CN107894864B - Flexible touch screen structure and manufacturing method thereof - Google Patents
Flexible touch screen structure and manufacturing method thereof Download PDFInfo
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- CN107894864B CN107894864B CN201711367138.5A CN201711367138A CN107894864B CN 107894864 B CN107894864 B CN 107894864B CN 201711367138 A CN201711367138 A CN 201711367138A CN 107894864 B CN107894864 B CN 107894864B
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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
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- 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
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- 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
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- 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
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- Thermal Sciences (AREA)
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- Organic Chemistry (AREA)
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Abstract
The invention relates to the technical field of flexible touch screens, in particular to a flexible touch screen structure and a manufacturing method thereof, wherein the flexible touch screen structure comprises a flexible PET (polyethylene terephthalate) substrate layer, a flexible toughened glass layer and a touch sensing functional sheet, wherein the flexible toughened glass layer is adhered with the flexible PET substrate layer by a first OCA (organic light-emitting diode) adhesive layer, the touch sensing functional sheet is adhered with the flexible toughened glass layer by a second OCA adhesive layer, the flexible toughened glass layer is provided with a groove, and the thickness of the first OCA adhesive layer and the second OCA adhesive layer at the groove is more than twice of that of the adhesive surface of the flexible toughened glass layer and the flexible PET substrate layer; under the condition of ensuring flexibility, the OAC bonding layer is added at the edge of the toughened glass layer by more than two times, so that the integration is strong; the manufacturing method is characterized in that a plurality of invisible circuits are directly printed on the large piece of toughened glass, and the large piece of OCA optical adhesive is directly adhered on the toughened glass, and then the toughened glass is cut and separated, so that the material cost can be effectively saved.
Description
Technical Field
The invention belongs to the technical field of flexible touch screens, and particularly relates to a flexible touch screen structure and a manufacturing method thereof.
Background
The touch screen is an input device for remarkably improving a human-computer operation interface, and has the advantages of intuitiveness, simplicity and rapidness. Touch screens have found wide application in many electronic products, such as cell phones, PDAs, multimedia, public information query systems, and the like. In the past, various types of touch screens have been presented, including resistive, capacitive, infrared, and surface acoustic wave touch screens.
In general, a capacitive touch screen uses a transparent conductive film in the touch screen as one electrode of a capacitor, a finger of a human body as the other electrode of the capacitor, when the finger approaches or touches the surface of the touch screen, the finger is coupled with the touch screen to form a new capacitor, a controller of the touch screen calculates position coordinates (X, Y) of a contact point by measuring a change of the capacitor, and finally, a host computer interprets and executes a corresponding event according to the position coordinates (X, Y) provided by the controller. In the past, due to limitations of structure and driving cost, and defects of touch distortion and the like, the application range of the capacitive touch screen is very narrow, and the resistive touch screen is the touch screen technology most commonly used in the market. The resistive touch screen is a touch screen which uses pressure to cause the contact of an upper conductive layer and a lower conductive layer to change the electric signal of a system so as to realize an input function. Recently, capacitive touch screens are increasingly emerging due to the continual improvement in structure and signal processing technology. In these new capacitive touch screens, because the flexible conductive film and the complex structure of the resistive screen are removed, different touch modes are adopted, and better performance is shown, for example, there is no mechanical motion abrasion problem in the screen, and the capacitive touch screen has the advantages of simple structure, high light transmittance, good linearity, dust prevention, fire prevention, scratch prevention, stable performance even in the worst environment, and the like. Another advantage of the capacitive touch screen is that it can implement a multi-touch function, i.e., a function by which a user can simultaneously perform multi-touch signal input, and perform multi-point simultaneous operations to perform specific actions, such as zooming in, zooming out, rotating, etc.
Existing flexible touch screens all have certain drawbacks, such as: the bonding effect is poor, the integration is poor, the service life is short, and the like, and meanwhile, the single touch screen is processed in the manufacturing process, so that the problems of high cost, low manufacturing efficiency and the like are solved.
Disclosure of Invention
In order to solve the problems, the invention provides the flexible touch screen structure and the manufacturing method thereof, wherein under the condition of ensuring the flexibility, the OAC bonding layer is added at the edge of the toughened glass layer by more than two times, so that the bonding effect can be effectively improved, the integration is strong, the service life is long, and the material cost can be effectively saved by directly printing a plurality of invisible circuits on large pieces of toughened glass and directly adhering large pieces of OCA optical adhesive and then cutting and separating the large pieces of toughened glass.
The technical scheme adopted by the invention is as follows: the utility model provides a flexible touch screen structure, includes flexible PET matrix layer, flexible toughened glass layer and touch-sensitive function piece, be equipped with first OCA adhesive linkage between flexible toughened glass layer and the flexible PET matrix layer and bond each other, flexible PET matrix layer deviates from and bonds one side with flexible toughened glass layer and paste there is the PET protection film, be equipped with second OCA adhesive linkage between touch-sensitive function piece and the flexible toughened glass layer and bond each other, flexible toughened glass layer corresponds touch-sensitive function piece one side printing and has stealthy circuit, the both sides of flexible toughened glass layer are equipped with the recess, the thickness that first OCA adhesive linkage and second OCA adhesive linkage located recess department is more than twice of flexible toughened glass layer and flexible PET matrix layer bonding face.
According to the technical scheme, the edge of the flexible PET substrate layer, which corresponds to one side of the flexible toughened glass layer, is coated with insulating ink, and a window is formed in the center of the insulating ink.
The technical scheme is further improved in that the invisible circuit is printed on the position, close to the window, of the flexible toughened glass layer.
The technical scheme is further improved in that the flexible PET substrate layer and the flexible toughened glass layer are connected through the first OCA bonding layer in a pressing bonding mode.
The flexible toughened glass layer is connected with the second OCA bonding layer through the second OCA bonding layer in a pressing bonding mode.
The further improvement of the scheme is that the first OCA bonding layer and the second OCA bonding layer are OCA optical adhesives.
A method for manufacturing a flexible touch screen structure comprises the following steps,
step 1, preparing a large piece of flexible toughened glass, a PET matrix with a specified shape and a touch sensing functional sheet;
step 2, editing the invisible circuit on the printing equipment;
step 3, printing an invisible circuit on one surface of the large flexible toughened glass;
step 4, adhering a large piece of OCA optical adhesive on one surface of the large piece of flexible toughened glass, which is away from the printed invisible circuit;
step 5, cutting the large OCA optical adhesive on the large flexible toughened glass into a specified shape;
step 6, turning over the large flexible toughened glass for 180 degrees and then decomposing the large flexible toughened glass into a specified shape;
step 7, bonding one surface of the separated flexible toughened glass, which is adhered with the OCA optical adhesive, with a flexible PET matrix;
and 8, adhering OCA optical adhesive on the other surface of the flexible toughened glass and the flexible PET substrate in a pressing and bonding manner, and then adhering the OCA optical adhesive with the touch sensing functional sheet to finish manufacturing.
In the step 4, a large piece of first OCA bonding layer is adhered to the surface of the large piece of flexible toughened glass, which is away from the printed invisible circuit.
In the step 5, the large first OCA adhesive layer is cut into the same shape as the PET substrate and the touch sensing functional sheet by laser
According to the scheme, in the step 6, after the large piece of flexible toughened glass is turned over for 180 degrees, the toughened glass is decomposed in such a way that cracks are carved out of the shape to be cut of the flexible toughened glass through a nicking tool, the positions of the cracks are heated, one surface without the cracks is cooled in the process of heating the cracks, the heating temperature ranges from 400 ℃ to 800 ℃, the large piece of toughened glass is moved upwards, and the positions of the cracks are pressed and cut in the upward moving process, so that separation can be completed.
In step 7, the separated flexible toughened glass and the flexible PET substrate are bonded with each other through the first bonding layer by pressing.
In the step 8, a second OCA bonding layer is bonded on one surface of the flexible toughened glass printed invisible circuit, and then the second OCA bonding layer and the touch sensing functional sheet are bonded through pressing.
The beneficial effects of the invention are as follows:
according to the first aspect, the flexible PET substrate layer, the flexible toughened glass layer and the touch sensing functional sheet play a role in supporting a substrate through the flexible PET substrate layer, the overall use strength and the use effect can be improved through the flexible toughened glass layer, touch sensing information is led out through the touch sensing functional sheet, and touch operation is facilitated; according to the second aspect, the first OCA bonding layer is arranged between the flexible toughened glass layer and the flexible PET substrate layer and is bonded with each other, the flexible toughened glass layer and the flexible PET substrate layer can be bonded into a whole through the first OCA bonding layer, the bonding property is good, the integration is strong, the PET protective film is adhered to the surface of the flexible PET substrate layer, which is away from the surface bonded with the flexible toughened glass layer, the PET protective film is used for protecting the flexible PER substrate layer, the protection effect is good, the second OCA bonding layer is arranged between the touch sensing functional sheet and the flexible toughened glass layer and is bonded with each other, the flexible toughened glass layer and the touch sensing functional sheet can be bonded into a whole through the second OCA bonding layer, the bonding effect is good, and the integration is strong; in the third aspect, an invisible circuit is printed on one surface of the flexible toughened glass layer corresponding to the touch sensing functional sheet, and sensing touch effect can be realized through the invisible circuit, so that the touch sensing effect is good; in a fourth aspect, grooves are formed in two sides of the flexible toughened glass layer, the thickness of the first OCA bonding layer and the thickness of the second OCA bonding layer at the grooves are more than twice that of the bonding surfaces of the flexible toughened glass layer and the flexible PET substrate layer, and the integral bonding effect can be improved under the condition that flexibility is guaranteed through the OCA bonding layer with more than twice that of the edge, so that the flexible toughened glass layer is stronger in integration and good in using effect.
According to the invention, under the condition of ensuring flexibility, the OAC bonding layer is added at the edge of the toughened glass layer by more than two times, so that the bonding effect can be effectively improved, the integration is strong, and the service life is long.
A method for manufacturing a flexible touch screen structure comprises the following steps,
step 1, preparing a large piece of flexible toughened glass, a PET matrix with a specified shape and a touch sensing functional sheet; step 2, editing the invisible circuit on the printing equipment; step 3, printing an invisible circuit on one surface of the large flexible toughened glass; step 4, adhering a large piece of OCA optical adhesive on one surface of the large piece of flexible toughened glass, which is away from the printed invisible circuit; step 5, cutting the large OCA optical adhesive on the large flexible toughened glass into a specified shape; step 6, turning over the large flexible toughened glass for 180 degrees and then decomposing the large flexible toughened glass into a specified shape; step 7, bonding one surface of the separated flexible toughened glass, which is adhered with the OCA optical adhesive, with a flexible PET matrix; and 8, adhering OCA optical adhesive on the other surface of the flexible toughened glass and the flexible PET substrate in a pressing and bonding manner, and then adhering the OCA optical adhesive with the touch sensing functional sheet to finish manufacturing.
The manufacturing method is simple, a plurality of invisible circuits are directly printed on the large piece of toughened glass, the large piece of OCA optical adhesive is directly adhered, and then cutting and separation are carried out.
In the step 6, after turning over the large piece of flexible toughened glass for 180 degrees, the toughened glass is decomposed in such a way that cracks are carved on the shape of the flexible toughened glass to be cut by a nicking tool, the positions of the cracks are heated, one surface without the cracks is cooled in the process of heating the cracks, the heating temperature ranges from 400 ℃ to 800 ℃, the large piece of toughened glass is moved upwards, and the positions of the cracks are pressed and cut in the upward movement process, so that separation can be completed; the heating temperature of the tempered glass is preferably 550 ℃, and the combination of double-sided heating and cooling can prevent the portions other than the cutting line from being heated, thereby improving the cutting efficiency and cutting lines.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a schematic structural view of the present invention.
The attached drawings are used for identifying and describing: the flexible PET substrate layer 110, the PET protection film 111, the insulating ink 112, the window 113, the flexible toughened glass layer 120, the invisible circuit 121, the groove 122, the touch sensing functional sheet 130, the first OCA bonding layer 140 and the second OCA bonding layer 150.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Fig. 1 to 2 show a front view and a schematic structure of the present invention.
The utility model provides a flexible touch screen structure, includes flexible PET base member layer 110, flexible toughened glass layer 120 and touch-sensitive function piece 130, be equipped with first OCA adhesive layer 140 each other bond between flexible toughened glass layer 120 and the flexible PET base member layer 110, flexible PET base member layer 110 deviates from and bonds one side with flexible toughened glass layer 120 and paste there is PET protection film 111, be equipped with second OCA adhesive layer 150 each other bond between touch-sensitive function piece 130 and the flexible toughened glass layer 120, flexible toughened glass layer 120 corresponds touch-sensitive function piece 130 one side printing and has stealthy circuit 121, the both sides of flexible toughened glass layer 120 are equipped with recess 122, the thickness that first OCA adhesive layer 140 and second OCA adhesive layer 150 are located recess 122 department is more than twice of flexible toughened glass layer 120 and flexible PET base member layer 110 bonding face.
In the first aspect, the flexible PET substrate layer 110, the flexible toughened glass layer 120 and the touch sensing functional sheet 130 play a role in supporting a substrate through the flexible PET substrate layer 110, the overall use strength and the use effect can be improved through the flexible toughened glass layer 120, and the touch sensing information is led out through the touch sensing functional sheet 130, so that the touch operation is facilitated; in a second aspect, a first OCA bonding layer 140 is arranged between the flexible toughened glass layer 120 and the flexible PET substrate layer 110, the flexible toughened glass layer 120 and the flexible PET substrate layer 110 can be bonded together through the first OCA bonding layer 140, the bonding property is good, the integration is strong, the flexible PET substrate layer 110 is adhered with a PET protection film 111 on the surface, which is away from the surface bonded with the flexible toughened glass layer 120, of the flexible PET substrate layer, the protection effect is good, a second OCA bonding layer 150 is arranged between the touch sensing functional sheet 130 and the flexible toughened glass layer 120, the flexible toughened glass layer 120 and the touch sensing functional sheet 130 can be bonded together through the second OCA bonding layer 150 effectively, the bonding effect is good, and the integration is strong; in the third aspect, the surface of the flexible tempered glass layer 120 corresponding to the touch sensing functional sheet 130 is printed with a hidden circuit 121, and the touch sensing effect can be achieved through the hidden circuit 121, so that the touch sensing effect is good; in a fourth aspect, grooves 122 are formed on two sides of the flexible tempered glass layer 120, the first OCA bonding layer 140 and the second OCA bonding layer 150 are located at the grooves 122 and have a thickness which is more than twice that of the bonding surface of the flexible tempered glass layer 120 and the flexible PET substrate layer 110, and the bonding effect of the whole body can be improved under the condition that the flexibility is ensured by arranging more than twice OCA bonding layers at the edge positions, so that the bonding effect is stronger in integration and good in use effect.
The edge of the flexible PET substrate layer 110 corresponding to one surface of the flexible toughened glass layer 120 is coated with insulating ink 112, a window 113 is formed in the center of the insulating ink 112, the insulating ink 112 is used for insulation, and the content displayed in the display screen can be conveniently observed through the window 113, so that the insulating effect is good, and the use is convenient.
The invisible circuit 121 is printed on the flexible toughened glass layer 120 near the window 113, so that the touch operation on the window 113 can be conveniently sensed, the operation is convenient, and the touch effect is good.
The flexible PET substrate layer 110 is connected with the flexible toughened glass layer 120 through the first OCA bonding layer 140 in a bonding mode, the flexible toughened glass layer 120 is connected with the second OCA bonding layer 150 through the second OCA bonding layer 150 in a bonding mode, and the flexible PET substrate layer is connected with the flexible toughened glass layer through the bonding mode in a bonding mode, good in bonding effect, strong in integrity and good in using effect.
The first OCA adhesive layer 140 and the second OCA adhesive layer 150 are both OCA optical adhesives, and OCA (Optically Clear Adhesive) is a special adhesive for bonding transparent optical elements (such as lenses); the adhesive has the characteristics of no color, transparency, light transmittance of more than 90%, good cementing strength, capability of being cured at room temperature or medium temperature, small curing shrinkage and the like.
According to the invention, under the condition of ensuring flexibility, the OAC bonding layer is added at the edge of the toughened glass layer by more than two times, so that the bonding effect can be effectively improved, the integration is strong, and the service life is long.
A method for manufacturing a flexible touch screen structure comprises the following steps of,
step 1, preparing a large piece of flexible toughened glass, a PET matrix with a specified shape and a touch sensing functional sheet 130;
step 2, editing the invisible circuit 121 on the printing device;
step 3, printing a hidden circuit 121 on one surface of the large flexible toughened glass;
step 4, adhering a large piece of first OCA adhesive layer 140 on the surface of the large piece of flexible toughened glass, which is away from the printed invisible circuit 121;
step 5, cutting the large first OCA adhesive layer 140 into the same shape as the PET substrate and the touch sensing functional sheet 130 by laser;
step 6, turning over the large flexible toughened glass for 180 degrees and then decomposing the large flexible toughened glass into a specified shape;
step 7, the separated flexible toughened glass is mutually bonded with the flexible PET matrix through a first bonding layer by pressing;
and 8, adhering a second OCA adhesive layer 150 on one surface of the flexible toughened glass printed invisible circuit 121, and bonding the second OCA adhesive layer with the touch sensing functional sheet through lamination.
The manufacturing method is simple, and by directly printing a plurality of invisible circuits 121 on a large piece of toughened glass and directly adhering a large piece of OCA optical adhesive, then cutting and separating, the method can effectively save material cost and has high manufacturing efficiency.
In the step 6, after turning the large piece of flexible toughened glass by 180 degrees, the toughened glass is decomposed in such a way that cracks are carved on the shape of the flexible toughened glass to be cut by a nicking tool, the positions of the cracks are heated, one surface without the cracks is cooled in the process of heating the cracks, the heating temperature ranges from 400 ℃ to 800 ℃, the large piece of toughened glass is moved upwards, and the positions of the cracks are pressed and cut in the upward movement process, so that the separation can be completed; the heating temperature of the tempered glass is preferably 550 ℃, and the combination of double-sided heating and cooling can prevent the portions other than the cutting line from being heated, thereby improving the cutting efficiency and cutting lines.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. A method for manufacturing a flexible touch screen structure, characterized in that: the flexible PET substrate layer is adhered with a PET protective film on one surface of the flexible PET substrate layer, which is away from the flexible toughened glass layer, a second OCA adhesive layer is adhered with the flexible toughened glass layer, a hidden circuit is printed on one surface of the flexible toughened glass layer corresponding to the touch sensing functional sheet, grooves are formed in two sides of the flexible toughened glass layer, and the thickness of the first OCA adhesive layer and the second OCA adhesive layer at the grooves is more than twice that of the adhesive surface of the flexible toughened glass layer and the flexible PET substrate layer;
the method comprises the steps of,
step 1, preparing a large piece of flexible toughened glass, a PET matrix with a specified shape and a touch sensing functional sheet;
step 2, editing the invisible circuit on the printing equipment;
step 3, printing an invisible circuit on one surface of the large flexible toughened glass;
step 4, adhering a large piece of OCA optical adhesive on one surface of the large piece of flexible toughened glass, which is away from the printed invisible circuit;
step 5, cutting the large OCA optical adhesive on the large flexible toughened glass into a specified shape;
step 6, turning over the large flexible toughened glass for 180 degrees and then decomposing the large flexible toughened glass into a specified shape;
step 7, bonding one surface of the separated flexible toughened glass, which is adhered with the OCA optical adhesive, with a flexible PET matrix;
step 8, sticking OCA optical adhesive on the other surface of the flexible toughened glass and the flexible PET substrate in a pressing and bonding manner, and then sticking the OCA optical adhesive with the touch sensing functional sheet to finish manufacturing;
in the step 6, after the large piece of flexible toughened glass is turned over for 180 degrees, the toughened glass is decomposed in such a way that cracks are carved on the shape of the flexible toughened glass to be cut through a nicking tool, the positions of the cracks are heated, one surface without the cracks is cooled in the process of heating the cracks, the heating temperature ranges from 400 ℃ to 800 ℃, the large piece of toughened glass is moved upwards, and the positions of the cracks are pressed and cut in the upward movement process, so that separation can be completed.
2. A method of manufacturing a flexible touch screen structure according to claim 1, wherein: the edge of the flexible PET substrate layer corresponding to one side of the flexible toughened glass layer is coated with insulating ink, and a window is formed in the center of the insulating ink.
3. A method of manufacturing a flexible touch screen structure according to claim 2, wherein: the invisible circuit is printed on the flexible toughened glass layer at the position close to the window.
4. A method of manufacturing a flexible touch screen structure according to claim 1, wherein: the flexible PET substrate layer and the flexible toughened glass layer are connected through lamination and bonding of the first OCA bonding layer.
5. A method of manufacturing a flexible touch screen structure according to claim 1, wherein: the flexible toughened glass layer is connected with the second OCA bonding layer through the second OCA bonding layer in a pressing bonding mode.
6. A method of manufacturing a flexible touch screen structure according to claim 1, wherein: the first OCA bonding layer and the second OCA bonding layer are OCA optical adhesives.
7. A method of manufacturing a flexible touch screen structure according to claim 1, wherein: in the step 4, a large piece of first OCA bonding layer is adhered on one surface of the large piece of flexible toughened glass, which is away from the printed invisible circuit;
in the step 5, the first OCA adhesive layer of the large sheet is cut into the same shape as the PET substrate and the touch sensing functional sheet by laser.
8. The method of manufacturing a flexible touch screen structure of claim 7, wherein: in the step 7, the separated flexible toughened glass is mutually bonded with the flexible PET matrix through the first OCA bonding layer by pressing;
in the step 8, a second OCA bonding layer is bonded on one surface of the flexible toughened glass printed invisible circuit, and then the second OCA bonding layer and the touch sensing functional sheet are bonded through pressing.
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| CN201955769U (en) * | 2010-12-30 | 2011-08-31 | 漳州市百昱工贸有限公司 | Capacitive touch screen |
| CN103197822A (en) * | 2013-04-15 | 2013-07-10 | 深圳市正星光电技术有限公司 | Multifunctional projection capacitor touch panel and manufacturing method thereof |
| CN204066079U (en) * | 2014-08-13 | 2014-12-31 | 信利光电股份有限公司 | A kind of capacitive touch screen |
| CN104793831A (en) * | 2015-04-03 | 2015-07-22 | 欧浦登（福州）光学有限公司 | Self-adhesion flexible capacitive touch screen |
| CN105705469A (en) * | 2013-11-04 | 2016-06-22 | 康宁精密素材株式会社 | Toughened glass cutting method and toughened glass cutting apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207557914U (en) * | 2017-12-18 | 2018-06-29 | 广西中沛光电科技有限公司 | A kind of flexible touch screen structure |
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| CN201955769U (en) * | 2010-12-30 | 2011-08-31 | 漳州市百昱工贸有限公司 | Capacitive touch screen |
| CN103197822A (en) * | 2013-04-15 | 2013-07-10 | 深圳市正星光电技术有限公司 | Multifunctional projection capacitor touch panel and manufacturing method thereof |
| CN105705469A (en) * | 2013-11-04 | 2016-06-22 | 康宁精密素材株式会社 | Toughened glass cutting method and toughened glass cutting apparatus |
| CN204066079U (en) * | 2014-08-13 | 2014-12-31 | 信利光电股份有限公司 | A kind of capacitive touch screen |
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