CN106201036A - Built-in type touch display screen and touch display screen module - Google Patents
Built-in type touch display screen and touch display screen module Download PDFInfo
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- CN106201036A CN106201036A CN201510212372.5A CN201510212372A CN106201036A CN 106201036 A CN106201036 A CN 106201036A CN 201510212372 A CN201510212372 A CN 201510212372A CN 106201036 A CN106201036 A CN 106201036A
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Abstract
The present invention relates to a kind of built-in type touch display screen and touch display screen module.This built-in type touch display screen includes: touches display main body, has the first end face and the second end face；Polaroid up and down; it is respectively arranged on the first end face and the second end face; upper polaroid covers the first end face; it is effective coverage that upper polaroid is positioned at the part on the first end face; it is corresponding with the touch sensitive areas touching display main body; it is elongated area that upper polaroid is positioned at the part outside the first end face, which is provided with key zone, for corresponding with the touch key-press region being located on cover sheet；Transparency conducting layer, being located on polaroid, and extend to effective coverage from key zone, pattern for transparent conductive layerization forms touch key-press conductive pattern, this conductive pattern is used for obtaining push button signalling, and by push button signalling transmission to the embedded touch sensitive areas touching display main body.Above-mentioned built-in type touch display screen eliminates Independent keys, simplifies Making programme, greatly reduces cost.
Description
Technical field
The present invention relates to touch Display Technique field, particularly relate to a kind of built-in type touch display screen and touch
Display screen module.
Background technology
Nowadays, the electronical display product with touch function has been used widely, and more and more replaces
Traditional mechanical keyboard is as input equipment, such as: from undersized smart mobile phone, panel computer, to
Large-sized notebook, all-in-one, the most large-sized electronic blackboard etc., people can pass through direct point
Hit the instruction of assigning of the icon on display, more intuitive and convenient, or directly enter by touching dummy keyboard
The input of style of writing word.
At present, touch screen market possessing the electronic product touching display function is generally divided into resistance-type, electricity
The several types such as appearance formula, infrared-type, ultrasonic type, are most widely used with capacitive touch screen the most again.
At present, capacitive touch display screen module mainly include external hanging type touch display module and embedded touch
Touch display module.Either external hanging type touches display module or embedded touch shows module, and its structure is equal
Including cover sheet and be positioned at the touch sensing unit below cover sheet and display screen.Wherein external hanging type touches
Touching display module, its touch sensing unit is between cover sheet and display screen, and embedded touch shows
Module, its touch sensing unit is positioned at inside display screen.
External hanging type touch screen mainly includes OGS (touch sensing unit is directly made in the cover sheet back side), DITO
Glass capacitive touch screens such as (touch sensing unit are made on the most single glass substrate), and GFF,
(touch sensing unit is made on film substrate the thin-film capacitor touch screens such as GF, GF1, then pastes with cover sheet
Close).
Either external hanging type touch screen or In-cell touch panel, its touch screen body all includes that visible area is with peripheral
Shading (BM) district (non-visible area)；Owing to touch key-press region is often positioned in outside touch screen visible area
BM district, its touch key-press conductive pattern of external hanging type touch screen and visible area electrode pattern all can together with make
On thin film or glass baseplate, therefore without touch key-press is additionally fabricated separately.
In-cell touch panel major programme includes that touch sensing unit (is made between colored filter mould by Oncell
Between block and polaroid) and Incell (touch sensing unit is embedded in the liquid crystal pixel of display screen) two kinds
Scheme.
Owing to its touch sensing unit of In-cell touch panel is embedded into inside display screen, its touch sensitive areas limits
In display screen effective coverage (namely the end face of one end of display screen, and the end face of one end of display screen namely
Touch the visible area of display screen module) in, and the region beyond visible area cannot be sensed, as being positioned at BM district
Button.Generally require therefore in the touch key-press outside touch screen visible area and be fabricated separately and invest protection
Cover plate back side respective regions.
The most most embedded touches show module, and it is all (whole by full laminating that it touches display screen
Fit in face) mode fit together with cover sheet, reduce during frame pastes anti-due to have that air layer causes
Penetrate, thus ensure that display screen has the good optical effects such as higher brightness and definition.
Touch key-press conductive pattern method is fabricated separately at present predominantly: at cover sheet at the cover sheet back side
Outside the visible area of the back side touch key-press region laminating have the key induced unit of separate conductive conductive layer or
Directly key induced for conduction unit is produced on touch key-press region；Then the key induced unit that conducts electricity is by drawing
Line links together with control circuit, by touch signal individual transmission to control circuit.Said method adds
The processing procedures such as laminating, circuit making and binding, are greatly increased extra manufacturing process and cost.
Summary of the invention
Based on this, it is necessary to provide a kind of built-in type touch display screen that can effectively reduce manufacturing process and cost
And touch display screen module.
A kind of built-in type touch display screen, including:
Embedded touch shows main body, has the first relative end face and the second end face；
Two pieces of polaroids, are respectively arranged on described first end face and described second end face, are located at described first end
On face for upper polaroid, be used for connecting cover sheet, be located on described second end face for lower polaroid,
For connecting back light unit, the area of described upper polaroid more than the area of described first end face, described upper partially
The part that mating plate is positioned on described first end face is effective coverage, described effective coverage and described embedded touch
The touch sensitive areas of display main body is corresponding, and described upper polaroid is positioned at the part outside described first end face and is
Elongated area, described elongated area is provided with key zone, and described key zone is used for and is located on cover sheet
Touch key-press region is corresponding；And
Transparency conducting layer, is located on described upper polaroid one surface, and from described key zone extend to described in have
Effect region, described pattern for transparent conductive layerization forms touch key-press conductive pattern, described touch key-press conductive pattern
Case is used for obtaining touch key-press capacitance change signal, and by the transmission of touch key-press capacitance change signal to embedded
Touch in the touch sensitive areas of display main body.
Wherein in an embodiment, the described embedded display main body that touches includes folding the film crystal set successively
Tube module, Liquid Crystal Module, pixel electrode module, touch control electrode module and colored filter module, described
Colored filter module is described first end face away from the surface of described touch control electrode module, described film crystal
Tube module is described second end face away from the surface of described Liquid Crystal Module.
Wherein in an embodiment, described elongated area is to extend the length formed from side, described effective coverage
Square, described elongated area is described key zone；
Wherein in an embodiment, described elongated area is to extend from the side of described effective coverage to be formed
Multiple strips, the plurality of strip is spaced, and described elongated area is described key zone.
Wherein in an embodiment, the area of described lower polaroid is identical with the area of described second end face.
Wherein in an embodiment, described touch key-press conductive pattern includes multiple touch key-press electrode, often
One touch key-press electrode include one be positioned at Shang Gan contact regions, described key zone and two be positioned at described effective district
Transmission point district in territory, described thoughts and feelings point district electrically connects with said two transmission point district respectively, described thoughts and feelings point
District is for corresponding with the button being located on cover sheet.
Wherein in an embodiment, also include that insulating protective layer, described insulating protective layer are located at described touch
Button conductive pattern is positioned in the part on described key zone.
Wherein in an embodiment, also include that insulating protective layer, described insulating protective layer are located at described touch
On the button conductive pattern side away from described upper polaroid.
A kind of touch display screen module, including:
Above-mentioned built-in type touch display screen；And
Cover sheet, including visible area and shading region, described shading region is provided with touch key-press region, described
Cover sheet is located on described upper polaroid, and described visible area is corresponding with described effective coverage, described touch
Key area is corresponding with described key zone.
Wherein in an embodiment, described cover sheet is strengthening glass sheets, sapphire plate or plastic plate,
And the case hardness of described cover sheet is more than or equal to 3H.
Above-mentioned built-in type touch display screen is by increasing upper polaroid in traditional built-in type touch display screen
Size (area) so that upper polaroid has the effective coverage being positioned on the first end face and is positioned at the first end face
Outside elongated area.Transparency conducting layer is located on polaroid one surface, and extends to effectively from key zone
Region.Pattern for transparent conductive layerization forms touch key-press conductive pattern, and touch key-press conductive pattern is used for obtaining
Touch key-press capacitance change signal, and the transmission of touch key-press capacitance change signal is touched display master to embedded
In the touch sensitive areas of body, such that it is able to by the embedded touch sensitive areas touching display main body
Touch sensing unit senses embedded touch and shows that the button outside main body touches, namely makes touch key-press
Region can sense touch instruction.
Said method is without being fabricated separately touch controlled key and wire, to transmit capacitance change signal to controlling electricity
Road.Above-mentioned built-in type touch display screen eliminates Independent keys, simplifies Making programme, effectively reduces manufacture
Operation and cost.
Accompanying drawing explanation
Fig. 1 is the structural representation touching display screen module of an embodiment；
Fig. 2 is the assembling schematic diagram of the cover sheet in Fig. 1, upper polaroid and transparency conducting layer；
Fig. 3 is the assembling schematic diagram of the cover sheet in another embodiment, upper polaroid and transparency conducting layer；
Fig. 4 is the assembling schematic diagram of the cover sheet in another embodiment, upper polaroid and transparency conducting layer；
Fig. 5 is the structural representation of the transparency conducting layer in an embodiment；
The structural representation of the transparency conducting layer in another embodiment of Fig. 6 position；
The structural representation of the transparency conducting layer in another embodiment of Fig. 7 position.
Detailed description of the invention
Below in conjunction with the accompanying drawings and be embodied as to built-in type touch display screen and touch display screen module enter one
Step explanation.
As shown in Figures 1 and 2, the touch display screen module 10 of an embodiment, show including embedded touch
Display screen 12, cover sheet 14 and back light unit 16.
Built-in type touch display screen 12 include embedded touch display main body 100, upper polaroid 200, lower partially
Mating plate 300, transparency conducting layer 400 and protective layer (not shown).
Touch display main body 100 and there is the first relative end face 110 and the second end face 120.
Upper polaroid 200 is located on the first end face 110, is used for connecting cover sheet 14.Wherein, upper polarisation
The area of sheet 200 is more than the area of the first end face 110.Upper polaroid 200 is positioned on the first end face 110
Part is effective coverage 210, effective coverage 210 and the embedded touch sensitive areas touching display main body 100
Corresponding (namely the first end face 110 is corresponding).Upper polaroid 200 is positioned at the part outside the first end face 110
Elongated area 220.Elongated area 220 is provided with key zone 222, and key zone 222 is used for and is located at protection cap
Touch key-press region 14c on plate 14 is corresponding.
Lower polaroid 300 is located on the second end face 120, is used for connecting back light unit 16.
Transparency conducting layer 400 is located on polaroid 200 1 surface, and extends to effectively from key zone 222
Region 210.Transparency conducting layer 400 patterning forms touch key-press conductive pattern 410, touch key-press conductive pattern
Case 410 is used for obtaining touch key-press capacitance change signal, and by the transmission of touch key-press capacitance change signal to interior
Embedded touches in the touch sensitive areas of display main body 100.Wherein, transparency conducting layer 400 can be located at
On any surface on 200 liang of surfaces of polaroid.
In traditional touch display screen module, cover sheet 14 is located on polaroid 200, cover sheet
The visible area 14a of 14 is corresponding with the first end face 110, namely there is touch sensing unit the lower section of visible area 14a,
Therefore the visible area 14a of cover sheet 14 can sense touch instruction.And it is positioned at the shading of cover sheet 14
No touch sensing unit below the 14c of touch key-press region on district 14b, therefore in the shading of cover sheet 14
On district 14b, touch key-press region 14c can not sense touch instruction.So that touch key-press region 14c can feel
Should touch instruction, generally at the back side of touch key-press region 14c, laminating has the key induced unit of separate conductive
Conductive layer or directly key induced for conduction unit is produced on the 14c of touch key-press region, then button
Sensing unit is linked together with control circuit, by touch signal individual transmission to control circuit by lead-in wire.
Above-mentioned traditional method adds the processing procedures such as laminating, circuit making and binding, is greatly increased extra manufacture
Operation and cost.
And above-mentioned built-in type touch display screen 12 is by increasing the upper polarisation in traditional built-in type touch display screen
The size (area) of sheet 200 so that upper polaroid 200 has the effective coverage being positioned on the first end face 110
210 and be positioned at the elongated area 220 outside the first end face 110.Transparency conducting layer 400 is located at polaroid
On 200 1 surfaces, and extend to effective coverage 210 from key zone 222.Transparency conducting layer 400 patterns shape
Becoming touch key-press conductive pattern 410, touch key-press conductive pattern 410 is used for obtaining touch key-press capacitance variations letter
Number, and by the transmission of touch key-press capacitance change signal to the embedded touch-sensing district touching display main body 100
In territory, such that it is able to by the touch sensible list in the embedded touch sensitive areas touching display main body 100
Unit senses embedded touch and shows that the button outside main body 100 touches, namely makes touch key-press region 14c
Sensing can touch instruction.
Said method is without being fabricated separately touch controlled key and wire, to transmit capacitance change signal to controlling electricity
Road.Above-mentioned built-in type touch display screen 12 eliminates Independent keys, simplifies Making programme, simplifies making
Flow process, effectively reduces manufacturing process and cost.
Built-in type touch display screen 12 can be the built-in type touch display screen using Oncell scheme, it is also possible to
It it is the built-in type touch display screen using Incell scheme.In the present embodiment, built-in type touch display screen
12 for using the built-in type touch display screen of Incell scheme.Concrete, touch display main body 100 and include depending on
Secondary folding sets film crystal tube module 130, Liquid Crystal Module 140, pixel electrode module 150, touch control electrode module
160 and colored filter module 170.Wherein, colored filter module 170 is away from touch control electrode module 160
Surface be the first end face 110, film crystal tube module 130 is the second end face away from the surface of Liquid Crystal Module
120。
Concrete, film crystal tube module 130 includes glass substrate 132 and is located on glass substrate 132
TFT (Thin Film Transistor, thin film transistor (TFT)) electrode 134.Colored filter module 170 includes glass
Glass substrate 172, the shading matrix 174 being located on glass substrate 172 and be scattered in shading matrix 174
Colored light-filtering units 176.Shading matrix 174 is generally formed by black light-proofness material.Colored light-filtering units
176 are formed by red, green or blue light resistance material, and the filter unit 176 of three kinds of colors is uniformly distributed in shading square
In battle array 174.
Further, as in figure 2 it is shown, in the present embodiment, elongated area 220 is from effective coverage 210
Side extends the rectangle formed, and elongated area 220 is key zone 222.In the present embodiment, extend
The region 220 length near one side of effective coverage 210 is equal to effective coverage 210 near elongated area 220
The length of side.As shown in Figure 3, it will be understood that in other embodiments, elongated area 220 is leaned on
The length on one side of nearly effective coverage 210 might be less that effective coverage 210 is near the one of elongated area 220
The length of side.
As shown in Figure 4, it will be understood that in other embodiments, elongated area 220 is from effective coverage
The side of 210 extends the multiple strips formed, and multiple strips are spaced.Elongated area 220 be by
Keypad 222.Being appreciated that in other embodiments, elongated area 220 can be from effective coverage 210
Surrounding stretches out, and now the area of elongated area 220 is more than the area of key zone 222.
Further, in the present embodiment, the area of lower polaroid 300 and the area phase of the second end face 120
With.
Further, as it is shown in figure 5, in the present embodiment, touch key-press conductive pattern 410 includes multiple
Touch key-press electrode 412.Each touch key-press electrode 412 includes that is positioned on key zone 222 a sense contact regions
4122 and two transmission point districts 4124 being positioned at effective coverage 210.Sense contact regions 4122 is respectively with two
Individual transmission point district 4124 electrically connects, and sense contact regions 4122 is used for and the button 14d being located on cover sheet 14
Corresponding.As shown in Fig. 5～7, the shape in sense contact regions 4122 and transmission point district 4124 can be square, circle
Shape, ellipse, triangle etc..
Further, in the present embodiment, transparency conducting layer 400 is metal grill conductive layer, tin indium oxide
Conductive layer, carbon nanotube conducting layer, metal nanometer line conductive layer, graphene conductive layer or poly-enedioxy thiophene
Fen conductive layer.
Wherein, when transparency conducting layer 400 is the conductive layer being made up of line-shaped conductive thing, such as, carbon nanometer
Pipe conductive layer, metal nanometer line conductive layer etc., transparency conducting layer 400 can directly pass through coating, transfer etc.
Mode is formed.When transparency conducting layer 400 is the conductive layer being made up of transparent elargol, transparency conducting layer 400
Can be directly to be formed by modes such as printings.When transparency conducting layer 400 is metal grill conductive layer, its shape
One-tenth method, for first to form transparent UV (ultraviolet) glue-line on upper polaroid, is imprinted with being formed groove, so
Filling conductive filler in the trench by the way of printing or coating afterwards, gash depth therein is
1um～5um；The width of groove is 1um～5um；Conductive filler is nanometer silver, Nanometer Copper, nanometer gold etc.
Conducting metal or such as transparent conductive materials such as Graphenes.
Further, in the present embodiment, insulating protective layer be located at touch key-press conductive pattern 410 be positioned at by
In part on keypad 222, namely insulating protective layer covering part touch key-press conductive pattern 410.Wherein,
Forming the mode of insulating protective layer can be to print, paste, cover or coating etc..It is appreciated that at other
In embodiment, insulating protective layer is located at the touch key-press conductive pattern 410 side away from upper polaroid 200
On, namely the insulating protective layer whole touch key-press conductive pattern 410 of covering.
Cover sheet 14 includes that visible area 14a and shading region 14b, shading region 14b are provided with touch key-press district
Territory 14c.Cover sheet 14 is located on polaroid 200, and visible area 14a is corresponding with effective coverage 210,
Touch key-press region 14c is corresponding with key zone 222.In the present embodiment, touch key-press region 14c is provided with
Three button 14d.Each button 14d has a corresponding touch key-press electrode 412.
Further, in the present embodiment, cover sheet 14 passes through optical clear glue-line (not shown) with interior
Embedded touches display screen 12 and fits together.
Further, in the present embodiment, cover sheet 14 is strengthening glass sheets, sapphire plate or plastic plate,
And the case hardness of cover sheet 14 is more than or equal to 3H (3H is pencil hardness grade).It is thus possible to effectively keep away
Exempt to touch display screen module 10 to be scratched.Wherein, plastic plate can be PET (polyethylene
Terephthalate, polyethylene terephthalate), PC (polycarbonate, Merlon), PMMA
Answering of one or more in plastic materials such as (polymethylmethacrylate, polymethyl methacrylates)
Close and formed.
Back light unit 16 is located on lower polaroid 300.
Above-mentioned touch display screen module 10 eliminates Independent keys, simplifies Making programme, simplifies making stream
Journey, effectively reduces manufacturing process and cost.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (10)
1. a built-in type touch display screen, it is characterised in that including:
Embedded touch shows main body, has the first relative end face and the second end face；
Two pieces of polaroids, it is respectively arranged on described first end face and described second end face, be located on described first end face for upper polaroid, for connecting cover sheet, be located on described second end face for lower polaroid, for connecting back light unit, the area of described upper polaroid is more than the area of described first end face, the part that described upper polaroid is positioned on described first end face is effective coverage, with described embedded touch, described effective coverage shows that the touch sensitive areas of main body is corresponding, it is elongated area that described upper polaroid is positioned at the part outside described first end face, described elongated area is provided with key zone, described key zone is for corresponding with the touch key-press region being located on cover sheet；And
Transparency conducting layer, it is located on described upper polaroid one surface, and extend to described effective coverage from described key zone, described pattern for transparent conductive layerization forms touch key-press conductive pattern, described touch key-press conductive pattern is used for obtaining touch key-press capacitance change signal, and by touch key-press capacitance change signal transmission to the embedded touch sensitive areas touching display main body.
Built-in type touch display screen the most according to claim 1, it is characterized in that, the described embedded display main body that touches includes folding film crystal tube module, Liquid Crystal Module, pixel electrode module, touch control electrode module and the colored filter module set successively, described colored filter module is described first end face away from the surface of described touch control electrode module, and described film crystal tube module is described second end face away from the surface of described Liquid Crystal Module.
Built-in type touch display screen the most according to claim 1, it is characterised in that described elongated area is to extend the rectangle formed from side, described effective coverage, and described elongated area is described key zone.
Built-in type touch display screen the most according to claim 1, it is characterised in that described elongated area is to extend, from the side of described effective coverage, the multiple strips formed, and the plurality of strip is spaced, and described elongated area is described key zone.
Built-in type touch display screen the most according to claim 1, it is characterised in that the area of described lower polaroid is identical with the area of described second end face.
Built-in type touch display screen the most according to claim 1; it is characterized in that; described touch key-press conductive pattern includes multiple touch key-press electrode; each touch key-press electrode includes that one is positioned at Shang Gan contact regions, described key zone and two transmission point districts being positioned at described effective coverage; described thoughts and feelings point district electrically connects with said two transmission point district respectively, and described sense contact regions is for corresponding with the button being located on cover sheet.
Built-in type touch display screen the most according to claim 1, it is characterised in that also include that insulating protective layer, described insulating protective layer are located at described touch key-press conductive pattern and are positioned in the part on described key zone.
Built-in type touch display screen the most according to claim 1, it is characterised in that also include that insulating protective layer, described insulating protective layer are located on the described touch key-press conductive pattern side away from described upper polaroid.
9. one kind touches display screen module, it is characterised in that including:
Built-in type touch display screen as according to any one of claim 1-8；And
Cover sheet, including visible area and shading region, described shading region is provided with touch key-press region, and described cover sheet is located on described upper polaroid, and described visible area is corresponding with described effective coverage, and described touch key-press region is corresponding with described key zone.
Touch display screen module the most according to claim 9, it is characterised in that described cover sheet is strengthening glass sheets, sapphire plate or plastic plate, and the case hardness of described cover sheet is more than or equal to 3H.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510212372.5A CN106201036B (en) | 2015-04-29 | 2015-04-29 | In-cell touch display screen and touch display screen module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510212372.5A CN106201036B (en) | 2015-04-29 | 2015-04-29 | In-cell touch display screen and touch display screen module |
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| CN106201036A true CN106201036A (en) | 2016-12-07 |
| CN106201036B CN106201036B (en) | 2023-06-20 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106980424A (en) * | 2017-04-01 | 2017-07-25 | 东莞市乐升电子有限公司 | A kind of capacitance touch screen |
| CN108627902A (en) * | 2018-07-11 | 2018-10-09 | 京东方科技集团股份有限公司 | Polaroid, display panel and display device |
| CN109492486A (en) * | 2017-09-12 | 2019-03-19 | 南昌欧菲生物识别技术有限公司 | Display module and electronic device |
| CN110892369A (en) * | 2017-05-10 | 2020-03-17 | 齐特罗尼克显示器有限公司 | Display device |
| CN111327306A (en) * | 2020-02-26 | 2020-06-23 | 业成科技（成都）有限公司 | Touch button and operating handle |
| CN115220250A (en) * | 2021-04-20 | 2022-10-21 | 宝宸（厦门）光学科技有限公司 | Electronic device and display projection system |
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| CN111327306B (en) * | 2020-02-26 | 2023-03-21 | 业成科技（成都）有限公司 | Touch button and operating handle |
| CN115220250A (en) * | 2021-04-20 | 2022-10-21 | 宝宸（厦门）光学科技有限公司 | Electronic device and display projection system |
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