an AA 'cross-sectional view of fig. 3 according to an embodiment of the present invention, fig. 5 is a BB' cross-sectional view of fig. 3 according to an embodiment of the present invention, fig. 6 is a circuit diagram corresponding to fig. 3 according to an embodiment of the present invention, and fig. 7 is a partially enlarged view of a region D in fig. 6 according to an embodiment of the present invention; referring to fig. 2-7, the present application provides a display panel 100, which includes a substrate 10, a first metal layer 16, a second metal layer 12 and a third metal layer 13, wherein in a direction perpendicular to a plane of the substrate 10, the first metal layer 16 is disposed between the second metal layer 12 and the substrate 10, and the second metal layer 12 is disposed between the first metal layer 16 and the third metal layer 13;
referring to fig. 2, the display panel 100 includes a display area 01 and a non-display area 02, wherein the non-display area 02 surrounds the display area 01; the display panel 100 further includes a plurality of gate lines 14 extending along a first direction and arranged along a second direction, and a plurality of data line groups 160 arranged along the first direction and extending along the second direction, wherein the first direction and the second direction intersect;
referring to fig. 6, the non-display area 02 of the display panel 100 further includes a plurality of switch units 60 and a switch control line unit 50, the switch control line unit 50 includes at least two switch control lines 51/52/53/54 extending along a first direction and arranged along a second direction, and any data line group 160 includes at least a first data line 151/153 and a second data line 152/154;
the first pole 62 of any switch unit 60 is electrically connected to the first data line 151/153 or the second data line 152/154 in a one-to-one correspondence; the control end 61 of any switch unit 60 is electrically connected to the switch control line unit 50 through a first connection trace 64, an orthographic projection of the first connection trace 64 on the substrate 10 is at least partially overlapped with an orthographic projection of the switch control line unit 50 on the substrate 10, the switch control line unit 50 is disposed on the second metal layer 12, and the first connection trace 64 is disposed on the third metal layer 13.
Specifically, referring to fig. 2, the display panel 100 provided in the embodiment of the present application includes a display area 01 and a non-display area 02, where the non-display area 02 is disposed around the display area 01, the display panel 100 further includes a plurality of gate lines 14 extending along a first direction and arranged along a second direction, and a plurality of data line groups 160 arranged along the first direction and arranged along the second direction, where the first direction intersects with the second direction, or specifically, the first direction is perpendicular to the second direction. It should be noted that fig. 2 only schematically shows the structure of the display panel 100, and does not represent the actual scale of the non-display area 02 and the display area 01 of the display panel 100, and the area of the non-display area of the display panel is usually very small to meet the requirement of a narrow frame of the display panel.
Referring to fig. 4, the display panel 100 includes a substrate 10, and an active layer 11, a first metal layer 16, a second metal layer 12, and a third metal layer 13 sequentially disposed on one side of the substrate 10, wherein insulating layers 09 are disposed between film structures of the substrate 10, the first metal layer 16, the second metal layer 12, and the third metal layer 13, so as to prevent adhesion of metal traces during wiring among the metal layers, thereby improving production yield of the display panel 100 and ensuring normal display effect of the display panel 100.
It should be further noted that fig. 2 is a schematic diagram of the display panel 100, wherein a portion of the routing structure between the data line group 100 and the driving chip 30 is not shown in detail, and will be described in detail with reference to the following description. Fig. 6 shows a schematic diagram of the display panel 100 including the switch unit 60 between the data line group 160 and the switch control line unit 50 in the non-display area 02, please refer to fig. 3, 6 and 7, in this embodiment, the non-display area 02 of the display panel 100 further includes a plurality of switch units 60 and a switch control line unit 50, the switch unit 60 is disposed between the switch control line unit 50 and the data line group 160, and is used as a bridge for electrically connecting the switch control line unit 50 and the data line group 160; the switch control line unit 50 includes at least two switch control lines 51/52/53/54 extending along a first direction and arranged along a second direction, and each data line group 160 includes at least a first data line 151/153 and a second data line 152/154; any switch unit 60 and the first pole 62 are electrically connected to the first data line 151/153 and the second data line 152/154 in a one-to-one correspondence, and the control terminal 61 of any switch unit 60 is electrically connected to the switch control line unit 50 through the first connection trace 64. The switch control line unit 50 in the display panel 100 is electrically connected to the driving chip 30, and the driving chip 30 transmits the driving signal to the corresponding electrically connected data line via each switch unit 60 through the switch control line unit 50, so that the display area 01 of the display panel 100 receives the driving signal, thereby ensuring the normal display function of the display panel 100 in combination with the gate line 14.
It should be noted that the present application does not limit the number of data lines included in one data line group 160, and does not limit the number of switch control lines included in one switch control line unit 50, and only provides a preferred arrangement: the number of switch control lines is twice the number of data lines included in one data line group 160; the switch unit 60 disposed between the data line group 160 and the switch control line unit 50 is not an essential element, and the data line and the switch control line unit 50 may be electrically connected through a first connection trace 64 as shown in fig. 3.
Referring to fig. 2 to 5, in the non-display area 02 of the display panel 100 provided in the embodiment of the present application, an orthogonal projection of the first connection trace 64 (the first connection trace 64 that can be electrically connected to the data line finally) connected to the control end 61 of the switch unit 60 on the substrate 10 is at least partially overlapped with an orthogonal projection of the switch control line unit 50 on the substrate 10, as shown in fig. 5, in the present application, the first connection trace 64 originally disposed on the first metal layer 16 in the prior art is disposed on the third metal layer 13 of the display panel 100 through a cross layer, wherein the first connection trace 64 disposed on the third metal layer 13 is electrically connected to the data line 154 still disposed in the first metal layer 16 through a via 65, and the switch control line unit 50 is still disposed on the second metal layer 12; because the interlayer distance between the first metal layer 16 and the second metal layer 12 in the conventional display panel 100 is small, and the interlayer distance between the second metal layer 12 and the third metal layer 13 is large, the interlayer distance between the first connection line 64 electrically connected to the data line through the switch unit 60 and the switch control line unit 50 is increased by arranging the first connection line 64 in the third metal layer 13 in a cross-layer manner, so that the inter-metal capacitance between the switch control line unit 50 and the first connection line 64 is reduced, when the driving chip 30 transmits the driving signal to the switch control line unit 50, because the inter-layer capacitance associated therewith is reduced, the charging and discharging rate in the capacitance is accelerated, and the charging rate of the display panel 100 is improved. It should be noted that fig. 5 shows an embodiment in which the data lines are disposed on the first metal layer 16, and the present application is not limited thereto, and the data lines may also be disposed on the third metal layer 13 without affecting the normal operation of the display panel 100, and at this time, the data lines can be electrically connected to the first connecting traces 64 disposed in the third metal layer 13 without crossing the lines through the vias 65, so that the process for manufacturing the display panel 100 can be simplified.
Fig. 6 shows a schematic diagram of the display panel 100 including the switch unit 60 between the data line group 160 and the switch control line unit 50 in the non-display area 02, please refer to fig. 2, 3 and 6, alternatively, the switch control line unit 50 includes a first switch control line 51, a second switch control line 52, a third switch control line 53 and a fourth switch control line 54 arranged along a first direction and extending along a second direction, the first switch control line 51 and the third switch control line 53 receive the first driving signal, and the second switch control line 52 and the fourth switch control line 54 receive the second driving signal.
Specifically, the present application provides an embodiment in which the switch control line unit 50 may include four switch control lines 51/52/53/54, specifically, a first switch control line 51, a second switch control line 52, a third switch control line 53, and a fourth switch control line 54, all arranged in the first direction and extending in the second direction; the present application defines that the first switch control line 51 and the third switch control line 53 receive the same driving signal, i.e. the first driving signal, and that the second switch control line 52 and the fourth switch control line 54 receive the second driving signal at the same time; in addition, the first switch control line 51 and the third switch control line 53 in the display panel 100 of the present application are respectively connected to the first data line 151/153 in the two data line groups 160 that are adjacently disposed, and the second switch control line 52 and the fourth switch control line 54 are respectively connected to the second data line 152/154 in the two data line groups 160 that are adjacently disposed, that is, the first signal line in each data line group 160 in the display panel 100 receives the first driving signal, and the second signal line in each data line group 160 receives the second driving signal, so that the data lines that receive the same driving signal are uniformly disposed in the display panel 100, thereby the uniformity of the display effect of the display panel 100 can be ensured, and the situation that the difference of the display effect of each area in the same display panel 100 is large is avoided. Certainly, if only in order to reduce the power consumption of the display panel, it is not limited that the data lines in the two adjacent sets of data line groups 160 are electrically connected to the first switch control line 51, the second switch control line 52, the third switch control line 53, and the fourth switch control line 54, and only that the data lines in the display panel 100 are electrically connected to the plurality of switch control lines 51/52/53/54 is required.
With continued reference to fig. 2, 3 and 6, optionally, the first data line 151/153 is electrically connected to the switch control lines 51 and 53 receiving the first driving signal, and the second data line 152/154 is electrically connected to the switch control lines 52 and 54 receiving the second driving signal.
Specifically, when only the first data line 151/153 and the second data line 152/154 are included in each data line group 160 in the display panel 100 and the driving signal supplied to the switching control line unit 50 includes only the first driving signal and the second driving signal, the first data line 151/153 in each data line group 160 in the same display panel 100 is electrically connected to the switching control lines 51 and 53 receiving the first driving signal, and the second data line 152/154 in each data line group 160 is electrically connected to the switching control lines 52 and 54 receiving the second driving signal.
It should be noted that, the number of data lines included in one data line group 160 is not limited in the present application, but it is preferable that the number of data lines in each data line group 160 in the same display panel 100 is set to be the same; in the present application, the number of the switch control lines and the number of the data lines in each data line group 160 have a certain corresponding relationship, for example, if the number of the data lines in each data line group 160 is k, and the number of the switch control lines is n, then n is 2 k; referring to fig. 8, for example, when each data line group 160 includes 3 data lines, i.e., a first data line 151/153, a second data line 152/154 and a third data line 155/156, the number of the switch control lines is 6, so that a first data line 151/153 of two data line groups 160 disposed adjacently can be electrically connected to a first switch control line 51 and a fourth switch control line 54, a second data line 152/154 is electrically connected to a second switch control line 52 and a fifth switch control line 55, and a third data line 155/156 is electrically connected to a third switch control line 53 and a sixth switch control line 56.
Referring to fig. 6 and fig. 7, optionally, the display panel 100 further includes a plurality of first wires 61, and any one of the first wires 61 is electrically connected to the second pole 63 of the switch unit 60 electrically connected to the first data line 151/153 and the second data line 152/154 in the same data line group 160 at the same time.
Specifically, taking only the first data line 151/153 and the second data line 152/154 in each data line group 160 as an example in the present application, the non-display area 02 of the display panel 100 provided in the embodiment of the present application further includes a plurality of first traces 61, and any one of the first traces 61 is electrically connected to the second pole 63 of the switch unit 60 electrically connected to the first data line 151/153 and the second data line 152/154 in the same data line group 160 at the same time, that is, one of the first traces 61 is electrically connected to the first data line 151/153 and the second data line 152/154 in the same data line group 160 through two opening cells 60 that are connected to each other.
Referring to fig. 4 and fig. 6, optionally, an orthographic projection of the first trace 61 on the substrate base plate 10 and an orthographic projection of the switch control line unit 50 on the substrate base plate 10 at least partially overlap.
Specifically, in the present application, an orthogonal projection of the first trace 61 electrically connected to the same data line group 160 on the substrate 10 at least partially overlaps an orthogonal projection of the switch control line unit 50 on the substrate 10, optionally, the first trace 61 is disposed on the first metal layer 16; or, optionally, wherein the first trace 61 is disposed on the third metal layer 13; for example, when the switch unit 60 is disposed in the first metal layer 16, because the first trace 61 is electrically connected to the second pole 63 of the switch unit 60, when the first trace 61 is disposed in the first metal layer 16, if the switch unit 60 is also disposed in the first metal layer 16, the first trace 61 and the switch unit 60 are disposed in the same metal layer, and no cross-line trace is needed, which is beneficial to reducing the trace complexity; for example, when the switch unit 60 is disposed in the first metal layer 16, since the first trace 61 is electrically connected to the second pole 63 of the switch unit 60, if the first trace 61 is disposed in the third metal layer 13, the first trace 61 and the switch unit 60 are disposed in different metal layers, and at this time, the first trace 61 and the switch unit 60 need to be electrically connected through a via.
It should be noted that, in the present application, it is not limited that the first traces 61 in the same display panel 100 are all disposed on the same metal layer, and a part of the first traces 61 may be disposed on the first metal layer 16, and another part of the first traces 61 is disposed on the third metal layer 13. When the first wire 61 is disposed in the third metal layer 13, the interlayer distance between the first wire 61 and the switch control line unit 50 is larger than that when the first wire 61 is disposed in the first metal layer 16, and then the inter-metal layer capacitance between the first wire 61 and the switch control line unit 50 due to the overlapping of the orthographic projection portions is also reduced, which is beneficial to improving the charging rate of the display panel 100.
Fig. 9 is an enlarged partial circuit diagram of an area E in fig. 2 according to an embodiment of the present disclosure, referring to fig. 2 and fig. 9, optionally, the non-display area 02 of the display panel 100 further includes at least one driving chip 30, and the first traces 61 are electrically connected to the driving chip 30.
Specifically, the non-display area 02 of the display panel 100 provided by the present application further includes at least one driving chip 30, the driving chip 30 is disposed on the flexible circuit board 40, the driving chip 30 is configured to provide a driving signal for the display panel 100, and the first wires 61 can be electrically connected to the driving chip 30, so that the driving chip 30 can transmit the driving signal to the data lines in the display panel 100 through the first wires 61 to control the display effect of the display panel 100.
With continued reference to fig. 2 and 9, optionally, all the switch control lines in the switch control line unit 50 are electrically connected to the driving chip 30.
Specifically, all the switch control lines in the switch control line unit 50 are also electrically connected to the driving chip 30, for example, when the switch control line unit 50 only includes the first switch control line 51, the second switch control line 52, the third switch control line 53 and the fourth switch control line 54, the driving chip 30 is electrically connected to the first switch control line 51 and the third switch control line 53, and transmits the first driving signal to the first switch control line 51 and the third switch control line 53; the driving chip 30 is electrically connected to the second switch control line 52 and the fourth switch control line 54, and provides a second driving signal to the second switch control line 52 and the fourth switch control line 54, wherein the first driving signal and the second driving signal can be alternately transmitted at different times, and when the first driving signal and the second driving signal are transmitted to the data lines in the display panel 100, the display effect generated can be different.
Fig. 1 is a schematic view of a display device according to an embodiment of the present application, and referring to fig. 1, based on the same inventive concept, the present application further provides a display device 200, where the display device 200 includes a display panel 100, and the display panel 100 is any one of the display panels 100 provided in the present application.
It should be noted that, for the embodiments of the display device 200 provided in the embodiments of the present application, reference may be made to the embodiments of the display panel 100, and repeated descriptions are omitted. The display device 200 provided by the present application may be: any product and component with a display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a vehicle-mounted display screen, a navigator and the like.
As can be seen from the above embodiments, the display panel and the display device provided by the present invention at least achieve the following advantages:
this application is through in display panel's non-display area, set up a plurality of switch units between data line and switch control line unit, and walk the line setting at the third metal level through the first connection with electric connection switch unit and switch control line unit, with switch control line unit setting at the second metal level, through walking the line cross-layer setting with first connection, increase the distance between the line was walked to switch control line unit and first connection, thereby reduce switch control line unit and first connection and walk the electric capacity between the metal layer between the line, be favorable to promoting display panel's charge rate.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. A display panel is characterized by comprising a substrate base plate, a first metal layer, a second metal layer and a third metal layer, wherein in the direction perpendicular to the plane of the substrate base plate, the first metal layer is arranged between the second metal layer and the substrate base plate, and the second metal layer is arranged between the first metal layer and the third metal layer;
the display panel comprises a display area and a non-display area, wherein the non-display area surrounds the display area; the display panel further comprises a plurality of gate lines extending along a first direction and arranged along a second direction and a plurality of data line groups arranged along the first direction and extending along the second direction, wherein the first direction and the second direction are intersected;
the non-display area of the display panel further comprises a plurality of switch units and a switch control line unit, the switch control line unit comprises at least two switch control lines which extend along a first direction and are arranged along a second direction, and any one data line group at least comprises a first data line and a second data line;
the first pole of any one switch unit is electrically connected with the first data line or the second data line in a one-to-one correspondence manner; the control end of any one of the switch units is electrically connected with the switch control line unit through a first connecting wire, the orthographic projection of the first connecting wire on the substrate base plate is at least partially overlapped with the orthographic projection of the switch control line unit on the substrate base plate, the switch control line unit is arranged on the second metal layer, and the first connecting wire is arranged on the third metal layer.
2. The display panel according to claim 1, wherein the switch control line unit includes a first switch control line, a second switch control line, a third switch control line, and a fourth switch control line arranged in a first direction and extending in a second direction, the first switch control line and the third switch control line receiving a first driving signal, the second switch control line and the fourth switch control line receiving a second driving signal.
3. The display panel according to claim 2, wherein the first data line is electrically connected to the switch control line that receives the first driving signal, and wherein the second data line is electrically connected to the switch control line that receives the second driving signal.
4. The display panel according to claim 1, wherein the display panel further comprises a plurality of first traces, and any one of the first traces is electrically connected to a second pole of the switch unit electrically connected to the first data line and the second data line in the same data line group at the same time.
5. The display panel according to claim 4, wherein an orthographic projection of the first traces on the substrate base plate at least partially overlaps with an orthographic projection of the switch control line unit on the substrate base plate.
6. The display panel according to claim 5, wherein the first trace is disposed on the first metal layer.
7. The display panel according to claim 5, wherein the first trace is disposed on the third metal layer.
8. The display panel according to claim 6 or 7, wherein the non-display area of the display panel further comprises at least one driving chip, and the first traces are electrically connected to the driving chip.
9. The display panel according to claim 8, wherein all the switch control lines in the switch control line unit are electrically connected to the driving chip.
10. A display device characterized by comprising the display panel according to any one of claims 1 to 9.
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| CN202010129473.7A CN111240059A (en) | 2020-02-28 | 2020-02-28 | Display panel and display device |
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| CN202010129473.7A CN111240059A (en) | 2020-02-28 | 2020-02-28 | Display panel and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111785226A (en) * | 2020-07-08 | 2020-10-16 | Tcl华星光电技术有限公司 | Signal transmission line structure and display panel |
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