CN107347103A - A kind of 3D cell phone rear covers and its moulding process - Google Patents
A kind of 3D cell phone rear covers and its moulding process Download PDFInfo
- Publication number
- CN107347103A CN107347103A CN201710721152.4A CN201710721152A CN107347103A CN 107347103 A CN107347103 A CN 107347103A CN 201710721152 A CN201710721152 A CN 201710721152A CN 107347103 A CN107347103 A CN 107347103A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000000465 moulding Methods 0.000 title claims abstract description 18
- 230000008569 process Effects 0.000 title claims abstract description 18
- 239000011521 glass Substances 0.000 claims abstract description 85
- 229920002799 BoPET Polymers 0.000 claims abstract description 30
- 238000013003 hot bending Methods 0.000 claims abstract description 15
- 238000005452 bending Methods 0.000 claims abstract description 12
- 238000013461 design Methods 0.000 claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims abstract description 10
- 238000004080 punching Methods 0.000 claims abstract description 7
- 239000000047 product Substances 0.000 claims description 20
- 239000005357 flat glass Substances 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 17
- 239000011265 semifinished product Substances 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000007731 hot pressing Methods 0.000 claims description 5
- 238000005496 tempering Methods 0.000 claims description 5
- 239000006116 anti-fingerprint coating Substances 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 4
- 238000007639 printing Methods 0.000 claims description 4
- 230000003666 anti-fingerprint Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000001771 vacuum deposition Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 238000009738 saturating Methods 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000006748 scratching Methods 0.000 abstract description 4
- 230000002393 scratching effect Effects 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
The present invention discloses a kind of 3D cell phone rear covers, one includes body, body includes glass back cover and PET film, glass back cover uses glass heat bender one hot bending, PET film punching molding, and PET film is in glass back cover, above-mentioned interior flat part coincides with flat part, lateral bending portion coincides with inner side turn of bilge, above-mentioned PET film by transparent optical glue-line it is vacuum abutted with above-mentioned glass back cover together with, and the one side that above-mentioned PET film and above-mentioned glass back cover fit is provided with ink design layer.A kind of 3D cell phone rear covers of the present invention, because glass back cover and PET film will not interfere to signal, make the signal of mobile phone stronger, and wireless charging can be realized, the application of suitable 5G networks, and glass have it is light, thin, resistance to scratch, thermal advantage, make cell phone rear cover that accordingly there is light, thin, the resistance to effect for scratching, radiating, do not easily cause cell-phone heating.Invention additionally discloses a kind of moulding process of 3D cell phone rear covers.
Description
Technical field
The present invention relates to Cellphone Accessories, more particularly to a kind of cell phone rear cover and its moulding process.
Background technology
The cell phone rear cover that tradition is sold is generally made of plastics, is reached by spraying various paint on plastic casing
Multi-effect, but the wearability of plastics is poor, insufficient strength, making exterior surface after plastic handset, (cell phone rear cover is towards mobile phone
The one side of mainboard is inner surface, and the one side backwards to cell phone mainboard is outer surface) it is easily damaged or scratches, in order to improve mobile phone
The wearability and intensity of bonnet, are also had and are process using stainless steel, but the hand held middle mistake of such a stainless steel cell phone rear cover
In heaviness, thus, now occur one kind on the market and use metallic mobile phone bonnet made of metal material, due to aluminium have it is light, resistance to
The advantages of mill property height, soft handle, high intensity, then existing metallic mobile phone bonnet is commonly aluminum cell phone rear cover.However, the aluminum
The metallic character of cell phone rear cover can cause interference to signal, battery can not be realized wireless charging, can not be applied to 5G networks, and
It can be generated heat using rear cell phone rear cover for a long time.
In view of this, the present inventor furthers investigate to above mentioned problem, is produced then by this case.
The content of the invention
In view of this, it is an object of the invention to provide it is a kind of it is resistance to scratch, light, thin, radiating is good, will not generate heat, not
Signal can be interfered, realize the wireless charging of battery of mobile phone, and the 3D cell phone rear covers of suitable 5G network applications.
It is an object of the invention to also provide one kind mold it is resistance to scratch, it is light, thin, radiating it is good, will not generate heat, can't
Signal is interfered, realizes the wireless charging of battery of mobile phone, and the moulding process of the 3D cell phone rear covers of suitable 5G network applications.
In order to reach above-mentioned purpose, solution of the invention is：A kind of 3D cell phone rear covers, including body, body tool
Have a backboard that the back side with mobile phone fits and the side frame to be fitted with the gusset of mobile phone, above-mentioned body include glass back cover and
PET film, above-mentioned glass back cover has the flat part to be matched with backboard size and the lateral bending portion to be matched with side frame size, above-mentioned
Lateral bending portion has what is matched with backboard size using glass heat bender and above-mentioned flat part one hot bending, above-mentioned PET film
Interior flat part and the inner side turn of bilge to be matched with side frame size, above-mentioned inner side turn of bilge and interior flat part punching molding, above-mentioned PET film
In above-mentioned glass back cover, above-mentioned interior flat part coincides with flat part, and lateral bending portion coincides with inner side turn of bilge, above-mentioned PET
Film by transparent optical glue-line it is vacuum abutted with above-mentioned glass back cover together with, and above-mentioned PET film is affixed with above-mentioned glass back cover
The one side of conjunction is provided with ink design layer.
Above-mentioned ink design layer has UV transfers texture layer, vacuum electric coating and the printing-ink from bottom to top set gradually
Patterned layer, the thickness of above-mentioned ink design layer is 10-30um.
The thickness of above-mentioned glass back cover is 0.5-1.0mm.
The thickness of above-mentioned PET film is 25-75um.
The outer surface Vacuum Deposition of above-mentioned glass back cover is provided with an anti-fingerprint coating.
A kind of moulding process of 3D cell phone rear covers, is achieved by the steps of：
First, sawing sheet, using glass cutting machine, sawing sheet is carried out to glass, sawing sheet goes out size phase when being spread out with cell phone rear cover
Identical sheet glass, the thickness of this glass is 0.5-1.0mm；
2nd, hot bending, hot bending is carried out to the sheet glass of step 1 using glass heat bender, will during hot bending
The sheet glass of step 1 first heats and softens at 80 DEG C, 100 DEG C, 200 DEG C, 300 DEG C, 400 DEG C successively, enters afterwards at 500 DEG C
The multiple hot pressing Light deformation downwards of row, finally carried out at 680 DEG C repeatedly downwards it is hot-forming go out its profile and cell phone rear cover it is outer
The glass back cover semi-finished product that shape matches；
3rd, be surface-treated, the surface of the glass back cover semi-finished product of step 2 is polished successively, clean and tempering at
Reason, primary antibody fingerprint film is electroplated to the surface vacuum of glass back cover after tempering processing, obtains glass finished-product；
4th, cut, cut out the size identical film slitting part of its size and step 1 sheet glass；
5th, pattern is handled, and pattern ink processing is carried out in the one side of the film slitting piece of step 4, forms pattern ink
Layer, the ink of pattern ink layer have 2-6 layers, and the thickness of the pattern ink layer is 10-30um, obtains film handling member；
6th, punching, shaping, the film handling member of step 5 is corresponded into position punch at the hole position of cell phone rear cover, afterwards
The film semi-finished product to be matched with cell phone rear cover shape are punched into by outline die technique；
7th, it is molded, the glass finished-product of the diaphragm finished product of step 6 and step 3 is placed in four application of a surface machines and led to
It is vacuum abutted to cross transparent optical cement, obtains being combined into by glass and the complete phase re-posted of film, and glass finished-product is coated on diaphragm
3D cell phone rear covers outside finished product；
8th, the 3D cell phone rear covers of step 7 are subjected to de-bubble processing using defoaming machine, obtain 3D cell phone rear cover finished products.
In step 3, the pure water contact angle of above-mentioned anti-fingerprint film is less than 110 degree.
The pattern ink processing of above-mentioned steps five has UV transfer process, vacuum plating processing and pattern printing ink successively
Layer.
After adopting the above technical scheme, a kind of 3D cell phone rear covers of the present invention, because glass back cover and PET film will not be right
Signal interferes, and makes the signal of mobile phone stronger, and can realize wireless charging, the application of suitable 5G networks, and glass has matter
Gently, it is thin, resistance to scratch, thermal advantage, make cell phone rear cover that accordingly there is light, thin, the resistance to effect for scratching, radiating, do not easily cause hand
Machine generates heat.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
A kind of 3D cell phone rear covers of the present invention, as shown in figure 1, including body, there is the body back side with mobile phone to be affixed
The backboard of conjunction and the side frame to be fitted with the gusset of mobile phone,
Body includes glass back cover 1 and PET film 2, glass back cover 1 have the flat part 11 that is matched with backboard size and with
The lateral bending portion 12 that side frame size matches, lateral bending portion 12 is using glass heat bender and 11 integral hot bending of flat part, after glass
Lid is using the glass of the series of Corning Incorporated 2320, and PET film 2 is with the interior flat part 21 and and side to be matched with backboard size
The inner side turn of bilge 22 that frame size matches, inner side turn of bilge 22 use clicking technique one punching molding, glass with interior flat part 21
Bonnet 1 is made up of flat part 11 and lateral bending portion 12 chamber, and PET film 2 is in the chamber of glass back cover 1, and interior flat board
Portion 21 coincides with flat part 11, and lateral bending portion 12 coincides with inner side turn of bilge 22, moreover, PET film 2 passes through transparent optical glue-line 3
Together with vacuum abutted with glass back cover 1, and PET film 2 is provided with ink design layer 4 with the one side that glass back cover 1 fits.
Preferably：The ink design layer 4 has UV transfers texture layer 41, the vacuum electric coating from bottom to top set gradually
42 and printing-ink patterned layer 43, i.e. UV transfer texture layer 41 are between PET film 2 and vacuum electric coating 42, vacuum electric coating
42 between UV transfer texture layers 41 and printing-ink patterned layer 43, and the printing-ink patterned layer 43 is in vacuum electric coating 42
Between transparent optical glue-line 3, UV transfer texture layers 41 refer to forming texture, printing-ink figure by the way of UV is transferred
Pattern layer refers to forming pattern by the way of printing.The gross thickness of the ink design layer 4 is 10-30um, the thickness of glass back cover 1
Degree is 0.5-1.0mm, and the thickness of PET film 2 is 25-75um, and the transparent optical glue-line 3 can be coated directly on printing-ink pattern 43
On, glass back cover 1 can be also coated directly on towards in the one side of PET film 2.
A kind of 3D cell phone rear covers of the present invention, because glass back cover 1 and PET film 2 will not interfere signal, make to adopt
Signal with the mobile phone of the cell phone rear cover of the present invention is stronger, and can realize wireless charging, the application of suitable 5G networks, and after glass
Lid have it is light, thin, resistance to scratch, thermal advantage, make cell phone rear cover that accordingly there is light, thin, the resistance to effect for scratching, radiating, no
Easily cause cell-phone heating, can wireless charging, it is anti-riot it is resistance to fall, high surface hardness, and feel ice is slided fine and smooth, gentle as beautiful, and presents
3D effect.
A kind of 3D cell phone rear covers of the present invention, the outer surface Vacuum Deposition of the glass back cover 1 are provided with an anti-fingerprint coating 5, profit
With this anti-fingerprint coating 5, the surface of cell phone rear cover is set to remain brightness effect.
A kind of moulding process of 3D cell phone rear covers of the present invention, is achieved by the steps of：
First, sawing sheet, using glass cutting machine, sawing sheet is carried out to glass, sawing sheet goes out size phase when being spread out with cell phone rear cover
Identical sheet glass, the thickness of this glass is 0.5-1.0mm, i.e. the size of glass is the size and mobile phone of the backboard of cell phone rear cover
The summation of size after the expansion of bonnet gusset, the metering system for the size that this cell phone rear cover is spread out is to first pass through three-dimensional software to this
Cell phone rear cover is modeled, and show that cell phone rear cover divides into the size of plane by the cell phone rear cover model of modeling afterwards；
2nd, hot bending, hot bending is carried out to the sheet glass of step 1 using glass heat bender, during hot bending, step
Rapid one sheet glass first heats and softens at 80 DEG C, 100 DEG C, 200 DEG C, 300 DEG C, 400 DEG C successively, through heat and soften successively be
Carried out on same pipeline under the heater box of different temperatures, carry out multiple hot pressing Light deformation at 500 DEG C afterwards, finally exist
Multiple hot compression deformation is carried out at 680 DEG C into the concrete operations of the Light deformation at two temperature are sheet glass conveyings after softening
During to 500 DEG C of heater box, the hot pressing die in heater box just carries out 3-4 time slow to sheet glass and pushed, make sheet glass by
Light deformation is walked, is delivered to again in 680 DEG C of heater box afterwards, the hot pressing die in this heater box is carried out 2-6 times to sheet glass again
Slowly push, the final profile of sheet glass is matched with the profile of cell phone rear cover, formed glass back cover semi-finished product, that is, utilize
Glass heat bender goes out the side one hot bending of sheet glass in the lateral bending portion to be matched with the gusset of cell phone rear cover,
3rd, be surface-treated, the surface of the glass back cover semi-finished product of step 2 is polished successively, clean and tempering at
Reason, primary antibody fingerprint film is electroplated to the surface vacuum of glass back cover after tempering processing, obtains glass finished-product；
4th, cut, cut out the size identical film slitting part of its size and step 1 sheet glass；
5th, pattern is handled, and pattern ink processing is carried out in the one side of the film slitting piece of step 4, forms pattern ink
Layer, the ink of pattern ink layer have 2-6 layers, and the thickness of the pattern ink layer is 10-30um, obtains film handling member；
6th, punching, shaping, the film handling member of step 5 is corresponded into position punch at the hole position of cell phone rear cover, afterwards
The film semi-finished product to be matched with cell phone rear cover shape are punched into by outline die technique；
7th, it is molded, the glass finished-product of the diaphragm finished product of step 6 and step 3 is placed in four application of a surface machines and led to
It is vacuum abutted to cross transparent optical cement, obtains being combined into by glass and the complete phase re-posted of film, and glass finished-product is coated on diaphragm
3D cell phone rear covers outside finished product, the transparent optical cement can be coated on film semi-finished product or on glass finished-product；
8th, the 3D cell phone rear covers of step 7 are subjected to de-bubble processing using defoaming machine, obtain 3D cell phone rear cover finished products.
A kind of 3D cell phone rear covers moulding process of the present invention, passes through the hot bending and glass of glass and the vacuum abutted work of film
Artistic skill molds the cell phone rear cover being made up of glass and PET film, and glass is as the outer surface of cell phone rear cover, because of glass and PET
Film will not interfere to signal, make the signal of mobile phone stronger, and can realize wireless charging, the application of suitable 5G networks, and
Glass have it is light, thin, resistance to scratch, thermal advantage, make cell phone rear cover that accordingly there is light, thin, the resistance to effect for scratching, radiating,
Do not easily cause cell-phone heating, can wireless charging, it is anti-riot it is resistance to fall, high surface hardness, and feel ice is slided fine and smooth, gentle as beautiful, and is in
Existing 3D effect.
The 3D cell phone rear cover moulding process of the present invention, the experiment through inventor for many years obtain, and glass back cover uses U.S.'s health
The glass of the series of Ning companies 2320 can just make whole structure preferable.
The 3D cell phone rear cover moulding process of the present invention, in step 3, the pure water contact angle of anti-fingerprint film is less than 110 degree.
The present invention 3D cell phone rear cover moulding process, the step 5 pattern ink processing successively have UV transfer process,
Vacuum plating processing and pattern printing ink layer, the pattern solid for making to perceive to come from glass back cover using this three layers of ink processing
Sense is strong, and 3D effect is good, the problem of pattern will not being caused to wear.
Above-described embodiment and accompanying drawing and non-limiting product form of the invention and style, any art it is common
The appropriate change or modification that technical staff is done to it, it all should be regarded as not departing from the patent category of the present invention.
Claims (8)
1. a kind of 3D cell phone rear covers, including body, the backboard that the body fits with the back side with mobile phone and the side with mobile phone
Enclose the side frame to fit, it is characterised in that：Above-mentioned body includes glass back cover and PET film, and above-mentioned glass back cover has and backboard
Flat part that size matches and the lateral bending portion to be matched with side frame size, above-mentioned lateral bending portion using glass heat bender with it is above-mentioned flat
Plate portion one hot bending, above-mentioned PET film have the interior flat part that is matched with backboard size and matched with side frame size
Inner side turn of bilge, above-mentioned inner side turn of bilge and interior flat part punching molding, above-mentioned PET film are in above-mentioned glass back cover, above-mentioned interior flat
Plate portion coincides with flat part, and lateral bending portion coincides with inner side turn of bilge, and above-mentioned PET film passes through transparent optical glue-line and above-mentioned glass
Bonnet is vacuum abutted together, and above-mentioned PET film is provided with ink design layer with the one side that above-mentioned glass back cover fits.
A kind of 2. 3D cell phone rear covers as claimed in claim 1, it is characterised in that：Above-mentioned ink design layer have from bottom to top according to
UV transfers texture layer, vacuum electric coating and the printing-ink patterned layer of secondary setting, the thickness of above-mentioned ink design layer is 10-
30um。
A kind of 3. 3D cell phone rear covers as claimed in claim 1, it is characterised in that：The thickness of above-mentioned glass back cover is 0.5-
1.0mm。
A kind of 4. 3D cell phone rear covers as claimed in claim 1, it is characterised in that：The thickness of above-mentioned PET film is 25-75um.
A kind of 5. 3D cell phone rear covers as claimed in claim 1, it is characterised in that：The outer surface Vacuum Deposition of above-mentioned glass back cover is set
There is an anti-fingerprint coating.
6. a kind of moulding process of 3D cell phone rear covers, it is characterised in that be achieved by the steps of：
First, sawing sheet, using glass cutting machine, sawing sheet is carried out to glass, the size that sawing sheet goes out when being spread out with cell phone rear cover matches
Sheet glass, the thickness of this glass is 0.5-1.0mm；
2nd, hot bending, hot bending is carried out to the sheet glass of step 1 using glass heat bender, during hot bending, by step
One sheet glass first heats and softens at 80 DEG C, 100 DEG C, 200 DEG C, 300 DEG C, 400 DEG C successively, is carried out afterwards at 500 DEG C more
Secondary hot pressing Light deformation downwards, finally carried out at 680 DEG C repeatedly downwards it is hot-forming go out its profile and the profile phase of cell phone rear cover
Identical glass back cover semi-finished product；
3rd, be surface-treated, the surface of the glass back cover semi-finished product of step 2 is polished successively, clean and tempering processing, steel
Primary antibody fingerprint film is electroplated to the surface vacuum of glass back cover after change processing, obtains glass finished-product；
4th, cut, cut out the size identical film slitting part of its size and step 1 sheet glass；
5th, pattern is handled, and pattern ink processing is carried out in the one side of the film slitting piece of step 4, forms pattern ink layer,
The ink of pattern ink layer has 2-6 layers, and the thickness of the pattern ink layer is 10-30um, obtains film handling member；
6th, punching, shaping, the film handling member of step 5 is corresponded into position punch at the hole position of cell phone rear cover, passed through afterwards
Outline die technique is punched into the film semi-finished product to be matched with cell phone rear cover shape；
7th, it is molded, the glass finished-product of the diaphragm finished product of step 6 and step 3 is placed in four application of a surface machines by saturating
Bright optical cement is vacuum abutted, obtains being combined into by glass and the complete phase re-posted of film, and glass finished-product is coated on diaphragm finished product
Outer 3D cell phone rear covers；
8th, the 3D cell phone rear covers of step 7 are subjected to de-bubble processing using defoaming machine, obtain 3D cell phone rear cover finished products.
A kind of 7. moulding process of 3D cell phone rear covers according to claim 6, it is characterised in that：It is above-mentioned in step 3
The pure water contact angle of anti-fingerprint film is less than 110 degree.
A kind of 8. moulding process of 3D cell phone rear covers according to claim 6, it is characterised in that：The pattern of above-mentioned steps five
Ink processing has UV transfer process, vacuum plating processing and pattern printing ink layer successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710721152.4A CN107347103B (en) | 2017-08-21 | 2017-08-21 | 3D mobile phone rear cover and forming process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710721152.4A CN107347103B (en) | 2017-08-21 | 2017-08-21 | 3D mobile phone rear cover and forming process thereof |
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| CN107347103A true CN107347103A (en) | 2017-11-14 |
| CN107347103B CN107347103B (en) | 2024-01-02 |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107819089A (en) * | 2017-11-20 | 2018-03-20 | 福建省石狮市通达电器有限公司 | A kind of manufacture craft and its former of 3D battery covers |
| CN108248270A (en) * | 2018-01-05 | 2018-07-06 | 福建省石狮市通达电器有限公司 | A kind of preparation method of imitative ceramic mobile phone rear cover |
| CN108471460A (en) * | 2018-03-28 | 2018-08-31 | 努比亚技术有限公司 | Mobile terminal |
| CN108574748A (en) * | 2018-03-19 | 2018-09-25 | 维沃移动通信有限公司 | Diaphragm preparation method, diaphragm and shell |
| CN108769302A (en) * | 2018-05-11 | 2018-11-06 | Oppo广东移动通信有限公司 | Shell, electronic device and method for producing shell |
| CN108848211A (en) * | 2018-05-25 | 2018-11-20 | Oppo广东移动通信有限公司 | The manufacturing method of shell, electronic device and shell |
| CN108900658A (en) * | 2018-05-25 | 2018-11-27 | Oppo广东移动通信有限公司 | The manufacturing method of shell, electronic device and shell |
| CN108943670A (en) * | 2018-06-28 | 2018-12-07 | 信利光电股份有限公司 | A kind of 3D cover board and its processing method |
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| WO2019129095A1 (en) * | 2017-12-27 | 2019-07-04 | 华为技术有限公司 | Rear cover, housing, and electronic device |
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| CN110673239A (en) * | 2019-10-22 | 2020-01-10 | 华南理工大学 | Naked eye 3D mobile phone backboard film, preparation method thereof and mobile phone |
| CN111212163A (en) * | 2020-02-14 | 2020-05-29 | Tcl移动通信科技（宁波）有限公司 | Preparation method of mobile phone rear shell and mobile phone rear shell |
| CN111355831A (en) * | 2020-03-16 | 2020-06-30 | 德兴市恒海科技有限公司 | Design method of glass rear cover embossment |
| CN111510521A (en) * | 2019-01-31 | 2020-08-07 | 北京小米移动软件有限公司 | Terminal rear shell and processing method thereof |
| CN111645383A (en) * | 2019-03-04 | 2020-09-11 | Oppo广东移动通信有限公司 | Manufacturing method of battery cover and mobile terminal |
| US20200412855A1 (en) * | 2019-06-27 | 2020-12-31 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Housing Assembly, Method for Manufacturing Housing Assembly, and Electronic Device |
| CN113033848A (en) * | 2021-03-30 | 2021-06-25 | 苏州市鑫达试验设备有限公司 | Mobile phone film pasting hot bending machine and working method thereof |
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