CN208569611U - A kind of backlight module, touch-control display module and electronic equipment - Google Patents
A kind of backlight module, touch-control display module and electronic equipment Download PDFInfo
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- CN208569611U CN208569611U CN201821180369.5U CN201821180369U CN208569611U CN 208569611 U CN208569611 U CN 208569611U CN 201821180369 U CN201821180369 U CN 201821180369U CN 208569611 U CN208569611 U CN 208569611U
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Abstract
The application specific embodiment provides a kind of backlight module, touch-control display module and electronic equipment.The backlight module includes straight lower backlight, electro-magnetic screen layer and backlight shell, and the one side opening of backlight shell, directly lower backlight includes the LED layers overlapped and light guide plate；Electro-magnetic screen layer covers surface of the LED layers towards light guide plate, alternatively, electro-magnetic screen layer covers surface of the light guide plate towards LED layers；Surface is covered with the opening of the LED layers covering backlight shell of electro-magnetic screen layer, and LED layers and electro-magnetic screen layer are respectively positioned in the opening of backlight shell, and electro-magnetic screen layer is connect with backlight shell by conducting medium.The application some or all of in straight lower backlight by will be arranged in the closed housing formed by electro-magnetic screen layer and backlight shell, prevent the electromagnetic wave that directly lower backlight generates from penetrating the closed housing, thus influence of the reduction electromagnetic radiation that directly lower backlight generates to other devices.
Description
Technical field
This application involves field of display technology more particularly to a kind of backlight modules, touch-control display module and electronic equipment.
Background technique
In the prior art, under the light emitting diode (Light emitting diode, LCD) of liquid crystal display die set uses directly
Backlighting scheme, straight lower backlighting scheme is the underface that a large amount of micro- LED are uniformly configured in viewing area.Directly lower backlighting scheme is scanning
When work, the electromagnetic wave of certain frequency and intensity can be generated, the refreshing frequency of the backlight drive signal scanning of straight lower backlighting scheme
Higher electromagnetic wave is stronger.When touch-control sensor (TP sensor) is in the electromagnetic field, itself capacitance is influenced also by electromagnetic wave
Generate shake, expand the noise of TP signal, cause touch operation failure, for example, touch-control it is ineffective, swipe the problems such as breaking.Straight lower back
The electromagnetic wave that light scheme generates during the scanning process may interfere the generations such as mobile phone radiofrequency signal, GPS signal.
Utility model content
According to above-mentioned technical problem, the application provides a kind of backlight module, touch-control display module and electronic equipment.It can drop
Interference of the electromagnetic signal that low straight lower backlight generates to touching signals, radiofrequency signal and GPS signal.
The application realizes by the following method:
On the one hand, the application specific embodiment provides a kind of backlight module, including directly descends backlight, electro-magnetic screen layer and back
Bare hull body, the one side opening of the backlight shell, the directly lower backlight includes the light emitting diode and light guide plate overlapped；
The electro-magnetic screen layer covers the light emitting diode towards the surface of the light guide plate, and surface is covered with the electricity
The LED layers of magnetic masking layer cover the opening of the backlight shell, and the electro-magnetic screen layer and the light guide plate are equal
Outside the cavity of the backlight shell, the electro-magnetic screen layer is connect with the backlight shell by conducting medium；Alternatively,
The electro-magnetic screen layer covers the light guide plate towards the surface of the LED layers, and surface is covered with described
The light guide plate of electro-magnetic screen layer covers the opening of the backlight shell, the LED layers and the electro-magnetic screen layer
It is respectively positioned in the opening of the backlight shell, the electro-magnetic screen layer is connect with the backlight shell by conducting medium.
Second aspect, the application specific embodiment provide a kind of backlight module, including directly descend backlight, electro-magnetic screen layer and
Backlight shell, the one side opening of the backlight shell, the straight lower backlight include the light guide plate and diffusion barrier that stacking is placed；
The electro-magnetic screen layer covers the light guide plate towards the surface of the diffusion barrier, and surface is covered with the electromagnetic screen
The light guide plate for covering layer covers the opening of the backlight shell, and the electro-magnetic screen layer and the diffusion barrier are respectively positioned on the back
Outside the cavity of bare hull body, the electro-magnetic screen layer is connect with the backlight shell by conducting medium；Alternatively,
The electro-magnetic screen layer covers the diffusion barrier towards the surface of the light guide plate, and surface is covered with the electromagnetic screen
The diffusion barrier for covering layer covers the opening of the backlight shell, and the light guide plate and the electro-magnetic screen layer are respectively positioned on the back
In the cavity of bare hull body, the electro-magnetic screen layer is connect with the backlight shell by conducting medium.
The third aspect, the application specific embodiment provide a kind of backlight module, including directly descend backlight, electro-magnetic screen layer and
Backlight shell, the one side opening of the backlight shell, the straight lower backlight include the diffusion barrier and prism film that stacking is placed；
The electro-magnetic screen layer covers the diffusion barrier towards the surface of the prism film, and surface is covered with the electromagnetic screen
The diffusion barrier for covering layer covers the opening of the backlight shell, and the electro-magnetic screen layer and the prism film are respectively positioned on the back
Outside the cavity of bare hull body, the electro-magnetic screen layer is connect with the backlight shell by conducting medium；Alternatively,
The electro-magnetic screen layer covers the prism film towards the surface of the diffusion barrier, and surface is covered with the electromagnetic screen
The prism film for covering layer covers the opening of the backlight shell, and the diffusion barrier and the electro-magnetic screen layer are respectively positioned on the back
In the cavity of bare hull body, the electro-magnetic screen layer is connect with the backlight shell by conducting medium.
Fourth aspect, the application specific embodiment provide a kind of backlight module, including directly descend backlight, electro-magnetic screen layer and
Backlight shell, the one side opening of the backlight shell, the directly lower backlight includes prism film；
The electro-magnetic screen layer covers the outer surface of the prism film, and outer surface is covered with the described of the electro-magnetic screen layer
Prism film covers in the opening of the backlight shell, and the electro-magnetic screen layer is located at outside the cavity of the backlight shell, and described
Electro-magnetic screen layer is connect with the backlight shell by conducting medium.
At first to fourth aspect, the application connects electro-magnetic screen layer with backlight iron-clad by conducting medium, and is formed
The conductor chamber of one closure.Meanwhile backlight iron-clad is also connected to ground, and backlight shell and electro-magnetic screen layer is made to become an equipotentiality
Body, electromagnetic wave cannot penetrate the equipotentiality body, therefore the electromagnetism wave screen that the intracorporal straight lower backlight of the chamber that the closure is arranged in generates
It covers and cannot pass through the cavity.Make the ELECTROMAGNETIC RADIATION SHIELDING that directly lower backlight is generated in scanning work within the cavity part, no
Influence the normal work of touch screen (TP sensor), fingerprint sensor and radiofrequency signal.
At first to fourth aspect, in a possible design, the electro-magnetic screen layer passes through with the backlight shell
Conducting medium connection is: there is gap between the lateral wall of the electro-magnetic screen layer and the inner sidewall of the backlight shell, it is described
The conducting medium is filled in gap.
At first to fourth aspect, in a possible design, the conducting medium is in the dotted between described of separation
The distribution of lengths of gap is in the gap, for being connected to the electro-magnetic screen layer and the backlight shell, the width in the gap
Less than 2mm.
First to fourth aspect, in a possible design, the conducting medium be indium tin oxide target, conductive silver paste,
Conductive tape or copper-foil conducting electricity.
At first to fourth aspect, in a possible design, the sheet resistance of the electro-magnetic screen layer is every less than 100 ohm
The contact resistance of side, electro-magnetic screen layer and conducting medium is less than 10 ohm.
At first to fourth aspect, in a possible design, the electro-magnetic screen layer includes pierced pattern.
At first to fourth aspect, in a possible design, the material of the electro-magnetic screen layer be indium tin oxide target or
Nano silver or graphene or metal grill or organic conductive material.
At first to fourth aspect, in a possible design, the backlight shell is conductive metal shell.
At first to fourth aspect, in a possible design, the backlight frame ground.
5th aspect, the application specific embodiment provide a kind of touch-control display module, including LCD Panel, electromagnetic screen
Layer and backlight shell are covered, the one side opening of the backlight shell, the LCD Panel includes the lower polarizing film overlapped
With lower glass；
The electro-magnetic screen layer covers the lower polarizing film towards the surface of the lower glass, is covered with the electromagnetic shielding
The lower polarizing film of layer covers the opening of the backlight shell, and the electro-magnetic screen layer and the lower glass are respectively positioned on the back
Outside the cavity of bare hull body, and the electro-magnetic screen layer causes to connect with the side wall of the backlight shell by conduction；Alternatively,
The electro-magnetic screen layer covers the lower glass towards the surface of the lower glass, is covered with the electro-magnetic screen layer
The lower glass cover the opening of the backlight shell, the lower polarizing film and the electro-magnetic screen layer are respectively positioned on the backlight
In the cavity of shell, and the electro-magnetic screen layer causes to connect with the side wall of the backlight shell by conduction.
6th aspect, the application specific embodiment provides a kind of touch-control display module, including directly descends backlight, liquid crystal display
Screen, electro-magnetic screen layer and backlight shell, the one side opening of the backlight shell, the LCD Panel includes lower polarization
Piece；
The electro-magnetic screen layer covers the lower polarizing film away from the surface of the straight lower backlight, the lower polarizing film position
In outside the opening of the backlight shell, the directly lower backlight is located in the opening of the backlight shell；
Wherein, the lower polarizing film for being covered with the electro-magnetic screen layer also covers the opening of the backlight shell, and institute
It states electro-magnetic screen layer and is connect with the backlight shell by conducting medium.
At the 5th or the 6th aspect, in a possible design, the electro-magnetic screen layer passes through with the backlight shell
Conducting medium connection is: having gap, the gap between the side wall of the electro-magnetic screen layer and the side wall of the backlight shell
The interior filling conducting medium.
At the 5th or the 6th aspect, in a possible design, the conducting medium is in the dotted between described of separation
The distribution of lengths of gap is in the gap, for being connected to the electro-magnetic screen layer and the backlight shell, the width in the gap
Less than 2mm.
The the 5th or the 6th aspect, in a possible design, the conducting medium be indium tin oxide target, conductive silver paste,
Conductive tape or copper-foil conducting electricity.
At the 5th or the 6th aspect, in a possible design, the conducting medium is coated on electricity in the dotted of separation
Gap between magnetic masking layer and backlight iron-clad, the coating clearance between the conducting medium are less than 2mm.
At the 5th or the 6th aspect, in a possible design, the sheet resistance of the electro-magnetic screen layer is every less than 100 ohm
The contact resistance of side, electro-magnetic screen layer and conductive material is less than 10 ohm.
At the 5th or the 6th aspect, in a possible design, the electro-magnetic screen layer includes pierced pattern.
At the 5th or the 6th aspect, in a possible design, the material of the electro-magnetic screen layer be indium tin oxide target or
Nano silver or graphene or metal grill or organic conductive material.
At the 5th or the 6th aspect, in a possible design, the backlight shell is conductive metal shell.
At the 5th or the 6th aspect, in a possible design, the backlight frame ground.
7th aspect, the application specific embodiment are appointed by a kind of touch-control display module, including in terms of such as first to fourth
Backlight module, LCD Panel and cover-plate glass described in one, are arranged between the backlight module and cover-plate glass
State LCD Panel.
Eighth aspect, the application specific embodiment provide a kind of electronic equipment, including processor and the 5th to the 6th aspect
Described in any item touch-control display modules, the processor is for controlling output backlight signal and display signal；The touch-control is aobvious
Show that backlight signal and display signal of the mould group for exporting according to processor carry out the display of content.
Detailed description of the invention
Fig. 1 is a kind of backlight module that the application specific embodiment provides；
Fig. 2 is a kind of touch-control display module that the application specific embodiment provides；
Fig. 3 is a kind of structural schematic diagram for touch-control display module that the application specific embodiment provides；
Fig. 4 is a kind of electronic product that the application specific embodiment provides；
The block diagram of the part-structure for the mobile phone that Fig. 5 the application specific embodiment provides.
Specific embodiment
In the following, the application is specifically described by specific embodiment.
The backlight being previously mentioned in the embodiment of the present application is located in LCD Panel and is used to issue bright light behind
Source device component.Because liquid crystal display device itself is transparent and will not shine, liquid crystal is lighted by backlight auxiliary
Show screen.Straight lower backlight is the backlight for the underface that the multiple LED that will include are uniformly configured in viewing area in LED layer.
It has significant advantage in terms of increasing substantially contrast, brightness and flexibility.The LCD of straight lower backlighting scheme is divided into more
A backlight block, each backlight block are not needed at work all in the state being always on.Each backlight block can be according to affiliated
The brightness increase in demand of indication range reduces brightness, is even switched off.Therefore the program can significantly improve the contrast of LCD,
Display quality is significantly promoted.Simultaneously as backlight is divided into multiple blocks, directly lower backing structure can help LCD to correspond to soft
The high demands such as property is shown, abnormity is shown.But LCD and touch screen (Touch Pad, TP) have block division and block
Quantity is close, requires to be worked with the mode of scanning (scanning), therefore the working frequency of the two is close, have frequency crosstalk,
The risks such as resonance.Also, the voltage and current signal of straight lower backlighting scheme is higher, the backlight drive signal meeting in straight lower backlighting scheme
TP driving signal is interfered, keeps the noise of TP signal excessive and circuit (Integrated Circuit, IC) cannot be integrated correctly
Identification.
Straight lower backlight in the application specific embodiment can cooperate local luminous technology (Local dimming).
Fig. 1 is a kind of backlight module that the application specific embodiment provides.As shown in Figure 1, under backlight module 100 includes straight
Backlight 110, backlight shell 120 and electro-magnetic screen layer 130.
In one example, directly lower backlight 110 includes reflector plate 111, light emitting diode (Light Emitting
Diode, LED) layer 112, light guide plate 113, diffusion barrier 114 and prism film 115.Certainly, it includes reflector plate that this, which directly descends backlight 110,
111, LED layers 112, light guide plate 113, diffusion barrier 114 and prism film 115 are only the citing of the application specific embodiment,
It cannot be used for the restriction to the application.
Reflector plate 111, LED layers 112, light guide plate 113, diffusion barrier 114 and prism film 115 are respectively sheet knot
Structure.In the specific embodiment of the application, with the reflector plate 111 of laminated structure, LED layers 112, light guide plate 113, expand
The cross sectional shape of film 114 and prism film 115 is dissipated to be illustrated for rectangle.Certainly, the reflector plate 111 of laminated structure, shine
Diode layer 112, light guide plate 113, diffusion barrier 114 and prism film 115 section in two sides can also include cambered surface, the application couple
This is without limiting.That is, the straight lower backlight of the embodiment of the present application can be used for including that the electronics of curve screens is arranged,
Each layer of cross sectional shape is identical as the cross sectional shape of curve screens in backlight module 100.
Reflector plate 111, LED layer 112, light guide plate 113, diffusion barrier 114 and prism film 115 overlap.Specifically, sheet
Reflector plate 111, LED layer 112, light guide plate 113, diffusion barrier 114 and the prism film 115 of structure respectively include first end face and second
End face.LED layer 112 is arranged between reflector plate 111 and light guide plate 113.Wherein, the second end face and LED layer of reflector plate 111
112 first end face is adjacent, and the first end face of light guide plate 113 is adjacent with the second end face of LED layer 112.The setting of mould 114 is spread to exist
Between light guide plate 113 and prism film 115, wherein the second end face of light guide plate 113 and the first end face of diffusion barrier 114 are adjacent, rib
The first end face of mirror film 115 is adjacent with the diffusion second end face of mould 114.
LED layer 112 includes multiple LED light, and multiple LED light can according to need uniform arrangement, and the application is more to this
The quantity of a LED light and position are without limiting.By lighting multiple LED light, can make corresponding with the backlight module
LCD Panel is lit.In one example, multiple LED light includes the LED light of M row and N column.
Reflector plate 111 is used for the light that issues LED layer 112 to the first end face of reflector plate 111 to the side of second end face
To reflection.In one example, the one side opposite with LED layer 112 of reflector plate 111 has the material of preferable light albedo,
For example, mirror surface.
The second end face of LED layer 112 is arranged in light guide plate 113, and light guide plate 113 is the material with preferable light conducting power
Material.The light that light guide plate 113 is used to issue each LED light in LED layer 112 is guided to periphery, issues multiple LED light
Light is uniformly distributed in 113 place plane of light guide plate.
The second end face of light guide plate 113 is arranged in diffusion barrier 114, and diffusion barrier 114 will be for that will pass through what light guide plate 113 guide
Light is diffused, so that the light is uniformly distributed.
Prism film 115 is used for the light after the diffusion of diffusion barrier 114 from the first end face of prism film 115 to second end
The direction in face is reflected.
It is worth noting that, above-mentioned reflector plate 111, LED layer 112,115 phase of light guide plate 113, diffusion barrier 114 and prism film
Position between mutually is only the citing of one of the application specific embodiment, it is impossible to be used in the restriction to the application.It is above-mentioned to remove instead
It penetrates except piece 111 and LED layer 112, light guide plate 113, diffusion barrier 114 and the mutual position of prism film 115 can be any
Adjustment, the application is to this without limiting.
It should be noted that directly lower backlight 110 includes reflector plate 111, LED layer 112, light guide plate 113, diffusion barrier 114
It is only the specific citing of one of the application with prism film 115, it is impossible to be used in the restriction to the application.
It further include backlight shell 120 in backlight module 100 in another embodiment of the application, backlight shell 120 is used for
Shield electromagnetic interference.In one example, backlight shell 120 is made of metal material.
Backlight shell 120 is grounded.It in one example, may include gold by the electronic device that the backlight module 100 is constituted
Belong to shell.120 grounding connection of backlight shell is that backlight shell 120 is of coupled connections with metal shell.
Backlight shell 120 is the cavity body structure of one side opening, the ruler of the cavity of backlight shell 120 and straight lower backlight 110
It is very little corresponding.
Optionally, backlight assembly 100 further includes electro-magnetic screen layer 130, and electro-magnetic screen layer 130 is can to shield electromagnetic signal
Material layer.The electro-magnetic screen layer 130 is used to cover the opening of backlight shell 120, closed to form one in backlight shell 120
Cavity, this directly descends at least reflecting plate 111 and LED layer 112 in backlight 110 to be located in the closed cavity.
That is, electro-magnetic screen layer 130 be arranged in any two layers of 112 or more the LED layer of straight lower backlight 110 it
Between.It should be noted that any between two layers of 112 or more the LED layer of straight lower backlight 110 is arranged in electro-magnetic screen layer 130
It may include a variety of specific plans of establishment.
In a specific example, if electro-magnetic screen layer 130 covers LED layer 112 towards the surface of light guide plate 113, table
Face be covered with electro-magnetic screen layer 130 LED layer 112 cover backlight shell 120 opening, electro-magnetic screen layer 130, light guide plate 113,
Diffusion barrier 114 and prism film 115 are respectively positioned on outside the cavity of backlight shell；Or, electro-magnetic screen layer 130 covers 113 direction of light guide plate
The surface of LED layer 112, the light guide plate 113 that surface is covered with electro-magnetic screen layer 130 cover the opening of backlight shell 120, reflector plate
111, LED layer 112 and electro-magnetic screen layer 130 are respectively positioned in the opening of backlight shell.
If electro-magnetic screen layer 130 covers light guide plate 113 towards the surface of diffusion barrier 114, surface is covered with electro-magnetic screen layer
130 light guide plate 113 covers the opening of backlight shell 120, and electro-magnetic screen layer 130, diffusion barrier 114 and prism film 115 are respectively positioned on
Outside the cavity of backlight shell 120；Or, electro-magnetic screen layer 130 covers diffusion barrier 114 towards the surface of light guide plate 113, surface covering
There is the diffusion barrier 114 of electro-magnetic screen layer 130 to cover the opening of backlight shell 120, reflecting plate 111, LED layer 112, light guide plate 113
It is respectively positioned on electro-magnetic screen layer 130 in the cavity of backlight shell 120.
If diffusion barrier 114 is arranged towards the surface of prism film 115 in electro-magnetic screen layer 130, surface is covered with electro-magnetic screen layer
130 diffusion barrier 114 covers the opening of backlight shell 120, and electro-magnetic screen layer 130 and prism film 115 are respectively positioned on backlight shell 120
Cavity outside；Alternatively, electro-magnetic screen layer 130 covers prism film 115 towards the surface of 114 sum of diffusion barrier, surface is covered with electromagnetism
The prism film 115 of shielded layer 130 covers the opening of backlight shell 120, reflector plate 111, LED layer 112, light guide plate 113, diffusion barrier
114 and electro-magnetic screen layer 130 be respectively positioned on the chamber of backlight shell 120；
If electro-magnetic screen layer 130 covers surface of the prism film 115 far from diffusion barrier 114, outer surface is covered with electromagnetic shielding
The prism film 115 of layer 130 covers the opening of backlight shell 120.Electro-magnetic screen layer 130 is located at outside the cavity of backlight shell 120, directly
Reflecting plate 111, LED layer 112, light guide plate 113, diffusion barrier 114 and the prism film 115 of lower backlight 210 are arranged at backlight shell
In the opening of body 120.
Electro-magnetic screen layer 130 also covers the opening of backlight shell 120 and electro-magnetic screen layer 130 passes through with backlight shell 120
Conducting medium 140 connects.Specifically, between having between the lateral wall of electro-magnetic screen layer 130 and the inner sidewall of backlight shell 120
Gap fills the conducting medium 140 in gap.
In a kind of coating method of conducting medium 140, conducting medium 140 is coated on electro-magnetic screen layer in the dotted of separation
Gap between 130 and backlight shell 120.In one example, electro-magnetic screen layer 130 and backlight shell 120 are in isolated point
Distribution of lengths of the shape along gap is less than 2mm in applying conductive medium 140, the gap between conducting medium in gap.In another kind
In the coating method of conductive material, gap coating one of the conducting medium 140 between electro-magnetic screen layer 130 and backlight shell 120
Whole circle.Gap applying conductive medium 140 between above-mentioned electro-magnetic screen layer 130 and backlight shell 120 is only that the application is specifically real
Apply a citing in example, it is impossible to be used in the restriction to the application.
In the specific embodiment of the application, LED layer 112 is divided into multiple blocks, in one example LED layer 112
The block of division is identical as the block that touch screen (TP sensor) divides.LED layer 112 and touch screen are needed with scanning
(scanning) mode works.The working frequency of touch screen and LED layer 112 is close, there is the risks such as frequency crosstalk, resonance.And
And directly the voltage and current signal of LED layer 112 is higher in lower backlight 110, the signal of driving LED layer 112 may interfere with TP's
Driving signal keeps the noise of the driving signal of TP excessive and cannot correctly be identified by IC.
The application can effectively be generated LED layer 112 by increasing electro-magnetic screen layer 130 in backlight module 100
ELECTROMAGNETIC RADIATION SHIELDING reaches inside the airtight cavity that backlight shell 120 and electro-magnetic screen layer 130 are formed and eliminates LED layer 112
Driving signal is to the signal of touch screen and the interference of radiofrequency signal.
Optionally, conducting medium 140 can be conductive silver paste or conductive tape or copper-foil conducting electricity.Certainly, conducting medium 140
It is also possible to any other material, the application is to this without limiting.
Optionally, less than 100 ohm every sides of the sheet resistance of electro-magnetic screen layer 130, electro-magnetic screen layer 130 and conducting medium 140
Contact resistance less than 10 ohm.Preferably, less than 10 ohm every sides of the sheet resistance of electro-magnetic screen layer 130.
Electro-magnetic screen layer 130 can be the material layer including pierced pattern, and in one example, pierced pattern can be more
The arbitrary shapes such as side shape, circle, irregular figure.In the specific embodiment of the application, pierced pattern in electro-magnetic screen layer 130
Shape, the demand of the thickness frequency range and transmitance that can according to need shielding of electro-magnetic screen layer 130 designed accordingly.
Conventional wet etch process production can be used in the pierced pattern of electro-magnetic screen layer 130.
The material of electro-magnetic screen layer 130 is electro-conductive glass (ITO) or nano silver or graphene or metal grill (Metal
) or organic conductive material mesh.
Optionally, electro-magnetic screen layer 130 plates film production by magnetron sputtering technique, and coating temperature is greater than 300 degrees Celsius, plating
Film after annealing, annealing temperature are greater than 150 degrees Celsius, and annealing time is 20~60 minutes.
Conducting medium 140 requires contact resistance and resistance lower.Optionally, conducting medium 140 and electro-magnetic screen layer 130
Contact resistance is less than 10 ohm, preferably smaller than 1 ohm.
It should be noted that the airtight cavity that backlight shell 120 and electro-magnetic screen layer 130 are formed in the application is can be into
The space of row electromagnetic shielding.For example, faraday's cage.
Fig. 2 is a kind of touch-control display module that the application specific embodiment provides.200 (LCD touch of touch-control display module
Display) it include cover-plate glass 230, LCD Panel 220 and straight lower backlight 210.Directly lower backlight 210, liquid crystal display
Screen 220 and cover-plate glass 230 are stacked, LCD Panel 220 be located at directly lower backlight 210 and cover-plate glass 230 it
Between.
Straight lower backlight 210 and including reflector plate 211, LED layer 212, light guide plate 213, diffusion barrier 214 and prism
The straight lower backlight 110 of film 215 and Fig. 1 and including reflector plate 111, LED layer 112, light guide plate 113, diffusion barrier 114 and
Prism film 115 is identical, and the application repeats no more straight lower backlight 210.
LCD Panel 220 includes lower polarizing film 221 (Polarizer, POL), liquid crystal display drive circuit (TFT glass)
222, color blocking (CF glass) 223 and upper polarizer 225.LCD Panel 220 includes lower polarizing film 221, liquid crystal drive electricity
Road 222, color blocking 223 and upper polarizer 225 are only the citing of one of the application specific embodiment, it is impossible to be used in the application's
It limits.Optionally, LCD Panel 220 can also coat antistatic material layer 224.
Lower polarizing film 221 is for generating polarised light, and upper polarizer 225 is for detecting polarised light.222 He of liquid crystal display drive circuit
It include filling liquid crystal between color blocking 223.Liquid crystal display drive circuit 222, color blocking 223 and setting are in liquid crystal display drive circuit 222 and color blocking
Liquid crystal between 223 shows corresponding content for controlling.
Lower polarizing film 221, liquid crystal display drive circuit 222, colour cell 223, antistatic material layer 224 and upper polarizer 225 are distinguished
Including first end face and second end face.
Lower polarizing film 221, liquid crystal display drive circuit 222, colour cell 223, antistatic material layer 224 and upper polarizer 225 are overlapped
Setting.Specifically, liquid crystal display drive circuit 222 is between lower polarizing film 221 and colour cell 223, the second end face of lower polarizing film 221
It is adjacent with the first end face of liquid crystal display drive circuit 222, the second end face of liquid crystal display drive circuit 222 and the first end face of color blocking 223
It is adjacent.Antistatic material layer 224 is arranged between upper polarizer 225 and color blocking 223, the first end face of antistatic material layer 224
Adjacent with the second end face of color blocking, the second end face of antistatic material layer and the first end face of upper polarizer are adjacent.
Certainly, liquid crystal display drive circuit 222 and the mutual position of colour cell 223 can according to need any setting.This Shen
Please to this without limiting.The above-mentioned liquid crystal display drive circuit 222 of the application and color blocking 223 due to set relative position not
Together, upper glass and lower glass can be referred to as respectively.For example, first end face and lower polarizing film 221 when liquid crystal display drive circuit 222
Second end face connection, when the second end face of liquid crystal display drive circuit 222 is connect with the first end face of color blocking 223, liquid crystal drive is electric
Road 222 can be referred to as lower glass, and color blocking 223 can be referred to as upper glass；First end face and lower polarizing film when color blocking 223
221 second end face connection, when the second end face of color blocking 223 is connect with the first end face of liquid crystal display drive circuit 222, color blocking 223
Lower glass can be referred to as, liquid crystal display drive circuit 222 can be referred to as upper glass.
Directly lower backlight 210 and LCD Panel 220 overlap, and directly prism mould 215 is separate in lower backlight 210 expands
The side for dissipating mould 214 is connected with the lower polarizing film 221 of LCD Panel 220 far from the side of lower glass.
In another embodiment of the application, touch-control display module 200 further includes backlight shell 240, and backlight shell 240 is used
In shielding electromagnetic interference.Backlight shell 240 is the cavity body structure of one side opening, and the cavity of backlight shell 240 is in display plane
Size is with straight lower backlight 210 in the equal sized of display plane.The backlight shell of backlight shell 240 and Fig. 1 shown in Fig. 2
120 is identical, and application repeats no more backlight shell 240.
Optionally, liquid crystal display die set 200 further includes electro-magnetic screen layer 250, and electro-magnetic screen layer 250 is can to shield electromagnetism
The material layer of signal.The electro-magnetic screen layer 250 is used to cover the opening of backlight shell 240, to form closed cavity, under this is straight
At least reflecting plate 211 and LED layer 212 is located in the closed cavity in backlight 210.
Specifically, in the straight lower backlight 210 and LCD Panel 220 that overlap, the LED of straight lower backlight 210
Electro-magnetic screen layer can be set between two layers of arbitrary neighborhood between layer 212 and the lower polarizing film 221 of LCD Panel 220
250.Meanwhile electro-magnetic screen layer 250 covers the opening of backlight shell 240 and electro-magnetic screen layer 250 and backlight shell 240 pass through and lead
Dielectric 260 connects.It should be noted that the LED layer 212 of straight lower backlight 210 and the lower polarizing film of LCD Panel 220
It may include a variety of specific plans of establishment that electro-magnetic screen layer 250 is arranged between two layers of arbitrary neighborhood between 221.
In a specific example, if electro-magnetic screen layer 250 covers LED layer 212 towards the surface of light guide plate 213, table
The LED layer 212 that face is covered with electro-magnetic screen layer 250 covers the opening of backlight shell 240, LCD Panel 220, electromagnetic shielding
Layer 250 and light guide plate 213, diffusion barrier 214 and the prism film 215 of straight lower backlight 210 are respectively positioned on the cavity of backlight shell 240
Outside；Or, electro-magnetic screen layer 250 covers light guide plate 213 towards the surface of LED layer 212, surface is covered with electro-magnetic screen layer 130
Light guide plate 113 covers the opening of backlight shell 120, the reflecting plate 211 and LED layer of electro-magnetic screen layer 250 and straight lower backlight 210
212 are respectively positioned in the opening of backlight shell 240.
If electro-magnetic screen layer 250 covers light guide plate 213 towards the surface of diffusion barrier 214, surface is covered with electro-magnetic screen layer
250 light guide plate 213 covers the opening of backlight shell 240, LCD Panel 220, electro-magnetic screen layer 250 and directly descends backlight
210 diffusion barrier 214 and prism film 215 is respectively positioned on outside the cavity of backlight shell 240；Or electro-magnetic screen layer 250 covers diffusion barrier
214 towards the surface of light guide plate 213, and the diffusion barrier 214 that surface is covered with electro-magnetic screen layer 250 covers opening for backlight shell 240
Mouthful, reflecting plate 211, LED layer 212 and the light guide plate 213 of electro-magnetic screen layer 250 and straight lower backlight 210 are located at backlight shell 240
Opening in.
If electro-magnetic screen layer 250 covers diffusion barrier 214 towards the surface of prism film 215, surface is covered with electro-magnetic screen layer
250 diffusion barrier 214 covers the opening of backlight shell 240, LCD Panel 220, electro-magnetic screen layer 250 and directly descends backlight
210 prism film 215 is located at outside the opening of backlight shell 240；Or, electro-magnetic screen layer 250 covers prism film 215 towards diffusion barrier
The surface of 214 sums, the diffusion barrier 214 for being covered with electro-magnetic screen layer 250 cover the opening of backlight shell 240, electro-magnetic screen layer 250
It is located at the opening of backlight shell 240 with reflecting plate 211, LED layer 212, light guide plate 213 and the diffusion barrier 214 of straight lower backlight 210
It is interior.
If electro-magnetic screen layer 250 is covered on prism film 215 towards the surface of lower polarizing film 221, surface is covered with electromagnetic screen
The prism film 215 for covering layer 250 covers the opening of backlight shell 240, and LCD Panel 220 and electro-magnetic screen layer 250 are located at back
Outside the opening of bare hull body 240；Or, electro-magnetic shielding cover 250 covers lower polarizing film towards the surface of prism film 215, surface is covered with
The prism film 215 of electro-magnetic screen layer 250 covers the opening of backlight shell 240, and directly lower backlight 210 is located at backlight shell 240
In opening.
If electro-magnetic screen layer 250 is covered on lower polarizing film 221 towards the surface of lower glass 222, surface is covered with electromagnetic screen
The lower polarizing film 221 for covering layer 250 covers the opening of backlight shell 240, under the LCD Panel 220 of electro-magnetic screen layer 250
Glass 222, upper glass 223 and upper polarizer 225 are located at outside the opening of backlight shell 240；Or, under electro-magnetic shielding cover 250 covers
222, the glass surfaces towards lower glass 221, the prism film 215 that surface is covered with electro-magnetic screen layer 250 cover backlight shell
The lower polarizing film 221 of 240 opening, electro-magnetic screen layer 250, straight lower backlight 210 and LCD Panel 220 is located at backlight shell
In the opening of body 240.
The opening and electro-magnetic screen layer 250 of the covering backlight shell 240 of electro-magnetic screen layer 250 are with backlight shell 240 by leading
Dielectric 260 connects.Specifically, electro-magnetic screen layer 250 and backlight shell 240 pass through the connection type and Fig. 1 of conducting medium 260
Described identical, the application repeats no more this.
In the specific embodiment of the application, LED layer 212 is divided into multiple blocks, in one example LED layer 212
The block of division is identical as the block that touch screen (TP sensor) divides.LED layer 212 and touch screen are needed with scanning
(scanning) mode works.The working frequency of touch screen and LED layer 212 is close, there is the risks such as frequency crosstalk, resonance.And
And the voltage and current signal of straight lower backlight 210 is higher, the driving signal of straight lower backlight 210 may interfere with TP driving letter
Number, keep the noise of TP signal excessive and cannot correctly be identified by IC.
The application effectively will can directly descend backlight by increasing electro-magnetic screen layer 250 in touch-control display module 200
It is straight to reach elimination in the airtight cavity that backlight shell 240 and electro-magnetic screen layer 250 are formed for 210 ELECTROMAGNETIC RADIATION SHIELDINGs generated
Lower backlight 210 is to the touch signal of LCD Panel 220 and the interference of radiofrequency signal.
It should be noted that the airtight cavity that backlight shell 240 and electro-magnetic screen layer 250 are formed in the application is can be into
The space of row electromagnetic shielding.For example, faraday's cage.
Optionally, conducting medium 260 can be conductive silver paste or conductive tape or copper-foil conducting electricity.Certainly, conducting medium 260
It is also possible to any other material, the application is to this without limiting.
The mode of applying conductive medium 260 is identical as described in Fig. 1 between electro-magnetic screen layer 250 and backlight shell 240, this Shen
Please this is not being repeated.
Less than 100 ohm every sides of the sheet resistance of electro-magnetic screen layer 250, the electricity of the contact with conducting medium 260 of electro-magnetic screen layer 250
Resistance is less than 10 ohm.Preferably, less than 10 ohm every sides of the sheet resistance of electro-magnetic screen layer 250.
Electro-magnetic screen layer 250 can be the material layer including pierced pattern, and in one example, pierced pattern can be more
The arbitrary shapes such as side shape, circle, irregular figure.In the specific embodiment of the application, pierced pattern in electro-magnetic screen layer 250
Shape, the demand of the thickness frequency range and transmitance that can according to need shielding of electro-magnetic screen layer 250 designed accordingly.
Conventional wet etch process production can be used in the pierced pattern of electro-magnetic screen layer 250.
The material of electro-magnetic screen layer 250 is electro-conductive glass (ITO) or nano silver or graphene or metal grill (Metal
) or organic conductive material mesh.
Optionally, electro-magnetic screen layer 250 is formed by magnetron sputtering technique plated film, and coating temperature is greater than 300 degrees Celsius, plating
Film after annealing, annealing temperature are greater than 150 degrees Celsius, and annealing time is 20~60 minutes.
Conducting medium 260 requires contact resistance and resistance lower.Optionally, conducting medium 260 and electro-magnetic screen layer 250
Contact resistance is less than 10 ohm, preferably smaller than 1 ohm.
LCD Panel 220 in the embodiment of the present application further includes flexible hard printed circuit board (Flexible Printed
Circuit, FPC) 280 and integrated circuit (Integrated Circuit, IC) 270.One end of FPC280 and plate connect plate
Device (Board to Board, BTB) circuit connection simultaneously obtains need data to be shown, and the other end and the IC270 of FPC280 is electrically connected
The data input IC270 that connects and will acquire.IC270 passes through for being processed into the information that can be shown to the data of acquisition
LCD Panel 220 shows the information that can be shown.
Optionally, the IC270 in the application specific embodiment both can be set on liquid crystal display drive circuit 222, IC270
Directly by treated, need signal to be shown is exported to liquid crystal display drive circuit 222.Certainly, IC270 also can be set
On FPC280, by FPC280, by IC270, treated that signal to be shown is needed to be transmitted to liquid crystal display drive circuit 222.
It should be noted that LCD Panel 220 is either tft liquid crystal in the application specific embodiment
Display (Thin Film Transistor-Liquid Crystal Display, TFT-LCD), is also possible to twisted-nematic
Type liquid crystal display (Twist Nematic LCD, TN-LCD) or, super-twist nematic liquid crystal display (Super Twist
Nematic LCD, STN-LCD) or tortuous nomogram liquid crystal display (the Dual Scan Tortuosity of double scannings
Nomograph LCD,DSTN-LCD).The application is to the concrete type of LCD assembly without limiting.
Electro-magnetic screen layer 250 is arranged in below the example of the upper surface of the lower polarizing film 221 of LCD Panel 220 into
Row explanation.
Fig. 3 is a kind of structural schematic diagram for touch-control display module that the application specific embodiment provides.As shown in figure 3, packet
Include cover-plate glass 230, LCD assembly 220 and straight lower backlight 210.Directly lower backlight 210,220 and of LCD assembly
Cover-plate glass 230 is superposed.Directly lower backlight 210, LCD assembly 220 and cover-plate glass 230 are identical as above-mentioned Fig. 2,
The application is to this without repeating.Straight lower backlight 210, LCD assembly 220 and the mutual setting of cover-plate glass 230
Also identical as above-mentioned Fig. 2, the application is to this equally without repeating.
It further include backlight shell 240 in touch-control display module, directly lower backlight sets 210 and sets in backlight shell 240.Cover board
Glass 230, LCD Panel 220, directly lower backlight 210 and backlight shell 240 are identical as Fig. 2, and the application is no longer superfluous to this
It states.
It further include electro-magnetic screen layer 250 in touch-control display module, the upper of lower polarizing film 221 is arranged in electro-magnetic screen layer 250
Surface.The electro-magnetic screen layer 250 of the upper surface of lower polarizing film 221 and the multilayered structure that straight lower backlight 210 is arranged in are set
In 212 or more LED layer (including LED layer) electro-magnetic screen layer 250 it is identical, the application is to this without repeating.
The application forms one by connecting electro-magnetic screen layer 250 and backlight shell 240 by conducting medium 260
The conductor chamber of closure.Meanwhile backlight shell 240 is also connected to ground, and backlight shell 240 and electro-magnetic screen layer 250 is made to become one
Equipotentiality body, electromagnetic wave cannot penetrate the equipotentiality body, therefore the electromagnetic wave shielding that straight lower backlight 210 can be generated is by electromagnetism
In the cavity that shielded layer 250 and backlight shell 240 form.To make the electromagnetism that directly lower backlight 210 is generated in scanning work
Radiation shield is allowed to not influence touch screen (TP sensor), fingerprint sensor and radiofrequency signal within straight lower backlight 210
Normal work.
Fig. 4 is a kind of electronic product for providing of the application specific embodiment, the electronic product include touch-control display module and
Mainboard.Mainboard is for controlling each road driving signal of input and output.Mainboard exported to touch-control display chip include backlight signal and
Display/touching signals.Display/touching signals and backlight signal are by BTB by display/touching signals to touch-control and display driver
Integrated (Touch and Display Driver Integration, TDDI) chip (integrated circuit, IC) hair
It send, and receives the touching signals that TDDI IC is returned.To which the display signal for issuing touch-control display module according to TDDI IC is aobvious
Show corresponding content, makes the corresponding display content of touching signals output that TDDI IC is returned mainboard based on the received.Backlight signal
It is sent by BTB to direct type backlight assembly.
It in one example, further include backlight IC in mainboard.After mainboard issues control signal to backlight IC, backlight IC is received
The control signal.Backlight IC opens backlight circuit channel and exports voltage value required for backlight (such as 21V), backlight signal warp
BTB connector is by voltage transmission to direct type backlight assembly.After LED starts to work, backlight control signal is always on LED is controlled directly
Terminate to display task.While mainboard sends backlight signal, what mainboard also synchronized sends LCD/TP to TDDI IC by BTB
Signal is controlled, TDDI IC is sent to by BTB connector.TDDI IC output slab driving signal is to panel (backlight display group
Part), panel shows corresponding content according to panel driving signal.
The present embodiments relate to electronic product may include mobile phone, tablet computer, PDA (Personal Digital
Assistant, personal digital assistant), POS (Point of Sales, point-of-sale terminal), vehicle-mounted computer etc..
It is specifically described in the following, taking the mobile phone as an example, the part-structure for the mobile phone that Fig. 5 the application specific embodiment provides
Block diagram.With reference to Fig. 5, mobile phone 500 includes, RF (Radio Frequency, radio frequency) circuit 510, memory 520, other inputs
Equipment 530, touch-control display module 540, sensor 550, voicefrequency circuit 560, I/O subsystem 570, processor 580 and power supply
590 equal components.It, can be with it will be understood by those skilled in the art that handset structure shown in Fig. 5 does not constitute the restriction to mobile phone
Certain components or different component cloth are perhaps split including than illustrating more or fewer components, perhaps combining certain components
It sets.
It is specifically introduced below with reference to each component parts of the Fig. 5 to mobile phone 500:
RF circuit 510 can be used for receiving and sending messages or communication process in, signal sends and receivees, particularly, by base station
After downlink information receives, handled to processor 580；In addition, the data for designing uplink are sent to base station.In general, RF circuit packet
Include but be not limited to antenna, at least one amplifier, transceiver, coupler, LNA (Low Noise Amplifier, low noise
Amplifier), duplexer etc..In addition, RF circuit 510 can also be communicated with network and other equipment by wireless communication.Channel radio
Any communication standard or agreement, including but not limited to GSM (Global System of Mobile can be used in letter
Communication, global system for mobile communications), GPRS (General Packet Radio Service, general packet without
Line service), CDMA (Code Division Multiple Access, CDMA), WCDMA (Wideband Code
Division Multiple Access, wideband code division multiple access), LTE (Long Term Evolution, long term evolution), electronics
Mail, SMS (Short Messaging Service, short message service) etc..
Memory 520 can be used for storing software program and module, and processor 580 is stored in memory 520 by operation
Software program and module, thereby executing the various function application and data processing of mobile phone 500.Memory 520 can be main
Including storing program area and storage data area, wherein storing program area can answer needed for storage program area, at least one function
With program (such as sound-playing function, image player function etc.) etc.；Storage data area, which can be stored, uses institute according to mobile phone 500
Data (such as audio data, phone directory etc.) of creation etc..In addition, memory 520 may include high-speed random access memory,
It can also include nonvolatile memory, a for example, at least disk memory, flush memory device or other volatile solid-states are deposited
Memory device.
Other input equipments 530 can be used for receiving the number or character information of input, and generate the user with mobile phone 500
Setting and the related key signals input of function control.Specifically, other input equipments 530 may include but be not limited to secondary or physical bond
(light mouse is that do not show can for disk, function key (such as volume control button, switch key etc.), trace ball, mouse, operating stick, light mouse
Depending on the touch sensitive surface exported, or the extension of touch sensitive surface formed by touch screen) etc. one of or it is a variety of.
Other input equipments 530 are connected with other input device controls devices 571 of I/O subsystem 570, in other equipment input control
Signal interaction is carried out with processor 580 under the control of device 571.
Touch-control display module 540 can be used for showing information input by user or the information and mobile phone that are supplied to user
500 various menus can also receive user's input.Specifically, touch-control display module 540 may include LCD Panel 541
With backlight 542.LCD Panel further includes display panel and touch panel.Wherein display panel can use LCD
(Liquid Crystal Display, liquid crystal display), OLED (Organic Light-Emitting Diode, You Jifa
Optical diode) etc. forms configure display panel.Touch panel, also referred to as touch screen, touch-sensitive screen etc. collect user on it
Or neighbouring contact or Touchless manipulation (such as user using any suitable objects or attachment such as finger, stylus in touch-control
Operation on panel or near touch panel also may include somatosensory operation；The operation includes single-point control operation, multiple spot control
The action types such as system operation.), and corresponding attachment device is driven according to preset formula.Optionally, touch panel can wrap
Include both touch detecting apparatus and touch controller.Wherein, touch orientation, the posture of touch detecting apparatus detection user,
And touch operation bring signal is detected, transmit a signal to touch controller；Touch controller connects from touch detecting apparatus
Touch information is received, and is converted into the information that processor is capable of handling, then give processor 580, and processor 580 can be received
The order sent simultaneously is executed.Furthermore, it is possible to using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves
It realizes touch panel, touch panel can also be realized using any technology of future development.Further, touch panel can cover
Display panel, user can (the display content includes but is not limited to soft keyboard, virtual mouse according to the content that display panel is shown
Mark, virtual key, icon etc.), it is operated on the touch panel covered on a display panel or nearby, touch panel inspection
After measuring operation on it or nearby, processor 580 is sent to by I/O subsystem 570 to determine that user inputs, is then located
Reason device 580 provides corresponding visual output by I/O subsystem 570 according to user's input on a display panel.Although in Fig. 5
In, touch panel and display panel are the input and input function for realizing mobile phone 500 as two independent components, but
In some embodiments, can be integrated by touch panel and display panel and that realizes mobile phone 500 output and input function.Backlight
542 include multiple according to certain regularly arranged light emitting diode (, LED).Backlight is used for
Mobile phone 500 may also include at least one sensor 550, such as optical sensor, motion sensor and other sensings
Device.Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 541, and proximity sensor can close display when mobile phone 500 is moved in one's ear
Panel 541 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect (generally three in all directions
Axis) acceleration size, can detect that size and the direction of gravity when static, can be used to identify mobile phone posture application (such as
Horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；As for
The other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor that mobile phone 500 can also configure, herein not
It repeats again.
Voicefrequency circuit 560, loudspeaker 561, microphone 562 can provide the audio interface between user and mobile phone 500.Audio
Signal after the audio data received conversion can be transferred to loudspeaker 561, be converted to sound by loudspeaker 561 by circuit 560
Signal output；On the other hand, the voice signal of collection is converted to signal by microphone 562, is converted after being received by voicefrequency circuit 560
For audio data, then audio data exported to RF circuit 508 to be sent to such as another mobile phone, or audio data is exported
To memory 520 to be further processed.
I/O subsystem 570 is used to control the external equipments of input and output, may include other equipment input controller 571,
Sensor controller 572, display controller 573 and backlight controller 574.Optionally, other one or more input controls are set
Preparation controller 571 receives signal from other input equipments 530 and/or sends signal to other input equipments 530, other inputs
Equipment 530 may include physical button (push button, rocker buttons etc.), dial, slide switch, control stick, click idler wheel,
(light mouse is prolonging for the touch sensitive surface for not showing the touch sensitive surface visually exported, or formed by touch screen to light mouse
It stretches).It is worth noting that other input control apparatus controllers 571 can be connect with any one or multiple above equipments.I/
Display controller 573 in O subsystem 570 receives signal from display screen 540 and/or sends signal to display screen 540.Display
After screen 540 detects user's input, user's input that display controller 573 will test is converted to and is shown in display screen 540
On user interface object interaction, i.e., realization human-computer interaction.Sensor controller 572 can be from one or more sensor
550 receive signal and/or send signal to one or more sensor 550.Backlight controller 574 is used for backlight
575 send backlight control signal, light or extinguish by backlight control signal control backlight 575.
Processor 580 is the control centre of mobile phone 500, utilizes each portion of various interfaces and connection whole mobile phone
Point, by running or execute the software program and/or module that are stored in memory 520, and calls and be stored in memory 520
Interior data execute the various functions and processing data of mobile phone 500, to carry out integral monitoring to mobile phone.Optionally, processor
580 may include one or more processing units；Preferably, processor 580 can integrate application processor and modem processor,
Wherein, the main processing operation system of application processor, user interface and application program etc., modem processor mainly handles nothing
Line communication.It is understood that above-mentioned modem processor can not also be integrated into processor 580.
Mobile phone 500 further includes the power supply 590 (such as battery) powered to all parts, it is preferred that power supply can pass through electricity
Management system and processor 580 are logically contiguous, to realize management charging, electric discharge and power consumption by power-supply management system
Etc. functions.
Although being not shown, mobile phone 500 can also include camera, bluetooth module etc., and details are not described herein.
It should be noted that it is the alternative embodiment that the application is introduced, art technology that the application, which provides embodiment,
Personnel on this basis, can be designed that more embodiments completely, therefore not repeat here.
Those of ordinary skill in the art may be aware that it is described in conjunction with the examples disclosed in the embodiments of the present disclosure,
It can be realized with the combinations of similar structures.Professional technician can come each specific part to come using distinct methods real
Existing described function, but this realization is it is not considered that exceed scope of the present application.
It is apparent to those skilled in the art that for convenience and simplicity of description, the device of foregoing description
It with the specific work process of structure, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
More than, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, and it is any to be familiar with
Those skilled in the art within the technical scope of the present application, can easily think of the change or the replacement, and should all cover
Within the protection scope of the application.Therefore, the protection scope of the application should be subject to the protection scope in claims.
Claims (12)
1. a kind of backlight module, which is characterized in that including directly descending backlight, electro-magnetic screen layer and backlight shell, the backlight shell
The one side of body is open, and the directly lower backlight includes the LED layers overlapped and light guide plate；
The electro-magnetic screen layer covers the LED layers towards the surface of the light guide plate, and surface is covered with the electromagnetism
The LED layers of shielded layer cover the opening of the backlight shell, the electro-magnetic screen layer and the equal position of the light guide plate
In outside the cavity of the backlight shell, the electro-magnetic screen layer is connect with the backlight shell by conducting medium；Alternatively,
The electro-magnetic screen layer covers the light guide plate towards the surface of the LED layers, and surface is covered with the electromagnetism
The light guide plate of shielded layer covers the opening of the backlight shell, the LED layers and the equal position of the electro-magnetic screen layer
In in the opening of the backlight shell, the electro-magnetic screen layer is connect with the backlight shell by conducting medium.
2. a kind of backlight module, which is characterized in that including directly descending backlight, electro-magnetic screen layer and backlight shell, the backlight shell
The one side of body is open, and the straight lower backlight includes the light guide plate and diffusion barrier that stacking is placed；
The electro-magnetic screen layer covers the light guide plate towards the surface of the diffusion barrier, and surface is covered with the electro-magnetic screen layer
The light guide plate cover the opening of the backlight shell, the electro-magnetic screen layer and the diffusion barrier are respectively positioned on the backlight shell
Outside the cavity of body, the electro-magnetic screen layer is connect with the backlight shell by conducting medium；Alternatively,
The electro-magnetic screen layer covers the diffusion barrier towards the surface of the light guide plate, and surface is covered with the electro-magnetic screen layer
The diffusion barrier cover the opening of the backlight shell, the light guide plate and the electro-magnetic screen layer are respectively positioned on the backlight shell
In the cavity of body, the electro-magnetic screen layer is connect with the backlight shell by conducting medium.
3. a kind of backlight module, which is characterized in that including directly descending backlight, electro-magnetic screen layer and backlight shell, the backlight shell
The one side of body is open, and the straight lower backlight includes the diffusion barrier and prism film that stacking is placed；
The electro-magnetic screen layer covers the diffusion barrier towards the surface of the prism film, and surface is covered with the electro-magnetic screen layer
The diffusion barrier cover the opening of the backlight shell, the electro-magnetic screen layer and the prism film are respectively positioned on the backlight shell
Outside the cavity of body, the electro-magnetic screen layer is connect with the backlight shell by conducting medium；Alternatively,
The electro-magnetic screen layer covers the prism film towards the surface of the diffusion barrier, and surface is covered with the electro-magnetic screen layer
The prism film cover the opening of the backlight shell, the diffusion barrier and the electro-magnetic screen layer are respectively positioned on the backlight shell
In the cavity of body, the electro-magnetic screen layer is connect with the backlight shell by conducting medium.
4. a kind of backlight module, which is characterized in that including directly descending backlight, electro-magnetic screen layer and backlight shell, the backlight shell
The one side of body is open, and the directly lower backlight includes prism film；
The electro-magnetic screen layer covers the outer surface of the prism film, and outer surface is covered with the prism of the electro-magnetic screen layer
Film covers the opening of the backlight shell, and the electro-magnetic screen layer is located at outside the cavity of the backlight shell, and the electromagnetic screen
It covers layer and is connect with the backlight shell by conducting medium.
5. backlight module according to claim 1-4, which is characterized in that the electro-magnetic screen layer and the backlight
Shell is by conducting medium connection: between having between the lateral wall of the electro-magnetic screen layer and the inner sidewall of the backlight shell
Gap, the filling conducting medium in the gap.
6. backlight module according to claim 5, which is characterized in that the conducting medium is in the dotted between described of separation
The distribution of lengths of gap is in the gap, for being connected to the electro-magnetic screen layer and the backlight shell, the width in the gap
Less than 2mm.
7. a kind of touch-control display module, which is characterized in that described including LCD Panel, electro-magnetic screen layer and backlight shell
The one side of backlight shell is open, and the LCD Panel includes the lower polarizing film overlapped and lower glass；
The electro-magnetic screen layer covers the lower polarizing film towards the surface of the lower glass, is covered with the electro-magnetic screen layer
The lower polarizing film covers the opening of the backlight shell, and the electro-magnetic screen layer and the lower glass are respectively positioned on the backlight shell
Outside the cavity of body, and the electro-magnetic screen layer causes to connect with the side wall of the backlight shell by conduction；Alternatively,
The electro-magnetic screen layer covers the lower glass towards the surface of the lower polarizing film, is covered with the electro-magnetic screen layer
The lower glass covers the opening of the backlight shell, and the lower polarizing film and the electro-magnetic screen layer are respectively positioned on the backlight shell
In the cavity of body, and the electro-magnetic screen layer causes to connect with the side wall of the backlight shell by conduction.
8. a kind of touch-control display module, which is characterized in that including directly descending backlight, LCD Panel, electro-magnetic screen layer and back
Bare hull body, the one side opening of the backlight shell, the LCD Panel includes lower polarizing film；
The electro-magnetic screen layer covers the lower polarizing film away from the surface of the straight lower backlight, and the lower polarizing film is located at institute
Outside the opening for stating backlight shell, the directly lower backlight is located in the opening of the backlight shell；
Wherein, the lower polarizing film for being covered with the electro-magnetic screen layer covers the opening of the backlight shell, and the electromagnetism
Shielded layer is connect with the backlight shell by conducting medium.
9. touch-control display module according to claim 7 or 8, which is characterized in that the electro-magnetic screen layer and the backlight
Shell is by conducting medium connection: there is gap between the side wall of the electro-magnetic screen layer and the side wall of the backlight shell,
The conducting medium is filled in the gap.
10. touch-control display module according to claim 9, which is characterized in that the conducting medium is in the dotted edge separated
The distribution of lengths in the gap is in the gap, for being connected to the electro-magnetic screen layer and the backlight shell, the gap
Width be less than 2mm.
11. a kind of touch-control display module, which is characterized in that including backlight module such as claimed in any one of claims 1 to 6, liquid
Crystal display screen and cover-plate glass are provided with the LCD Panel between the backlight module and cover-plate glass.
12. a kind of electronic equipment, which is characterized in that including processor and as the described in any item touch-controls of claim 7 to 10 are aobvious
Show mould group, the processor is for controlling output backlight signal and display signal；The touch-control display module is used for according to processing
The backlight signal and display signal of device output carry out the display of content.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821180369.5U CN208569611U (en) | 2018-07-25 | 2018-07-25 | A kind of backlight module, touch-control display module and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821180369.5U CN208569611U (en) | 2018-07-25 | 2018-07-25 | A kind of backlight module, touch-control display module and electronic equipment |
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| CN113284419A (en) * | 2021-05-24 | 2021-08-20 | 合肥鑫晟光电科技有限公司 | Display panel, display device and vehicle-mounted display device |
| CN113311618A (en) * | 2021-06-15 | 2021-08-27 | 武汉华星光电技术有限公司 | Backlight module, manufacturing method of backlight module and display module |
| WO2021208710A1 (en) * | 2020-04-17 | 2021-10-21 | 荣耀终端有限公司 | Electronic device |
| RU2799635C1 (en) * | 2020-04-17 | 2023-07-07 | Хонор Девайс Ко., Лтд. | Electronic device |
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2018
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| WO2021208710A1 (en) * | 2020-04-17 | 2021-10-21 | 荣耀终端有限公司 | Electronic device |
| CN113540788A (en) * | 2020-04-17 | 2021-10-22 | 荣耀终端有限公司 | Electronic equipment |
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| RU2799635C1 (en) * | 2020-04-17 | 2023-07-07 | Хонор Девайс Ко., Лтд. | Electronic device |
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| CN113311618A (en) * | 2021-06-15 | 2021-08-27 | 武汉华星光电技术有限公司 | Backlight module, manufacturing method of backlight module and display module |
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Effective date of registration: 20211230 Address after: 450046 Floor 9, building 1, Zhengshang Boya Plaza, Longzihu wisdom Island, Zhengdong New Area, Zhengzhou City, Henan Province Patentee after: Super fusion Digital Technology Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |