CN107894864A - A kind of flexible touch screen structure and its manufacture method - Google Patents
A kind of flexible touch screen structure and its manufacture method Download PDFInfo
- Publication number
- CN107894864A CN107894864A CN201711367138.5A CN201711367138A CN107894864A CN 107894864 A CN107894864 A CN 107894864A CN 201711367138 A CN201711367138 A CN 201711367138A CN 107894864 A CN107894864 A CN 107894864A
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- China
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- flexible
- oca
- toughened glass
- adhesive linkages
- layer
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/09—Severing cooled glass by thermal shock
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Abstract
Flexible touch screen technical field of the present invention, more particularly to a kind of flexible touch screen structure and its manufacture method, including flexible PET matrix layer, flexible toughened glass layer and touch sensing function piece, flexible toughened glass layer is Nian Jie provided with the first OCA adhesive linkages with flexible PET matrix layer, touch sensing function piece is Nian Jie provided with the 2nd OCA adhesive linkages with flexible toughened glass layer, flexible toughened glass layer is provided with groove, and the thickness that the first OCA adhesive linkages and the 2nd OCA adhesive linkages are located at groove is more than twice of flexible toughened glass layer and flexible PET matrix layer bonding plane；In the case that the present invention ensures flexibility, more than twice of OAC adhesive linkages are added in the edge of toughened glass layer, integraty is strong；Manufacture method by directly printing multiple stealthy circuits on the safety glass of sheet and directly pasting large stretch of OCA optics viscoses, after carry out cutting separation again, the method can effectively save material cost.
Description
Technical field
Flexible touch screen technical field of the present invention, more particularly to a kind of flexible touch screen structure and its manufacture method.
Background technology
Touch-screen is a kind of input equipment for significantly improving man machine operation interface, has the advantages of directly perceived, simple, quick.
Touch-screen has been obtained for being widely applied in many electronic products, such as mobile phone, PDA, multimedia, public information inquiry system
System etc..In the past, various types of touch-screens continuously emerge, including resistance-type, condenser type, infrared and surface acoustic wave touch screen.
Typically, capacitive touch screen is the pole by the use of the nesa coating in touch-screen as electric capacity, the hand of human body
Refer to another pole as electric capacity, when finger is close or contacts touch screen surface, finger couples with touch-screen, forms one newly
Electric capacity, the change of the controller of touch-screen by measuring electric capacity calculates the position coordinates (X, Y) of contact point, finally, main frame
Corresponding event is explained and performed to the position coordinates (X, Y) provided according to controller.Past, due to structure and the limit of driving cost
System, and many shortcomings such as touch-control distortion, the operation strategies of capacitive touch screen are very narrow, and resistive touch screen is city
Most commonly used touch screen technology in.Resistive touch screen is that a kind of acted on using pressure causes upper and lower conductive layer
Contact causes the electric signal of system to change to realize input function.In the recent period, it is continuous due to structure and signal processing technology
Improve, capacitive touch screen gradually rises.In these new capacitive touch screens, because the flexibility for eliminating touch screens is led
Electrolemma and labyrinth, different touch control manners is employed, show better performance, such as, without machinery fortune in screen
Dynamic wear problem, and it is simple in construction, light transmittance is high, the linearity is good, dust-proof, fire prevention, it is scratch resistant, in worst environment
Also there is stable performance etc..The advantages of another aspect of capacitive touch screen is that it can realize multi-point touch function, even if
User can carry out multiple point touching signal input simultaneously by it, realize multiple spot while operate to complete specifically to act, such as
The function of amplification, diminution, rotation etc..
There is the drawbacks of certain in existing flexible touch screen, such as：Adhesive effect is bad, integraty official post short life etc.
Problem, while be that single touch-screen is processed in the fabrication process, cost is higher, the problems such as manufacture efficiency is low.
The content of the invention
To solve the above problems, in the case that the present invention provides a kind of guarantee flexibility, increase in the edge of toughened glass layer
More than twice of OAC adhesive linkages are added, can effectively improve adhesive effect, integraty is strong, service life length, by sheet
Safety glass on directly print multiple stealthy circuits and directly paste large stretch of OCA optics viscoses, after cut again
Separation, the method can effectively save material cost, and the flexible touch screen structure and its manufacture method that manufacture efficiency is high.
The technical solution adopted in the present invention is：A kind of flexible touch screen structure, including flexible PET matrix layer, flexible steel
Change glassy layer and touch sensing function piece, it is Nian Jie that the first OCA is provided between the flexible toughened glass layer and flexible PET matrix layer
Layer is mutually bonded, and the flexible PET matrix layer is adhesive with PET protection film away from one side Nian Jie with flexible toughened glass layer, described
It is mutually bonded between touch sensing function piece and flexible toughened glass layer provided with the 2nd OCA adhesive linkages, the flexible safety glass
The corresponding touch sensing function piece one side of layer is printed with stealthy circuit, and the both sides of the flexible toughened glass layer are provided with groove, described
The thickness that first OCA adhesive linkages and the 2nd OCA adhesive linkages are located at groove is that flexible toughened glass layer is glued with flexible PET matrix layer
More than twice of junction.
Further improvement of these options is that the flexible PET matrix layer corresponds to the side of flexible toughened glass layer one side
Dielectric ink is coated with edge, a form is formed positioned at the center of dielectric ink.
Further improvement of these options is that the stealthy circuit is printed in flexible toughened glass layer close to form position
Put.
Further improvement of these options is to pass through between the flexible PET matrix layer and flexible toughened glass layer
One OCA adhesive linkages pressing bonding is connected.
Further improvement of these options is to pass through between the flexible toughened glass layer and the 2nd OCA adhesive linkages
Two OCA adhesive linkages pressing bonding is connected.
Further improvement of these options is that the first OCA adhesive linkages and the 2nd OCA adhesive linkages are OCA optics
Viscose.
A kind of manufacture method of flexible touch screen structure, comprises the following steps,
Step 1, the flexible safety glass of sheet, the PET matrix and touch sensing function piece of designated shape are prepared；
Step 2, stealthy circuit is edited on printing equipment；
Step 3, the stealthy circuit in the flexible safety glass one side printing of sheet；
Step 4, large stretch of OCA optics viscoses are adhered to away from stealthy circuit one side is printed in large stretch of flexible safety glass；
Step 5, the OCA optics viscose of sheet is cut into designated shape on large stretch of flexible safety glass；
Step 6, designated shape will be broken down into after 180 ° of the flexible tempering glass turning of sheet；
Step 7, there is OCA optics viscose one side Nian Jie with flexible PET matrix the flexible tempering glass adhesion after separation；
Step 8, OCA optics viscoses are bonded with the flexible safety glass another side Nian Jie with the pressing of flexible PET matrix, then
It is Nian Jie with touch sensing function piece, complete manufacture.
Further improvement of these options is, in the step 4, in large stretch of flexible safety glass away from printing invisible electric
Road one side adheres to the first OCA adhesive linkages of sheet.
In the step 5, the first OCA adhesive linkages of sheet are cut into and PET matrix and touch sensible work(by radium-shine
Can piece same shape
Further improvement of these options is, in the step 6, after 180 ° of the flexible tempering glass turning of sheet,
Isolation to safety glass is crackle to be carved by icking tool in the shape that flexible safety glass needs to cut, to crackle position
Put heating, the one side of no crackle cooled down simultaneously in crackle heating process, heating temperature range 400 DEG C~
800 DEG C, after by sheet safety glass move up, during moving up by crack position suppress cut, you can complete separation.
Further improvement of these options is, in the step 7, flexible safety glass after isolation is viscous by first
Layer is connect to be mutually bonded by pressing with flexible PET matrix.
In the step 8, the 2nd OCA adhesive linkages are bonded with the one side of flexible tempering glass printing stealth circuit, then with
Touch sensing function spoil disposal is bonded by pressing.
Beneficial effects of the present invention are：
In a first aspect, flexible PET matrix layer, flexible toughened glass layer and touch sensing function piece, pass through flexible PET matrix
Layer plays substrate support effect, and overall use intensity and using effect can be improved by flexible toughened glass layer, by touching
Touch inducing function piece to export touch sensible information, be easy to touch operation；Second aspect, the flexible toughened glass layer and flexibility
It is mutually bonded between PET matrix layer provided with the first OCA adhesive linkages, can be by flexible toughened glass layer by the first OCA adhesive linkages
Bond to form one with flexible PET matrix layer, cohesive is good, and integraty is strong, and the flexible PET matrix layer deviates from and flexible tempering
Glassy layer bonding one side is adhesive with PET protection film, and flexible PER base layers are played a protective role by PET protection film, protection effect
Fruit is good, is mutually bonded between the touch sensing function piece and flexible toughened glass layer provided with the 2nd OCA adhesive linkages, passes through second
Flexible toughened glass layer and touch sensing function piece effectively can be bonded to form one by OCA adhesive linkages, and bonding effect is good, and one
Body is strong；The third aspect, the flexible toughened glass layer corresponds to touch sensing function piece one side and is printed with stealthy circuit, by hidden
Shape circuit can realize that sensing touch acts on, and touch sensible effect is good；Fourth aspect, the both sides of the flexible toughened glass layer are provided with
Groove, the thickness that the first OCA adhesive linkages and the 2nd OCA adhesive linkages are located at groove are flexible toughened glass layer and flexibility
More than twice of PET matrix layer bonding plane, can be soft in guarantee by the OCA adhesive linkages that more than twice is provided with marginal position
Overall bonding effect is improved in the case of property, integraty is stronger, and using effect is good.
In the present invention, in the case of ensureing flexibility, more than twice of OAC bondings are added in the edge of toughened glass layer
Layer, can effectively improve adhesive effect, and integraty is strong, service life length.
A kind of manufacture method of flexible touch screen structure, comprises the following steps,
Step 1, the flexible safety glass of sheet, the PET matrix and touch sensing function piece of designated shape are prepared；Step 2,
Stealthy circuit is edited on printing equipment；Step 3, the stealthy circuit in the flexible safety glass one side printing of sheet；Step 4,
In large stretch of flexible safety glass large stretch of OCA optics viscoses are adhered to away from stealthy circuit one side is printed；Step 5, by sheet
OCA optics viscose cuts into designated shape on large stretch of flexible safety glass；Step 6, by the flexible tempering glass turning of sheet
Designated shape is broken down into after 180 °；Step 7, by the flexible tempering glass adhesion after separation have OCA optics viscose one side with
Flexible PET matrix bonding；Step 8, it is bonded with OCA light in the flexible safety glass another side Nian Jie with the pressing of flexible PET matrix
Viscose is learned, then it is Nian Jie with touch sensing function piece, complete manufacture.
Above manufacture method is simple, by directly printing multiple stealthy circuits on the safety glass of sheet and directly sticking
Stick the OCA optics viscoses of sheet, after carry out cutting separation again, the method can effectively save material cost, and manufacture effect
Rate is high.
In the step 6, after 180 ° of the flexible tempering glass turning of sheet, the isolation to safety glass is,
The shape that flexible safety glass needs to cut carves crackle by icking tool, crack position is heated, in crackle heating process
The one side of no crackle is cooled down simultaneously, heating temperature range at 400 DEG C~800 DEG C, after by the safety glass of sheet
Move, crack position is suppressed during moving up and cut, you can completes separation；Heating-up temperature to safety glass is preferably 550
DEG C, in Double-side Heating and the cooperation of cooling, the part in addition to line of cut can be prevented to be heated, so as to improve the effect of cutting
Rate and cutting lines.
Brief description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is the structural representation of the present invention.
Accompanying drawing identifier declaration：Flexible PET matrix layer 110, PET protection film 111, dielectric ink 112, form 113, flexible steel
Change glassy layer 120, stealthy circuit 121, groove 122, touch sensing function piece 130, the first OCA adhesive linkages 140, the 2nd OCA to glue
Connect layer 150.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
It is respectively the front view and structural representation of the present invention as shown in Fig. 1~Fig. 2.
A kind of flexible touch screen structure, including flexible PET matrix layer 110, flexible toughened glass layer 120 and touch sensible work(
Energy piece 130, it is mutually viscous that the first OCA adhesive linkages 140 are provided between the flexible toughened glass layer 120 and flexible PET matrix layer 110
Connect, the flexible PET matrix layer 110 is adhesive with PET protection film 111 away from one side Nian Jie with flexible toughened glass layer 120, described
It is mutually bonded between touch sensing function piece 130 and flexible toughened glass layer 120 provided with the 2nd OCA adhesive linkages 150, the flexibility
The corresponding one side of touch sensing function piece 130 of toughened glass layer 120 is printed with stealthy circuit 121, the flexible toughened glass layer 120
Both sides be provided with groove 122, the thickness that the first OCA adhesive linkages 140 and the 2nd OCA adhesive linkages 150 are located at groove 122 is
More than twice of flexible toughened glass layer 120 and the flexible bonding plane of PET matrix layer 110.
In a first aspect, flexible PET matrix layer 110, flexible toughened glass layer 120 and touch sensing function piece 130, by soft
Property PET matrix layer 110 play substrate support effect, by flexible toughened glass layer 120 can improve overall use intensity and
Using effect, touch sensible information is exported by touch sensing function piece 130, is easy to touch operation；Second aspect, it is described soft
It is mutually bonded between property toughened glass layer 120 and flexible PET matrix layer 110 provided with the first OCA adhesive linkages 140, passes through the first OCA
Flexible toughened glass layer 120 and flexible PET matrix layer 110 can be bonded to form one by adhesive linkage 140, and cohesive is good, one
Property it is strong, the flexible PET matrix layer 110 is adhesive with PET protection film 111 away from one side Nian Jie with flexible toughened glass layer 120, logical
PET protection film 111 is crossed to play a protective role to flexible PER base layers, protecting effect is good, the touch sensing function piece 130 with
It is mutually bonded provided with the 2nd OCA adhesive linkages 150 between flexible toughened glass layer 120, can has by the 2nd OCA adhesive linkages 150
Flexible toughened glass layer 120 and touch sensing function piece 130 are bonded to form one by effect, and bonding effect is good, and integraty is strong；The
Three aspects, the flexible corresponding one side of touch sensing function piece 130 of toughened glass layer 120 is printed with stealthy circuit 121, by hidden
Shape circuit 121 can realize that sensing touch acts on, and touch sensible effect is good；Fourth aspect, the two of the flexible toughened glass layer 120
Side is provided with groove 122, and the thickness that the first OCA adhesive linkages 140 and the 2nd OCA adhesive linkages 150 are located at groove 122 is flexible
More than twice of toughened glass layer 120 and the flexible bonding plane of PET matrix layer 110, by being provided with more than twice in marginal position
OCA adhesive linkages can ensure it is flexible in the case of improve overall bonding effect, integraty is stronger, and using effect is good.
The edge of the corresponding flexible one side of toughened glass layer 120 of flexible PET matrix layer 110 is coated with dielectric ink 112, position
A form 113 is formed in the center of dielectric ink 112, insulating effect is played by dielectric ink 112, passes through form 113
The content of display in display screen can be easy to observe, insulation effect is good, easy to use.
Stealthy circuit 121 is printed in flexible toughened glass layer 120 close to the position of form 113, is easy to sensing on form 113
Touch operation, it is easy to operate, touch effect it is good.
Pass through the first Nian Jie phase of the pressing of OCA adhesive linkages 140 between flexible PET matrix layer 110 and flexible toughened glass layer 120
Even, the 2nd Nian Jie phase of the pressing of OCA adhesive linkages 150 is passed through between the flexible toughened glass layer 120 and the 2nd OCA adhesive linkages 150
Even, it is connected by pressing bonding, bonding effect is good, and integraty is strong, and using effect is good.
First OCA adhesive linkages 140 and the 2nd OCA adhesive linkages 150 are OCA optics viscoses, OCA (Optically Clear
Adhesive) it is used for the extraordinary adhesive of cementing transparent optical element (such as camera lens)；There is water white transparency, light transmission rate to exist for it
More than 90%, cementing strength is good, can solidify under room temperature or medium temperature, and have the features such as cure shrinkage is small.
In the present invention, in the case of ensureing flexibility, more than twice of OAC bondings are added in the edge of toughened glass layer
Layer, can effectively improve adhesive effect, and integraty is strong, service life length.
A kind of manufacture method of flexible touch screen structure, its manufacture step play it is as follows,
Step 1, the flexible safety glass of sheet, the PET matrix and touch sensing function piece 130 of designated shape are prepared；
Step 2, stealthy circuit 121 is edited on printing equipment；
Step 3, the stealthy circuit 121 in the flexible safety glass one side printing of sheet；
Step 4, the first large stretch of OCA is adhered to away from the stealthy one side of circuit 121 of printing in large stretch of flexible safety glass to glue
Connect layer 140；
Step 5, the first OCA adhesive linkages 140 of sheet are cut into and PET matrix and touch sensing function piece by radium-shine
130 same shapes；
Step 6, designated shape will be broken down into after 180 ° of the flexible tempering glass turning of sheet；
Step 7, flexible safety glass after isolation is mutually viscous by pressing by the first adhesive linkage and flexible PET matrix
Connect；
Step 8, the 2nd OCA adhesive linkages 150 are bonded with the one side of flexible tempering glass printing stealth circuit 121, then with
Touch sensing function spoil disposal is bonded by pressing.
Above manufacture method is simple, by directly printing multiple stealthy circuits 121 and straight on the safety glass of sheet
Connect and paste large stretch of OCA optics viscoses, after carry out cutting separation again, the method can effectively save material cost, and make
Make efficiency high.
In step 6, after 180 ° of the flexible tempering glass turning of sheet, the isolation to safety glass is, in flexibility
The shape that safety glass needs to cut carves crackle by icking tool, crack position is heated, in crackle heating process simultaneously
The one side of no crackle is cooled down, heating temperature range at 400 DEG C~800 DEG C, after by sheet safety glass move up,
Crack position is suppressed during moving up and cut, you can completes separation；Heating-up temperature to safety glass is preferably 550 DEG C,
Double-side Heating with cooling cooperation, the part in addition to line of cut can be prevented to be heated, so as to improve the efficiency of cutting and
Cut lines.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. flexible touch screen structure, it is characterised in that：Including flexible PET matrix layer, flexible toughened glass layer and touch are felt Functional sheet is answered, is mutually bonded between the flexible toughened glass layer and flexible PET matrix layer provided with the first OCA adhesive linkages, it is described Flexible PET matrix layer is adhesive with PET protection film away from one side Nian Jie with flexible toughened glass layer, the touch sensing function piece and It is mutually bonded between flexible toughened glass layer provided with the 2nd OCA adhesive linkages, the flexible toughened glass layer corresponds to touch sensible work( Can piece one side be printed with stealthy circuit, the both sides of the flexible toughened glass layer are provided with groove, the first OCA adhesive linkages and the The thickness that two OCA adhesive linkages are located at groove is more than twice of flexible toughened glass layer and flexible PET matrix layer bonding plane.
- A kind of 2. flexible touch screen structure according to claim 1, it is characterised in that：The flexible PET matrix layer is corresponding The edge of flexible toughened glass layer one side is coated with dielectric ink, and a form is formed positioned at the center of dielectric ink.
- A kind of 3. flexible touch screen structure according to claim 2, it is characterised in that：The stealthy circuit is printed in flexibility Toughened glass layer is close to viewing window position.
- A kind of 4. flexible touch screen structure according to claim 1, it is characterised in that：The flexible PET matrix layer with it is soft Property toughened glass layer between by the first OCA adhesive linkages pressing bonding be connected.
- A kind of 5. flexible touch screen structure according to claim 1, it is characterised in that：The flexible toughened glass layer and the It is connected between two OCA adhesive linkages by the 2nd OCA adhesive linkages pressing bonding.
- A kind of 6. flexible touch screen structure according to claim 1, it is characterised in that：The first OCA adhesive linkages and Two OCA adhesive linkages are OCA optics viscoses.
- A kind of 7. manufacture method of flexible touch screen structure according to claim 1~6 any one, it is characterised in that： Comprise the following steps,Step 1, the flexible safety glass of sheet, the PET matrix and touch sensing function piece of designated shape are prepared；Step 2, stealthy circuit is edited on printing equipment；Step 3, the stealthy circuit in the flexible safety glass one side printing of sheet；Step 4, large stretch of OCA optics viscoses are adhered to away from stealthy circuit one side is printed in large stretch of flexible safety glass；Step 5, the OCA optics viscose of sheet is cut into designated shape on large stretch of flexible safety glass；Step 6, designated shape will be broken down into after 180 ° of the flexible tempering glass turning of sheet；Step 7, there is OCA optics viscose one side Nian Jie with flexible PET matrix the flexible tempering glass adhesion after separation；Step 8, OCA optics viscoses are bonded with the flexible safety glass another side Nian Jie with the pressing of flexible PET matrix, then with touching Inducing function piece bonding is touched, completes manufacture.
- A kind of 8. manufacture method of flexible touch screen structure according to claim 7, it is characterised in that：In the step 4, In large stretch of flexible safety glass the first large stretch of OCA adhesive linkages are adhered to away from stealthy circuit one side is printed.In the step 5, the first OCA adhesive linkages of sheet are cut into and PET matrix and touch sensing function piece by radium-shine Same shape.
- A kind of 9. manufacture method of flexible touch screen structure according to claim 7, it is characterised in that：In the step 6, After 180 ° of the flexible tempering glass turning of sheet, the isolation to safety glass is to need to cut in flexible safety glass Shape crackle is carved by icking tool, crack position is heated, simultaneously to the one side of no crackle in crackle heating process Cooled down, heating temperature range at 400 DEG C~800 DEG C, after by sheet safety glass move up, by crackle during moving up Position compacting cutting, you can complete separation.
- A kind of 10. manufacture method of flexible touch screen structure according to claim 8, it is characterised in that：The step 7 In, flexible safety glass after isolation is mutually bonded by the first adhesive linkage with flexible PET matrix by pressing.In the step 8, the 2nd OCA adhesive linkages are bonded with the one side of flexible tempering glass printing stealth circuit, then with touch Inducing function spoil disposal is bonded by pressing.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109799876A (en) * | 2018-12-29 | 2019-05-24 | 联想(北京)有限公司 | Terminal device and the method for controlling the terminal device |
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| CN107894864B (en) | 2023-09-29 |
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