CN107984302B - Manufacturing method of glass cover plate, glass cover plate and mobile terminal - Google Patents
Manufacturing method of glass cover plate, glass cover plate and mobile terminal Download PDFInfo
- Publication number
- CN107984302B CN107984302B CN201711084909.XA CN201711084909A CN107984302B CN 107984302 B CN107984302 B CN 107984302B CN 201711084909 A CN201711084909 A CN 201711084909A CN 107984302 B CN107984302 B CN 107984302B
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- China
- Prior art keywords
- cover plate
- glass cover
- protective layer
- substrate
- glass
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/119—Deposition methods from solutions or suspensions by printing
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/355—Temporary coating
Abstract
The embodiment of the invention provides a manufacturing method of a glass cover plate, the glass cover plate and a mobile terminal, wherein the method comprises the following steps: carrying out CNC (computer numerical control) processing on an original glass substrate to obtain a glass cover plate substrate, wherein the glass cover plate substrate comprises a plane area and an arc surface area positioned on at least one side of the plane area; disposing a protective layer on the planar region; sweeping and grinding the cambered surface area; and removing the protective layer to obtain the glass cover plate. By the embodiment of the invention, the manufacture of the glass cover plate is realized, the influence of a sweeping and grinding process on a plane area is avoided, the flatness of the glass cover plate is ensured, and the qualification rate of the glass cover plate is improved.
Description
Technical Field
The invention relates to the field of mechanical structures, in particular to a manufacturing method of a glass cover plate, the glass cover plate and a mobile terminal.
Background
With the development of science and technology, mobile terminals are widely applied in life and work, and the standards of users on the functions and the appearances of the mobile terminals are higher and higher.
In a mobile terminal, a glass cover plate is an important part, the glass cover plate can comprise 2D, 2.5D and 3D glass cover plates, and the 2.5D glass cover plate is more attractive in appearance than the 2D glass cover plate and is less difficult in manufacturing process than the 3D glass cover plate, so that the 2.5D glass cover plate is most widely applied.
In prior art, processes such as CNC profile modeling, sweep and grind can be adopted usually to process the cambered surface, and then obtain the 2.5D glass apron that has the cambered surface, but because the volatility to the sweep grinding process of cambered surface is great, often will set up to the regional sweep grinding that should set up as the plane and be the cambered surface, lead to the regional increase of 2.5D glass apron cambered surface, planar regional reduction influences the roughness of 2.5D glass apron, reduces the qualification rate of 2.5D glass apron.
Disclosure of Invention
The embodiment of the invention provides a manufacturing method of a glass cover plate, the glass cover plate and a mobile terminal, and aims to solve the problem that the flatness of the glass cover plate is influenced by the existing manufacturing method.
In order to solve the technical problem, the invention is realized as follows: a method of making a glass cover plate, the method comprising:
carrying out CNC (computer numerical control) processing on an original glass substrate to obtain a glass cover plate substrate, wherein the glass cover plate substrate comprises a plane area and an arc surface area positioned on at least one side of the plane area;
disposing a protective layer on the planar region;
sweeping and grinding the cambered surface area;
removing the protective layer to obtain the glass cover plate
The embodiment of the invention also provides a glass cover plate, and the glass cover plate is manufactured by adopting the manufacturing method of the glass cover plate.
The embodiment of the invention also provides a mobile terminal which is provided with the glass cover plate.
The embodiment of the invention has the following advantages:
in the embodiment of the invention, the glass cover plate substrate comprising the plane area and the cambered surface area positioned on at least one side of the plane area is obtained by carrying out CNC (computer numerical control) processing on the original glass substrate, then the protective layer is arranged on the plane area, the cambered surface area is swept and ground, and the protective layer is removed to obtain the glass cover plate, so that the glass cover plate is manufactured, the influence of the sweeping and grinding process on the plane area is avoided, the flatness of the glass cover plate is ensured, and the qualification rate of the glass cover plate is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a flow chart illustrating steps of a method for forming a glass cover plate according to an embodiment of the present invention;
FIG. 2 is a schematic view of a 2.5D glass cover plate according to an embodiment of the present invention;
FIG. 3 is a comparative schematic view of a glass cover plate according to an embodiment of the present invention;
FIG. 4 is a schematic view of another glass cover plate according to an embodiment of the present invention;
FIG. 5 is a schematic view of another glass cover plate according to an embodiment of the present invention;
FIG. 6 is a schematic view of another glass cover plate according to an embodiment of the present invention;
FIG. 7 is a flow chart illustrating steps in an alternative method of forming a glass cover plate in accordance with embodiments of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a flow chart of steps of a method of making a glass cover plate, which may include a 2.5D glass cover plate, according to an embodiment of the present invention is shown.
As shown in figure 2, the middle part of the 2.5D glass cover plate and the common 2D glass cover plate are both in a plane, but the difference is that the edge of the glass cover plate is in a certain radian, so that the edge looks like a water drop, the integral visual effect of the screen and the machine body is improved, and the hand feeling is also improved.
Briefly, as shown in fig. 3, the 2D glass cover plate is a pure plane without any arc design, the 2.5D glass cover plate is a plane with a center and an arc design with edges, and the 3D glass cover plate adopts an arc design with both the center and the edges.
Specifically, the embodiment of the present invention may include the following steps:
in the embodiment of the invention, the arc surface parameters can be preset, and then the CNC is controlled to adopt the grinding wheel rod with the arc surface to carry out CNC processing on the original glass substrate so as to process the edge of the original glass substrate into the arc surface.
After the CNC machining is completed, a glass cover substrate may be obtained, the glass cover substrate may include a planar region and an arc region located on at least one side of the planar region, the planar region may be the middle of the glass cover substrate, and the arc region may be the edge of the glass cover substrate.
It should be noted that other parameters, such as length and width dimensions, may be preset in the embodiments of the present invention, so as to CNC machine the original glass substrate into a glass cover substrate meeting the requirements of the length and width dimensions, and the CNC machining may further include other machining processes, such as a shock receiver hole.
the plane area can comprise a camera hole area, and in the use process of the glass cover plate, the camera hole of the camera is located below the camera hole area.
After the glass cover plate substrate is obtained through CNC machining, the glass cover plate substrate is provided with the cambered surface area, but the cambered surface area is not smooth enough, the cambered surface area needs to be swept and ground, so that the cambered surface area is smoother, the sweeping and grinding process is larger in fluctuation, the cambered surface area is further enlarged possibly, the flatness of the plane area is affected, as shown in figure 4, the dotted line is the cambered surface area a before sweeping and grinding, and the corresponding solid line is the cambered surface area b after sweeping and grinding.
In the mobile terminal, the camera has strict requirements on the flatness of the camera hole area, as shown in fig. 5, the arc area b after the sweeping is larger than the arc area a before the sweeping, and the arc area b enters the camera hole area c.
When the cambered surface region appears in the camera hole region, the cambered surface region can influence the light path, so that the camera imaging is fuzzy, and the photographing effect of the mobile terminal is influenced.
In the embodiment of the invention, the protective layer can be arranged on the plane area, and when the cambered surface area needs to be swept and ground, even if the plane area is swept and ground, the flatness of the plane area cannot be influenced because the protective layer is arranged on the plane area.
In a preferred embodiment of the present invention, the protective layer may be a first ink, which may be made of crude oil, diluent, etc., and step 102 may include the following sub-steps:
substep 11, screen-printing first ink on the surface of the plane area;
in the embodiment of the invention, the first ink can be printed on the surface to be swept and ground in the plane area in a silk-screen mode, and when the plane area is swept and ground due to errors, the first ink blocks the sweeping and grinding from directly acting on the plane area, so that the flatness of the plane area is ensured.
In a preferred embodiment of the present invention, due to the increasing screen occupation ratio, the distance between the camera hole area and the arc area is smaller, and in order to ensure that the camera hole area is covered by the protective layer and is not affected by the setting deviation of the protective layer, the first distance between the camera hole area and the arc area may be greater than the second distance between the protective layer and the arc area, as shown in fig. 6, where the first distance d1 is greater than the second distance d 2.
As an example, the difference between the first distance and the second distance may be greater than 0.1 mm, such as may be 0.15 mm, to ensure that the protective layer covers the camera hole area.
In a preferred embodiment of the present invention, since the glass cover substrate may have multiple sides, such as 4 sides, the planar region may also have multiple sides, the arc region may be located on one side or multiple sides of the planar region, and the second distance between the protection layer and the arc region on each side of each planar region may be equal, so that the protection layer and the arc region may maintain the same distance throughout the entire circle, thereby avoiding the uneven sweeping width of the arc region due to the different second distances.
103, sweeping and grinding the cambered surface area;
after the protective layer is arranged, the cambered surface area can be subjected to special-shaped sweeping and grinding by adopting a sweeping and polishing machine in the embodiment of the invention, so that the cambered surface area is smoother.
And 104, removing the protective layer to obtain the glass cover plate.
After the arc area is swept, the protective layer can be removed, and the glass cover plate meeting the specification is obtained.
In a preferred embodiment of the present invention, step 104 may include the following sub-steps:
and substep 21, removing the protective layer by adopting strong alkali liquor to obtain the glass cover plate.
In the embodiment of the invention, the protective layer can be removed by adopting strong alkali liquor to obtain the glass cover plate.
In the embodiment of the invention, the glass cover plate substrate comprising the plane area and the cambered surface area positioned on at least one side of the plane area is obtained by carrying out CNC (computer numerical control) processing on the original glass substrate, then the protective layer is arranged on the plane area, the cambered surface area is swept and ground, and the protective layer is removed to obtain the glass cover plate, so that the glass cover plate is manufactured, the influence of the sweeping and grinding process on the plane area is avoided, the flatness of the glass cover plate is ensured, and the qualification rate of the glass cover plate is improved.
Referring to fig. 7, a flowchart illustrating steps of a method for manufacturing a glass cover plate according to an embodiment of the present invention may include the following steps:
in embodiments of the invention, a bulk glass substrate is selected and then may be cut into raw glass substrates that conform to the shape of the glass cover plate.
Because the original glass substrate is thicker, the upper surface and the lower surface of the original glass substrate can be roughly ground by the sweeping and grinding machine, so that the thickness of the original glass substrate accords with the preset thickness of the glass cover plate.
the glass cover plate substrate can comprise a plane area and an arc surface area positioned on at least one side of the plane area;
in the embodiment of the invention, the arc surface parameters can be preset, and then the CNC is controlled to adopt the grinding wheel rod with the arc surface to carry out CNC processing on the original glass substrate so as to process the edge of the original glass substrate into the arc surface.
After the CNC machining is completed, a glass cover substrate may be obtained, the glass cover substrate may include a planar region and an arc region located on at least one side of the planar region, the planar region may be the middle of the glass cover substrate, and the arc region may be the edge of the glass cover substrate.
in the embodiment of the invention, the protective layer can be arranged on the planar area on the front surface, and when the cambered surface area needs to be swept and ground, even if the planar area is swept and ground, the flatness of the planar area cannot be directly influenced due to the protective layer arranged on the planar area.
after the protective layer is arranged, the cambered surface area can be subjected to special-shaped sweeping and grinding by adopting a sweeping and polishing machine in the embodiment of the invention, so that the cambered surface area is smoother.
after the arc area is swept, the protective layer can be removed, and the glass cover plate meeting the specification is obtained.
after the glass cover plate is obtained, the glass cover plate can be strengthened to improve the strength of the glass cover plate, for example, a strengthening treatment method using ion replacement is adopted.
Before the strengthening treatment, the embodiment of the invention can also perform sweeping grinding on the upper surface and the lower surface of the glass cover plate so as to remove appearance defects of the upper surface and the lower surface.
And step 707, screen printing a second ink on the surface of the glass cover plate.
After the strengthening treatment, the second ink can be silkscreened on the surface of the glass cover plate, so that the frame area of the glass cover plate has colors, and the aesthetic feeling of the appearance is improved.
Wherein, the second ink can be made of materials such as crude oil, thinner and the like.
Of course, after the protective layer is removed to obtain the glass cover plate, those skilled in the art may perform other treatments on the glass cover plate according to actual requirements, such as white glass inspection, etc., and the present invention is not limited thereto,
in the embodiment of the invention, the glass cover plate substrate comprising the plane area and the cambered surface area positioned on at least one side of the plane area is obtained by carrying out CNC (computer numerical control) processing on the original glass substrate, then the protective layer is arranged on the plane area, the cambered surface area is swept and ground, and the protective layer is removed to obtain the glass cover plate, so that the glass cover plate is manufactured, the influence of the sweeping and grinding process on the plane area is avoided, the flatness of the glass cover plate is ensured, and the qualification rate of the glass cover plate is improved.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
The embodiment of the invention also discloses a glass cover plate, and the glass cover plate is manufactured by adopting the manufacturing method of the glass cover plate.
The embodiment of the invention also discloses a mobile terminal which comprises the glass cover plate.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A method of making a glass cover plate, the method comprising:
sweeping and grinding the original glass substrate to obtain the original glass substrate with a preset thickness;
carrying out CNC (computer numerical control) processing on an original glass substrate to obtain a glass cover plate substrate, wherein the glass cover plate substrate comprises a plane area and an arc surface area positioned on at least one side of the plane area;
disposing a protective layer on the planar region;
sweeping and grinding the cambered surface area;
removing the protective layer to obtain a glass cover plate;
carrying out strengthening treatment on the glass cover plate;
silk-screening second printing ink on the surface of the glass cover plate;
and the second distance between the protective layer and each cambered surface area is equal.
2. The method of claim 1, wherein the planar region comprises a camera hole region, and wherein a first distance between the camera hole region and the arc region is greater than a second distance between the protective layer and the arc region.
3. The method of claim 1, wherein the step of providing a protective layer on the planar region comprises:
silk-screening first printing ink on the surface of the plane area;
wherein the protective layer is a first ink.
4. The method of claim 3, wherein the step of removing the protective layer to obtain a glass cover plate comprises:
and removing the protective layer by adopting strong alkali liquor to obtain the glass cover plate.
5. The method of claim 2, wherein the difference between the first distance and the second distance is greater than 0.1 millimeters.
6. The method of claim 1, wherein the glass cover plate is a 2.5D glass cover plate.
7. A glass cover plate, characterized in that it is manufactured by the method for manufacturing a glass cover plate according to any one of claims 1 to 6.
8. A mobile terminal, characterized in that the mobile terminal comprises the glass cover plate according to claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711084909.XA CN107984302B (en) | 2017-11-07 | 2017-11-07 | Manufacturing method of glass cover plate, glass cover plate and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711084909.XA CN107984302B (en) | 2017-11-07 | 2017-11-07 | Manufacturing method of glass cover plate, glass cover plate and mobile terminal |
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| Publication Number | Publication Date |
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| CN107984302A CN107984302A (en) | 2018-05-04 |
| CN107984302B true CN107984302B (en) | 2020-05-26 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108942423A (en) * | 2018-08-24 | 2018-12-07 | 社旗易玻科技有限公司 | 2.5D AG glass machining technique |
| CN109333166B (en) * | 2018-09-26 | 2020-08-04 | 南阳富新特光电科技有限公司 | Spherical glass processing technology |
| CN109547676B (en) * | 2018-11-27 | 2020-07-28 | 维沃移动通信（杭州）有限公司 | Camera hole cover plate, camera hole cover plate processing method and mobile terminal |
| CN111791092A (en) * | 2019-04-09 | 2020-10-20 | 南昌欧菲光学技术有限公司 | Arc cover plate sweeping method |
| CN110091220A (en) * | 2019-05-14 | 2019-08-06 | 东莞市金盾防护科技有限公司 | A kind of glass bright border processing method of safeguard film for cellular phone |
| CN110270889A (en) * | 2019-06-24 | 2019-09-24 | 蓝思科技（长沙）有限公司 | A kind of production method and system of glassware |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8673163B2 (en) * | 2008-06-27 | 2014-03-18 | Apple Inc. | Method for fabricating thin sheets of glass |
| KR101078347B1 (en) * | 2009-01-28 | 2011-10-31 | 주식회사 엘티에스 | Method for manufacturing a window glass for a mobile terminal |
| CN104743889B (en) * | 2013-12-27 | 2017-05-03 | 昆山维信诺显示技术有限公司 | A processing method of a glass cover plate |
| CN104656985B (en) * | 2015-01-16 | 2018-05-11 | 苏州市智诚光学科技有限公司 | A kind of manufacture craft of notebook touch-control glass cover board |
| CN105948520A (en) * | 2016-05-23 | 2016-09-21 | 信利光电股份有限公司 | 3D (three-dimensional) glass cover plate and method for manufacturing same |
| CN107265882B (en) * | 2017-07-28 | 2020-02-07 | 维沃移动通信有限公司 | Processing method of glass cover plate and mobile terminal |
| CN107302609A (en) * | 2017-08-02 | 2017-10-27 | 上海青橙实业有限公司 | Mobile terminal |
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