CN209913872U - Electronic equipment rear cover module - Google Patents
Electronic equipment rear cover module Download PDFInfo
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- CN209913872U CN209913872U CN201921048828.9U CN201921048828U CN209913872U CN 209913872 U CN209913872 U CN 209913872U CN 201921048828 U CN201921048828 U CN 201921048828U CN 209913872 U CN209913872 U CN 209913872U
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Abstract
The utility model discloses a lid module behind electronic equipment, a serial communication port, include: a carrier layer; the bonding layer is arranged on one side of the bearing layer; wherein the thickness of the bonding layer is not more than 25 micrometers, and the Young modulus of the bonding layer is not less than 107(ii) a And the functional layer is positioned on one side of the bonding layer, which is far away from the bearing layer. The utility model provides a pair of lid module behind electronic equipment, the tie coat that this module adopted, tie coat thickness is not more than 20 microns, just the Young modulus of tie coat is not less than 107(ii) a Therefore, the yield rate is high when the optical sheet is bonded with the bearing layer, the appearance effect is better, and invisible marks cannot be generated or reduced.
Description
Technical Field
The utility model relates to a technical field of electronic product especially relates to a lid module behind electronic equipment.
Background
With the continuous development of electronic technology, consumer electronics are closer to the lives of people. For example, smart phones are indispensable partners that consumers carry with them. Consumers also pay more and more attention to use experience, but the appearance and the function of the existing smart phone tend to be homogeneous, and personalized requirements cannot be met. In this way, the realization of the difference in appearance and function becomes a breakthrough point of the smartphone. For example, the rear cover of a smart phone is one of important components of the smart phone, but the parameter setting between the existing smart phone rear cover stacks will affect the appearance of the mobile phone rear cover in a large factor.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a rear cover module of an electronic device to solve the above technical problems.
The utility model discloses a technical scheme of decorating membrane is:
an electronic device back cover module, comprising:
a carrier layer;
the bonding layer is arranged on one side of the bearing layer; wherein the thickness of the bonding layer is not more than 25 micrometers, and the Young modulus of the bonding layer is not less than 107；
And the functional layer is positioned on one side of the bonding layer, which is far away from the bearing layer.
In one embodiment, the polymer layer is located on one side, away from the bearing layer, of the bonding layer, a first micro-nano structure is arranged on one side, away from the bonding layer, of the polymer layer, and the first micro-nano structure forms a first micro-nano structure layer.
In one embodiment, the polymer micro-nano structure further comprises a reflecting layer, wherein the reflecting layer is positioned on one side of the polymer layer, which is far away from the first micro-nano structure, and/or the reflecting layer is positioned on one side of the first micro-nano structure layer, which is far away from the polymer layer.
In one embodiment, when the reflecting layer is located on one side of the first micro-nano structure layer, which is far away from the polymer layer, a coloring layer is arranged on one side of the reflecting layer, which is far away from the first micro-nano structure layer.
In one embodiment, the structure further comprises a second micro-nano structure layer, the second micro-nano structure layer is composed of a second micro-nano structure, and the second micro-nano structure layer is located on one side of the polymer layer, which is far away from the first micro-nano structure layer, and/or on one side of the first micro-nano structure layer, which is far away from the polymer layer.
In one embodiment, when the second micro-nano structure layer is located on the side, far away from the polymer layer, of the first micro-nano structure layer, the absolute value of the difference between the refractive indexes of the second micro-nano structure layer and the first micro-nano structure layer is not less than 0.01.
In one embodiment, the absolute value of the difference between the refractive indexes of the first micro-nano structure and/or the second micro-nano structure and the bonding layer is not less than 0.01.
In one embodiment, the method further comprises: the substrate layer comprises a first surface and a second surface opposite to the first surface; the base material layer is positioned on one side of the bonding layer away from the bearing layer; the polymer layer is located on a first surface, at the moment, the first micro-nano structure and the side, far away from the base material layer, of the polymer layer form a first micro-nano structure layer.
In one embodiment, the functional layer is arranged on the second surface of the substrate layer; or the functional layer is arranged between the substrate layer and the polymer layer; or the functional layer is positioned on one side of the polymer layer far away from the base material layer.
In one embodiment, the functional layer is a metal mesh, and the metal mesh is convex or embedded.
In one embodiment, the functional layer includes at least one of an antenna module, a display module, a touch module, a wireless charging module, an NFC module, a light emitting module, and an electrochromic module.
The utility model has the advantages that: the utility model provides a pair of lid module behind electronic equipment, the tie coat that this module adopted, the tie coat thickness is not more than 25 microns, just the Young's modulus of tie coat is not less than 107(ii) a Therefore, the yield rate is high when the optical sheet is bonded with the bearing layer, the appearance effect is better, and invisible marks cannot be generated or reduced.
Drawings
Fig. 1 is a schematic cross-sectional view of a rear cover module of an electronic device according to the present invention;
fig. 2 is a schematic cross-sectional view of an optical sheet in the rear cover module of the electronic device according to the present invention;
fig. 3 is a schematic cross-sectional view of an optical sheet in the rear cover module of the electronic device according to the present invention;
fig. 4 is a schematic cross-sectional view of an optical sheet in the rear cover module of the electronic device according to the present invention;
fig. 5 is a schematic cross-sectional view of an optical sheet in the rear cover module of the electronic device according to the present invention;
fig. 6 is a schematic cross-sectional view of an optical sheet in the rear cover module of the electronic device according to the present invention;
fig. 7 is a schematic cross-sectional view of an optical sheet with a functional film in a rear cover module of an electronic device according to the present invention;
fig. 8 is a schematic cross-sectional view of an optical sheet with a functional film in a rear cover module of an electronic device according to the present invention;
fig. 9 is a schematic cross-sectional view of an optical sheet with a functional film in a rear cover module of an electronic device according to the present invention;
fig. 10 is a schematic cross-sectional view of an optical sheet with a functional film in a rear cover module of an electronic device according to the present invention;
fig. 11 is a schematic cross-sectional view of an optical sheet with a functional film in a rear cover module of an electronic device according to the present invention;
fig. 12 is a schematic cross-sectional view of an optical sheet with a functional film in a rear cover module of an electronic device according to the present invention;
fig. 13 is a schematic cross-sectional view of an optical sheet with a functional film in a rear cover module of an electronic device according to the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The utility model provides a pair of lid module behind electronic equipment, a serial communication port, include:
a carrier layer; the bearing layer can be made of glass, composite boards, ceramics, PET, PMMA and other materials, and when the bearing layer is used as a user interface, the bearing layer is required to have certain hardness, so that the bearing layer is convenient for users to use.
The bonding layer is arranged on one side of the bearing layer; wherein the thickness of the bonding layer is not more than 20 microns, and the Young modulus of the bonding layer is not less than 107(ii) a Of course, the thickness of the adhesive layer may also be different according to the requirements of different products, for example, in the case of ultra-thin products, the thickness of the adhesive layer may be 10 micrometers, or the thickness of the adhesive layer may be 5 micrometers or even thinner; however, for product thicknesses that are not sought after as being ultra-thin, the adhesive layer thickness can likewise be set to be thicker, for example 25 micrometers, or 35 micrometers, or even up to 50 micrometers; the Young's modulus of the adhesive layer is not less than 107The requirement of (2) mainly for the tie coat that makes has a certain amount of hardness, makes in the electronic equipment back cover module like this can be better when combining with bearing material play isolated effect, and isolated or reduce the structure on the optics and carry out the rubbing print on the tie coat to realize that there is not obvious unnecessary structure or texture in the vision to be perceived, such electronic equipment back cover module is more gorgeous.
And the optical sheet is positioned on one side of the bonding layer, which is far away from the bearing layer. The optical sheet mainly aims at achieving other functions, for example, the optical sheet has one or more of light and shadow, imaging, gradient, touch control, light emitting, color changing, antenna, display, wireless charging and NFC, and the description is not exhaustive, and the optical sheet is within the scope as long as the optical sheet can achieve the purpose of decorating an aesthetic appearance and/or function keys.
In one embodiment, when the optical sheet realizes a decorative aesthetic effect, the optical sheet includes:
an optical sheet body including a first surface and a second surface disposed opposite the first surface; the optical sheet body can be a polymer layer, the polymer layer can be light-cured glue or heat-cured glue, or the polymer layer is arranged on one side of a base material layer such as PET, glass, a composite plate and ceramic, and the polymer layer is light-cured glue and/or heat-cured glue.
The first micro-nano structure is formed on the second surface of the optical sheet body or the polymer layer to form a first micro-nano structure layer. The first micro-nano structure is one or a combination of a linear cylindrical mirror, a curved cylindrical mirror, a micro lens, a wiredrawing line, a CD line, a groove, an image and text and the like, and can realize the effects of light and shadow change, gradual change, patterns (the image and text can be a point line, specific characters, pictures, LOGO and the like) and the like.
In one embodiment, the optical sheet further comprises a reflecting layer, wherein the reflecting layer is positioned on one side of the optical sheet body, which is far away from the first micro-nano structure, and/or the reflecting layer is positioned on one side of the first micro-nano structure layer, which is far away from the optical sheet body; when the optical sheet body is a base material layer such as PET, glass, a composite plate, ceramic and the like, one side of the optical sheet body is provided with a polymer layer, the polymer layer is light curing glue and/or heat curing glue, and the reflecting layer can also be arranged between the polymer layer and the base material layer; the reflecting layer can be formed by silk-screen printing, coating, vapor plating or sputtering, and the like, can achieve the effect of displaying colors and also can play a role of changing light lines, wherein the material of the reflecting layer can be a simple substance, a compound or a mixture.
In one embodiment, when the reflecting layer is positioned on one side of the first micro-nano structure layer away from the optical sheet body, a coloring layer is arranged on one side of the reflecting layer away from the first micro-nano structure layer; the coloring layer can play a role of coloring and also can play a role of shielding, and the material of the coloring layer can be ink or material capable of shielding light.
In one embodiment, the structure further comprises a second micro-nano structure layer, wherein the second micro-nano structure layer is composed of a second micro-nano structure, and the second micro-nano structure layer is positioned on one side of the polymer layer, which is far away from the first micro-nano structure layer, and/or one side of the first micro-nano structure layer, which is far away from the polymer layer; the second micro-nano structure is one or a combination of structures such as a linear cylindrical mirror, a curved cylindrical mirror, a micro lens, a wiredrawing, a CD (compact disc) pattern, a groove, an image and text, and the like, and can realize the effects of light and shadow change, gradual change, patterns (the image and text can be a point pattern, specific characters, pictures, LOGO and the like) and the like; when the first micro-nano structure layer and the second micro-nano structure layer are arranged on the same side, the absolute value of the difference between the refractive indexes of the first micro-nano structure layer and the second micro-nano structure layer is not less than 0.01, so that the micro-nano structure of one layer cannot be filled by the micro-nano structure of the other layer to ensure that the micro-nano structure cannot realize the effect of the micro-nano structure; moreover, the micro-nano structures of the first micro-nano structure layer and the second micro-nano structure layer can be the same or different.
When the optical sheet body is a substrate layer and a polymer layer, the second micro-nano structure layer is composed of a second micro-nano structure, and the second micro-nano structure layer is located on one side of the first surface of the substrate layer and/or one side of the second surface.
In one embodiment, the absolute value of the difference between the refractive indexes of the first micro-nano structure and/or the second micro-nano structure and the bonding layer is not less than 0.01, so that the micro-nano structure is not covered by the bonding layer and cannot form an optical effect when the optical sheet is bonded with the bearing layer through the bonding layer, and the bonding layer can be optical adhesives such as OCA (optical clear adhesive).
In one embodiment, in order to enable the electronic device rear cover module to implement the function of the function key pattern, the rear cover module includes a carrier layer; the bonding layer is arranged on one side of the bearing layer; wherein the thickness of the bonding layer is not more than 20 microns, and the Young modulus of the bonding layer is not less than 107(ii) a And the functional layer is positioned on one side of the bonding layer, which is far away from the bearing layer. The functional layer comprises at least one of an antenna module, a display module, a touch module, a wireless charging module, an NFC module, a light emitting module and electrochromism. Of course, the functional layer may be implemented alone or in combinationThe fixed function is bonded with the bearing layer through a bonding layer; certainly, the functional layer can be combined with the decoration function to realize the rear cover module with the functions and the attractiveness combined in advance, so that the manufacturing process can be well reduced, and a comprehensive product can be realized by fewer process means.
The optical sheet includes: an optical sheet body including a first surface and a second surface disposed opposite the first surface; the optical sheet body can be a polymer layer, the polymer layer is light-cured or heat-cured glue, or the polymer layer is arranged on one side of a base material layer such as PET, glass, a composite plate and ceramics, and the polymer layer is light-cured glue and/or heat-cured glue; the first micro-nano structure is formed on the second surface of the optical sheet body (or the polymer layer) to form a first micro-nano structure layer; the optical sheet with the functional layer can be further provided with a second micro-nano structure layer; the first micro-nano structure described above may be used in this embodiment; the functional layer may be located on either side of the optical sheet body or between other structural layers in one side of the optical body.
When the polymer layer is arranged on the surface of the base material layer, the functional layer can be arranged on the second surface of the base material layer; or the functional layer is arranged between the substrate layer and the polymer layer; or the functional layer is positioned on one side of the polymer layer far away from the base material layer.
In one embodiment, the functional layer is a metal mesh, and the metal mesh is convex or embedded; the metal mesh may then form a sensor, antenna, NFC, wireless charging, etc.
Referring to fig. 1, the present invention provides a rear cover module for an electronic device, including:
a carrier layer 1; the bearing layer 1 can be made of glass, composite boards, ceramics, PET, PMMA and other materials, and when the bearing layer 1 is used as a user interface, the bearing layer is required to have certain hardness, so that the bearing layer is convenient for users to use.
A tie layer 2 ofThe junction layer 2 is arranged on one side of the bearing layer 1; wherein the thickness H of the bonding layer 2 is not more than 20 micrometers, and the Young modulus of the bonding layer 2 is not less than 107(ii) a Of course, the thickness H of the adhesive layer 2 may be different according to different product requirements, for example, the thickness of the adhesive layer 2 may be thinner in the ultra-thin product; however, for a thickness of the product that is not sought after for being ultra-thin, the thickness of the adhesive layer 2 can also be set thicker, for example 25 micrometers, or 35 micrometers, or even up to 50 micrometers; the Young's modulus of the adhesive layer 2 is not less than 107The requirement of (2) mainly for the tie coat that makes has a certain amount of hardness, makes in the electronic equipment back cover module like this can be better when combining with bearing material play isolated effect, and isolated or reduce the structure on the optics and carry out the rubbing print on the tie coat to realize that there is not obvious unnecessary structure or texture in the vision to be perceived, such electronic equipment back cover module is more gorgeous.
And the optical sheet 3 is positioned on one side of the bonding layer 2, which is far away from the bearing layer 1. The optical sheet 3 mainly aims at achieving other functions, for example, the optical sheet 3 has one or more of light shadow, imaging, gradient, touch control, light emitting, color changing, antenna, display, wireless charging and NFC, and the description is not exhaustive, and the optical sheet is within the scope as long as the optical sheet can achieve the purpose of decorating an aesthetic appearance and/or function keys.
Referring to fig. 2, the optical sheet 3 includes: an optical sheet body 31, the optical sheet body 31 including a first surface and a second surface disposed opposite to the first surface; the optical sheet body 31 is provided with a polymer layer on one side of a substrate layer such as PET, glass, a composite plate, ceramic and the like, and the polymer layer is light curing glue and/or heat curing glue. The first micro-nano structure is formed on the second surface of the optical sheet body 31 to form a first micro-nano structure layer 32, UV glue is arranged on one surface of the optical sheet body 31, and the micro-nano structure is formed on the surface of the optical sheet body in a stamping mode and the like. The first micro-nano structure is one or a combination of a linear cylindrical mirror, a curved cylindrical mirror, a micro lens, a wiredrawing line, a CD line, a groove, an image and text and the like, and can realize the effects of light and shadow change, gradual change, patterns (the image and text can be a point line, specific characters, pictures, LOGO and the like) and the like. The optical sheet 3 further comprises a reflecting layer 33, wherein the reflecting layer 33 is positioned on one side of the optical sheet body 31 far away from the first micro-nano structure and/or the reflecting layer 33 is positioned on one side of the first micro-nano structure layer 32 far away from the optical sheet body 31; the reflecting layer 33 may be formed by silk-screen printing, spraying, vapor deposition or sputtering, the reflecting layer 33 may be used to display color and also to change light lines, wherein the material of the reflecting layer 33 may be a simple substance, a compound or a mixture. When the reflecting layer 33 is positioned on one side of the first micro-nano structure layer 32 far away from the optical sheet body 31, a coloring layer 34 is arranged on one side of the reflecting layer 33 far away from the first micro-nano structure layer 32; the colored layer 34 may be colored or may serve as a light shielding layer, and the material of the colored layer 34 may be ink or a material that can shield light.
Referring to fig. 3, the optical sheet 3 further includes a second micro-nano structure layer 35, the second micro-nano structure layer 35 is formed by a second micro-nano structure, and the second micro-nano structure layer 35 is located between the PET and the UV glue in the optical sheet body 31; referring to fig. 4, when the first micro-nano structure layer 32 and the second micro-nano structure layer 35 are disposed on the same side, an absolute value of a difference between refractive indexes of the first micro-nano structure layer 32 and the second micro-nano structure layer 35 is not less than 0.01, so as to ensure that a micro-nano structure cannot be filled by another micro-nano structure to cause that the micro-nano structure cannot realize its effect; moreover, the micro-nano structures of the first micro-nano structure layer and the second micro-nano structure layer may be the same or different, the second micro-nano structure layer 35 may realize a gradual change effect, and the second micro-nano structure layer 35 may be combined with the first micro-nano structure layer 32 to form an image-text structure.
Referring to fig. 5, the second micro-nano structure layer 35 and the first micro-nano structure layer 32 are located on two sides of the optical sheet body 31, and at this time, when the optical sheet 3 is bonded to the carrier layer 1 through the bonding layer 2, it is required that an absolute value of a difference between refractive indexes of the second micro-nano structure layer 35 and the bonding layer 2 is not less than 0.01, so that it is ensured that the micro-nano structure is not covered by the bonding layer and cannot form an optical effect when the optical sheet is bonded to the carrier layer through the bonding layer, and the bonding layer may be some optical adhesives such as OCA.
Referring to fig. 6, the first micro-nano structure layer adopts a new micro-nano structure 36, and the new micro-nano structure 36 is formed by combining a straight line and a curve, so that different light and shadow effects can be generated.
Referring to fig. 7 to 9, the electronic device rear cover module further includes a functional layer 4, on the basis of fig. 2, the functional layer 4 may be located on a side of the colored layer 34 away from the optical body 31, and similarly, the functional layer 4 may be located between PET and UV glue in the optical body 31; the functional layer 4 may be provided on the first surface side of the optical body 31. And the functional layer 4 can be at least one of an antenna module, a display module, a touch module, a wireless charging module, an NFC module, a light emitting module, and electrochromic.
Referring to fig. 10 to 12, the functional layer 4 is an embedded conductive layer 40, the conductive layer includes a polymer and a metal mesh 41 or a conductive mesh 41, a groove is formed on the surface of the polymer, the groove forms a line or a mesh, a conductive material is disposed in the groove to form the conductive layer, and the position of the conductive layer is similar to that of the functional layer in fig. 7 to 9, which can also refer to fig. 10 to 12; of course, the metal mesh or the conductive mesh constituting the conductive layer may also be a protruding structure, and the conductive layer may implement functions such as touch control, wireless charging, antenna, NFC, and the like.
Referring to fig. 13, the functional layer 4 includes a conductive layer 40 and another conductive layer 40', and two conductive layers are disposed, so that the two conductive layers can be disposed on different layers to realize functions of touch control or fingerprint identification.
The utility model provides a pair of lid module behind electronic equipment, the tie coat that this module adopted, tie coat thickness is not more than 20 microns, just the Young modulus of tie coat is not less than 107(ii) a This allows for a good yield in bonding the optical sheet to the carrier layerThe energy is high, so that the appearance effect is better, and invisible marks cannot appear or be reduced.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings. In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the invention. Moreover, the technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (11)
1. A lid module behind electronic equipment, characterized in that includes:
a carrier layer;
the bonding layer is arranged on one side of the bearing layer; wherein the thickness of the bonding layer is not more than 25 micrometers, and the Young modulus of the bonding layer is not less than 107；
And the functional layer is positioned on one side of the bonding layer, which is far away from the bearing layer.
2. The electronic equipment rear cover module according to claim 1, further comprising a polymer layer, wherein the polymer layer is located on one side, away from the bearing layer, of the bonding layer, a first micro-nano structure is arranged on one side, away from the bonding layer, of the polymer layer, and the first micro-nano structure forms a first micro-nano structure layer.
3. The electronic device rear cover module according to claim 2, further comprising a reflective layer, wherein the reflective layer is located on one side of the polymer layer away from the first micro-nano structure and/or the reflective layer is located on one side of the first micro-nano structure layer away from the polymer layer.
4. The electronic device rear cover module according to claim 3, wherein when the reflecting layer is located on the side of the first micro-nano structure layer away from the polymer layer, a coloring layer is arranged on the side of the reflecting layer away from the first micro-nano structure layer.
5. The electronic device rear cover module according to claim 2, further comprising a second micro-nano structure layer, wherein the second micro-nano structure layer is composed of a second micro-nano structure, and the second micro-nano structure layer is located on one side of the polymer layer, which is far away from the first micro-nano structure layer, and/or on one side of the first micro-nano structure layer, which is far away from the polymer layer.
6. The electronic device rear cover module according to claim 5, wherein when the second micro-nano structure layer is located on the side, away from the polymer layer, of the first micro-nano structure layer, the absolute value of the difference between the refractive indexes of the second micro-nano structure layer and the first micro-nano structure layer is not less than 0.01.
7. The electronic device rear cover module according to claim 5, wherein an absolute value of a difference between refractive indexes of the first micro-nano structure and/or the second micro-nano structure and the bonding layer is not less than 0.01.
8. The electronic device back cover module of claim 2, further comprising: the substrate layer comprises a first surface and a second surface opposite to the first surface; the base material layer is positioned on one side of the bonding layer away from the bearing layer; the polymer layer is located on a first surface, at the moment, the first micro-nano structure and the side, far away from the base material layer, of the polymer layer form a first micro-nano structure layer.
9. The electronic device rear cover module as claimed in claim 8, wherein said functional layer is disposed on said substrate layer second surface; or the functional layer is arranged between the substrate layer and the polymer layer; or the functional layer is positioned on one side of the polymer layer far away from the base material layer.
10. The electronic device rear cover module according to any one of claims 1 to 9, wherein the functional layer is a metal mesh, and the metal mesh is convex or embedded.
11. The electronic device rear cover module according to any one of claims 1 to 9, wherein the functional layer includes at least one of an antenna module, a display module, a touch module, a wireless charging module, an NFC module, a light emitting module, and an electrochromic module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921048828.9U CN209913872U (en) | 2019-07-05 | 2019-07-05 | Electronic equipment rear cover module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921048828.9U CN209913872U (en) | 2019-07-05 | 2019-07-05 | Electronic equipment rear cover module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209913872U true CN209913872U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921048828.9U Active CN209913872U (en) | 2019-07-05 | 2019-07-05 | Electronic equipment rear cover module |
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|---|---|
| CN (1) | CN209913872U (en) |
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- 2019-07-05 CN CN201921048828.9U patent/CN209913872U/en active Active
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