CN109710118A - A kind of production technology of capacitive touch screen - Google Patents
A kind of production technology of capacitive touch screen Download PDFInfo
- Publication number
- CN109710118A CN109710118A CN201811605212.7A CN201811605212A CN109710118A CN 109710118 A CN109710118 A CN 109710118A CN 201811605212 A CN201811605212 A CN 201811605212A CN 109710118 A CN109710118 A CN 109710118A
- Authority
- CN
- China
- Prior art keywords
- blue light
- circuit board
- touch screen
- layer
- antistatic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses a kind of production technologies of capacitive touch screen, including glass substrate, conductive film, transparent circuit board and protective glass, production technology is following steps: capacitive touch screen S5, S1, circuit board pretreatment: S2, circuit board etched circuit: S3, first one-step forming: S4, adherency protective layer: is made.Not only translucency is good for touch screen produced by the invention; and in touch screen production technology; anti-blue light film layer and antistatic layer are added thereto; the antistatic effect of touch screen can be made to reach 98%, and 99% is reached to the blocking effect of blue light, the anti-blue light performance and antistatic property further improved; alleviate injury of the blue light to eyes; human eye is protected, while the generation of electrostatic can be effectively prevented, the electric discharge of electrostatic is avoided to impact the using effect of touch screen.
Description
Technical field
The present invention relates to touch screen technology field, the production technology of specifically a kind of capacitive touch screen.
Background technique
Touch screen is also known as " touch screen ", " touch panel ", is a kind of induction type liquid of the input signals such as receivable contact
Crystal device, when contacting the graphic button on screen, the haptic feedback system on screen can be according to the journey of preprogramming
Formula drives various connection devices, is substituted for mechanical push button panel, and produces by liquid crystal display picture lively
Visual and sound effects.Touch screen as a kind of newest computer input apparatus, it be at present most simply, conveniently, it is naturally a kind of man-machine
Interactive mode.It imparts multimedia with brand-new looks, is extremely attractive completely new multimedia interactive equipment.
Chinese patent discloses a kind of capacitive touch screen preparation method (Authorization Notice No. CN103309538B), the patent
Frivolous property can be made preferably and the touch screen with good light permeability in technology.
Chinese patent discloses a kind of touch screen preparation method (Authorization Notice No. CN103823595A), and the patented technology is logical
It crosses and development is exposed to photoresist layer generates groove, conductive material is filled in groove to form lead, compared to directly printing
The mode of lead, can be more fine using the obtained leads of exposure development technology, meets the design of narrow-frame touch panel
Demand.
Existing capacitive touch screen analysis of Production Technology is combined by above-mentioned two Chinese patent literatures, at present touch screen
In production process, although make touch screen have good translucency, for touch screen protective do it is inadequate
It is perfect, in touch screen use process, due to containing abnormal height in light source of the background light source by powerful electron stream excitation
The eyes of viewer can be caused to damage by energy shortwave blue light, even if now with some anti-blue light technologies, but effect is still inadequate
Obviously, and in use, the electric discharge of electrostatic impacts the use of touch screen in touch screen, therefore, this field skill
Art personnel provide a kind of production technology of capacitive touch screen, to solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of the present invention is to provide a kind of production technologies of capacitive touch screen, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of production technology of capacitive touch screen, including
Glass substrate, conductive film, transparent circuit board and protective glass, production technology are following steps:
S1, circuit board pretreatment
A1: taking transparent circuit board to be prepared, and transparent circuit board to be prepared is cut into required size by cutting machine；
A2: starting the cleaning processing the circuit board after cutting by cleaning machine, be then placed in drying box and be dried, standby
With.
S2, circuit board etched circuit
B1: after the completion of S1 pretreatment, increase sodium ion barrier layer in transparent circuit board upper surface first, then in transparent circuitry
The lower surface of plate is laid with silicon dioxide blocking layer；
B2: after B1, adding photoresist in silicon dioxide blocking layer, by laser-induced thermal etching capacitive sensing circuit, and
Electrode is added on four angles of capacitive sensing circuit, forms a stable electrode field；
B3: after the completion of circuit etch, carrying out Function detection to capacitive sensing circuit, detect the spare of qualification, underproof to take
Out.
S3, first one-step forming
C1: transparent circuit board and the glass substrate being consistent with its size are subjected to pre-heating temperature elevation processing；
C2: after C1, in the surface adhesion conductive film of transparent circuit board, transparent circuit board is then loaded into glass substrate
On, cooling and solidifying processing then is carried out to it, is rolled repeatedly on conductive film and transparent circuit board using chill roll, the time 15
Minute, suppress transparent circuit board and glass substrate integral；
C3: after the completion of C2 is docked and suppressed, carrying out Function detection to capacitive sensing circuit, detect the spare of qualification, unqualified
Taking-up.
S4, adherency protective layer
D1: after the completion of the compacting of S3 conductive film, glass substrate and protective glass that compacting is completed are placed under constant temperature light conditions
Carry out the pre-heat treatment；
D2: in the front spraying anti-blue light film layer and antistatic layer of protective glass, and optical cement is coated on conductive film；
D3: the temperature of constant temperature heat source is dropped to 35 DEG C~40 DEG C, rate of temperature fall is 5 DEG C/s~7 DEG C/s, will be protected using chill roll
Glass is compressed on conductive film, and is rolled repeatedly and carried out de-bubble, until bubble is eliminated, then opens ultraviolet lamp and cooling fan
Accelerate cooling efficiency.
S5, capacitive touch screen is made
E1, after S4 cooling and solidifying, Function detection is carried out to capacitive sensing circuit, detecting qualified is finished product capacitive touch
Touch screen, underproof taking-up.
As a further solution of the present invention: the step of silicon dioxide blocking layer is laid in the B1 are as follows:
F1: will first be heat-treated transparent circuit board, coat optical cement, temperature in transparent circuit board under conditions of constant temperature
At 55~70 DEG C, the time is 7~15s；
F2: and then cooling treatment is carried out, by silicon dioxide blocking layer fixed placement on substratum transparent, in the irradiation of ultraviolet light
Under, using cooling roll pressing silicon dioxide blocking layer, cooling temperature is at 55~35 DEG C, and cooling rate is 5 DEG C/s~10 DEG C/s, i.e.,
It is achievable.
As further scheme of the invention: the pretreatment specific steps in the C1 are as follows: first guarantee that thermostat temperature exists
50~70 DEG C, constant temperature time is 10~50s, is then laid with optical cement on glass substrate and transparent circuit board.
As further scheme of the invention: the specific steps of spraying the anti-blue light film layer and antistatic layer are as follows:
Q1: firstly, stablize under 50 DEG C~70 DEG C of constant temperature by the positive wiped clean of protective glass, and in temperature,
Thermostatic hold-time is 10s~12s；Then anti-blue light film layer is wrapped on cold pressing roller, and the operating temperature of cold pressing roller is steady
It is scheduled on 30 DEG C~40 DEG C；Anti-blue light film layer is finally compressed on to the front of protective glass, extra anti-blue light film layer is cut off；
Antistatic layer: being equally compressed on the front of protective glass in identical condition by Q2, and extra antistatic layer is cut
It removes, i.e. anti-blue light film layer and antistatic layer compacting is completed.
As further scheme of the invention: the antistatic layer is made of two base membrane layers and antistatic glue
Component, preparation method are as follows:
K1: the first wife of antistatic glue material being placed in super mixer and mix 10~20 minutes, revolving speed for 150~4500 turns/
Point, obtain antistatic glue；
K2: and then after carrying out sided corona treatment to two base membrane layers, antistatic glue is coated on the opposite face of two base membrane layers,
Then quickly by the fitting compacting of two base membrane layers, and with UV light source thermalization 30s, it can be prepared by antistatic layer；
The anti-blue light film layer is the component made of two base membrane layers and anti-blue light glue, preparation method are as follows:
G1: the first wife of anti-blue light glue material being placed in super mixer and mix 3~15 minutes, revolving speed for 150~4500 turns/
Point, obtain anti-blue light glue；
G2: and then clean out the surface of two base membrane layers, anti-blue light glue is coated in the opposite of two base membrane layers
On face, then quickly by the fitting compacting of two base membrane layers, and with UV light source thermalization 20s, anti-blue light film layer can be prepared by.
As further scheme of the invention: the antistatic glue is divided by mass percentage: polysulfur nitride class: 10
~16%, ethoxylation oleyl amine: 20~30%, ethoxylated alkyl acid amide: 12~20%, polyimides: 18.5~25%, glycerol one
Stearate: 8~12%；Polyacetylene: 6~10%, auxiliary agent: 0.3~0.6%；
The anti-blue light glue is divided by mass percentage: styrene: 12~18%, o-phenylenediamine: 7~12%, azo metal contaminates
Material: 20~35%, acetylacetone,2,4-pentanedione: 10~20%, porphyrins: 13~20%, acrylate: 8~15%, auxiliary agent: 0.3~
0.6%。
As the present invention further scheme: the auxiliary agent includes cosolvent, dispersing agent and swelling binder, wherein cosolvent
For one or more of tetrafluoropropanol, p-aminobenzoic acid, acetamide, propyl acetate mixture, dispersing agent is that vinyl is double
One or more of stearmide, methyl anyl alcohol, polyethylene glycol mixture, swelling binder are glycerol ether oxygen propyl trimethoxy silicon
Alkane, the azo metal dye, structure are (A-N=N-B) 2M, and wherein A is phenyl ring, and B is cyclohexene, and M is metal.
As the present invention further scheme: the anti-blue light film layer with a thickness of 7~12um, the antistatic layer
With a thickness of 13~18um.
Compared with prior art, the beneficial effects of the present invention are: the present invention is in touch screen production technology, by anti-blue light film
Layer and antistatic layer are added thereto, and can be further enhanced the anti-blue light ability and antistatic effect of touch screen, be alleviated indigo plant
Injury of the light to eyes protects human eye, while the generation of electrostatic can be effectively prevented, and avoids the electric discharge of electrostatic to touch screen
Using effect impact, and be added in anti-blue light film layer azo metal dye, porphyrins and other inhale it is blue
Luminescent material when being dissolved in together, can make anti-blue light film layer have stronger absorbability, good heat in blue region
Polyimides that stability makes anti-blue light film layer reach 99% to the blocking effect of blue light, and is added in antistatic layer and
After other compositions dissolution, the antistatic effect of antistatic layer can be made to reach 98%, further improve the anti-blue light of touch screen
Performance and antistatic property.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the production technology of capacitive touch screen；
Fig. 2 is the composition figure of antistatic glue in a kind of production technology of capacitive touch screen；
Fig. 3 is the composition figure of anti-blue light glue in a kind of production technology of capacitive touch screen.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~3, in the embodiment of the present invention,
Embodiment 1
A kind of production technology of capacitive touch screen, including glass substrate, conductive film, transparent circuit board and protective glass, life
Production. art is following steps:
S1, circuit board pretreatment
A1: taking transparent circuit board to be prepared, and transparent circuit board to be prepared is cut into required size by cutting machine；
A2: starting the cleaning processing the circuit board after cutting by cleaning machine, be then placed in drying box and be dried, standby
With.
S2, circuit board etched circuit
B1: after the completion of S1 pretreatment, increase sodium ion barrier layer in transparent circuit board upper surface first, then in transparent circuitry
The lower surface of plate is laid with silicon dioxide blocking layer；
B2: after B1, adding photoresist in silicon dioxide blocking layer, by laser-induced thermal etching capacitive sensing circuit, and
Electrode is added on four angles of capacitive sensing circuit, forms a stable electrode field；
B3: after the completion of circuit etch, carrying out Function detection to capacitive sensing circuit, detect the spare of qualification, underproof to take
Out.
S3, first one-step forming
C1: transparent circuit board and the glass substrate being consistent with its size are subjected to pre-heating temperature elevation processing；
C2: after C1, in the surface adhesion conductive film of transparent circuit board, transparent circuit board is then loaded into glass substrate
On, cooling and solidifying processing then is carried out to it, is rolled repeatedly on conductive film and transparent circuit board using chill roll, the time 15
Minute, suppress transparent circuit board and glass substrate integral；
C3: after the completion of C2 is docked and suppressed, carrying out Function detection to capacitive sensing circuit, detect the spare of qualification, unqualified
Taking-up.
S4, adherency protective layer
D1: after the completion of the compacting of S3 conductive film, glass substrate and protective glass that compacting is completed are placed under constant temperature light conditions
Carry out the pre-heat treatment；
D2: in the front spraying anti-blue light film layer and antistatic layer of protective glass, and optical cement is coated on conductive film；
D3: the temperature of constant temperature heat source is dropped to 35 DEG C~40 DEG C, rate of temperature fall is 5 DEG C/s~7 DEG C/s, will be protected using chill roll
Glass is compressed on conductive film, and is rolled repeatedly and carried out de-bubble, until bubble is eliminated, then opens ultraviolet lamp and cooling fan
Accelerate cooling efficiency.
S5, capacitive touch screen is made
E1, after S4 cooling and solidifying, Function detection is carried out to capacitive sensing circuit, detecting qualified is finished product capacitive touch
Touch screen, underproof taking-up.
Further, the step of silicon dioxide blocking layer is laid in B1 are as follows:
F1: will first be heat-treated transparent circuit board, coat optical cement, temperature in transparent circuit board under conditions of constant temperature
At 55~70 DEG C, the time is 7~15s；
F2: and then cooling treatment is carried out, by silicon dioxide blocking layer fixed placement on substratum transparent, in the irradiation of ultraviolet light
Under, using cooling roll pressing silicon dioxide blocking layer, cooling temperature is at 55~35 DEG C, and cooling rate is 5 DEG C/s~10 DEG C/s, i.e.,
It is achievable.
Further, the pretreatment specific steps in C1 are as follows: first guarantee thermostat temperature at 50~70 DEG C, constant temperature time 10
Then~50s is laid with optical cement on glass substrate and transparent circuit board.
Further, the specific steps of anti-blue light film layer and antistatic layer are sprayed are as follows:
Q1: firstly, stablize under 50 DEG C~70 DEG C of constant temperature by the positive wiped clean of protective glass, and in temperature,
Thermostatic hold-time is 10s~12s；Then anti-blue light film layer is wrapped on cold pressing roller, and the operating temperature of cold pressing roller is steady
It is scheduled on 30 DEG C~40 DEG C；Anti-blue light film layer is finally compressed on to the front of protective glass, extra anti-blue light film layer is cut off；
Antistatic layer: being equally compressed on the front of protective glass in identical condition by Q2, and extra antistatic layer is cut
It removes, i.e. anti-blue light film layer and antistatic layer compacting is completed.
Further, antistatic layer is the component made of two base membrane layers and antistatic glue, preparation method are as follows:
K1: the first wife of antistatic glue material being placed in super mixer and mix 10~20 minutes, revolving speed for 150~4500 turns/
Point, obtain antistatic glue；
K2: and then after carrying out sided corona treatment to two base membrane layers, antistatic glue is coated on the opposite face of two base membrane layers,
Then quickly by the fitting compacting of two base membrane layers, and with UV light source thermalization 30s, it can be prepared by antistatic layer；
Anti-blue light film layer is the component made of two base membrane layers and anti-blue light glue, preparation method are as follows:
G1: the first wife of anti-blue light glue material being placed in super mixer and mix 3~15 minutes, revolving speed for 150~4500 turns/
Point, obtain anti-blue light glue；
G2: and then clean out the surface of two base membrane layers, anti-blue light glue is coated in the opposite of two base membrane layers
On face, then quickly by the fitting compacting of two base membrane layers, and with UV light source thermalization 20s, anti-blue light film layer can be prepared by.
Further, antistatic glue is divided by mass percentage: polysulfur nitride class: 10%, ethoxylation oleyl amine: 20%,
Ethoxylated alkyl acid amide: 12%, polyimides: 18.5%, monostearin: 8%；Polyacetylene: 6%, auxiliary agent: 0.3%；
Anti-blue light glue is divided by mass percentage: styrene: 12%, o-phenylenediamine: 7%, azo metal dye: 20%, levulinic
Ketone: 10%, porphyrins: 13%, acrylate: 8%, auxiliary agent: 0.3%.
Further, auxiliary agent includes cosolvent, dispersing agent and swelling binder, and wherein cosolvent is tetrafluoropropanol, p-aminophenyl
One or more of formic acid, acetamide, propyl acetate mixture, dispersing agent are vinyl bis-stearamides, methyl anyl alcohol, gather
One or more of ethylene glycol mixture, swelling binder are glycerol ether oxygen propyl trimethoxy silicane, azo metal dye, knot
Structure is (A-N=N-B) 2M, and wherein A is phenyl ring, and B is cyclohexene, and M is metal.
Further, anti-blue light film layer with a thickness of 7~12um, antistatic layer with a thickness of 13~18um.
Wherein, through above-mentioned raw materials be formulated in each component proportion preparation anti-blue light film layer and antistatic layer, through trying
It tests and obtains, anti-blue light film layer reaches 97% to the blocking effect of blue light, and the antistatic effect of antistatic layer reaches 95.5%.
Embodiment 2
A kind of production technology of capacitive touch screen, including glass substrate, conductive film, transparent circuit board and protective glass, life
Production. art is following steps:
S1, circuit board pretreatment
A1: taking transparent circuit board to be prepared, and transparent circuit board to be prepared is cut into required size by cutting machine；
A2: starting the cleaning processing the circuit board after cutting by cleaning machine, be then placed in drying box and be dried, standby
With.
S2, circuit board etched circuit
B1: after the completion of S1 pretreatment, increase sodium ion barrier layer in transparent circuit board upper surface first, then in transparent circuitry
The lower surface of plate is laid with silicon dioxide blocking layer；
B2: after B1, adding photoresist in silicon dioxide blocking layer, by laser-induced thermal etching capacitive sensing circuit, and
Electrode is added on four angles of capacitive sensing circuit, forms a stable electrode field；
B3: after the completion of circuit etch, carrying out Function detection to capacitive sensing circuit, detect the spare of qualification, underproof to take
Out.
S3, first one-step forming
C1: transparent circuit board and the glass substrate being consistent with its size are subjected to pre-heating temperature elevation processing；
C2: after C1, in the surface adhesion conductive film of transparent circuit board, transparent circuit board is then loaded into glass substrate
On, cooling and solidifying processing then is carried out to it, is rolled repeatedly on conductive film and transparent circuit board using chill roll, the time 15
Minute, suppress transparent circuit board and glass substrate integral；
C3: after the completion of C2 is docked and suppressed, carrying out Function detection to capacitive sensing circuit, detect the spare of qualification, unqualified
Taking-up.
S4, adherency protective layer
D1: after the completion of the compacting of S3 conductive film, glass substrate and protective glass that compacting is completed are placed under constant temperature light conditions
Carry out the pre-heat treatment；
D2: in the front spraying anti-blue light film layer and antistatic layer of protective glass, and optical cement is coated on conductive film；
D3: the temperature of constant temperature heat source is dropped to 35 DEG C~40 DEG C, rate of temperature fall is 5 DEG C/s~7 DEG C/s, will be protected using chill roll
Glass is compressed on conductive film, and is rolled repeatedly and carried out de-bubble, until bubble is eliminated, then opens ultraviolet lamp and cooling fan
Accelerate cooling efficiency.
S5, capacitive touch screen is made
E1, after S4 cooling and solidifying, Function detection is carried out to capacitive sensing circuit, detecting qualified is finished product capacitive touch
Touch screen, underproof taking-up.
Further, the step of silicon dioxide blocking layer is laid in B1 are as follows:
F1: will first be heat-treated transparent circuit board, coat optical cement, temperature in transparent circuit board under conditions of constant temperature
At 55~70 DEG C, the time is 7~15s；
F2: and then cooling treatment is carried out, by silicon dioxide blocking layer fixed placement on substratum transparent, in the irradiation of ultraviolet light
Under, using cooling roll pressing silicon dioxide blocking layer, cooling temperature is at 55~35 DEG C, and cooling rate is 5 DEG C/s~10 DEG C/s, i.e.,
It is achievable.
Further, the pretreatment specific steps in C1 are as follows: first guarantee thermostat temperature at 50~70 DEG C, constant temperature time 10
Then~50s is laid with optical cement on glass substrate and transparent circuit board.
Further, the specific steps of anti-blue light film layer and antistatic layer are sprayed are as follows:
Q1: firstly, stablize under 50 DEG C~70 DEG C of constant temperature by the positive wiped clean of protective glass, and in temperature,
Thermostatic hold-time is 10s~12s；Then anti-blue light film layer is wrapped on cold pressing roller, and the operating temperature of cold pressing roller is steady
It is scheduled on 30 DEG C~40 DEG C；Anti-blue light film layer is finally compressed on to the front of protective glass, extra anti-blue light film layer is cut off；
Antistatic layer: being equally compressed on the front of protective glass in identical condition by Q2, and extra antistatic layer is cut
It removes, i.e. anti-blue light film layer and antistatic layer compacting is completed.
Further, antistatic layer is the component made of two base membrane layers and antistatic glue, preparation method are as follows:
K1: the first wife of antistatic glue material being placed in super mixer and mix 10~20 minutes, revolving speed for 150~4500 turns/
Point, obtain antistatic glue；
K2: and then after carrying out sided corona treatment to two base membrane layers, antistatic glue is coated on the opposite face of two base membrane layers,
Then quickly by the fitting compacting of two base membrane layers, and with UV light source thermalization 30s, it can be prepared by antistatic layer；
Anti-blue light film layer is the component made of two base membrane layers and anti-blue light glue, preparation method are as follows:
G1: the first wife of anti-blue light glue material being placed in super mixer and mix 3~15 minutes, revolving speed for 150~4500 turns/
Point, obtain anti-blue light glue；
G2: and then clean out the surface of two base membrane layers, anti-blue light glue is coated in the opposite of two base membrane layers
On face, then quickly by the fitting compacting of two base membrane layers, and with UV light source thermalization 20s, anti-blue light film layer can be prepared by.
Further, antistatic glue is divided by mass percentage: polysulfur nitride class: 13%, ethoxylation oleyl amine: 25%,
Ethoxylated alkyl acid amide: 16%, polyimides: 22%, monostearin: 10%；Polyacetylene: 8%, auxiliary agent: 0.5%；
Anti-blue light glue is divided by mass percentage: styrene: 15%, o-phenylenediamine: 9%, azo metal dye: 30%, levulinic
Ketone: 15%, porphyrins: 16%, acrylate: 11%, auxiliary agent: 0.5%.
Further, auxiliary agent includes cosolvent, dispersing agent and swelling binder, and wherein cosolvent is tetrafluoropropanol, p-aminophenyl
One or more of formic acid, acetamide, propyl acetate mixture, dispersing agent are vinyl bis-stearamides, methyl anyl alcohol, gather
One or more of ethylene glycol mixture, swelling binder are glycerol ether oxygen propyl trimethoxy silicane, azo metal dye, knot
Structure is (A-N=N-B) 2M, and wherein A is phenyl ring, and B is cyclohexene, and M is metal.
Further, anti-blue light film layer with a thickness of 7~12um, antistatic layer with a thickness of 13~18um.
Wherein, through above-mentioned raw materials be formulated in each component proportion preparation anti-blue light film layer and antistatic layer, through trying
It tests and obtains, anti-blue light film layer reaches 99% to the blocking effect of blue light, and the antistatic effect of antistatic layer reaches 98%.
In conclusion be added thereto anti-blue light film layer and antistatic layer in touch screen production technology, it can be into one
The anti-blue light ability and antistatic effect of step enhancing touch screen, alleviate injury of the blue light to eyes, protect human eye, simultaneously
The generation that electrostatic can be effectively prevented avoids the electric discharge of electrostatic from impacting the use of touch screen.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of production technology of capacitive touch screen, including glass substrate, conductive film, transparent circuit board and protective glass,
It is characterized in that, production technology is following steps:
S1, circuit board pretreatment
A1: taking transparent circuit board to be prepared, and transparent circuit board to be prepared is cut into required size by cutting machine；
A2: starting the cleaning processing the circuit board after cutting by cleaning machine, be then placed in drying box and be dried, standby
With；
S2, circuit board etched circuit
B1: after the completion of S1 pretreatment, increase sodium ion barrier layer in transparent circuit board upper surface first, then in transparent circuitry
The lower surface of plate is laid with silicon dioxide blocking layer；
B2: after B1, adding photoresist in silicon dioxide blocking layer, by laser-induced thermal etching capacitive sensing circuit, and
Electrode is added on four angles of capacitive sensing circuit, forms a stable electrode field；
B3: after the completion of circuit etch, carrying out Function detection to capacitive sensing circuit, detect the spare of qualification, underproof to take
Out；
S3, first one-step forming
C1: transparent circuit board and the glass substrate being consistent with its size are subjected to pre-heating temperature elevation processing；
C2: after C1, in the surface adhesion conductive film of transparent circuit board, transparent circuit board is then loaded into glass substrate
On, cooling and solidifying processing then is carried out to it, is rolled repeatedly on conductive film and transparent circuit board using chill roll, the time 15
Minute, suppress transparent circuit board and glass substrate integral；
C3: after the completion of C2 is docked and suppressed, carrying out Function detection to capacitive sensing circuit, detect the spare of qualification, unqualified
Taking-up；
S4, adherency protective layer
D1: after the completion of the compacting of S3 conductive film, glass substrate and protective glass that compacting is completed are placed under constant temperature light conditions
Carry out the pre-heat treatment；
D2: in the front spraying anti-blue light film layer and antistatic layer of protective glass, and optical cement is coated on conductive film；
D3: the temperature of constant temperature heat source is dropped to 35 DEG C~40 DEG C, rate of temperature fall is 5 DEG C/s~7 DEG C/s, will be protected using chill roll
Glass is compressed on conductive film, and is rolled repeatedly and carried out de-bubble, until bubble is eliminated, then opens ultraviolet lamp and cooling fan
Accelerate cooling efficiency；
S5, capacitive touch screen is made
E1, after S4 cooling and solidifying, Function detection is carried out to capacitive sensing circuit, detecting qualified is finished product capacitive touch
Touch screen, underproof taking-up.
2. a kind of production technology of capacitive touch screen according to claim 1, which is characterized in that be laid with two in the B1
The step of silica barrier layer are as follows:
F1: will first be heat-treated transparent circuit board, coat optical cement, temperature in transparent circuit board under conditions of constant temperature
At 55~70 DEG C, the time is 7~15s；
F2: and then cooling treatment is carried out, by silicon dioxide blocking layer fixed placement on substratum transparent, in the irradiation of ultraviolet light
Under, using cooling roll pressing silicon dioxide blocking layer, cooling temperature is at 55~35 DEG C, and cooling rate is 5 DEG C/s~10 DEG C/s, i.e.,
It is achievable.
3. a kind of production technology of capacitive touch screen according to claim 1, which is characterized in that the pre- place in the C1
Manage specific steps are as follows: first guarantee thermostat temperature at 50~70 DEG C, constant temperature time is 10~50s, then in glass substrate and transparent
Optical cement is laid on circuit board.
4. a kind of production technology of capacitive touch screen according to claim 1, which is characterized in that the spraying anti-blue light
The specific steps of film layer and antistatic layer are as follows:
Q1: firstly, stablize under 50 DEG C~70 DEG C of constant temperature by the positive wiped clean of protective glass, and in temperature,
Thermostatic hold-time is 10s~12s；Then anti-blue light film layer is wrapped on cold pressing roller, and the operating temperature of cold pressing roller is steady
It is scheduled on 30 DEG C~40 DEG C；Anti-blue light film layer is finally compressed on to the front of protective glass, extra anti-blue light film layer is cut off；
Antistatic layer: being equally compressed on the front of protective glass in identical condition by Q2, and extra antistatic layer is cut
It removes, i.e. anti-blue light film layer and antistatic layer compacting is completed.
5. a kind of production technology of capacitive touch screen according to claim 1, which is characterized in that the antistatic layer
It is the component made of two base membrane layers and antistatic glue, preparation method are as follows:
K1: the first wife of antistatic glue material being placed in super mixer and mix 10~20 minutes, revolving speed for 150~4500 turns/
Point, obtain antistatic glue；
K2: and then after carrying out sided corona treatment to two base membrane layers, antistatic glue is coated on the opposite face of two base membrane layers,
Then quickly by the fitting compacting of two base membrane layers, and with UV light source thermalization 30s, it can be prepared by antistatic layer；
The anti-blue light film layer is the component made of two base membrane layers and anti-blue light glue, preparation method are as follows:
G1: the first wife of anti-blue light glue material being placed in super mixer and mix 3~15 minutes, revolving speed for 150~4500 turns/
Point, obtain anti-blue light glue；
G2: and then clean out the surface of two base membrane layers, anti-blue light glue is coated in the opposite of two base membrane layers
On face, then quickly by the fitting compacting of two base membrane layers, and with UV light source thermalization 20s, anti-blue light film layer can be prepared by.
6. a kind of production technology of capacitive touch screen according to claim 5, which is characterized in that the antistatic glue
It is divided by mass percentage: polysulfur nitride class: 10~16%, ethoxylation oleyl amine: 20~30%, ethoxylated alkyl acid amide: 12
~20%, polyimides: 18.5~25%, monostearin: 8~12%；Polyacetylene: 6~10%, auxiliary agent: 0.3~0.6%；
The anti-blue light glue is divided by mass percentage: styrene: 12~18%, o-phenylenediamine: 7~12%, azo metal contaminates
Material: 20~35%, acetylacetone,2,4-pentanedione: 10~20%, porphyrins: 13~20%, acrylate: 8~15%, auxiliary agent: 0.3~
0.6%。
7. a kind of production technology of capacitive touch screen according to claim 6, which is characterized in that the auxiliary agent includes helping
Solvent, dispersing agent and swelling binder, wherein cosolvent is one of tetrafluoropropanol, p-aminobenzoic acid, acetamide, propyl acetate
Or several mixtures, dispersing agent are one or more of vinyl bis-stearamides, methyl anyl alcohol, polyethylene glycol mixture,
Swelling binder is glycerol ether oxygen propyl trimethoxy silicane, and the azo metal dye, structure is (A-N=N-B) 2M, wherein A
For phenyl ring, B is cyclohexene, and M is metal.
8. a kind of production technology of capacitive touch screen according to claim 1, which is characterized in that the anti-blue light film layer
With a thickness of 7~12um, the antistatic layer with a thickness of 13~18um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811605212.7A CN109710118A (en) | 2018-12-26 | 2018-12-26 | A kind of production technology of capacitive touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811605212.7A CN109710118A (en) | 2018-12-26 | 2018-12-26 | A kind of production technology of capacitive touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109710118A true CN109710118A (en) | 2019-05-03 |
Family
ID=66257761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811605212.7A Pending CN109710118A (en) | 2018-12-26 | 2018-12-26 | A kind of production technology of capacitive touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109710118A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150041303A1 (en) * | 2012-03-27 | 2015-02-12 | Shenzhen Baoming Technology Ltd. | Novel ito crossover integrated capacitive touch screen and manufacturing method thereof |
| CN104441880A (en) * | 2014-11-24 | 2015-03-25 | 苏州斯迪克新材料科技股份有限公司 | Blue-ray preventing and antistatic protecting film |
| CN105856759A (en) * | 2016-04-15 | 2016-08-17 | 东莞市睿泰涂布科技有限公司 | Anti-blue-light flexible-glass explosion-proof membrane and preparing technology thereof |
| CN206805508U (en) * | 2017-06-05 | 2017-12-26 | 温州海蓝工业设计有限公司 | A kind of mobile phone antistatic capacitive touch screen |
| CN207817241U (en) * | 2018-01-27 | 2018-09-04 | 东莞市合诚玻璃有限公司 | A kind of screen guarantor's glass of anti-blue light |
| CN108776562A (en) * | 2018-05-02 | 2018-11-09 | 江苏迪佳电子有限公司 | A kind of capacitance touch screen production method |
-
2018
- 2018-12-26 CN CN201811605212.7A patent/CN109710118A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150041303A1 (en) * | 2012-03-27 | 2015-02-12 | Shenzhen Baoming Technology Ltd. | Novel ito crossover integrated capacitive touch screen and manufacturing method thereof |
| CN104441880A (en) * | 2014-11-24 | 2015-03-25 | 苏州斯迪克新材料科技股份有限公司 | Blue-ray preventing and antistatic protecting film |
| CN105856759A (en) * | 2016-04-15 | 2016-08-17 | 东莞市睿泰涂布科技有限公司 | Anti-blue-light flexible-glass explosion-proof membrane and preparing technology thereof |
| CN206805508U (en) * | 2017-06-05 | 2017-12-26 | 温州海蓝工业设计有限公司 | A kind of mobile phone antistatic capacitive touch screen |
| CN207817241U (en) * | 2018-01-27 | 2018-09-04 | 东莞市合诚玻璃有限公司 | A kind of screen guarantor's glass of anti-blue light |
| CN108776562A (en) * | 2018-05-02 | 2018-11-09 | 江苏迪佳电子有限公司 | A kind of capacitance touch screen production method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101326452B (en) | Method for producing partition wall for color filter, substrate with partition wall for color filter, color filter for display element, and display device | |
| TWI534538B (en) | Negative photosensitive resin composition | |
| TW200401139A (en) | Liquid crystal display device and method of producing the same | |
| JP2011107266A (en) | Liquid crystal display device and method of manufacturing the same | |
| CN102436094B (en) | Liquid crystal display device and manufacturing method thereof | |
| ES2791478T3 (en) | Touch control display device having high resistance coating | |
| CN109445139A (en) | A kind of manufacturing process of novel liquid crystal display screen | |
| CN108776562B (en) | Production method of capacitive touch screen | |
| JP2014098927A (en) | Method for manufacturing spacer for liquid crystal display device, substrate for liquid crystal display device including spacer manufactured by the above method, and liquid crystal display device including the substrate | |
| CN104441880A (en) | Blue-ray preventing and antistatic protecting film | |
| CN109710118A (en) | A kind of production technology of capacitive touch screen | |
| TWI245165B (en) | Photosensitive siloxane resin composition and patterning method using it | |
| TW201022841A (en) | Photopolymer resin composition | |
| JP5604853B2 (en) | Paste and optical waveguide using the same | |
| CN104698653A (en) | LCD manufacturing method | |
| WO2020056627A1 (en) | High-concentration developing solution stock solution composition | |
| JP2005197669A (en) | Patterning method of thin film, method and device of manufacturing plate display elements | |
| CN108919617A (en) | A kind of TFT-LCD negativity developer solution | |
| CN105531626A (en) | Photosensitive light-shielding paste and process for producing laminated pattern for touch sensor | |
| JP4808567B2 (en) | Photosensitive composition and photosensitive transfer material using the same, light shielding film for display device and method for forming the same, black matrix, substrate with light shielding film, color filter, and display device | |
| CN101344722B (en) | Process for manufacturing colorful filtering substrates | |
| KR100325119B1 (en) | Method for fabricating color filter substrate | |
| CN104779178B (en) | Bottom anti-reflective layer forming method | |
| JP5041768B2 (en) | Light shielding film forming resin composition for display device and light shielding film forming transfer material using the same, light shielding film for display device and method for forming the same, black matrix, substrate with light shielding film, color filter, and display device | |
| CN110658697A (en) | Developing solution composition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190503 |