CN109119448B - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN109119448B CN109119448B CN201810995647.0A CN201810995647A CN109119448B CN 109119448 B CN109119448 B CN 109119448B CN 201810995647 A CN201810995647 A CN 201810995647A CN 109119448 B CN109119448 B CN 109119448B
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/127—Active-matrix OLED [AMOLED] displays comprising two substrates, e.g. display comprising OLED array and TFT driving circuitry on different substrates
- H10K59/1275—Electrical connections of the two substrates
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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
- G02F1/1339—Gaskets; Spacers; Sealing of 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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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
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- Optics & Photonics (AREA)
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- Crystallography & Structural Chemistry (AREA)
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract
The invention provides a display panel and a display device, belonging to the technical field of display.A non-display area comprises a binding area, wherein the binding area comprises a plurality of conductive bonding pads; the first substrate comprises at least two metal parts, a first connecting part and a second connecting part which are positioned in the non-display area, and the metal parts comprise a first routing part, a second routing part and a third routing part; the first routing part is U-shaped, and the opening of the U-shaped part faces the binding area; the first end of the first wire routing part is connected with the first end of the second wire routing part, the second end of the second wire routing part is connected with the first end of the first connecting part, and the second end of the first connecting part is electrically connected with the first conductive bonding pad; the second end of the first wire routing part is connected with the first end of the third wire routing part, the second end of the third wire routing part is connected with the first end of the second connecting part, and the second end of the second connecting part is electrically connected with the second conductive pad. The electrostatic protection capability of the display panel can be improved, and the reliability of the display panel can be improved.
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
The most informative visual organs (eyes) of the human sense organs are, and in production and life, people are increasingly using abundant visual information, so that display technology plays a very important role in today's human society. Display technologies have appeared to date, and the development of the technologies is also very rapid, and cathode ray tube technologies (CRT), Plasma Display (PDP), Liquid Crystal Display (LCD), and even the latest Organic Light Emitting Display (OLED) and micro diode (micro LED) display technologies have appeared in succession.
With the development of society and the continuous improvement of human demands for material life, one of the key directions for the research and development of improving the reliability of the display panel is improved.
Disclosure of Invention
In view of the foregoing, the present invention provides a display panel and a display device.
The present invention provides a display panel having a display area and a non-display area, comprising: a first substrate, a second substrate, and a sealing portion interposed between the first substrate and the second substrate; the sealing part is positioned in the non-display area and arranged around the display area; the non-display area comprises a binding area, the binding area comprises a plurality of conductive pads, and the plurality of conductive pads comprise a first conductive pad and a second conductive pad; the first substrate comprises at least two metal parts, a first connecting part and a second connecting part which are positioned in the non-display area, and the metal parts comprise a first routing part, a second routing part and a third routing part; the first routing part is U-shaped, and the opening of the U-shaped part faces the binding area; the first end of the first wire routing part is connected with the first end of the second wire routing part, the second end of the second wire routing part is connected with the first end of the first connecting part, and the second end of the first connecting part is electrically connected with the first conductive bonding pad; the second end of the first wire routing part is connected with the first end of the third wire routing part, the second end of the third wire routing part is connected with the first end of the second connecting part, and the second end of the second connecting part is electrically connected with the second conductive bonding pad; the sealing part and the at least two metal parts overlap in a direction perpendicular to the display panel; at least two metal parts are arranged in sequence along the direction far away from the display area.
The invention provides a display device which comprises a display panel provided by the invention.
Compared with the prior art, the display panel and the display device provided by the invention at least realize the following beneficial effects:
when static exists outside the display panel, the static firstly enters the metal part farthest from the display area, and because a gap is formed between the two adjacent metal parts, when the metal part farthest from the display area is damaged, cracks generated by the damage can be effectively prevented from spreading to the rest of the metal parts, the rest of the metal parts are prevented from losing efficacy, and the rest of the metal parts can continue to provide static protection for the display panel. The electrostatic protection capability of the display panel can be improved, and the reliability of the display panel can be improved. And optionally, in the process of manufacturing the display panel, the sealing portion may be irradiated with laser from one side of the second substrate to cure the sealing portion, and the metal portion may reflect the laser into the sealing portion due to a smooth surface, so as to improve a utilization rate of the laser. Alternatively, in the process of manufacturing the display panel, UV light may be irradiated from the first substrate side to cure the sealing portion, and since there is a gap between the two metal portions, it is advantageous for the UV light to pass through the gap and reach the sealing portion, which is advantageous for improving curing efficiency of the sealing portion and improving utilization rate of the UV light.
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 schematic plan view of a display panel according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line BB' of FIG. 1;
FIG. 3 is a schematic plan view of another display panel according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view illustrating a display panel according to another embodiment of the present invention;
FIG. 5 is a schematic diagram of a partial cross-sectional structure of another display panel according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view illustrating another display panel according to an embodiment of the present invention;
fig. 7 is a schematic cross-sectional view illustrating a display panel according to another embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view illustrating another display panel according to an embodiment of the present invention;
fig. 9 is a schematic plan view of a display device according to an embodiment of the present invention.
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.
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic plan structure diagram of a display panel according to an embodiment of the present invention, fig. 2 is a schematic cross-sectional structure diagram along line BB' of fig. 1, fig. 3 is a schematic plan structure diagram of another display panel according to an embodiment of the present invention, the present embodiment provides a display panel having a display area AA and a non-display area NA, including:
a first substrate 10, a second substrate 20, and a sealing portion 30 interposed between the first substrate 10 and the second substrate 20; the sealing part 30 is positioned in the non-display area NA and disposed around the display area AA;
the non-display area NA includes a bonding area NA1, the bonding area NA1 includes a plurality of conductive pads 40, and the plurality of conductive pads 40 includes a first conductive pad 41 and a second conductive pad 42;
the first substrate 10 includes at least two metal parts 50, a first connection part 60, and a second connection part 70 located in the non-display area NA, the metal parts 50 including first, second, and third routing parts 51, 52, and 53;
wherein, the first wire routing portion 51 is U-shaped, and the opening of the U-shape faces the binding area NA 1; the first end 511 of the first wire portion 51 is connected to the first end 521 of the second wire portion 52, the second end 522 of the second wire portion 52 is connected to the first end 61 of the first connection portion 60, and the second end 62 of the first connection portion 60 is electrically connected to the first conductive pad 41; the second end 512 of the first wire portion 51 is connected with the first end 531 of the third wire portion 53, the second end 532 of the third wire portion 53 is connected with the first end 71 of the second connection portion 70, and the second end 72 of the second connection portion 70 is electrically connected with the second conductive pad 42;
the sealing part 30 and the at least two metal parts 50 are overlapped in a direction perpendicular to the display panel; at least two metal parts 50 are sequentially disposed in a direction away from the display area AA. The direction perpendicular to the display panel is the Z direction shown in fig. 2.
In the present embodiment, the sealing part 30 is used to bond the first substrate 10 and the second substrate 20. The sealing part 30 has a ring shape, and the first substrate 10, the second substrate 20, and the sealing part 30 form a sealed space.
The display panel includes a display area AA and a non-display area NA, the display area AA is used for displaying an image frame, and optionally, the display area AA further includes a plurality of pixels.
The non-display area NA includes a bonding area NA1, and the bonding area NA1 may be used for bonding a chip or a flexible circuit board (not shown), and electrical signals of the chip or the flexible circuit board are transmitted to the corresponding conductive pads 40. It should be noted that, in the bonding area NA1, the number of the conductive pads 40 is plural, and the specific number needs to be set according to the practical application, and the embodiment does not specifically limit this.
In order to improve the electrostatic protection capability of the display panel, the non-display area NA includes at least two metal parts 50, a first connection part 60, a second connection part 70, a first connection part 60 and a second connection part 70 for connecting the metal parts 50 and the conductive pads 40, so that the electrical signals of the conductive pads 40 are transmitted to the metal parts 50. In this embodiment, the first conductive pad 41 and the second conductive pad 42 may transmit a low-potential signal, such as a ground signal, to the metal portion 50, so that the metal portion 50 has an electrostatic protection capability to protect structures in the display panel from being damaged by electrostatic shock.
Alternatively, the material of the metal part 50 may be a metal, such as copper, titanium, aluminum, molybdenum, etc., which has good thermal conductivity. Alternatively, the material of the first connection portion 60 and the second connection portion 70 may be the same as the material of the metal portion 50. Optionally, the metal part 50, the first connecting part 60, and the second connecting part 70 are integrally formed.
Next, the present embodiment will explain the specific shape of the metal part. Fig. 3 is an example of clearly illustrating the technical solution of the present embodiment, and fig. 3 illustrates only a partial structure of the display panel. The metal part 50 includes a first routing portion 51, a second routing portion 52, and a third routing portion 53. The first wire trace portion 51 is U-shaped, and specifically, the first wire trace portion 51 is disposed to partially surround the display area AA, and an opening of the first wire trace portion faces the binding area NA 1. The second routing portion 52 is used to connect the first end 511 of the first routing portion 51 and the first end 61 of the first connection portion 60. The third wire portion 53 is used to connect the second end 512 of the first wire portion 51 and the second end 72 of the second connecting portion 70. Alternatively, the first routing portion 51 and the second routing portion 52 may extend in the same direction. Optionally, the binding area NA1 is an elongated shape and extends along the first direction X, and the second routing portion 52 and the third routing portion 53 both extend along the first direction X.
In the present embodiment, the number of the metal portions 50 is at least two, and in fig. 2 and 3, only two metal portions 50 are exemplarily illustrated. The shape and material of at least two metal portions 50 are the same. And at least two metal parts 50 are sequentially disposed in a direction away from the display area AA. Specifically, in fig. 3, the metal portion 502 is located on a side of the metal portion 501 away from the display area AA. A gap is provided between two adjacent metal portions 50.
The sealing portion 30 and the at least two metal portions 50 overlap in a direction Z perpendicular to the display panel. Optionally, in the process of manufacturing the display panel, the sealing portion 30 may be irradiated with laser from the second substrate 20 side to cure the sealing portion 30, and the metal portion 50 may reflect the laser into the sealing portion 30 due to its smooth surface, so as to improve the utilization rate of the laser. Alternatively, in the process of manufacturing the display panel, UV light may be irradiated from the first substrate 10 side to cure the sealing part 30, and since there is a gap between the two metal parts, it is advantageous for the UV light to pass through the gap into the sealing part, it is advantageous for the curing efficiency of the sealing part to be improved, and the utilization rate of the UV light to be improved.
In the display panel provided by this embodiment, when there is static electricity outside the display panel, the static electricity first enters the metal portion 50 farthest from the display area AA, and because there is a gap between two adjacent metal portions 50, when the metal portion 50 farthest from the display area AA is damaged, a crack generated by the damage can be effectively prevented from spreading to the remaining metal portions, and the remaining metal portions are prevented from failing, and the remaining metal portions can continue to provide static protection for the display panel. Specifically, in fig. 3, when static electricity exists outside the display panel, the static electricity first enters the metal portion 502, when the metal portion 502 is damaged, a crack generated by the damage can be effectively prevented from spreading into the metal portion 501, the metal portion 501 is prevented from failing, and the metal portion 501 can continue to provide static protection for the display panel. The display panel provided by the embodiment can improve the electrostatic protection capability of the display panel and improve the reliability of the display panel.
In some optional embodiments, please continue to refer to fig. 3, among the at least two metal portions 50, the metal portion 50 closest to the display area AA is a first metal portion 501, and a line width D of the first metal portion 501 is greater than a line width of any one of the remaining metal portions 50.
In this embodiment, the first metal portion 501 is the metal portion closest to the display area AA. The line width of the first metal portion 501 is D, and the line widths of the remaining metal portions 50 are all smaller than the line width of the first metal portion 501. The line width of the first metal portion 501 is set to be wider, so that laser can be effectively reflected to quickly cure the sealing portion 30 when the metal portion is irradiated with laser in the process of manufacturing the display panel. The main function of the remaining metal portion 50 is to prevent the damage crack from propagating to the first metal portion 501, and the remaining line width may be thinner.
In some optional embodiments, please refer to fig. 4, fig. 4 is a schematic cross-sectional structure diagram of another display panel provided in an embodiment of the present invention, in which the first substrate 10 includes: a first substrate 11, and a driving device layer 12 disposed on the first substrate 11; the driving device layer 12 includes a plurality of thin film transistors PP including an active layer P1, a gate electrode P2, a source electrode P3, and a drain electrode P4; the gate P2 is located on the first metal layer M1, and the source P3 and the drain P4 are located on the second metal layer M2; the metal part 50 is located at the first metal layer M1 or the second metal layer M2.
In this embodiment, only the metal part 50 located in the second metal layer M2 will be described as an example. In the process of manufacturing the display panel, the metal part 50, the source P3 and the drain P4 may be formed simultaneously by patterning the same metal layer without adding an additional process to manufacture the metal part 50, which is beneficial to reducing the process of manufacturing the display panel, reducing the manufacturing cost of the display panel, and being beneficial to thinning the display panel.
It should be noted that, in other alternative embodiments of the present invention, the metal portion 50 may also be disposed on the first metal layer M1, which is also beneficial to reducing the process of the display panel, reducing the manufacturing cost of the display panel, and being beneficial to thinning the display panel.
In some alternative embodiments, please refer to fig. 5, fig. 5 is a schematic partial cross-sectional view of another display panel according to an embodiment of the present invention, in which the sealing portion 30 includes a main body portion 31 and an extending portion 32; wherein the content of the first and second substances,
the body portion 31 is located on one side of the metal portion 50 close to the second substrate 20;
an insulating layer 80 is arranged between the first substrate 11 and the body portion 31, a hollow area 81 is arranged in an area between two adjacent metal portions 50, the insulating layer 80 comprises a hollow portion 82, and the hollow portion 82 is located in the hollow area 81;
the extension portion 32 is located in the hollow portion 82, and the body portion 31 is connected to the first substrate 11 through the extension portion 32.
In this embodiment, the sealing portion 30 includes a body portion 31 and an extension portion 32, wherein the body portion 31 is located between the first substrate 10 and the second substrate 20, and the body portion 31 is used for bonding the first substrate 10 and the second substrate 20. The extension portion 32 extends to the first substrate 11 through the hollow portion 82 in the insulating layer 80, and the extension portion 32 is in contact with a side surface of the first substrate 11 close to the second substrate 20, that is, the sealing portion 30 is in contact with a side surface of the first substrate 11 close to the second substrate 20, so that a contact area between the sealing portion 30 and the first substrate 10 is increased, an adhesion capability of the sealing portion 30 is increased, the first substrate 10 and the second substrate 20 are adhered more firmly, sealing failure is prevented, and reliability of the display panel is improved.
In some optional embodiments, please refer to fig. 6, fig. 6 is a schematic cross-sectional structure diagram of another display panel provided in the embodiments of the present invention, the display panel further includes: and a light emitting device layer 13 positioned on a side of the driving device layer 12 away from the first substrate 11, the light emitting device layer 13 including a plurality of organic light emitting diodes 131.
The light emitting device layer 13 includes a plurality of organic light emitting diodes 131, and optionally, the light emitting device layer 13 further includes a cathode 131a and an anode 131b, the organic light emitting diodes 131 include a cathode 131a and an anode 131b and a light emitting material layer 131c interposed between the cathode 131a and the anode 131b, and the light emitting material layer 131c may determine a color of light emitted from the organic light emitting diodes 131. Alternatively, the drain P4 of the thin film transistor PP is electrically connected to the anode 131b, and whether the organic light emitting diode 131 emits light is controlled by controlling on and off of the thin film transistor PP. Alternatively, the light emitting device layer 13 may further include other film layers, such as an electron transport layer and a hole transport layer, and the electron transport layer and the hole transport layer may be disposed between the cathode and the anode, which is not particularly limited in this embodiment. Optionally, the first substrate 10 may further include a pixel defining layer 101, and the pixel defining layer 101 may isolate the plurality of organic light emitting diodes 131.
The display panel provided by the embodiment is an organic light emitting display panel, and has the advantages of self-luminescence, wide viewing angle, almost infinite contrast, low power consumption, extremely high response speed and the like.
Optionally, with continued reference to fig. 6, the second substrate 20 is a glass cover plate. The glass cover plate has high rigidity and high deformation resistance, and can protect the internal structure of the display panel when the display panel is impacted by external force. And, the material of glass apron is glass, has better light transmissivity, can avoid reducing display panel's display effect.
Optionally, referring to fig. 7, fig. 7 is a schematic cross-sectional structure diagram of another display panel according to an embodiment of the present invention, where the second substrate 20 is a touch substrate; the second substrate 20 includes: a second substrate 21, and a plurality of touch electrodes 211 disposed on the second substrate 21.
The display panel provided in this embodiment has a touch function, and the second substrate 20 is a touch substrate for implementing the touch function. The second substrate 20 includes a plurality of touch electrodes 211, and the touch electrodes 211 are used for sensing position information and/or pressure information of touch. It should be noted that the working mode of the touch electrode may be self-capacitance type or mutual capacitance type, and the touch electrodes 211 may be disposed on the same film layer or different film layers, which is not limited in this embodiment. In addition, the number, size and shape of the touch electrodes 211 may be set according to the actual design requirement of the display panel, which is not specifically limited in this embodiment.
Alternatively, the material of the sealing part 30 includes a photosensitive paste or glass frit. The photosensitive adhesive or the glass powder has good visible light permeability, can effectively block water vapor and oxygen in the air, and has low cost and good adhesion.
When the material of the sealing part 30 includes the photosensitive adhesive, in the process of manufacturing the display panel, the sealing part 30 needs to be cured by irradiating UV light from the first substrate 10 side, and since there is a gap between the two metal parts, the UV light is facilitated to pass through the gap to reach the photosensitive adhesive, the curing efficiency of the photosensitive adhesive is facilitated to be improved, and the utilization rate of the UV light is improved.
When the material of the sealing portion 30 includes glass frit, in the process of manufacturing the display panel, laser needs to be irradiated from the second substrate 20 side to cure the sealing portion 30, and since the sealing portion 30 is cured, the metal portion 50 has the function of reflecting laser due to a smooth surface, and can reflect laser into the sealing portion 30, thereby accelerating the curing efficiency of the glass frit and improving the utilization rate of the laser.
In some optional embodiments, referring to fig. 8, fig. 8 is a schematic cross-sectional structure view of another display panel provided in the embodiments of the present invention, the display panel further includes a liquid crystal layer 90, and the first substrate 10, the second substrate 20, and the sealing portion 30 form an accommodating space for accommodating the liquid crystal layer 90.
The display panel provided by this embodiment is a liquid crystal display panel, the sealing portion 30 is used for attaching the first substrate 10 and the second substrate 20, and the liquid crystal layer 90 is sealed in the accommodating space between the first substrate 10 and the second substrate 20. Optionally, the first substrate 10 is an array substrate, and the second substrate 20 is a color film substrate.
The embodiment provides a display device comprising the display panel provided by the invention. Referring to fig. 9, fig. 9 is a schematic plan view of a display device according to an embodiment of the invention. Fig. 9 provides a display device 1000 including the display panel 100 according to any of the above embodiments of the present invention. The embodiment of fig. 9 only takes a mobile phone as an example to describe the display device 1000, and it should be understood that the display device provided in the embodiment of the present invention may be other display devices with a display function, such as a computer, a television, a vehicle-mounted display device, and the present invention is not limited thereto. The display device provided in the embodiment of the present invention has the beneficial effects of the display panel provided in the embodiment of the present invention, and specific reference may be made to the specific description of the display panel in each of the above embodiments, which is not repeated herein.
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 beneficial effects:
when static exists outside the display panel, the static firstly enters the metal part farthest from the display area, and because a gap is formed between the two adjacent metal parts, when the metal part farthest from the display area is damaged, cracks generated by the damage can be effectively prevented from spreading to the rest of the metal parts, the rest of the metal parts are prevented from losing efficacy, and the rest of the metal parts can continue to provide static protection for the display panel. The electrostatic protection capability of the display panel can be improved, and the reliability of the display panel can be improved. And optionally, in the process of manufacturing the display panel, the sealing portion may be irradiated with laser from one side of the second substrate to cure the sealing portion, and the metal portion may reflect the laser into the sealing portion due to a smooth surface, so as to improve a utilization rate of the laser. Alternatively, in the process of manufacturing the display panel, UV light may be irradiated from the first substrate side to cure the sealing portion, and since there is a gap between the two metal portions, it is advantageous for the UV light to pass through the gap and reach the sealing portion, which is advantageous for improving curing efficiency of the sealing portion and improving utilization rate of the UV light.
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 (8)
1. A display panel having a display area and a non-display area, comprising:
a first substrate, a second substrate, and a sealing portion interposed between the first substrate and the second substrate; the sealing part is positioned in the non-display area and arranged around the display area;
the non-display area includes a bonding area including a plurality of conductive pads including a first conductive pad and a second conductive pad;
the first substrate comprises at least two metal parts, a first connecting part and a second connecting part which are positioned in the non-display area, and the metal parts comprise a first wire routing part, a second wire routing part and a third wire routing part; the first routing part is U-shaped, and the opening of the U-shape faces the binding region; a first end of the first wire routing part is connected with a first end of the second wire routing part, a second end of the second wire routing part is connected with a first end of the first connecting part, and a second end of the first connecting part is electrically connected with the first conductive pad; a second end of the first wire routing part is connected with a first end of the third wire routing part, a second end of the third wire routing part is connected with a first end of the second connecting part, and a second end of the second connecting part is electrically connected with the second conductive pad;
the first substrate includes: the device comprises a first substrate and a driving device layer arranged on the first substrate;
the sealing part and the at least two metal parts overlap in a direction perpendicular to the display panel;
the at least two metal parts are sequentially arranged along the direction far away from the display area;
the metal part closest to the display area in the at least two metal parts is a first metal part, and the line width of the first metal part is larger than that of any one of the rest metal parts;
the sealing portion includes a body portion and an extension portion; wherein the content of the first and second substances,
the main body part is positioned on one side of the metal part close to the second substrate;
an insulating layer is arranged between the first substrate and the body part, an area between two adjacent metal parts is a hollow area, the insulating layer comprises a hollow part, and the hollow part is positioned in the hollow area;
the extension part is located in the hollow part, and the body part is connected with the first substrate through the extension part.
2. The display panel according to claim 1,
the driving device layer includes a plurality of thin film transistors including an active layer, a gate electrode, a source electrode, and a drain electrode;
the grid electrode is positioned on the first metal layer, and the source electrode and the drain electrode are positioned on the second metal layer;
the metal part is located in the first metal layer or the second metal layer.
3. The display panel according to claim 2,
the display panel further includes: and the light-emitting device layer is positioned on one side of the driving device layer, which is far away from the first substrate, and comprises a plurality of organic light-emitting diodes.
4. The display panel according to claim 1,
the second substrate is a glass cover plate.
5. The display panel according to claim 1,
the second substrate is a touch substrate; the second substrate includes: the touch panel comprises a second substrate and a plurality of touch electrodes arranged on the second substrate.
6. The display panel according to claim 1,
the display panel further comprises a liquid crystal layer, and the first substrate, the second substrate and the sealing portion form an accommodating space for accommodating the liquid crystal layer.
7. The display panel according to claim 1,
the material of the sealing part comprises photosensitive glue or glass powder.
8. A display device characterized by comprising the display panel according to any one of claims 1 to 7.
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| CN201810995647.0A CN109119448B (en) | 2018-08-29 | 2018-08-29 | Display panel and display device |
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| CN201810995647.0A CN109119448B (en) | 2018-08-29 | 2018-08-29 | Display panel and display device |
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| CN109119448B true CN109119448B (en) | 2021-04-30 |
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| CN111474749B (en) * | 2020-04-30 | 2022-08-12 | 厦门天马微电子有限公司 | Manufacturing method of liquid crystal display panel, liquid crystal display panel and liquid crystal display device |
| CN111697161B (en) * | 2020-06-24 | 2023-04-25 | 昆山国显光电有限公司 | Display panel and display device |
| CN112102725B (en) * | 2020-09-21 | 2022-07-19 | 昆山国显光电有限公司 | Array substrate, display panel and display module |
| CN112420957B (en) * | 2020-11-19 | 2022-10-11 | 武汉天马微电子有限公司 | Display panel and display device |
| WO2022193319A1 (en) * | 2021-03-19 | 2022-09-22 | 京东方科技集团股份有限公司 | Display panel and manufacturing method therefor |
| CN113358707B (en) * | 2021-05-07 | 2023-06-30 | 惠科股份有限公司 | Crack detection structure of substrate, crack detection structure of display panel and crack detection method |
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| CN100592151C (en) * | 2007-02-02 | 2010-02-24 | 群康科技(深圳)有限公司 | LCD device |
| KR102296733B1 (en) * | 2014-11-06 | 2021-09-01 | 삼성디스플레이 주식회사 | Organic light emitting device |
| CN106226964A (en) * | 2016-07-27 | 2016-12-14 | 武汉华星光电技术有限公司 | There is array base palte and the display floater thereof of antistatic protection function |
| CN107219660B (en) * | 2017-07-12 | 2020-09-25 | 厦门天马微电子有限公司 | Array substrate, display panel and display device |
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