CN110336112A - The electronic equipment of antenna feed element, tuned cell in conjunction with display screen component - Google Patents
The electronic equipment of antenna feed element, tuned cell in conjunction with display screen component Download PDFInfo
- Publication number
- CN110336112A CN110336112A CN201910384918.3A CN201910384918A CN110336112A CN 110336112 A CN110336112 A CN 110336112A CN 201910384918 A CN201910384918 A CN 201910384918A CN 110336112 A CN110336112 A CN 110336112A
- Authority
- CN
- China
- Prior art keywords
- antenna
- tuned cell
- display screen
- screen component
- feed element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Landscapes
- Support Of Aerials (AREA)
- Details Of Aerials (AREA)
Abstract
The invention discloses the electronic equipment of antenna feed element, tuned cell in conjunction with display screen component; including display screen component, metal center, control circuit and battery; the display screen component includes protection board, touch screen mould group, display module and flexible circuit board; the flexible circuit board is equipped with the first protrusion region, the second protrusion region, transmission line portions and the connector being connected for flexible circuit board with electronic equipment mainboard, and first protrusion region is equipped with antenna feed element and antenna aperature tuned cell I；The transmission line portions include radio-frequency line, control route I and control route II, the radio-frequency line, control route I and control route II are respectively positioned on flexible circuit inner cord, and wherein the copper clad layers of radio-frequency line and flexible circuit board tow sides collectively form strip lines configuration.The present invention improves level of integrated system, and printing board PCB needed for reducing antenna improves aperture tuning setting flexibility ratio.
Description
Technical field
The present invention relates to a kind of electronic equipment, and in particular to a kind of antenna feed element, tuned cell and display screen component
In conjunction with electronic equipment.
Background technique
Currently, the function of the electronic equipments such as smart phone is more and more abundant with the development of mobile communication technology, living
In effect it is also more and more important.However in the case where electronic equipment size is intended to lightening, shield accounting also constantly
It is promoted, the distance between display screen component and casting of electronic device constantly reduce, and cause the headroom of antenna smaller and smaller, performance is got over
Come more severe, is unable to satisfy upcoming 5G communication era, number of frequency bands increases and extensive antenna Massive MIMO couple
The increased demand of antenna amount.In order to make the maximization of distance between antenna and metal ground, to increase antenna headroom, day is promoted
Line efficiency needs as much as possible using smart phone metal center or metal back cover both ends, using its part metals item as one
Or some or all of mutiple antennas radiator.It, can be in the metal strip as radiator in order to realize antenna multiple-frequency operation
Suitable position places tuning device Tuner, usually switch or variable capacitance, and antenna is allow to work in different tuning device shapes
The corresponding different frequency range of state.But since the printing board PCB of most of smart phones is generally all located at complete machine upper position,
Therefore how to be fed to complete machine bottom metal item, and it is tuned, there is challenge to meet multiple band operation demands.It is existing
Processing mode is to increase a small printed circuit board in smart phone bottom, and antenna match, tuning device etc. are placed
Thereon, radiofrequency signal is imported on small pcb board by main PCB plate by coaxial line, the feed that can solve bottom antenna needs
It asks.And the control signal of tuning device, then flexible signal winding displacement can be shared with USB, pass through connector, flexible circuit from mainboard
Plate FPC, on the small pcb board that signal converting to USB and antenna tuning device are shared, to realize the control to tuning device.
But since the presence of the components such as loudspeaker and its sound chamber is usually arranged at smart phone bottom, small PCB is typically only capable to be set to intelligence
The corner at the middle part of mobile phone bottom and separate sound chamber, therefore in the region of no small PCB, antenna feed point and tuning cannot be set
Device tuning point causes greatly to limit to design freedom.
In addition, when being fed to bottom metal strip antenna radiator, due to it is usually necessary to use coupling feed way,
And feed element is connected with the not direct direct current of metal strip, but fed by way of high-frequency coupling, it in this way can be effective
Ground introduces a lesser distributed capacitor, to keep antenna more preferable in low-frequency resonant.But due to being connected to feed element simultaneously
For the metal object of couple feed, such as flexible circuit board FPC, laser direct forming LDS, it is limited to bracket shape, Wu Fajin
It measures close to metal strip antenna radiator, to also result in, coupling is enough, and distributed capacitor is too small, and low-frequency resonant frequency point is discontented
Sufficient demand.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of antenna feed element, tuned cell and display screen component knots
The feeder line of antenna, feed element, aperture tuned cell and relevant control route are integrated in aobvious by the electronic equipment of conjunction
On display screen component flexible circuit board, level of integrated system is improved, reduces antenna feed and aperture tune positioned at electronic equipment bottom
Humorous required printing board PCB improves aperture tuning setting flexibility ratio, while antenna couple feed metal routing can be more
Add close to antenna radiator, promotes antenna efficiency.
The technical proposal for solving the technical problem of the invention is: a kind of antenna feed element, tuned cell and display
The electronic equipment that screen assembly combines, including display screen component, metal center, control circuit and battery, the display screen component packet
Protection board, touch screen mould group, display module and flexible circuit board are included, the flexible circuit board is equipped with the first protruding portion subregion
Domain, the second protrusion region, transmission line portions and the connector being connected for flexible circuit board with electronic equipment mainboard, institute
The first protrusion region is stated equipped with antenna feed element and antenna aperature tuned cell I, second protrusion region
It is equipped with antenna aperature tuned cell II；The transmission line portions include radio-frequency line, control route I and control route II, institute
It states radio-frequency line, control route I and control route II and is respectively positioned on flexible circuit inner cord, wherein radio-frequency line and flexible circuit board
The copper clad layers of tow sides collectively form strip lines configuration, and described radio-frequency line one end connects radio frequency mould group by connector, separately
One end is connected with antenna feed element, the control route I and control route II respectively with antenna aperature tuned cell I and antenna
Aperture tuned cell II connects.
As a preference, the antenna feed element includes radio frequency testing seat and Antenna Impedance Matching device, and connection
The metal clips or metal screws of antenna body.
As a preference, the antenna aperature tuned cell I and antenna aperature tuned cell II include tuning switch
Or variable capacitance, peripheral inductance capacitance device, and the metal clips or metal screws of connection antenna body.
As a preference, frame bottom is equipped with beta radiation body in the metal, the antenna radiator and metal center it
Between be provided with breaking joint, breaking joint width is in 1~3mm.
As a preference, passing through metal clips or metal screws between the antenna radiator and antenna feed element
Directly conducting feed, or pass through metal routing capacitive coupling indirect feed, the beta radiation body and antenna aperature tuned cell I
Feed is directly connected by metal clips or metal screws respectively between antenna aperature tuned cell II.
As a preference, the flexible circuit board material is modified polyimide MPI, liquid crystal polymer LCP or low temperature
Common burning porcelain Low Temperature Co-fired Ceramic LTCC.With excellent electrical characteristic, dielectric constant is by frequency
Rate influence is small, and tangent loss is small；It thermally expands small, can be used as polyimides PI soft board alternative techniques.It can be applied to high-frequency circuit
The fields such as substrate, IC package, high frequency connectors, display module substrate, antenna.
As a preference, the protection board covered on the display screen component is that transparent glass protection board or sapphire are protected
Plate.
The present invention provide a kind of antenna feed element, the solution that antenna tuning unit and display screen component combine and
Electronic equipment, so as to solve the deficiencies in the prior art.Electronic equipment provided by the present invention includes being not limited to mobile communication to set
It is standby, such as mobile phone, wearable device, car networking equipment, unmanned plane.Antenna feed element provided by the present invention, antenna tuning
Unit is tuned single by feeder line, impedance matching unit, direct feed unit or INDIRECT COUPLING unit, radiating element and aperture
The components such as member are constituted.Antenna provided by the present invention, in addition to radiating element, other component units be all set in display screen component it
On.
There can be one or more protrusions on flexible circuit board of the present invention, for placing antenna feed element and antenna aperature
Tuned cell.Antenna feed element can be combined collocation, antenna aperature by one or more tuning switch and variable capacitance
Tuned cell is also possible to the combination collocation of one or more tuning switch and variable capacitance.By by the feeder line of antenna,
Feed element, aperture tuned cell and relevant control route, are integrated on display screen component flexible circuit board.Flexible circuit board
On other antenna cablings and its feed element and tuned cell can also be set, other antennas include be not limited to LTE or
5G communication antenna, Bluetooth antenna, WIFI antenna, GPS antenna etc..Wherein antenna aperature tuned cell position and quantity can be certainly
By being arranged.
The beneficial effects of the present invention are: by the feeder line of antenna, feed element, aperture tuned cell and relevant control
Route is integrated on display screen component flexible circuit board.Level of integrated system is improved, the day positioned at electronic equipment bottom is reduced
Printed circuit board (PCB) needed for line feed and aperture tuning, improves aperture tuning setting flexibility ratio, effectively solution loudspeaker sound
Printed circuit board (PCB) can not be arranged in the devices such as chamber position, it has not been convenient to carry out the difficulty of aperture tuning, while antenna couples
Feed metal cabling can promote antenna efficiency closer to antenna radiator.Display screen component flexible circuit board is using modification
Polyimides MPI, liquid crystal polymer LCP or low-temperature co-fired ceramics Low Temperature Co-fired Ceramic LTCC
Deng being used as substrate of flexible circuit board, there is excellent electrical characteristic, dielectric constant is held nearly constant within the scope of communications band,
Tangent loss is only 0.002, and thermal expansion is very small, and high-frequency high-speed soft board can be realized under the premise of guaranteeing higher reliability.
Antenna feed radio-frequency line is that strip line is arranged in flexible circuit board to have saved cost instead of traditional coaxial line, is solved
Because electronic equipment internal height in hand is inadequate, the problem of coaxial line can not be placed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the schematic diagram of internal structure of the embodiment of the present invention.
Fig. 3 is the cross-sectional view of transmission line portions of the embodiment of the present invention.
Fig. 4 is the schematic diagram of metal of embodiment of the present invention center.
Fig. 5 is the schematic diagram of feed element of the embodiment of the present invention, tuned cell.
The present invention will be further described with reference to the accompanying drawing.
Specific embodiment
In conjunction with shown in each attached drawing, a kind of antenna feed element, electronic equipment of the tuned cell in conjunction with display screen component,
Including display screen component 21, metal center 22, control circuit and battery, the display screen component 21 is protected including transparent glass
Plate, touch screen mould group, display module and flexible circuit board 210, the flexible circuit board 210 are equipped with the first protrusion region
211, the second protrusion region 212, transmission line portions 213 and it is connected for flexible circuit board 210 with electronic equipment mainboard
Connector 214, first protrusion region 211 is equipped with antenna feed element 2181 and antenna aperature tuned cell I
2182, second protrusion region 212 is equipped with antenna aperature tuned cell II 2183；
Wherein, the antenna feed element 2181 usually may include radio frequency testing seat and Antenna Impedance Matching device, as inductance,
Capacitor, tuning switch, variable capacitance etc..Antenna feed element 2181 can also include being connected with the antenna radiator, be used for
The metal clips or metal screws of direct feed；Or the metal routing for couple feed, with the antenna radiator it
Between form distribution capacity, and be connected indirectly in radio frequency band.The Antenna Impedance Matching device, for improving antenna impedance,
It can be switch matching way, be also possible to closed loop matching way, pass through the resistance to antenna different frequency range and different usage scenarios
The use demand of antenna broadband, multiband, more usage scenarios may be implemented in anti-tuning.
As a specific embodiment, antenna feed element 2181 provided by the present invention is specifically by inductance, capacitor, adjustable
Capacitor and its peripheral components, couple feed metal routing composition.The antenna aperature tuned cell 2182, by tuning switch or can
Power transformation appearance, peripheral inductance capacitance device, and the metal clips or the metal screws that connect antenna body etc. form.The display screen component
212 region of protrusion of flexible circuit board 210, is provided with antenna aperature tuned cell 2183.The antenna aperature tuning is single
Member 2183, by tuning switch or variable capacitance, peripheral inductance capacitance device, and the metal clips or the groups such as screw of connection antenna body
At.Antenna aperature tuned cell 2182 and antenna aperature tuned cell 2183, for changing aerial radiation aperture, to change day
Beta radiation frequency realizes antenna multiband operation.
As a specific embodiment, antenna aperature tuned cell 2182 provided by the present invention and antenna aperature tuning are single
Member 2183 is all made of 4*SPST antenna tuning switch and its peripheral components, constitutes antenna aperature tuning block.When the antenna hole
The 4*SPST antenna tuning switch of diameter tuned cell 2182 and antenna aperature tuned cell 2183 is when wherein one or more is connected,
It progress perception or capacitive can be loaded on antenna radiator, change aerial radiation length, to realize different frequency range, different uses
Scene work requirements.
The transmission line portions 213 include radio-frequency line 215, control route I 216 and control route II 217, the radio frequency
Route 215, control route I 216 and control route II 217 be respectively positioned on 210 internal layer of flexible circuit board, wherein radio-frequency line 215 with
The copper clad layers of 210 tow sides of flexible circuit board collectively form strip lines configuration, and described 215 one end of radio-frequency line passes through connector
214 connection radio frequency mould groups, the other end are connected with antenna feed element 2181, the control route I 216 and control route II 217
It is connect respectively with antenna aperature tuned cell I 2182 and antenna aperature tuned cell II 2183.Wherein, radio-frequency line 215 is this
The feeder line of antenna provided by inventing, is used for transmission radiofrequency signal, connects radio frequency mould group by 214 one end of connector,
The other end is connected with antenna feed element 2181, and is usually connected by radio frequency testing seat with Antenna Impedance Matching device.It is described
Radio-frequency line 215 usually requires to carry out impedance control, to ensure its impedance for 50 ohms.It, can in order to reduce transmission loss
Suitably to widen the line width of radio-frequency line 215, while shielding need to be carried out, prevent from interfering.Route 216 and control route 217 are controlled,
It is respectively used to control the antenna aperature tuned cell 2182 and the tuning switch or variable in antenna aperature tuned cell 2183
Capacitor comprising power supply line, control route etc..
Metal center 22 of the present invention supporting role for electronic equipment, and a complete metal is provided for electronic equipment
With reference to ground.First clearance zone is arranged at 22 bottom of metal center, and first clearance zone divides 22 bottom of metal center
Antenna radiator 221 out are provided with breaking joint between the antenna radiator 221 and metal center 22, breaking joint width is in 1~3mm.
Between the antenna radiator 221 and antenna feed element 2181, feed is directly connected by metal clips or metal screws, or
Person passes through metal routing capacitive coupling indirect feed, the beta radiation body 221 and antenna aperature tuned cell I 2182 and antenna
Feed is directly connected by metal clips or metal screws respectively between aperture tuned cell II 2183.First clearance zone is also
The devices such as loudspeaker, USB can be set.
As a specific embodiment, inventive antenna radiator 221 is logical with metal center 22 respectively at the breaking joint of both ends
It crosses nanometer injection molding or other techniques realizes physical connection.The antenna radiator 221 can also anywhere have breaking joint, and
Physical connection is realized by nanometer injection molding or other techniques at breaking joint.The antenna radiator 221 and antenna feed are single
Between member 2181, feed is directly connected by metal clips or metal screws, or present indirectly by metal routing capacitive coupling
Electricity.The antenna radiator 221 passes through metal elastic with the antenna aperature tuned cell 2182, antenna aperature tuned cell 2183
Piece or metal screws etc. are connected directly.Aperture tune in antenna aperature tuned cell 2182 and antenna aperature tuned cell 2183
When humorous device, such as tuning switch or variable capacitance work, aerial radiation aperture will change.
As a specific embodiment, in 4*SPST antenna tuning that the present invention uses switch, when wherein one or more
When conducting, can on antenna radiator carry out perception or capacitive load, change aerial radiation length, thus realize different frequency range,
Different usage scenario work requirements.The different frequency range antenna configuration state and user's difference to work needed for the electronic equipment makes
Antenna configuration state with scene, such as when left hand, the right hand, head add hand, can be set in advance in the configuration system of electronic equipment
In system.When electronic equipment, which detects it, is located at a certain working frequency range or a certain user's usage scenario, can to antenna condition into
The different configuration of row, to make Antenna Operation under best need state.
It, can be without creative invention as those skilled in the art, it is easy to which ground is based on the present invention
Other variants are derived, such as change the impedance matching form of antenna, change type, quantity and the position of aperture tuning device
It sets, all falls in the scope of protection of the present invention.
Claims (7)
1. a kind of antenna feed element, electronic equipment of the tuned cell in conjunction with display screen component, including display screen component (21),
Metal center (22), control circuit and battery, the display screen component (21) include protection board, touch screen mould group, display module
And flexible circuit board (210), it is characterised in that: the flexible circuit board (210) be equipped with the first protrusion region (211),
Second protrusion region (212), transmission line portions (213) and it is connected with electronic equipment mainboard for flexible circuit board (210)
The connector (214) connect, first protrusion region (211) are equipped with antenna feed element (2181) and antenna aperature tune
Humorous unit I (2182), second protrusion region (212) are equipped with antenna aperature tuned cell II (2183)；The biography
Defeated line part (213) includes radio-frequency line (215), control route I (216) and control route II (217), the radio-frequency line
(215), route I (216) are controlled and control route II (217) is respectively positioned on flexible circuit board (210) internal layer, wherein radio-frequency line
(215) strip lines configuration, the radio-frequency line (215) one are collectively formed with the copper clad layers of flexible circuit board (210) tow sides
End connects radio frequency mould group by connector (214), and the other end is connected with antenna feed element (2181), the control route I
(216) and control route II (217) respectively with antenna aperature tuned cell I (2182) and antenna aperature tuned cell II
(2183) it connects.
2. the electronic equipment that a kind of adjustable antenna as described in claim 1 and display screen component integrate, it is characterised in that: described
Antenna feed element (2181) includes radio frequency testing seat and Antenna Impedance Matching device, and connection antenna body metal clips or
Metal screws.
3. antenna feed element as described in claim 1, electronic equipment of the tuned cell in conjunction with display screen component, feature
Be: the antenna aperature tuned cell I (2182) and antenna aperature tuned cell II (2183) include tuning switch or can
Power transformation appearance, peripheral inductance capacitance device, and the metal clips or metal screws of connection antenna body.
4. antenna feed element as described in claim 1, electronic equipment of the tuned cell in conjunction with display screen component, feature
Be: metal center (22) bottom is equipped with beta radiation body (221), the antenna radiator (221) and metal center (22)
Between be provided with breaking joint, breaking joint width is in 1 ~ 3mm.
5. antenna feed element as claimed in claim 4, electronic equipment of the tuned cell in conjunction with display screen component, feature
It is: between the antenna radiator (221) and antenna feed element (2181), is directly led by metal clips or metal screws
Logical feed, or pass through metal routing capacitive coupling indirect feed, the beta radiation body (221) and antenna aperature tuned cell I
(2182) feed is directly connected by metal clips or metal screws respectively between antenna aperature tuned cell II (2183).
6. antenna feed element as claimed in claim 1 to 5, electronics of the tuned cell in conjunction with display screen component are set
It is standby, it is characterised in that: flexible circuit board (210) material is that modified polyimide MPI, liquid crystal polymer LCP or low temperature are total
Burn ceramics Low Temperature Co-fired Ceramic LTCC.
7. antenna feed element as described in claim 1, electronic equipment of the tuned cell in conjunction with display screen component, feature
Be: the protection board covered on the display screen component (21) is transparent glass protection board or sapphire protection board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910384918.3A CN110336112B (en) | 2019-05-09 | 2019-05-09 | Electronic equipment with antenna feed unit, tuning unit and display screen assembly combined |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910384918.3A CN110336112B (en) | 2019-05-09 | 2019-05-09 | Electronic equipment with antenna feed unit, tuning unit and display screen assembly combined |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110336112A true CN110336112A (en) | 2019-10-15 |
| CN110336112B CN110336112B (en) | 2021-06-22 |
Family
ID=68139988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910384918.3A Active CN110336112B (en) | 2019-05-09 | 2019-05-09 | Electronic equipment with antenna feed unit, tuning unit and display screen assembly combined |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110336112B (en) |
Cited By (3)
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| CN111029730A (en) * | 2019-12-26 | 2020-04-17 | 惠州Tcl移动通信有限公司 | Antenna structure and mobile terminal |
| CN111276063A (en) * | 2020-02-26 | 2020-06-12 | 维沃移动通信有限公司 | Display module and electronic equipment |
| CN114696029A (en) * | 2020-12-28 | 2022-07-01 | 北京小米移动软件有限公司 | Electronic device |
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| CN114696029A (en) * | 2020-12-28 | 2022-07-01 | 北京小米移动软件有限公司 | Electronic device |
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| Publication number | Publication date |
|---|---|
| CN110336112B (en) | 2021-06-22 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20211013 Address after: 314400 Building 1 (East), No.306 Gushui Road, Haichang street, Haining City, Jiaxing City, Zhejiang Province Patentee after: TIANTONG RUIHONG TECHNOLOGY Co.,Ltd. Address before: 314400 no.23-1, Shuangxue Road, Haining Economic Development Zone, Haining City, Jiaxing City, Zhejiang Province Patentee before: Tiantong Kaimei Microelectronics Co.,Ltd. |