CN1148640C - Touch-type glass screen - Google Patents
Touch-type glass screen Download PDFInfo
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- CN1148640C CN1148640C CNB01139482XA CN01139482A CN1148640C CN 1148640 C CN1148640 C CN 1148640C CN B01139482X A CNB01139482X A CN B01139482XA CN 01139482 A CN01139482 A CN 01139482A CN 1148640 C CN1148640 C CN 1148640C
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- touch
- type glass
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- recording
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- 239000011521 glass Substances 0.000 title claims abstract description 101
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 239000000853 adhesive Substances 0.000 claims abstract 2
- 230000001070 adhesive effect Effects 0.000 claims abstract 2
- 229910052709 silver Inorganic materials 0.000 claims description 22
- 239000004332 silver Substances 0.000 claims description 22
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 18
- 238000000576 coating method Methods 0.000 claims description 18
- 238000010521 absorption reaction Methods 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 12
- 239000008393 encapsulating agent Substances 0.000 claims description 11
- 239000003365 glass fiber Substances 0.000 claims description 11
- 239000005361 soda-lime glass Substances 0.000 claims description 7
- 238000002834 transmittance Methods 0.000 claims description 7
- 239000004593 Epoxy Substances 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 238000007747 plating Methods 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 claims description 4
- 238000003848 UV Light-Curing Methods 0.000 claims description 4
- 239000005297 pyrex Substances 0.000 claims description 4
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 3
- 150000003378 silver Chemical class 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 239000010419 fine particle Substances 0.000 abstract description 2
- 238000007639 printing Methods 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 230000004087 circulation Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
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- 238000002156 mixing Methods 0.000 description 2
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- 238000012797 qualification Methods 0.000 description 2
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- 239000010409 thin film Substances 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 2
- 241000150100 Margo Species 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- NICDRCVJGXLKSF-UHFFFAOYSA-N nitric acid;trihydrochloride Chemical compound Cl.Cl.Cl.O[N+]([O-])=O NICDRCVJGXLKSF-UHFFFAOYSA-N 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
- B32B2457/208—Touch screens
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Abstract
This invention provides a novel glass touch panel of extremely excellent in high temperature and high humidity proof, having an upper transparent glass substrate 1a and a lower transparent glass substrate 1b bonded to each other by an adhesive, hygroscopic fine particles mixed thereto.
Description
Technical field that the present invention belongs to
The present invention relates to touch-type glass screen.More detailed theory, the invention relates in various displays such as car steering guiding usefulness, video camera usefulness, display monitor central monitoring system useful, compare with existing touch-type glass screen and to have extremely good high-temp resisting high-humidity resisting, have the glass glass mode new glass touch-screen of narrow margo frontalis advantage simultaneously concurrently.
Prior art
In the prior art, in various displays such as CRT (cathode-ray tube (CRT)) demonstration, usually adopt the touch-screen that to import with finger or penholder pushing.
About this touch-screen.Carried out various trickle researchs, improvement so far, but this basically structure still disposes transparent resin substrate on glass substrate, establish conducting film at it on both opposite faces.In addition, in this structure, suitable configuration space layer between glass substrate and resin substrate.
But, in existing touch-screen, some such shortcomings are arranged: permanance, environment resistant, abrasion resistance is not enough, is subject to hurt, can not satisfy the vividness of picture in addition, picture fades etc. through producing behind the certain hour.
Therefore, just propose to realize replacing the touch-type glass screen (with reference to Japanese kokai publication hei 9-146707 number) that premium properties constitutes that has of existing touch-screen.This touch-type glass screen, as shown in Figure 1, be a kind ofly set nesa coating (2a), a pair of transparency carrier (1a) of (2b) respectively, (1b) disposes relatively with its electrically conducting transparent face, it is characterized in that the upper transparent substrate (1a) of bottom transparency carrier (1b) and conduct contact input part all is a glass substrate; Have permanance, environment resistant, abrasion resistance is good, picture beauty, advantage such as difficult generation is faded and irregular colour is even.In Fig. 1, (4) are contours, and (5) are engagement devices, and (7) are existing silver electrodes.
But,, the improved place of wanting is arranged also in the practicality even in having the existing touch-type glass screen of good characteristic like this.That is exactly a high-temp resisting high-humidity resisting.Such as, under the situation that is used for vehicle-mounted driving guided displays such as automobile,,, require it to have high as far as possible high-temp resisting high-humidity resisting for as above-mentioned touch-type glass screen owing to often become humid tropical condition in the car, its improvement has become the task of top priority.
Goal of the invention
The present invention promptly supervises in the above-mentioned fact and makes, its purpose is to provide permanance, environment resistant, abrasion resistance etc. good, the picture grace, difficult generation is faded and the uneven good characteristic of picture, and compare the new glass touch-screen that high-temp resisting high-humidity resisting is extremely good with existing touch-type glass screen.
Technical scheme
The touch-type glass screen (claim 1) of the above-mentioned problem of solution proposed by the invention is that a pair of transparency carrier that has set nesa coating is provided with relatively with its electrically conducting transparent face, the bottom transparency carrier with all be the touch-type glass screen of glass substrate as the upper transparent substrate that contacts input part, it is characterized in that the top glass transparency carrier is bonding to have mixed the atomic cementing agent of moisture absorption with the bottom glass transparency carrier.
In addition, the present invention also provides the invention of following form in above-mentioned touch-type glass screen.
The touch-type glass screen of being invented, moisture absorption particulate diameter is below 50 μ m (claim 2), the moisture absorption particulate is sneaked into cementing agent (claim 3) with the ratio of weight ratio below 10%, install silver electrode in nesa coating periphery predetermined bits, in this silver electrode, sneak into glass fibre (claim 4), glass fibre is sneaked into silver electrode (claim 5) with the ratio of weight ratio below 10%, and silver electrode has been used than resistance 5.0 * 10
-4The silver slurry (claim 6) that Ω cm is following, it is that encapsulant or UV curing type propylene are encapsulant (claim 7) that cementing agent becomes thermohardening type or normal temperature cured type epoxy, transmittance is more than 85% (claim 8), operating temperature is 30-65 ℃ (claim 9) under the condition below the 90%RH (relative temperature), storage temperature under the following condition of 95%RH is-40-85 ℃ (claim 10), by front end R4mm, diameter phi 8mm, action load when the coupon pushing top glass transparency carrier instrument that hardness is 60 ° becomes to lead the energy state is 10-200g (claim 11), on the electrically conducting transparent face of bottom glass transparency carrier, set diameter 20-100 μ m with the 2-4mm spacing, the thermohardening type resin manufacture fine particles point of high 3-6 μ m is (claim 12) at interval, the top glass transparency carrier is made of pyrex or the soda-lime glass of thick 0.15-0.3mm, the bottom glass transparency carrier constitutes (claim 13) by the soda-lime glass of thick 0.5-3.0mm, set nesa coating (claim 14) by cathode vacuum spraying plating and CVD with the arbitrary shape evaporation, specified (electric current) is below the 50mA under the DC5V situation, at insulation resistance under the DC25V situation in being more than the 10M Ω between upper/lower electrode, rectilinearity is below ± 3.5%, to point common method of operating knock-on is below the 10ms, electrostatic withstand voltage is more than the 15KV, dynamic range lower limit 0-0.7V, upper limit 5-4.6V, substrate size are 2-20 inch (claim 15,16,17,18,19,20).
Brief Description Of Drawings
Fig. 1 is the sectional view of the existing touch-type glass screen of example;
Fig. 2 illustrates the routine sectional view of one of touch-type glass screen of the present invention;
Fig. 3 is another routine sectional view that touch-type glass screen of the present invention is shown;
The invention example
[cementing agent that the moisture absorption particulate cooperates]
Touch-type glass screen of the present invention is that the touch-screen by above-mentioned glass glass mode constitutes, and as Fig. 2 and shown in Figure 3, compares with existing touch-type glass screen, and top glass transparency carrier (1a) is different with the joint method of bottom glass transparency carrier (1b).
More more specifically, at first in any example of Fig. 2 and Fig. 3, have the substrate of glass transparent up and down (1a) that is setting ELD (2a), (2b) respectively, the formation that (1b) disposes relatively.Under Fig. 3 situation, and then on the nesa coating (2b) of bottom glass transparency carrier (1b), be provided with ultrafine dust point (3) at interval.Nesa coating (2a), (2b) also can be configured with suitable prescribed form pattern.
In the present invention, top glass transparency carrier (1a) and bottom glass transparency carrier (1b) are fitted fixing by the cementing agent (6) that the moisture absorption particulate mixes.
Therefore, because the moisture absorption particulate in the cementing agent (6) can absorb moisture effectively,, also can realize the moisture-proof better than prior art even at the excessive temperature state.As previously mentioned, this height of anti-the high humidity is moist, and it is extremely important using under many wet conditions.Touch-type glass screen proposed by the invention is such as the display that can be applicable to the car steering guiding that automobile is waited for bus interior better.
As the moisture absorption particulate that is mixed into cementing agent (6), even in cementing agent (6), also can give full play to moisture-absorption characteristics, such as available silica-based particulate etc. with moisture-absorption characteristics.In addition, about the atomic size of moisture absorption of this silica-based particulate etc., at the bonding characteristic of guaranteeing cementing agent (6) simultaneously, realize that as far as possible the height of anti-the high humidity is moist, other do not have any special qualification; But from bonding characteristic and the more effective viewpoint that has both of high-temp resisting high-humidity resisting, such as wishing diameter below 50 μ m, better diameter is 5-50 μ m, and preferably diameter is 5-10 μ m.About combined amount, relevant with diameter dimension certainly, desirable bonding characteristic and high-temp resisting high-humidity resisting are had both, other do not have any special qualification; But from the more efficiently viewpoint that has both, such as preferably being mixed into the ratio of weight ratio below 10%, and the ratio of weight ratio below 5% is better.
[silver electrode that cooperates glass fibre]
In touch-type glass screen of the present invention, as Fig. 2 and shown in Figure 3, also the periphery predetermined bits at upper transparent conducting film (2a) and bottom nesa coating (2b) installs silver electrode (7), as this silver electrode (7), preferably uses the material that is mixed into glass fibre.
Therefore, owing to can guarantee the gap between upper transparent conducting film (2a) and the bottom nesa coating (2b) more, can realize better flatness, and the more effective picture that prevents of comparable existing touch-type glass screen is out of shape the irregular and generation interference fringe with image quality.
The combined amount of glass fibre, from further effectively realizing the viewpoint of flatness, such as with the ratio of weight ratio below 10% for well; In addition, in the silver electrode of having sneaked into glass fibre (7), preferably use than resistance 5.0 * 10
-4The silver slurry that Ω cm is following.
[Performance Characteristics of touch-type glass screen]
In such as touch-type glass screen of the present invention, it is characterized in that having following desired Performance Characteristics with above-mentioned Fig. 2 and example formation shown in Figure 3.
At first most importantly, transmittance is extremely good.That is, transmittance better is 90% more than 85%.Just can realize beautiful picture by high like this transmittance.
Next is an operating temperature, better is to be-300-65 ℃ under the condition below the 90%RH, and storage temperature is under the situation of condition with dewfall not, preferably under the condition of 95%RH is-40-85 ℃ (12 hours).Moisture-proof, being preferably under the 60 ℃-95%RH condition is clear 1000 hours.In addition, though thermotolerance be under 85 ℃, low temperature resistance is all to be clearly under-30 ℃.
As looking at mechanical property again, as general standard, the action load when pressing against top glass transparency carrier (1a) and go up switch and become conducting state with the test bar of 60 ° of front end R4mm, diameter phi 8mm hardness is 10-200g.Skin hardness is not 5-7 than hardness.
About heat cycles as durability index, be in temperature for after placing 1 hour in-30 ℃ the environment, placed at normal temperatures 0.5 hour, be placement after 1 hour in+85 ℃ the environment in temperature again, placing 0.5 hour at normal temperatures is 1 circulation, with move 200 be target more than the circulation.
In addition, prevent to produce interference fringe, also can inject the returning of back glass (so-called knock-on) and become and try every possible means on level and smooth making simultaneously by inert gas injecting or air before sealing.Also can be suitable for the load management of purposes besides by mensuration action loads such as tensiometers.In this case, the common method of operating of carrying out with finger such as knock-on is preferably below 10 milliseconds.
From the viewpoint that material constitutes, at first, about top glass transparency carrier (1a), for example can enumerating, thickness is Pyrex or the soda-lime glass of 0.15-0.3mm.Secondly, such as the top glass transparency carrier (1a) that constitutes by Pyrex, be to be target with the rerum natura that has as following table 1.
[table 1]
Thermal expansivity (0-300 ℃) 70-80 * 10
-7/ ℃
Young modulus 7-8 * 10
3Kg/mm
2
Poisson ratio 0.20-0.24
Knoop hardness 590-615KHN100
Density 2.30-2.85
Distortional point 480-520 ℃
Annealing point 528-580 ℃
Softening point 700-750 ℃
Specific insulation 8-10logp Ω cm
Capacitance characteristic (1MHz20)
Permittivity 6-8
Loss rate 0.2-0.6
Refractive index 1.5-1.54
Such glass can utilize commercially available product.In addition about bottom glass transparency carrier (1b), example the soda-lime glass of thickness 0.5-0.3mm.Also have, about being equipped on the nesa coating of these glass, example such as the film of ITO, tin oxide etc., the material that particularly forms by cathode vacuum spraying plating and CVD (chemical vapour deposition).Also can be at evaporation SiO
2Deng above ITO on the evaporation again.Such evaporation all is good method on the fitting tightly property of film and homogeneity.
In addition, as shown in Figure 3, under the situation that is provided with ultrafine dust point spacer portion (3), preferably get its diameter and be 20-100 μ m, highly (=thick) be 3-6 μ m, dot spacing 2-4mm, and form by the thermohardening type resin.
As the electrical specification of touch-screen, can be with following table 2 as general standard.
[table 2]
Below the load current value DC5V 50mA
Insulation resistance DC25V 10M Ω above (between upper/lower electrode)
Rectilinearity ± below 3.5%
Knock-on 10ms following (finger is operation usually)
More than the electrostatic withstand voltage 15KV
Dynamic range lower limit 0-0.7V, upper limit 5-4.6V
[touch-type glass screen method for making]
At this method for making about the touch-type glass screen of the invention described above is described.Such as formation about Fig. 3, can by 1. following-6. operation is made.
1. nesa coating (2a), (2b) formation (straight empty spraying plating of negative electrode and CVD) on glass transparent substrate (1a), (1b) such as ITO
2. the figure of nesa coating (2a), (2b) forms (figure that protective seam ink printing, nesa coating burn into are peeled off or formed by photo-mask process)
3. ultrafine dust point at interval (3) form (protective seam ink printing, heat curing or form by photo-mask process)
4. the formation of silver electrode (7) (glass fibre blending, silver slurry print, burn till)
5. the printing of cementing agent (6) (vacation after the atomic blending of moisture absorption, printing, the printing is burnt till or the UV irradiation)
6. glass transparent substrate (1a) (1b) is fitted mutually
The touch-type glass screen of the present invention that provides by above production process has following characteristic, owing to have good high-temp resisting high-humidity resisting by allocating the atomic cementing agent of moisture absorption (6) into as aforesaid; And the good flatness of tool because the silver electrode (7) of allocating glass fibre into is arranged, thereby do not have the distortion of picture and the inequality of image quality does not only produce interference fringe, and picture fade with variation after long-time also seldom.
Even allocating the atomic cementing agent of moisture absorption (6) into, preferably to use the epoxy of thermohardening type or normal temperature cured type be that encapsulant or UV curing type propylene are encapsulant.Under the situation that is thermohardening type, vacation is burnt till; Under UV curing type situation, must carry out the UV irradiation.The moisture absorption particulate as previously mentioned, also can be a bonding characteristic of fully keeping these encapsulants, and the material of performance can bring into play high-temp resisting high-humidity resisting in encapsulant the time.
Certainly, about the touch-type glass screen that Fig. 2 constitutes, also can remove above-mentioned operation 3. outside, 1. 2. 4. 5. 6. make by operation, and can realize good high-temp resisting high-humidity resisting and flatness.
Here the invention of Ti Chuing has feature as above, and the following accompanying drawing of borrowing illustrates embodiment, is described in more detail example of the present invention.
Embodiment
But the touch-type glass screen that constitutes that has example shown in Figure 3 by following 1.-6. operation actual fabrication.And its key dimension is as follows.
Top glass transparency carrier (1a): thick 0.2mm
Bottom glass transparency carrier (1b): thick 1.1mm
Physical dimension: 140 * 85mm
Actuating range size: 130 * 59mm
1. ito thin film forms
At first, as the film substrate, be used as top glass transparency carrier (1a) with commercially available borosilicic acid clear glass, be used as bottom glass transparency carrier (1b) with soda-lime glass, form as nesa coating (2a) ito thin film (2b) by cathode vacuum spraying plating and CVD method, thickness 100-200 , resistance value 500 Ω/ (Ω/ represents the resistance value of unit area).
2. the ITO figure forms
Next form as the ITO figure and carry out following processing successively.
Carry out preceding cleaning by ultrasound wave,
Carry out the coating of protective seam printing ink by screen printing,
Burnt till in 120 ℃, 30 minutes,
Carry out nitrohydrochloric acid ITO corrosion,
Carry out the diaphragm ink detachment by alkali and handle,
Carry out afterwash by ultrasound wave.
3. the ultrafine dust point formation of (3) at interval
Next form at interval as ultrafine dust point and carry out following processing successively.
Carry out the coating of thermohardening type protective seam printing ink by the printing of metal mask method,
Burnt till (putting footpath 20 μ m, putting thick is 5 μ m, dot spacing 3mm) in 200 ℃, 60 minutes.
4. the formation of silver electrode (7)
Next carry out following processing successively as the formation of silver electrode.
Silver slurry printing (ratio of glass fibre with weight 1.2% stirred)
Burnt till in 180 ℃, about 60 minutes.
5. the thermohardening type epoxy is the printing of encapsulant (cementing agent (6))
Next be that following processing is carried out in the encapsulant printing successively as the thermohardening type epoxy.
The silica-based particulate of the diameter 10 μ m ratio with weight ratio 2.5% is stirred,
By the thermohardening type epoxy is that encapsulant seals printing,
Burnt till in 90 ℃, about 30 minutes.
6. fit
Carry out the applying of top glass transparency carrier (1a) and bottom glass transparency carrier (1b) at last by following order.
Fit (small quantity silver slurry is coated on the contact),
Install and solidify anchor clamps,
Burnt till in 150 ℃, about 90 minutes, slow cooling (annealing),
Cut off,
Inject air,
Seal (UV cementing agent).
Can obtain having the touch-type glass screen of the listed Performance Characteristics of following table 3 by above operation.
[table 3]
Type of drive: analog form
Wiring method: finger or penholder
Transmittance 85% (550nm)
Operating temperature-30-65 ℃ (90%RH is following)
Moisture-proof 1000 hours (60 ℃-95%RH)
Heat cycles 250 circulations (30 ℃ ,+85 ℃)
85 ℃ of thermotolerances
Action load 80g
Specified (electric current) 0.8mA (DC5V)
Insulation resistance 12M Ω (DC25V)
Rectilinearity ± 2.0%
Knock-on 8ms
In addition in order to compare, now (physical dimension and actuating range size and the invention described above measure-alike, 140 * 85mm and 130 * 59mm) performance, characteristic are shown in following table 4 by the existing touch-type glass screen of the operation made of recording and narrating among the flat 9-146707 of day open patent.
[table 4]
Type of drive: analog form
Wiring method: finger or penholder
Transmittance 85% (550nm)
Operating temperature-10-60 ℃ (90%RH is following)
Moisture-proof 140 hours (60 ℃-95%RH)
Heat cycles 15 circulations (30 ℃ ,+80 ℃)
83 ℃ of thermotolerances
Action load 100g
Specified (electric current) 0.8mA (DC5V)
Insulation resistance 12M Ω (DC25V)
Rectilinearity ± 3.0%
Bounce flash 8ms
From table 3 and table 4 as can be seen, touch-type glass screen of the present invention is compared with existing touch-type glass screen, and operating temperature, moisture-proof, heat cycles, thermotolerance all are better than existing touch-type glass screen greatly.That is, environmental resistance is significantly increased, and can realize being more suitable for the touch-type glass screen of environment inside car.In the car of certain not only automobile etc., also be suitable under the various hot and humid situations.The good situations of undistorted on picture and the image quality, no irregular, no interference fringe.
The invention effect
By above detailed description, by new touch-type glass screen provided by the present invention, its durability, All characteristics such as operability, design freedom and input precision are extremely good naturally, with existing The touch-type glass screen that has is compared, and has extremely good high-temp resisting high-humidity resisting, and good level and smooth The property.
Claims (17)
1. a touch-type glass screen is characterized in that, this touch-type glass screen, its a pair of transparency carrier that has set nesa coating is oppositely arranged with its electrically conducting transparent face, the bottom transparency carrier with all be glass substrate as the upper transparent substrate that contacts input part; Top glass transparency carrier and bottom glass transparency carrier are by having mixed the atomic adhesive bond of moisture absorption.
2. the touch-type glass screen of recording and narrating by claim 1 is characterized in that, moisture absorption particulate diameter is below 50 μ m.
3. by claim 1 or 2 touch-type glass screens of being recorded and narrated, it is characterized in that the moisture absorption particulate is sneaked into the ratio of weight ratio below 10%.
4. by claim 1 or 3 touch-type glass screens of being recorded and narrated, it is characterized in that, install silver electrode, in this silver electrode, sneak into glass fibre in the predetermined bits of nesa coating periphery.
5. the touch-type glass screen of recording and narrating by claim 4 is characterized in that, glass fibre is sneaked into the ratio of weight ratio below 10%.
6. by claim 4 or 5 touch-type glass screens of being recorded and narrated, it is characterized in that, in silver electrode, used than resistance 5 * 10
-4The silver slurry that Ω cm is following.
7. by each touch-type glass screen of recording and narrating among the claim 1-6, it is characterized in that cementing agent is that thermohardening type or normal temperature cured type epoxy are that encapsulant or UV curing type propylene are encapsulant.
8. by each touch-type glass screen of recording and narrating among the claim 1-7, it is characterized in that its light transmittance is more than 85%.
9. by each touch-type glass screen of recording and narrating among the claim 1-8, it is characterized in that, on the electrically conducting transparent face of bottom glass transparency carrier, setting the thermohardening type resin system ultrafine dust point spacer portion of diameter 20-100 μ m, high 3-6 μ m at interval with 2-4mm.
10. by each touch-type glass screen of recording and narrating among the claim 1-9, it is characterized in that the top glass transparency carrier is formed by Pyrex or the soda-lime glass of thickness 0.15-0.30mm; The bottom glass transparency carrier is formed by the soda-lime glass of thickness 0.5-3.0mm.
11., it is characterized in that nesa coating is set with the arbitrary shape evaporation by cathode vacuum spraying plating and CVD by each touch-type glass screen of recording and narrating among the claim 1-10.
12., it is characterized in that its specified (electric current) value is to be below the 50mA by each touch-type glass screen of recording and narrating among the claim 1-11 under the DC5V situation; Its insulation resistance is being more than the 10M Ω between upper/lower electrode under the DC25V situation.
13., it is characterized in that its rectilinearity is below ± 3.5% by each touch-type glass screen of recording and narrating among the claim 1-12.
14. by each touch-type glass screen of recording and narrating among the claim 1-13, it is characterized in that, its knock-on, under the common method of operating of being undertaken by finger below 10ms.
15., it is characterized in that its electrostatic withstand voltage is more than 15KV by each touch-type glass screen of recording and narrating among the claim 1-14.
16., it is characterized in that its dynamic range is limited to down 0-0.7V by each touch-type glass screen of recording and narrating among the claim 1-15, on be limited to 5-4.6V.
17., it is characterized in that substrate size is the 2-20 inch by each touch-type glass screen of recording and narrating among the claim 1-16.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP359678/2000 | 2000-11-27 | ||
| JP2000359678 | 2000-11-27 | ||
| JP2001318587 | 2001-10-16 | ||
| JP318587/2001 | 2001-10-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1356226A CN1356226A (en) | 2002-07-03 |
| CN1148640C true CN1148640C (en) | 2004-05-05 |
Family
ID=26604629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB01139482XA Expired - Lifetime CN1148640C (en) | 2000-11-27 | 2001-11-27 | Touch-type glass screen |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR100641749B1 (en) |
| CN (1) | CN1148640C (en) |
| TW (1) | TW548580B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7151532B2 (en) * | 2002-08-09 | 2006-12-19 | 3M Innovative Properties Company | Multifunctional multilayer optical film |
| JP4052287B2 (en) | 2004-06-22 | 2008-02-27 | セイコーエプソン株式会社 | Electro-optical device, electronic apparatus, and method of manufacturing electro-optical device |
| JP2006259815A (en) * | 2005-03-15 | 2006-09-28 | Matsushita Electric Ind Co Ltd | Touch panel |
| CN100380418C (en) * | 2005-06-09 | 2008-04-09 | 胜华科技股份有限公司 | Method for fabricating touch panel |
| JP4679272B2 (en) * | 2005-07-04 | 2011-04-27 | セントラル硝子株式会社 | Input / output integrated display device and protective glass plate |
| US8609201B2 (en) * | 2007-07-03 | 2013-12-17 | Tpk Touch Solutions Inc. | Infrared curing process for touch panel manufacturing |
| KR101558915B1 (en) | 2009-03-27 | 2015-10-13 | 삼성디스플레이 주식회사 | A touch screen module with a protector window |
| CN104849900A (en) * | 2015-06-03 | 2015-08-19 | 京东方科技集团股份有限公司 | Display panel, manufacturing method thereof and display device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1069352A (en) * | 1996-08-28 | 1998-03-10 | Fujimori Kogyo Kk | Transparent electrically conductive sheet for inner touch panel |
| JPH10330717A (en) * | 1997-05-27 | 1998-12-15 | Nippon Kayaku Co Ltd | Adhesive composition, substrate and liquid crystal panel |
| JP3946371B2 (en) * | 1999-01-12 | 2007-07-18 | 日本写真印刷株式会社 | Touch panel |
| JP4593721B2 (en) * | 1999-05-19 | 2010-12-08 | グンゼ株式会社 | Touch panel |
| JP4696280B2 (en) * | 1999-10-28 | 2011-06-08 | 綜研化学株式会社 | Moisture-resistant adhesive sheet and its use |
-
2001
- 2001-11-15 TW TW90128301A patent/TW548580B/en not_active IP Right Cessation
- 2001-11-27 KR KR20010074226A patent/KR100641749B1/en active IP Right Grant
- 2001-11-27 CN CNB01139482XA patent/CN1148640C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| TW548580B (en) | 2003-08-21 |
| CN1356226A (en) | 2002-07-03 |
| KR20020041317A (en) | 2002-06-01 |
| KR100641749B1 (en) | 2006-11-06 |
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Assignee: SMK Corp. Assignor: Ishiyama Toshiaki Contract record no.: 2011990000954 Denomination of invention: Resistance type glass-glass touch screen and manufacturing method thereof Granted publication date: 20040505 License type: Common License Open date: 20020703 Record date: 20110930 |
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