CN221225225U - Cover plate with fingerprint-proof film and liquid crystal display screen - Google Patents
Cover plate with fingerprint-proof film and liquid crystal display screen Download PDFInfo
- Publication number
- CN221225225U CN221225225U CN202323156274.3U CN202323156274U CN221225225U CN 221225225 U CN221225225 U CN 221225225U CN 202323156274 U CN202323156274 U CN 202323156274U CN 221225225 U CN221225225 U CN 221225225U
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- Prior art keywords
- cover plate
- glue
- liquid crystal
- crystal display
- fingerprint
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 27
- 230000003666 anti-fingerprint Effects 0.000 claims abstract description 37
- 238000009832 plasma treatment Methods 0.000 claims abstract description 17
- 239000003292 glue Substances 0.000 claims description 60
- 239000000758 substrate Substances 0.000 claims description 35
- 239000000853 adhesive Substances 0.000 claims description 19
- 230000001070 adhesive effect Effects 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 239000002356 single layer Substances 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims 6
- 238000010586 diagram Methods 0.000 description 4
- 239000006260 foam Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000006116 anti-fingerprint coating Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
Abstract
The utility model discloses a cover plate with an anti-fingerprint film and a liquid crystal display screen, wherein the cover plate with the anti-fingerprint film comprises a cover plate body, steps are formed on two sides of the upper surface of the cover plate body to form a step part, the cover plate body positioned at a non-step part forms a non-step part, the upper surface of the cover plate body positioned at the non-step part is provided with the anti-fingerprint film, the upper surface of the anti-fingerprint film is covered with a shielding film, two sides of the shielding film exceed the edge of the non-step part, a plasma treatment surface is formed on the upper surface of the cover plate body positioned at the step part, and the shielding film can be torn off after plasma treatment is finished. The structure is provided with the shielding film on the upper surface of the cover plate body of the non-step part, and the shielding film can protect the anti-fingerprint film below the shielding film from being processed by plasma when the cover plate body is put into plasma processing of a plasma machine, so that the anti-fingerprint film on the upper surface of the cover plate of the non-step part can be reserved.
Description
Technical Field
The utility model relates to the technical field of liquid crystal display, in particular to a cover plate with an anti-fingerprint film and a liquid crystal display screen.
Background
At present, the cover plate is generally required to be made into a step-shaped structure because of the design requirements of the appearance and assembly of the product, namely, steps are arranged on two sides of the cover plate, and the structure is required to be fixed with a casing of the whole machine after double-sided adhesive tape is attached to the step surface of the cover plate or adhesive dispensing is carried out. The upper surface of the cover plate is generally provided with an anti-fingerprint coating, and when the anti-fingerprint coating is coated, the step part and the non-step part of the cover plate can be coated simultaneously. The anti-fingerprint film is a film layer which can enable the dyne value of the surface of an object to be very low, the anti-fingerprint film exists at the step position and can seriously reduce the adhesion capability of the upper surface of the cover plate at the step position, so that double-sided sticky or glue cannot be well adhered to the cover plate when an assembly plant is used for assembling a shell and the cover plate, assembly failure is caused, and some products are easy to fall off even if the assembly is successful, and quality safety hazards exist.
Disclosure of utility model
The utility model aims to solve the technical problem of how to improve the dyne value of a cover plate with an anti-fingerprint film, thereby improving the adhesion capability of the upper surface of the cover plate and avoiding assembly failure and product falling after assembly.
The technical problems to be solved by the utility model are realized by the following technical scheme:
In order to solve the technical problems, the utility model provides a cover plate with an anti-fingerprint film, which comprises a cover plate body, wherein steps are formed on two sides of the upper surface of the cover plate body to form a step part, the cover plate body positioned at a non-step part forms a non-step part, the upper surface of the cover plate body positioned at the non-step part is provided with the anti-fingerprint film, the upper surface of the anti-fingerprint film is covered with a shielding film, two sides of the shielding film exceed the edge of the non-step part, a plasma treatment surface is formed on the upper surface of the cover plate body positioned at the step part, and the shielding film can be torn off after plasma treatment is completed.
As a preferred embodiment of the cover plate with the anti-fingerprint film provided by the utility model, both sides of the shielding film exceed the edge of the non-step part by at least 0.2mm.
As a preferred embodiment of the cover plate with the anti-fingerprint film provided by the utility model, the upper surface of the plasma treatment surface is provided with double-sided adhesive tape or glue.
The utility model also provides a liquid crystal display screen, which comprises the cover plate with the fingerprint-proof film, wherein a glue frame, a lower polaroid, a lower substrate, an upper substrate and an upper polaroid are sequentially overlapped from bottom to top below the cover plate body, the glue frame comprises a bottom plate and a buckle extending upwards from the edge of the bottom plate, the lower substrate is longer than the upper substrate and extends outwards to form a single-layer area, the buckle buckles the single-layer area, and the glue frame is used for bearing the lower polaroid, the lower substrate, the upper polaroid and the cover plate body.
As a preferable implementation mode of the liquid crystal display screen provided by the utility model, the width L of the buckle buckling lower substrate is 0.3-0.5 mm.
As a preferable implementation mode of the liquid crystal display screen provided by the utility model, the clearance d 1 between the side wall of the buckle and the lower substrate is less than or equal to 0.2mm.
As a preferred embodiment of the liquid crystal display screen provided by the utility model, a gasket is arranged between the bottom plate and the lower polarizer.
As a preferable implementation mode of the liquid crystal display screen provided by the utility model, the upper surface and the lower surface of the gasket are respectively provided with weak-viscosity glue and strong-viscosity glue.
As a preferable implementation mode of the liquid crystal display screen provided by the utility model, the initial adhesion ratio value of the strong adhesive glue to the weak adhesive glue is 2:1 to 50:1.
As a preferred embodiment of the liquid crystal display provided by the utility model, the glue viscosity of the weak-viscosity glue and the glue viscosity of the strong-viscosity glue are the same, the glue coating shape of the weak-viscosity glue is a grid shape, and the glue coating shape of the strong-viscosity glue is a complete coating.
The utility model has the following beneficial effects:
The upper surface of the cover plate body of the non-step part inevitably forms a certain anti-fingerprint film when the anti-fingerprint film is formed, and the upper surface of the cover plate body of the non-step part is provided with the shielding film, when the cover plate body is placed into plasma treatment of a plasma machine, the shielding film can protect the anti-fingerprint film below the shielding film from being treated by the plasma, so that the anti-fingerprint film on the upper surface of the cover plate of the non-step part is reserved, and the anti-fingerprint film on the upper surface of the cover plate body of the step part is treated by the plasma to form a plasma treatment surface, so that the dyne value of the upper surface of the cover plate body of the step part is improved, the adhesive capacity of the upper surface of the cover plate body of the step part is improved, so that an assembly factory can be well adhered on the cover plate body when the cover plate body is assembled with a shell and the cover plate, assembly failure is avoided, products after assembly are not easy to fall off, the product potential hazards of quality safety hazards are avoided, and the growing quality requirements of enterprises are met.
Drawings
In order to more clearly illustrate the solution of the present application, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a cover plate with an anti-fingerprint film according to the present utility model.
Fig. 2 is a schematic diagram of the improved structure of fig. 1.
Fig. 3 is a schematic structural diagram of embodiment 2.
Fig. 4 is a schematic structural diagram of embodiment 3.
Reference numerals illustrate:
A cover plate body 1; an anti-fingerprint film 11; a shielding film 12; a plasma treatment surface 13;
Double-sided adhesive or glue 2;
A rubber frame 3; a lower polarizer 4; a lower substrate 5; an upper substrate 6; an upper polarizer 7;
a bottom plate 31; a clasp 32;
a gasket 8; a weak tack glue 81; a strong adhesive glue 82.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", and "a third" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
The utility model provides a cover plate with an anti-fingerprint film, which comprises a cover plate body, wherein steps are formed on two sides of the upper surface of the cover plate body to form a step part, the cover plate body positioned at a non-step part forms a non-step part, the upper surface of the cover plate body positioned at the non-step part is provided with the anti-fingerprint film, the upper surface of the anti-fingerprint film is covered with a shielding film, two sides of the shielding film exceed the edge of the non-step part, a plasma treatment surface is formed on the upper surface of the cover plate body positioned at the step part, and the shielding film can be torn off after plasma treatment is finished.
The upper surface of the cover plate body of the non-step part inevitably forms a certain anti-fingerprint film when the anti-fingerprint film is formed, and the upper surface of the cover plate body of the non-step part is provided with the shielding film, when the cover plate body is placed into plasma treatment of a plasma machine, the shielding film can protect the anti-fingerprint film below the shielding film from being treated by the plasma, so that the anti-fingerprint film on the upper surface of the cover plate of the non-step part is reserved, and the anti-fingerprint film on the upper surface of the cover plate body of the step part is treated by the plasma to form a plasma treatment surface, so that the dyne value of the upper surface of the cover plate body of the step part is improved, the adhesive capacity of the upper surface of the cover plate body of the step part is improved, so that an assembly factory can be well adhered on the cover plate body when the cover plate body is assembled with a shell and the cover plate, assembly failure is avoided, products after assembly are not easy to fall off, the product potential hazards of quality safety hazards are avoided, and the growing quality requirements of enterprises are met.
In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings. The present utility model is described in detail below with reference to the drawings and the embodiments, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
Example 1
Referring to fig. 1, the cover plate with an anti-fingerprint film provided by the utility model comprises a cover plate body 1, wherein steps are formed on two sides of the upper surface of the cover plate body 1 to form a step part, the cover plate body 1 positioned at a non-step part forms a non-step part, the upper surface of the cover plate body 1 positioned at the non-step part is provided with the anti-fingerprint film 11, the upper surface of the anti-fingerprint film 11 is covered with a shielding film 12, two sides of the shielding film 12 exceed the edge of the non-step part, a plasma treatment surface 13 is formed on the upper surface of the cover plate body 1 positioned at the step part, and the shielding film 12 can be torn off after plasma treatment is completed.
Further, both sides of the shielding film 12 are at least 0.2mm beyond the edge of the non-stepped portion.
Referring to fig. 2, further, the upper surface of the plasma treatment surface 13 is provided with double-sided adhesive or glue 2.
Example 2
Referring to fig. 3, as a further optimization scheme of embodiment 1, this embodiment provides a liquid crystal display, which includes a cover plate with an anti-fingerprint film as described in any one of the above, a glue frame 3, a lower polarizer 4, a lower substrate 5, an upper substrate 6 and an upper polarizer 7 sequentially stacked from bottom to top are disposed below the cover plate body 1, the glue frame 3 includes a bottom plate 31 and a buckle 32, the buckle 32 is formed by extending upward from the edge of the bottom plate 31, the lower substrate 5 is longer than the upper substrate 6 and extends outward, a single layer area is formed at the edge of the lower substrate 5, the buckle 32 buckles the single layer area, and the glue frame 3 is used for carrying the lower polarizer 4, the lower substrate 5, the upper substrate 6, the upper polarizer 7 and the cover plate body 1. In this embodiment, four buckles 32 symmetrical in pairs are used, but not limited thereto, and in other embodiments, only two buckles 32 may be used, but the stability is not as good as that of the four buckles 32 in this embodiment. Wherein the upper substrate 6 is above the lower substrate 5, and the single layer area where the buckle 32 is buckled is the position where the upper surface of the lower substrate 5 is staggered with the upper substrate 6. The lower substrate 5 includes a circuit area and a non-circuit area, and the snap 32 of this embodiment is preferably snapped on the non-circuit area to prevent the circuit of the lower substrate 5 from being affected. The structure is simple, the process is mature, the cost is low, the lower polaroid 4, the lower substrate 5, the upper substrate 6 and the upper polaroid 7 can be firmly fixed on the rubber frame 3, the lower polaroid is only pressed downwards during assembly, time and labor are not wasted, the assembly efficiency is high, and the production efficiency can be effectively improved.
Further, the width L of the buckle 32 to buckle the lower substrate 5 is 0.3 mm-0.5 mm, if the width L is too short, the buckle 32 is not easy to buckle the lower substrate 5, and the falling phenomenon is easy to occur; whereas if the width L is too long, the difficulty of fitting the lower substrate 5 to the buckle 32 is too great, and the fitting is not easy. The gap d 1 between the side wall of the catch 32 and the lower base plate 5 is preferably 0.2mm or less, if the gap d 1 is too large, it is not easy to catch and there is a risk of falling off. The distance d 2 between the upper and lower base plates 6, 5 is preferably not less than 0.5mm so that the single layer area has sufficient space for the clasp 32 to snap.
Further, a gasket 8 is arranged between the bottom plate 31 and the lower polarizer 4, foam or sponge rubber can be selected as the gasket 8, the foam is preferred in the embodiment, the foam not only has a dustproof effect, but also can ensure a buffer effect in the assembly process of the liquid crystal display. In other embodiments, the sponge rubber can not only play the role, but also firmly adhere the liquid crystal display screen, and further prevent the liquid crystal display screen from separating. More preferably, the thickness delta of the gasket 8 is more than or equal to 0.3mm, so that the gasket 8 has enough thickness to elastically deform while the liquid crystal display screen plays a role in buffering, the elastic force generated by the elastic deformation can apply a certain pressure to the liquid crystal display screen to ensure that the liquid crystal display screen can be clamped more firmly by the buckle 32, the gasket 8 has small elastic force when the thickness delta is too small, and cannot generate enough pressure to the liquid crystal display screen, so that the gasket is easy to fall off.
Example 3
Referring to fig. 4, as a further optimization of embodiment 1, in this embodiment, the upper surface and the lower surface of the spacer 8 are respectively provided with a weak adhesive glue 81 and a strong adhesive glue 82. The lower polaroid 4 is attached to the upper surface of the gasket 8, the bottom plate 31 is attached to the lower surface of the gasket 8, the gasket 8 not only can play a role in buffering and dust prevention, but also can prevent the upper surface of the gasket 8 from pulling the lower polaroid 4 to avoid MURA due to the fact that the lower surface of the gasket 8 is coated with the weak-viscosity glue 81, and further prevent the lower polaroid 4 from deforming; meanwhile, the number of layers of the gasket 8 is small, the gasket 8 can be prevented from falling off, and the lower polaroid 4 is prevented from falling off.
Further, the initial adhesion ratio of the strong adhesive glue 82 to the weak adhesive glue 81 is 2:1 to 50:1, which prevents the upper surface of the spacer 8 from pulling the lower polarizer 4 in the lcd screen to avoid MURA by controlling the adhesion of the glue, thereby preventing the lower polarizer 4 from deforming.
Further, the glue viscosities of the weak adhesive glue 81 and the strong adhesive glue 82 are the same, the glue coating shape of the weak adhesive glue 81 is a grid shape, and the glue coating shape of the strong adhesive glue 82 is a complete coating. Because the glue viscosity of the weak-viscosity glue 81 is the same as that of the strong-viscosity glue 82, only one glue can be purchased, so that the purchasing quantity of the glue becomes large, further the purchasing cost is reduced, meanwhile, the glue cannot be mixed in the gluing process, the production efficiency is improved, the problem of wrong glue use is avoided, the coating shape of the weak-viscosity glue 81 is in a grid shape, the glue area of the weak-viscosity glue 81 is reduced, and the viscosity of the weak-viscosity glue 81 is reduced.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It is apparent that the above-described embodiments are only some embodiments of the present application, but not all embodiments, and the preferred embodiments of the present application are shown in the drawings, which do not limit the scope of the patent claims. This application may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the application are directly or indirectly applied to other related technical fields, and are also within the scope of the application.
Claims (10)
1. The utility model provides a apron with prevent fingerprint membrane, its characterized in that includes apron body (1), the step has all been seted up to the both sides of the upper surface of apron body (1) and form step portion, is located non-step department apron body (1) forms non-step portion, is located non-step portion the upper surface of apron body (1) is provided with prevents fingerprint membrane (11), the upper surface of preventing fingerprint membrane (11) covers has shielding membrane (12), the both sides of shielding membrane (12) all surpass the edge of non-step portion, is located the upper surface of apron body (1) of step portion is formed with plasma treatment face (13), after the plasma treatment is accomplished shielding membrane (12) can be torn.
2. The cover sheet with anti-fingerprint film according to claim 1, characterized in that both sides of the shielding film (12) exceed the edge of the non-step by at least 0.2mm.
3. Cover plate with anti-fingerprint film according to claim 1, characterized in that the upper surface of the plasma treated surface (13) is provided with double sided adhesive or glue (2).
4. A liquid crystal display screen, which comprises a cover plate with an anti-fingerprint film according to any one of claims 1 to 2, characterized in that a rubber frame (3), a lower polarizer (4), a lower substrate (5), an upper substrate (6) and an upper polarizer (7) which are sequentially overlapped from bottom to top are arranged below the cover plate body (1), the rubber frame (3) comprises a bottom plate (31) and a buckle (32) extending upwards from the edge of the bottom plate (31), the lower substrate (5) is longer than the upper substrate (6) and extends outwards to form a single-layer area, the buckle (32) buckles the single-layer area, and the rubber frame (3) is used for bearing the lower polarizer (4), the lower substrate (5), the upper substrate (6), the upper polarizer (7) and the cover plate body (1).
5. The liquid crystal display according to claim 4, wherein the width L of the buckle (32) for buckling the lower substrate (5) is 0.3mm to 0.5mm.
6. The liquid crystal display according to claim 4, wherein a gap d 1 between the side wall of the buckle (32) and the lower substrate (5) is less than or equal to 0.2mm.
7. A liquid crystal display according to claim 4, characterized in that a spacer (8) is arranged between the bottom plate (31) and the lower polarizer (4).
8. A liquid crystal display according to claim 7, characterized in that the upper and lower surfaces of the spacer (8) are provided with a weak adhesive glue (81) and a strong adhesive glue (82), respectively.
9. The liquid crystal display according to claim 8, wherein the initial adhesion ratio of Jiang Nianxing glue (82) to the weak adhesion glue (81) is 2:1 to 50:1.
10. The liquid crystal display according to claim 8, wherein the weak-tack glue (81) and the Jiang Nianxing glue (82) have the same glue tack, the weak-tack glue (81) has a mesh-like glue coating shape, and the Jiang Nianxing glue (82) has a full-coating glue coating shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323156274.3U CN221225225U (en) | 2023-11-21 | 2023-11-21 | Cover plate with fingerprint-proof film and liquid crystal display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323156274.3U CN221225225U (en) | 2023-11-21 | 2023-11-21 | Cover plate with fingerprint-proof film and liquid crystal display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221225225U true CN221225225U (en) | 2024-06-25 |
Family
ID=91566395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323156274.3U Active CN221225225U (en) | 2023-11-21 | 2023-11-21 | Cover plate with fingerprint-proof film and liquid crystal display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221225225U (en) |
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2023
- 2023-11-21 CN CN202323156274.3U patent/CN221225225U/en active Active
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