CN219842609U - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN219842609U CN219842609U CN202321372313.0U CN202321372313U CN219842609U CN 219842609 U CN219842609 U CN 219842609U CN 202321372313 U CN202321372313 U CN 202321372313U CN 219842609 U CN219842609 U CN 219842609U
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- 239000002184 metal Substances 0.000 claims abstract description 115
- 229910052751 metal Inorganic materials 0.000 claims abstract description 115
- 239000000758 substrate Substances 0.000 claims abstract description 60
- 239000003292 glue Substances 0.000 claims abstract description 29
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 49
- 239000000565 sealant Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002355 dual-layer Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a display panel and a display device, wherein the display panel comprises a display area and a non-display area arranged around the display area, the display panel at least comprises a first substrate and a second substrate which are oppositely arranged, frame glue which is arranged between the first substrate and the second substrate, is formed in the non-display area and is arranged around the display area, and a metal wire which is arranged on one side of the first substrate facing the second substrate, is formed in the non-display area and is arranged around the display area. The metal wires comprise a first metal wire and a second metal wire, and orthographic projection of the frame glue on the first substrate is located between orthographic projections of the first metal wire and the second metal wire on the first substrate. From this, the frame glue cuts off first metal wiring and second metal wiring, has isolated the passageway that steam invaded, and the frame glue can separate steam well and enter into the display area, consequently can improve the ability of display panel separation steam.
Description
Technical Field
The present utility model relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
With the continuous development of the liquid crystal display technology, a liquid crystal display (LiquidCrystalDisplay, LCD) with advantages of small size, low power consumption, no radiation and the like has gradually replaced a cathode ray tube (CathodeRayTube, CRT) display to become a mainstream product in a display device, and is increasingly used in various electronic products.
At present, the LCD product has the phenomenon that water vapor or air enters the surface to cause abnormal display after the LCD product is used for a long time at a client side and under a deteriorated condition. How to block water vapor is a urgent problem to be solved.
Disclosure of Invention
The utility model aims to provide a display panel and a display device, which aim to improve the capability of the display panel for blocking water vapor.
In one aspect, an embodiment of the present utility model further provides a display panel, where the display panel includes a display area and a non-display area disposed around the display area, and the display panel includes at least:
a first substrate and a second substrate disposed opposite to each other;
the frame glue is positioned between the first substrate and the second substrate, is formed in the non-display area and is arranged around the display area;
a metal wire, which is positioned on one side of the first substrate facing the second substrate, and is formed in the non-display area;
the frame glue is arranged on the first substrate, and the front projection of the frame glue on the first substrate is positioned between the front projections of the first metal wire and the second metal wire on the first substrate.
In some embodiments, the non-display area includes a binding area and a routing area, the binding area is provided with a binding connection terminal, the routing area is provided with the first metal routing and the second metal routing, wherein the first metal routing and the second metal routing are both connected to the binding connection terminal.
In some embodiments, the first metal trace and the second metal trace are grid-shaped.
In some embodiments, the first metal trace and the second metal trace each comprise:
a first metal layer;
a first insulating layer on the first metal layer;
a second metal layer on the first insulating layer;
and the second insulating layer is positioned on the first insulating layer.
In some embodiments, the binding connection terminal includes:
the first binding terminal and the second binding terminal are positioned at the periphery of the frame glue;
the connecting wire is used for connecting the first binding terminal and the second binding terminal;
wherein, the connecting wire and the frame glue have an overlapping part.
In some embodiments, two ends of the first metal wire are respectively connected with the first binding terminal and the second binding terminal, and two ends of the second metal wire are respectively connected with the first binding terminal and the second binding terminal.
In some embodiments, the connection lines are grid-like.
In some embodiments, the metal wire comprises a wire side located in the wire region, and a binding side located at both ends of the wire side and located in the binding region; the first metal wire and the second metal wire on the wire side are arranged in parallel, and the metal wire on the binding side and the frame glue are provided with overlapping parts.
In some embodiments, the display panel further comprises:
and the connecting contact is used for connecting the metal wire and the second substrate.
On the other hand, the embodiment of the utility model also provides a display device, which at least comprises the liquid crystal display panel provided by any one of the embodiments.
The beneficial effects of the utility model are as follows: the display panel at least comprises a first substrate and a second substrate which are oppositely arranged, frame glue which is arranged between the first substrate and the second substrate, formed in the non-display area and arranged around the display area, and metal wires which are arranged on one side of the first substrate, facing the second substrate, formed in the non-display area and arranged around the display area. The metal wires comprise a first metal wire and a second metal wire, and orthographic projection of the frame glue on the first substrate is located between orthographic projections of the first metal wire and the second metal wire on the first substrate. From this, the frame glue cuts off first metal wiring and second metal wiring, has isolated the passageway that steam invaded, and the frame glue can separate steam well and enter into the display area, consequently can improve the ability of display panel separation steam.
Drawings
The technical solution and other advantageous effects of the present utility model will be made apparent by the following detailed description of the specific embodiments of the present utility model with reference to the accompanying drawings.
FIG. 1 is a schematic top view of a display panel according to some embodiments of the present utility model;
FIG. 2 is a schematic cross-sectional view of a display panel according to some embodiments of the present utility model;
FIG. 3 is an enlarged schematic view of the structure shown at B in FIG. 1, provided in accordance with some embodiments of the present utility model;
fig. 4 is a schematic cross-sectional view of fig. 3 taken along line C-C1, in accordance with some embodiments of the present utility model.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
Referring to fig. 1, fig. 1 is a schematic top view of a display panel according to some embodiments of the utility model. Referring to fig. 2, fig. 2 is a schematic cross-sectional structure of a display panel according to some embodiments of the utility model.
The display panel 100 can be applied to various electronic devices, such as wearable devices, e.g., smart bracelets, smart watches, VR (Virtual Reality) devices, mobile phones, electronic books and newspapers, televisions, personal computers, foldable and rollable display and lighting devices.
The display panel 100 includes a display area A1 and a non-display area A2, wherein the non-display area A2 is located at the periphery of the display area A1 or is disposed around the display area A1, and the non-display area A2 includes a frame of the display panel 100. The display panel 100 at least includes a first substrate 10 and a second substrate 20 disposed opposite to each other, a frame glue 30 disposed between the first substrate 10 and the second substrate 20 and formed in the non-display area A2 and disposed around the display area A1, and a metal trace 40 disposed on a side of the first substrate 10 facing the second substrate 20 and formed in the non-display area A2 and disposed around the display area A1. The metal wire 40 includes a first metal wire 41 and a second metal wire 42, and the front projection of the frame glue 30 on the first substrate 10 is located between the front projections of the first metal wire 41 and the second metal wire 42 on the first substrate 10.
The display panel may further include a liquid crystal (not shown) between the first substrate 10 and the second substrate 20, and a frame sealant is used to encapsulate the liquid crystal.
The first substrate 10 may be an array substrate, and the array substrate may include a substrate, a buffer layer, an active layer, a first gate insulating layer, a first gate, a second gate insulating layer, a second gate, an interlayer dielectric layer, a source electrode and a drain electrode from bottom to top. The buffer layer is positioned on the substrate, the active layer is positioned on the buffer layer, and the first gate insulating layer is positioned on the buffer layer and covers the active layer. The first gate electrode is located on the first gate insulating layer, and the second gate insulating layer is located on the first gate insulating layer and covers the first gate electrode. The second grid electrode is positioned on the second grid insulating layer, and the interlayer dielectric layer is positioned on the second grid insulating layer and covers the second grid electrode. The source electrode and the drain electrode are positioned on the interlayer dielectric layer and connected with two ends of the active layer through the via hole.
The second substrate 20 may be a color film substrate, and the color film substrate may include an electrode layer, a base, a color resist layer and a polarizer from bottom to top. The color resist layer may include a red color resist layer, a blue color resist layer, and a green color resist layer.
In some embodiments, the metal traces 40 may be common traces.
In some embodiments, the first metal trace 41 may be located on a side of the sealant 30 away from the display area A1, and the second metal trace 42 is located on a side of the sealant 30 near the display area A1.
In some embodiments, the non-display area A2 includes a binding area a21 and a routing area a22, the binding area a21 is provided with a binding connection terminal 50, the routing area a22 is provided with the first metal routing 41 and the second metal routing 42, wherein the first metal routing 41 and the second metal routing 42 are both connected to the binding connection terminal 50.
The binding area a21 may be located at one side of the display area A1, and the routing area a22 may be located at the other three sides of the display area A1. For example, the trace area a22 is located at two short sides and one long side of the display area A1, and the binding area a21 is located at the other long side of the display area A1.
In some embodiments, the metal trace 40 includes a trace side 401 and a binding side 402. The routing side 401 is located in the routing area a22, and the binding side 402 is located at two ends of the routing side 401 and is located in the binding area a21. The routing side 401 and the bonding side 402 are two metal routing wires, i.e. both comprise a first metal routing wire 41 and a second metal routing wire 42.
In one embodiment, the first metal trace 41 and the second metal trace 42 of the trace side 401 are disposed parallel to each other, and the metal trace 40 of the binding side 402 has an overlapping portion with the frame glue 30. As shown in fig. 1, the first metal trace 41 and the second metal trace 42 are disposed in parallel on three sides of the display area A1. On the other side of the display area A1, the metal trace 40 on the binding side 402 and the sealant 30 have an overlapping portion, and the overlapping portion of the sealant 30 covers the metal trace 40 on the binding side 402.
In some embodiments, the binding connection terminal 50 includes a first binding terminal 51 and a second binding terminal 52. The first binding terminal 51 and the second binding terminal 52 are located at the periphery of the frame glue 30, and are respectively connected with the two binding sides 402. The first bonding terminal 51 and the second bonding terminal 52 are connected to a flip chip film (not shown), and the flip chip film is connected to a circuit board to transmit signals of the metal traces 40 to the circuit board. Wherein the first metal wire 41 and the second metal wire 42 of the left binding side 402 are shown to be joined together on the first binding terminal 51, and the first metal wire 41 and the second metal wire 42 of the right binding side 402 are shown to be joined together on the second binding pin 52.
Wherein, two ends of the first metal wire 41 are respectively connected with the first binding terminal 51 and the second binding terminal 52, and two ends of the second metal wire 42 are respectively connected with the first binding terminal 51 and the second binding terminal 52.
In some embodiments, the bonding connection terminal 50 may further include a connection wire 60, the connection wire 60 being located between the first bonding terminal 51 and the second bonding terminal 52 and connecting the first bonding terminal 51 and the second bonding terminal 52. Wherein, the connecting line 60 and the frame glue 30 have an overlapping portion. Note that the connecting wire 60 is made of the same material as the metal wire 40, except that the metal wire 40 is divided into a first metal wire 41 and a second metal wire 42 that are not connected.
In some embodiments, the display panel 100 may further be located at a third bonding pin 53 between the first bonding terminal 51 and the second bonding terminal 52, the third bonding pin 53 having a connection line 60 between the first bonding terminal 51 and the third bonding pin 53 having a connection line 60 between the second bonding terminal 52 and the third bonding pin 53. The utility model does not limit the number of the binding pins, and can be set according to actual requirements.
Referring to fig. 3, fig. 3 is an enlarged schematic view of fig. 1 at B according to some embodiments of the present utility model.
As shown in fig. 3, the first metal wire 41 and the second metal wire 42 are in a grid shape, and the sealant 30 is located between the first metal wire 41 and the second metal wire 42.
In some embodiments, the connection lines 60 may also be grid-shaped.
In some embodiments, the display panel 100 may further include a connection contact 70, the connection contact 70 being located between the first substrate 10 and the second substrate 20 and connecting the metal trace 40. The connection contacts 70 may be gold balls, the bottoms of which are connected to the metal traces 40, and the tops of which are connected to the electrode layer on the second substrate 20, so that a common signal can be applied to the metal traces 40 on the first substrate 10 through the electrode layer on the second substrate 20 and the connection contacts 70.
In some embodiments, the connection contact 70 may also be located at a position where the connection line 60 coincides with the frame glue 30, and the connection contact 70 connects the connection line 60 with the electrode layer on the second substrate 20.
Referring to fig. 4, fig. 4 is a schematic cross-sectional view of fig. 3 along C-C1 according to some embodiments of the present utility model.
In some embodiments, the metal trace 40 includes a first metal layer 4011, a first insulating layer 4012, a second metal layer 4013, and a second insulating layer 4014. A first insulating layer 4012 is on the first metal layer 4011, a second metal layer 4013 is on the first insulating layer 4012, and a second insulating layer 4014 is on the second metal layer 4013.
Wherein the first metal layer 4011 comprises separate first and second metal traces 41 and 42, and the second metal layer 4013 also comprises separate first and second metal traces 41 and 42. The dual layer metal trace 40 design may reduce the line resistance.
The inventor researches and discovers that the second insulating layer 4014 is easy to be thinner and thinner at the position of the climbing double-layer metal wire 40 after the LCD is used for a long time at the client side and the deterioration condition, and in the extreme case, water vapor or air enters from the position of the D to start corroding the first metal wire 41, and the first metal wire 41 and the second metal wire 42 inside and outside the frame glue 30 are not connected, so that the water vapor does not enter a passage and is blocked at the position without the metal wire 40. And the positions without the metal wires 40 are covered by the frame glue 30, so that the frame glue 30 has good adhesiveness, can well block water vapor, and greatly reduces the occurrence probability of problems such as blackening, bubbles, line corrosion and the like at the corner D.
On the other hand, the embodiment of the present utility model further provides a display device, which at least includes the display panel 100 provided in any one of the foregoing embodiments. The display device has the same advantages as the display panel 100 described above, and will not be described herein.
The above description of the embodiments is only for helping to understand the technical solution of the present utility model and its core ideas; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. A display panel comprising a display area and a non-display area disposed around the display area, the display panel comprising at least:
a first substrate and a second substrate disposed opposite to each other;
the frame glue is positioned between the first substrate and the second substrate, is formed in the non-display area and is arranged around the display area;
a metal wire, which is positioned on one side of the first substrate facing the second substrate, and is formed in the non-display area;
the frame glue is arranged on the first substrate, and the front projection of the frame glue on the first substrate is positioned between the front projections of the first metal wire and the second metal wire on the first substrate.
2. The display panel of claim 1, wherein the non-display region comprises a binding region provided with a binding connection terminal and a routing region provided with the first and second metal routing, wherein the first and second metal routing are both connected to the binding connection terminal.
3. The display panel of claim 1, wherein the first metal trace and the second metal trace are each in a grid shape.
4. The display panel of claim 1, wherein the first metal trace and the second metal trace each comprise:
a first metal layer;
a first insulating layer on the first metal layer;
a second metal layer on the first insulating layer;
and the second insulating layer is positioned on the first insulating layer.
5. The display panel according to claim 2, wherein the binding connection terminal includes:
the first binding terminal and the second binding terminal are positioned at the periphery of the frame glue;
the connecting wire is used for connecting the first binding terminal and the second binding terminal;
wherein, the connecting wire and the frame glue have an overlapping part.
6. The display panel of claim 5, wherein two ends of the first metal wire are connected to the first binding terminal and the second binding terminal, respectively, and two ends of the second metal wire are connected to the first binding terminal and the second binding terminal, respectively.
7. The display panel of claim 5, wherein the connection lines are grid-shaped.
8. The display panel of claim 5, wherein the metal trace includes a trace side located in the trace region and a binding side located at both ends of the trace side and located at the binding region; the first metal wire and the second metal wire on the wire side are arranged in parallel, and the metal wire on the binding side and the frame glue are provided with overlapping parts.
9. The display panel of claim 1, further comprising:
and the connecting contact is used for connecting the metal wire and the second substrate.
10. A display device, characterized in that it comprises at least a display panel according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321372313.0U CN219842609U (en) | 2023-05-31 | 2023-05-31 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321372313.0U CN219842609U (en) | 2023-05-31 | 2023-05-31 | Display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219842609U true CN219842609U (en) | 2023-10-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321372313.0U Active CN219842609U (en) | 2023-05-31 | 2023-05-31 | Display panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219842609U (en) |
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2023
- 2023-05-31 CN CN202321372313.0U patent/CN219842609U/en active Active
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