CN207764755U - Cover sheet and touch screen cover board - Google Patents
Cover sheet and touch screen cover board Download PDFInfo
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- CN207764755U CN207764755U CN201720959724.8U CN201720959724U CN207764755U CN 207764755 U CN207764755 U CN 207764755U CN 201720959724 U CN201720959724 U CN 201720959724U CN 207764755 U CN207764755 U CN 207764755U
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Abstract
Cover sheet disclosed by the utility model includes substrate and transparent high resistant composite layer.On the substrate, the resistance value of the high resistant composite layer is 10 for the high resistant composite layer setting5ohms/square‑109ohms/square.The cover sheet of the utility model embodiment on substrate by being arranged high resistant composite layer, and when making finger close to cover sheet, high resistant composite layer, which can reduce human body, interferes the telecommunications that the electronic component below cover sheet generates.The invention also discloses a kind of touch screen cover boards.
Description
Technical field
The utility model is related to technical field of touch control, more particularly to a kind of cover sheet and touch screen cover board.
Background technology
Cover sheet is generally located on electronic component (such as pressure sensor), when user's touch-control cover sheet, people
Cognition interferes signal to electronic component, to influence electronic component work.
Utility model content
The embodiment of the utility model provides a kind of cover sheet and touch screen cover board.
The cover sheet of the utility model embodiment includes：
Substrate；And
Transparent high resistant composite layer, the high resistant composite layer are arranged on the substrate, the resistance value of the high resistant composite layer
It is 105ohms/square-109ohms/square.Make finger close to cover sheet by the way that high resistant composite layer is arranged on substrate
When, high resistant composite layer, which can reduce human body, interferes the telecommunications that the electronic component below cover sheet generates.Because high resistant is compound
The resistance value of layer is less than 105Ohms/square can generate shielding to touch signal or shielding action is larger, it cannot be guaranteed that touching
Normal work；Simultaneously when the resistance value of high resistant composite layer is more than 109It cannot make high resistant composite layer well when ohms/square
The electrostatic of human body institute band is masked, and causes electrically to interfere, therefore the resistance value of high resistant composite layer is set as 105ohms/
square-109Ohms/square is suitable.
In some embodiments, the high resistant composite layer includes monolayer material, the case hardness of the high resistant composite layer
More than 4H.The case hardness of high resistant composite layer, which is more than 4H, enables cover sheet to have preferable Scratch Resistance.
In some embodiments, the high resistant composite layer includes resistive formation and high surface hardness layer, the resistive formation with
The high surface hardness layer is sequentially overlapped setting on the substrate.High resistant composite layer makes protection by the way that high surface hardness layer is arranged
Cover board has preferable hardness and antiscratching properties energy.
In some embodiments, the high resistant composite layer further includes isolation water layer, the resistive formation, the isolation water layer
And the high surface hardness layer is sequentially overlapped setting on the substrate.High resistant composite layer completely cuts off water layer by setting and can completely cut off
Moisture content avoids moisture content from entering resistive formation and causes the resistance value of resistive formation to change and eventually lead to the failure of high resistant composite layer.
In some embodiments, the material of the resistive formation is the resin material for having added material, the added material
Including in conducting polymer, metal oxide particle, metal nanometer line, semiconductor nanowires, carbon nanotube any one or
It is a variety of.Resistive formation can adjust the resistance value of resistive formation by adding above-mentioned added material in resin material, so that high resistant is multiple
The resistance value of layer is closed 105ohms/square-109Within the scope of ohms/square.
In some embodiments, the high surface hardness layer includes the coating material or hardening coat material of silica
Material.The coating material and hardening coat material of silica all have higher hardness, therefore by the coating material of silica
Or high surface hardness layer made of hardening coat material has higher hardness.
In some embodiments, it is described isolation water layer include the coating material of silica, silicon nitride coating material,
With include silica and silicon nitride coating material in any one.Silica and silicon nitride can form densification
Coating, and the coating is not reacted with hydrone, oxygen molecule, thus completely cutting off water layer can prevent hydrone, oxygen molecule from passing through.
The touch screen cover board of the utility model embodiment includes：
Cover sheet described in above-mentioned any one embodiment；
Piezoelectric membrane, the piezoelectric membrane are arranged in the side far from the high resistant composite layer of the cover sheet；
First conductive layer, first conductive layer are arranged between the cover sheet and the piezoelectric membrane；With
One far from first conductive layer in the piezoelectric membrane is arranged in second conductive layer, second conductive layer
Side.By piezoelectric membrane be arranged side of the cover sheet far from the high resistant composite layer can be good at read screen because by
Miniature deformation caused by pressure, and the limitation without assembling tolerance simplify structure.
In some embodiments, the touch screen cover board further includes the first base material；
The first base material is arranged between the piezoelectric membrane and the cover sheet, and the first conductive layer setting exists
The side of the close piezoelectric membrane of the first base material；Or
The first base material is arranged in the side far from the cover sheet of the piezoelectric membrane, second conductive layer
It is arranged in the first base material close to the side of the piezoelectric membrane.Touch screen cover board is convenient for by the way that the first base material is arranged by the
Second conductive layer is fabricated into the first base material by one conductive layer, consequently facilitating making touch screen cover board.
In some embodiments, the touch screen cover board includes the first base material and the second base material, and the first base material is set
It sets between the piezoelectric membrane and the cover sheet, first conductive layer is arranged in the first base material close to described
The side of piezoelectric membrane, second base material are arranged the side far from the cover sheet in the piezoelectric membrane, and described the
Two conductive layers are arranged in second base material close to the side of the piezoelectric membrane.Touch screen cover board is by being arranged the first base material
And second base material, convenient for the first conductive layer is fabricated into the first base material and convenient for the second conductive layer is fabricated into the second base material
On, consequently facilitating making touch screen cover board.
In some embodiments, first conductive layer includes a plurality of touch-control sensing electrode of spaced setting and more
First pressure induction electrode；
Second conductive layer includes spaced a plurality of multiplexing electrode, and the multiplexing electrode can be used as driving electrodes
With second pressure induction electrode, the driving electrodes are used to form the first capacitance with the touch-control sensing electrode and be pressed for obtaining
The location information being pressed on the touch screen cover board, the second pressure induction electrode are used for and the first pressure induction electrode
And the piezoelectric membrane collectively constitutes piezoelectric element and for obtaining pressing force information of the pressing on the touch screen cover board.It touches
Control induction electrode and first pressure induction electrode are arranged on the first conductive layer, are reduced the quantity of conductive layer and are reduced support
The base material quantity of conductive layer, to reduce the integral thickness of touch screen cover board.
In some embodiments, first conductive layer includes a plurality of touch-control sensing electrode of spaced setting and more
First pressure induction electrode；
Second conductive layer includes spaced a plurality of driving electrodes and a plurality of second pressure induction electrode, the drive
Moving electrode is used to form the first capacitance with the touch-control sensing electrode and for obtaining position of the pressing on the touch screen cover board
Confidence ceases, and the second pressure induction electrode is used to collectively constitute pressure with the first pressure induction electrode and the piezoelectric membrane
Electric device is simultaneously used to obtain pressing force information of the pressing on the touch screen cover board.Second conductive layer includes driving electrodes and
Two pressure sensitive electrodes make driving electrodes and touch-control sensing electrode can make up the first capacitance and second pressure induction electrode and the
One pressure sensitive electrode and the piezoelectric membrane collectively constitute piezoelectric element, to make the first capacitance for obtain press touching
Location information and piezoelectric element on screen cover board be used to obtain pressing force information of the pressing on touch screen cover board can and meanwhile into
Row.
In some embodiments, the first conductive layer further includes a plurality of dummy electrode, and every dummy electrode setting exists
Between the arbitrary two adjacent touch-control sensing electrodes and the first pressure induction electrode, the dummy electrode is for reducing
What is generated between the touch-control sensing electrode and the first pressure induction electrode of the dummy electrode both sides is electrical dry
It disturbs.Every dummy electrode is used to shield and be produced between the touch-control sensing electrode and first pressure induction electrode of dummy electrode both sides
Raw electrical interference (signal interference), to improve the accuracy of detection of the first capacitance and the accuracy of detection of piezoelectric element.
In some embodiments, the touch screen cover board includes processor and the circuit that is electrically connected with the processor,
The processor is electrically connected and controls the circuit and described more for controlling the circuit and a plurality of touch-control sensing electrode
Item is multiplexed electrode electrical connection, so that the multiplexing electrode forms first capacitance with the touch-control sensing electrode and is used to obtain
The location information；And
The processor is additionally operable to control the circuit is electrically connected and controls the electricity with the first pressure induction electrode
Road is electrically connected with the multiplexing electrode, so that the multiplexing electrode and the first pressure induction electrode and the piezoelectric membrane are total
With the composition piezoelectric element and for obtaining the pressing force information.The work of processor control multiplexing electrode, keeps multiplexing electric
Pole can be not only used for test position information and can be used for detecting pressing force information again, therefore ensure that touch screen cover board can be surveyed accurately
Location information of the examination pressing on touch screen cover board, and can accurately obtain pressure size of the pressing on touch screen cover board.
In some embodiments, first conductive layer includes the first side, the second side, first electrode lead, the second electricity
Pole lead, third contact conductor, the 4th contact conductor, first area and second area, first side and the second side point
Not Wei Yu the touch-control sensing electrode both ends, the first area and the second area are by a plurality of touch-control sensing electrode
And a plurality of first pressure induction electrode is divided into two parts；
One end of the first electrode lead is located at first side of the first area and is electrically connected the touch-control sense
Answer electrode；One end of the second electrode lead is located at the second side of the second area and is electrically connected the touch-control sensing
Electrode；One end of the third contact conductor is located at first side of the second area and is electrically connected the first pressure sense
Answer electrode；One end of 4th contact conductor is located at the second side of the first area and is electrically connected the first pressure
Induction electrode.A plurality of first electrode lead is drawn from the first side of the first conductive layer, and a plurality of second electrode lead is conductive from first
The second side of layer is drawn, and avoids a plurality of first electrode lead and a plurality of second electrode lead from the first side of induction electrode or the
Two sides draw and cause the width of the first side or the second side larger, consequently facilitating realizing the narrow frame design of touch control display apparatus.
The touch screen cover board and cover sheet of the utility model embodiment are made by the way that high resistant composite layer is arranged on substrate
When finger is close to cover sheet, it is dry that high resistant composite layer can reduce the telecommunications that human body generates the electronic component below cover sheet
It disturbs.
The additional aspect and advantage of the embodiment of the utility model will be set forth in part in the description, partly will be from
Become apparent in following description, or is recognized by the practice of the embodiment of the utility model.
Description of the drawings
In description of the above-mentioned and/or additional aspect and advantage of the utility model from combination following accompanying drawings to embodiment
It will be apparent and be readily appreciated that, wherein：Illustrating in newly-increased attached drawing modification, specification
Fig. 1-3 is the sectional view of the cover sheet of the utility model certain embodiments；
Fig. 4 is the sectional view of the touch screen cover board of the utility model certain embodiments；
Fig. 5 is the floor map of the first conductive layer of the utility model certain embodiments；
Fig. 6 is the floor map of the second conductive layer of the utility model certain embodiments；
Fig. 7-8 is the sectional view of the cover sheet of the utility model certain embodiments；
Fig. 9-11 is the sectional view of the touch screen cover board of the utility model certain embodiments；
Figure 12 is the floor map of the second conductive layer of the utility model certain embodiments；
Figure 13 is the floor map of the first conductive layer of the utility model certain embodiments；
Figure 14 is the floor map of the touch screen cover board of the utility model certain embodiments.
Specific implementation mode
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as to this practicality
Novel limitation.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Described convenient for description the utility model and simplifying, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " first ",
" second " is used for description purposes only, and is not understood to indicate or imply relative importance or implicitly indicates indicated technology
The quantity of feature.Define " first " as a result, the feature of " second " can explicitly or implicitly include it is one or more
The feature.The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific
It limits.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be to be electrically connected or can mutually communicate；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the interaction relationship of the connection or two elements inside two elements.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features are in direct contact, and can also not be to be in direct contact but lead to including the first and second features
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only
Indicate that fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the utility model.
In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relationship between setting.In addition, the example for the various specific techniques and material that the utility model provides, but this
Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
- 3 are please referred to Fig.1, the cover sheet 100 of the utility model embodiment includes that substrate 10 and transparent high resistant are compound
Layer 20.High resistant composite layer 20 is arranged on the substrate 10, and the resistance value of high resistant composite layer 20 is 105ohms/square-109ohms/
Square (or Ω/).Specifically, as shown in Figures 1 and 2, high resistant composite layer 20 can be one layer, and high resistant composite layer 20
It is arranged on one of substrate 10 surface.As shown in figure 3, high resistant composite layer 20 or two layers, two layers of high resistant is compound
Layer 20 is arranged on two opposite surfaces of substrate 10.Usually, cover sheet 100 is arranged in electronic component (for example, as schemed
Piezoelectric membrane 30 shown in 4, the first conductive layer 40 and the second conductive layer 50) on.
When cover sheet 100 is arranged with touch-control sensing electrode 41, driving electrodes 54, piezoelectric membrane 30, first pressure sense
When answering electrode 42 and second pressure induction electrode 56 (as shown in Figures 5 and 6), if the resistance value of high resistant composite layer is less than
105Ohms/square, then high resistant composite layer 20 can shield the touch signal generated when user's operation cover sheet 100, thus shadow
Ring the normal work of touch-control sensing electrode 41 and driving electrodes 54；If the resistance value of high resistant composite layer is more than 109Ohms/square,
Then high resistant composite layer 20 can not shield the electrostatic interference generated when user's operation cover sheet 100 well, so as to cause pressure
The accuracy of detection of conductive film 30, first pressure induction electrode 42 and second pressure induction electrode 56 reduces.The utility model is implemented
The cover sheet 100 of mode by the resistance value of high resistant composite layer 20 by being set as 105ohms/square-109Ohms/square,
Make to be arranged with touch-control sensing electrode 41, driving electrodes 54, piezoelectric membrane 30, first pressure induction electrode when cover sheet 100
42 and when second pressure induction electrode 56, shielding action of the high resistant composite layer 20 to touch-control sensing electrode 41 and driving electrodes 54
It will not ensure very much that touch-control sensing electrode 41 and driving electrodes 54 can detect the position of touch of finger by force；Meanwhile high resistant is compound
Layer 20 can reduce finger and generate electrical interference to first pressure induction electrode 42 and second pressure induction electrode 56, so that first
Pressure sensitive electrode 42 and second pressure induction electrode 56 have higher accuracy of detection.
The cover sheet 100 of the utility model embodiment makes finger by the way that high resistant composite layer 20 is arranged on the substrate 10
When close to cover sheet 100, high resistant composite layer 20 can reduce the electricity that human body generates the electronic component of 100 lower section of cover sheet
Letter interference.
It please refers to Fig.1 and Fig. 4, the touch screen cover board 200 of the utility model embodiment includes cover sheet 100, piezoelectricity
Film 30, the first conductive layer 40 and the second conductive layer 50.Specifically, cover sheet 100, the first conductive layer 40, piezoelectric membrane 30
Sequentially it is arranged with the second conductive layer 50.
Referring to Fig. 1, cover sheet 100 includes substrate 10 and transparent high resistant composite layer 20.
Substrate 10 is made of clear material, and specifically, substrate 10 can be by glass, sapphire, polymethyl methacrylate
(PolymethylMethacrylate, PMMA), makrolon (Polycarbonate, PC), polyethylene terephthalate
(Polyethyleneterephtalate, PET), cyclenes macromolecule (Cyclo Olefin Polymers, COP) have high table
The formation such as the organic/inorganic composite material of surface hardness.In the present embodiment, substrate 10 is rectangular.In other embodiments,
Substrate 10 can also rounded, oval, triangle, polygon.
The high resistant composite layer 20 of present embodiment is arranged in the side of the separate piezoelectric membrane 30 of substrate 10, specifically, high
Resistance composite layer 20 can be arranged on the substrate 10 by way of plated film or coating.The resistance value of high resistant composite layer 20 is
105ohms/square-109Ohms/square, for example, the resistance value of high resistant composite layer 20 can be 105ohms/square、 5×
105ohms/square、106ohms/square、5×106ohms/square、107ohms/square、5× 107ohms/
square、108ohms/square、5×108ohms/square、109Any one in ohms/square etc., it is preferred that high
The resistance value for hindering composite layer 20 is 106ohms/square-108ohms/square.High resistant composite layer 20 is monolayer material, and high resistant is multiple
The case hardness for closing layer 20 is more than 4H, and specifically, high resistant composite layer 20 can be transparent metal oxide, for example, metal oxygen
Compound can be any one or more in aluminium oxide, zinc oxide, indium oxide, tin oxide；In other embodiments, high resistant
Composite layer 20 or the resin material for having added material, specifically, high resistant composite layer 20 can be solid solution, wherein resin
Material is solvent, and added material is solute.Resin material can be photosensitive resin (UV resins), and photosensitive resin can be UV insatiable hungers
With polyester, UV epoxy acrylates, UV urethane acrylates, UV polyester acrylates, UV polyethers acrylic ester, UV pure acrylic acids
Any one or more in resin, UV epoxy resin, UV silicone oligomers.Added material includes conducting polymer, metal
Any one or more in oxide particle, metal nanometer line, semiconductor nanowires, carbon nanotube.Conducting polymer includes
Polyglycolic acid fibre：Kayexalate (PEDOT：) and PEDOT PSS：The derivative of PSS.
Referring to Fig. 2, piezoelectric membrane 30 is arranged in the side of the separate high resistant composite layer 20 of cover sheet 10.Piezoelectric membrane
30 can be Kynoar (Polyvinylidene fluoride, PVDF) piezoelectric film.In other embodiments, piezoelectricity
The copolymer of film 30 or polylactic acid membrane (Poly (L-lactide), PLLA), vinylidene fluoride and trifluoro-ethylene
Transparent piezoelectrics materials such as (vinylidene fluoride-trifluoroethylene copolymer, PVDF-TrFE),
Some are not required in optically transparent embodiment, can use piezoelectric ceramics, composite piezoelectric material etc..
First conductive layer 40 is arranged between cover sheet 100 and piezoelectric membrane 30.In the present embodiment, first is conductive
Layer 40 is arranged on the side of the separate high resistant composite layer 20 of cover sheet 100, and piezoelectric membrane 30 is led with being provided with first
The cover sheet 100 of electric layer 40 is bonded together by transparent optical cement (not shown).Transparent optical cement includes polypropylene
Acids, silica type, glue class Optical transparent adhesive, for example, optical cement can be：Solid state optics glue (Optically Clear
Adhesive, OCA), liquid optical cement (Optical Clear Resin, OCR).In other embodiments, the first conductive layer
40 can also be arranged on the side of the close cover sheet 100 of piezoelectric membrane 30.
Referring to Fig. 5, the first conductive layer 40 includes a plurality of touch-control sensing electrode 41 and a plurality of first of spaced setting
Pressure sensitive electrode 42.Specifically, first pressure induction electrode 42 and the quantity of touch-control sensing electrode 41 are almost the same, arbitrary phase
One first pressure induction electrode 42 is set between two adjacent touch-control sensing electrodes 41.In the utility model embodiment,
It is in connect that the structure of touch-control sensing electrode 41 and first pressure induction electrode 42, which is along the projection perpendicular to 100 direction of cover sheet,
Continuous rectangle, and the extending direction of touch-control sensing electrode 41 and first pressure induction electrode 42 and two sides of cover sheet 100 are flat
Row it is vertical with another two sides, such as touch-control sensing electrode 41 and first pressure induction electrode 42 extending direction and cover sheet
100 two short sides are parallel, and vertical with two long sides.In other embodiments, touch-control sensing electrode 41 and first pressure
The structure of induction electrode 42 is that the projection along 100 direction of vertical cover sheet can also be in the diamond shape, hexagon, circle being connected with each other
The strip of the shapes such as shape, ellipse.First conductive layer 40 include silver nanowire, metal grill (metal mesh), carbon nanotube,
Graphene, conducting polymer such as PEDOT：PSS and its derivative, Zinc-oxide-based transparent conductive material, tin oxide class electrically conducting transparent
Any one or more formation in material, indium oxide transparent conductive material.First conductive layer 40 can pass through silk-screen printing
Or the mode that plating is set is arranged on cover sheet 10 or piezoelectric membrane 30.
Referring to Fig. 6, the second conductive layer 50 is arranged in the side far from the first conductive layer 40 of piezoelectric membrane 30.Second leads
Electric layer 50 includes spaced a plurality of multiplexing electrode 52, and multiplexing electrode 52 can be used as driving electrodes 54 and second pressure to incude
Electrode 56.
Every driving electrodes 54 are used to form first capacitance with a touch-control sensing electrode 41, and multiple first capacitances are used
In location information of the acquisition pressing on touch screen cover board 200.Every second pressure induction electrode 56 is used to press with one first
Power induction electrode 42 and piezoelectric membrane 30 collectively constitute a piezoelectric element, and (not shown, wherein piezoelectric element may include electricity
Hold), multiple piezoelectric elements are used to obtain pressing force information of the pressing on touch screen cover board 200.When piezoelectric membrane 30 because by
To pressing when deformation, the charge that 30 surface of piezoelectric membrane generates is in a coupled manner by first pressure induction electrode 42 and second
Pressure sensitive electrode 56 picks up, and then the piezoelectric element energy that first pressure induction electrode 42 and second pressure induction electrode 56 form
Enough pressing force informations for obtaining pressing on touch screen 100.Second conductive layer 50 includes silver nanowire, metal grill (metal
Mesh), carbon nanotube, graphene, conducting polymer such as PEDOT：PSS and its derivative, Zinc-oxide-based transparent conductive material,
Any one or more formation in tin oxide class transparent conductive material, indium oxide transparent conductive material.
The touch screen cover board 200 and cover sheet 100 of the utility model embodiment by being arranged high resistant on the substrate 10
Composite layer 20, when making finger close to cover sheet 100, high resistant composite layer 20 can reduce human body to 100 lower section of cover sheet
The telecommunications interference that electronic component generates.
The touch screen cover board 200 and cover sheet 100 of the utility model embodiment also have the advantages that：High resistant
The case hardness of composite layer 20, which is more than 4H, enables cover sheet 100 to have preferable Scratch Resistance.
Second, the resistance value of high resistant composite layer 20 is 105ohms/square-109Ohms/square makes one gymnastics and touches
When shielding cover board 200, high resistant composite layer 20 can reduce human body to first pressure induction electrode 42 and second pressure induction electrode 56
And telecommunications is interfered caused by the piezoelectric element that collectively constitutes of piezoelectric membrane 30.
Third, touch-control sensing electrode 41 and first pressure induction electrode 42 are arranged on the first conductive layer 40, are reduced
The quantity of conductive layer and the base material quantity for reducing support conductive layer, to reduce the integral thickness of touch screen cover board 200.At certain
In a little embodiments, a plurality of first pressure induction electrode 42 is arranged on the first conductive layer 40 and does not change touch-control sensing electrode
41 area and distribution.At this point, due to being not provided with other electrodes (such as dummy electrode shown in Figure 13 on the first conductive layer 40
43), thus the area of first pressure induction electrode 42 can be arranged larger, so the first induction electrode 44 can obtain it is larger
Pressing force signal, so as to promoted the first induction electrode 44 detect pressing force accuracy.
4th, multiplexing electrode 52 can not only be used as driving electrodes 54 but also second pressure induction electrode 56 can be used as to make second
The quantity of multiplexing electrode 52 in conductive layer 50 is more, therefore is multiplexed the first capacitance that electrode 52 is formed with touch-control sensing electrode 41
Quantity it is more, and the quantity for being multiplexed the piezoelectric element that electrode 52 and second pressure induction electrode 56 form is also more, so as to
It is enough to promote the precision for the location information that detection presses on touch screen cover board 200, and pressing can be promoted in touch screen cover board 200
On pressing force information precision.
Referring to Fig. 7, in some embodiments, in the above embodiment, when high resistant composite layer 20 is arranged in substrate 10
Close user side when, high resistant composite layer 20 may include resistive formation 22 and high surface hardness layer 24, resistive formation 22 and high table
Surface hardness layer 24 is sequentially overlapped setting on the substrate 10, will also say, resistive formation 22 and high surface hardness layer 24 form high resistant and answer
Close 20 integral structure of layer.Usually, resistive formation 22 can be arranged between substrate 10 and high surface hardness layer 24, that is to say, that
High surface hardness layer 24 is located at the outmost surface of cover sheet 100.High resistant composite layer 20 is by being arranged the high table in outmost surface
Surface hardness layer 24 enables cover sheet 100 to have preferable hardness and antiscratching properties.
Referring to Fig. 8, in some embodiments, in the above embodiment, when high resistant composite layer 20 is arranged in substrate 10
Close user side when, high resistant composite layer 20 may include resistive formation 22, high surface hardness layer 24 and isolation water layer 26, high resistant
Layer 22, isolation water layer 26 and high surface hardness layer 24 are sequentially overlapped setting on the substrate 10, that is to say, that resistive formation 22, high table
Surface hardness layer 24 and isolation water layer 26 form 20 integral structure of high resistant composite layer.Usually, the lamination order of cover sheet 100 can
To be followed successively by：High surface hardness layer 24, isolation water layer 26, resistive formation 22 and substrate 10.High resistant composite layer 20 is completely cut off by being arranged
Water layer 26 can completely cut off moisture content, avoid moisture content from entering resistive formation 22 and the resistance value of resistive formation 22 is caused to change simultaneously finally
High resistant composite layer 20 is caused to fail.High resistant composite layer 20 makes cover sheet by the high surface hardness layer 24 for being arranged in outmost surface
100 have preferable hardness and antiscratching properties energy.
Fig. 7 and Fig. 8 is please referred to, in some embodiments, the material of the resistive formation 22 of the above embodiment can be tool
There is the resin material of added material, specifically, high resistant composite layer 20 can be solid solution, and wherein resin material is solvent, addition
Material is solute.Resin material can be photosensitive resin (UV resins), and photosensitive resin can be UV unsaturated polyester (UP)s, UV epoxies
Acrylate, UV urethane acrylates, UV polyester acrylates, UV polyethers acrylic ester, UV pure acrylic resins, UV asphalt mixtures modified by epoxy resin
Any one or more in fat, UV silicone oligomers.Added material includes Polyglycolic acid fibre：Polystyrolsulfon acid
Any one or more in sodium, metal oxide particle, metal nanometer line.Specifically, resistive formation 22 is by resin material
The middle above-mentioned added material of addition can adjust the resistance value of resistive formation 22, so that the resistance value of high resistant composite layer 20 is 105ohms/
square-109Within the scope of ohms/square.
Fig. 7 and Fig. 8 is please referred to, in some embodiments, the high surface hardness layer 24 of the above embodiment includes dioxy
The coating material or hardening coat material of SiClx, that is, high surface hardness layer 24 can be coating material or the hardening of silica
Coating material.For example, high surface hardness layer 24 can only include silica coating material without including hardening coat material；
Alternatively, high surface hardness layer 24 can also be only including hardening coat material without the coating material including silica.Titanium dioxide
The coating material and hardening coat material of silicon all have higher hardness, therefore by the coating material or hardening coat of silica
High surface hardness layer 24 made of material has higher hardness.
Referring to Fig. 8, in some embodiments, the isolation water layer 26 of the above embodiment includes the coating of silica
Material, silicon nitride coating material and include silica and silicon nitride coating material in any one.Silica
And silicon nitride can form fine and close coating, and the coating is not reacted with hydrone, oxygen molecule, thus completely cutting off water layer 26 can
It prevents hydrone, oxygen molecule from passing through, avoids moisture content from entering resistive formation 22 and the resistance value of resistive formation 22 is caused to change and most
High resistant composite layer 20 is caused to fail eventually.
Referring to Fig. 9, in some embodiments, the touch screen cover board 200 of the above embodiment further includes the first base material
60.The first base material 60 is arranged between piezoelectric membrane 30 and cover sheet 100, and the first conductive layer 40 is arranged in the first base material 60
Close to the side of piezoelectric membrane 30.Specifically, the first conductive layer 40 is arranged in the first base material 60, is provided with the first conductive layer 40
The first base material 60 can be bonded together by optical cement with cover sheet 100, be provided with the first base of the first conductive layer 40
Material 60 can also be bonded together with piezoelectric membrane 30 by optical cement, and the second conductive layer 50 is arranged in the separate of piezoelectric membrane 30
On the side of cover sheet 100.In other embodiments, referring to Fig. 10, the first base material 60 of the above embodiment also may be used
To be arranged in the side of the separate cover sheet 100 of piezoelectric membrane 30, the second conductive layer 50 is arranged in the close of the first base material 60
The side of piezoelectric membrane 30.Specifically, the second conductive layer 50 is arranged in the first base material 60, is provided with the second conductive layer 50
The first base material 60 can be bonded together with cover sheet 100 by optical cement.The material of the first base material 60 include glass, PI,
Any one or more in PMMA, PC, PET, COP.The touch screen cover board 200 of present embodiment is by being arranged the first base material 60
Convenient for being fabricated into the first base material 60 by the first conductive layer 40 or by the second conductive layer 50, consequently facilitating making touch screen cover board
200。
1 is please referred to Fig.1, in some embodiments, the touch screen cover board 200 of the above embodiment includes the first base material
60 and second base material 70, the first base material 60 be arranged between piezoelectric membrane 30 and cover sheet 100, the setting of the first conductive layer 40
In the side of the close piezoelectric membrane 30 of the first base material 60, the separate cover sheet in piezoelectric membrane 30 is arranged in the second base material 70
100 side, the second conductive layer 50 are arranged in the side of the close piezoelectric membrane 30 of the second base material 70.The first base material 60 and second
The material of base material 70 may each comprise any one or more in glass, PI, PMMA, PC, PET, COP.Present embodiment is touched
Screen cover board 200 is touched by the way that the first base material 60 and the second base material 70 is arranged, convenient for the first conductive layer 40 is fabricated into the first base material 60
Above and convenient for the second conductive layer 50 to be fabricated on the second base material 70, consequently facilitating making touch screen cover board 200.
2 are please referred to Fig.1, in some embodiments, the first conductive layer 40 of the above embodiment includes spaced sets
The a plurality of touch-control sensing electrode 41 and a plurality of first pressure induction electrode 42 set.Second conductive layer 50 includes spaced a plurality of
Driving electrodes 54 and a plurality of second pressure induction electrode 56, driving electrodes 54 are used to form the first capacitance with touch-control sensing electrode 41
And for obtaining location information of the pressing on touch screen cover board 200, second pressure induction electrode 56 is used for and first pressure sense
Electrode 42 is answered to form piezoelectric element and for obtaining pressing force information of the pressing on touch screen cover board 200.Second conductive layer 50
Including driving electrodes 54 and second pressure induction electrode 56, driving electrodes 54 is made to can make up the first electricity with touch-control sensing electrode 41
Hold, and second pressure induction electrode 56 collectively constitutes piezoelectric element with first pressure induction electrode 42 and piezoelectric membrane 30, to
Make the first capacitance for obtaining location information of the pressing on touch screen cover board 200, and make piezoelectric element for obtain press and exist
Pressing force information on touch screen cover board 200 can be carried out at the same time.
3 are please referred to Fig.1, in some embodiments, the first conductive layer 40 of the above embodiment further includes a plurality of illusory
Electrode 43, every dummy electrode 43 are arranged in arbitrary two adjacent touch-control sensing electrodes 41 and first pressure induction electrode 42
Between, dummy electrode 43 is used to reduce the touch-control sensing electrode 41 and first pressure induction electrode 42 positioned at 43 both sides of dummy electrode
Between the electrical interference that generates.
Dummy electrode 43 is made of spaced rectangular electrode block 432, and every dummy electrode 43 is located at void for shielding
If the electrical interference (signal interference) generated between the touch-control sensing electrode 41 and first pressure induction electrode 42 of 43 both sides of electrode,
To improve the accuracy of detection of the first capacitance and the accuracy of detection of piezoelectric element.In other embodiments, electrode block 432
It can assume diamond in shape, the other shapes such as hexagon, circle, ellipse.
4 are please referred to Fig.1, in some embodiments, the touch screen cover board 200 of the above embodiment includes processor 80
And the circuit 90 being electrically connected with processor 80, processor 80 are electrically connected for control circuit 90 with a plurality of touch-control sensing electrode 41,
And control circuit 90 is electrically connected with a plurality of multiplexing electrode 52, at this point, multiplexing electrode 52 is used to use as driving electrodes 54, multiplexing
Electrode 52 forms the first capacitance and the location information for obtaining with touch-control sensing electrode 41.Processor 80 is additionally operable to control circuit
90 with first pressure induction electrode 42 and multiplexing electrode 52 be electrically connected and control circuit 90 be multiplexed electrode 52 connect, at this point, answer
Electrode 52 is used to be used as second pressure induction electrode 56, multiplexing electrode 52 forms piezoelectric element simultaneously with first pressure induction electrode
Force information is pressed for obtaining.
The work of the control multiplexing electrode 52 of processor 90, so that multiplexing electrode 52 is can be not only used for test position information can use again
Force information is pressed in detection, that is to say, that one side processor 90 can control multiplexing electrode 52 can be as position detection
Driving electrodes 54, another aspect processor 90 can also control multiplexing electrode 52 can be as the second pressure induced electricity of piezoelectric element
Pole 56.Therefore ensure that touch screen cover board 200 can accurately test location information of the pressing on touch screen cover board 200 and
The accurate pressure size for obtaining pressing on touch screen cover board 200.
Referring to Fig. 5, in some embodiments, the first conductive layer 40 of the above embodiment includes first electrode lead
44, second electrode lead 45, third contact conductor 46, the 4th contact conductor 47, the first side 401, the second side 402, first area
403 and second area 404.First side 401 is located at the both ends of touch-control sensing electrode 41 with the second side 402.First area 403
And a plurality of touch-control sensing electrode 41 and a plurality of first pressure induction electrode 42 are divided into two parts by second area 404.First electrode
The touch-control sensing electrode 41 that one end of lead 44 is located at the first side 401 of first area 403 and is electrically connected in first area 403.
The touch-control sense that one end of second electrode lead 45 is located at the second side 402 of second area 404 and is electrically connected in second area 404
Answer electrode 41.One end of third contact conductor 46 is located at the first side 401 of second area 404 and is electrically connected in second area 404
First pressure induction electrode 42.One end of 4th contact conductor 47 is located at the second side 402 of first area 403 and is electrically connected the
First pressure induction electrode 42 in one region 403.
Specifically, the quantity of first electrode lead 44 and the quantity of second electrode lead 45 are a plurality of, and first electrode is drawn
The sum of the quantity of line 44 and the quantity of second electrode lead 45 are equal to the quantity of touch-control sensing electrode 41, and every first electrode is drawn
Line 44 connects a touch-control sensing electrode 41, and every second electrode lead 45 connects a touch-control sensing electrode 41.Third electrode
The quantity of lead 46 and the quantity of the 4th contact conductor 47 are one article.A plurality of first electrode lead 44 is from the first conductive layer 40
The first side 401 draw, a plurality of second electrode lead 45 from the second side 402 of the first conductive layer 40 draw, avoid a plurality of first
Contact conductor 44 and a plurality of second electrode lead 45 are drawn from the first side 401 of induction electrode 34 or the second side 402 and are caused
The width of first side 401 or the second side 402 is larger, consequently facilitating realizing the narrow frame design of touch control display apparatus 100.Certain
In embodiment, the quantity of first electrode lead 44 is equal with the quantity of second electrode lead 45, in this way, the first side 401 and
The width of two sides 402 is of substantially equal, and then the first conductive layer 40 has preferable narrow frame effect.In some embodiments,
The quantity of third contact conductor 46 and the quantity of the 4th contact conductor 47 can be a plurality of.In some embodiments, it first leads
Electric layer 40 can be divided into three regions, four regions or any number of regions, be located at the electricity of the first side 401 of the first conductive layer 40
Pole lead is correspondingly connected with touch-control sensing electrode 41, and the touch-control sensing electrode in the second side 402 of the first conductive layer 40
41 are correspondingly connected with contact conductor.
In the description of this specification, reference term " certain embodiments ", " embodiment ", " some embodiment party
The description of formula ", " exemplary embodiment ", " example ", " specific example " or " some examples " etc. means in conjunction with the embodiment party
Formula or example particular features, structures, materials, or characteristics described be contained in the utility model at least one embodiment or
In example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or example.And
And particular features, structures, materials, or characteristics described can be in any one or more embodiments or example to close
Suitable mode combines.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-mentioned embodiment party
Formula is exemplary, and should not be understood as limiting the present invention, and those skilled in the art are in the utility model
The above embodiment can be changed, be changed in range, replaced and modification, the scope of the utility model by claim and
Its equivalent limits.
Claims (12)
1. a kind of cover sheet, which is characterized in that including：
Substrate；And
Transparent high resistant composite layer, on the substrate, the high resistant composite layer includes resistive formation for the high resistant composite layer setting
With high surface hardness layer, the resistive formation is sequentially overlapped setting, the resistance value of the high resistant composite layer with the high surface hardness layer
It is 105ohms/square-109ohms/square。
2. cover sheet according to claim 1, which is characterized in that the high resistant composite layer further includes isolation water layer, institute
It states resistive formation, the isolation water layer and the high surface hardness layer and is sequentially overlapped setting on the substrate.
3. cover sheet according to claim 1, which is characterized in that the high surface hardness layer includes hardening coat material
Or the coating material of silica.
4. cover sheet according to claim 2, which is characterized in that the isolation water layer includes the coating material of silica
The coating material of material or silicon nitride.
5. a kind of touch screen cover board, which is characterized in that including：
Cover sheet described in claim 1-4 any one；
Piezoelectric membrane, the piezoelectric membrane are arranged in the side far from the high resistant composite layer of the cover sheet；
First conductive layer, first conductive layer are arranged between the cover sheet and the piezoelectric membrane；With
Second conductive layer, second conductive layer are arranged in the side far from first conductive layer of the piezoelectric membrane.
6. touch screen cover board according to claim 5, which is characterized in that the touch screen cover board further includes the first base material；
The first base material is arranged between the piezoelectric membrane and the cover sheet, and first conductive layer is arranged described
The side of the close piezoelectric membrane of the first base material；Or
The first base material is arranged in the side far from the cover sheet of the piezoelectric membrane, the second conductive layer setting
In the first base material close to the side of the piezoelectric membrane.
7. touch screen cover board according to claim 5, which is characterized in that the touch screen cover board includes the first base material and
Two base materials, the first base material are arranged between the piezoelectric membrane and the cover sheet, and the first conductive layer setting exists
The side of the close piezoelectric membrane of the first base material, second base material are arranged in the piezoelectric membrane far from described
The side of cover sheet, second conductive layer are arranged in second base material close to the side of the piezoelectric membrane.
8. touch screen cover board according to claim 5, which is characterized in that first conductive layer includes spaced setting
A plurality of touch-control sensing electrode and a plurality of first pressure induction electrode；
Second conductive layer includes spaced a plurality of multiplexing electrode, and the multiplexing electrode can be used as driving electrodes and the
Two pressure sensitive electrodes, the driving electrodes are used to form the first capacitance with the touch-control sensing electrode and exist for obtaining pressing
Location information on the touch screen cover board, the second pressure induction electrode are used for and the first pressure induction electrode and institute
It states piezoelectric membrane and collectively constitutes piezoelectric element and for obtaining pressing force information of the pressing on the touch screen cover board.
9. touch screen cover board according to claim 5, which is characterized in that first conductive layer includes spaced setting
A plurality of touch-control sensing electrode and a plurality of first pressure induction electrode；
Second conductive layer includes spaced a plurality of driving electrodes and a plurality of second pressure induction electrode, the driving electricity
Pole is used to form the first capacitance with the touch-control sensing electrode and believe for obtaining position of the pressing on the touch screen cover board
Breath, the second pressure induction electrode are used to collectively constitute piezoelectricity member with the first pressure induction electrode and the piezoelectric membrane
Part is simultaneously used to obtain pressing force information of the pressing on the touch screen cover board.
10. touch screen cover board according to claim 8 or claim 9, which is characterized in that the first conductive layer further includes a plurality of illusory electricity
Pole, every dummy electrode are arranged in the arbitrary two adjacent touch-control sensing electrodes and the first pressure induction electrode
Between, the dummy electrode is used to reduce the touch-control sensing electrode and the first pressure positioned at the dummy electrode both sides
The electrical interference generated between induction electrode.
11. touch screen cover board as claimed in claim 8 or 9, which is characterized in that the touch screen cover board include processor and with
The circuit of the processor electrical connection, the processor are electrically connected for controlling the circuit with a plurality of touch-control sensing electrode
And the control circuit is electrically connected with a plurality of multiplexing electrode, so that the multiplexing electrode is formed with the touch-control sensing electrode
First capacitance and the location information for being used for acquisition；And
The processor be additionally operable to control the circuit and the first pressure induction electrode be electrically connected and control the circuit with
The multiplexing electrode electrical connection, so that the multiplexing electrode and the first pressure induction electrode and common group of the piezoelectric membrane
At the piezoelectric element and for obtaining the pressing force information.
12. touch screen cover board as claimed in claim 8 or 9, which is characterized in that first conductive layer includes the first side, the
Two sides, first electrode lead, second electrode lead, third contact conductor, the 4th contact conductor, first area and second area,
First side is located at the both ends of the touch-control sensing electrode, the first area and secondth area with the second side
The a plurality of touch-control sensing electrode and a plurality of first pressure induction electrode are divided into two parts by domain；
One end of the first electrode lead is located at first side of the first area and is electrically connected the touch-control sensing electricity
Pole；One end of the second electrode lead is located at the second side of the second area and is electrically connected the touch-control sensing electricity
Pole；One end of the third contact conductor is located at first side of the second area and is electrically connected the first pressure induction
Electrode；One end of 4th contact conductor is located at the second side of the first area and is electrically connected the first pressure sense
Answer electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720959724.8U CN207764755U (en) | 2017-08-02 | 2017-08-02 | Cover sheet and touch screen cover board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720959724.8U CN207764755U (en) | 2017-08-02 | 2017-08-02 | Cover sheet and touch screen cover board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207764755U true CN207764755U (en) | 2018-08-24 |
Family
ID=63177892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720959724.8U Active CN207764755U (en) | 2017-08-02 | 2017-08-02 | Cover sheet and touch screen cover board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207764755U (en) |
-
2017
- 2017-08-02 CN CN201720959724.8U patent/CN207764755U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20210427 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Patentee after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: HUANGJIAHU Economic Development Zone, Jiangxi province Nanchang City Road 330013 Patentee before: Nanchang OFilm Tech. Co.,Ltd. |
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| TR01 | Transfer of patent right |