CN109407369A - A kind of liquid crystal display die set and intelligent terminal - Google Patents
A kind of liquid crystal display die set and intelligent terminal Download PDFInfo
- Publication number
- CN109407369A CN109407369A CN201811375143.5A CN201811375143A CN109407369A CN 109407369 A CN109407369 A CN 109407369A CN 201811375143 A CN201811375143 A CN 201811375143A CN 109407369 A CN109407369 A CN 109407369A
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- liquid crystal
- crystal display
- die set
- field communication
- spiral winding
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
Abstract
This application provides a kind of liquid crystal display die set and intelligent terminals, the liquid crystal display die set includes the liquid crystal display coupled by flexible circuit board and control mainboard, near-field communication aerial is additionally provided on flexible circuit board, near-field communication aerial and the control mainboard couple.Near-field communication aerial is integrated in the mode in liquid crystal display die set by such, it is possible, firstly, to be multiplexed the flexible circuit board of liquid crystal display die set, does not need to increase additional near-field communication aerial cost.Secondly, near-field communication aerial is integrated in liquid crystal display die set, and it is coplanar with original flexible circuit board, do not need the integral thickness for increasing liquid crystal display die set.Again, the attachment process of near-field communication aerial is decreased, manufacturing cost is reduced.
Description
Technical field
This application involves technical field of near field communication, in particular to a kind of liquid crystal display die set and intelligent terminal.
Background technique
Near-field communication technology is a kind of indispensable technology of electronic product from now on, and market is huge.Existing near-field communication product
Antenna is mainly certain one side for being made in battery, or is attached to the inside of shell.Its disadvantage mainly has: battery and shell are often repeatedly
Dismounting, the connecting part for allowing for near-field communication aerial in this way are prone to wear or occur the inaccurate problem of contraposition, ultimately cause day
Line signal is deteriorated, and influences the use of near-field communication product function.
In the design of normal procedure intelligent terminal entries, near field communication (NFC) function brings always following problems: first, because of near-field communication
Antenna has certain thickness, and about 0.25mm or so will cause the mobile phone stack thickness near field communication (NFC) function and increase.Second,
Near-field communication aerial is individually designed, and high cost causes intelligent terminal cost high, lacks competitiveness.
Summary of the invention
To solve the above problems, near field can be reduced this application provides a kind of liquid crystal display die set and intelligent terminal
The attachment process of communication antenna, saves manufacturing cost.
To solve the above problems, first technical solution that the application uses are as follows: provide a kind of liquid crystal display die set, the liquid
Brilliant display module includes the liquid crystal display coupled by flexible circuit board and control mainboard, is additionally provided on flexible circuit board
Near-field communication aerial, near-field communication aerial and control mainboard couple.
Wherein, flexible circuit board includes the first circuit layer and the second circuit layer being stacked, first circuit layer and liquid crystal
Display screen is oppositely arranged；
Near-field communication aerial is spiral winding and is located in first circuit layer that one end of spiral winding is from first circuit layer
Extraction is connected in control mainboard, and the other end of spiral winding wears second layer circuit layer, and draws from second layer circuit layer
It is connected in control mainboard out.
Wherein, the both ends of spiral winding are coupled in control mainboard by the connector of liquid crystal display die set.
Wherein, spiral winding is coupled by the near-field communication feedline circuit of connector and control mainboard；Spiral winding and company
The impedance for connecing the connection pin of device is consistent with the impedance of near-field communication feedline circuit.
Wherein, between the coil of spiral winding between be divided into 0.4-0.8mm.
Wherein, the cross section of spiral winding is any one of rectangular, round or oval.
Wherein, the cross-sectional area of spiral winding is 800-1000 square millimeters.
Wherein, the side of liquid crystal display is provided with Ferrite Material in spiral winding.
Wherein, flexible circuit board is adhered to the back side of liquid crystal display.
To solve the above problems, second technical solution that the application uses are as follows: provide a kind of intelligent terminal, the intelligence is eventually
End includes the liquid crystal display die set of any of the above-described embodiment.
The utility model has the advantages that being different from the prior art, it is logical that the application integrates near field on the flexible circuit board of liquid crystal display die set
Believe antenna, then near-field communication aerial and control mainboard are coupled.In this manner, it is possible, firstly, to be multiplexed liquid crystal display die set
Flexible circuit board, do not need to increase additional near-field communication aerial cost.Secondly, near-field communication aerial is integrated in liquid crystal
It is coplanar with original flexible circuit board in display module, do not need the integral thickness for increasing liquid crystal display die set.Again, also subtract
The attachment process for having lacked near-field communication aerial, saves manufacturing cost.
Detailed description of the invention
Fig. 1 is intelligent terminal structural schematic diagram in the prior art；
Fig. 2 is one example structure schematic diagram of the application liquid crystal display die set；
Fig. 3 is one example structure schematic diagram of the application intelligent terminal.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment belongs to the scope of protection of the invention.
Near-field communication technology, i.e. near field communication (NFC) are a kind of non contact angle measurement and interconnection technique.It can be with
Wireless near field communication is carried out between mobile device, consumer electronics product, PC and smart control tool.Near-field communication
A kind of simple, touch solution is provided, information, access content and clothes are exchanged while consumer's simple, intuitive can be allowed
Business.
In the prior art, when intelligent terminal needs to increase near field communication (NFC) function, often near-field communication aerial is carried out single
Solely attachment.On the one hand such mode will increase the manufacturing cost of intelligent terminal, on the other hand, also will increase of intelligent terminal itself
Thickness.The intelligent terminal structural schematic diagram of the prior art is as shown in Figure 1.The intelligent terminal includes liquid crystal display 11, flexibility
Circuit board 12 and control mainboard (not shown).
Wherein, the chip and circuit inside liquid crystal display 11 can be connected to control master by a flexible circuit board 12
Plate.Flexible circuit board 12 extends out from one end of liquid crystal display 11, by certain cabling, extends to control mainboard area
Domain, through a connector 13 in control mainboard in conjunction with the circuit in control mainboard.
In order to save cost, and the integral thickness of intelligent terminal is not increased, the application provides one kind, and to be integrated near field logical
Believe the liquid crystal display die set of antenna function.Referring to Fig. 2, Fig. 2 is one example structure schematic diagram of the application liquid crystal display die set.
Liquid crystal display die set includes liquid crystal display 21, flexible circuit board 22, control mainboard (not shown).Liquid crystal display 21 and control
Mainboard in flexible circuit board 22 by coupling.Near-field communication aerial 24, near-field communication aerial 24 are integrated on flexible circuit board 22
It is coupled with control mainboard.
Specifically, flexible circuit board 22 is adhered to the back side of liquid crystal display 21 by adhesion agent, the wherein adhesion agent packet
Include at least one of acrylic resin, polyimide resin, epoxy resin, the polyester of improvement and butyral phenolic resin.And
There is no the metal materials such as iron frame to be isolated between flexible circuit board 22 and liquid crystal display 21, reduces to being integrated in flexible circuit board
The interference of 24 signal of near-field communication aerial on 22.
In the present embodiment, near-field communication aerial 24 is to be formed in a manner of metal material or other low-resistivity cablings
Spiral winding.Specifically, the material of near-field communication aerial 24 includes at least one of silver, copper, aluminium, carbon.Spiral winding
Number is enclosed, can specifically be determined according to the size and purposes of liquid crystal display die set.The circle number of spiral winding is 3 circles in the present embodiment, this
When, the spatial position of near-field communication aerial 24 is reasonable and overall performance is preferable.
Further, flexible circuit board 22 includes the first circuit layer and the second circuit layer being stacked, first circuit layer
It is oppositely arranged with liquid crystal display 21.In the present embodiment, the spiral winding of the near-field communication aerial 24 is located at first circuit layer
On, line overlap is not walked with other on flexible circuit board 22.
One end 241 of the spiral winding of near-field communication aerial 24 is drawn from first circuit layer and is connected in control mainboard,
In order to avoid coil walks line overlap, the other end 242 of spiral winding is worn into the second circuit layer, and draw from the second circuit layer
It is connected in control mainboard out.
In other alternative embodiments, when having spacer between flexible circuit board 22 and liquid crystal display 21, it is
Influence of the spacer to near-field communication aerial is avoided, the spiral winding of near-field communication aerial 24 can be set to the second circuit layer
On, one end 241 is drawn from the second circuit layer and is connected in control mainboard, in order to avoid coil walks line overlap, by helix
The other end 242 of circle wears first circuit layer, and draws and be connected in control mainboard from first circuit layer.
The both ends of spiral winding are 2 signal lines, this 2 signal line is coupled to by the connector 23 of liquid crystal display die set
In control mainboard.In a specific embodiment, which is board to board connector.
The near-field communication feeder line electricity for passing through connector 23 and the control mainboard due to the spiral winding of near-field communication aerial
Road coupling, so at least provided with the pin of 2 near-field communication routes on the connector 23.To avoid signal reflex, need to do
To the impedance phase one of spiral winding and the near-field communication feedline circuit in the impedance and control mainboard of the connection pin of connector 23
It causes.Preferably, in order to extend the service life of liquid crystal display die set, the impedance of the connection pin of spiral winding and connector 23 with
The impedance of near-field communication feedline circuit in control mainboard is identical.
The shape of spiral winding can be specifically chosen according to the shape of flexible circuit board 22.Optionally, spiral winding cross section
Shape be any one of rectangular, round or oval.In the present embodiment, the shape of spiral winding is rectangular, square spiral
Coil is easier coiling, and the interval between coil is easier to control.
In the present embodiment, in order to rationally utilize flexible circuit board 22 space, by the spiral in near-field communication aerial 24
0.4mm-0.8mm is set between the coil of coil.When the trace width of coil is 0.8mm, between coil between
Every preferred 0.6mm.
Optionally, the cross-sectional area of the spiral winding is 800-1000 square millimeters, in the present embodiment spiral winding
Concrete shape is the rectangular of 30mm*30mm, and the spiral winding of this size makes 24 performance of near-field communication aerial stable and can be rationally
It is distributed on flexible circuit board 22.In other embodiments, spiral winding may be the rectangle of 20mm*40mm, 20mm*
The rectangle etc. of 50mm, as long as the cross-sectional area of spiral winding is made to be 800-1000 square millimeters.
In order to increase the magnetic induction intensity of near-field communication aerial 24, the spiral winding is far from the liquid crystal display 21
Side be provided with Ferrite Material, optionally, which includes at least one in iron oxide, barium carbonate or strontium carbonate
Kind.
It is different from the prior art, liquid crystal display die set provided by the present application integrates near-field communication day on flexible circuit board
Line, then near-field communication aerial and control mainboard are coupled.In this manner, it is possible, firstly, to be multiplexed the soft of liquid crystal display die set
Property circuit board, does not need to increase additional near-field communication aerial cost.Secondly, near-field communication aerial is integrated in liquid crystal display
It is coplanar with original flexible circuit board in mould group, do not need the integral thickness for increasing liquid crystal display die set.Again, it decreases
The attachment process of near-field communication aerial, saves manufacturing cost.
The application also provides a kind of intelligent terminal, which includes the liquid crystal display die set of any of the above-described embodiment.
It is one example structure schematic diagram of intelligent terminal provided by the present application referring specifically to Fig. 3, Fig. 3.
Specifically, the intelligent terminal includes shell 32, battery component (not shown), liquid crystal display die set 31.Shell encloses
Set on battery component, the periphery of liquid crystal display die set, protective action is played to the intelligent terminal.
Battery component is disposed adjacent with shell 32, provides power supply for the intelligent terminal.
The liquid crystal display die set 31 includes that liquid crystal display die set includes flexible circuit board 312, liquid crystal display 311, control
Mainboard (not shown) processed.Liquid crystal display 311 and control mainboard in flexible circuit board 312 by coupling.On flexible circuit board 312
It is integrated with near-field communication aerial 314, near-field communication aerial 314 couples control mainboard.
Specifically, flexible circuit board 312 is adhered to the back side of liquid crystal display 311 by adhesion agent, the wherein adhesion agent
Including at least one of acrylic resin, polyimide resin, epoxy resin, the polyester of improvement and butyral phenolic resin.
And there is no the metal materials such as iron frame to be isolated between flexible circuit board 312 and liquid crystal display 311, it reduces to being integrated in flexible electrical
The interference of 314 signal of near-field communication aerial on road plate 312.
In the present embodiment, near-field communication aerial 314 is the shape in a manner of metal material or other low-resistivity cablings
At spiral winding.Specifically, the material of near-field communication aerial 314 includes at least one of silver, copper, aluminium, carbon.Spiral winding
Circle number, can specifically be determined according to the size and purposes of liquid crystal display die set.The circle number of spiral winding is 3 circles in the present embodiment,
At this point, the spatial position of near-field communication aerial 314 is reasonable and overall performance is preferable.
Further, flexible circuit board 312 includes the first circuit layer and the second circuit layer being stacked, first circuit layer
It is oppositely arranged with liquid crystal display 311.In the present embodiment, the spiral winding of the near-field communication aerial 314 is located at the first circuit
On layer, line overlap is not walked with other on flexible circuit board 312.
One end 341 of the spiral winding of near-field communication aerial 314 is drawn from first circuit layer and is connected in control mainboard,
In order to avoid coil walks line overlap, the other end 342 of spiral winding is worn into the second circuit layer, and draw from the second circuit layer
It is connected in control mainboard out.
In other alternative embodiments, when having spacer between flexible circuit board 312 and liquid crystal display 311,
The spiral winding of near-field communication aerial 314 can be set to second by the influence in order to avoid spacer to near-field communication aerial 314
On circuit layer, one end 341 is drawn from the second circuit layer and is connected in control mainboard, will in order to avoid coil walks line overlap
The other end 342 of spiral winding wears first circuit layer, and draws and be connected in control mainboard from first circuit layer.
The both ends of spiral winding are 2 signal lines, this 2 signal line is coupled by the connector 313 of liquid crystal display die set
To control mainboard.In a specific embodiment, which is board to board connector.
Since the spiral winding of near-field communication aerial 314 is presented by connector 313 and the near-field communication of the control mainboard
Line circuit coupling, so at least provided with the pin of 2 near-field communication routes on the connector 313.To avoid signal reflex, need
Accomplish the impedance of the near-field communication feedline circuit in the impedance and control mainboard of the connection pin of spiral winding and connector 313
It is consistent.Preferably, in order to extend the service life of liquid crystal display die set 31, the connection pin of spiral winding and connector 313
Impedance it is identical as the impedance of near-field communication feedline circuit in control mainboard.
The shape of spiral winding can be specifically chosen according to the shape of flexible circuit board 312.Optionally, spiral winding cross section
Shape be any one of rectangular, round or oval.In the present embodiment, the shape of spiral winding is rectangular, square spiral
Coil is easier coiling, and the interval between coil is easier to control.
In the present embodiment, in order to rationally utilize flexible circuit board 312 space, by the spiral shell in near-field communication aerial 314
0.4mm-0.8mm is set between the coil of spin line circle.When the trace width of coil is 0.8mm, between coil
It is spaced preferred 0.6mm.
Optionally, the cross-sectional area of the spiral winding is 800-1000 square millimeters, in the present embodiment spiral winding
Concrete shape is the rectangular of 30mm*30mm, and the spiral winding of this size makes 314 performance of near-field communication aerial stable and can be rationally
It is distributed on flexible circuit board 312.In other embodiments, spiral winding may be 20mm*40mm rectangle,
The rectangle etc. of 20mm*50mm, as long as the cross-sectional area of spiral winding is made to be 800-1000 square millimeters.
In order to increase the magnetic induction intensity of near-field communication aerial 314, the spiral winding is far from the liquid crystal display
311 side is provided with Ferrite Material, optionally, the Ferrite Material include in iron oxide, barium carbonate or strontium carbonate extremely
Few one kind.
It is different from the prior art, intelligent terminal provided by the present application includes liquid crystal display die set, in the liquid crystal display mode
Near-field communication aerial is integrated on the flexible circuit board of group, then near-field communication aerial and control mainboard are coupled.In this manner,
It is possible, firstly, to be multiplexed the flexible circuit board of liquid crystal display die set, do not need to increase additional near-field communication aerial cost.Its
Secondary, near-field communication aerial is integrated in liquid crystal display die set, coplanar with original flexible circuit board, does not need to increase intelligent terminal
Integral thickness.Again, the attachment process of near-field communication aerial is decreased, manufacturing cost is saved.
The above is only presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize the application
Equivalent structure or equivalent flow shift made by specification and accompanying drawing content is applied directly or indirectly in other relevant technologies
Field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of liquid crystal display die set, which is characterized in that the liquid crystal display die set includes the liquid coupled by flexible circuit board
Crystal display screen and control mainboard, are additionally provided with near-field communication aerial on the flexible circuit board, the near-field communication aerial with
The control mainboard coupling.
2. liquid crystal display die set according to claim 1, which is characterized in that the flexible circuit board includes being stacked
First circuit layer and the second circuit layer, the first circuit layer are oppositely arranged with the liquid crystal display；
The near-field communication aerial is spiral winding and is located in the first circuit layer, and one end of the spiral winding is from described
It draws and is connected in the control mainboard in first circuit layer, the other end of the spiral winding wears the second layer circuit
Layer, and draw and be connected in the control mainboard from the second layer circuit layer.
3. liquid crystal display die set according to claim 2, which is characterized in that the both ends of the spiral winding pass through the liquid
The connector of brilliant display module is coupled in the control mainboard.
4. liquid crystal display die set according to claim 3, which is characterized in that the spiral winding by the connector with
The near-field communication feedline circuit of the control mainboard couples；The impedance of the connection pin of the spiral winding and the connector with
The impedance of the near-field communication feedline circuit is consistent.
5. liquid crystal display die set according to claim 2, which is characterized in that the interval between the coil of the spiral winding
For 0.4-0.8mm.
6. liquid crystal display die set according to claim 5, which is characterized in that the cross section of the spiral winding be it is rectangular,
Any one of round or ellipse.
7. liquid crystal display die set according to claim 6, which is characterized in that the cross-sectional area of the spiral winding is 800-
1000 square millimeters.
8. liquid crystal display die set according to claim 2, which is characterized in that in the spiral winding far from the liquid crystal
The side of display screen is provided with Ferrite Material.
9. liquid crystal display die set according to claim 1, which is characterized in that the flexible circuit board is adhered to the liquid crystal
The back side of display screen.
10. a kind of intelligent terminal, which is characterized in that the intelligent terminal includes the described in any item liquid crystals of claim 1-9
Show mould group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375143.5A CN109407369A (en) | 2018-11-19 | 2018-11-19 | A kind of liquid crystal display die set and intelligent terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375143.5A CN109407369A (en) | 2018-11-19 | 2018-11-19 | A kind of liquid crystal display die set and intelligent terminal |
Publications (1)
| Publication Number | Publication Date |
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| CN109407369A true CN109407369A (en) | 2019-03-01 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811375143.5A Pending CN109407369A (en) | 2018-11-19 | 2018-11-19 | A kind of liquid crystal display die set and intelligent terminal |
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| CN110336114A (en) * | 2019-05-09 | 2019-10-15 | 天通凯美微电子有限公司 | The integrated electronic equipment of near field communication NFC antenna, wireless charging and display screen |
| CN110336112A (en) * | 2019-05-09 | 2019-10-15 | 天通凯美微电子有限公司 | The electronic equipment of antenna feed element, tuned cell in conjunction with display screen component |
| CN110336113A (en) * | 2019-05-09 | 2019-10-15 | 天通凯美微电子有限公司 | A kind of electronic equipment that reconfigurable antenna is integrated with display screen component |
| CN111029735A (en) * | 2019-11-21 | 2020-04-17 | 腾讯科技（深圳）有限公司 | Antenna module and terminal equipment |
| CN111508340A (en) * | 2020-04-26 | 2020-08-07 | 厦门天马微电子有限公司 | Display module, preparation method and display device |
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| CN110336114B (en) * | 2019-05-09 | 2021-09-17 | 天通凯美微电子有限公司 | Near field communication NFC antenna, wireless charging and display screen integrated electronic equipment |
| CN111029735A (en) * | 2019-11-21 | 2020-04-17 | 腾讯科技（深圳）有限公司 | Antenna module and terminal equipment |
| CN111508340A (en) * | 2020-04-26 | 2020-08-07 | 厦门天马微电子有限公司 | Display module, preparation method and display device |
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Application publication date: 20190301 |