CN206301316U - Touch base plate and contactor control device - Google Patents
Touch base plate and contactor control device Download PDFInfo
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- CN206301316U CN206301316U CN201621098845.XU CN201621098845U CN206301316U CN 206301316 U CN206301316 U CN 206301316U CN 201621098845 U CN201621098845 U CN 201621098845U CN 206301316 U CN206301316 U CN 206301316U
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- base plate
- test block
- block
- touch
- test
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Abstract
The utility model provides a kind of touch base plate and contactor control device, and the touch base plate includes：The test block with different structure in the region outside its touch area, wherein, each test block in the test block with different structure includes distinguishing identical structure with the different structure in touch area.
Description
Technical field
Embodiment of the present utility model is related to technical field of touch control, and in particular to a kind of touch base plate disappear shadow detection method,
Touch base plate manufacture method, touch base plate and contactor control device.
Background technology
At present, capacitive touch screen has turned into very universal electronic product, and (One Glass Solution, single glass is touched OGS
Control) turn into one of which mainstream technology scheme.OGS refers to that ITO (indium tin are directly formed on the protective glass of touch screen
Oxide, tin indium oxide) conducting film and sensor a kind of technology.Have by leading to that ITO is formed in the viewing area of OGS touch screen
Road pattern, the visible level (being referred to as the shadow grade that disappears in technical term) of ITO channel patterns concerns the use feeling of user, because
The shadow grade that this needs disappears to it in the manufacturing process of touch screen is detected.The current shadow grade that disappears for OGS touch screen
Detection method is：When production is to small flake products, level is sentenced using visual detection.This kind of detection method has two drawbacks：1) can not be right
The shadow bad products that disappear in processing procedure are intercepted and improved in time, so as to cause unnecessary production loss；2) visual detection is sentenced
Level error is larger, it is impossible to carry out the shadow grade judgement that disappears exactly.Be there is also in other touch screen technologies such as On-cell
Similar problem.
It can be seen that, there is a need in the art for a kind of improved shadow detection technique side that disappears of the disadvantages mentioned above that can overcome prior art
Case.
Utility model content
In one aspect, there is provided a kind of touch base plate, including：In the region outside its touch area with not
Isostructural test block, wherein, each test block in the test block with different structure include with touch area
Different structure distinguishes identical structure.
In another aspect, there is provided a kind of contactor control device, it is included according to any one embodiment of the present utility model
Described touch base plate.
Technical scheme according to embodiment of the present utility model can be in the manufacturing process of touch base plate in time to touching
The shadow grade that disappears for controlling substrate is detected, shadow bad products are offseted in time is intercepted, it is to avoid unnecessary production loss；
Further, since the shadow detection that disappears can be carried out using optical test equipment, it is thus possible to more precisely carry out the shadow grade judgement that disappears；
Furthermore, in certain embodiments, because at least two test block can be formed while corresponding laminated construction is formed,
Extra processing step need not be increased, therefore be a kind of simple and low cost technical scheme.
Brief description of the drawings
Fig. 1 shows the inside touch-control viewing area of single OGS touch base plates；
Fig. 2 shows and disappeared shadow detection process according to a kind of touch base plate of embodiment of the present utility model；
Fig. 3 schematically shows the manufacturing process of touch base plate；
Fig. 4 shows the setting of at least two test blocks according to first kind embodiment of the present utility model；And
Fig. 5 shows the setting of at least two test blocks according to Equations of The Second Kind embodiment of the present utility model.
Specific embodiment
To make those skilled in the art more fully understand solution of the present utility model, below in conjunction with the accompanying drawings to this reality
Disappear shadow detection process, touch base plate and contactor control device of the touch base plate provided with new specific embodiment is made further in detail
Thin description.Obviously, the embodiment and various specific features therein of described and diagram are only to of the present utility model exemplary
Illustrate, rather than to limitation of the present utility model.Based on the exemplary illustration, those of ordinary skill in the art are without creating
Property work on the premise of the every other embodiment that is obtained and its specific features, belong to the scope of the utility model protection.
Referring now to Fig. 1, it illustrates the inside touch-control viewing area of single OGS touch base plates.As shown in fig. 1, it is described
Internal touch-control viewing area includes following three kinds different laminated construction regions：Region 1, region 2 and region 3.Wherein, area
Domain 1 may include that the ITO being made up of conductive ITO materials turns on block, and it is used as touch control electrode；Region 2 may include ITO etching lines,
It separates adjacent ITO conducting blocks；Region 3 is bridge point region, and it passes through metal or the bridge-like structure of ITO materials will be relative
Two ITO conducting block be connected.The reflectivity of 1,2, the 3 pairs of light in region has differences, if the reflection differences in these three regions
Different big, then disappear shadow rank difference.Because ITO etching lines are very narrow, generally only 30-300 μm, ITO bridges point typically also only has 100 μm,
Therefore it is difficult to test the shadow grade that disappears by optical test equipment, is judged by human eye mostly at present.
Referring now to Fig. 2, disappear shadow detection process it illustrates according to a kind of touch base plate of embodiment of the present utility model.Such as
Shown in Fig. 2, the process is comprised the following steps：
In step 201, tested using optical test equipment in the region being located at outside the touch area of touch base plate extremely
Few two differences of the light reflectivity of test block；
In step 202, the difference of the light reflectivity according at least two test block tested judges the touch-control
The shadow effect that disappears of substrate, wherein, each test block in the test block with different structure include with touch area
Different structure distinguishes identical structure.
That is, in the manufacturing process of touch base plate, being formed in the region outside the touch area of touch base plate
Dedicated for carrying out at least two test blocks of optic test, at least two test block has and corresponding lamination knot respectively
(here, identical laminated construction refers to that test block has lamination knot with laminated construction region to structure region identical laminated construction
Structure is identical or part identical laminated construction, alternatively referred to as same or analogous laminated construction), thus have respectively with it is right
The same or analogous light reflectivity in laminated construction region answered, and with being suitable for the size of optic test, in this manner it is possible to
Touching for touch base plate is estimated by using the difference of the light reflectivity of optical test equipment test at least two test block
The difference of the light reflectivity between different laminated construction regions in control region, in overcoming the touch area due to touch base plate
Different single laminated construction area size it is too small and be not suitable for directly testing its light reflectivity difference using optical test equipment
Shortcoming, such that it is able to judge the shadow grade that disappears exactly.Further, since at least two test block respectively have with it is corresponding
The same or analogous laminated construction in laminated construction region, therefore can be described folded being formed in the manufacturing process of touch base plate
At least two test block is formed while Rotating fields region (for example, by simply adding for forming described at least two
The mask pattern of individual test block), thus can facilitate and be cost effectively formed at least two test block, and can be in manufacture
During judge the shadow grade that disappears of product in time.
In certain embodiments, the touch base plate can be OGS panels.In other embodiments, the touch base plate
Can also be other kinds of touch base plate, such as On-cell touch base plates etc..
Fig. 3 schematically shows the manufacturing process of touch base plate.As shown in Figure 3, the manufacturing process includes following step
Suddenly：
In step 301, big plate charging；Hereafter, related processing step can be performed to big plate
In step 302, first film layer is formed in product visible area；Hereafter, other can be sequentially formed in product visible area
Film layer.
In step 303, last one film layer is formed in product visible area；
In step 304, after product visible area forms last one film layer, the shadow judgement that disappears of the present utility model is performed；
Hereafter, associated process steps known in the art can be performed to the big plate for being formed with film layer.
In step 305, big plate processing procedure terminates；
In step 306, big plate is cut；Hereafter, the small pieces that can be formed to cutting perform phase known in the art
Close processing step.
In step 307, small pieces processing procedure terminates.
That is, the manufacturing process of the touch base plate can be divided into two stages, big plate processing procedure and small pieces system are referred to as
Journey.In big plate processing procedure, if sequentially forming arterial highway film layer and its structure on the naked glass of bulk with appropriate size, for example according to
Secondary formation black matrix (BM) layer, ITO layer, insulating barrier, bridge point, protective layer etc., so as to form above-mentioned zone 1, region 2 and region 3.
As knowable to those skilled in the art, the formation of per pass film layer and its structure generally includes following steps：In base
Plated film on plate, coats photoresist, is exposed using mask pattern, using developing liquid developing, is etched using etching solution, makes
Remaining photoresist etc. is removed with blocking solution.
In small pieces processing procedure, big plate is cut into small pieces (can be described as unit panel), edging, and is bound, so that shape
Into monolithic touch base plate.
The touch base plate of the present utility model shadow detection process that disappears can have two class embodiments.In first kind embodiment,
At least two test block is formed in the neighboring area of unit panel.And in Equations of The Second Kind embodiment, in the sky of the big plate
White region forms at least two test block.It should be noted that in any one embodiment, at least two test block
All it is to be formed in big plate processing procedure, and addition can be passed through for described by while corresponding film layer and its structure is formed
The mask pattern of at least two test blocks and formed.In this manner it is possible in big plate processing procedure, specifically, can be visual in product
Last one film layer in area is formed after (so as at least two test blocks are also formed), is reflected by least two test blocks
Rate tests to judge the shadow effect that disappears of product, so that the product of the shadow effect difference that disappears is found and intercepted in time, without as traditional
In the shadow detection method that disappears like that, the shadow effect that disappears of product is judged by human eye after small pieces processing procedure terminates, it is unnecessary so as to cause
Production loss.
First kind embodiment
Fig. 4 shows the setting of at least two test blocks according to first kind embodiment of the present utility model.Such as institute in Fig. 4
Show, at least two test block may be provided at the neighboring area of single touch base plate, specifically may be provided at the neighboring area
BM layers on.
In certain embodiments, block 1, block 2 and block 3 be may include at least two test block.Wherein, block 1 can be
The same above-mentioned zone 1 formed on the BM layers is the same or the laminated construction that is similar to, for example, may include ITO layer and protective layer.Block 2 can be with
It is laminated construction the same above-mentioned zone 2 formed on BM layers or similar, for example, can only includes protective layer.Block 3 can be
The same above-mentioned zone 3 formed on the BM layers is the same or the laminated construction that is similar to, for example, may include insulating barrier and bridge, and the bridge is for example
It is metal bridge or ITO bridges.
In some other embodiment, at least two test block can also only include block 1 and block 2.
At least two test block could be arranged to any identical or different shape, be such as set to rectangle, square,
Polygon, circle etc..May be sized to of at least two test block any is easy to optical instrument to measure and just
Size in the neighboring area for being contained in touch base plate.Because the hot spot of optical device is generally 1mm or so, for the ease of light
Test is learned, the most short side of at least two test block is long or diameter is usual>=1mm.
In certain embodiments, witness marker is also formed near at least two test block, for by the light
Learn test equipment and position at least two test block.The witness marker can be it is any be easy to optical test equipment position
Optical markers, for example, can be a cross.The witness marker can be distinguished by any can formation with background area
The method of optical design formed, for example can carry out the method shape such as plated film, etching by BM film layers or other film layers
Into.
In certain embodiments, at least two test block is for shape in the manufacturing process of the touch base plate
Increase pattern for forming at least two test block on into the mask of corresponding film layer and while corresponding film layer is formed
Formed.So, after corresponding film layer makes and finishes, test block is also formed.In this way, test block is just provided with and touches
The same or analogous film layer of corresponding film layer structural region in region is controlled, the light such that it is able to pass through to test at least two test blocks is anti-
The difference of rate is penetrated come the difference of the light reflectivity between the different film layer structure regions for obtaining touch area, to judge the shadow etc. that disappears
Level.And, this generation type of test block does not increase extra processing step, therefore is inexpensive.
For example, for block 1, during the formation ITO layer after BM layers can be formed in big plate processing procedure, with
The addition mask pattern corresponding with the size and location of block 1 outside the mask pattern of ITO structure of touch area is formed, this
Sample, through steps such as overexposure, development, etchings, will form the ITO layer of block 1 while the ITO structure of touch area is formed.
For block 2, because it corresponds to the region 2 including ITO etching lines, i.e., the region being etched corresponding to ITO layer, because
This can not do any specially treated during ITO layer, insulating barrier and bridge point is formed, and so, the laminated construction of block 2 will only
It is included in the layer protective layer on BM layers.For block 3, can in big plate processing procedure the insulating barrier of forming region 3 process
In, outside the mask pattern of the insulating barrier for forming region 3, addition corresponds to the position of block 3 and the mask pattern of size,
So, through steps such as overexposure, development, etchings, the insulating barrier of block 3 will outside the insulating barrier of forming region 3, be formed.This
Outward, can during the bridge point of forming region 3 in big plate processing procedure, the bridge point for forming region 3 mask pattern it
Outward, addition corresponds to the position of block 3 and the mask pattern of size, so, through steps such as overexposure, development, etchings, will be in shape
Into outside the bridge point in region 3, the bridge point layer of block 3 is formed.
(exist after at least two test block is formd in the neighboring area of unit panel in big plate processing procedure
After last one film layer of touch area is formed), it is possible to test at least two test block using optical test equipment
Different light reflectivities.Therefore, can be made described in the optical test equipment positioning at least by means of the witness marker first
Two test blocks, so as to capture and test the light reflectivity of at least two test block.The optical test equipment can be
Any optical test equipment with light reflectivity test function.
In this kind of embodiment, because at least two test block is formed in BM layers of the neighboring area of unit panel
On, and BM layers is lighttight, therefore, should be in face (the i.e. tool of glass substrate of touch base plate to the test of light reflectivity
Have the one side of film layer) carry out, without that should be carried out in the glass surface (i.e. the one side relative with face of glass substrate) of touch base plate.
Compared with the touch area of touch base plate, at least two test block is more BM layer, therefore its light reflection effect and works as touch-control
Light reflection effect after substrate is fitted entirely with LCD is close, therefore, it can by testing at least two test block
Light reflectivity fitted entirely with LCD accurately judging OGS panels after the shadow effect that disappears.
After the different light reflectivities of at least two test block are tested, it is possible to anti-by not shared the same light described in comparing
Penetrate rate to obtain the difference of the light reflectivity between at least two test blocks, so as to can determine whether the shadow effect that disappears of touch base plate.Example
Such as, the absolute value such as the difference of the reflectivity between fruit block 1 and block 2 is more than threshold value a, then can determine that the shadow effect that disappears is poor；Such as fruit block 1
Absolute value with the difference of the reflectivity between block 2 is less than threshold value b, then can determine that the shadow effect that disappears is good.Wherein, threshold value a, b is for can
With the value set according to the quality requirements of terminal client.
Further, it is also possible to further the difference according to the reflectivity between block 1 and block 3 judges the shadow effect that disappears.For example, such as
Difference of the absolute value of the difference of the reflectivity between fruit block 1 and block 2 more than the reflectivity between threshold value a, or block 1 and block 3
Order of magnitude threshold value c, then can determine that the shadow effect that disappears is poor.Absolute value such as the difference of the reflectivity between fruit block 1 and block 2 is small
The absolute value of the difference of the reflectivity between threshold value b, and block 1 and block 3 is less than threshold value d, then can determine that the shadow effect that disappears is good.
In certain embodiments, difference between the light reflectivity according between at least two test blocks judges to touch
The shadow effect that disappears for controlling substrate can be accomplished manually.In further embodiments, the light according between at least two test blocks
Difference between reflectivity can be automatically performed by processing equipment judging the shadow effect that disappears of touch base plate.
In certain embodiments, the neighboring area of some unit panel that can be only in big plate forms described at least two
Individual test block, all elemental areas in whole big plate are judged by testing the difference of light reflectivity of at least two test block
The shadow grade that disappears of plate.In further embodiments, it is also possible to the multiple unit panels (or even whole unit panels) in big plate
In the neighboring area of each unit panel form at least two test block, by testing at least two test block
The difference of light reflectivity judges the shadow grade that disappears of all unit panels in whole big plate, or to judge described at least two
The shadow grade that disappears of the unit panel where test block.
More than test at least two test blocks reflectivity and be compared so as to judge product disappear shadow effect the step of can
Carry out with before big plate processing procedure terminates, thus can in time find and intercept the product of the shadow effect difference that disappears, it is to avoid be unnecessary
Subsequent production process cost.
Equations of The Second Kind embodiment
Fig. 5 shows the setting of at least two test blocks according to Equations of The Second Kind embodiment of the present utility model.Such as institute in Fig. 5
Show, at least two test block may be provided at the white space of big plate.Such embodiment is suitable in the whole big plate of test
The shadow grade that disappears of all unit panels.
The white space of big plate is arranged on due at least two test block, and the white space of big plate does not have BM layers,
Therefore at least two test blocks reflectivity can be tested from the face and glass surface of big plate, and test out disappear shadow effect and
The shadow effect that disappears of touch base plate monomer is consistent.Further, since the white space of big plate is larger, it is thus suitable for when unit panel
Neighboring area size not enough sets situation during at least two test block.
In addition, the species of at least two test blocks described in Equations of The Second Kind embodiment, shape, size, generation type and
Formation opportunity, method of testing and the shadow effect determination methods etc. that disappear are same or like with first kind embodiment, therefore can join
More detailed understanding is obtained according to above description, be will not be repeated here.
Disappeared shadow detection process according to the touch base plate of embodiment of the present utility model above by reference to Description of Drawings, it should be noted that
, a large amount of details in above description are merely illustrative, rather than to limitation of the present utility model.In implementation of the present utility model
In example, can be without some in above-mentioned details.
In other side of the present utility model, a kind of touch base plate is additionally provided, it includes：Positioned at its touch area it
The test block with different structure in outer region, wherein, each test block in the test block with different structure
Including distinguishing identical structure with the different structure in touch area.
In certain embodiments, at least two test block includes the survey corresponding to the conducting block in the touch area
Test block, and corresponding to the test block of the etching line in the touch area.
In some further embodiments, at least two test block is also included corresponding in the touch area
The test block in bridge point region.
In certain embodiments, the test block is rectangular or square, and its most short side is long is more than or equal to 1 millimeter.
In certain embodiments, the touch base plate also includes：Witness marker, the witness marker is used for by optic test
Equipment positions at least two test block.
As knowable to those skilled in the art, the more details on the touch base plate can be from above with respect to this reality
Obtained in the description of the shadow detection method that disappeared with new touch base plate and from the existing knowledge of this area, therefore no longer gone to live in the household of one's in-laws on getting married
State.
In another aspect of the present utility model, a kind of contactor control device is additionally provided, it is included according to of the present utility model
Touch base plate described in any one embodiment.As knowable to those skilled in the art, the contactor control device may also include other
Part, such as LCD, control panel, backlight module etc., because the miscellaneous part can be the part of prior art, because
This is repeated no more.
It is understood that various embodiments above of the present utility model be merely to illustrate that principle of the present utility model and
The exemplary embodiment of use, the utility model is not limited thereto.For those skilled in the art, not
In the case of departing from spirit of the present utility model and essence, various changes and modifications can be made therein, and these variations and modifications are also regarded
It is within protection domain of the present utility model.Protection domain of the present utility model is only by the language table of appended claims
The implication and its equivalents stated are limited.
Claims (6)
1. a kind of touch base plate, including：
The test block with different structure in the region outside its touch area, wherein, it is described with different structure
Each test block in test block includes distinguishing identical structure with the different structure in touch area.
2. touch base plate according to claim 1, wherein, the test block is included corresponding to leading in the touch area
The test block of logical block, and corresponding to the test block of the etching line in the touch area.
3. touch base plate according to claim 2, wherein, the test block also includes corresponding in the touch area
The test block in bridge point region.
4. touch base plate according to claim 1, wherein, the test block is rectangular or square, and its most short side is long
More than or equal to 1 millimeter.
5. touch base plate according to claim 1, also includes：
Witness marker, the witness marker is used to position the test block by optical test equipment.
6. a kind of contactor control device, including the touch base plate according to any one in claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621098845.XU CN206301316U (en) | 2016-09-30 | 2016-09-30 | Touch base plate and contactor control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621098845.XU CN206301316U (en) | 2016-09-30 | 2016-09-30 | Touch base plate and contactor control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206301316U true CN206301316U (en) | 2017-07-04 |
Family
ID=59202967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621098845.XU Expired - Fee Related CN206301316U (en) | 2016-09-30 | 2016-09-30 | Touch base plate and contactor control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206301316U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168868A (en) * | 2016-09-30 | 2016-11-30 | 合肥鑫晟光电科技有限公司 | Touch base plate disappears shadow detection method and manufacture method, touch base plate and contactor control device |
-
2016
- 2016-09-30 CN CN201621098845.XU patent/CN206301316U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168868A (en) * | 2016-09-30 | 2016-11-30 | 合肥鑫晟光电科技有限公司 | Touch base plate disappears shadow detection method and manufacture method, touch base plate and contactor control device |
| WO2018059090A1 (en) * | 2016-09-30 | 2018-04-05 | 京东方科技集团股份有限公司 | Touch control substrate shadow elimination detection method and manufacturing method, touch control substrate and touch control device |
| US10980110B2 (en) | 2016-09-30 | 2021-04-13 | Boe Technology Group Co., Ltd. | Shadow elimination detection method and manufacturing method for a touch substrate, touch substrate and touch device |
| CN106168868B (en) * | 2016-09-30 | 2023-08-01 | 合肥鑫晟光电科技有限公司 | Shadow eliminating detection method and manufacturing method of touch substrate, touch substrate and touch device |
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Granted publication date: 20170704 Termination date: 20210930 |