CN106965536A - A kind of dust-proof curve tempering film and preparation method thereof - Google Patents
A kind of dust-proof curve tempering film and preparation method thereof Download PDFInfo
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- CN106965536A CN106965536A CN201710266210.9A CN201710266210A CN106965536A CN 106965536 A CN106965536 A CN 106965536A CN 201710266210 A CN201710266210 A CN 201710266210A CN 106965536 A CN106965536 A CN 106965536A
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- glue
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- release membrance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
-
- B32B17/064—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/10—Removing layers, or parts of layers, mechanically or chemically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Telephone Set Structure (AREA)
Abstract
The present invention relates to the protection technical field of membrane of electronic product; more particularly to a kind of dust-proof curve tempering film and preparation method thereof; the preparation method is fitted in the soft outer frame members and safety glass of pre-production on AB glue components; soft housing backsize OCA glue-lines; and provided with rear mould release membrance, the shape of the AB glue component is less than or equal to the shape that the rear mould release membrance in soft outer frame members is die cut for the first time.When dust-proof curve tempering film is labelled to mobile phone screen; first tear the rear mould release membrance of AB glue-lines; safety glass and the mobile phone screen of centre is set to align to adsorb and fit; then the rear mould release membrance of soft housing is torn; slightly firmly make the floating bonding of curvature portion of soft rim and mobile phone screen; OCA glue-lines can be bonded in soft housing on mobile phone screen curved surface securely; so as to solve protection, film edge is broken, bulge; rake angle, easily enter the technical barrier such as dust; technique is simple; production capacity is big, stay in grade, and cost performance is high.
Description
Technical field
The present invention relates to the protection technical field of membrane of electronic product, more particularly to a kind of dust-proof curve tempering film and its making
Method.
Background technology
Current smart mobile phone commonly uses 2.5D or 3D curve screens, and screen protecting film mainly uses following two kinds of solution party
Case：One is to use hot bending or cold carving bend glass diaphragm, and this technique productions cost is high, big per batch products error, adds
The every batch of the screen of mobile phone itself is there is also certain tolerance, so the bend glass diaphragm of production can not be with mobile phone screen
Perfection laminating, bend glass diaphragm is adsorbed on mobile phone screen by AB glue, and AB glue can not adsorb mobile phone screen, edge completely
Bubble is big, broken, fall protection extreme difference.Another scheme is the hot-forming hard PET housings in edge, plus middle tempering glass
Glass（It is commonly called as carbon fiber or 3D soft-sided films）, mould and hot press precision are limited by, production capacity is low, and energy consumption is big, and quality is unstable, and
The AB glue at the diaphragm back side is the part fitted and protected membrane plane, and only surface covers mobile phone screen edge, and AB glue is not
Edge is attached to, easy bulge, rake angle, edge easily enter dust etc., extensively denounced by consumer.
The content of the invention
Exempt from hot pressing, the dust-proof curve tempering film of full laminating screen and its making side it is an object of the invention to provide a kind of
Method.
What the present invention was realized in：A kind of preparation method of dust-proof curve tempering film, comprises the following steps：
（1）Soft outer frame members, including following sub-step are made,
1. in soft housing raw material backsize OCA glue-lines, mould release membrance and diaphragm after then fitting successively, winding；
2. coiled strip is loaded onto into die-cutting machine, be die cut；
It is die cut, rear mould release membrance and diaphragm is cut according to the shape less than soft housing edge for the first time from the back side of coiled strip
Wear, but do not cut through soft housing；
Second of cross cutting, from the front of coiled strip, cuts through the soft housing and rear mould release membrance at middle form and function hole position, cuts
Diaphragm is worn or do not cut through, while being die cut out the edge of soft housing, soft outer frame members finished product is obtained；
（2）AB glue components are made,
AB glue components raw material includes AB glue-lines, preceding mould release membrance and rear mould release membrance, and the shape of AB glue components is die cut out using die-cutting machine,
The shape that the rear mould release membrance that the shape of AB glue components is less than or equal in soft outer frame members is die cut for the first time；
（3）Make safety glass,
（4）Final finished, including following sub-step are combined,
1. torn by the diaphragm in soft outer frame members and with the rear mould release membrance of diaphragm shape corresponding part；
2. the preceding mould release membrance of AB glue components is torn；
3. soft outer frame members and safety glass are fitted on AB glue components jointly, the final dust-proof curve tempering film of composition into
Product.
Wherein, step（1）Sub-step 1. and 2. between, including sub-step：Above-mentioned coiled strip is cut into actual production needs
The width specifications wanted；Then in soft housing surface printing patterned layer and scratch resistant layer, and wind.
Wherein, step（1）In second of cross cutting, be also die cut out on rear mould release membrance and tear hand, tear soft housing quilt on hand
Cut through.
Wherein, step（3）Including following sub-step：1. glass is subjected to tempering processing, safety glass is made；2. in tempering
Oleophobic layer is coated on glass.
Wherein, step（2）In, the rear mould release membrance of AB glue components, which is also die cut out, tears hand, and the AB glue-lines torn on hand are with before
Mould release membrance is cut through.
Wherein, the function hole position includes the one or more in sender, camera hole, flash lamp aperture and function keyhole.
Wherein, in step（1）Sub-step 2. in, the die-cutting machine be automatic two-seater die-cutting machine, front stall carry out for the first time
Cross cutting, back seat carries out second and is die cut.
Another technical scheme that the present invention is provided is：The dust-proof curve tempering film made according to the above method, including it is soft
Matter housing, safety glass and AB glue-lines, the safety glass and soft housing are fitted on AB glue-lines jointly, the soft housing
Backsize has OCA glue-lines, and provided with rear mould release membrance, the shape of the AB glue component is less than or equal in soft outer frame members
The shape of mould release membrance inward flange afterwards, the AB glue-lines back side is provided with rear mould release membrance.
Wherein, the soft housing is flexible PVC housing or soft PET housings.Can also be the soft of other materials
Housing.
Wherein, the thickness of the safety glass is 0.26mm, and the soft housing thickness is 0.2 ± 0.03mm, the OCA
The thickness of glue-line is 25 μm ± 3 μm, and the thickness of the AB glue-lines is 0.1mm, and the rear mould release membrance of the soft housing is release for PET
Film, thickness is 0.05 mm, and the rear mould release membrance of the AB glue-lines is silica gel mould release membrance, and thickness is 0.05 mm.
Beneficial effects of the present invention are：In the preparation method of dust-proof curve tempering film of the present invention, pre-production
Soft outer frame members and safety glass are fitted on AB glue components, soft housing backsize OCA glue-lines, and provided with rear release
Film, the outward flange of the AB glue-lines is less than or equal to the inward flange of the rear mould release membrance of soft housing.Dust-proof curve tempering film
When being labelled to mobile phone screen, the rear mould release membrance of AB glue-lines is first torn, safety glass and the mobile phone screen of centre is alignd to adsorb and is fitted,
Then the rear mould release membrance of soft housing is torn, slightly firmly makes the floating bonding of curvature portion of soft rim and mobile phone screen, OCA glue
The bonding force of layer is greater than the bonding force of AB glue-lines, and soft housing can be bonded on mobile phone screen curved surface securely, so that
Solving protection, film edge is broken, bulge, rake angle, easily enters the technical barriers such as dust；Without using hot-forming, processing technology letter
Single, production capacity is big, and dust-proof curve tempering film quality of finished is stable, and cost performance is high.
Brief description of the drawings
Fig. 1 is the soft housing coiled strip of dust-proof curve tempering film embodiment of the present invention cross cutting schematic shapes for the first time；
Fig. 2 is the front schematic view of soft outer frame members in dust-proof curve tempering film embodiment of the present invention；
Fig. 3 is the schematic rear view of soft outer frame members in dust-proof curve tempering film embodiment of the present invention；
Fig. 4 is the explosive view of soft outer frame members in dust-proof curve tempering film embodiment of the present invention；
Fig. 5 is the front schematic view of AB glue components in dust-proof curve tempering film embodiment of the present invention；
Fig. 6 is the explosive view of AB glue components in dust-proof curve tempering film embodiment of the present invention；
Fig. 7 is the explosive view of dust-proof curve tempering film embodiment of the present invention；
Fig. 8 is cross-sectional view in the middle part of dust-proof curve tempering film embodiment of the present invention.
Wherein, 1, soft outer frame members；10th, coiled strip；11st, soft housing；12nd, OCA glue-lines；13rd, rear mould release membrance；131st, tear
Hand；132nd, Outboard Sections；133rd, inboard portion；14th, diaphragm；2nd, safety glass；3rd, AB glue component；31st, AB glue-lines；32nd, it is preceding
Mould release membrance；33rd, rear mould release membrance；331st, hand is torn；4th, first time film cuts shape.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As the embodiment of dust-proof curve tempering film production method of the present invention, as shown in figures 1-8, including following step
Suddenly：
（1）Make soft outer frame members 1, including following sub-step；
1. in soft housing raw material backsize OCA glue-lines 12, mould release membrance 13 and diaphragm 14 after then fitting successively, winding；
2. coiled strip 10 is loaded onto into die-cutting machine, be die cut；
It is die cut for the first time, from the back side of coiled strip 10 rear mould release membrance 13 and diaphragm 14 according to the shape less than the soft edge of housing 11
Shape is cut through, but does not cut through soft housing 11；
Second of cross cutting, from the front of coiled strip, cuts the soft housing 11 and rear mould release membrance 13 at middle form and function hole position
Wear, cut through or do not cut through diaphragm, while being die cut out the edge of soft housing 11, obtain the soft finished product of outer frame members 1；
（2）AB glue component 3 is made,
AB glue components raw material includes AB glue-lines 31, preceding mould release membrance 32 and rear mould release membrance 33, and AB glue component 3 is die cut out using die-cutting machine
Shape, the shape that the rear mould release membrance 13 that the shape of AB glue component 3 is less than or equal in soft outer frame members 1 is die cut for the first time；
（3）Safety glass 2 is made,
（4）Final finished, including following sub-step are combined,
1. the rear mould release membrance 13 of the diaphragm 14 in soft outer frame members 1 and part corresponding with diaphragm shape is torn；
2. the preceding mould release membrance 32 of AB glue component 3 is torn；
3. soft outer frame members 1 and safety glass 2 are fitted on AB glue component 3 jointly, the final dust-proof curve tempering of composition
Film finished product.
In step（1）Sub-step 2. in, the rear mould release membrance 13 in soft outer frame members 1 is cut to Outboard Sections 132
With inboard portion 133, Outboard Sections 132 are the annular list structure of even width, and specific width is needed according to mobile phone screen side
The curved surface degree of edge is adjusted, and is typically chosen 2-3mm, inboard portion 133 is in step（4）In be torn.
The dust-proof curve tempering film being made of above-mentioned preparation method, including soft housing 11, safety glass 2 and AB glue-lines
31, the safety glass 2 and soft housing 11 are fitted on AB glue-lines 31 jointly, and the soft backsize of housing 11 has OCA
Glue-line 12, and provided with rear mould release membrance 13（It is the Outboard Sections 132 of rear mould release membrance 13 herein）, the shape of AB glue component 3 be less than or
Equal to the shape of the inward flange of rear mould release membrance 13 in soft outer frame members 1（The inward flange of Outboard Sections 132, inboard portion 133 is
It is torn）, the back side of AB glue-lines 31 is provided with rear mould release membrance 33.In the present invention, the soft housing 11 is flexible PVC housing
Or soft PET housings, also can be using other suitable soft outer frame materials.
In the preparation method of dust-proof curve tempering film of the present invention, the soft outer frame members 1 and tempering of pre-production
Glass 2 is fitted on AB glue component 3, the soft backsize OCA glue-lines 12 of housing 11, and provided with rear mould release membrance 13, the AB glue
The shape that the rear mould release membrance 13 that the shape of component 3 is less than or equal in soft outer frame members 1 is die cut for the first time.Dust-proof curved surface
When tempering film is labelled to mobile phone screen, the rear mould release membrance 33 of AB glue-lines 31 is first torn, makes the safety glass 2 and mobile phone screen pair of centre
Neat absorption laminating, then tears the rear mould release membrance 13 of soft housing 11, slightly firmly makes the curved surface of soft rim 11 and mobile phone screen
The floating bonding in part, the bonding force of OCA glue-lines 12 is greater than the bonding force of AB glue-lines 31, and soft housing 11 can be glued securely
Close on mobile phone screen curved surface, film edge is broken, bulge so as to solve protection, rake angle, easily enter the technical barriers such as dust；No
Using hot-forming, processing technology is simple, and production capacity is big, and dust-proof curve tempering film quality of finished is stable, and cost performance is high.
In the present embodiment, step（1）Sub-step 1. and 2. between, including sub-step：Above-mentioned coiled strip is cut into reality
The width specifications that border production needs；Then in soft housing surface printing patterned layer and scratch resistant layer, and wind.In large batch of life
In production, general soft housing raw material is also coiled strip, and width is larger, needs to be cut before impressing pattern layer, to protect
Demonstrate,prove the precision of the printing process of postorder.The scratch resistant layer is used to protect soft housing and its patterned layer.
In the present embodiment, step（1）In second of cross cutting, be also die cut out on rear mould release membrance 13 and tear hand 131, tear hand
Soft housing on 131 is cut through.In step（2）In, the rear mould release membrance 33 of AB glue component 3, which is also die cut out, tears hand 331, described to tear
AB glue-lines 31 and preceding mould release membrance 32 on hand 331 are cut through；, can be with when dust-proof curve tempering film is fitted on mobile phone screen
Rear mould release membrance 13,33 is quickly removed, facilitates guest operation.
In the present embodiment, step（3）Including following sub-step：1. glass is subjected to tempering processing, safety glass is made；
2. oleophobic layer is coated on safety glass.Can be with antifouling resistance and fingerprint resistance.
In the present invention, the function hole position include sender, camera hole, flash lamp aperture and one kind in function keyhole or
It is a variety of.According to realize type difference, it is necessary to make corresponding adjustment.
In the present embodiment, in step（1）Sub-step 2. in, the die-cutting machine is automatic two-seater die-cutting machine, and front stall enters
Row is die cut for the first time, and back seat carries out second and is die cut.Cross cutting is completed in same die-cutting machine twice, due to that need not pacify again
Coiled strip is filled, is repositioned, so reducing alignment error, it is ensured that mould-cutting precision, cross cutting efficiency can also be guaranteed.
In the present embodiment, except needing to ensure each glue-line in addition to there is enough bonding forces, soft housing 11 is also ensured
With the height of safety glass 2 close to consistent, feel could be smooth.The thickness of the safety glass 2 is 0.26mm, the soft housing
11 thickness are 0.2 ± 0.03mm, and the thickness of the OCA glue-lines 12 is 25 μm ± 3 μm, and the thickness of the AB glue-lines 31 is 0.1mm,
The rear mould release membrance 13 of the soft housing 11 is PET mould release membrances, and thickness is 0.05 mm, the rear mould release membrance 33 of the AB glue-lines 31
For silica gel mould release membrance, thickness is 0.05 mm.It can preferably ensure that soft housing 11 and safety glass 2 are high using above parameter
Degree is close to unanimously, and feel is smooth.What the present embodiment was shown is the cell phone dustproof curve tempering film suitable for iPhone7, the technique
It is equally applicable to make the cell phone dustproof curve tempering film of other brands, other models, it is only necessary to big with reference to mobile phone screen size
The function hole position such as small, camera and HOME keys is adjusted accordingly.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of preparation method of dust-proof curve tempering film, it is characterised in that comprise the following steps：
（1）Soft outer frame members, including following sub-step are made,
1. in soft housing raw material backsize OCA glue-lines, mould release membrance and diaphragm after then fitting successively, winding；
2. coiled strip is loaded onto into die-cutting machine, be die cut；
It is die cut, rear mould release membrance and diaphragm is cut according to the shape less than soft housing edge for the first time from the back side of coiled strip
Wear, but do not cut through soft housing；
Second of cross cutting, from the front of coiled strip, cuts through the soft housing and rear mould release membrance at middle form and function hole position, cuts
Diaphragm is worn or do not cut through, while being die cut out the edge of soft housing, soft outer frame members finished product is obtained；
（2）AB glue components are made,
AB glue components raw material includes AB glue-lines, preceding mould release membrance and rear mould release membrance, and the shape of AB glue components is die cut out using die-cutting machine,
The shape that the rear mould release membrance that the shape of AB glue components is less than or equal in soft outer frame members is die cut for the first time；
（3）Make safety glass,
（4）Final finished, including following sub-step are combined,
1. torn by the diaphragm in soft outer frame members and with the rear mould release membrance of diaphragm shape corresponding part；
2. the preceding mould release membrance of AB glue components is torn；
3. soft outer frame members and safety glass are fitted on AB glue components jointly, the final dust-proof curve tempering film of composition into
Product.
2. the preparation method of dust-proof curve tempering film according to claim 1, it is characterised in that step（1）Sub-step 1.
2. between, including sub-step：Above-mentioned coiled strip is cut into the width specifications of needs of production；Then on soft housing surface
Printing pattern layer and scratch resistant layer, and wind.
3. the preparation method of dust-proof curve tempering film according to claim 1, it is characterised in that step（1）In second
Also it is die cut out on cross cutting, rear mould release membrance and tears hand, the soft housing torn on hand is cut through.
4. the preparation method of dust-proof curve tempering film according to claim 1, it is characterised in that step（3）Including following son
Step：1. glass is subjected to tempering processing, safety glass is made；2. oleophobic layer is coated on safety glass.
5. the preparation method of dust-proof curve tempering film according to claim 1, it is characterised in that step（2）In, AB glue components
Rear mould release membrance be also die cut out and tear hand, the AB glue-lines torn on hand and preceding mould release membrance are cut through.
6. the preparation method of dust-proof curve tempering film according to claim 1, it is characterised in that the function hole position includes
One or more in sound hole, camera hole, flash lamp aperture and function keyhole.
7. the preparation method of dust-proof curve tempering film according to claim 1, it is characterised in that in step（1）Sub-step
2. in, the die-cutting machine is automatic two-seater die-cutting machine, and front stall carries out first time cross cutting, and back seat carries out second and is die cut.
8. the dust-proof curve tempering film made using any one of claim 1 to 7 methods described, it is characterised in that including soft
Housing, safety glass and AB glue-lines, the safety glass and soft housing are fitted on AB glue-lines jointly, the soft housing back of the body
Face is coated with OCA glue-lines, and provided with rear mould release membrance, after the shape of the AB glue component is less than or equal in soft outer frame members
The shape of mould release membrance inward flange, the AB glue-lines back side is provided with rear mould release membrance.
9. dust-proof curve tempering film according to claim 8, it is characterised in that the soft housing be flexible PVC housing or
The soft PET housings of person.
10. dust-proof curve tempering film according to claim 8, it is characterised in that the thickness of the safety glass is 0.26mm,
The soft housing thickness is 0.2 ± 0.03mm, and the thickness of the OCA glue-lines is 25 μm ± 3 μm, and the thickness of the AB glue-lines is
0.1mm, the rear mould release membrance of the soft housing is PET mould release membrances, and thickness is 0.05 mm, and the rear mould release membrance of the AB glue-lines is
Silica gel mould release membrance, thickness is 0.05 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710266210.9A CN106965536B (en) | 2017-04-21 | 2017-04-21 | A kind of dust-proof curve tempering film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710266210.9A CN106965536B (en) | 2017-04-21 | 2017-04-21 | A kind of dust-proof curve tempering film and preparation method thereof |
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| CN106965536B CN106965536B (en) | 2019-04-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107323730A (en) * | 2017-08-15 | 2017-11-07 | 张弘宪 | A kind of safeguard film for cellular phone, film sticking apparatus and method for adhering film |
| CN109454972A (en) * | 2018-11-29 | 2019-03-12 | 武汉华星光电技术有限公司 | Polarizing plate protective film and its tear-off method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016036126A (en) * | 2014-08-04 | 2016-03-17 | パッチワークス・インク． | Reinforced glass protection film for protecting cellular phone display screen |
| CN205767850U (en) * | 2016-06-28 | 2016-12-07 | 蔡旭东 | 3D curved surface full frame covering soft-sided tempering film |
| US20170094039A1 (en) * | 2015-09-26 | 2017-03-30 | Liwei Lu | Touch screen protector |
-
2017
- 2017-04-21 CN CN201710266210.9A patent/CN106965536B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016036126A (en) * | 2014-08-04 | 2016-03-17 | パッチワークス・インク． | Reinforced glass protection film for protecting cellular phone display screen |
| US20170094039A1 (en) * | 2015-09-26 | 2017-03-30 | Liwei Lu | Touch screen protector |
| CN205767850U (en) * | 2016-06-28 | 2016-12-07 | 蔡旭东 | 3D curved surface full frame covering soft-sided tempering film |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107323730A (en) * | 2017-08-15 | 2017-11-07 | 张弘宪 | A kind of safeguard film for cellular phone, film sticking apparatus and method for adhering film |
| CN109454972A (en) * | 2018-11-29 | 2019-03-12 | 武汉华星光电技术有限公司 | Polarizing plate protective film and its tear-off method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106965536B (en) | 2019-04-12 |
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