CN104699343A - G1-cell capacitive touch panel module and manufacturing method thereof - Google Patents
G1-cell capacitive touch panel module and manufacturing method thereof Download PDFInfo
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- CN104699343A CN104699343A CN201510141939.4A CN201510141939A CN104699343A CN 104699343 A CN104699343 A CN 104699343A CN 201510141939 A CN201510141939 A CN 201510141939A CN 104699343 A CN104699343 A CN 104699343A
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Abstract
The invention relates to a G1-cell capacitive touch panel module which comprises a cover plate and a liquid crystal display. A first electrode circuit is manufactured on the cover plate, a second electrode circuit of a touch sensor is manufactured on the upper surface or the lower surface of an upper polarizer of the liquid crystal display, one surface, where the first electrode circuit is manufactured, of the cover plate adhered to one surface, where the second electrode circuit is manufactured, of the upper polarizer or one surface without the second electrode circuit through an optical adhesive, the touch sensor further comprises an upper FPC (flexible printed circuit) and a lower FPC, the upper FPC is bonded on the cover plate and is electrically connected with the first electrode circuit, and the lower FPC is bonded on the upper polarizer and is electrically connected with the second electrode circuit. The invention further relates to a G1-cell capacitive touch panel module manufacturing method. The G1-cell capacitive touch panel module and the manufacturing method thereof have the advantages of high flexibility, high point reporting rate, high response, less proneness to noise signal interference and the like, and the function of deep integration of touch and display can be realized.
Description
Technical field
The invention belongs to touch-screen field, relate to a kind of G1-cell capacitive touch screen module and preparation method thereof.
Background technology
Touch-control and display depth are integrated and have been become a kind of large trend, this product structure mainly contains On-Cell type and In-Cell type at present, their common ground is incorporated in liquid crystal module by the touch function of external hanging type, to reducing the thickness effect of display device clearly.
But current On-Cell type and In-Cell type structure exist obvious shortcoming, touch electrode layer is away from touch form, near liquid crystal module drive electrode layer and power supply, touching signals is subject to the impact of driving circuit and power supply, shows that noise signal disturbing is obvious, high etc. to the performance requirement of IC.
Summary of the invention
For the deficiencies in the prior art, object of the present invention is intended to provide a kind of and has high sensitivity, a high report point rate, can respond fast and not by the G1-cell capacitive touch screen module of noise signal disturbing.
For achieving the above object, the present invention adopts following technical scheme:
A kind of G1-cell capacitive touch screen module, it comprises cover plate and liquid crystal display, described cover plate is manufactured with the first telegraph circuit of touch sensor, the upper surface of the upper polaroid of liquid crystal display or lower surface are manufactured with the second telegraph circuit of touch sensor, the one side that described cover plate is manufactured with the first telegraph circuit is manufactured with the one side of the second telegraph circuit with described upper polaroid or is not had the one side of making second telegraph circuit to be fitted by optical cement, described touch sensor also comprises FPC and lower FPC, described upper FPC binds on the cover board and is electrically connected with the first telegraph circuit, described lower FPC to be bundled on polaroid and to be electrically connected with the second telegraph circuit.
Preferably, described liquid crystal display also comprises the colored filter, liquid crystal cell, TFT glass, lower polaroid and the backlight that assemble successively from top to bottom, and upper polaroid is positioned at above colored filter.
Preferably, described cover plate is made up of the one in tempered glass, acrylic board and plastics.
The invention still further relates to a kind of method for making of G1-cell capacitive touch screen module, comprise the following steps:
Step 1, on the cover board make the first telegraph circuit of touch sensor;
Step 2, on the cover board bind the upper FPC of touch sensor, and described upper FPC and the first telegraph circuit are formed be electrically connected;
Step 3, make the second telegraph circuit of touch sensor at the upper surface of the upper polaroid of liquid crystal display or lower surface;
Step 4, on the upper polaroid of liquid crystal display, bind the lower FPC of touch sensor, and described lower FPC and the second telegraph circuit are formed be electrically connected;
Step 5, one side cover plate being manufactured with the first telegraph circuit are manufactured with the one side of the second telegraph circuit with described upper polaroid or are not had the one side of making second telegraph circuit to be fitted by optical cement.
Preferably, described step 1 specifically comprises following sub-step:
Step 11, on the cover board employing gold-tinted processing procedure make frame ink;
Step 12, on the cover board plating ito film layer;
Step 13, on ito film layer, apply photoresist, and carry out successively exposing, develop, etch, to obtain described first telegraph circuit;
Step 14, on the first telegraph circuit metal-coated membrane or print exposure silver, and utilize gold-tinted processing procedure to make the edge be connected with described first telegraph circuit to go between.
Preferably, step 12 specifically comprises the following steps: before plating ito film layer, on the cover board plate the silicon dioxide of 180-200 dust and the potpourri of niobium pentaoxide, then plate the ito film layer of 200-700 dust.
Preferably, described step 2 comprises following sub-step:
Adopt hot press by upper FPC binding on the cover board, wherein, the hot pressing pressure acting on the both sides of cover plate is 4.25 ± 0.5Kg, and the hot pressing pressure acting on the centre of cover plate is 2.75 ± 0.5kg, and it is 150-165 DEG C/12 ± 1S that temperature/time is held in hot pressing;
The edge of the first telegraph circuit lead-in wire is connected with upper FPC.
Preferably, described step 3 specifically comprises following sub-step:
Step 31, silicon dioxide at upper polaroid upper surface or lower surface plating 120-160 dust, and plate ito film layer on silica;
Step 32, on ito film layer, apply photoresist, and carry out successively exposing, develop, etch, to obtain described second telegraph circuit;
Step 33, on the second telegraph circuit metal-coated membrane or print exposure silver, and utilize gold-tinted processing procedure to make the edge be connected with described second telegraph circuit to go between.
Preferably, described step 4 comprises following sub-step:
Hot press is adopted to be bundled on upper polaroid by lower FPC, wherein, the hot pressing pressure acting on the both sides of polaroid is 4.25 ± 0.5Kg, and the hot pressing pressure acting on the centre of polaroid is 2.75 ± 0.5kg, and it is 150-165 DEG C/12 ± 1S that temperature/time is held in hot pressing;
The edge of the second telegraph circuit lead-in wire is connected with lower FPC.
Preferably, the thickness of photoresist is between 1.6-2.1 μm; Exposure is 100-120mj/cm
2; Developer solution adopt concentration be 0.4% NaOH or concentration be 0.7% potassium hydroxide; The thickness of the silver slurry coating that print exposure silver adopts is at 5-8 μm; Live width/the line-spacing of edge lead-in wire is at 10/10-200/200 μm.
Beneficial effect of the present invention is as follows: this G1-cell capacitive touch screen module has high sensitivity, high report point rate, can respond fast and not be subject to the performances such as noise signal disturbing; It also can realize the function of touch-control and display depth integration simultaneously.Method for making of the present invention is simple, by on the cover board making the first telegraph circuit of touch sensor, simultaneously at the upper surface of the upper polaroid of liquid crystal display or the second telegraph circuit of lower surface making touch sensor, and by connecting upper and lower FPC, the first telegraph circuit is connected with the second telegraph circuit, to realize an overall highly sensitive jamproof function.
Accompanying drawing explanation
Fig. 1 is the structural representation of the better embodiment of G1-cell capacitive touch screen module of the present invention.
Fig. 2 is the structural representation of G1-cell capacitive touch screen module cover plate of the present invention.
Fig. 3 is the structural representation of upper polaroid in G1-cell capacitive touch screen module of the present invention.
Fig. 4 is the STRUCTURE DECOMPOSITION figure of G1-cell capacitive touch screen module of the present invention.
Fig. 5 is the structural representation of another better embodiment of G1-cell capacitive touch screen module of the present invention.
Reference numeral: 10, cover plate; 20, the first telegraph circuit; 21, upper FPC; 30, optical cement; 40, the second telegraph circuit; 41, lower FPC; 50, upper polaroid; 60, colored filter; 70, liquid crystal cell; 80, TFT glass; 90, lower polaroid; 100, backlight.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described further:
Refer to Fig. 1 to Fig. 4, the present invention relates to a kind of G1-cell capacitive touch screen module, its better embodiment comprises cover plate 10 and liquid crystal display, cover plate 10 is manufactured with the first telegraph circuit 20 of touch sensor, the upper surface of the upper polaroid 50 of liquid crystal display is manufactured with the second telegraph circuit 40 of touch sensor, the one side that cover plate 10 is manufactured with the first telegraph circuit 20 is manufactured with the one side of the second telegraph circuit 40 with upper polaroid 50 or is not had the one side of making second telegraph circuit 40 to be fitted by optical cement 30, touch sensor also comprises FPC 21 and lower FPC 41, upper FPC 21 to be bundled on cover plate 10 and to be electrically connected with the first telegraph circuit 20, lower FPC 41 to be bundled on polaroid 50 and to be electrically connected with the second telegraph circuit 40.
Wherein, liquid crystal display can also comprise the colored filter 60, liquid crystal cell 70, TFT glass 80, lower polaroid 90 and the backlight 100 that assemble successively from top to bottom, and upper polaroid 50 is positioned at above colored filter 60.
Preferably, cover plate 10 can be made up of the one in tempered glass, acrylic board and plastics.Certainly, cover plate 10 can also select other material to make as required.
As shown in Figure 5, the place that another better embodiment in the present invention is different from above-mentioned better embodiment is, the lower surface of the upper polaroid 50 of liquid crystal display is manufactured with the second telegraph circuit 40 of touch sensor.These two kinds different structures can, for selecting according to actual needs, be convenient for people to carry out choice for use.
In addition, the electrode material of the first telegraph circuit and the second telegraph circuit can be the combination between the material such as ITO, nano-silver thread, Graphene, carbon nano-tube, carbon nanometer bud, metal mesh, PEDOT or these materials.Preferably, the electrode material selected in the present embodiment is ITO.
The invention still further relates to a kind of method for making of G1-cell capacitive touch screen module, it comprises the following steps:
Step S1, on the cover board make the first telegraph circuit of touch sensor.
Step S2, on the cover board bind the upper FPC of touch sensor, and FPC and the first telegraph circuit are formed be electrically connected.
Step S3, make the second telegraph circuit of touch sensor at the upper surface of the upper polaroid of liquid crystal display or lower surface.
Step S4, on the upper polaroid of liquid crystal display, bind the lower FPC of touch sensor, and lower FPC and the second telegraph circuit are formed be electrically connected.
Step S5, one side cover plate being manufactured with the first telegraph circuit are manufactured with the one side of the second telegraph circuit with upper polaroid or are not had the one side of making second telegraph circuit to be fitted by optical cement.This optical cement can be OCA, also can be OCR.Preferably, OCA can be adopted entirely to fit, OCA thickness can between 50-200um, and required roller pressure of wherein fitting can be 0.2 ± 0.5MPA, and wheel speeds can be 250 ± 50mm/s.Meanwhile, also need to connect upper and lower FPC, to make the first telegraph circuit and the second telegraph circuit be electrical connected, thus obtain novel touch screen module of the present invention.
Concrete, making the method that the first telegraph circuit uses can be open greatly OGS method for making, also can be granule TOL method for making.Preferably, the present embodiment selects a large OGS method for making, and namely above-mentioned steps S1 correspondingly can comprise following sub-step:
Step S11, on the cover board employing gold-tinted processing procedure make frame ink.Preferably, the thickness of ink is between 1-4um.
Step S12, on the cover board plating ito film layer.Preferably, before plating ito film layer, on the cover board can plate the silicon dioxide of 180-200 dust and the potpourri of niobium pentaoxide, then plate the ito film layer of 200-700 dust.The on the cover board potpourri of applying silicon oxide and niobium pentaoxide, can improve the quality of ito film layer.
Step S13, on ito film layer, apply photoresist, and carry out successively exposing, develop, etch, to obtain the first telegraph circuit.Wherein, preferably, the thickness of photoresist is between 1.6-2.1 μm; Exposure is 100-120mj/cm
2; Developer solution adopt concentration be 0.4% NaOH or concentration be 0.7% potassium hydroxide.
Step S14, on the first telegraph circuit metal-coated membrane or print exposure silver, and utilize gold-tinted processing procedure to make the edge be connected with the first telegraph circuit to go between (if telegraph circuit adopts is ITO material entirely, then can without this step).Concrete, the plating metal film such as CU, MOALMO, AG can be adopted and utilize gold-tinted processing procedure to make the edge is connected with the first telegraph circuit and go between, also can adopt print silver-colored starch or print exposure silver-colored and utilize gold-tinted processing procedure to make the edge be connected with the first telegraph circuit to go between.Preferably, can select to adopt print exposure silver and utilize gold-tinted processing procedure to make edge lead-in wire.More preferably, the thickness of the silver slurry coating that print exposure silver adopts is at 5-8 μm, and the live width/line-spacing of edge lead-in wire is at 10/10-200/200 μm.
Further, the large cover plate making the first telegraph circuit can be cut as required, namely cut into the cover plate shape that we need, make to facilitate follow-up technique.
Preferably, step S2 can also comprise following sub-step:
Adopt hot press by upper FPC binding on the cover board, wherein, the hot pressing pressure acting on the both sides of cover plate is 4.25 ± 0.5Kg, and the hot pressing pressure acting on the centre of cover plate is 2.75 ± 0.5kg, and it is 150-165 DEG C/12 ± 1S that temperature/time is held in hot pressing; The edge of the first telegraph circuit lead-in wire is connected with upper FPC.
Meanwhile, the making of the second telegraph circuit can be opened on polaroid large, also can on granule polaroid.Preferably, the present embodiment can be selected to make on a large polaroid.Therefore step S3 specifically can comprise following sub-step:
Step S31, silicon dioxide at upper polaroid upper surface or lower surface plating 120-160 dust, and plate ito film layer on silica.Most preferred, the thickness of silicon dioxide is 150 dusts, and applying silicon oxide layer can improve the quality of ito film layer.
Step S32, on ito film layer, apply photoresist, and carry out successively exposing, develop, etch, to obtain described second telegraph circuit.Wherein, preferably, the thickness of photoresist is between 1.6-2.1 μm; Exposure is 100-120mj/cm
2; Developer solution adopt concentration be 0.4% NaOH or concentration be 0.7% potassium hydroxide.
Step S33, on the second telegraph circuit metal-coated membrane or print exposure silver, and utilize gold-tinted processing procedure to make the edge be connected with described second telegraph circuit to go between (if telegraph circuit adopts is ITO material entirely, then can without this step).Concrete, the plating metal film such as CU, MOALMO, AG can be adopted and utilize gold-tinted processing procedure to make the edge is connected with the first telegraph circuit and go between, also can adopt print silver-colored starch or print exposure silver-colored and utilize gold-tinted processing procedure to make the edge be connected with the first telegraph circuit to go between.Preferably, can select to adopt print exposure silver and utilize gold-tinted processing procedure to make edge lead-in wire.More preferably, the thickness of the silver slurry coating that print exposure silver adopts is at 5-8 μm, and the live width/line-spacing of edge lead-in wire is at 10/10-200/200 μm.
Further, large the upper polaroid making the second telegraph circuit can be cut as required, namely cut into the shape of the upper polaroid that we need, bind with lower FPC after carrying out functional test.
Preferably, step S4 can also comprise following sub-step:
Hot press is adopted to be bundled on upper polaroid by lower FPC, wherein, the hot pressing pressure acting on the both sides of polaroid is 4.25 ± 0.5Kg, and the hot pressing pressure acting on the centre of polaroid is 2.75 ± 0.5kg, and it is 150-165 DEG C/12 ± 1S that temperature/time is held in hot pressing; The edge of the second telegraph circuit lead-in wire is connected with lower FPC.
Further, by upper polaroid, colored filter, liquid crystal cell, TFT glass, lower polaroid, the backlight assembling formation touch-control display module with the second telegraph circuit.
Further, by order from top to bottom, cover plate, the first telegraph circuit, upper FPC, optical cement, lower FPC, the second telegraph circuit, upper polaroid, colored filter, liquid crystal cell, TFT glass, lower polaroid and backlight are assembled into G1-cell capacitive touch screen module of the present invention successively, wherein, binding had the cover plate of upper FPC and binding to have the touch-control of lower FPC to show module to be fitted by optical cement, this optical cement can be OCA or OCR.According to actual needs, the position of cover plate, the first telegraph circuit, upper FPC, optical cement, the second telegraph circuit, lower FPC, upper polaroid, colored filter, liquid crystal cell, TFT glass, lower polaroid and backlight can certainly be adjusted.
For a person skilled in the art, according to technical scheme described above and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection domain of the claims in the present invention.
Claims (10)
1. a G1-cell capacitive touch screen module, it comprises cover plate and liquid crystal display, it is characterized in that, described cover plate is manufactured with the first telegraph circuit of touch sensor, the upper surface of the upper polaroid of liquid crystal display or lower surface are manufactured with the second telegraph circuit of touch sensor, the one side that described cover plate is manufactured with the first telegraph circuit is manufactured with the one side of the second telegraph circuit with described upper polaroid or is not had the one side of making second telegraph circuit to be fitted by optical cement, described touch sensor also comprises FPC and lower FPC, described upper FPC binds on the cover board and is electrically connected with the first telegraph circuit, described lower FPC to be bundled on polaroid and to be electrically connected with the second telegraph circuit.
2. G1-cell capacitive touch screen module as claimed in claim 1, it is characterized in that, described liquid crystal display also comprises the colored filter, liquid crystal cell, TFT glass, lower polaroid and the backlight that assemble successively from top to bottom, and upper polaroid is positioned at above colored filter.
3. G1-cell capacitive touch screen module as claimed in claim 1, it is characterized in that, described cover plate is made up of the one in tempered glass, acrylic board and plastics.
4. a method for making for G1-cell capacitive touch screen module, is characterized in that, comprises the following steps:
Step 1, on the cover board make the first telegraph circuit of touch sensor;
Step 2, on the cover board bind the upper FPC of touch sensor, and described upper FPC and the first telegraph circuit are formed be electrically connected;
Step 3, make the second telegraph circuit of touch sensor at the upper surface of the upper polaroid of liquid crystal display or lower surface;
Step 4, on the upper polaroid of liquid crystal display, bind the lower FPC of touch sensor, and described lower FPC and the second telegraph circuit are formed be electrically connected;
Step 5, one side cover plate being manufactured with the first telegraph circuit are manufactured with the one side of the second telegraph circuit with described upper polaroid or are not had the one side of making second telegraph circuit to be fitted by optical cement.
5. method for making as claimed in claim 4, it is characterized in that, described step 1 specifically comprises following sub-step:
Step 11, on the cover board employing gold-tinted processing procedure make frame ink;
Step 12, on the cover board plating ito film layer;
Step 13, on ito film layer, apply photoresist, and carry out successively exposing, develop, etch, to obtain described first telegraph circuit;
Step 14, on the first telegraph circuit metal-coated membrane or print exposure silver, and utilize gold-tinted processing procedure to make the edge be connected with described first telegraph circuit to go between.
6. method for making as claimed in claim 5, it is characterized in that, step 12 specifically comprises the following steps: before plating ito film layer, on the cover board plate the silicon dioxide of 180-200 dust and the potpourri of niobium pentaoxide, then plate the ito film layer of 200-700 dust.
7. method for making as claimed in claim 5, it is characterized in that, described step 2 comprises following sub-step:
Adopt hot press by upper FPC binding on the cover board, wherein, the hot pressing pressure acting on the both sides of cover plate is 4.25 ± 0.5Kg, and the hot pressing pressure acting on the centre of cover plate is 2.75 ± 0.5kg, and it is 150-165 DEG C/12 ± 1S that temperature/time is held in hot pressing;
The edge of the first telegraph circuit lead-in wire is connected with upper FPC.
8. method for making as claimed in claim 4, it is characterized in that, described step 3 specifically comprises following sub-step:
Step 31, silicon dioxide at upper polaroid upper surface or lower surface plating 120-160 dust, and plate ito film layer on silica;
Step 32, on ito film layer, apply photoresist, and carry out successively exposing, develop, etch, to obtain described second telegraph circuit;
Step 33, on the second telegraph circuit metal-coated membrane or print exposure silver, and utilize gold-tinted processing procedure to make the edge be connected with described second telegraph circuit to go between.
9. method for making as claimed in claim 8, it is characterized in that, described step 4 comprises following sub-step:
Hot press is adopted to be bundled on upper polaroid by lower FPC, wherein, the hot pressing pressure acting on the both sides of polaroid is 4.25 ± 0.5Kg, and the hot pressing pressure acting on the centre of polaroid is 2.75 ± 0.5kg, and it is 150-165 DEG C/12 ± 1S that temperature/time is held in hot pressing;
The edge of the second telegraph circuit lead-in wire is connected with lower FPC.
10. the method for making as described in claim 5 or 8, is characterized in that, the thickness of photoresist is between 1.6-2.1 μm; Exposure is 100-120mj/cm
2; Developer solution adopt concentration be 0.4% NaOH or concentration be 0.7% potassium hydroxide; The thickness of the silver slurry coating that print exposure silver adopts is at 5-8 μm; Live width/the line-spacing of edge lead-in wire is at 10/10-200/200 μm.
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| CN201510141939.4A CN104699343A (en) | 2015-03-27 | 2015-03-27 | G1-cell capacitive touch panel module and manufacturing method thereof |
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| CN201510141939.4A CN104699343A (en) | 2015-03-27 | 2015-03-27 | G1-cell capacitive touch panel module and manufacturing method thereof |
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Application publication date: 20150610 Assignee: Guangdong Toptouch Technology Co., Ltd. Assignor: Shenzhen Top-Touch Electronics Co., Ltd. Contract record no.: 2017440020021 Denomination of invention: G1-cell capacitive touch panel module and manufacturing method thereof License type: Common License Record date: 20170310 |
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Application publication date: 20150610 |