CN103853410A - Manufacturing process for functional sheet of OGS (One Glass Solution) touch screen - Google Patents

Abstract

The invention discloses a manufacturing process for a functional sheet of an OGS touch screen. The manufacturing process comprises reinforcing, printing and making of a structural component CG of the touch screen, film plating of a functional component sensor, formation of patterns and cracking into small pieces. Through the processes of deep reinforcement of integrated glass, high-temperature film plating, CNC (Computer Numerical Control) cutting and the like, the overall thickness of the TP is reduced on the premise of not changing the performance such as the strength and function of the touch screen, but the manufacturing process is simpler, the cost is lower and the investment is smaller than the conventional OGS manufacturing process. The manufacturing process has the characteristics of simple process, easiness in implementation and low cost.

Description

A kind of functional sheet manufacture craft of OGS touch-screen

Technical field

The present invention relates to a kind of functional sheet manufacture craft of OGS touch-screen.

Background technology

Taking the birth of apple iPhone mobile phone as mark, the climax that be applied in the whole world really entered development and consumption of capacitive touch screen on smart mobile phone.At present, no matter industry famous brand name, or mountain vallage guerrilla warfare, almost there is no the mobile phone producer capacitance touch screen mobile phone of releasing mutually style an array of stars out of question, luxurious high-end the apple iPhone, the S1 of Dopod etc. that have the operation of support multiple point touching, low side has the mountain vallage machine of the hand-written hundreds of of support unit also at exploitation capacitive touch screen.

The projected capacitive touch panel major technique that touch-screen industry is applied as demand with single-point or 2 touch-controls is divided into two kinds of diaphragm type (film type) and glass types (glass type), apple camp adopts glass projecting type capacitor (glass type), but not apple camp is taking film projecting type capacitor (film type PET) as main; At present the diaphragm type structure of main flow is by photoetching or be printed on PET film by ITO; outer be called GFF(Glass-Film for cover glass) structure; and the glass type structure of main flow system is made in touch sensing on ito glass, skin adds that a slice cover glass is is GG(Glass-Glass) structure.The former is limited to high-order ito thin film material and rests in minority Japanese trader hand, and the latter GG binding yield is generally on the low side, all causes the high main cause of projected capacitive touch-control module cost.

In order effectively to reduce touch-control module cost, meet the lightening market trend of terminal consumption electronic product simultaneously, nearly 2 years touch-control dealers actively set about research and development and reduce ito thin film or ito glass consumption, layout development OGS, embedded touch or GF thin film technique.OGS technology be by integrated to ito glass and cover glass become a sheet glass, not only can reduce by a sheet glass, also save the processing procedure of fitting together, approximately, compared with 0.4 millimeter of thickness of two-piece type G/G product attenuate, estimation can be saved approximately 5 one-tenth costs.

Summary of the invention

Its object of the present invention is just to provide a kind of functional sheet manufacture craft of OGS touch-screen, by integrating the techniques such as glass depth strengthening, high temperature plated film, CNC cutting, under the performance such as intensity, the function prerequisite that does not change touch-screen, the integral thickness of TP is lowered, but cost of manufacture is simpler and easy than traditional OGS processing procedure, cost is lower, drops into still less, has simple, the easy realization of technique, lower-cost feature.

The technical scheme that realizes above-mentioned purpose and take, step comprises

1) touch screen base material is chemical enhanced, reaches the intensity of small pieces cover plate strengthening demand, requirement of strength 130g*30cm falling sphere central point 3 times, hardness reach 6H and more than, strengthening degree of depth 10-12um, intensity 500-650MPa, surfacing, angularity management and control is 3 ‰;

2) high temperature sputter, the shadow layer IM that will disappear, crystallization ITO layer is plated in the clean glass surface of having strengthened successively, coating single side, ITO sheet resistance requires 80 Ω/-120 Ω/, ito glass transmittance >=90%;

3) typography OGS touch-screen, ito glass first manufacturing procedure is printing ITO conducting channel, single-point circuit or 2 dot circuits are designed according to the design specifications of drive IC, the ITO part of needs is stayed, unwanted partially-etched fall, the ITO region area >=0.6mm*5mm of contact pressing and lead portion; Second operation work is process black ink, and black ink does not require resistance to laser, and two road technological requirement black inks are reserved ITO aperture, for being connected with elargol line; San road technology utilization black conductive ink is ITO the conducting of vertical direction, and the color of black conductive ink and the ink of black approach, and do not produce obvious aberration; Si road is printed on high conductivity elargol on black ink, contacts completely with black conductive oil, and pressing position is worked it out with elargol; Wu road technique needs with laser etching machine the lead-in wire of elargol circuit by lead-in wire carve, and the glass of having carved is cleaned; Black being imprinted on above elargol in technique Jiang Er road, Liu road, windows pressing district, key zone to extend out 0.3-0.5mm and protect; The pros and cons of glass is protected with blueness protection ink;

4) open greatly OGS glass printing and complete, split small pieces operation, split small pieces adamas break bar, sliver is cleaved into positive rectangle, after splitting small pieces and completing, with carrying out edge grinding with the high rotating speed CNC of CCD, profile, perforate, notching construction are used respectively to cutter head CNC out, obtain OGS functional sheet.

Compared with prior art the present invention has the following advantages.

By integrating the techniques such as glass depth strengthening, high temperature plated film, CNC cutting, under the performance such as intensity, the function prerequisite that does not change touch-screen, the integral thickness of TP is lowered, but cost of manufacture is simpler and easy than traditional OGS processing procedure, cost is lower, drop into still less, there is simple, the easy realization of technique, lower-cost feature.

Brief description of the drawings

Below in conjunction with accompanying drawing, the invention will be further described .

Fig. 1 is process flow diagram of the present invention.

Embodiment

As shown in Figure 1, step comprises

1) touch screen base material is chemical enhanced, reaches the intensity of small pieces cover plate strengthening demand, requirement of strength 130g*30cm falling sphere central point 3 times, hardness reach 6H and more than, strengthening degree of depth 10-12um, intensity 500-650MPa, surfacing, angularity management and control is 3 ‰;

2) high temperature sputter, the shadow layer IM that will disappear, crystallization ITO layer is plated in the clean glass surface of having strengthened successively, coating single side, ITO sheet resistance requires 80 Ω/-120 Ω/, ito glass transmittance >=90%;

3) typography OGS touch-screen, ito glass first manufacturing procedure is printing ITO conducting channel, single-point circuit or 2 dot circuits are designed according to the design specifications of drive IC, the ITO part of needs is stayed, unwanted partially-etched fall, the ITO region area >=0.6mm*5mm of contact pressing and lead portion; Second operation work is process black ink, and black ink does not require resistance to laser, and two road technological requirement black inks are reserved ITO aperture, for being connected with elargol line; San road technology utilization black conductive ink is ITO the conducting of vertical direction, and the color of black conductive ink and the ink of black approach, and do not produce obvious aberration; Si road is printed on high conductivity elargol on black ink, contacts completely with black conductive oil, and pressing position is worked it out with elargol; Wu road technique needs with laser etching machine the lead-in wire of elargol circuit by lead-in wire carve, and the glass of having carved is cleaned; Black being imprinted on above elargol in technique Jiang Er road, Liu road, windows pressing district, key zone to extend out 0.3-0.5mm and protect; The pros and cons of glass is protected with blueness protection ink;

4) open greatly OGS glass printing and complete, split small pieces operation, split small pieces adamas break bar, sliver is cleaved into positive rectangle, after splitting small pieces and completing, with carrying out edge grinding with the high rotating speed CNC of CCD, profile, perforate, notching construction are used respectively to cutter head CNC out, obtain OGS functional sheet.

Embodiment

The present invention is low cost typography OGS touch-screen, and low cost typography OGS touch-screen comprises strengthening, the printing making of the structure member CG of touch-screen, comprises plated film, the graphic making of functional part sensor.The present invention has abandoned the sensor laminating of conventional condenser touch-screen double-decker (CG+sensor), reduces this link that touch-screen yield is had the greatest impact, and reduces costs.The present invention is different from gold-tinted OGS capacitance plate, expliciting the position of the present invention single-point and 2 touch-controls from visibly moved scheme, be absorbed in low and middle-end capacitance plate field.The present invention has reduced processing procedure number of times with respect to traditional gold-tinted OGS capacitive touch screen, normal gold-tinted one side multiple spot metal bridge formation OGS need to be through at least 6 road gold-tinted processing procedures, OGS of the present invention only needs minimum 3 road processing procedures, and minimizing is greatly bad because of processing procedure generation, reduces costs; Lightening and the safety problem that the present invention is directed to current OGS market demands has been done corresponding measure, stick on blow-out disc at OGS back, can, in increasing product safety, desalinate processing to the etching line that single-glass was difficult to avoid, appearance effect is had to larger improvement.The present invention does not do resistance to laser requirement for the material of ink, and ink cost savings are more than 80%, and the present invention is applied to the electronic product capacitive touch screen of the demand such as mobile phone, MID single-point or 2 touch-controls.

As shown in Figure 1, the base material of touch-screen is chemical enhanced through the degree of depth, reaches the intensity of small pieces cover plate strengthening demand, this OGS touch-screen is direct contact type, without carrying strengthening cover plate, intensity need be accomplished as far as possible to 3 specifications of 130g*30cm falling sphere central point, to ensure the intensity of OGS touch-screen, skin hardness reach 6H and more than, strengthen scratch resistance ability, strengthening degree of depth 10-12um, intensity 500-650MPa, surfacing, angularity management and control is 3 ‰.

Adopt high temperature sputtering process, the shadow layer (IM) that will disappear, crystallization ITO layer is plated in the clean glass surface of having strengthened successively, coating single side, ITO sheet resistance requires 80 Ω/-120 Ω/, ito glass transmittance >=90%.

Ito glass first manufacturing procedure is printing ITO conducting channel, single-point circuit or 2 dot circuits are designed according to the design specifications of drive IC, the ITO part that we are needed stays, unwanted partially-etched fall, the ITO region area of contact pressing and lead portion does larger, conventionally >=0.6mm*5mm; Second operation work is process black ink, this black ink does not require resistance to laser, than the every KG cost of the black ink of the resistance to laser RMB7000 unit of individual layer multipoint mode OGS, divide every pcs touch-screen and approximately save cost RMB0.5-1.0 unit, considerable in low-end market field; Two road technological requirement black inks are reserved ITO aperture, for being connected with elargol line; San road technology utilization black conductive ink is ITO the conducting of vertical direction, requires the color of black conductive ink and the ink of black to approach, and does not produce obvious aberration; Si road is printed on high conductivity elargol on black ink, contacts completely with black conductive oil, and pressing position is worked it out with elargol; Wu road technique is the circuit that we need by lead-in wire carve of laser etching machine for the lead-in wire of elargol, and the glass of having carved is cleaned; Technique Jiang Er road, Liu road black (ink is identical with the black ink of first) is imprinted on above elargol, and by pressing district, window and extend out 0.3-0.5mm and protect in key zone etc.; Complete after above step, then protect ink that the pros and cons of glass is all protected by blueness, prevent from scratching glass surface.

A large OGS glass printing completes above-mentioned processing procedure, splits small pieces operation, splits small pieces adamas break bar, and sliver is cleaved into positive rectangle, does not do special-shaped sliver; After splitting small pieces and completing, with carrying out edge grinding with the high rotating speed CNC of CCD, the structures such as profile, perforate, fluting are used respectively to special cutter head CNC out, obtain OGS functional sheet.

Described:

OGS is monolithic capacitive touch screen;

CG is strengthening cover-plate glass;

Sensor is functional sheet;

CNC is numerically-controlled machine;

TP is touch-screen;

IM is the shadow layer that disappears;

ITO is indium oxide selenium coating;

CCD is automatic capturing magnifier;

Film Type is membrane structure;

Glass Type is glass structure;

PET is acrylic material;

MID is panel computer.

Claims (1)

1. a functional sheet manufacture craft for OGS touch-screen, is characterized in that, step comprises

1) touch screen base material is chemical enhanced, reaches the intensity of small pieces cover plate strengthening demand, requirement of strength 130g*30cm falling sphere central point 3 times, hardness reach 6H and more than, strengthening degree of depth 10-12um: intensity 500-650MPa, surfacing, angularity management and control is 3 ‰;

2) high temperature sputter, the shadow layer IM that will disappear, crystallization ITO layer is plated in the clean glass surface of having strengthened successively, coating single side, ITO sheet resistance requires 80 Ω/-120 Ω/, ito glass transmittance >=90%;

3) typography OGS touch-screen, ito glass first manufacturing procedure is printing ITO conducting channel, single-point circuit or 2 dot circuits are designed according to the design specifications of drive IC, the ITO part of needs is stayed, unwanted partially-etched fall, the ITO region area >=0.6mm*5mm of contact pressing and lead portion; Second operation work is process black ink, and black ink does not require resistance to laser, and two road technological requirement black inks are reserved ITO aperture, for being connected with elargol line; San road technology utilization black conductive ink is ITO the conducting of vertical direction, and the color of black conductive ink and the ink of black approach, and do not produce obvious aberration; Si road is printed on high conductivity elargol on black ink, contacts completely with black conductive oil, and pressing position is worked it out with elargol; Wu road technique needs with laser etching machine the lead-in wire of elargol circuit by lead-in wire carve, and the glass of having carved is cleaned; Black being imprinted on above elargol in technique Jiang Er road, Liu road, windows pressing district, key zone to extend out 0.3-0.5mm and protect; The pros and cons of glass is protected with blueness protection ink;

4) open greatly OGS glass printing and complete, split small pieces operation, split small pieces adamas break bar, sliver is cleaved into positive rectangle, after splitting small pieces and completing, with carrying out edge grinding with the high rotating speed CNC of CCD, profile, perforate, notching construction are used respectively to cutter head CNC out, obtain OGS functional sheet.