CN105828588B - A kind of mobile terminal and the device for improving its display screen EMC performances - Google Patents
A kind of mobile terminal and the device for improving its display screen EMC performances Download PDFInfo
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- CN105828588B CN105828588B CN201510222425.1A CN201510222425A CN105828588B CN 105828588 B CN105828588 B CN 105828588B CN 201510222425 A CN201510222425 A CN 201510222425A CN 105828588 B CN105828588 B CN 105828588B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
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Abstract
A kind of device an embodiment of the present invention provides mobile terminal and for improving its display screen EMC performances, including：First display screen FPC, is connected with mainboard and display driver chip respectively；Second display screen FPC, is arranged on the left side of the first display screen FPC；3rd display screen FPC, is arranged on the right side of the first display screen FPC；First conductive film, is arranged on the upper surface of the first to the 3rd display screen FPC, is connected respectively with the second to the 3rd display screen FPC and complete machine EMC shielding earth signals end；Second conductive film, is arranged on the lower surface of the first to the 3rd display screen FPC, is connected respectively with the second to the 3rd display screen FPC and complete machine EMC shielding earth signals end；EMC shield members, are arranged on below view field's vertical direction of display driver chip, are connected respectively with complete machine EMC shielding earth signals end, the first to the second conductive film.The embodiment of the present invention can greatly improve the EMC performances of display screen module and complete machine.
Description
Technical field
The present invention relates to technical field of mobile terminals, is used to improve mobile terminal display screen EMC more particularly to one kind
The device and a kind of mobile terminal of energy.
Background technology
The intelligent development of mobile terminal is getting faster, and touch screen type common at present and button intelligent mobile terminal integrate
Function is more and more, and performance is stronger and stronger, and various intelligent mobile terminals are changed into a comprehensive letter from simple call instrument
Processing platform and communication data center are ceased, becomes highly important mobile office amusement equipment in people's daily life.With electricity
The continuous development of sub- technology, the circuit design and systemic-function of mobile terminal become to become increasingly complex, and thickness becomes more and more lighter
Thin, screen size is increasing, thus brings more and more EMC (Electro Magnetic Compatibility, electromagnetism
Compatibility) problem.
In order to enable mobile terminal product can be by industry EMC relevant authentications, and realize user's routine use environment
Electro Magnetic Compatibility is, it is necessary to carry out circuit board and mobile terminal in the circuit and structure design of EMC.
In view of the display screen EMC problems of mobile terminal mainly have following two aspect at present.On the one hand it is that display screen module exists
The electromagnetic interference more than a threshold value, the electricity are produced to place environment inside or outside mobile terminal device in course of normal operation
The performance indicators such as working signal sensitivity of the magnetic disturbance to circuit modules such as radio frequency transceiver, touch-screen, antennas produce serious dry
Disturb.On the other hand it is that display screen module is poor to the immunity to interference of electromagnetic interference present in the environment of place, such as in routine use
Electrostatic environment in easily probability of occurrence flower screen, the operation irregularity phenomenon such as blank screen.
The designing scheme of following two display screen EMC is provided in correlation technique.Wherein, scheme 1 passes through in display screen mould
Increase electrostatic protection device on group or motherboard circuit module by signal circuit.Scheme 2 is to display screen module and display screen FPC
System signal and complete machine EMC the shielding earth signal of (Flexible Printed Circuit, flexible PCB) use holding altogether
Design ground connection, is aided with the scheme of software display screen electrostatic reset.
The designing scheme of display screen EMC in correlation technique has the following disadvantages：Display screen EMC consistency of performance difference and length
Phase decays, and display screen monomer hardware damage, disturb to eliminate altogether, and can not comprehensive shielding display screen interface high speed letter
Number other circuit module working performance indexs are produced with the risk of severe jamming, while adds mobile terminal system software not
Stability, influences to have moved dynamic end product quality and user experience.
Therefore, the technical problem that those skilled in the art urgently solve is needed to be exactly at present：To in correlation technique
The designing scheme of display screen EMC is improved, to eliminate disadvantages mentioned above to a certain extent.
The content of the invention
The embodiment of the present invention is a kind of for improving mobile terminal display screen EMC performances the technical problem to be solved is that providing
Device, this is used for the device for improving mobile terminal display screen EMC performances, not only can effectively shielding protection external factor to aobvious
The EMC interference of display screen module, acceptable effectively shielding protection display screen module high speed signal is to other circuit module working performances
EMC interference, the EMC performances of display screen module and complete machine greatly improved, efficiently solve present in correlation technique lack
Fall into.
Correspondingly, the embodiment of the present invention additionally provides a kind of mobile terminal.
To solve the above-mentioned problems, it is used to improve the devices of mobile terminal display screen EMC performances the invention discloses a kind of,
Including：Displays of first the display screen FPC, the first display screen FPC respectively with the mainboard and display screen of mobile terminal drives core
Piece is connected；Second display screen FPC, the second display screen FPC are arranged on the left side of the first display screen FPC, and described second
Display screen FPC is connected with the complete machine EMC shielding earth signals end of mobile terminal；3rd display screen FPC, the 3rd display screen FPC
The right side of the first display screen FPC is arranged on, the 3rd display screen FPC is connected with complete machine EMC shielding earth signals end；
First conductive film, first conductive film are arranged on the first display screen FPC, the second display screen FPC and described
The upper surface of 3rd display screen FPC, first conductive film respectively with the second display screen FPC, the 3rd display screen
FPC is connected with the complete machine EMC shielding earth signals end of mobile terminal；Second conductive film, second conductive film are arranged on institute
State the lower surface of the first display screen FPC, the second display screen FPC and the 3rd display screen FPC, second conductive film
It is connected respectively with the second display screen FPC, the 3rd display screen FPC and the complete machine EMC shielding earth signal end；And
EMC shield members, the EMC shield members are arranged on below view field's vertical direction of the display driver chip, described
EMC shield members shield earth signal end, first conductive film and the second conductive film phase with the complete machine EMC respectively
Even.
Specifically, in one embodiment of the invention, the EMC shield members cover the throwing of the display driver chip
Shadow zone domain.
Further, in one embodiment of the invention, the epitaxial part of the EMC shield members curves around described
First display screen FPC, the second display screen FPC and the 3rd display screen FPC.
Specifically, in one embodiment of the invention, the EMC shield members for patch conductor or latticed conductor or
Pectination conductor.
Specifically, in one embodiment of the invention, the EMC shield members are metal film or copper foil or conductive fabric.
Further, in one embodiment of the invention, the complete machine EMC shielding earth signals end, second display
Shield FPC, the 3rd display screen FPC, first conductive film, second conductive film and the EMC shield members point
It is not connected with the housings conductive component of mobile terminal.
Further, in one embodiment of the invention, the complete machine EMC shielding earth signals end, second display
Shield FPC, the 3rd display screen FPC, first conductive film, second conductive film and the EMC shield members point
It is not connected with the center conductive component of mobile terminal.
Further, in one embodiment of the invention, the first display screen FPC passes through connecting component and the master
Plate is connected.
Further, in one embodiment of the invention, it is aobvious to be welded on described first for the circuit devcie of the display screen
On display screen FPC.
Compared with correlation technique, the device for being used to improve mobile terminal display screen EMC performances of the embodiment of the present invention includes
Advantages below：Pass through the first display screen FPC, second display screen FPC, the first conductive film, the second conductive thin, the 3rd display screen
FPC realizes system signal and complete machine EMC shielded signal phase electrical isolations, and by second display screen FPC, the 3rd display screen FPC,
First conductive film, the second conductive film, EMC shield members, are realized to factors such as external environment condition electrostatic to display screen module
EMC is disturbed and EMC interference of the display screen module high speed signal to other circuit module working performances carries out effective shielding protection, greatly
Width improves the EMC performances of display screen module and complete machine, efficiently solves defect present in correlation technique.
To solve the above-mentioned problems, the invention also discloses a kind of mobile terminal, including：Display screen and with the display screen
Connected display driver chip；Mainboard and complete machine EMC shielding earth signals end；And described it is used to improve mobile terminal display screen
The device of EMC performances, it is described be used to improving the devices of mobile terminal display screen EMC performances respectively with the mainboard, the display
Driving chip is connected with complete machine EMC shielding earth signals end.
Compared with correlation technique, the mobile terminal of the embodiment of the present invention includes advantages below：By mobile whole for improving
Hold the devices of display screen EMC performances not only can effectively shielding protection external factor to the EMC of display screen module interference, can be with
Effective shielding protection display screen module high speed signal disturbs the EMC of other circuit module working performances, and display greatly improved
Shield the EMC performances of module and complete machine, efficiently solve defect present in correlation technique.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of device embodiment for being used to improve mobile terminal display screen EMC performances of the present invention；
Fig. 2 is a kind of display screen mould of device embodiment for being used to improve mobile terminal display screen EMC performances of the present invention
The structure diagram of group；
Fig. 3 is a kind of display screen mould of device embodiment for being used to improve mobile terminal display screen EMC performances of the present invention
The planar structure schematic diagram of group；
A kind of device embodiment for being used to improve mobile terminal display screen EMC performances that Fig. 4 is the present invention does not include EMC screens
When covering component, the cross-section structure block diagram of display screen module；
A kind of device embodiment for being used to improve mobile terminal display screen EMC performances that Fig. 5 is the present invention is shielded including EMC
Component and when EMC shield members are patch conductor, the cross-section structure block diagram of display screen module；And
Fig. 6 is a kind of structure diagram of mobile terminal embodiment of the present invention.
Embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
One of the core concepts of the embodiments of the present invention is, the designing scheme of the display screen EMC in correlation technique is carried out
Improve, electrical isolation is carried out to system signal and complete machine EMC shielded signals, realizes the duct type stereoscopic and omnibearing of display screen module
EMC shielding designs.
With reference to Fig. 1, a kind of 1 embodiment of device for being used to improve mobile terminal display screen EMC performances of the invention is shown
Structure diagram, can specifically include：First display screen FPC 11, second display screen FPC 12, the 3rd display screen FPC 13,
One conductive film 14, the second conductive film 15 and EMC shield members 16.
Wherein, the first display screen FPC 11 respectively with mobile terminal (such as mobile phone, laptop, tablet computer and the palm
Upper equipment for surfing the net etc.) mainboard 17 and display screen 2 (such as CRT (Cathode Ray Tube, cathode-ray tube) display screen, LCD
(Liquid Crystal Display, liquid crystal display) display screen, (Plasma Display Panel, plasma are shown PDP
Device) display screen, OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode) display screen etc.) display drive
Dynamic chip 18 is connected, and the first display screen FPC 11 obtains system signal from mainboard 17, and system signal is transmitted to display driving
Chip 18.Second display screen FPC 12 is arranged on the left side of the first display screen FPC 11.3rd display screen FPC 13 is arranged on
The right side of one display screen FPC 11.First conductive film 14 is arranged on the first display screen FPC 11,12 and of second display screen FPC
The upper surface of 3rd display screen FPC 13, the first conductive film 14 respectively with second display screen FPC 12, the 3rd display screen FPC
13 are connected with the complete machine EMC shielding earth signals end 19 of mobile terminal, and complete machine EMC shielding earth signals end 19 provides complete machine EMC shieldings
Earth signal.Second conductive film 15 is arranged on the first display screen FPC 11,12 and the 3rd display screen FPC of second display screen FPC
13 lower surface, the second conductive film 15 are shielded with second display screen FPC 12, the 3rd display screen FPC 13 and complete machine EMC respectively
Earth signal end 19 is connected.EMC shield members 16 are arranged on below view field's vertical direction of display driver chip 18, EMC screens
Component 16 is covered respectively with complete machine EMC shielding earth signals end 19, the first conductive film 14 and the second conductive film 15 to be connected.
The device 1 for being used to improve mobile terminal display screen EMC performances of the embodiment of the present invention, is designed in display screen module
On, using the design concept for isolating the system signal of mainboard 17 and complete machine EMC shielding earth signals, pass through the first display screen
FPC 11 is connected with mainboard 17 to transmit the system signal of mainboard 17, and the second display for passing through the left sides of the first display screen FPC 11
Screen FPC 12 and the 3rd display screen FPC 13 on right side are connected with the first conductive film 14 and the second conductive film 15 respectively, and first
14 and second conductive film 15 of conductive film is connected with complete machine EMC shielding earth signals respectively, realizes the system letter of display screen module
Number separate with complete machine EMC shielding earth signals on electric logic so that the system signal of mainboard 17 and complete machine EMC shielding earth signals
Between no signal reflux level-crossing effect or parallel effect, so as to avoid system signal in correlation technique and complete machine EMC
Shielding earth signal disturbs altogether using caused by holding altogether design ground connection.
In one embodiment of the invention, 12 and the 3rd display screen FPC 13 of second display screen FPC can respectively with shifting
The complete machine EMC shielding earth signals end 19 of dynamic terminal is connected directly.Further, in one embodiment of the invention, complete machine EMC
Shield earth signal end 19, second display screen FPC 12, the 3rd display screen FPC 13, the first conductive film 14, the second conductive film
15 and EMC shield members 16 can carry out reliable circuit with the housings conductive component 110 of mobile terminal respectively and be connected.Wherein,
Two display screen FPC 12, the 3rd display screen FPC 13, the first conductive film 14, the second conductive film 15, EMC shield members 16 with
And housings conductive component 110 constitutes the complete machine EMC shield assemblies of a duct type stereoscopic and omnibearing, complete machine EMC shielding groups
Part forms EMC and disturbs the reliable of electromagnetic signal to shield section for external environment condition and internal circuit blocks.
Further, in another embodiment of the present invention, with reference to Fig. 2, complete machine EMC shielding earth signals end 19, second
Display screen FPC 12, the 3rd display screen FPC 13, the first conductive film 14, the second conductive film 15 and EMC shield members 16 can
It is connected with carrying out reliable circuit with the center conductive component 111 of mobile terminal respectively to realize the complete machine of duct type stereoscopic and omnibearing
EMC function of shielding.Wherein, EMC shield members 16 and complete machine EMC shielding earth signals end 19 are not shown in Fig. 2, if as shown in Fig. 2,
Setting display panel 21 is set to bottom in figure middle position, and center conductive component 111 is set to topmost in figure middle position, then first is conductive
Film 14 is arranged on above display panel 21.Second display screen FPC 12, the 3rd display screen FPC 13 are respectively with the first conductive thin
Film 14, the second conductive film 15 carry out circuit connection, and carry out circuit with complete machine EMC shielding earth signals end 19 and connect.Need
It is bright, second display screen FPC 12, the 3rd display screen FPC 13, the first conductive film 14, the second conductive film 15, EMC screens
Cover component 16 and center conductive component 111 constitutes the complete machine EMC shield assemblies of a duct type stereoscopic and omnibearing, the complete machine
EMC shield assemblies form EMC and disturb the reliable of electromagnetic signal to shield section for external environment condition and internal circuit blocks.
In one embodiment of the invention, with reference to Fig. 3, the first display screen FPC 11 can by connecting component 112 with
Mainboard 17 is connected, and connecting component 112 is used for transmission the system signal of mainboard 17.Specifically, in one embodiment of the invention,
Connecting component 112 can be FPC connector.Further, in one embodiment of the invention, with reference to Fig. 3,2 (example of display screen
Such as LCD display) or the circuit devcie 113 of display screen module can be welded on the first display screen FPC 11, display screen 2 with it is aobvious
Show that driving chip 18 carries out circuit connection.
It should be noted that EMC shield members 16 are arranged under view field's vertical direction of display driver chip 18
Side, EMC shield members 16 shield earth signal end 19,15 phase of the first conductive film 14 and the second conductive film with complete machine EMC respectively
Even, it can solve the problems, such as that the more and more thinner caused electrostatic coupling electric field strength of current mobile Terminals thickness is increasing.
In one embodiment of the invention, EMC shield members 16 can cover the view field of display driver chip 18.
Further, in one embodiment of the invention, according to the conventional structure design feature of current display screen module, EMC shieldings
The epitaxial part of component 16 can curve around the first display screen FPC 11,12 and the 3rd display screen FPC of second display screen FPC
13.Specifically, in one embodiment of the invention, EMC shield members 16 can be patch conductor or latticed conductor or comb
Shape conductor etc..Specifically, in one embodiment of the invention, EMC shield members 16 can be metal film or copper foil or conduction
The high electric conductor such as cloth.
As shown in figure 4, in one embodiment of the invention, when the dress for improving mobile terminal display screen EMC performances
When putting 1 does not include EMC shield members 16, the cross-section structure of display screen module can include display panel 21, form cover board 22, glue
Close component 23, polaroid 24, upper glass 25, display driver chip 18, the first buffer unit 26, the second buffer unit 27, display
Shield FPC 28 and touch key-press FPC 29, wherein, display screen FPC 28 is by the first display screen FPC 11, second display screen FPC
12nd, the 3rd display screen FPC 13 is formed.Fig. 5 is when the display screen mould for the device for being used to improve mobile terminal display screen EMC performances
Group is when to include EMC shield members 16 and EMC shield members 16 be patch conductor, the cross-section structure block diagram of display screen module, wherein,
One end of EMC shield members 16 below view field's vertical direction of display driver chip 18,16 one end of EMC shield members
Epitaxial part curves around display screen FPC 28.Wherein, in Fig. 4 and Fig. 5 arrow show display screen module coupled interference electricity
.
In one particular embodiment of the present invention, when display screen module and mobile terminal are subject to EMC to disturb, such as scheme
The interference of coupled interference electric field signal in 4 and Fig. 5, since EMC shield assembly overall potentials are consistent, it may therefore be assured that
The quick bleed off of transfer charge caused by EMC interference, and then realize and system signal on the first display screen FPC 11 and display are driven
Chip 18 and the comprehensive electric field shielding and EMC interference preventions of 113 upper and lower surface of the circuit devcie of display screen module, avoid aobvious
The EMC consistency of performance difference of display screen 2 and long-term decay, display screen 2 monomer hardware damage, disturb can not eliminate and can not altogether
Stereoscopic and omnibearing shields the problem of display screen module high speed signal produces severe jamming to other circuit module working performance indexs,
And participated in without software, mobile terminal system stability is good.
It should be noted that answering for above-mentioned first conductive film 14, the second conductive film 15 and EMC shield members 16
With scene and structure type, touch-screen module, NFC (the Near Field for including but not limited to mobile terminal can also be applied to
Communication, near field communication (NFC)) in the circuit module such as module, fingerprint recognition module, camera module.
Compared with correlation technique, the device for being used to improve mobile terminal display screen EMC performances of the embodiment of the present invention includes
Advantages below：System signal and complete machine EMC screens are realized by the first display screen FPC, second display screen FPC, the 3rd display screen FPC
Cover signal phase electrical isolation, and by second display screen FPC, the 3rd display screen FPC, the first conductive film, the second conductive film,
EMC shield members and housings conductive component or center conductive component form the complete machine EMC shielding groups of duct type stereoscopic and omnibearing
Part, effective shielding protection is carried out so as to realize to EMC interference of the factors such as external environment condition electrostatic to display screen module, and right
EMC interference of the display screen module high speed signal to other circuit module working performances carries out effective shielding protection, greatly improved
The EMC performances of display screen module and complete machine, efficiently solve defect present in correlation technique.
With reference to Fig. 6, show a kind of structure diagram of mobile terminal embodiment of the present invention, can specifically include：Display screen
2nd, display driver chip 18, mainboard 17, complete machine EMC shieldings earth signal end 19 and above-mentioned it is used to improve mobile terminal display screen
The device 1 of EMC performances.Wherein, display driver chip 18 is connected with display screen 2.For improving mobile terminal display screen EMC performances
Device 1 be connected respectively with mainboard 17, display driver chip 18 and complete machine EMC shielding earth signal end 19.
Compared with correlation technique, the mobile terminal of the embodiment of the present invention includes advantages below：By mobile whole for improving
Mobile terminal display screen can be carried out duct type stereoscopic and omnibearing EMC shielding by holding the device of display screen EMC performances, not only can be with
Effective shielding protection external factor disturbs the EMC of display screen module, can also effectively shielding protection display screen module believe at a high speed
Number the EMC of other circuit module working performances is disturbed, the EMC performances of display screen module and complete machine greatly improved, effectively
Solves defect present in correlation technique.
Each embodiment in this specification is described by the way of progressive, what each embodiment stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art once know base
This creative concept, then can make these embodiments other change and modification.So appended claims are intended to be construed to
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or order.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements are not only wrapped
Those key elements are included, but also including other elements that are not explicitly listed, or further include as this process, method, article
Or the key element that terminal device is intrinsic.In the absence of more restrictions, wanted by what sentence "including a ..." limited
Element, it is not excluded that also there are other identical element in the process including the key element, method, article or terminal device.
A kind of device for being used to improve mobile terminal display screen EMC performances provided by the present invention and one kind are moved above
Terminal, is described in detail, and specific case used herein is set forth the principle of the present invention and embodiment, with
The explanation of upper embodiment is only intended to help the method and its core concept for understanding the present invention；Meanwhile for the general of this area
Technical staff, according to the thought of the present invention, there will be changes in specific embodiments and applications, in conclusion
This specification content should not be construed as limiting the invention.
Claims (10)
- Be used to improving the devices of mobile terminal display screen EMC performances 1. a kind of, including display driver chip, the first display screen FPC, With EMC shield members, the first display screen FPC respectively with the mainboard of mobile terminal and the display driver chip phase of display screen Even, the EMC shield members are arranged on below view field's vertical direction of the display driver chip, the EMC shielding parts Part is connected with complete machine EMC shielding earth signals end, it is characterised in that described device further includes：Second display screen FPC, the second display screen FPC are arranged on the left side of the first display screen FPC；3rd display screen FPC, the 3rd display screen FPC are arranged on the right side of the first display screen FPC；First conductive film, first conductive film be arranged on the first display screen FPC, the second display screen FPC and The upper surface of the 3rd display screen FPC, first conductive film are shown with the second display screen FPC, the described 3rd respectively Display screen FPC is connected with the complete machine EMC shielding earth signals end of mobile terminal；Second conductive film, second conductive film be arranged on the first display screen FPC, the second display screen FPC and The lower surface of the 3rd display screen FPC, second conductive film are shown with the second display screen FPC, the described 3rd respectively Display screen FPC is connected with complete machine EMC shielding earth signals end；The EMC shield members are connected with first conductive film and second conductive film respectively.
- 2. device according to claim 1, it is characterised in that the EMC shield members cover the display driver chip View field.
- 3. device according to claim 1, it is characterised in that the epitaxial part of the EMC shield members curves around institute State the first display screen FPC, the second display screen FPC and the 3rd display screen FPC.
- 4. device according to any one of claim 1-3, it is characterised in that the EMC shield members are patch conductor Or latticed conductor or pectination conductor.
- 5. device according to claim 4, it is characterised in that the EMC shield members are metal film or copper foil or conduction Cloth.
- 6. device according to claim 1, it is characterised in that the complete machine EMC shielding earth signals end, second display Shield FPC, the 3rd display screen FPC, first conductive film, second conductive film and the EMC shield members point It is not connected with the housings conductive component of mobile terminal.
- 7. device according to claim 1, it is characterised in that the complete machine EMC shielding earth signals end, second display Shield FPC, the 3rd display screen FPC, first conductive film, second conductive film and the EMC shield members point It is not connected with the center conductive component of mobile terminal.
- 8. device according to claim 1, it is characterised in that the first display screen FPC by connecting component with it is described Mainboard is connected.
- 9. device according to claim 1, it is characterised in that it is aobvious that the circuit devcie of the display screen is welded on described first On display screen FPC.
- A kind of 10. mobile terminal, it is characterised in that including：Display screen and the display driver chip being connected with the display screen；Mainboard and complete machine EMC shielding earth signals end；AndIt is used for the device for improving mobile terminal display screen EMC performances as claimed in any one of claims 1-9 wherein, it is described to be used to change The device of kind mobile terminal display screen EMC performances is shielded with the mainboard, the display driver chip and the complete machine EMC respectively Earth signal end is connected.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510222425.1A CN105828588B (en) | 2015-04-30 | 2015-04-30 | A kind of mobile terminal and the device for improving its display screen EMC performances |
| PCT/CN2016/080437 WO2016173500A1 (en) | 2015-04-30 | 2016-04-28 | Mobile terminal and device for improving emc of a display screen thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510222425.1A CN105828588B (en) | 2015-04-30 | 2015-04-30 | A kind of mobile terminal and the device for improving its display screen EMC performances |
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| Publication Number | Publication Date |
|---|---|
| CN105828588A CN105828588A (en) | 2016-08-03 |
| CN105828588B true CN105828588B (en) | 2018-04-20 |
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| CN201510222425.1A Active CN105828588B (en) | 2015-04-30 | 2015-04-30 | A kind of mobile terminal and the device for improving its display screen EMC performances |
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| CN (1) | CN105828588B (en) |
| WO (1) | WO2016173500A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106899719B (en) * | 2017-03-21 | 2023-11-03 | 华勤技术股份有限公司 | Terminal |
| CN107454215B (en) * | 2017-07-28 | 2020-12-04 | 捷开通讯(深圳)有限公司 | Mobile terminal for preventing deterioration of coupling sensitivity |
| CN108965514B (en) * | 2018-06-29 | 2021-05-21 | 努比亚技术有限公司 | Display screen FPC structure of double screen terminal and mobile terminal thereof |
| CN108988453B (en) * | 2018-07-24 | 2020-11-03 | 维沃移动通信有限公司 | Mobile terminal |
| CN109890129B (en) * | 2019-03-26 | 2020-05-12 | 厦门天马微电子有限公司 | Display device |
| CN112817471A (en) * | 2019-11-18 | 2021-05-18 | 北京小米移动软件有限公司 | Flexible screen, terminal equipment and manufacturing method of flexible screen |
| CN110955627B (en) * | 2019-12-25 | 2024-04-26 | 顾荣华 | Double-screen display |
| CN111585072B (en) * | 2020-05-29 | 2022-06-17 | 维沃移动通信有限公司 | Electronic device |
| CN112233566B (en) * | 2020-11-23 | 2022-12-27 | 维沃移动通信有限公司 | Display screen and electronic equipment |
| CN114222215B (en) * | 2021-12-01 | 2023-03-10 | 北京百度网讯科技有限公司 | Anti-static microphone |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1901793A (en) * | 2006-07-25 | 2007-01-24 | 北京维信诺科技有限公司 | Electromagnetic compatible protector for display device and display device |
| CN102254929A (en) * | 2010-05-03 | 2011-11-23 | 三星移动显示器株式会社 | Display apparatus |
| CN102984317A (en) * | 2012-12-10 | 2013-03-20 | 华为终端有限公司 | Mobile terminal |
| CN103873616A (en) * | 2014-03-06 | 2014-06-18 | 京东方科技集团股份有限公司 | Display module and mobile communication device |
| CN203691738U (en) * | 2013-12-13 | 2014-07-02 | Tcl显示科技（惠州）有限公司 | Flexible circuit board and mobile communication terminal |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2814917Y (en) * | 2005-08-05 | 2006-09-06 | 洋华光电股份有限公司 | Electrostatic eliminating structure for contact controlling face-plate |
| KR101340296B1 (en) * | 2007-02-02 | 2013-12-11 | 삼성디스플레이 주식회사 | Flexible printed circuit and display device having the same |
| CN103094256B (en) * | 2011-11-08 | 2015-12-02 | 华进半导体封装先导技术研发中心有限公司 | A kind of package system |
| CN202444056U (en) * | 2012-02-27 | 2012-09-19 | 华为终端有限公司 | Wireless communication equipment |
| US8890003B2 (en) * | 2013-01-03 | 2014-11-18 | International Business Machines Corporation | Multiple-layered electromagnetic shielding |
| CN104345926B (en) * | 2013-07-24 | 2018-08-07 | 宸鸿科技(厦门)有限公司 | Touch panel and its test method |
-
2015
- 2015-04-30 CN CN201510222425.1A patent/CN105828588B/en active Active
-
2016
- 2016-04-28 WO PCT/CN2016/080437 patent/WO2016173500A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1901793A (en) * | 2006-07-25 | 2007-01-24 | 北京维信诺科技有限公司 | Electromagnetic compatible protector for display device and display device |
| CN102254929A (en) * | 2010-05-03 | 2011-11-23 | 三星移动显示器株式会社 | Display apparatus |
| CN102984317A (en) * | 2012-12-10 | 2013-03-20 | 华为终端有限公司 | Mobile terminal |
| CN203691738U (en) * | 2013-12-13 | 2014-07-02 | Tcl显示科技（惠州）有限公司 | Flexible circuit board and mobile communication terminal |
| CN103873616A (en) * | 2014-03-06 | 2014-06-18 | 京东方科技集团股份有限公司 | Display module and mobile communication device |
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| Publication number | Publication date |
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| WO2016173500A1 (en) | 2016-11-03 |
| CN105828588A (en) | 2016-08-03 |
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