TWI781569B - touch sensing device - Google Patents

Abstract

A touch sensing device includes an upper sensing unit, a lower sensing unit correspondingly installed under the upper sensing unit, and a processing unit. The upper sensing unit includes an upper transparent plate, a plurality of upper capacitive sensing electrode circuits, and a plurality of upper electromagnetic sensing coil groups. The upper capacitive sensing electrode circuits can sense and output a plurality of first capacitive sensing signals, and are arranged on the upper transparent plate at intervals along a first direction, and the upper electromagnetic sensing coil groups are arranged on the upper transparent plate And it can sense and output a plurality of first electromagnetic sensing signals, and each upper electromagnetic sensing coil group partially overlaps with the adjacent upper electromagnetic sensing coil group, and the lower sensing unit is stacked in the above-mentioned manner , the thickness of the upper sensing unit and the lower sensing unit can be reduced through the above method, so as to reduce the overall thickness of the touch sensing device of the present invention.

Description

Touch Sensing Device

The present invention relates to a touch sensing device, in particular to a touch sensing device having both capacitive touch sensing function and electromagnetic touch sensing function.

At present, the existing capacitive touch sensing device and the existing electromagnetic touch sensing device are two separate devices. In practical applications, if the above two touch sensing functions are required, the The existing capacitive touch sensing device and the electromagnetic touch sensing device are overlapped and assembled into an existing double-layer touch sensing device, which is realized.

However, the existing capacitive touch sensing device includes two projected capacitive sensing electrode substrates, and the existing electromagnetic touch sensing device includes two electromagnetic sensing coil substrates, both of which are double-layer The stacking design has a certain thickness, therefore, the total thickness of the existing double-layer touch sensing device will be quite large. The front of a display device, due to the above-mentioned total thickness problem, will reduce the light transmittance of the display device, which will affect the display effect, but if the existing double-layer touch sensing device is arranged on the When the back surface of the display device is used, the touch sensitivity of the conventional touch sensing device is not ideal due to the above-mentioned overall thickness problem.

Therefore, the object of the present invention is to provide a touch sensing device that overcomes the disadvantages of the prior art.

Therefore, the touch sensing device of the present invention includes an upper sensing unit, a lower sensing unit installed below the upper sensing unit, and a processing unit.

The upper sensing unit includes an upper transparent plate, a plurality of upper capacitive sensing electrode circuits, and a plurality of upper electromagnetic sensing coil groups. The upper capacitive sensing electrode circuits are arranged on the upper transparent plate at intervals along a first direction, and each upper capacitive sensing electrode circuit can sense and output a first capacitive sensing signal indicating the change of its corresponding capacitance value . The upper electromagnetic sensing coil groups are arranged on the upper transparent plate, each upper electromagnetic sensing coil group partially overlaps with the corresponding adjacent upper electromagnetic sensing coil group, each upper electromagnetic sensing coil A group surrounds at least one of the upper capacitive sensing electrode circuits, so that each upper capacitive sensing electrode circuit is surrounded by at least two of the upper electromagnetic sensing coil groups, each upper The electromagnetic sensing coil group can sense and output a first electromagnetic sensing signal indicating the change of its corresponding magnetic flux.

The lower sensing unit includes a lower transparent plate, a plurality of lower capacitive sensing electrode circuits, and a plurality of lower electromagnetic sensing coil groups. The lower capacitive sensing electrode circuits are arranged on the lower transparent plate at intervals along a second direction substantially perpendicular to the first direction, and each lower capacitive sensing electrode circuit can sense and output a corresponding change in capacitance value The second capacitive sensing signal. The lower electromagnetic sensing coil groups are arranged on the lower transparent plate, each lower electromagnetic sensing coil group partially overlaps with the corresponding adjacent lower electromagnetic sensing coil group, and each lower electromagnetic sensing coil group surrounds In at least one of the lower capacitive sensing electrode circuits, so that each lower capacitive sensing electrode circuit is surrounded by at least two of the lower electromagnetic sensing coil groups, each lower electromagnetic sensing line The coil group can sense and output a second electromagnetic sensing signal indicating the change of its corresponding magnetic flux.

The processing unit is electrically connected to the upper capacitive sensing electrode circuits, the lower capacitive sensing electrode circuits, the upper electromagnetic sensing coil groups, and the lower electromagnetic sensing coil groups, the processing unit Capacitive sensing position information can be calculated according to the first capacitive sensing signals and the second capacitive sensing signals output by the upper capacitive sensing electrode circuits and the lower capacitive sensing electrode circuits , and based on the first electromagnetic sensing signals and the second electromagnetic sensing signals output by the upper electromagnetic sensing coil groups and the lower electromagnetic sensing coil groups, an electromagnetic sensing location information.

The effect of the present invention lies in that by surrounding the upper capacitive sensing electrode circuits with the upper electromagnetic sensing coil groups, they are arranged on the upper transparent plate, and by surrounding the lower electromagnetic sensing coil groups The lower capacitive sensing electrode circuits are arranged on the lower transparent plate, so that the thickness of the upper sensing unit and the lower sensing unit can be reduced, so as to reduce the overall thickness of the touch sensing device.

1 and 2, an embodiment of the touch sensing device of the present invention includes a first transparent adhesive layer 1, a second transparent adhesive layer 2, a surface glass layer 3, an upper sensing unit 4, and a lower sensing unit. A measuring unit 5, a processing unit 6, a display unit 7, and a frame layer 8.

In this embodiment, the surface glass layer 3, the second transparent adhesive layer 2, the upper sensing unit 4, the first transparent adhesive layer 1 and the lower sensing unit 5 are sequentially arranged at intervals. The adhesive layer 1 is arranged between the upper sensing unit 4 and the lower sensing unit 5, so that the upper sensing unit 4 is correspondingly installed above the lower sensing unit 5 and is insulated and bonded, and the second transparent adhesive layer 2 is arranged between the upper sensing unit 4 and the surface glass layer 3, so that the upper sensing unit 4 and the surface glass layer 3 are insulated and bonded, the first transparent adhesive layer 1 and the second transparent adhesive layer The material of 2 is Optically Clear Adhesive (OCA), but it is not limited thereto. Those skilled in the art can expand and deduce the details, so it will not be repeated here.

3, the upper sensing unit 4 includes a dielectric upper transparent plate 41, eight sets of upper capacitive sensing electrode circuits 42 arranged on the upper transparent plate 41 at intervals along a first direction X, eight sets of The upper electromagnetic sensing coil group 43 arranged on the upper transparent plate 41, and the plurality of upper insulating spacers 44 corresponding to the colored parts in FIG. 3 are arranged. In order to simplify the drawing, FIG. The insulating spacer 44 is used as a representative, and the detailed structure of these upper insulating spacers 44 will be described in the following paragraphs.

In this embodiment, each upper capacitive sensing electrode circuit 42 can sense and output a first capacitive sensing signal indicating the change of its own capacitance value, and has nine electrodes along a direction perpendicular to the first direction X. The second direction Y extends and is arranged on the upper touch electrode part 421 of the upper transparent plate 41, and the eight upper connecting segment parts 422 connecting two adjacent upper touch electrode parts 421. It is worth mentioning that, The number of the upper touch electrode parts 421 is not limited to nine, and the number of the upper connecting segment parts 422 is not limited to eight, but can be adjusted according to the requirements of touch devices of different sizes. In addition, in this embodiment, among the upper touch electrode parts 421 arranged along the second direction Y and located on opposite sides, relative to a plane defined by the first direction X and the second direction Y (not shown in the figure) has a substantially triangular cross-sectional profile, and the rest of the upper touch electrode parts 421 have a substantially rhombus-shaped cross-sectional profile relative to the plane, but in other variations, the upper touch electrode parts 421 The shape is not limited to triangles and rhombuses, and other symmetrical figures can also be used instead.

It is worth mentioning that, in this embodiment, the upper capacitive sensing electrode circuits 42 are fabricated using Metal Mesh process technology, but not limited thereto, Metal Mesh (Metal Mesh) ) process technology is a touch material manufacturing technology, which arranges extremely thin metal wires in the form of a grid, and uses this material as the touch electrode for detection and lays it on the upper transparent plate 41. Compared with the metal grid, The existing touch electrode materials, such as indium tin oxide (ITO), have the advantages of low power consumption, touch sensitivity, low cost, and long service life. The rest of the technical content can be expanded and deduced by those skilled in the art details, so I won’t repeat them here.

Referring to Fig. 3, in the present embodiment, each upper electromagnetic sensing coil group 43 can sense and output a first electromagnetic sensing signal indicating the change of its own magnetic flux, and each upper electromagnetic sensing coil group 43 and Correspondingly, the adjacent upper electromagnetic sensing coil groups 43 partially overlap. In other words, any two adjacent upper electromagnetic sensing coil groups 43 partially overlap. The manner in which the coil set 43 wraps around is defined in more detail.

3, 4, 5, each upper electromagnetic sensing coil group 43 surrounds at least one of the upper capacitive sensing electrode circuits 42, so that each upper capacitive sensing electrode circuit 42 is surrounded by the upper capacitive sensing electrode circuit 42. Surrounded by at least two of the electromagnetic sensing coil sets 43 . In this embodiment, two of the upper electromagnetic sensing coil groups 43 are arranged along the first direction X and located on opposite sides, and each only surrounds phases of the upper capacitive sensing electrode circuits 42. The corresponding two groups, and the rest of the upper electromagnetic sensing coil groups 43 surround the corresponding three groups of the upper capacitive sensing electrode circuits 42 in sequence.

For example, the surrounding relationship of the upper electromagnetic sensing coil groups 43 is illustrated here with FIG. 4 . FIG. 4 is a schematic diagram of the upper electromagnetic sensing coil groups 43 with parts removed from FIG. 3 . The upper electromagnetic sensing coil group 43 will surround the first set of upper capacitive sensing electrode circuits 42 counted from the left side of FIG. 4 among the upper capacitive sensing electrode circuits 42. The upper set of capacitive sensing electrode circuits 42 is surrounded by corresponding two upper sets of electromagnetic sensing coil sets 43 .

Next, with FIG. 5 , FIG. 5 is a schematic diagram of removing another part of the upper electromagnetic sensing coils 43 from FIG. 3 , the upper electromagnetic sensing coils 43 in FIG. 5 will surround the upper In the capacitive sensing electrode circuit 42, the upper capacitive sensing electrode circuit 42 of the fifth group counted from the left side of FIG. Three groups of the upper electromagnetic sensing coils 43 are surrounded. So far, it should be understood that in this embodiment, the upper electromagnetic sensing coils 43 are surrounded by the lower capacitive sensing electrode circuits 42. relation.

In this embodiment, each upper electromagnetic sensing coil set 43 has two upper sensing coil portions 431, and the upper sensing coil portions 431 in each upper electromagnetic sensing coil set 43 surround correspondingly The upper touch electrode parts 421, but the number of the upper sensing coil parts 431 is not limited to two turns, and can be adjusted according to the required induction intensity.

Referring to Figures 3 and 6, Figure 6 is a partially enlarged schematic diagram of the circled area in Figure 3, and defines the overlapping part of the upper electromagnetic sensing coil groups 43 in Figure 2 as the upper overlapping area 433. The insulating spacers 44 are correspondingly disposed on the upper overlapping regions 433, and each upper insulating spacer 44 is disposed below a corresponding upper sensing coil part 431 and another corresponding upper sensing coil part 431 Each upper insulating spacer 44 is correspondingly arranged between at least two of the upper overlapping regions 433, and is not limited to being arranged between two upper overlapping regions 433, and can also be arranged in more than two upper overlapping regions 433. Between the two upper overlapping regions 433, the number of the upper overlapping regions 433 will vary according to the wiring methods of the upper electromagnetic sensing coil groups 43. In addition, the upper electromagnetic sensing coils The upper overlapping regions 433 defined by the measuring coil group 43 will be adjacent to the colored positions of the upper electromagnetic sensing coil groups 43 in FIG. The corresponding upper overlapping regions 433 are used to prevent the upper electromagnetic sensing coil groups 43 from being in contact with each other so as to be electrically connected.

In this embodiment, among the upper sensing coil parts 431, the part adjacent to the upper insulating spacers 44 is defined as the upper bridging part 432, which is the colored part in Fig. 3 and 6, and the upper The bridge portion 432 is made of indium tin oxide (ITO).

Referring to FIG. 7, the lower sensing unit 5 includes a dielectric lower transparent plate 51, eight sets of lower capacitive sensing electrode circuits 52 arranged on the lower transparent plate 51 at intervals along the second direction Y, eight sets of The lower electromagnetic sensing coil group 53 arranged on the lower transparent plate 51, and the plurality of lower insulating spacers 54 corresponding to the colored parts in FIG. The insulating spacer 54 is used as a representative, and the detailed structure of the lower insulating spacers 54 will be described in the following paragraphs.

In this embodiment, each lower capacitive sensing electrode circuit 52 can sense and output a second capacitive sensing signal indicating the change of its own capacitance value, and has nine electrodes extending along the first direction X and arranged on the The lower touch electrode part 521 of the lower transparent plate 51, and the eight lower connection segment parts 522 connecting two adjacent lower touch electrode parts 521, it is worth mentioning that the lower touch electrode parts 521 The number is not limited to nine, and the number of the lower connecting sections 522 is not limited to eight, but can be adjusted according to the requirements of touch devices of different sizes. In addition, in this embodiment, among the lower touch electrode parts 521 arranged along the first direction X and located on opposite sides, the cross-sectional profile relative to the plane is substantially triangular, and the rest of the lower touch electrodes The cross-sectional profile of the electrode portion 521 relative to the plane is substantially a rhombus, but in other variants, the shapes of the lower touch electrode portions 521 are not limited to triangle and rhombus, and other symmetrical shapes can also be used instead.

It is worth mentioning that, in this embodiment, the lower capacitive sensing electrode circuits 52 are fabricated by metal grid process technology, but not limited thereto.

Referring to FIG. 7 , in this embodiment, each lower electromagnetic sensing coil set 53 can sense and output a second electromagnetic sensing signal indicating the change of its corresponding magnetic flux. Each lower electromagnetic sensing coil group 53 partly overlaps with the corresponding adjacent lower electromagnetic sensing coil group 53, in other words, any two adjacent lower electromagnetic sensing coil groups 53 partially overlap. , the manner in which the lower electromagnetic sensing coil groups 53 surround will be defined in more detail below.

7, 8, 9, each lower electromagnetic sensing coil group 53 surrounds at least one of the lower capacitive sensing electrode circuits 52, so that each lower capacitive sensing electrode circuit 52 is surrounded by the lower capacitive sensing electrode circuits 52. Surrounded by at least two of the electromagnetic sensing coils 53 . In this embodiment, two of the lower electromagnetic sensing coil groups 53 are arranged along the second direction Y and located on opposite sides, and each only surrounds the phases of the lower capacitive sensing electrode circuits 52. Corresponding two groups, and the rest of the lower electromagnetic sensing coil groups 53 encircle the corresponding three groups of the lower capacitive sensing electrode circuits 52 in sequence along the second direction Y.

For example, the surrounding relationship of the lower electromagnetic sensing coil groups 53 is illustrated here with FIG. 8 . FIG. 8 is a schematic diagram of the lower electromagnetic sensing coil groups 53 with parts removed from FIG. 7 . The lower electromagnetic sensing coil group 53 will surround the first set of lower capacitive sensing electrode circuits 52 counted from the top of FIG. 8 among the lower capacitive sensing electrode circuits 52. The lower set of capacitive sensing electrode circuits 52 is surrounded by two corresponding lower sets of electromagnetic sensing coil sets 53 .

Next, with FIG. 9, FIG. 9 is a schematic diagram of removing another part of the lower electromagnetic sensing coils 53 from FIG. 7, the lower electromagnetic sensing coils 53 will surround the lower capacitive sensing In the electrode circuit 52, the fifth group of lower capacitive sensing electrode circuits 52 counted from the top of FIG. Surrounded by the electromagnetic sensing coils 53 , so far, it should be understood that the surrounding relationship between the lower electromagnetic sensing coils 53 and the lower capacitive sensing electrode circuits 52 in this embodiment.

In this embodiment, each lower electromagnetic sensing coil set 53 has two lower sensing coil portions 531, and the lower sensing coil portions 531 in each lower electromagnetic sensing coil set 53 surround the corresponding The lower touch electrode part 521, but the number of the lower sensing coil part 531 is not limited to two turns, and can be adjusted according to the required induction intensity.

Referring to Figures 7 and 10, Figure 10 is a partially enlarged schematic diagram of the area circled in Figure 7, and defines the contact overlapping part between the lower electromagnetic sensing coil groups 53 as the lower overlapping area 533, and the lower insulating spacers 54 Correspondingly arranged in the lower overlapping regions 533, each lower insulating spacer 54 is arranged between the bottom of a corresponding lower sensing coil part 531 and the upper part of another corresponding lower sensing coil part 531, and also That is, each lower insulating spacer 54 is correspondingly arranged between at least two of the lower overlapping regions 533, and is not limited to being arranged between two lower overlapping regions 533, and may also be arranged on more than two lower overlapping regions 533. Among the overlapping regions 533, the number of the lower overlapping regions 533 will vary according to the differences in the wiring methods of the lower electromagnetic sensing coil groups 53. In addition, the lower electromagnetic sensing coil groups 53 define The lower overlapping regions 533 that are shown will be adjacent to the colored parts of the lower electromagnetic sensing coil groups 53 in FIG. The overlapping regions 533 are used to prevent the lower electromagnetic sensing coil groups 53 from being in contact with each other so as to be electrically connected.

In this embodiment, among the lower sensing coil parts 531, the part adjacent to the upper part of the lower insulating spacers 54 is defined as the lower bridging part 532, which is the colored part in Figs. 7 and 10, and the lower The bridge portion 532 is made of indium tin oxide (ITO).

1, 2, and 11, the upper sensing unit 4, the first transparent adhesive layer 1 and the lower sensing unit 5 of this embodiment are stacked correspondingly, and each upper touch electrode part 421 is adjacent to each other. Each of the lower touch electrode parts 521 is arranged without overlapping.

The processing unit 6 is electrically connected to the upper capacitive sensing electrode circuits 42, the lower capacitive sensing electrode circuits 52, the upper electromagnetic sensing coil groups 43, and the lower electromagnetic sensing coil groups 53. In this embodiment, the processing unit 6 is an integrated driving chipset for capacitive touch and electromagnetic touch.

When in use, the processing unit 6 can output the first capacitive sensing signals and the second capacitive sensing signals according to the upper capacitive sensing electrode circuits 42 and the lower capacitive sensing electrode circuits 52 Calculating a capacitive sensing position information, in this embodiment, is suitable for an indicator (not shown) that can be used for capacitive touch, such as a finger, a capacitive stylus, etc., the processing unit 6 is for the The upper capacitive sensing electrode circuits 42 and the lower capacitive sensing electrode circuits 52 perform mutual capacitance sensing, and when one of the upper capacitive sensing electrode circuits 42 is scanned, each lower capacitive sensing electrode circuit is detected. The sensing capacitance value of the electrode circuit 52 changes. In the above manner, the processing unit 6 can receive the first capacitive sensing from the upper capacitive sensing electrode circuits 42 and the lower capacitive sensing electrode circuits 52. signal and the second capacitive sensing signals to calculate the capacitive sensing position information, but not limited to this capacitive sensing method, this is the details that can be expanded and deduced by those skilled in the art, so it will not be given repeat.

The processing unit 6 can calculate the An electromagnetic sensing position information, this embodiment is suitable for an electromagnetic stylus (not shown), the processing unit 6 controls the upper electromagnetic sensing coils 43 and the lower electromagnetic sensing coils 53 Send a sending signal with a predetermined frequency, the electromagnetic stylus can receive the sending signal as electromagnetic energy, so no built-in power supply is required, and the electromagnetic stylus will return a feedback signal to the Wait for the upper electromagnetic sensing coil group 43 and the lower electromagnetic sensing coil groups 53, so that the upper electromagnetic sensing coil group 43 and the lower electromagnetic sensing coil groups 53 can be controlled according to the electromagnetic touch The relative position of the pen outputs the first electromagnetic sensing signals and the second electromagnetic sensing signals to the processing unit 6, so that the processing unit 6 can calculate the electromagnetic sensing position information, but does not use this electromagnetic sensing The sensing method is limited, and those skilled in the art can expand and infer the details, so details are not repeated here.

The display unit 7 is electrically connected to the processing unit 6 to receive and display an image information correspondingly generated by the processing unit 6 according to the capacitive sensing position information and the electromagnetic sensing position information. In this embodiment, The display unit 7 is a liquid crystal display (Liquid Crystal Display, LCD), to display the image information corresponding to the touch position of the electromagnetic stylus and the touch position of the pointer, but not limited thereto, the frame The layer 8 is arranged between the lower sensing unit 5 and the display unit 7, and is a hollow ring-shaped rectangular frame. The frame layer 8 defines an internal space 81, so that the picture displayed by the display unit 7 can penetrate The inner space 81, the lower sensing unit 5, the first transparent adhesive layer 1, the upper sensing unit 4, the second transparent adhesive layer 2 and the surface glass layer 3, and the upper sensing unit 4 and the lower The sensing units 5 all have high light transmittance, so this embodiment can clearly display the picture displayed by the display unit 7 .

In summary, the effect of the present invention can be summarized as the following two points:

(1) By surrounding the upper capacitive sensing electrode circuits 42 with the upper electromagnetic sensing coil groups 43 on the upper transparent plate 41, and by surrounding the lower electromagnetic sensing coil groups 53 The lower capacitive sensing electrode circuits 52 are disposed on the lower transparent plate 51. Compared with the existing double-layer touch sensing device, the thickness of the existing electromagnetic sensing coil substrates is equivalently subtracted, Therefore, the present invention can reduce the thickness of the upper sensing unit 4 and the lower sensing unit 5, thereby reducing the overall thickness of the present invention; and

(2) Through the upper bridges 432 and the upper insulating spacers 44, it is possible to prevent the upper electromagnetic sensing coil groups 43 from contacting each other and being electrically connected. Similarly, through the lower bridges Part 532 and the lower insulating spacers 54 can prevent the lower electromagnetic sensing coil groups 53 from being electrically connected to each other, and improve the upper sensing coil parts 431 and the lower sensing wires on the same layer. The ring portions 531 need to be turned on separately.

In summary, the purpose of the present invention can indeed be achieved.

But what is described above is only an embodiment of the present invention, and should not limit the scope of the present invention. All simple equivalent changes and modifications made according to the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by the patent of the present invention.

1: The first transparent adhesive layer 2: The second transparent adhesive layer 3: surface glass layer 4: Upper sensing unit 41: Upper transparent board 42: Upper capacitive sensing electrode circuit 421: Upper touch electrode part 422: Upper connecting section 43: Upper electromagnetic sensing coil group 431: Upper sensing coil part 432: Upper bridge part 433: Upper overlap area 44: upper insulating spacer 5: Lower sensing unit 51: lower transparent board 52: Lower capacitive sensing electrode circuit 521: lower touch electrode part 522: Lower connecting section 53: Bottom electromagnetic sensing coil group 531: Lower sensing coil part 532: lower bridging part 533: Lower overlap area 54: Lower insulating spacer 6: Processing unit 7: Display unit 8:Frame layer 81: Internal space

Other features and effects of the present invention will be clearly presented in the implementation manner with reference to the drawings, wherein: 1 is a schematic cross-sectional view of an embodiment of a touch sensing device of the present invention; 2 is an electrical block diagram of an upper sensing unit, a lower sensing unit, a processing unit and a display unit of the embodiment; Fig. 3 is a schematic diagram of the upper sensing unit of this embodiment; Fig. 4 is an incomplete schematic diagram of the upper sensing unit of this embodiment; Fig. 5 is another incomplete schematic diagram of the upper sensing unit of this embodiment; Fig. 6 is a partially enlarged schematic diagram of Fig. 3; FIG. 7 is a schematic diagram of the lower sensing unit of this embodiment; FIG. 8 is an incomplete schematic diagram of the lower sensing unit of this embodiment; Fig. 9 is another incomplete schematic diagram of the upper sensing unit of this embodiment; Figure 10 is a partially enlarged schematic view of Figure 7; and FIG. 11 is a schematic diagram of the upper sensing unit and the lower sensing unit of the embodiment.

1: The first transparent adhesive layer 2: The second transparent adhesive layer 3: surface glass layer 4: Upper sensing unit 5: Lower sensing unit 6: Processing unit 7: Display unit 8:Frame layer 81: Internal space

Claims (9)

A touch sensing device, comprising: an upper sensing unit including an upper transparent plate; a plurality of upper capacitive sensing electrode circuits arranged at intervals along a first direction on the upper transparent plate, each upper capacitive sensing The electrode circuit can sense and output a first capacitive sensing signal indicating the change of its own capacitance value; a plurality of upper electromagnetic sensing coil groups are arranged on the upper transparent plate, and each upper electromagnetic sensing coil group has a plurality of upper In the sensing coil part, each upper electromagnetic sensing coil group partly overlaps with the corresponding adjacent upper electromagnetic sensing coil group, and the overlapping part between the upper electromagnetic sensing coil groups is defined as the upper overlap Each upper electromagnetic sensing coil group surrounds at least one of the upper capacitive sensing electrode circuits, so that each upper capacitive sensing electrode circuit is surrounded by the upper electromagnetic sensing coil groups Surrounded by at least two of the upper electromagnetic sensing coil groups, each upper electromagnetic sensing coil group can sense and output a first electromagnetic sensing signal indicating the change of its own magnetic flux; area, and each upper insulating spacer is arranged between the bottom of a corresponding upper sensing coil part and the upper part of another corresponding upper sensing coil part, so as to block the upper electromagnetic sensing coil groups They are in contact with each other and are electrically connected; the lower sensing unit is correspondingly installed under the upper sensing unit, including: A lower transparent plate; a plurality of lower capacitive sensing electrode circuits are arranged on the lower transparent plate at intervals along a second direction substantially perpendicular to the first direction, and each lower capacitive sensing electrode circuit can sense and output an indicator corresponding to The second capacitive sensing signal of the change of its own capacitance value; the plurality of lower electromagnetic sensing coil groups are arranged on the lower transparent plate, each lower electromagnetic sensing coil group has a plurality of lower sensing coil parts, each lower electromagnetic sensing line The coil group partially overlaps with the corresponding adjacent lower electromagnetic sensing coil groups, and defines the contact overlapping part between the lower electromagnetic sensing coil groups as the lower overlapping area, and each lower electromagnetic sensing coil group surrounds At least one of the lower capacitive sensing electrode circuits, such that each lower capacitive sensing electrode circuit is surrounded by at least two of the lower electromagnetic sensing coil groups, each lower electromagnetic sensing coil The set can sense and output a second electromagnetic sensing signal indicating the change of its own magnetic flux; and a plurality of lower insulating spacers are correspondingly arranged in the lower overlapping regions, and each lower insulating spacer is arranged in a corresponding one of the lower insulating spacers The bottom of the lower sensing coil part and the upper part of another corresponding lower sensing coil part are electrically connected to prevent the contact between the lower electromagnetic sensing coil groups; and a processing unit is electrically connected to the The upper capacitive sensing electrode circuits, the lower capacitive sensing electrode circuits, the upper electromagnetic sensing coil groups, and the lower electromagnetic sensing coil groups, the processing unit can type sensing electrode circuit and the output of these lower capacitive sensing electrode circuits The first capacitive sensing signals and the second capacitive sensing signals calculate a capacitive sensing position information, and can be based on the upper electromagnetic sensing coil sets and the lower electromagnetic sensing coil sets The outputted first electromagnetic sensing signals and the second electromagnetic sensing signals are used to calculate electromagnetic sensing position information. The touch sensing device as described in claim 1, wherein each upper capacitive sensing electrode circuit has a plurality of upper touch electrode parts extending along the second direction and arranged on the upper transparent plate, and a plurality of connecting two For the upper connecting segments of the adjacent upper touch electrode parts, each lower capacitive sensing electrode circuit has a plurality of lower touch electrode parts extending along the first direction and arranged on the lower transparent plate, and a plurality of connecting two For the lower connecting segment portions of the adjacent lower touch electrode portions, each upper touch electrode portion is not overlapped with each adjacent lower touch electrode portion. The touch sensing device according to claim 2, wherein, among the upper touch electrode parts of each upper capacitive sensing electrode circuit, those arranged along the second direction and located on opposite sides are opposite to the The cross-sectional contour of a plane defined by the first direction and the second direction is substantially triangular, and the cross-sectional contours of the other upper touch electrode parts relative to the plane are substantially rhomboid, and each lower capacitive sensing electrode Among the lower touch electrode parts of the circuit, those arranged along the first direction and located on opposite sides have a substantially triangular cross-sectional profile relative to the plane, and the rest of the lower touch electrode parts relative to the plane The cross-sectional profile is substantially rhomboid. The touch sensing device as described in claim 1, wherein the upper capacitive sensing electrode circuits and the lower capacitive sensing electrode circuits use metal grids (Metal Mesh) process technology. The touch sensing device according to claim 2, wherein the upper sensing coils in each upper electromagnetic sensing coil group surround the same upper touch electrode parts, and each lower electromagnetic sensing line The lower sensing coil parts in the circle group surround the same lower touch electrode parts. The touch sensing device as described in claim 1, wherein the part adjacent to the upper insulating spacers in the upper sensing coil parts is defined as the upper bridge part, and the part adjacent to the lower sensing coil parts is defined as The part above the lower insulating spacers is the lower bridge part, and the material of the upper bridge parts and the lower bridge parts is indium tin oxide (ITO). The touch sensing device as described in claim 1, further comprising a first transparent adhesive layer arranged between the upper sensing unit and the lower sensing unit, so that the upper sensing unit and the lower sensing unit Insulated bonding. The touch sensing device as described in claim 1, further comprising a surface glass layer located above the upper sensing unit, and a second transparent adhesive layer disposed between the upper sensing unit and the surface glass layer, so that The upper sensing unit and the surface glass layer are insulated and bonded. The touch sensing device as described in claim 1, further comprising a display unit arranged at the bottom of the lower sensing unit, the display unit is electrically connected to the processing unit to receive and display the capacitive The sensing position information and the electromagnetic sensing position information correspond to an image information generated.

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