CN107991799B - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN107991799B CN107991799B CN201810001437.5A CN201810001437A CN107991799B CN 107991799 B CN107991799 B CN 107991799B CN 201810001437 A CN201810001437 A CN 201810001437A CN 107991799 B CN107991799 B CN 107991799B
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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
-
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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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
- G02F1/136204—Arrangements to prevent high voltage or static electricity failures
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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
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
- G11C19/28—Digital stores in which the information is moved stepwise, e.g. shift registers using semiconductor elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0286—Details of a shift registers arranged for use in a driving circuit
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0257—Reduction of after-image effects
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Geometry (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The application discloses a display panel and a display device, and relates to the technical field of display, wherein a display area of the display panel is provided with an arc-shaped boundary; the display panel comprises a plurality of gate lines and a plurality of data signal lines, wherein in the display area, each gate line extends along a first direction and is arranged along a second direction, and each data signal line is arranged along the first direction and extends along the second direction; the non-display area is provided with a plurality of grid driving circuits, each grid driving circuit comprises a plurality of cascaded shift registers, and the shift registers are electrically connected with corresponding grid lines respectively; the non-display area is also provided with a first circuit placing area, and the first circuit placing area is positioned on one side of the arc boundary, which is far away from the display area; in the non-display area at the arc-shaped boundary, the gate line led out from the shift register is wound from one side of the first circuit placing area to the display area; in the non-display area at the arc-shaped boundary, the data signal line is located between the first circuit placement area and the display area. According to the scheme, the display effect of the display panel and the display device is improved.
Description
Technical Field
The present application relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
With the development of science and technology, the display device with the display panel has more and more extensive applications, so that the requirements of people on the display panel are more and more diversified, the requirements are not only met with the conventional performance indexes of the display panel, such as large size, high definition and the like, but also more diversified requirements are met on the appearance of the display panel, and the special-shaped display panel is formed.
The display panel breaks through the limitation of a single rectangular structure of the display panel, so that not only the display effect is more diversified, but also the application way of the display panel is more and more extensive, and the display panel is successfully applied to wearable electronic designs such as watches, glasses or intelligent bracelets. Compared with a conventional display screen, the special-shaped display screen is mainly different in that a display area of the special-shaped display screen is in a non-rectangular special shape, and generally, pixel units in the display screen are mostly in a rectangular structure or other more regular structures. Fig. 1 shows a schematic structural diagram of a display panel in the prior art, a fillet area a appears in a display area 301 of the display panel 300, in order to ensure the overall aesthetic property of the display device, a non-display area 302 corresponding to the fillet area needs to be cut in a special shape, so that the area of the non-display area 302 is reduced, and meanwhile, in order to implement a narrow frame design of the display panel, the area of the non-display area 302 is further reduced, which leads to a tight layout space of the non-display area 302, there will be insufficient space on the display panel 300 to place peripheral circuits such as an electrostatic discharge circuit, etc., static electricity generated in a manufacturing process of the display panel 300 will remain inside the display panel 300 and cannot be discharged, so that abnormal display phenomena such as flicker, image sticking, etc., appear in a display process of the display panel 300, and the display effect of the display panel 300 is greatly reduced.
Disclosure of Invention
In view of this, the technical problem to be solved in the present application is to provide a display panel and a display device, which perform reasonable layout on a circuit in a non-display area of the display panel, so as to be beneficial to implementing a narrow frame design of the display panel and the display device, and also reserve a space for placing a peripheral protection circuit, and avoid abnormal display phenomena such as flicker and residual image in a display process of the display panel by setting the peripheral protection circuit, so as to be beneficial to improving the display effect of the display panel and the display device.
In order to solve the technical problem, the following technical scheme is adopted:
in a first aspect, the present application provides a display panel, which is provided with a display area and a non-display area disposed around the display area, wherein the display area of the display panel has an arc-shaped boundary;
the display panel comprises a plurality of gate lines and a plurality of data signal lines, each gate line extends along a first direction and is arranged along a second direction in the display area, each data signal line is arranged along the first direction and extends along the second direction, and the first direction and the second direction are intersected;
the non-display area is provided with a plurality of gate driving circuits, each gate driving circuit comprises a plurality of cascaded shift registers, and the shift registers are electrically connected with corresponding gate lines respectively;
the non-display area is also provided with a first circuit placing area, and the first circuit placing area is positioned on one side of the arc-shaped boundary, which is far away from the display area;
the gate lines led out from the shift register are routed from one side of the first circuit placing area to the display area at the non-display area at the arc-shaped boundary;
the data signal line is located between the first circuit placement area and the display area in the non-display area at the arc-shaped boundary.
In a second aspect, the present application further provides a display device, including a display panel, where the display panel is the display panel provided in the present application.
Compared with the prior art, this application display panel and display device, reached following effect:
in the display panel and the display device provided by the invention, the display area is provided with an arc boundary, the non-display area is provided with a first circuit placing area, in the non-display area corresponding to the arc boundary, the gate lines led out from the shift register are wound to the display area from one side of the first circuit placing area, the data signal lines are positioned between the first circuit placing area and the display area, the gate lines and the data signal lines adopt the wiring mode, the narrow frame design of the display panel and the display device is favorably realized, the first circuit placing area can be vacated in the non-display area of the display panel, this first circuit is placed the district and can be used for placing the static discharge circuit, can also be used for placing the public potential bus, and the district is placed to first circuit in the non-display area of display panel in this application, and the user can place required peripheral protection circuit etc. according to actual need, is favorable to increasing display panel and display device additional function. For example, when the electrostatic discharge circuit is placed in the first circuit placement area, normal display of the display panel can be ensured, static electricity generated inside the display panel can be effectively released, abnormal display phenomena such as flicker and residual image of the display panel in the display process can be avoided, and the display effect of the display panel and the display device can be improved.
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 included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic diagram of a prior art display panel;
fig. 2 is a schematic view illustrating a display panel according to an embodiment of the present disclosure;
fig. 3 is a schematic circuit diagram of a display panel according to an embodiment of the present disclosure;
FIG. 4 is an enlarged view of the arcuate boundary of FIG. 3;
FIG. 5 is another enlarged view of the arcuate boundary of FIG. 3;
FIG. 6 is another enlarged view of the arcuate boundary of FIG. 3;
fig. 7 is a cross-sectional view of a display panel according to an embodiment of the present application;
fig. 8 is a schematic layout view of a portion of touch electrodes in a display panel according to an embodiment of the present disclosure;
fig. 9 is a partial circuit structure diagram of a display panel located in a display area according to an embodiment of the present disclosure;
fig. 10 is a cross-sectional view of another display panel provided in an embodiment of the present application;
fig. 11 is a schematic structural diagram of a display device according to an embodiment of the present disclosure.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.
Fig. 2 is a schematic diagram illustrating a configuration of a display panel according to an embodiment of the present invention, and fig. 3 is a schematic diagram illustrating a circuit configuration of a display panel according to an embodiment of the present invention, where a display panel 100 is provided, and referring to fig. 2, the display panel 100 is provided with a display area 101 and a non-display area 102 disposed around the display area 101, and the display area 101 of the display panel 100 has an arc-shaped boundary 103;
referring to fig. 3, the display panel 100 includes a plurality of gate lines 81 and a plurality of data signal lines 82, each gate line 81 extending in a first direction and arranged in a second direction, each data signal line 82 arranged in the first direction and extending in the second direction in a display area 101, the first direction and the second direction intersecting;
the non-display area 102 is provided with a plurality of gate driving circuits, each gate driving circuit includes a plurality of cascaded shift registers 33, and the shift registers 33 are electrically connected with the corresponding gate lines 81 respectively;
the non-display area 102 is further provided with a first circuit placing area 90, and the first circuit placing area 90 is positioned on one side of the arc-shaped boundary 103 far away from the display area 101;
in the non-display area at the arc-shaped boundary 103, the gate line 81 drawn from the shift register 33 is routed from the side of the first circuit placing area 90 to the display area 101;
in the non-display area at the arc-shaped boundary 103, the data signal line 82 is located between the first circuit placing area 90 and the display area 101.
Specifically, referring to fig. 2, in order to meet the requirement of the display panel 100 for diversified appearance and make the display panel 100 more beautiful, the display area 101 of the display panel 100 provided in the embodiment of the present application has an arc-shaped boundary 103. Referring to fig. 3, the display panel 100 includes a plurality of gate lines 81 and a plurality of data signal lines 82 crossing the gate lines 81, the gate lines 81 and the data signal lines 82 are both straight lines, each gate line 81 extends along a first direction and is arranged along a second direction, and each data signal line 82 is arranged along the first direction and extends along the second direction in the display area 101; a plurality of cascaded shift registers 33 are provided in the non-display region 102, and each shift register 33 is electrically connected to a corresponding gate line 81 and supplies a gate driving signal to the corresponding gate line 81. Particularly, the non-display area 102 on the side of the arc-shaped boundary 103 away from the display area 101 on the display panel 100 of the present application is further provided with a first circuit placing area 90, and the first circuit placing area 90 can be used for placing an electrostatic discharge circuit for discharging the static electricity generated inside the display panel 100, so as to avoid the display panel from generating abnormal display phenomena such as flicker, image sticking and the like in the display process, thereby being beneficial to improving the display effect of the display panel 100. In addition, in the non-display area at the arc-shaped boundary 103, the gate lines 81 led out from the shift register 33 are curved, these gate lines 81 are routed from one side of the first circuit placing area 90 to the display area, and after the data signal lines 82 reach the area of the arc-shaped boundary 103, the data signal lines 82 are routed between the first circuit placing area 90 and the display area 101, and also bypass the first circuit placing area 90, the gate lines 81 and the data signal lines 82 are routed in such a manner that the gate lines 81 and the data lines do not affect the normal signal transmission function, and the first circuit placing area 90 can be left in the non-display area 102, for example, peripheral circuits such as an electrostatic discharge circuit can be placed thereon, see fig. 4, in which fig. 4 is an enlarged schematic view of the arc-shaped boundary in fig. 3, in the embodiment shown in fig. 4, the electrostatic discharge circuit 92 is placed on the first circuit placing area 90, and each data signal line 82 led out from the display area is divided into two branches, the display panel is characterized by being respectively a first branch 821 and a second branch 822, wherein the first branch 821 is used for being electrically connected with the electrostatic discharge circuit 92, the second branch 822 is used for being connected with a driving chip, a plurality of connecting terminals (not shown in the figure) are arranged in the electrostatic discharge circuit 92, and each connecting terminal is correspondingly and electrically connected with the first branch 821 of the data signal line 82, so that static electricity in the display panel can be introduced into the electrostatic discharge circuit 92 through the first branch 821, the electrostatic discharge circuit 92 discharges the static electricity, an electrostatic protection effect is achieved on the display panel, and the influence of the static electricity on the display effect of the display panel is favorably avoided. It should be noted that the connection relationship between the 3 data signal lines 82 and the electrostatic discharge circuit 92 is only schematically shown in the embodiment shown in fig. 4, and other data signal lines 82 may be implemented with reference to this. In addition, among the prior art's display panel, place the non-display area at the display area top or place the non-display area between display area and driver chip with electrostatic discharge circuit usually, be connected with a branch road electricity of data signal line equally, the space in the non-display area that this kind of arrangement mode of electrostatic discharge circuit took is great, be unfavorable for realizing display panel's narrow frame design, and the non-display area of district setting in display area arc border department corner position is placed to the first circuit of this application, the space in non-display area has rationally been utilized, still be favorable to realizing display panel's narrow frame design.
Optionally, with continued reference to fig. 3, the non-display area 102 is further provided with a driving chip 91, and both the driving chip 91 and the arc-shaped boundary 103 are disposed near the first side of the display panel 100.
In general, when the display panel 100 has a structure similar to a rectangle, referring to fig. 3, the driving chip 91 is generally disposed in the non-display region at the bottom end position of the display panel 100 to provide a gate driving signal, a source driving signal, a clock signal, etc. for normal display of the display panel 100. For making the whole of display panel 100 more pleasing to the eye, this application designs two angles of display panel 100 bottom (being display panel 100's first side, also be close to the one side of driver chip 91) into the arc structure, introduces arc boundary 103 at display area 101 promptly, carries out the dysmorphism cutting with the non-display area that corresponds simultaneously, also forms the arc structure to make display panel 100's whole lines more smooth, the appearance is more pleasing to the eye.
Alternatively, referring to fig. 4, in the non-display area at the arc-shaped boundary, the gate lines 81 drawn from the shift register 33 are routed from the first circuit placing area 90 to the display area 101 from the side of the first side of the display panel 100.
Specifically, referring to fig. 4, in the non-display region at the arc-shaped boundary 103, from the first side far from the display panel 100 to the first side near the display panel 100, the shift register 33 gradually approaches the display region 101, and the gate lines 81 led out from the shift register 33 are not connected to the display region 101 by a straight line connection, but extend upward (i.e., extend to the first side far from the display panel 100), bypass the first circuit placement region 90, and finally enter the display region. The gate line 81 adopts such a winding manner, a position of a whole corner can be left in a non-display area at an arc-shaped boundary as a first circuit placing area 90, the first circuit placing area 90 is enough for placing an electrostatic discharge circuit, static electricity inside the display panel is released, influence of the static electricity on normal display of the display panel is avoided, and the display effect of the display panel 100 is favorably improved.
Optionally, referring to fig. 3, the display area 101 further has a first straight boundary 71 and a second straight boundary 72, an extension line of the first straight boundary 71 is perpendicular to an extension line of the second straight boundary 72, the second straight boundary 72 is disposed near the first side, and the arc-shaped boundaries 103 are respectively connected with the first straight boundary 71 and the second straight boundary 72;
in the non-display area at the arc-shaped boundary 103, the gate line 81 led out from the shift register 33 includes a first bent portion 810, and the gate line 81 is wound to the display area 101 through the first bent portion 810; the first bent part 810 is located at a side of the extension line of the first straight boundary 71 away from the display area 101, and/or the first bent part 810 is located at a side of the extension line of the first straight boundary 71 close to the display area 101.
Specifically, in conjunction with fig. 3 and 4, the display area 101 has a vertical first straight boundary 71, an arc-shaped boundary 103, and a horizontal second straight boundary 72, the first straight boundary 71 being connected to the second straight boundary 72 by the arc-shaped boundary 103. In the non-display area at the arc-shaped boundary 103, the gate lines 81 led out from the shift register 33 go up around the first circuit placement area 90 and then go down into the display area 101, and each gate line 81 has a bent portion 810 in a part of the area, and in the embodiment shown in fig. 4, a part of the bent portions 810 corresponding to these gate lines 81 is located on the side where the extension line of the first straight line boundary 71 is far from the display area 101, and another part is located on the side where the extension line of the first straight line boundary 71 is near the display area 101, so that the first circuit placement area 90 is made free at the corner position of the non-display area at the arc-shaped boundary 103 for placing peripheral circuits such as an electrostatic discharge circuit. In addition to such a wiring manner, fig. 5 is another enlarged schematic view of the arc-shaped boundary 103 in fig. 3, in this embodiment, in the non-display area of the arc-shaped boundary 103, the bent portions 810 of the gate lines 81 led out from the shift registers 33 are all located on one side of the extension line of the first straight line boundary 71, which is close to the display area 101, when such a wiring manner is adopted, the shift registers 33 located in the non-display area of the arc-shaped boundary 103 can be close to one side of the display area 101, which is beneficial to reducing the frame width at the arc-shaped boundary 103, thereby being beneficial to realizing the narrow frame design of the display panel 100.
Alternatively, fig. 6 shows another enlarged schematic view of the arc-shaped boundary 103 in fig. 3, the display area 101 further has a first straight boundary 71 and a second straight boundary 72, an extension of the first straight boundary 71 is perpendicular to an extension of the second straight boundary 72, the second straight boundary 72 is disposed near the first side, and the arc-shaped boundary 103 connects the first straight boundary 71 and the second straight boundary 72, respectively;
the display panel further comprises a plurality of touch electrode leads 83, and in the display area 101, the touch electrode leads 83 are parallel to the data signal lines; in the non-display area at the arc-shaped boundary 103, the touch electrode lead 83 is located between the first circuit placement area 90 and the display area 101.
Specifically, the display panel 100 provided in the embodiment of the present application may further have a touch function, and the display panel further includes a plurality of touch electrode leads 83 for transmitting a touch signal to implement the touch function of the display panel. In the display area 101, the touch electrode leads 83 are parallel to each other and are also parallel to the data signal lines, in the non-display area at the arc-shaped boundary 103, the touch electrode leads 83 are bent between the first circuit placing area 90 and the display area 101, the first circuit placing area 90 is vacated in the non-display area at the arc-shaped boundary 103 together with the gate lines 81 and the data signal lines 82, a placing area is provided for peripheral circuits such as an electrostatic discharge circuit, when the electrostatic discharge circuit is placed in the first circuit placing area 90, each touch electrode lead 83 led out from the display area can also be divided into two branches, one of which is connected with the electrostatic discharge circuit, and the other is connected with the driving chip, and the specific connection mode can refer to the connection mode of the data signal lines 82 and the electrostatic discharge circuit in fig. 4. Therefore, the static electricity in the display panel can be introduced into the static electricity discharge circuit through the touch electrode lead 83, so that the static electricity discharge circuit can play a role of static electricity discharge for the display panel, and the display effect of the display panel is improved. It should be noted that, in order to better reflect the wiring of each touch electrode lead 83 in the non-display area at the arc-shaped boundary 103, only the wiring of each touch electrode lead 83 is shown between the first circuit placement area 90 and the arc-shaped boundary 103 in the embodiment shown in fig. 6, and the wiring of the data signal line 82 between the first circuit placement area 90 and the arc-shaped boundary 103 can be performed with reference to fig. 4 and 5, and fig. 6 is not shown.
Alternatively, referring to fig. 5 and 6, in the non-display area at the arc-shaped boundary 103, the shortest distance between the adjacent data signal lines 82 is D1, and the shortest distance between the adjacent touch electrode leads 83 is D2; in the non-display area 102 at the second straight edge 72, the shortest distance between the adjacent data signal lines 82 is D3, and the shortest distance between the adjacent touch electrode leads 83 is D4, wherein D1 < D3, and D2 < D4.
Specifically, with continued reference to fig. 5 and 6, in the non-display area 102 at the second straight line boundary, the touch electrode leads 83 and the data signal lines 82 are arranged along the first direction and extend along the second direction, and in the non-display area at the arc-shaped boundary 103, the touch electrode leads 83 and the data signal lines 82 are gathered between the first circuit-placement area 90 and the display area 101 after being drawn out from the display area 101, and the distance therebetween is reduced, so that the shortest distance D1 between the adjacent data signal lines 82 in the non-display area at the arc-shaped boundary 103 is smaller than the shortest distance D3 between the adjacent data signal lines 82 in the non-display area 102 at the second straight line boundary 72, and the shortest distance D2 between the adjacent touch electrode leads 83 in the non-display area at the arc-shaped boundary 103 is smaller than the shortest distance D4 between the adjacent touch electrode leads 83 in the non-display area 102 at the second straight line boundary 72.
Alternatively, fig. 7 is a cross-sectional view of the display panel 100 provided in the embodiment of the present application, referring to fig. 7, a first electrode layer 410 and a second electrode layer 420 are disposed on the display panel 100, and the first electrode layer 410 and the second electrode layer 420 are separated by an insulating layer; the first electrode layer 410 includes a plurality of first electrodes 41, and the second electrode layer 420 includes a plurality of pixel electrodes 42;
in the display phase, the first electrode 41 serves as a common electrode and receives a common voltage signal; in the touch phase, the first electrode 41 is reused as a touch electrode, and receives a touch voltage signal through the touch electrode lead 83.
Specifically, fig. 8 is a schematic diagram illustrating an arrangement of a portion of touch electrodes in a display panel according to an embodiment of the present disclosure, and in a display stage, referring to fig. 7, a first electrode 41 is embodied as a common electrode, a second electrode 42 is embodied as a pixel electrode, and a voltage between the common electrode and the pixel electrode is used as a driving voltage for driving liquid crystal to deflect, so that the display panel normally displays; in the touch phase, referring to fig. 8, the first electrode 41 is reused as a touch electrode to receive a touch detection signal through the touch electrode lead 83 and send a touch sensing signal through the touch electrode lead 83.
In addition, the display panel in the present application may also be a mutual capacitance touch display panel, and at this time, the first electrode 41 (common electrode) provided in the embodiment of fig. 7 further includes a touch sensing electrode, and the first electrode 41 in the present application can be reused as a touch driving electrode to form a mutual capacitance structure with the touch sensing electrode. In the touch stage, the first electrode 41 is reused as a touch driving electrode to receive a touch signal, and when the touch sensing electrode is touched by the outside, the touch sensing electrode feeds back a touch detection signal.
Optionally, fig. 9 is a partial circuit structure diagram of the display panel 100 located in the display area according to the embodiment of the present application, referring to fig. 9, the display panel 100 is provided with thin film transistors 20 arranged in an array, gates of the thin film transistors 20 located in the same row are connected to the same gate line 81, first poles of the thin film transistors 20 located in the same column are connected to the same data signal line 82, and second poles of the thin film transistors 20 are electrically connected to the pixel electrodes 42 in a one-to-one correspondence manner.
Specifically, referring to fig. 9, in a display area of the display panel, two adjacent rows of gate lines 81 and two adjacent rows of data signal lines 82 intersect to define a plurality of sub-pixel regions, during a display process, gate driving signals are provided to the sub-pixel regions row by row through the gate lines 81, so that the thin film transistors 20 in the same row are turned on, and data signals are provided to the pixel electrodes 42 of the sub-pixel regions where the turned-on thin film transistors 20 are located through the data signal lines 82, so as to light up the corresponding sub-pixel regions, thereby implementing a display function of the display panel 100.
Optionally, referring to FIG. 2, the non-display area 102 has a shaped cut edge 104, the shaped cut edge 104 being located at a position corresponding to the arcuate boundary 103. Referring to fig. 2, the non-display area 102 of the display panel 100 of the present application has a profiled cut edge, which is disposed corresponding to the arc-shaped boundary 103 of the display area 101 and is also designed to be an arc-shaped structure, so that the overall appearance of the display panel 100 is more attractive.
It should be noted that the display panel 100 in the embodiment of the present application may be implemented in a dual-edge driving manner, that is, there are two gate driving circuits connected to the same gate line 81, and there are two shift registers 33 connected to the same gate line 81, and the two shift registers are respectively located in the non-display areas 102 on both sides of the display area 101 of the display panel 100, referring to fig. 3, the shift registers electrically connected to the same gate line 81 simultaneously send gate driving signals to the pixel units in the same row, and if one output signal of the two shift registers is deformed, the other shift register can correct the deformed signal, which can effectively improve the display reliability of the display panel. When the double-side driving is adopted, in the non-display area 102 corresponding to the two arc-shaped boundaries 103 on the bottom side of the display panel 100, referring to fig. 2, the wiring of the gate line 81 and the data signal line 82 may be symmetrical, the wiring manner shown in fig. 4 is adopted in the non-display area 102 corresponding to one arc-shaped boundary 103, and the wiring manner symmetrical to the wiring manner shown in fig. 4 is adopted in the non-display area 102 corresponding to the other arc-shaped boundary 103, so that two first circuit placing areas 90 may be vacated in the non-display area 102 of the display panel 100 for placing peripheral protection circuits such as an electrostatic discharge circuit, and the like, thereby being more beneficial to improving the display effect of the display panel 100.
In addition, the display panel 100 provided in the embodiment of the present application may be any one of an organic electroluminescence display panel, a liquid crystal display panel, a plasma display panel, and a cathode ray tube display panel, which is not limited in the embodiment of the present application. In the following, a brief description is given by taking the display panel provided by the present application as an example, and when the display panel provided by the embodiment of the present application is a liquid crystal display panel, the display panel includes an array substrate 107 and a color filter substrate 108 which are oppositely disposed, and a liquid crystal disposed between the array substrate 107 and the color filter substrate 108, see fig. 10, where fig. 10 shows another cross-sectional view of the display panel provided by the embodiment of the present application, the array substrate in the embodiment includes a first substrate 15, and the first substrate 15 is made of any suitable insulating material. A buffer layer 16 is disposed on the first substrate 15, and typically the buffer layer 16 covers the entire upper surface of the first substrate 15. A thin film transistor array layer 20 is disposed on the upper surface of the buffer layer 16. In general, the thin film transistor array layer 20 includes:
a semiconductor active layer 25 on the buffer layer 16, the semiconductor active layer 25 including a source region and a drain region formed by doping N-type impurity ions or P-type impurity ions, a region between the source region and the drain region being a channel region in which ions are not doped, the semiconductor active layer 25 being formed by changing amorphous silicon into polycrystalline silicon through crystallization of amorphous silicon, and in order to crystallize the amorphous silicon, various methods such as a Rapid Thermal Annealing (RTA) method, a Solid Phase Crystallization (SPC) method, an Excimer Laser Annealing (ELA) method, a Metal Induced Crystallization (MIC) method, a Metal Induced Lateral Crystallization (MILC) method, or a Sequential Lateral Solidification (SLS) method may be used;
a gate insulating layer 26 over the semiconductor active layer 25, the gate insulating layer 26 including an inorganic layer such as silicon oxide, silicon nitride, or metal oxide, and may include a single layer or multiple layers;
the first metal layer 21, which is located in a specific region on the gate insulating layer 26 and serves as a gate electrode of the thin film transistor, may include a single layer or multiple layers of gold (Au), silver (Ag), copper (Cu), nickel (Ni), platinum (Pt), palladium (Pd), aluminum (Al), molybdenum (Mo), or chromium (Cr), or an alloy such as aluminum (Al): neodymium (Nd) alloy, molybdenum (Mo): tungsten (W) alloy;
an interlayer insulating layer 24 over the first metal layer 21, the interlayer insulating layer 24 being formed of an insulating inorganic layer such as silicon oxide or silicon nitride, or an insulating organic layer;
a second metal layer 22 on the interlayer insulating layer 24 as a source electrode 27 and a drain electrode 28 of the thin film transistor, the source electrode 27 and the drain electrode 28 being electrically connected to a source region and a drain region of the semiconductor active layer 25 through contact holes 29, respectively, which are formed by selectively removing the gate insulating layer 26 and the interlayer insulating layer 24;
a passivation layer 23 on the second metal layer, wherein the passivation layer 23 may be formed of an inorganic layer such as silicon oxide or silicon nitride, or an organic layer;
a third metal layer 31 located on the passivation layer 23, wherein the touch electrode lead 83 in the embodiment of the present invention is generally located on the third metal layer 31; and the number of the first and second groups,
and an electrode layer 40 located over the third metal layer 31, the electrode layer comprising a first electrode 41 and a second electrode 42 separated by an insulating layer.
Based on the same inventive concept, the present application further provides a display device, and fig. 11 is a schematic structural diagram of the display device provided in the embodiment of the present application, where the display device 200 includes a display panel 100, and the display panel 100 is the display panel provided in the present application. The display device provided by the embodiment of the application can be as follows: any product or component with practical functions such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like. In the present application, the embodiments of the display device can refer to the embodiments of the display panel, and repeated descriptions are omitted here.
According to the embodiments, the beneficial effects of the present application are as follows:
in the display panel and the display device provided by the invention, the display area is provided with an arc boundary, the non-display area is provided with a first circuit placing area, in the non-display area corresponding to the arc boundary, the gate lines led out from the shift register are wound to the display area from one side of the first circuit placing area, the data signal lines are positioned between the first circuit placing area and the display area, the gate lines and the data signal lines adopt the wiring mode, the narrow frame design of the display panel and the display device is favorably realized, the first circuit placing area can be vacated in the non-display area of the display panel, this first circuit is placed the district and can be used for placing the static discharge circuit, can also be used for placing the public potential bus, and the district is placed to first circuit in the non-display area of display panel in this application, and the user can place required peripheral protection circuit etc. according to actual need, is favorable to increasing display panel and display device additional function. For example, when the electrostatic discharge circuit is placed in the first circuit placement area, normal display of the display panel can be ensured, static electricity generated inside the display panel can be effectively released, abnormal display phenomena such as flicker and residual image of the display panel in the display process can be avoided, and the display effect of the display panel and the display device can be improved.
The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.
Claims (8)
1. A display panel is provided with a display area and a non-display area arranged around the display area, and is characterized in that the display area of the display panel is provided with an arc-shaped boundary;
the display panel comprises a plurality of gate lines and a plurality of data signal lines, each gate line extends along a first direction and is arranged along a second direction in the display area, each data signal line is arranged along the first direction and extends along the second direction, and the first direction and the second direction are intersected;
the non-display area is provided with a plurality of gate driving circuits, each gate driving circuit comprises a plurality of cascaded shift registers, and the shift registers are electrically connected with corresponding gate lines respectively;
the non-display area is also provided with a driving chip, and the driving chip and the arc-shaped boundary are both arranged close to the first side of the display panel;
the display area is also provided with a first straight line boundary and a second straight line boundary, the extension line of the first straight line boundary is perpendicular to the extension line of the second straight line boundary, the second straight line boundary is arranged close to the first side, and the arc-shaped boundaries are respectively connected with the first straight line boundary and the second straight line boundary;
the non-display area is also provided with a first circuit placing area, and the first circuit placing area is positioned on one side of the arc-shaped boundary, which is far away from the display area; the first circuit placing area is positioned on one side of the first straight line boundary, which is far away from the shift register, and the first circuit placing area is positioned on one side of the second straight line boundary, which is far away from the driving chip;
in the non-display area at the arc-shaped boundary, the gate lines led out from the shift register are wound to the display area from the side of the first circuit placing area away from the first side of the display panel;
the data signal line is located between the first circuit placement area and the display area in the non-display area at the arc-shaped boundary.
2. The display panel according to claim 1, characterized in that: at the non-display area at the arc-shaped boundary, the gate line drawn out from the shift register includes a first bent portion through which the gate line is wound to the display area; the first bending part is positioned on one side of the extension line of the first straight line boundary, which is far away from the display area, and/or the first bending part is positioned on one side of the extension line of the first straight line boundary, which is close to the display area.
3. The display panel according to claim 1, characterized in that: the display panel further comprises a plurality of touch electrode leads, and the touch electrode leads are parallel to the data signal lines in the display area; in the non-display area at the arc-shaped boundary, the touch electrode lead is located between the first circuit placement area and the display area.
4. The display panel according to claim 3, wherein: in the non-display area at the arc-shaped boundary, the shortest distance between the adjacent data signal lines is D1, and the shortest distance between the adjacent touch electrode leads is D2; in the non-display area at the second straight line boundary, a shortest distance between adjacent data signal lines is D3, and a shortest distance between adjacent touch electrode leads is D4, wherein D1 < D3, and D2 < D4.
5. The display panel according to claim 3, wherein: a first electrode layer and a second electrode layer are arranged on the display panel and are separated by an insulating layer; the first electrode layer includes a plurality of first electrodes, and the second electrode layer includes a plurality of pixel electrodes;
in a display stage, the first electrode is used as a common electrode and receives a common voltage signal; in the touch stage, the first electrode is reused as a touch electrode, and a touch voltage signal is received through the touch electrode lead.
6. The display panel according to claim 5, wherein: the display panel is provided with thin film transistors arranged in an array, the grid electrodes of the thin film transistors positioned on the same row are connected with the same grid line, the first poles of the thin film transistors positioned on the same column are connected with the same data signal line, and the second poles of the thin film transistors are respectively and electrically connected with the pixel electrodes in a one-to-one correspondence mode.
7. The display panel according to claim 1, characterized in that: the non-display area is provided with a special-shaped cutting edge, and the special-shaped cutting edge is located at a position corresponding to the arc-shaped boundary.
8. A display device comprising a display panel, wherein the display panel is the display panel according to any one of claims 1 to 7.
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| CN201810001437.5A CN107991799B (en) | 2018-01-02 | 2018-01-02 | Display panel and display device |
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| CN201810001437.5A CN107991799B (en) | 2018-01-02 | 2018-01-02 | Display panel and display device |
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| CN108470522A (en) * | 2018-05-14 | 2018-08-31 | 昆山国显光电有限公司 | Display panel and its display device |
| CN108877523B (en) * | 2018-06-29 | 2021-04-02 | 厦门天马微电子有限公司 | Array substrate, display panel and display device |
| CN113325641B (en) * | 2018-06-29 | 2022-12-30 | 上海中航光电子有限公司 | Array substrate, display panel and display device |
| CN108962176A (en) * | 2018-08-15 | 2018-12-07 | 武汉华星光电半导体显示技术有限公司 | A kind of display panel and display device |
| CN109061963B (en) * | 2018-10-26 | 2022-05-20 | 厦门天马微电子有限公司 | Display panel and display device |
| CN109192172A (en) * | 2018-10-29 | 2019-01-11 | 厦门天马微电子有限公司 | Display panel and display device |
| CN109192137B (en) * | 2018-10-30 | 2021-06-29 | 昆山国显光电有限公司 | Display and display panel thereof |
| CN109345956B (en) * | 2018-11-26 | 2021-02-02 | 武汉天马微电子有限公司 | Display panel and display device |
| CN109742128B (en) | 2019-01-28 | 2021-01-01 | 昆山国显光电有限公司 | Display and display panel thereof |
| CN110196521A (en) * | 2019-05-30 | 2019-09-03 | 京东方科技集团股份有限公司 | Array substrate and preparation method thereof, display device |
| CN110265468B (en) * | 2019-06-28 | 2021-06-22 | 武汉天马微电子有限公司 | Organic light emitting display panel and display device |
| KR20210024437A (en) * | 2019-08-19 | 2021-03-05 | 저지앙 창싱 헬리 옵토일렉트로닉 테크놀러지 컴퍼니 리미티드 | Display panel and electronic device with narrow lower bezel |
| CN113971909B (en) * | 2019-11-06 | 2023-10-20 | 上海中航光电子有限公司 | Display panel and display device |
| CN114556205B (en) * | 2020-09-18 | 2023-10-24 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN112230485B (en) * | 2020-10-27 | 2022-05-20 | 厦门天马微电子有限公司 | Array substrate, display panel and display device |
| CN112581871B (en) * | 2020-12-29 | 2022-06-17 | 厦门天马微电子有限公司 | Display panel and display device |
| CN113011353B (en) * | 2021-03-25 | 2022-10-11 | 厦门天马微电子有限公司 | Display panel and display device |
| CN113341600B (en) * | 2021-05-25 | 2022-05-06 | 厦门天马微电子有限公司 | Display panel and display device |
| CN115032839B (en) * | 2022-05-26 | 2023-09-19 | 上海中航光电子有限公司 | Array substrate, display panel and display device |
| CN115981012B (en) * | 2023-03-20 | 2023-06-23 | 惠科股份有限公司 | Display panel and wearable equipment |
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| CN107180593B (en) * | 2017-06-30 | 2019-05-21 | 厦门天马微电子有限公司 | A kind of abnormity display panel and display device |
| CN107203080B (en) * | 2017-07-27 | 2020-05-29 | 厦门天马微电子有限公司 | Array substrate and display panel |
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