Corrosion-resistant film-coated cover plate and display module

Abstract

The utility model discloses a corrosion-resistant film-coated cover plate and a display module, comprising a glass cover plate, the center of the glass cover plate is provided with a visual area, the glass cover plate is provided with non-visual areas except the visual area, and the top of the glass cover plate is provided with a film-coated protective layer; wherein the coating protection layer comprises an outer coating layer, a middle coating layer and a bottom coating layer, the middle coating layer is a tin bronze alloy coating layer, and the outer coating layer and the bottom coating layer are distributed at the top and the bottom of the tin bronze alloy coating layer to jointly form the coating protection layer. According to the corrosion-resistant film-coated cover plate and the display module provided by the utility model, the tin bronze alloy film-coated layer is designed on the surface of a conventional glass cover plate, so that the corrosion resistance and the hardness of the glass cover plate can be enhanced through the performance of the tin bronze alloy film-coated layer, and the overall durability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plated cover plate, especially to a kind of corrosion-resistant plated cover plate and display module. BACKGROUND

[0002] With the rapid development of information technology and flat panel display technology, touch screen has been as the symbol of the progress of the times in all walks of life and has a pivotal position, especially in smart phones, tablet computers and other electronic products, which occupies most of the market share.Meanwhile, the large demand of consumers for touch screen products and the technological progress of the industry further promote the continuous development of touch screen technology.

[0003] And as for the touch screen itself, glass cover plate is the outermost protective element of touch screen, with very high performance requirements, and needs to have high light transmittance, scratch resistance, impact resistance and lightness, etc.Now commonly used are soda-lime glass, silicon-aluminum glass and borosilicate glass, but due to the different application environments of products, in some special use environments, the conventional glass cover plate still has performance defects, such as poor corrosion resistance, which can easily accelerate the corrosion of the surface of the glass cover plate, seriously affecting the service life and use experience of the module, therefore, a kind of corrosion-resistant plated cover plate and display module are proposed. SUMMARY

[0004] Therefore, it is necessary to provide a kind of corrosion-resistant plated cover plate and display module for the above technical problems, the surface of conventional glass cover plate is designed with tin bronze alloy plating layer, so that the corrosion resistance and hardness of glass cover plate can be enhanced by the performance of tin bronze alloy plating layer itself, and the overall durability is improved.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A kind of corrosion-resistant plated cover plate, comprising glass cover plate, the center of the glass cover plate has visual area, the glass cover plate is non-visible area except visual area, the top of the glass cover plate has plating protective layer;

[0007] Wherein, the plating protective layer includes external plating layer, middle plating layer and bottom plating layer, the middle plating layer is tin bronze alloy plating layer, the external plating layer and bottom plating layer are distributed on the top and bottom of the tin bronze alloy plating layer to form the plating protective layer.

[0008] Further, the external plating layer is magnesium fluoride plating layer.

[0009] Further, the bottom plating layer is titanium diboride plating layer.

[0010] Further, the tin bronze alloy film layer has a thickness of 20-30nm.

[0011] Further, the magnesium fluoride film layer has a thickness of 50-100nm, and the titanium diboride film layer has a thickness of 15-25nm.

[0012] Further, the visible area comprises a transparent area and a photochromic area, and the photochromic area is surrounded by the transparent area to form the visible area.

[0013] The glass cover plate is provided with a photochromic ink layer at the bottom corresponding to the photochromic area.

[0014] Further, the photochromic ink layer is further provided with a polyester resin layer and a niobium carbide layer at the bottom.

[0015] Further, the photochromic ink layer has a thickness of 8-12 microns, the polyester resin layer has a thickness of 20-30nm, and the niobium carbide layer has a thickness of 15-25nm.

[0016] Further, the non-visible area of the glass cover plate is extended downward to form a first enclosure and a second enclosure.

[0017] The display module comprises the corrosion-resistant film-coated cover plate, and further comprises a middle frame, the top of the middle frame is provided with a first embedding groove and a second embedding groove at positions corresponding to the first enclosure and the second enclosure, the first enclosure and the second enclosure are clamped into the corresponding first embedding groove and second embedding groove and filled with optical glue.

[0018] Further, the middle frame is provided with a TFT display module and a backlight module.

[0019] Compared with the prior art, the corrosion-resistant film-coated cover plate and the display module have the following beneficial effects:

[0020] The corrosion-resistant film-coated cover plate and the display module have the following beneficial effects:

[0021] Meanwhile, a magnesium fluoride film layer is coated on the tin bronze alloy film layer, the magnesium fluoride film layer can reduce light reflection and improve light transmittance, and the tin bronze alloy film layer below can further protect the surface of the glass cover plate from erosion.

[0022] Through the design of the titanium diboride coating layer, since it is directly coated on the surface of the glass cover plate, the scratch resistance of the glass cover plate can be further increased by the high hardness and wear resistance of the titanium diboride coating layer itself, and the lower coating layer and the glass cover plate are protected;

[0023] Through the design of the photosensitive color-changing ink layer, the color of the photosensitive color-changing ink layer can be changed according to temperature change, the interestingness and interactivity of the product are increased, the silk screen printing process is flexible, various patterns and colors can be designed, the appearance of the product is improved, the polyester resin layer below has good flexibility and adhesion, the photosensitive color-changing ink layer can be effectively prevented from being scratched, and a certain buffering effect is provided, the integrity of the photosensitive color-changing ink layer is protected, and finally the niobium carbide layer at the bottom can further enhance the wear resistance of the whole, and provide additional protection for the photosensitive color-changing ink layer, the polyester resin layer and the glass cover plate, and ensure the long-term stability of the whole coating structure.

[0024] Through the cooperation of the first enclosing barrier, the second enclosing barrier, the first embedding groove and the second embedding groove, the edges between the glass cover plate and the middle frame can form a maze after the glass cover plate and the middle frame are assembled, so that the protection of the visual area can be realized, and the problem that dust falls into the middle frame through the gap at the edge of the glass cover plate is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A structure schematic view of the corrosion-resistant coated cover plate and the display module is provided in the utility model.

[0026] Figure 2 A glass cover plate structure schematic view of the corrosion-resistant coated cover plate and the display module is provided in the utility model.

[0027] Figure 3 A first enclosing barrier and a second enclosing barrier structure schematic view of the corrosion-resistant coated cover plate and the display module is provided in the utility model.

[0028] Figure 4 A visual area and a non-visual area structure schematic view of the corrosion-resistant coated cover plate and the display module is provided in the utility model.

[0029] Figure 5 A photosensitive color-changing ink layer structure schematic view of the corrosion-resistant coated cover plate and the display module is provided in the utility model.

[0030] Figure 6 A photosensitive color-changing ink layer structure schematic view of the corrosion-resistant coated cover plate and the display module is provided in the utility model. Figure 5 An enlarged structure schematic view of the middle A is provided in the utility model.

[0031] Figure 7 A middle frame internal structure schematic view of the corrosion-resistant coated cover plate and the display module is provided in the utility model.

[0032] Figure 8 The anti-corrosion coated cover plate and display module provided by the present application Figure 1 An enlarged structural schematic view of the middle B.

[0033] The following marks in the drawings are explained as follows:

[0034] Glass cover plate 1, visible area 11, non-visible area 12, first enclosure 13, second enclosure 14;

[0035] Transparent area 110, photosensitive color-changing area 111;

[0036] Coated protective layer 2, outer coated layer 21, middle coated layer 22, bottom coated layer 23;

[0037] Photosensitive color-changing ink layer 3, polyester resin layer 31, niobium carbide layer 32;

[0038] Middle frame 4, first embedded groove 41, second embedded groove 42;

[0039] TFT display module 5;

[0040] Backlight module 6. DETAILED DESCRIPTION

[0041] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0042] As described in the background, the conventional glass cover plate has poor corrosion resistance, and is prone to accelerate the aging of the whole module in special use environment.

[0043] In order to solve this technical problem, the present application provides an anti-corrosion coated cover plate and display module, which is applied to a coated cover plate.

[0044] Specifically, please refer to Figures 1-8 The anti-corrosion coated cover plate specifically comprises a glass cover plate 1, the center of the glass cover plate 1 has a visible area 11, the glass cover plate 1 is a non-visible area 12 except the visible area 11, and the glass cover plate 1 has a coated protective layer 2 on the top;

[0045] The film coating protective layer 2 comprises an outer film coating layer 21, a middle film coating layer 22 and a bottom film coating layer 23, the middle film coating layer 22 is a tin bronze alloy film coating layer, and the outer film coating layer 21 and the bottom film coating layer 23 are arranged on the top and bottom of the tin bronze alloy film coating layer to jointly form the film coating protective layer 2.

[0046] The corrosion-resistant film-coated cover plate can enhance the corrosion resistance and hardness of the glass cover plate 1 through the performance of the tin bronze alloy film coating layer, and improve the overall durability.

[0047] Specifically, referring to Figures 1-8 The display module comprises a corrosion-resistant film-coated cover plate, and further comprises a middle frame 4, the top of the middle frame 4 is provided with a first embedding groove 41 and a second embedding groove 42 at positions corresponding to the first enclosing part 13 and the second enclosing part 14, and the first enclosing part 13 and the second enclosing part 14 are clamped into the first embedding groove 41 and the second embedding groove 42 and filled with optical glue.

[0048] The corrosion-resistant display module can form a labyrinth between the edges of the glass cover plate 1 and the middle frame 4 after assembly, so that the visual area can be protected, and the problem that dust falls into the middle frame 4 through the gap at the edge of the glass cover plate 1 can be avoided.

[0049] In order to enable personnel in the technical field to better understand the utility model scheme, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings.

[0050] It should be noted that, in the case of no conflict, the embodiments and the features and technical solutions in the embodiments in the utility model can be combined with each other.

[0051] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0052] Embodiment one

[0053] Please refer to Figures 1-8 A corrosion-resistant film-coated cover plate comprises a glass cover plate 1, the glass cover plate 1 has a visual area 11 at the center, the glass cover plate 1 is a non-visual area 12 except the visual area 11, and the glass cover plate 1 is provided with a film coating protective layer 2 on the top.

[0054] The coating protective layer 2 comprises an outer coating layer 21, a middle coating layer 22 and a bottom coating layer 23. The middle coating layer 22 is a tin bronze alloy coating layer. The outer coating layer 21 and the bottom coating layer 23 are arranged on the top and bottom of the tin bronze alloy coating layer to form the coating protective layer 2.

[0055] The outer coating layer 21 is a magnesium fluoride coating layer. The chemical formula of the magnesium fluoride coating layer in the embodiment is MgF2.

[0056] The bottom coating layer 23 is a titanium diboride coating layer. The chemical formula of the titanium diboride coating layer in the embodiment is TiB2.

[0057] The tin bronze alloy coating layer, the magnesium fluoride coating layer and the titanium diboride coating layer are coated on the surface of the conventional glass cover plate 1. The magnesium fluoride layer is the outermost layer, which effectively reduces light reflection and improves light transmittance due to its low refractive index. The tin bronze alloy layer enhances the corrosion resistance and hardness of the glass cover plate 1, and cooperates with the magnesium fluoride layer to maintain the stability of the glass cover plate 1 in special environment, thereby improving the overall durability. The titanium diboride layer further enhances the wear resistance and provides a solid protection for the glass cover plate surface. The glass body serves as a substrate to ensure the stability and transparency of the structure.

[0058] Embodiment Two

[0059] The corrosion-resistant coated cover plate provided in Embodiment One is further optimized. Specifically, as shown in Figure 4 , the thickness of the tin bronze alloy coating layer is twenty nanometers to thirty nanometers, the thickness of the magnesium fluoride coating layer is fifty nanometers to one hundred nanometers, and the thickness of the titanium diboride coating layer is fifteen nanometers to twenty-five nanometers.

[0060] In actual application, the thickness of the tin bronze alloy coating layer, the magnesium fluoride coating layer and the titanium diboride coating layer can be adjusted adaptively to achieve better proportioning.

[0061] Embodiment Three

[0062] The corrosion-resistant coated cover plate provided in Embodiment One or Two is further optimized. As shown in Figure 3 , Figure 4 and Figure 5 , the visible area 11 comprises a transparent area 110 and a photosensitive color-changing area 111. The photosensitive color-changing area 111 is surrounded by the transparent area 110 to form the visible area 11.

[0063] The photosensitive color-changing ink layer 3 is arranged on the bottom of the glass cover plate 1 corresponding to the photosensitive color-changing area 111, and can change color according to temperature change, thereby increasing the interest and interactivity of the product, and the screen printing process is flexible, and various patterns and colors can be designed, thereby improving the appearance of the product.

[0064] The bottom of the photosensitive color-changing ink layer 3 is further provided with a polyester resin layer 31 and a niobium carbide layer 32, wherein the thickness of the photosensitive color-changing ink layer 3 is 8-12 microns, the thickness of the polyester resin layer 31 is 20-30 nanometers, and the thickness of the niobium carbide layer 32 is 15-25 nanometers.

[0065] The polyester resin layer 31 in the embodiment has good flexibility and adhesion, can effectively prevent the ink layer from being scratched, and at the same time provides a certain buffering effect to protect the integrity of the ink layer; the niobium carbide layer 32 has very high hardness and wear resistance, can further enhance the overall wear resistance, and provides additional protection for the ink layer, the polyester resin layer and the glass body, and ensures the long-term stability of the entire coating structure.

[0066] As shown in the drawings, Figure 1 The first enclosing part 13 and the second enclosing part 14 are formed on the surface of the non-visible area 12 of the glass cover plate 1 and extend downward.

[0067] Embodiment Four

[0068] The embodiment provides a display module, as shown in the drawings, Figure 1 and Figure 7 The display module comprises the corrosion-resistant coated cover plate in the above-mentioned embodiments one, two and three, and further comprises a middle frame 4, the top of the middle frame 4 is provided with a first embedding groove 41 and a second embedding groove 42 corresponding to the positions of the first enclosing part 13 and the second enclosing part 14, and the first enclosing part 13 and the second enclosing part 14 are clamped into the first embedding groove 41 and the second embedding groove 42 and filled with optical glue.

[0069] As shown in the drawings, Figure 7 After the glass cover plate 1 and the middle frame 4 are embedded and assembled with each other, the edges between the glass cover plate 1 can form a maze (i.e. the contact surface of the glass cover plate 1 and the middle frame 4 is in a non-planar state) through the cooperation of the first enclosing part 13, the second enclosing part 14, the first embedding groove 41 and the second embedding groove 42, so that the protection of the visible area 11 can be realized, because the dust and the like from the outside need to pass through the edges of the glass cover plate 1 to enter the middle frame 4, and need to pass through the “maze”, and since the “maze” is filled with optical glue, the protection effect of the edges of the glass cover plate 1 is improved, and the contact area of the glass cover plate 1 and the middle frame 4 is increased, and the strength of the connection is improved.

[0070] The middle frame 4 is internally provided with a TFT display module 5 and a backlight module 6, the display screen is lighted by the display light source provided by the backlight module 6 and irradiated on the surface of the TFT display module 5, the user can watch the display screen outside the glass cover plate 1, and the bottom of the middle frame 4 is further provided with a machine shell (not shown in the figure).

[0071] In the present application, unless otherwise clearly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise clearly limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0072] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments, the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or equivalently replace some technical features. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly applied to other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A corrosion resistant coated cover panel, characterized in that, The glass cover plate (1) has a visible area (11) in the center, and the rest of the glass cover plate (1) is a non-visible area (12), and the glass cover plate (1) has a film-coated protective layer (2) on the top. The film-coated protective layer (2) includes an outer film-coated layer (21), a middle film-coated layer (22), and a bottom film-coated layer (23), the middle film-coated layer (22) is a tin bronze alloy film-coated layer, and the outer film-coated layer (21) and the bottom film-coated layer (23) are arranged on the top and bottom of the tin bronze alloy film-coated layer to form the film-coated protective layer (2) together.

2. The corrosion resistant coated cover panel of claim 1, wherein, The outer film-coated layer (21) is a magnesium fluoride film-coated layer.

3. The corrosion resistant coated cover panel of claim 2, wherein, The bottom film-coated layer (23) is a titanium diboride film-coated layer.

4. The corrosion resistant coated cover sheet of claim 1, wherein, The thickness of the tin bronze alloy film-coated layer is 20-30 nm.

5. The corrosion resistant coated cover panel of claim 3, wherein, The thickness of the magnesium fluoride film-coated layer is 50-100 nm, and the thickness of the titanium diboride film-coated layer is 15-25 nm.

6. The corrosion resistant coated cover sheet of claim 1, wherein, The visible area (11) includes a transparent area (110) and a photosensitive color-changing area (111), and the photosensitive color-changing area (111) surrounds the transparent area (110) to form the visible area (11) together. A photosensitive color-changing ink layer (3) is arranged on the bottom of the glass cover plate (1) corresponding to the photosensitive color-changing area (111).

7. The corrosion resistant coated cover panel of claim 6, wherein, The bottom of the photosensitive color-changing ink layer (3) is further provided with a polyester resin layer (31) and a niobium carbide layer (32). The thickness of the photosensitive color-changing ink layer (3) is 8-12 microns, the thickness of the polyester resin layer (31) is 20-30 nm, and the thickness of the niobium carbide layer (32) is 15-25 nm.

8. The corrosion resistant coated cover sheet of claim 1, wherein, The non-visible area (12) on the glass cover plate (1) extends downward to form a first enclosure (13) and a second enclosure (14).

9. A display module comprising the corrosion-resistant coated cover plate of any one of claims 1-8, wherein, A middle frame (4) is further included, and the top of the middle frame (4) is provided with a first embedding groove (41) and a second embedding groove (42) corresponding to the positions of the first enclosure (13) and the second enclosure (14), and the first enclosure (13) and the second enclosure (14) are inserted into the corresponding first embedding groove (41) and second embedding groove (42) and filled with optical glue.

10. The display module of claim 9, wherein, The middle frame (4) is provided with a TFT display module (5) and a backlight module (6).

Images