CN220399757U - Glass large plate with double-layer sealant - Google Patents
Glass large plate with double-layer sealant Download PDFInfo
- Publication number
- CN220399757U CN220399757U CN202322030022.XU CN202322030022U CN220399757U CN 220399757 U CN220399757 U CN 220399757U CN 202322030022 U CN202322030022 U CN 202322030022U CN 220399757 U CN220399757 U CN 220399757U
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- sealant
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- double
- glass panel
- glass
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- 239000000565 sealant Substances 0.000 title claims abstract description 114
- 239000011521 glass Substances 0.000 title claims abstract description 70
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000012945 sealing adhesive Substances 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 139
- 239000003292 glue Substances 0.000 claims description 7
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 5
- 239000002390 adhesive tape Substances 0.000 abstract description 4
- 239000010409 thin film Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 206010041662 Splinter Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of liquid crystal display screens, in particular to a large glass plate with double layers of sealant, which comprises a substrate, a glass panel and sealant layers, wherein the glass panel is covered on the substrate, and the sealant layers are arranged in a plurality of groups and are positioned between the glass panel and the substrate; the sealant layer is arranged as a double layer; a reserved cutting area is reserved between the two groups of double-layer sealant layers; the cutting and splitting pressure head cuts the glass panel in the cutting area to divide the large glass plate into two sections. The sealing frame formed by the double-layer adhesive tapes is used for bonding and supporting the glass panel, when the glass panel is cut, the outer layer sealing adhesive serving as a main bearing component is more stressed, and the inner layer sealing adhesive serving as an auxiliary bearing component is less stressed; even if the outer layer sealant is separated from the glass panel, the adhesiveness of the inner layer sealant and the glass panel is not affected, the outer layer sealant can share most pressure, the inner layer sealant is protected to be complete and reliable, and the reliability of the TFT glass small section is guaranteed.
Description
Technical Field
The utility model relates to the technical field of liquid crystal display screens, in particular to a large glass plate with double layers of sealant.
Background
A thin film transistor (Thin Film Transistor, TFT) is a device. The TFT type display screen is a mainstream display device on various notebook computers and desktops, and each liquid crystal pixel point on the type display screen is driven by a thin film transistor integrated behind the pixel point, so the TFT type display screen is also an active matrix liquid crystal display device. The display is one of the best LCD color displays, and the TFT type display has the advantages of high responsiveness, high brightness, high contrast ratio and the like, and the display effect is close to that of the CRT display.
In the production process of the TFT liquid crystal screen, a large panel is required to be cut and split by using a pressure head and separated into smaller fragments; in the traditional design of the large TFT screen plate, the split part is easy to cause the compression deformation of glass due to no support in the process of cutting the split, so that the sealant is separated; affecting the quality of the finished product.
Disclosure of Invention
The utility model aims at solving the problems in the background technology and provides a large glass plate with double-layer sealant.
According to the technical scheme, the large glass plate with double-layer sealant comprises a substrate, a glass panel and sealant layers, wherein the glass panel is covered on the substrate, and the sealant layers are arranged in a plurality of groups and are positioned between the glass panel and the substrate;
the sealant layer is arranged as a double layer; a reserved cutting area is reserved between the two groups of double-layer sealant layers;
the cutting and splitting pressure head cuts the glass panel in the cutting area to divide the large glass plate into two sections.
Preferably, the double-layer sealant layer comprises an outer-layer sealant and an inner-layer sealant; the outer layer sealant and the inner layer sealant are arranged in parallel, and a gap is reserved in the middle of the outer layer sealant and the inner layer sealant.
Preferably, after the top and bottom of the double-layer sealant layer are bonded with the glass panel and the substrate respectively, a relatively sealed cavity is formed in the gap in the middle of the double-layer sealant layer.
Preferably, the outer layer of sealant is a main bearing component, and the inner layer of sealant is an auxiliary bearing component.
Preferably, the outer layer sealant, the inner layer sealant and the sealing cavity in the middle are combined to form a double-layer sealing frame.
Preferably, the side close to the outer layer sealing glue is a cutting area, and the side close to the inner layer sealing glue is a display area.
Preferably, the cut-out region is located in the non-display region.
Preferably, the sealant layers are all long strips, and the sections of the sealant layers are rectangular.
Preferably, the sealant layer is an elastic adhesive tape.
Compared with the prior art, the utility model has the following beneficial technical effects:
1. the utility model uses the sealing frame composed of double-layer adhesive tapes to bond and support the glass panel; the double-layer sealant layer comprises an outer-layer sealant and an inner-layer sealant; the outer layer sealant and the inner layer sealant are arranged in parallel, and a gap is reserved in the middle of the outer layer sealant and the inner layer sealant; after the top and the bottom of the double-layer sealing adhesive layer are respectively bonded with the glass panel and the substrate, a gap in the middle of the double-layer sealing adhesive layer forms a relatively sealed cavity; the outer layer sealing glue is a main bearing component, and the inner layer sealing glue is an auxiliary bearing component. When the glass panel in the cutting area is cut by using the cutting and splitting pressure head, the outer layer sealant serving as a main bearing component is stressed more, and the inner layer sealant serving as an auxiliary bearing component is stressed less; even if the outer layer sealant is separated from the glass panel, the adhesiveness of the inner layer sealant and the glass panel is not affected, the outer layer sealant can share most pressure, the inner layer sealant is protected to be complete and reliable, and the reliability of the TFT glass small section is guaranteed.
Drawings
FIG. 1 is a schematic view of a prior art large plate cut;
FIG. 2 is a schematic view of the improved cutting of a large plate according to the present utility model.
Reference numerals: 1. a substrate; 2. a glass panel; 3. a sealant layer; 31. an outer layer of sealant; 32. an inner layer sealant; 4. a cutting zone; 5. cutting a splitting pressure head; 6. a cavity; 7. and a double-layer sealing frame.
Detailed Description
Example 1
As shown in fig. 2, the large glass plate with double-layer sealant provided by the utility model comprises a substrate 1, a glass panel 2 and a sealant layer 3, wherein the glass panel 2 is covered on the substrate 1, and the sealant layer 3 is provided with a plurality of groups and is positioned between the glass panel 2 and the substrate 1;
the sealant layer 3 is arranged as a double layer; a reserved cutting area 4 is reserved between the two groups of double-layer sealant layers 3;
the cutting and splitting press head 5 cuts the glass panel 2 in the cutting area 4 to divide the large glass plate into two sections.
In the present embodiment, the sealant layer 3 is provided in two layers, and the two layers of sealant layer 3 include an outer layer sealant 31 and an inner layer sealant 32; the outer layer sealant 31 and the inner layer sealant 32 are arranged in parallel, and a gap is reserved in the middle of the outer layer sealant and the inner layer sealant; after the top and bottom of the double-layer sealant layer 3 are respectively bonded with the glass panel 2 and the substrate 1, a gap in the middle of the double-layer sealant layer forms a relatively sealed cavity 6; the outer layer sealant 31 is a main bearing component, and the inner layer sealant 32 is an auxiliary bearing component; the outer layer sealant 31, the inner layer sealant 32 and the sealing cavity 6 in the middle are combined to form a double-layer sealing frame 7.
When the glass panel 2 of the cutting area 4 is cut by using the cutting and splitting pressure head 5, the outer layer sealing glue 31 serving as a main bearing part is stressed more, and the inner layer sealing glue 32 serving as an auxiliary bearing part is stressed less; even if the outer layer sealant 31 is separated from the glass panel 2, the adhesiveness between the inner layer sealant 32 and the glass panel is not affected, and the outer layer sealant 31 can share most of pressure, so that the integrity and reliability of the inner layer sealant 32 are protected, and the reliability of the small section of TFT glass is ensured; thus solving the problem that the glass is easy to be pressed and deformed due to no support at the splinter.
Example 2
The utility model provides a large glass plate with double layers of sealant, which comprises a substrate 1, a glass panel 2 and a sealant layer 3, wherein the glass panel 2 is covered on the substrate 1, and the sealant layer 3 is provided with a plurality of groups and is positioned between the glass panel 2 and the substrate 1;
the sealant layer 3 is arranged as a double layer; a reserved cutting area 4 is reserved between the two groups of double-layer sealant layers 3;
the cutting and splitting press head 5 cuts the glass panel 2 in the cutting area 4 to divide the large glass plate into two sections;
unlike embodiment 1, in this embodiment, the side close to the outer layer sealant 31 is the cut area 4, and the side close to the inner layer sealant 32 is the display area 8. The cutting area 4 is located in the non-display area. The cutting area 4 is separated from the display area, and the cutting area 4 is cut without affecting the display area.
Example 3
The utility model provides a large glass plate with double layers of sealant, which comprises a substrate 1, a glass panel 2 and a sealant layer 3, wherein the glass panel 2 is covered on the substrate 1, and the sealant layer 3 is provided with a plurality of groups and is positioned between the glass panel 2 and the substrate 1;
the sealant layer 3 is arranged as a double layer; a reserved cutting area 4 is reserved between the two groups of double-layer sealant layers 3;
the cutting and splitting press head 5 cuts the glass panel 2 in the cutting area 4 to divide the large glass plate into two sections.
Unlike example 1, in this example, the sealant layers 3 were each in the form of an elongated shape, and the cross section thereof was rectangular. The strip-shaped sealant layer 3 is arranged along the long edge of the glass panel 2, and the whole glass panel 2 is stuck and assembled; the rectangular cross section ensures that the contact surface of the sealant layer is larger and firmer when the sealant layer is adhered to the glass panel 2 and the substrate 1; in addition, the sealant layer 3 is an elastic adhesive tape, is soft, can elastically deform when bearing force, and reduces the probability of separating from the glass panel 2.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (6)
1. The utility model provides a big board of glass of double-deck sealed glue, includes base plate (1), glass panel (2) and sealant layer (3), its characterized in that: the glass panel (2) is covered on the substrate (1), and the sealant layers (3) are arranged in a plurality of groups and are positioned between the glass panel (2) and the substrate (1);
the sealant layer (3) is arranged as a double layer; a reserved cutting area (4) is reserved between the two groups of double-layer sealant layers (3);
after the top and the bottom of the double-layer sealing adhesive layer (3) are respectively bonded with the glass panel (2) and the substrate (1), a gap in the middle of the double-layer sealing adhesive layer forms a relatively sealed cavity (6);
the double-layer sealant layer (3) comprises an outer-layer sealant (31) and an inner-layer sealant (32); the outer layer sealant (31) and the inner layer sealant (32) are arranged in parallel, and a gap is reserved in the middle of the outer layer sealant; the outer layer sealant (31), the inner layer sealant (32) and the sealing cavity (6) in the middle are combined to form a double-layer sealing frame (7);
the cutting and splitting pressure head (5) cuts the glass panel (2) of the cutting area (4) to divide the large glass plate into two sections.
2. The large glass plate with double-layer sealant according to claim 1, wherein the outer-layer sealant (31) is a main bearing component, and the inner-layer sealant (32) is an auxiliary bearing component.
3. A large glass pane with double-layer sealant according to claim 1, characterized in that the side close to the outer sealant (31) is the cutting area (4) and the side close to the inner sealant (32) is the display area (8).
4. A double-layer sealant glass pane according to claim 3, characterised in that the cutting zone (4) is located in the non-display area.
5. A large glass pane with double-layer sealant according to claim 1, characterized in that the sealant layers (3) are each elongated and rectangular in cross section.
6. A large glass pane with double-layer sealant according to claim 1, characterized in that the sealant layer (3) is an elastic strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322030022.XU CN220399757U (en) | 2023-07-31 | 2023-07-31 | Glass large plate with double-layer sealant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322030022.XU CN220399757U (en) | 2023-07-31 | 2023-07-31 | Glass large plate with double-layer sealant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220399757U true CN220399757U (en) | 2024-01-26 |
Family
ID=89605747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322030022.XU Active CN220399757U (en) | 2023-07-31 | 2023-07-31 | Glass large plate with double-layer sealant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220399757U (en) |
-
2023
- 2023-07-31 CN CN202322030022.XU patent/CN220399757U/en active Active
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