CN108874255A - Array substrate and display device - Google Patents
Array substrate and display device Download PDFInfo
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- CN108874255A CN108874255A CN201810695472.1A CN201810695472A CN108874255A CN 108874255 A CN108874255 A CN 108874255A CN 201810695472 A CN201810695472 A CN 201810695472A CN 108874255 A CN108874255 A CN 108874255A
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- 239000000758 substrate Substances 0.000 title claims abstract description 50
- 230000003447 ipsilateral effect Effects 0.000 claims description 9
- 239000004973 liquid crystal related substance Substances 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 abstract description 22
- 238000010586 diagram Methods 0.000 description 17
- 230000005672 electromagnetic field Effects 0.000 description 9
- 230000005611 electricity Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 241001422033 Thestylus Species 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses an array substrate and a display device, wherein the array substrate comprises a plurality of first inductance coils and a plurality of second inductance coils which extend along a first direction, the first inductance coils and the second inductance coils are arranged along a second direction, and the first direction is intersected with the second direction; along the second direction, the widths of all the first inductance coils are the same, and the width of the second inductance coil is smaller than that of the first inductance coil; the first inductance coils are mutually overlapped along the second direction, and comprise two first side inductance coils positioned at the outermost two sides along the second direction, and at least one second inductance coil is arranged in an area surrounded by the first side inductance coils. According to the technical scheme, the inductance touch sensitivity of the area corresponding to the first side inductance coil is improved, and the requirement on the size of the display device is reduced while the space occupied by the inductance coil is not influenced.
Description
Technical field
The present embodiments relate to field of display technology more particularly to a kind of array substrates and display device.
Background technique
According to the difference of working principle, touch screen can be divided into electric resistance touch screen, capacitance touch screen and electromagnetic touch screen
Deng can directly being operated with hand for, electric resistance touch screen and capacitance touch screen, it can be difficult to the touch of opponent and pen carries out accurate area
Point, therefore electromagnetic touch screen comes into being.It is typically provided with inductance coil in electromagnetic touch screen, resonance electricity is provided in time writer
Road, time writer move in electromagnetic touch screen, and the excitation of electromagnetic wave that the resonance circuit in time writer is sent by inductance coil issues
Electromagnetic signal, inductance coil generate the driving core that induced current is sent in electromagnetic touch screen according to the electromagnetic signal received
Piece, driving chip judge the position of time writer touch-control electromagnetic touch screen according to the induced current received.
Display device includes central area and the avris region around central area, more in the central area of display device
A inductance coil is mutually overlapping, and time writer has the variation that more inductance coil perceives electromagnetic field in certain point touch-control, generates
Stronger induced current is easy to be identified by driving chip to determine position of touch.But in the avris region of display device, inductance
Coil count is less and overlapping without inductance coil, only has considerably less inductance coil can in the accuracy rating of time writer touch-control
The variation of electromagnetic field is experienced, fainter induced current is generated, leads to the inductance touch-control sensitivity in display device avris region
It is very low, or even do not have inductance touch function.
Summary of the invention
In view of this, the present invention provides a kind of array substrate and display device, the first side is increased compared with the existing technology
The quantity of the inductance coil of side inductance coil corresponding region improves the inductance touch-control spirit of the first avris inductance coil corresponding region
Sensitivity.In addition, relative to there are the second inductance coils of part to be located at outside the first avris inductance coil area defined, in not shadow
Ring the requirement reduced while inductance coil occupies display device space to sized display.
In a first aspect, the embodiment of the invention provides a kind of array substrates, including：
Multiple first inductance coils and multiple second inductance coils extended in a first direction, first inductance coil and
Second inductance coil is arranged in a second direction, and the first direction intersects with the second direction；
Along the second direction, of same size, the width of second inductance coil of all first inductance coils
Less than the width of first inductance coil；
First inductance coil mutually overlaps mutually along the second direction, along the second direction, first inductor wire
Circle includes two the first avris inductance coils positioned at outermost two sides, is set in the region that the first avris inductance coil is encircled a city
It is equipped at least one described second inductance coil.
Second aspect, the embodiment of the invention also provides a kind of display devices including array substrate described in first aspect.
The embodiment of the invention provides a kind of array substrate and display device, array substrate includes extending in a first direction
Multiple first inductance coils and multiple second inductance coils, the first inductance coil and the second inductance coil are arranged in a second direction,
First direction intersects with second direction.In a second direction, all first inductance coils is of same size, and the first inductance coil is along
Two directions are mutually overlapped mutually, and width of the width less than the first inductance coil of the second inductance coil are arranged, and in a second direction, and first
Inductance coil includes two the first avris inductance coils positioned at outermost two sides.It is encircled a city by the way that the first avris inductance coil is arranged
Region in be provided at least one second inductance coil, increase the first avris inductance coil compared with the existing technology and correspond to area
The quantity of the inductance coil in domain, the quantity for avoiding the inductance coil of the first avris inductance coil corresponding region very few lead to the area
The problem of domain inductance touch-control sensitivity, improves the inductance touch-control sensitivity of the first avris inductance coil corresponding region, it is ensured that aobvious
The realization of first avris inductance coil corresponding region inductance touch function of showing device.In addition, the second inductance coil is set to
In first avris inductance coil area defined so that the setting of the second inductance coil do not influence the first inductance coil occupy it is aobvious
The space of showing device, relative to there are the second inductance coils of part to be located at outside the first avris inductance coil area defined, drop
The low requirement to sized display.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is a kind of the schematic diagram of the section structure of array substrate provided in an embodiment of the present invention；
Fig. 2 is the plan structure signal of another array substrate provided in an embodiment of the present invention；
Fig. 3 is the plan structure signal of another array substrate provided in an embodiment of the present invention；
Fig. 4 is the plan structure signal of another array substrate provided in an embodiment of the present invention；
Fig. 5 is the plan structure signal of another array substrate provided in an embodiment of the present invention；
Fig. 6 is the plan structure signal of another array substrate provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of time writer provided in an embodiment of the present invention；
Fig. 8 is the overlooking structure diagram of another array substrate provided in an embodiment of the present invention；
Fig. 9 is the schematic diagram of the section structure in the direction BB ' along Fig. 8；
Figure 10 is the overlooking structure diagram of another array substrate provided in an embodiment of the present invention；
Figure 11 is the overlooking structure diagram of another array substrate provided in an embodiment of the present invention；
Figure 12 is the schematic diagram of the section structure in the direction DD ' along Figure 11；
Figure 13 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.It is same or similar in this specification
Drawing reference numeral represent the same or similar structure, element or process.It should be noted that in the absence of conflict, this Shen
Please in embodiment and embodiment in feature can be combined with each other.
The embodiment of the invention provides a kind of array substrate, array substrate includes multiple first electricity extended in a first direction
Sense coil and multiple second inductance coils, the first inductance coil and the second inductance coil arrange in a second direction, first direction with
Second direction intersection.In a second direction, all first inductance coils is of same size, and the width of the second inductance coil is less than first
The width of inductance coil.First inductance coil mutually overlaps mutually in a second direction, and in a second direction, the first inductance coil includes being located at
Two the first avris inductance coils of outermost two sides, be provided in the region that the first avris inductance coil is encircled a city at least one
Two inductance coils.
Display device includes central area and the avris region around central area, more in the central area of display device
A inductance coil is mutually overlapping, and time writer has the variation that more inductance coil perceives electromagnetic field in certain point touch-control, generates
Stronger induced current is easy to be identified by driving chip to determine position of touch.But in the avris region of display device, inductance
Coil count is less and overlapping without inductance coil, only has considerably less inductance coil can in the accuracy rating of time writer touch-control
The variation of electromagnetic field is experienced, fainter induced current is generated, leads to the inductance touch-control sensitivity in display device avris region
It is very low, or even do not have inductance touch function.
Array substrate provided in an embodiment of the present invention includes multiple first inductance coils extended in a first direction and multiple
Second inductance coil, the first inductance coil and the second inductance coil are arranged in a second direction, and first direction intersects with second direction.
In a second direction, all first inductance coils is of same size, and the first inductance coil mutually overlaps mutually in a second direction, setting second
The width of inductance coil is less than the width of the first inductance coil, and in a second direction, the first inductance coil includes being located at outermost two
Two the first avris inductance coils of side.At least one is provided with by being arranged in the region that the first avris inductance coil is encircled a city
Second inductance coil increases the quantity of the inductance coil of the first avris inductance coil corresponding region compared with the existing technology, keeps away
The quantity for having exempted from the inductance coil of the first avris inductance coil corresponding region very few leads to asking for the region inductance touch-control sensitivity
Topic, improves the inductance touch-control sensitivity of the first avris inductance coil corresponding region, it is ensured that the first avris inductance of display device
The realization of coil corresponding region inductance touch function.It is enclosed in addition, the second inductance coil is set to the first avris inductance coil
At region in so that the setting of the second inductance coil does not influence the space that the first inductance coil occupies display device, relative to
There are the second inductance coils of part to be located at outside the first avris inductance coil area defined, reduces to sized display
It is required that.
It is core of the invention thought above, following will be combined with the drawings in the embodiments of the present invention, to the embodiment of the present invention
In technical solution be clearly and completely described.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Under the premise of making creative work, every other embodiment obtained be shall fall within the protection scope of the present invention.
Fig. 1 is a kind of the schematic diagram of the section structure of array substrate provided in an embodiment of the present invention.As shown in Figure 1, array base
Plate includes multiple first inductance coils 1 and multiple second inductance coils 2 extended along first direction YY, Fig. 1 illustratively overstriking
Second inductance coil 2 is to distinguish the first inductance coil 1 and the second inductance coil 2, the first inductance coil 1 and the second inductance coil 2
XX arranges in a second direction, and first direction YY intersects with second direction XX, and first direction YY and second is illustratively arranged here
Direction XX is mutually perpendicular to, and first direction YY is vertical direction.Inductance coil extends along first direction YY, and XX is arranged in a second direction
Cloth refers to that inductance coil is greater than the width of inductance coil XX in a second direction along the width of first direction YY, such as electricity can be set
Feel 5 times that coil is greater than inductance coil XX width in a second direction along the width of first direction YY.
XX in a second direction, the of same size of all first inductance coils 1 is a, it should be noted that by process conditions
The width for influencing the first inductance coil 1 XX in a second direction can not be identical, and the first inductance coil 1 mentioned herein is along
The width approximation phase of same size for referring in technique allowed band the first inductance coil 1 XX in a second direction of two direction XX
Deng.XX is mutually overlapping in a second direction for first inductance coil 1, in a second direction XX, and the first inductance coil 1 includes being located at outermost two
Two the first avris inductance coils 10 of side, can be set the second inductance coil 2 in a second direction XX width b less than first electricity
Feel the width a of the XX in a second direction of coil 1, and be provided in 10 area defined of the first avris inductance coil at least one the
Two inductance coils 2, Fig. 1, which is illustratively arranged in 10 area defined of the first avris inductance coil, is provided with second inductance
Coil 2.
Illustratively, the driving chip in Fig. 1 in one end and display device of the first inductance coil can be set (in Fig. 1
Be not shown) corresponding ports electrical connection, the other end is electrically connected with ground terminal, resonance circuit is provided in time writer, time writer exists
It being moved in display device, the excitation of electromagnetic wave that the resonance circuit in time writer is sent by the first inductance coil issues electromagnetic signal,
First inductance coil generates the corresponding ports that induced current is sent to driving chip, driving chip according to the electromagnetic signal received
The coordinate of time writer position of touch XX in a second direction is judged according to the induced current received.Second inductance coil, 2 edge is set
Width a of the width b of second direction XX less than the first inductance coil 1 XX in a second direction, and 10 institute of the first avris inductance coil
It is provided at least one second inductance coil 2 in the region surrounded, increases the first avris inductance coil compared with the existing technology
The quantity of the inductance coil of 10 corresponding regions avoids the quantity mistake of the inductance coil of 10 corresponding region of the first avris inductance coil
The problem of inductance touch-control sensitivity in the region caused by few, improves the inductance touching of 10 corresponding region of the first avris inductance coil
Control sensitivity.In addition, the second inductance coil 2 is set in 10 area defined of the first avris inductance coil, the second inductance
The space that the setting of coil 2 occupies display device to the first inductance coil 1 does not influence, relative to there are the second inductor wires of part
Circle 2 is located at outside 10 area defined of the first avris inductance coil, occupies the same of display device space not influencing inductance coil
When, reduce the requirement to sized display.
Optionally, as shown in Figure 1, array substrate include viewing area AA and around viewing area AA setting non-display area NAA,
XX in a second direction can be set the first avris inductance coil 10 and be located in the AA of viewing area.Specifically, the first avris inductance of setting
Coil 10 is located in the AA of viewing area, is located at non-display area NAA relative at least partly the first avris inductance coil 10, avoids portion
The space that point the first avris inductance coil 10 occupies display device non-display area NAA leads to the non-display area NAA ruler of display device
The problem of very little increase, is conducive to display device and realizes narrow frame.In addition, the second inductance coil 2 is set to the first avris inductance
In 10 area defined of coil, surrounded relative to the first avris inductance coil 10 is located at there are the second inductance coil of part 2
Region outside, further reduced the probability that at least partly the second inductance coil 2 is located at the non-display area NAA of display device, together
Sample is conducive to display device and realizes narrow frame.
Optionally, as shown in Figure 1, XX in a second direction can be set, the second inductance coil 2 and the first inductance coil 1 are not
It is overlapping.Specifically, XX is mutually overlapping in a second direction for the first inductance coil 1, therefore the first avris inductance coil 10 is surrounded
There are the first inductance coils of part 1 inside region, if the second inductance coil of part 2 is set in the region c1 in Fig. 1, second
Inductance coil 2 and the first inductance coil 1 are overlapping, so that the setting of the second inductance coil 2 changes inductance coil in the c1 of region
The setting of density, i.e. the second inductance coil 2 affects the inductance touch-control sensitivity of region c1.
Optionally, as shown in Figure 1, first inductance coil 1 include along the first direction XX setting extension,
Along the second direction YY, the extension includes positioned at two the first extensions 11 of outermost two sides and except described the
The second extension 12 except one extension 11, second inductance coil 2 include being arranged along the first direction XX
Third extension 21.The spacing that can be set between the second direction XX, adjacent second extension 12 is impartial
Between the adjacent third extension 21 that the first space D 1, the corresponding same first avris inductance coil 10 are arranged
Spacing is equal to the second space D 2, and the spacing between adjacent first extension 11 and the third extension 21 is equal
Equal to third space D 3, the spacing between adjacent second extension 12 and the third extension 21 is equal to
First space D 1 and second space D 1, the third space D 2 and the 4th space D 4 is arranged in four space Ds 4
It is equal.
Specifically, as shown in Figure 1, by the way that first space D 1 and second space D 2, the third spacing is arranged
D3 and the 4th space D 4 are equal, so that XX in a second direction, inductance coil is between part that first direction YY extends etc.
Away from setting, for the touch-control pen tip 51 of the time writer of same size, there is the inductor wire of identical quantity in any position of time writer touch-control
Circle can experience the variation of electromagnetic field, generation it is faradic equal in magnitude, increasing by the first side compared with the existing technology
The quantity of the inductance coil of 10 corresponding region of side inductance coil improves the inductance touching of 10 corresponding region of the first avris inductance coil
Control sensitivity while, improve inductance coil along the part that first direction YY extends in a second direction XX arrange homogeneity,
And then improve the homogeneity that display device carries out inductance touch-control.
Optionally, as shown in Figure 1, can be set along the second direction XX, first extension 11 with it is corresponding
Spacing between second avris extension 121 is equal to 2n+1 times of first space D 1, and second avris extends
Part 121 is with corresponding first extension 11 apart from nearest second extension 12, corresponding one described the
The quantity of second inductance coil 2 of one avris inductance coil 10 setting is n, and second inductance coil 2 is along described second
The width of direction XX is equal to m times of first space D 1；Wherein, m and n is positive integer.XX in a second direction, Fig. 1 example
Property space D 5 between first extension 11 and corresponding second avris extension 121 be set be equal to 3 times
The first space D 1, i.e. n be equal to 1, then correspond to one first avris inductance coil 10 setting the second inductance coil 2, that is, be located at one
The quantity of the second inductance coil 2 in first avris inductance coil, 10 area defined is 1, for make first space D 1 with
Second space D 1, the third space D 2 and the 4th space D 4 are equal, the second inductance coil 2 XX in a second direction
Width b be equal to the first space D 1, i.e. m be equal to 1.
It should be noted that Fig. 1 is only the width a that all first inductance coils 1 XX in a second direction is illustratively arranged
For 4D1, and the space D 5 between first extension 11 and corresponding second avris extension 121 is equal to 3D1,
Also can be set all first inductance coils 1 in a second direction XX width a be 5D1, and first extension 11 with it is right
The space D 5 between second avris extension 121 answered equally is equal to 3D1, as shown in Fig. 2, correspondence equally can be set
The quantity of second inductance coil 2 of one first avris inductance coil 10 setting is 1, to make first space D 1 and described second
Space D 1, the third space D 2 and the 4th space D 4 are equal, the width etc. of the second inductance coil 2 XX in a second direction
It is equal to 1 in D1, i.e. m.For the spacing between first extension 11 and corresponding second avris extension 121
D5 be equal to 3D1 the case where, it is ensured that all first inductance coils 1 in a second direction XX width a be equal to integral multiple the first spacing
The width a of D1 and the first inductance coil 1 XX in a second direction are more than or equal to 3D1, and the embodiment of the present invention is to the first inductor wire
The width a of 1 XX in a second direction of circle is not construed as limiting.
Fig. 3 is the overlooking structure diagram of another array substrate provided in an embodiment of the present invention.As shown in figure 3, example
Property XX in a second direction is set, between first extension 11 and corresponding second avris extension 121
Space D 5 is equal to 7D1, i.e. n is equal to 3, then the quantity for corresponding to the second inductance coil 2 of one first avris inductance coil 10 setting is
3, can be set the second inductance coil 2 in a second direction XX width be equal to D1, i.e. m be equal to 1, can equally make in a second direction
XX, the part spaced set that inductance coil extends along first direction YY, for the touch-control pen tip 51 of the time writer of same size, electricity
The variation that any position of magnetic pen touch-control has the inductance coil of identical quantity that can experience electromagnetic field, generation it is faradic
It is equal in magnitude, the inductance touch-control sensitivity of 10 corresponding region of the first avris inductance coil is being improved relative to existing, technology
Meanwhile inductance coil is improved along the part that first direction YY the extends homogeneity that XX is arranged in a second direction, and then improve
The homogeneity of display device progress inductance touch-control.
Illustratively, between first extension 11 and corresponding second avris extension 121
Space D 5 is equal to the case where 7D1, can also have set-up mode shown in fig. 4 to fig. 6, can make XX in a second direction, inductance
The part spaced set that coil extends along first direction YY, to improve inductance coil along the part that first direction YY extends along
The homogeneity of two direction XX arrangement, and then improve the homogeneity that display device carries out inductance touch-control.
Illustratively, referring to Fig. 3 and Fig. 4, the width b of the second inductance coil 2 XX in a second direction can be equal, such as
The width b of the second inductance coil 2 XX in a second direction is equal to D1 and three the second inductance coil 2 XX in a second direction in Fig. 3
It is non-overlapping.Such as the width b of the second inductance coil 2 XX in a second direction is equal to 3D1 and three the second inductance in Fig. 4
XX is mutually overlapping two-by-two in a second direction for coil 2.Referring to figure 5 and figure 6, the width of different second inductance coils 2 XX in a second direction
Spending b can also be not exactly the same, such as Fig. 5, and the width b of three the second inductance coils 2 XX in a second direction is respectively D1,2D1
And 2D1, and XX in a second direction, the second inductance coil 21 are not handed over the second inductance coil 22 and the second inductance coil 23
Folded, the second inductance coil 22 and the second inductance coil 23 are mutually overlapping.Or as shown in fig. 6, three the second inductance coils 2 along
The width of two direction XX is respectively 4D1,4D1 and D1, and XX in a second direction, the second inductance coil 23 and the second inductance coil 21
And second inductance coil 22 do not overlap, the second inductance coil 21 and the second inductance coil 22 are mutually overlapping.
Space D 5 between first extension 11 and corresponding second avris extension 121 is equal to 2n+1
Times the first space D 1 when, be referred to Fig. 1 corresponding one first avris inductance coil 10 be arranged to set-up mode shown in fig. 6 to set
The friendship of the quantity for the second inductance coil 2 set, the second inductance coil 2 width of XX and the second inductance coil 2 in a second direction
Folded mode, so that XX in a second direction, the part spaced set that inductance coil extends along first direction YY, to improve inductor wire
It encloses along the part that first direction YY the extends homogeneity that XX is arranged in a second direction, and then improves display device and carry out inductance touch-control
Homogeneity, the embodiment of the present invention is overlapping to the second inductance coil 2 width of XX and the second inductance coil 2 in a second direction
Mode is not construed as limiting.
Optionally, in a second direction, the ipsilateral of the edge of viewing area and corresponding first avris inductance coil can be set
The distance between edge is less than or equal to the touch-control pen tip of time writer along perpendicular to distance on the cross section of time writer extending direction
The distance between farthest two o'clock.Specifically, as shown in Figure 1, XX, the edge e1 of viewing area AA correspond to the first side in a second direction
Side inductance coil 101, the corresponding first avris inductance coil 102 of the edge e2 of viewing area AA, XX, is arranged viewing area in a second direction
The distance between the edge of AA and ipsilateral penumbra of corresponding first avris inductance coil 10 are less than or equal to the touch-control of time writer
The pen tip edge two o'clock the distance between farthest perpendicular to distance on the cross section of time writer extending direction, i.e., XX in a second direction,
The distance between the left side edge e1 and the left side edge f1 of the first avris inductance coil 101 that viewing area AA can be set be less than or
Equal to time writer touch-control pen tip along the two o'clock the distance between farthest perpendicular to distance on the cross section of time writer extending direction,
And XX in a second direction, the right side edge e2 of viewing area AA and the right side edge f2 of the first avris inductance coil 102 can be set
The distance between be less than or equal to the touch-control pen tip of time writer along farthest perpendicular to distance on the cross section of time writer extending direction
The distance between two o'clock.
Fig. 7 is a kind of structural schematic diagram of time writer provided in an embodiment of the present invention.As shown in fig. 7, time writer includes touching
Control pen tip 51, be arranged to the property of can be exemplified touch-control pen tip 51 be approximately it is cylindrical, then the touch-control pen tip 51 of time writer along perpendicular to
The cross section S of time writer extending direction ZZ is circle, and cross section S is equal to circular straight apart from the distance between farthest two o'clock
Diameter.In conjunction with Fig. 1 and Fig. 7, XX in a second direction, by the way that the edge of viewing area AA and corresponding first avris inductance coil 10 is arranged
The distance between ipsilateral penumbra be less than or equal to the touch-control pen tip 51 of time writer along the cross perpendicular to time writer extending direction ZZ
Farthest the distance between the two o'clock of distance on the S of section so that XX in a second direction, no matter time writer touch control display apparatus viewing area
At least there is the variation generation induced current that an inductance coil perceives electromagnetic field, avoid electromagnetism style of writing in any position of AA
Region of the viewing area AA in a second direction between the edge of XX and the ipsilateral penumbra of corresponding first avris inductance coil 10 is controlled not have
There is the variation of inductance coil induction field, induced current can not be generated, display device, which corresponds to the region, cannot achieve electromagnetic touch
The problem of.It should be noted that only illustratively setting touch-control pen tip 51 is approximately cylinder to Fig. 7, touch-control pen tip 51 can also
To be other shapes, the embodiment of the present invention is not construed as limiting the shape of touch-control pen tip 51.
Fig. 8 is the overlooking structure diagram of another array substrate provided in an embodiment of the present invention, and Fig. 9 is the BB ' along Fig. 8
The schematic diagram of the section structure in direction.It in conjunction with Fig. 8 and Fig. 9, can be set where perpendicular to array substrate on the direction of plane, hand over
The first inductance coil 1 of folded place G is by 61 thread-changing of the first film layer to 62 cabling of the second film layer.First inductance coil 1 is by the first film layer
61 thread-changings to the second film layer, 62 cabling, enabling the first inductance coil 1, XX is mutually overlapping in a second direction, relative to the first electricity
Feel the not overlapping setting of XX in a second direction of coil 1, for the display device of same size, can increase in display device along second
The quantity of first inductance coil 1 of direction XX arrangement is conducive to improve the sensitivity that display device carries out electromagnetic touch.
Figure 10 is the overlooking structure diagram of another array substrate provided in an embodiment of the present invention.In above-described embodiment
On the basis of, the array substrate of structure shown in Figure 10 further includes multiple third inductance coils 3 and multiple that XX extends in a second direction
4th inductance coil 4, Figure 10 illustratively the 4th inductance coil 4 of overstriking to distinguish third inductance coil 3 and the 4th inductance coil
4, third inductance coil 3 and the 4th inductance coil 4 are arranged along first direction YY.Likewise, XX prolongs inductance coil in a second direction
Stretch, along first direction YY arrangement refer to inductance coil in a second direction XX width be greater than inductance coil along first direction YY width
Degree, such as the width of inductance coil XX in a second direction can be set and be greater than inductance coil along 5 times of first direction YY width.
Along first direction YY, the of same size of all third inductance coils 3 is p, likewise, third mentioned herein
Inductance coil 3 refers to that third inductance coil 3 is along first direction YY in technique allowed band along the of same size of first direction YY
Width it is approximately equal.Third inductance coil 3 is mutually overlapping along first direction YY, and along first direction YY, third inductance coil 3 is wrapped
Two the second avris inductance coils 30 positioned at outermost two sides are included, the 4th inductance coil 4 can be set along the width of first direction YY
It spends q and is less than third inductance coil 3 along the width p of first direction YY, and set in 30 area defined of the second avris inductance coil
It is equipped at least one the 4th inductance coil 4, Figure 10, which is illustratively arranged in 30 area defined of the second avris inductance coil, to be set
It is equipped with the 4th inductance coil 4.
4th inductance coil 4 is set and is less than third inductance coil 3 along the width of first direction YY along the width q of first direction YY
P is spent, and is provided at least one the 4th inductance coil 4 in 30 area defined of the second avris inductance coil, relative to existing
Technology increases the quantity of the inductance coil of 30 corresponding region of the second avris inductance coil, avoids the second avris inductance coil 30
The problem of inductance touch-control sensitivity in the region caused by the quantity of the inductance coil of corresponding region is very few, improve the second avris
The inductance touch-control sensitivity of 30 corresponding region of inductance coil.In addition, the 4th inductance coil 4 is set to the second avris inductance coil
In 30 area defined, the space that the setting of the 4th inductance coil 4 occupies display device to third inductance coil 3 does not have shadow
It rings, relative to there are the 4th inductance coils 4 of part to be located at outside 30 area defined of the second avris inductance coil, is not influencing electricity
While sense coil occupies display device space, the requirement to sized display is reduced.
Optionally, as shown in Figure 10, array substrate includes viewing area AA and the non-display area around viewing area AA setting
NAA can be set the second avris inductance coil 30 and be located in the AA of viewing area.Specifically, the second avris is arranged along first direction YY
Inductance coil 30 is located in the AA of viewing area, is located at non-display area NAA relative at least partly the second avris inductance coil 30, avoids
The space that part the second avris inductance coil 30 occupies display device non-display area NAA leads to the non-display area of display device
The problem of NAA size increases is conducive to display device and realizes narrow frame.In addition, the 4th inductance coil 4 is set to the second avris
In 30 area defined of inductance coil, relative to there are the 4th inductance coils 4 of part to be located at 30 institute of the second avris inductance coil
Outside the region surrounded, further reduced at least partly the 4th inductance coil 4 be located at display device non-display area NAA it is general
Rate is equally beneficial for display device and realizes narrow frame.
Optionally, as shown in Figure 10, it can be set along first direction YY, the 4th inductance coil 4 and third inductance coil 3 are not
It is overlapping.Specifically, third inductance coil 3 is mutually overlapping along first direction YY, therefore the second avris inductance coil 30 is surrounded
There are part third inductance coil 3 inside region, if the 4th inductance coil 4 of part is set to the region c2 in Figure 10, the 4th
Inductance coil 4 and third inductance coil 3 are overlapping, so that the setting of the 4th inductance coil 4 changes inductance coil in the c2 of region
The setting of density, i.e. the 4th inductance coil 4 affects the inductance touch-control sensitivity of region c2.
Optionally, as shown in Figure 10, the third inductance coil 3 includes the extension along second direction XX setting
Point, along the first direction YY, the extension includes positioned at two the 4th extensions 31 of outermost two sides and except institute
The 5th extension 32 except the 4th extension 31 is stated, the 4th inductance coil 4 includes setting along the second direction XX
The 6th extension 41 set.Along the first direction YY, the spacing between adjacent 5th extension 32 can be set
Be equal to the 5th space D 6, adjacent 6th extension 41 that the corresponding same second avris inductance coil 30 is arranged it
Between spacing be equal to the 6th space D 7, between adjacent the 4th extension 31 and the 6th extension 41 between
Away from the 7th space D 8 is equal to, the spacing between adjacent the 5th extension 32 and the 6th extension 41 is impartial
In the 8th space D 9, the 5th space D 6 and the 6th space D 7, the 7th space D 8 and the 8th space D 9
It is equal.
Specifically, as shown in Figure 10, by the way that the 5th space D 6 and the 6th space D 7, the 7th spacing is arranged
D8 and the 8th space D 9 are equal, so that along first direction YY, between inductance coil part that XX extends in a second direction etc.
Away from setting, for the touch-control pen tip of the time writer of same size, time writer touch-control has identical number along any position first direction YY
The inductance coil of amount can experience the variation of electromagnetic field, generation it is faradic equal in magnitude, compared with the existing technology
The quantity for increasing the inductance coil of 30 corresponding region of the second avris inductance coil improves the corresponding area of the second avris inductance coil 30
While the inductance touch-control sensitivity in domain, improves the inductance coil part that XX extends in a second direction and arranged along first direction YY
Homogeneity, and then improve display device carry out inductance touch-control homogeneity.
Optionally, it can be set along the first direction YY, the 4th extension 3 and corresponding 5th avris
Spacing between extension 321 is equal to 2i+1 times of the 5th space D 6, the 5th avris extension 321 for it is right
The 4th extension 31 answered is apart from nearest the 5th extension 32, a corresponding second avris inductance coil
The quantity of the 4th inductance coil 4 of 30 settings is i, width p etc. of the 4th inductance coil 4 along the first direction YY
In j times of the 5th space D 6；Wherein, i and j is positive integer.Along first direction YY, Figure 10 is illustratively arranged described
Space D 10 between four extensions 31 and the corresponding 5th avris extension 321 is equal to 3 times of the 5th space D 6,
That is n is equal to 1, then corresponds to the 4th inductance coil 4 of one second avris inductance coil 30 setting, that is, is located at one second avris inductor wire
The quantity for enclosing the 4th inductance coil 4 in 30 area defined is 1, to make the 5th space D 6 and the 6th space D 7, institute
It states the 7th space D 8 and the 8th space D 9 is equal, the 4th inductance coil 4 is equal between the 5th along the width q of first direction YY
It is equal to 1 away from D6, i.e. m.
It should be noted that referring to figs. 1 to Fig. 6 the first inductance coil 1, the second inductance coil 2 and the first avris inductance
The set-up mode of coil 10, likewise, along the first direction YY, the 4th extension 31 and corresponding 5th side
When spacing between side extension 321 is equal to 2i+1 times of five space D 6, it is referred to Fig. 1 and is set to shown in fig. 6
Mode is set, quantity, 4 edge of the 4th inductance coil of the 4th inductance coil 4 of corresponding one second avris inductance coil 30 setting are set
The overlap mode of the width of first direction YY and the 4th inductance coil 4, so that inductance coil is along second party along first direction YY
The part spaced set extended to XX is arranged with improving the inductance coil part that XX extends in a second direction along first direction YY
Homogeneity, and then improve the homogeneity that display device carries out inductance touch-control, the embodiment of the present invention is to the 4th inductance coil 4 along the
The width of one direction YY and the overlap mode of the 4th inductance coil 4 are not construed as limiting.
Optionally, along first direction, the ipsilateral of the edge of viewing area and corresponding second avris inductance coil can be set
The distance between edge is less than or equal to the touch-control pen tip of time writer along perpendicular to distance on the cross section of time writer extending direction
The distance between farthest two o'clock.In conjunction with Fig. 7 and Figure 10, along first direction YY, corresponding second avris of the edge e3 of viewing area AA
Viewing area AA is arranged along first direction YY in inductance coil 301, the corresponding second avris inductance coil 302 of the edge e4 of viewing area AA
The distance between edge and the ipsilateral penumbra of corresponding second avris inductance coil 30 be less than or equal to the stylus of time writer
Point 51 is along the two o'clock the distance between farthest perpendicular to distance on the cross section S of time writer extending direction ZZ, i.e., along first direction
YY, can be set the distance between lower edge e3 and the lower edge f3 of the second avris inductance coil 301 of viewing area AA be less than or
Equal to the touch-control pen tip 51 of time writer along the cross section S perpendicular to time writer extending direction ZZ between the farthest two o'clock of distance
Distance, and along first direction YY, the top edge e4 of viewing area AA and the top edge f4 of the second avris inductance coil 302 can be set
The distance between be less than or equal to time writer touch-control pen tip 51 along the cross section S perpendicular to time writer extending direction ZZ distance
The distance between farthest two o'clock.
Along first direction YY, by the way that the edge of viewing area AA and the same side of corresponding second avris inductance coil 30 is arranged
The distance between edge be less than or equal to time writer touch-control pen tip 51 along the cross section S perpendicular to time writer extending direction ZZ away from
From farthest the distance between two o'clock so that along first direction YY, no matter time writer touch control display apparatus viewing area AA it is any
At least there is the variation generation induced current that an inductance coil perceives electromagnetic field, avoid time writer touch-control viewing area in position
AA does not have inductor wire with the region between the ipsilateral penumbra of corresponding second avris inductance coil 30 along the edge of first direction YY
Induction field variation is enclosed, induced current can not be generated, display device corresponds to the problem of region cannot achieve electromagnetic touch.
Figure 11 is the overlooking structure diagram of another array substrate provided in an embodiment of the present invention, and Figure 12 is along Figure 11
The schematic diagram of the section structure in the direction DD '.In conjunction with Figure 11 and Figure 12, the direction of the plane where perpendicular to array substrate can be set
On, the third inductance coil 3 of place H is overlapped by 62 thread-changing of the second film layer to 61 cabling of the first film layer.Third inductance coil 3 is by second
62 thread-changing of film layer enables third inductance coil 3 mutually overlapping along first direction YY to 61 cabling of the first film layer, relative to the
Three inductance coils 3, for the display device of same size, can increase edge in display device along the not overlapping setting of first direction YY
Third inductance coil 3 from prescription with ingredients even in number to arrangement quantity, be conducive to improve display device carry out electromagnetic touch sensitivity.
In conjunction with Fig. 8, Fig. 9, Figure 11 and Figure 12, utilize the first film layer 61 and the second film layer 62 that first inductance coil, 1 He is set
Third inductance coil 3 is realizing that the first inductance coil 1 is mutually overlapping and third inductance coil 3 is mutually overlapping, is being conducive to improve
While display device carries out the sensitivity of electromagnetic touch, the first inductance coil 1 and the are realized using minimal number of film layer
The setting of three inductance coils 3, is conducive to the thinning of display device.
It should be noted that the embodiment of the present invention shows that attached drawing is only exemplary the size for indicating each element, do not represent
The actual size of each element in array substrate.
Array substrate provided in an embodiment of the present invention includes multiple first inductance coils extended in a first direction and multiple
Second inductance coil, the first inductance coil and the second inductance coil are arranged in a second direction, and first direction intersects with second direction.
In a second direction, all first inductance coils is of same size, and the first inductance coil mutually overlaps mutually in a second direction, setting second
The width of inductance coil is less than the width of the first inductance coil, and in a second direction, the first inductance coil includes being located at outermost two
Two the first avris inductance coils of side.At least one is provided with by being arranged in the region that the first avris inductance coil is encircled a city
Second inductance coil increases the quantity of the inductance coil of the first avris inductance coil corresponding region compared with the existing technology, keeps away
The quantity for having exempted from the inductance coil of the first avris inductance coil corresponding region very few leads to asking for the region inductance touch-control sensitivity
Topic, improves the inductance touch-control sensitivity of the first avris inductance coil corresponding region, it is ensured that the first avris inductance of display device
The realization of coil corresponding region inductance touch function.It is enclosed in addition, the second inductance coil is set to the first avris inductance coil
At region in so that the setting of the second inductance coil does not influence the space that the first inductance coil occupies display device, relative to
There are the second inductance coils of part to be located at outside the first avris inductance coil area defined, reduces to sized display
It is required that.
The embodiment of the invention also provides a kind of display device, Figure 13 is a kind of display device provided in an embodiment of the present invention
Structural schematic diagram.As shown in figure 13, display device 20 includes the array substrate 19 in above-described embodiment, therefore the present invention is implemented
The display device 20 that example provides also has beneficial effect described in above-described embodiment, and details are not described herein again.Illustratively, it shows
Device 20 may include display device of electronic paper, liquid crystal display device and organic LED display device.Display device 20
It can be the electronic display units such as mobile phone, computer, TV and intelligent wearable device.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments here, be able to carry out for a person skilled in the art it is various it is apparent variation, again
Adjustment and substitution are without departing from protection scope of the present invention.Therefore, although by above embodiments to the present invention carried out compared with
For detailed description, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, can be with
Including more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (14)
1. a kind of array substrate, which is characterized in that including：
Multiple first inductance coils and multiple second inductance coils extended in a first direction, first inductance coil and described
Second inductance coil is arranged in a second direction, and the first direction intersects with the second direction；
Along the second direction, all first inductance coils it is of same size, the width of second inductance coil is less than
The width of first inductance coil；
First inductance coil mutually overlaps mutually along the second direction, along the second direction, the first inductance coil packet
Two the first avris inductance coils positioned at outermost two sides are included, are provided in the region that the first avris inductance coil is encircled a city
At least one described second inductance coil.
2. array substrate according to claim 1, which is characterized in that along the second direction, second inductance coil
It is not overlapped with first inductance coil.
3. array substrate according to claim 2, which is characterized in that first inductance coil includes along the first party
To the extension of setting, along the second direction, the extension includes two the first extensions positioned at outermost two sides
Divide and the second extension in addition to first extension, second inductance coil include along the first direction
The third extension of setting；
Along the second direction, the spacing between adjacent second extension is equal to the first spacing, corresponding same described
Spacing between the adjacent third extension of first avris inductance coil setting is equal to the second spacing, and adjacent is described
Spacing between first extension and the third extension is equal to third spacing, adjacent second extension
Spacing between the third extension is equal to the 4th spacing, first spacing and second spacing, described the
Three spacing and the 4th spacing are equal；Along the second direction, first extension and corresponding second side
Spacing between the extension of side is equal to 2n+1 times of first spacing, second avris extension for corresponding institute
Nearest second extension of the first extension distance is stated, a corresponding first avris inductance coil is arranged described
The quantity of second inductance coil is n, and second inductance coil is between described first of the width of the second direction equal to m times
Away from；Wherein, m and n is positive integer.
4. array substrate according to claim 1, which is characterized in that including viewing area and around viewing area setting
Non-display area, the first avris inductance coil are located in the viewing area.
5. array substrate according to claim 4, which is characterized in that along the second direction, the edge of the viewing area
The distance between ipsilateral penumbra of the corresponding first avris inductance coil is less than or equal to the touch-control pen tip edge of time writer
Perpendicular to farthest the distance between the two o'clock of distance on the cross section of time writer extending direction.
6. array substrate according to claim 1, which is characterized in that the side of plane where perpendicular to the array substrate
Upwards, first inductance coil at place is overlapped by the first film layer thread-changing to the second film layer cabling.
7. array substrate according to claim 1, which is characterized in that further include：
Along the second direction extend multiple third inductance coils and multiple 4th inductance coils, the third inductance coil and
4th inductance coil is arranged along first direction；
Along the first direction, all third inductance coils it is of same size, the width of the 4th inductance coil is less than
The width of the third inductance coil；
The third inductance coil mutually overlaps mutually along the first direction, along the first direction, the third inductance coil packet
Two the second avris inductance coils positioned at outermost two sides are included, are provided in the region that the second avris inductance coil is encircled a city
At least one described 4th inductance coil.
8. array substrate according to claim 7, which is characterized in that along the first direction, the 4th inductance coil
It is not overlapped with the third inductance coil.
9. array substrate according to claim 8, which is characterized in that the third inductance coil includes along the second party
To the extension of setting, along the first direction, the extension includes two the 4th extensions positioned at outermost two sides
Point and the 5th extension in addition to the 4th extension, the 4th inductance coil includes along the second direction
The 6th extension being arranged；
Along the first direction, the spacing between adjacent 5th extension is equal to the 5th spacing, corresponding same described
Spacing between adjacent 6th extension of second avris inductance coil setting is equal to the 6th spacing, and adjacent is described
Spacing between 4th extension and the 6th extension is equal to the 7th spacing, adjacent the 5th extension
Spacing between the 6th extension is equal to the 8th spacing, the 5th spacing and the 6th spacing, described the
Seven spacing and the 8th spacing are equal；
Along the first direction, the spacing between the 4th extension and the corresponding 5th avris extension is equal to
2i+1 times of the 5th spacing, the 5th avris extension are nearest with the corresponding 4th extension distance
The quantity of 5th extension, the 4th inductance coil of a corresponding second avris inductance coil setting is i, institute
State the 5th spacing that the 4th inductance coil is equal to j times along the width of the first direction；Wherein, i and j is positive integer.
10. array substrate according to claim 7, which is characterized in that be arranged including viewing area and around the viewing area
Non-display area, the second avris inductance coil is located in the viewing area.
11. array substrate according to claim 10, which is characterized in that along the first direction, the side of the viewing area
The distance between edge and ipsilateral penumbra of the corresponding second avris inductance coil are less than or equal to the touch-control pen tip of time writer
Along the two o'clock the distance between farthest perpendicular to distance on the cross section of time writer extending direction.
12. array substrate according to claim 7, which is characterized in that the plane where perpendicular to the array substrate
On direction, the third inductance coil at place is overlapped by the second film layer thread-changing to the first film layer cabling.
13. a kind of display device, which is characterized in that including the described in any item array substrates of claim 1-12.
14. display device according to claim 13, which is characterized in that the display device includes electronic paper display dress
It sets, liquid crystal display device and organic LED display device.
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|---|---|---|---|---|
| CN111142704A (en) * | 2019-12-13 | 2020-05-12 | 武汉华星光电技术有限公司 | Array substrate and touch display panel |
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