CN207165766U

CN207165766U - Radio antenna and the wearable device comprising the antenna

Info

Publication number: CN207165766U
Application number: CN201720851567.9U
Authority: CN
Inventors: 金春熙; 李泰宪; 南炫吉; 朴炫道; 全大成; 金楠基
Original assignee: Samsung Electro Mechanics Co Ltd
Current assignee: Wits Co Ltd
Priority date: 2016-12-08
Filing date: 2017-07-13
Publication date: 2018-03-30
Anticipated expiration: 2027-07-13
Also published as: KR20180065688A; CN108173001B; CN108173001A

Abstract

The utility model discloses a kind of radio antenna and the wearable device comprising the antenna.Included according to the radio antenna of one embodiment of the present utility model：Magnetic；First substrate and second substrate, the first substrate are arranged in the first surface of the magnetic, and the second substrate is arranged in the second surface of the magnetic；And through hole, through the magnetic, the first substrate and the second substrate, wherein, the first substrate and the second substrate include：Multiple conductive patterns, formed in a manner of winding the magnetic；And additional pattern, using with the multiple conductive pattern identical material, be formed at the region adjacent with the through hole.

Description

Radio antenna and the wearable device comprising the antenna

Technical field

It the utility model is related to a kind of radio antenna and the wearable device comprising the antenna.

Background technology

Radio communication is applied in various environment.Especially, the radio antenna of loop shape and e-payment phase Close and can be applied to various equipment.

Recently, a kind of nothing of spiral (Spiral) loop shape of lid for being attached at mobile device etc. is used in mobile device Line communication antenna.

Also, with the diffusion of wearable device, it is being not only the demand of radio antenna suitable for mobile device Increase, is also increasing the demand of the radio antenna suitable for wearable device.

, it is necessary to meet following necessary condition for the radio antenna used in wearable device：Ensure to count According to the reliability of transmission, the convenient radiation direction and radiation scope that are intended to seek user.

Be additionally, since small form factor requirements, be mounted on the radio antenna of wearable device need to have it is relatively small Size, and require that a large amount of productions can be achieved.

Utility model content

According to one embodiment of the present utility model, it is desirable to provide one kind is suitable to wearable device and can improve communication performance Radio antenna and wearable device comprising the antenna.

According to one embodiment of the present utility model, there is provided a kind of radio antenna, including：Magnetic；First substrate And second substrate, the first substrate are arranged in the first surface of the magnetic, the second substrate is arranged in the magnetic The second surface of body；And through hole, through the magnetic, the first substrate and the second substrate, wherein, described One substrate and the second substrate include：Multiple conductive patterns, formed in a manner of winding the magnetic；And appended drawings Case, the region adjacent with the through hole is formed at using with the multiple conductive pattern identical material.

Preferably, the additional pattern is formed by the multiple imitated patterns separated according to multiple slits.

Preferably, the width of the multiple imitated pattern is equal with the width of the multiple conductive pattern.

Preferably, the additional pattern is connected to the multiple conductive pattern.

Preferably, at least one in the first substrate and the second substrate also includes：Dummy pattern, have and institute State multiple conductive pattern identical materials.

Preferably, multiple conductive patterns of the first substrate and multiple conductive patterns of the second substrate by Connected in multiple conductive vias.

Preferably, the radio antenna also includes：Resin bed, described is arranged in the gabarit of the magnetic Between one substrate and the second substrate, wherein, the multiple conductive vias is formed through the resin bed.

Preferably, the first substrate and the second substrate substantially have circular shape, the multiple electric conductivity String of the pattern along the circular shape and arrange.

Preferably, a substrate in the first substrate and the second substrate also includes：Contact terminal, for receiving The drive signal of application；And pattern is drawn, the most gabarit region of the first substrate or the second substrate is arranged in, is used for Connect the contact terminal and the multiple conductive pattern.

In addition, according to one embodiment of the present utility model, there is provided a kind of wearable device, including：Display；Illumination passes Sensor, for sensing ambient light by the display；And radio antenna, the bottom of the display is arranged in, and Including for make the illuminance transducer be exposed to the ambient light through hole, wherein, the radio antenna includes：Spiral shell Spool coil, formed by the winding of multiple conductive patterns in a manner of magnetic is formed core；And additional pattern, using with institute State multiple conductive pattern identical materials and be formed at the region adjacent with the through hole.

Preferably, the additional pattern is formed by the multiple imitated patterns separated according to slit.

Preferably, the additional pattern is connected to the multiple conductive pattern and forms the office of the solenoid coil Portion.

Preferably, the radio antenna also includes：Multiple conductive vias, connect the magnetic top it is more Individual conductive pattern and multiple conductive patterns of the bottom of the magnetic.

Preferably, the radio antenna substantially has circular shape, and the multiple conductive pattern is described in The string of circular shape and arrange.

Preferably, the radio antenna radiation includes the magnetic field impulse of magnetic stripe data.

Preferably, the magnetic has the structure for being laminated the magnetosphere as the wire belt of thin plate.

Included according to the radio antenna of one embodiment of the present utility model and the wearable device comprising the antenna Miniaturization, the solenoid coil of filming, and there is improved radiation characteristic.

Moreover, when being mounted on wearable device, it can prevent occurring the phenomenon of shadow region in display.

Brief description of the drawings

Fig. 1 performs the vertical of one of radio communication for expression according to the wearable device of one embodiment of the present utility model Body figure.

Fig. 2 is the figure for the both end voltage for representing the magnetic head adjacent with magnetic card.

Fig. 3 is the magnetic head magnetic knot for representing magnetic card reader together in the radio communication according to one embodiment of the present utility model The figure of one of antenna.

Fig. 4 is the exploded perspective view according to the wearable device of an example of the present utility model.

Fig. 5 is to represent stereogram internal behind the wearable device according to one embodiment of the present utility model.

Fig. 6 a are the front elevation according to the radio antenna of one embodiment of the present utility model.

Fig. 6 b are the back view according to the radio antenna of one embodiment of the present utility model.

Fig. 6 c are Fig. 6 a I-I ' profiles.

Fig. 7 a are the figure of another embodiment of the additional pattern formed in the region A for represent Fig. 6 a.

Fig. 7 b are the figure of another embodiment of the additional pattern formed in the region B for represent Fig. 6 b.

Fig. 8 a are the figure of another embodiment of the additional pattern formed in the region A for represent Fig. 6 a.

Fig. 8 b are the figure of another embodiment of the additional pattern formed in the region B for represent Fig. 6 b.

Symbol description

601：First substrate

602：Second substrate

603：Magnetic

605：Through hole

610、620：Multiple conductive patterns

630：First additional pattern

640：Second additional pattern

670：Contact terminal

Embodiment

Hereinafter, various embodiment of the present utility model is illustrated refering to accompanying drawing.

However, embodiment of the present utility model can be deformed into various other forms, the scope of the utility model not limits It is set to embodiment described below.And, there is provided embodiment of the present utility model is intended to the utility model is more complete Ground illustrates to the personnel for possessing average knowledge in the technical field belonging to the utility model.It is it should be appreciated that of the present utility model more The embodiment of sample is different, but necessarily mutually exclusive necessity is not present.

Also, when mentioning " comprising " inscape, unless otherwise especially opposite record, otherwise it is not precluded from other Inscape, it is meant that other inscapes can also be included.Form and dimension of all key elements in accompanying drawing etc. is schemed by exaggeration Show in favor of more clearly illustrating, the key element represented in accompanying drawing with identical symbol can be regarded as same or similar key element.

Fig. 1 is represent to perform radio communication according to the wearable device 30 of one embodiment of the present utility model one Stereogram.

Referring to Fig. 1, wearable device can be worn on the human bodies such as arm, head or be fixed on spy by means of band Determine the electronic equipment of works.Below, it is assumed that wearable device of the present utility model has wrist-watch form and illustrated, but not It is defined in this.

Radio antenna 20 is applied to wearable device 30.Radio antenna 20 can be according to the control of wearable device 30 Make and form magnetic field.Radio antenna 20 can be operated by transmit coil, and magnetic knot is together in the nothing with receiving coil Line signal receiving device 10, so as to wirelessly transmit information.

In example as shown in Figure 1, wireless signal receiver 10 is magnetic card reader.According to embodiment, except magnetic Beyond card reader 10, various wireless signal receiver can also be used.

Radio antenna 20 forms the magnetic field extensively spread, so as in the position of the receiving coil of magnetic card reader 10 Or angle change in the case of, also can magnetic knot together in magnetic card reader 10.

In one embodiment, radio antenna 20 converts the direction in magnetic field, so as to the data (example that will be transmitted Such as, the card numbering data of magnetic card 220) it is transferred to magnetic card reader 10.That is, magnetic card reader 10 is using by from radio antenna The direction transformation in the magnetic field formed in 20 senses the change of the both end voltage of the receiving coil of generation and generates the card numbering Data.

Hereinafter, referring to Fig. 2 and Fig. 3 to the conjunction of the magnetic knot of radio antenna and magnetic card reader 10 and magnetic card reader 10 Action be described in more details.

Magnetic card reader 10 (Fig. 1) includes magnetic head 210 and analogue-to-digital converters (not shown).Magnetic head 210 is by means of magnetic Flux (Magnetic Flux) and generate voltage.That is, magnetic head 210 may include receiving coil 211, can be produced by magnetic field detection It is born in the both end voltage V at the both ends of receiving coil 211_head。

When receiving coil 211 is present in magnetic field, generation both end voltage is sensed because of magnetic flux in receiving coil 211 (V_head).Sense the both end voltage V of generation_headAnalogue-to-digital converters are provided to, the analogue-to-digital converters are then by both ends Voltage generation decoded signal V_decode.Decoded signal V_decodeCan be digital voltage signal, can be by decoded signal V_decodeGeneration card Information data.

The magnetic stripe 225 being magnetized in magnetic card 220 be present.As magnetic head 210 is displaced on magnetic stripe 225, the reception of magnetic head 210 Generation both end voltage V is sensed in coil 211 because of magnetic flux_head。

Both end voltage V_headCrest voltage can be had according to the polarity of magnetic stripe 225.For example, when identical polarity (S and S, N and N) it is adjacent when, the both end voltage V of receiving coil 211_headThere can be crest voltage.

Also, analogue-to-digital converters are by both end voltage V_headGenerate decoded signal V_decode.For example, analog to digital turns Parallel operation can generate decoded signal V whenever generation edge (Edge) when crest voltage is detected_decode。

Numerical data can be by the decoded signal V_decodeDecoding forms.For example, according to decoded signal V_decodeCycle Length, decodable code go out " 1 " or " 0 ".According to the example of diagram, it is known that decoded signal V_decodeA cycle and second period For 2 times of the 3rd cycle.Therefore, decoded signal V_decodeA cycle and second period be decoded as " 1 ", the 3rd Individual cycle to the 5th cycle is then decoded as " 0 ".This decoding process is exemplary, self-evidently, can be applied more The decoding technique of sample.

Example of the magnetic card reader by the perform decoding of magnetic magnetic stripe 225 is shown in Fig. 2.In addition, magnetic head 210 not only can be by magnetic Property magnetic stripe 225 generate both end voltage, but also both ends electricity can be generated by the magnetic field of the generation in the radio antenna 20 (Fig. 1) Pressure.That is, the magnetic knot of magnetic head 210 of magnetic card reader together in radio antenna transmit coil, so as to receive data (such as Block numbering data).

Fig. 3 is the magnetic knot of magnetic head 210 for representing magnetic card reader together according to the wireless of one embodiment of the present utility model The figure of one of communication antenna 310.

Referring to Fig. 3, radio antenna 310 for example can be from the drive signal maker 330 being contained in wearable device The application of drive signal is obtained, so as to form magnetic field.The magnetic knot of magnetic head 210 together in the magnetic field formed by transmit coil 311, so as to To receive data.

Also, radio antenna 310 may include：Filter circuit 320, for eliminating noise from drive signal, or For by TRANSFORMATION OF THE DRIVING into suitable for drive radio antenna 310 form.

Fig. 4 is the exploded perspective view according to the wearable device of one embodiment of the present utility model.

Referring to Fig. 4, wearable device includes shell 410, display 420, battery 430, radio antenna 440 and mainboard 450.Moreover, as one, wearable device may include the band 460 for allowing user to dress, and shell 410 includes display shell Body 411, battery case 412 and main body 413.

Display 420 be can be disposed at before shell 410, and electronic signal is visualized and visual information is supplied into use Family.Moreover, as one, it may include receive the touch panel of the touch input from the contact object such as finger.

Battery 430 provides the power supply for driving wearable device.Battery 430 can be installed in battery case 412, and energy It is enough to be charged with wireless power charging modes.

The drive signal maker 330 (Fig. 3) for being mounted on mainboard 450 can provide for driving radio antenna 440 Drive signal, to form magnetic field.That is, radio antenna 440 can radiate magnetic field impulse by transmit coil 311 (Fig. 3).

Also, the transmit coil magnetic knot is together in the wireless signal receiver with receiving coil 211 (Fig. 3), so as to Information can wirelessly be transmitted.Here, described information can be magnetic stripe (Magnetic Stripe) data.

Although being not shown in accompanying drawing, but wearable device includes being used to sense by the display 420 incident week Enclose the illuminance transducer of light.Radio antenna 440 can be disposed at the bottom of the display 420, and in order to by the illumination Sensor is exposed to ambient light and including through hole 445.

In Fig. 4, the situation being mounted on to radio antenna 440 between display 420 and battery case 412 is carried out Diagram, but the mounting position of radio antenna 440 can but change.On the radio antenna 440, it will Given the account in greater detail in Fig. 6 a to Fig. 8 b.

Band 460 may make up two and be connected to main body.Moreover, it is configured to single one-piece type feelings in band 460 Under condition, there can be the form for surrounding main body 413.

Fig. 5 is to show stereogram internal behind the wearable device according to one embodiment of the present utility model.

Referring to Fig. 4 and Fig. 5, wearable device may include wireless power receiving coil 470.As one, wireless power connects Take-up circle can be disposed at behind the main body 413 of wearable device between mainboard 450.

Also, wireless power receiving coil 470 may include the opposite side in the back side for being arranged in the main body 413 for receiving wireless power Shielding piece.The shielding piece can be made up of the magnetic piece on a surface for being arranged in wireless power receiving coil 470, Huo Zheke Formed by being coated with ferrite or electroconductive powder.Such shielding piece is equipped with to realize following purpose：It is efficiently formed The magnetic circuit of wireless power, and minimize and involve in the influence in the magnetic field of battery.

However, shielding piece may reduce the radiation scope in the magnetic field formed by radio antenna 440.Therefore, for adopting For wearable device 400 with this shielding piece, compared with the radiation characteristic of spiral (Spiral) coil, it can be set wearable Standby 400 side and the side of radio antenna 440 have the radio antenna for including solenoid coil of radiation direction 440 have favourable radiation characteristic.

Fig. 6 a are according to the front elevation of the radio antenna of one embodiment of the present utility model, and Fig. 6 b are according to this reality With the back view of the radio antenna of new one embodiment, Fig. 6 c are the profile along Fig. 6 a I-I '.

Referring to Fig. 6 a and Fig. 6 b, the first base is included according to the radio antenna 600 of one embodiment of the present utility model Plate 601, second substrate 602, magnetic 603 and through hole 605.

Referring to Fig. 6 a, first substrate 601 is arranged in the first surface of magnetic 603, and including multiple conductive patterns 610.The multiple conductive pattern 610 is arranged in parallel on first substrate 601.Referring to Fig. 6 a region A, can confirm that it is not Form the region of the multiple conductive pattern 610.Such region is defined as the region adjacent to through hole 605.

In addition, (scheme when being arranged in display 420 according to the radio antenna 600 of one embodiment of the present utility model 4) during bottom, it can prevent from producing the phenomenon of shadow region in the picture of display.

In the region adjacent to the through hole 605, multiple conductive patterns 610 are not arranged.It is additionally, since first The material of the material of substrate 601 and the multiple conductive pattern 610 differs, therefore first substrate 601 and multiple electric conductivity Pattern 610 has differences in terms of the reflectivity to light.Through the display light can the difference based on this reflectivity and Shadow region is induced in the picture of the display.

In order to prevent the generation of this shadow region, the first additional pattern 630 is formed at the through hole with first substrate 601 605 adjacent regions.First additional pattern 630 has the identical material of multiple conductive patterns 610 with first substrate 601. Accordingly, the first additional pattern 630 is identical with the reflectivity to light of multiple conductive patterns 610, therefore can prevent display Picture in there is the phenomenon of shadow region.

Also, on first substrate 601, it can arrange that first is empty in the region of no multiple conductive patterns 610 of arrangement If pattern 635.In Fig. 6 a, the first dummy pattern 635 is arranged in the bottom of the gabarit of first substrate 601.Such first is empty If pattern 635 can have with multiple identical materials of conductive pattern 610, and can have and the identical of the first additional pattern 630 Function.

Referring to Fig. 6 b, second substrate 602 is arranged in the second surface of magnetic 603, and including multiple conductive patterns 620.The multiple conductive pattern 620 is arranged in parallel on second substrate 602.Referring to Fig. 6 b region B, it can confirm it is non-shape Into the region of the multiple conductive pattern 620.Such region is defined as the region adjacent to through hole 605.With first Substrate 601 in the same manner,, can be in the insertion with second substrate 602 on second substrate 602 in order to prevent the generation of shadow region The adjacent region in hole 605 forms the second additional pattern 640.Second additional pattern 640 has multiple conductions with second substrate 602 The property identical material of pattern 620.Moreover, identically with first substrate 601, on first substrate 602, the multiple conductions of arrangement are not given The second dummy pattern 645 can be arranged in the region of property pattern 620.

Here, the first substrate 601 and second substrate 602 are used as film substrate, such as can be the soft of FPCB etc Property substrate.However, the first substrate 601 and second substrate 602 are not limited to example as described above.Also, first substrate 601 and second substrate 602 can substantially have circular shape.In this case, multiple electric conductivity figures of first substrate 601 String (chord) of the multiple conductive patterns 620 of case 610 and second substrate 602 along the circular shape is arranged.

However, the first substrate 601 and second substrate 602 are not limited to example as described above, it can have ellipse Circle, the shape of polygon.Moreover, the first substrate 601 can have the part of local dent or protrusion with second substrate 602.

Moreover, radio antenna 600 may include to be used for the contact terminal 670 electrically connected with mainboard 450 (Fig. 4).Contact Terminal 670 can be disposed at one end of the lead division 671 from first substrate 601 and the protrusion of second substrate 602.

Also, radio antenna 600 includes：Conductive vias 650, for being connected in the peripheral region of magnetic 603 The first substrate 601 and the second substrate 602.The conductive vias 650 can be in the gabarit of magnetic 603 along phase Formed adjacent to the region of the marginal position of first substrate 601.

Multiple conductive patterns 610 of first substrate 601 and multiple conductive patterns 620 of second substrate 602 form line The circle of circle.For example, a conductive pattern in multiple conductive patterns 610 of first substrate 601 can pass through conductive vias And be connected with a conductive pattern in multiple conductive patterns 620 of second substrate 602, and by such connection and structure Into a circle of coil.Moreover, referring to Fig. 6 b region C, each conduction in multiple conductive patterns 620 of second substrate 602 Property pattern can have the bendability holding predetermined angle and bend, with multiple conductions of the first substrate 601 with being formed next circle Property pattern connection.

That is, multiple conductive patterns 610 of first substrate 601 and multiple conductive patterns 620 of second substrate 602 according to Make magnetic 603 form the mode of core to wind and form solenoid coil.The solenoid coil includes first coil portion and the Two coil portion.The first coil portion will not form the region of multiple conductive patterns 610,620 with second coil portion It is separated by arrangement between being placed in (that is, adjacent to the region of through hole 605).That is, in the first coil portion and the second coil portion Between be disposed with the region adjacent with through hole 605.Moreover, the first coil portion and the second coil portion are by means of crossing and passing through The connection member 615 in the adjacent region of through hole 605 and be connected in series with each other.For example, in the first substrate of radio antenna 600 In the case that 601 are arranged in a manner of being abutted with display 420 (Fig. 4), the connection member 615 is likely to become shadow region production The reason for raw, therefore the connection member 615 may be arranged on the second substrate 602 not abutted with display 420 (Fig. 4).

Solenoid coil utilizes the coil of silk (wire) shape unlike the past, but utilizes and be formed at thin film substrate On conductive pattern, therefore turn into thin film coil.That is, 602 first substrate 601, magnetic 603 and second substrate layers The folded film coil has thin thickness.

In addition, radio antenna 600 is driven by contact terminal 670 to be obtained from drive signal maker 330 (Fig. 3) Dynamic signal.In order to which the drive signal to be put on to the both ends of the solenoid coil, can also include drawing pattern 675.Such as Shown in Fig. 6 a, the most gabarit region that pattern 675 can be disposed at first substrate 601 is drawn, that is, is arranged in the multiple electric conductivity figure The most gabarit region of case.Accordingly, it is described draw pattern 675 can be located at light by display 420 (Fig. 4) and incidence region it Outside, therefore the generation of shadow region can be prevented.Moreover, the extraction pattern 675 can be disposed at second substrate 602.

Magnetic 603 can be formed by laminal magnetospheric stacking.The magnetosphere as non-retentive alloy, It can be the laminal wire belt with amorphous state (amorphous) structure or nanocrystalline phase structure.Or magnetic 603 can be made up of the permalloy (permalloy) as high magnetic susceptibility material.Magnetic 603 prevents vortex flow, and strengthen by The magnetic field that the solenoid coil is formed.

The shape of magnetic 603 can be according to the shape of first substrate 601 and second substrate 602, or multiple conductive patterns 610th, 620 length and arrangement and diversely deform.That is, magnetic 603 can have circular, ellipse, the shape of polygon, and There can be at least part of a local dent or protrusion.According to the metamorphosis of such magnetic 603, solenoid coil institute The radiation direction and radiation scope in the magnetic field of radiation can be adjusted.

Referring to Fig. 6 c, radio antenna 600 includes first substrate 601, second substrate 602 and magnetic 603.The magnetic Property body 603 is arranged between first substrate 601 and second substrate 602.Also, first substrate 601 includes multiple conductive patterns 610, second substrate 602 includes multiple conductive patterns 620.

That is, it is described if magnetic 603 is considered as into a substrate for the radio antenna according to one The upper and lower part of substrate can form multiple conductive patterns 610,620, and can include being used for the conduction that will be formed in top Property pattern 610 and be formed at the conductive vias 650 that the conductive pattern 620 of bottom is attached.

In addition, first substrate 601 or second substrate 602 can be attached by means of adhesive sheet 604 with magnetic 603.Bonding Piece 604 can be formed by jointing tape, can also be by first substrate 601 and the table of second substrate 602 or magnetic 603 Face coating adhesive has the resin of cementability and formed.

Conductive vias 650 and multiple conductive patterns 610 of first substrate 601 and multiple conductions of second substrate 602 Property pattern 620 form together surround magnetic 603 solenoid form coil.

As fig. 6 c, an electric conductivity figure on the conductive pattern and second substrate 602 on first substrate 601 Case is connected by two conductive vias 650, so as to prevent the broken string between conductive pattern.

Also, radio antenna may include resin bed 690, resin bed 690 can be by the warm with insulating properties and cementability Curable resin is formed.

Resin bed 690 can be arranged between first substrate 601 and second substrate 602 in the gabarit of magnetic 603.It is described Resin bed 690 supports first substrate 601 and second substrate 602 in the clearance spaces around magnetic 603, therefore can prevent The broken string that occurs in technique, bubble flow into etc. bad.Also, conductive vias 650 can run through resin bed 690 and be formed.

Hereinafter, the additional pattern included referring to Fig. 7 a to Fig. 8 b and to radio antenna of the present utility model it is another Example illustrates.The example of the radio antenna illustrated referring to Fig. 7 a to Fig. 8 b is without the radio communication day with Fig. 6 a to Fig. 6 c The example of line is mutually exclusive.Therefore, the explanation that the elaboration related to above-mentioned radio antenna repeats is omitted.

Fig. 7 a are the figure of another embodiment of the additional pattern formed in the region A for represent Fig. 6 a, and Fig. 7 b are expression Fig. 6 b Region B in the figure of another embodiment of additional pattern that is formed.

Referring to Fig. 7 a, first substrate 701 includes forming the first additional pattern 730 in the region adjacent with through hole 705, First additional pattern 730 is made up of the multiple first imitated patterns 731.

Multiple first imitated patterns 731 have and multiple identical materials of conductive pattern 710.Moreover, multiple first is imitative Pattern 731 has and multiple identical width of conductive pattern 710.Accordingly, shadow region is produced in the picture of display Phenomenon can be prevented more efficiently.

Referring to Fig. 7 b, identically with first substrate 701, second substrate 702 includes being formed in the area adjacent with through hole 705 Second additional pattern 740 in domain, second additional pattern 740 are made up of the multiple second imitated patterns 732.Also, the second base Plate 702 includes crossing the connection member 715 in the region adjacent with the through hole 705.

Fig. 8 a are the figure of another embodiment of the additional pattern formed in the region A for represent Fig. 6 a, and Fig. 8 b are expression Fig. 6 b Region B in the figure of another embodiment of additional pattern that is formed.

Referring to Fig. 8 a, first substrate 801 includes forming the first additional pattern 830 in the region adjacent with through hole 805, First additional pattern 830 includes multiple slits 835.First additional pattern 830 by means of the slit 835 by dividing From the multiple first imitated patterns 831 form.

Multiple first imitated patterns 831 have and multiple identical materials of conductive pattern 810.Moreover, multiple first is imitative Pattern 831 has and multiple identical width of conductive pattern 810.Accordingly, the picture of display can be more effectively prevented from The middle phenomenon for producing shadow region.

Referring to Fig. 8 b, identically with first substrate 801, second substrate 802 includes being formed at the area adjacent with through hole 805 Second additional pattern 840 in domain, second additional pattern 840 include multiple slits 845.Second additional pattern 840 by The the multiple second imitated patterns 832 separated by means of the slit 845 are formed.

The additional pattern 840 of first additional pattern 830 and second can be more with first substrate 801 and second substrate 802 Individual conductive pattern 810,820 connects.Also, the first additional pattern 830 and the second additional pattern 840 can pass through conductive vias And it is connected with each other.

By such connection, the first additional pattern 830 and the second additional pattern 840 can form the office of solenoid coil Portion.

The utility model described above is not limited to foregoing embodiment and accompanying drawing, but is limited by claims It is fixed, various change can be subject to inscape of the present utility model in the range of technological thought of the present utility model is not departed from More and change, this is self-evident for possessing the personnel of ABC in the technical field belonging to the utility model.

Claims

A kind of 1. radio antenna, it is characterised in that including：

Magnetic；

First substrate and second substrate, the first substrate are arranged in the first surface of the magnetic, the second substrate cloth It is placed in the second surface of the magnetic；And

Through hole, through the magnetic, the first substrate and the second substrate,

Wherein, the first substrate and the second substrate include：

Multiple conductive patterns, formed in a manner of winding the magnetic；And

Additional pattern, the region adjacent with the through hole is formed at using with the multiple conductive pattern identical material.
2. radio antenna as claimed in claim 1, it is characterised in that the additional pattern according to multiple slits by dividing From multiple imitated patterns formed.
3. radio antenna as claimed in claim 2, it is characterised in that the width of the multiple imitated pattern with it is described more The width of individual conductive pattern is equal.
4. radio antenna as claimed in claim 1, it is characterised in that the additional pattern is connected to the multiple conduction Property pattern.
5. radio antenna as claimed in claim 1, it is characterised in that in the first substrate and the second substrate It is at least one also to include：

Dummy pattern, have and the multiple conductive pattern identical material.
6. radio antenna as claimed in claim 1, it is characterised in that multiple conductive patterns of the first substrate with Multiple conductive patterns of the second substrate are connected by means of multiple conductive vias.
7. radio antenna as claimed in claim 6, it is characterised in that also include：

Resin bed, it is arranged in the gabarit of the magnetic between the first substrate and the second substrate,

Wherein, the multiple conductive vias is formed through the resin bed.
8. radio antenna as claimed in claim 1, it is characterised in that the first substrate and second substrate essence It is upper with circular shape, string of the multiple conductive pattern along the circular shape and arrange.
9. radio antenna as claimed in claim 1, it is characterised in that in the first substrate and the second substrate One substrate also includes：

Contact terminal, for receiving the drive signal applied；And

Pattern is drawn, the most gabarit region of the first substrate or the second substrate is arranged in, for connecting the contact jaw Sub and the multiple conductive pattern.
A kind of 10. wearable device, it is characterised in that including：

Display；

Illuminance transducer, for sensing by the incident ambient light of the display；And

Radio antenna, the bottom of the display is arranged in, and including for making the illuminance transducer exposed to described The through hole of ambient light,

Wherein, the radio antenna includes：

Solenoid coil, formed by the winding of multiple conductive patterns in a manner of magnetic is formed core；And

Additional pattern, the region adjacent with the through hole is formed at using with the multiple conductive pattern identical material.
11. wearable device as claimed in claim 10, it is characterised in that the additional pattern according to slit by separating Multiple imitated patterns are formed.
12. wearable device as claimed in claim 10, it is characterised in that the additional pattern is connected to the multiple conduction Property pattern and form the part of the solenoid coil.
13. wearable device as claimed in claim 10, it is characterised in that the radio antenna also includes：

Multiple conductive vias, connect multiple conductive patterns and the magnetic on the top of the magnetic bottom it is more Individual conductive pattern.
14. wearable device as claimed in claim 10, it is characterised in that the radio antenna substantially has circle Shape, string of the multiple conductive pattern along the circular shape and arrange.
15. wearable device as claimed in claim 10, it is characterised in that the radio antenna radiation includes magnetic stripe number According to magnetic field impulse.
16. wearable device as claimed in claim 10, it is characterised in that the magnetic has as the metal of thin plate The structure that the magnetosphere of silk ribbon is laminated.