CN108169942A - Circuit board assemblies, display screen and electronic equipment - Google Patents
Circuit board assemblies, display screen and electronic equipment Download PDFInfo
- Publication number
- CN108169942A CN108169942A CN201810054791.4A CN201810054791A CN108169942A CN 108169942 A CN108169942 A CN 108169942A CN 201810054791 A CN201810054791 A CN 201810054791A CN 108169942 A CN108169942 A CN 108169942A
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- China
- Prior art keywords
- circuit board
- display screen
- waterproof gasket
- gasket cement
- splash guard
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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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133311—Environmental protection, e.g. against dust or humidity
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Casings For Electric Apparatus (AREA)
- Telephone Set Structure (AREA)
Abstract
This application discloses a kind of circuit board assemblies, display screen and electronic equipments.The circuit board assemblies include the multiple components of circuit board and setting on circuit boards, and waterproof gasket cement is equipped with around multiple components, and waterproof gasket cement has opening, and the opening of waterproof gasket cement is equipped with splash guard.Waterproof gasket cement is arranged on the surrounding of multiple components, splash guard is set on waterproof gasket cement, it may insure not penetrating into liquid in multiple component vertical direction, there is waterproof gasket cement in horizontal direction, waterproof gasket cement combination splash guard can ensure the waterproof effect of component, and limitation whole height is can be very good, it is not easy to influence the lightening requirement of electronic equipment.
Description
Technical field
This application involves technical field of electronic equipment, and in particular to a kind of circuit board assemblies, display screen and electronic equipment.
Background technology
In recent years, electronic equipment such as smart mobile phone develops toward frivolous direction, because of the difference of consumer's use environment, display
Screen feed liquor failure ratio is constantly promoted, and the standard of waterproofing grade is also being continuously improved in each smart mobile phone manufacturer.It is but existing
Display screen device waterproof project is all undesirable.
Apply for content
The embodiment of the present application provides circuit board assemblies, display screen and electronic equipment, can improve the waterproof effect of electronic equipment
Fruit.
In a first aspect, the embodiment of the present application provides a kind of circuit board assemblies, including circuit board and it is arranged on the circuit
Multiple components on plate are equipped with waterproof gasket cement around the multiple component, and the waterproof gasket cement has opening, described
The opening of waterproof gasket cement is equipped with splash guard.
Second aspect, the embodiment of the present application provide a kind of display screen, including display module and circuit board assemblies, the electricity
Road plate component is electrically connected with the display module, and the circuit board assemblies are circuit board assemblies as described above.
The third aspect, the embodiment of the present application provide a kind of electronic equipment, and the electronic equipment includes housing and is arranged on
Display screen in the housing, the display screen are display screen as described above.
Circuit board assemblies provided by the embodiments of the present application include the multiple components of circuit board and setting on circuit boards,
Waterproof gasket cement is equipped with around multiple components, waterproof gasket cement has opening, and the opening of waterproof gasket cement is equipped with splash guard.
Waterproof gasket cement is arranged on the surrounding of multiple components, and splash guard is set on waterproof gasket cement, it can be ensured that multiple components
Liquid is not penetrated into vertical direction, there is waterproof gasket cement in horizontal direction, waterproof gasket cement combination splash guard can ensure member
The waterproof effect of device, and limitation whole height is can be very good, it is not easy to influence the lightening requirement of electronic equipment.
Description of the drawings
In order to illustrate more clearly of the technical solution in the embodiment of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present application, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structure diagram of electronic equipment provided by the embodiments of the present application.
Fig. 2 is another structure diagram of electronic equipment provided by the embodiments of the present application.
Fig. 3 is another structure diagram of electronic equipment provided by the embodiments of the present application.
Fig. 4 is another structure diagram of electronic equipment provided by the embodiments of the present application.
Fig. 5 is another structure diagram of electronic equipment provided by the embodiments of the present application.
Fig. 6 is the structure diagram of display screen component provided by the embodiments of the present application.
Fig. 7 is the partial resolution structure diagram of display screen component provided by the embodiments of the present application.
Fig. 8 is fragmentary cross-sectional views of the Fig. 6 in A-A directions.
Fig. 9 is the structure diagram of circuit board assemblies provided by the embodiments of the present application.
Figure 10 is a kind of sectional view of circuit board assemblies provided by the embodiments of the present application.
Figure 11 is another sectional view of circuit board assemblies provided by the embodiments of the present application.
Figure 12 is the structure diagram of splash guard provided by the embodiments of the present application.
Figure 13 is another structure diagram of splash guard provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, the technical solution in the embodiment of the present application is carried out clear, complete
Site preparation describes.Obviously, described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, the every other implementation that those skilled in the art are obtained without creative efforts
Example, shall fall in the protection scope of this application.
In the description of the present application, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time
The orientation or position relationship of the instructions such as needle ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of
It describes the application and simplifies description rather than instruction or imply that signified device or element must have specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore it is not intended that limitation to the application.In addition, term " first ", " second " are only used for
Purpose is described, and it is not intended that instruction or hint relative importance or the implicit quantity for indicating indicated technical characteristic.
" first " is defined as a result, and the feature of " second " can be expressed or implicitly includes one or more feature.
In the description of the present application, " multiple " are meant that two or more, unless otherwise specifically defined.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or electrical connection or can mutually communicate；It can be directly connected, it can also be by between intermediary
It connects connected, can be the interaction relationship of connection inside two elements or two elements.For the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
In this application unless specifically defined or limited otherwise, fisrt feature second feature it " on " or it " under "
It can be in direct contact including the first and second features, it is not to be in direct contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " including first spy
Sign is right over second feature and oblique upper or is merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " immediately below second feature and obliquely downward or be merely representative of including fisrt feature
Fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the application.In order to
Simplify disclosure herein, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And purpose does not lie in limitation the application.In addition, the application can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, this application provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
The embodiment of the present application provides a kind of circuit board assemblies, display screen and electronic equipment.It will respectively carry out specifically below
It is bright.The display screen component can be arranged in the electronic equipment, which can be that smart mobile phone, tablet computer etc. are set
It is standby.
Please refer to Fig.1 and Fig. 2, Fig. 1 be electronic equipment provided by the embodiments of the present application structure diagram, Fig. 2 be this Shen
Please embodiment provide electronic equipment another structure diagram.The electronic equipment 100 can include cover board 110, display screen
120th, circuit board 130, battery 140, housing 150, camera 160 and unlocked by fingerprint module 170.It should be noted that Fig. 1 and
Electronic equipment 1 shown in Fig. 2 is not limited to more than content, can also include other devices or not include camera 160 or
Do not include unlocked by fingerprint module 170.
Wherein, cover board 110 is installed on display screen 120, to cover display screen 120.Cover board 10 can be transparent glass cover
Plate, so that display screen euphotic cover plate 110 is shown.In some embodiments, cover board 110 can be with materials such as sapphires
Glass cover-plate made of material.
Wherein, which can include center 151 and rear cover 152, and center 151 and rear cover 152 are combined with each other to be formed and be somebody's turn to do
Housing 150, the center 151 and rear cover 152 can form storage space, to store printed circuit board 130, display screen 120, battery
140 grade devices.Further, cover board 110 can be fixed on housing 150, and the cover board 150 and housing 150 form confined space,
To accommodate the devices such as printed circuit board 130, display screen 120, battery 140.In some embodiments, the lid of cover board 110 is set to center
On 151, the lid of rear cover 152 is set on center 151, and cover board 110 and rear cover 152 are located at the opposite face of center 151, and cover board 110 is with after
Lid 152 is oppositely arranged.
In some embodiments, housing 150 can be metal shell, such as metals such as magnesium alloy, stainless steel.It needs to illustrate
, the material of the embodiment of the present application housing 150 is not limited to this, and can also use other manner, such as：Housing 150 can be with
For plastic casing.Also such as：Housing 150 is ceramic shell.For another example：Housing 150 can include plastic portions and metal part,
Housing 150 can be the shell structure that metal and plastic cement cooperate, specifically, can first forming metal part, for example use
The mode of injection forms magnesium alloy substrate, and injection moulding plastic, formation plastic substrate then form complete shell again on magnesium alloy substrate
Body structure.
It should be noted that the structure of the embodiment of the present application housing is not limited to this, such as：Rear cover and center are integrally formed
Form 150 structure of housing completed, the housing directly with a storage space, for printed circuit board 130, display screen 120,
140 grade devices of battery.
Wherein, which is mounted in housing 150, which can be electronic equipment 100
Mainboard, can be integrated on printed circuit board 130 motor, microphone, loud speaker, earphone interface, Universal Serial Bus Interface,
One, two or more in the functional units such as camera 160, range sensor, ambient light sensor, receiver and processor
It is a.
In some embodiments, which can be fixed in housing 150.Specifically, the printed circuit board
130 can be screwed on center 151 by screw, card can also be fitted on center 151 by the way of buckle.Need what is illustrated
It is that the embodiment of the present application printed circuit board 130 is specifically not limited to this fixed to the mode on center 151, can be with other sides
Formula, for example pass through buckle and screw fixed mode jointly.
Wherein, the battery 140 be mounted on housing 150 in, battery 140 is electrically connected with the printed circuit board 130, with to
Electronic equipment 100 provides power supply.Housing 150 can be as the battery cover of battery 140.Housing 150 covers battery 140 to protect electricity
Pond 140, particularly rear cover covering battery 140 to be to protect battery 140, reduce battery 140 due to electronic equipment 100 collision,
The damage fallen etc. and be subject to.
Wherein, which is mounted in housing 150, meanwhile, which is electrically connected to printed circuit board 130
On, to form the display surface of electronic equipment 100.The display screen 120 can include display area and non-display area.The viewing area
Domain can be used for showing the picture of electronic equipment 100 or carry out touching manipulation etc. for user.The top region of the non-display area
Domain opens up the trepanning for sound and light conduction, and the work(such as fingerprint module, touch controlled key can be set on the non-display area bottom
It can component.Wherein the cover board 110 is installed on display screen 120, to cover display screen 120, can be formed identical with display screen 120
Display area and non-display area, different display areas and non-display area can also be formed.
It should be noted that the structure of the display screen 120 is not limited to this.For example, the display screen 120 can be abnormity
Screen, specifically, referring to Fig. 3, Fig. 3 is another structure diagram of electronic equipment provided by the embodiments of the present application.Electricity in Fig. 3
Electronic equipment in sub- equipment and Fig. 1 difference lies in：The electronic equipment 200 includes display screen 220, cover board 210, printed circuit
Plate 230, battery 240 and housing 250.Wherein display screen 220 is formed with light-permeable region 280 directly over.Specifically, than
Such as：Display screen 220 is provided with the through-hole for running through display screen 220 in a thickness direction, which can be logical including this
Hole, lead to the hole site can set the devices such as front camera, receiver, sensor module.For another example：Display screen 220 is provided with non-
Display area, the light-permeable region 280 can include the non-display area.Wherein, which is suitble to the knot of display screen 220
Structure is set.It should be noted that housing 250 can be referred to upper shell 150, printed circuit board 230 can refer to above printing
Circuit board 130, battery 240 can refer to more than battery 140, and details are not described herein.
Referring to Fig. 4, Fig. 4 is the structure diagram of another electronic equipment provided by the embodiments of the present application, the electronics in Fig. 4
Electronic equipment in equipment and Fig. 1 difference lies in：Electronic equipment 400 in Fig. 4 includes display screen 420, cover board 410, printing
Circuit board 430, battery 440 and housing 450.Wherein, display screen 420 sets jagged 490 in its periphery, which can be with
Place the devices such as front camera, receiver, sensor module.Wherein, cover board 410 is suitble to the structure setting of display screen 420.It needs
Illustrate, housing 450 can be referred to upper shell 150, and printed circuit board 430 can refer to more than printed circuit board 130, electricity
Pond 440 can refer to more than battery 140, and details are not described herein.
It should also be noted that, in some embodiments, display screen 120 can not also include non-display area, and set
Face structure is helped, the devices such as range sensor, ambient light sensor can be set to below display screen or at other positions.
Specifically, referring to Fig. 5, Fig. 5 is another structure diagram of electronic equipment provided by the embodiments of the present application.The electronic equipment
300 include display screen 320,310 printed circuit board 330 of cover board, battery 340 and housing 350.Wherein, display screen 320 is covered in shell
On body 350, without non-display area.Wherein, cover board 310 is suitble to the size of display screen 320 to set.It should be noted that
Housing 350 can be referred to upper shell 150, and printed circuit board 330 can refer to more than printed circuit board 130, and battery 340 can be with
More than battery 140 is referred to, details are not described herein.
In some embodiments, display screen 120 can be liquid crystal display (Liquid Crystal Display, LCD)
Or the display screen of the types such as organic light-emitting diode (OLED) display screen (Organic Light-Emitting Diode, OLED).
In some embodiments, when display screen 120 is liquid crystal display, electronic equipment 100 can also include backlight mould
Group is not shown in figure backlight module, which can refer to backlight module of the prior art.
In some embodiments, it is aobvious can to form one for the cover board 110 in electronic equipment 100, display screen 120 and backlight module
Display screen component.In other words the electronics 100 include display screen component, display screen component can include cover board 110, display screen 120 and
Backlight module.It is described in detail by taking display screen component as an example below.
Fig. 6 and Fig. 7 are please referred to, Fig. 6 is the structure diagram of display screen component provided by the embodiments of the present application, and Fig. 7 is this
Apply for the partial resolution structure diagram for the display screen component that embodiment provides.The display screen component 1 can include cover board 110,
Display screen 120, backlight module 13 and marine glue 12.Wherein, cover board 110, display screen 120, backlight module 13 are arranged successively.
Referring to Fig. 8, Fig. 8 is fragmentary cross-sectional views of the Fig. 6 in A-A directions.Wherein, cover board 110 is arranged on display screen 120
On, specifically, the cover board 110 can refer to more than content.In some embodiments, which is fixed with display screen 120
The inner surface for being defined as cover board on one side of connection, the outside that cover board 110 is located to electronic equipment 100 are defined as cover board on one side
Outer surface.I.e. the outer surface of cover board 110 can be watched from outside, and the inner surface of cover board 110 is located at the interior of electronic equipment 100
Portion.
The component waterproof project of the circuit board assemblies of display screen 120 can include plating nanometer film, dispensing, patch insulation
The schemes such as mylar.Nanometer film scheme is wherein plated, i.e. plating coating (corruption liquid) is only macroscopically increased since thickness of coating is too thin
The hydrophobicity of device surface, cannot discharge or be evaporated after 120 feed liquor of display screen in time, understand corrosion device for a long time, it is impossible to from
Fundamentally solve the problems, such as feed liquor.The device border dispensing side waterproof effect of dispensing scheme is preferable, but is limited by complete machine space
Device surface processed is unable to dispensing or dispensing is too many, and liquid can be penetrated into from component upper surface and be corroded after feed liquor.Patch insulation
Mylar schemes are since device and FPC soft boards are there are difference in height, and FPC is uneven in itself or between bilayer FPC, and the mylar that causes to insulate is pasted
Attached out-of-flatness, liquid enters corrosion device from gap after feed liquor.
Please refer to Fig. 9 and Figure 10, structure diagrams of the Fig. 9 for circuit board assemblies provided by the embodiments of the present application, Tu10Wei
The fragmentary cross-sectional view of circuit board assemblies provided by the embodiments of the present application.The circuit board assemblies 810, including circuit board 811；The circuit
Plate 811 is equipped with multiple components 812；Waterproof gasket cement 813 is equipped with around multiple component 812, to will be the multiple
Component 812 surrounds, and waterproof gasket cement 813 has opening；The opening of the waterproof gasket cement 813 is equipped with splash guard 814.
To ensure the water resistance of multiple components 812 on circuit board assemblies 810, need to utilize waterproof gasket cement 813
Multiple components 812 are surrounded completely.During multiple 812 surrounding of component setting waterproof gasket cements 813, waterproof gasket cement 813 holds
It easily penetrates between two components, is difficult to control so as to the glue amount on component top, glue amount is very little, it is impossible to be surrounded completely, glue amount
Too much, entire module height will increase, and influence whether the intensity of complete machine.Therefore, waterproof gasket cement 813 covers multiple components
After 812, splash guard 814 is set on waterproof gasket cement 813, it can be ensured that is not penetrated into multiple 812 vertical direction of component
Liquid, there is waterproof gasket cement 813 in horizontal direction, and waterproof gasket cement 813 can ensure the waterproof of component with reference to splash guard 814
Effect, and limitation whole height is can be very good, it is not easy to influence the lightening requirement of electronic equipment.
In some embodiments, wherein splash guard 814 is parallel with circuit board 811.Splash guard 814 arrives circuit board 811
Apart from equal, splash guard 814 will not on one side low on one side high, you can suitable to accomplish that height is minimum in the Z-direction of perpendicular circuit board 811
The lightening of electronic equipment is answered, will not additionally increase the thickness of electronic equipment.
In some embodiments, waterproof gasket cement 813 is filled in multiple 812 surroundings of component, and in circuit board 811
It is formed in plane with closing structure.First waterproof gasket cement 813 is filled in one week of multiple components 812, then by splash guard
814 are arranged on waterproof gasket cement 813, because the height of multiple components 812 is different, therefore the height of waterproof gasket cement 813
Degree need to be more than or equal to highest component height, after splash guard 814 is arranged on waterproof gasket cement 813 at this time, by anti-watertight
Sealing 813 squeezes, and makes the height approximation of splash guard 814 and the height of highest component.It is simultaneously that waterproof gasket cement 813 is past other
Side squeezes, and 813 thickness of waterproof gasket cement for making component periphery is thickening.Waterproof gasket cement 813 is filled in multiple components 812
Surrounding can make the waterproof gasket cement being arranged on around component 813 be not easy to flow, and avoid the waterproof sealing around component
813 thickness low LCL of glue, influences water resistance.By the extruding of splash guard 814, enhancing splash guard 814 and waterproof gasket cement 813
Leakproofness, and then improve whole water resistance.
In some embodiments, as shown in figure 11, waterproof gasket cement 813 be filled in splash guard 814 and circuit board 811 it
Between.First waterproof gasket cement 813 is filled in around each component so that the waterproof gasket cement 813 of each component surrounding
A closing structure is formed in the plane of circuit board 811.The height of waterproof gasket cement 813 is higher than the height of highest component,
There is a circle waterproof gasket cement 813 around i.e. each component, then splash guard 814 be arranged on waterproof gasket cement 813,
After splash guard 814 is arranged on waterproof gasket cement 813 at this time, waterproof gasket cement 813 is squeezed, fills out waterproof gasket cement 813
It fills between splash guard 814 and circuit board 811, the highest waterproof gasket cement 813 of height will be squeezed originally toward side, and make splash guard
Full waterproof gasket cement 813 is filled between 814 and circuit board 811 and is overflowed outward.Waterproof gasket cement 813 is filled in splash guard 814
Between circuit board 811, splash guard 814 and circuit board 811 protect component from vertical direction, and waterproof gasket cement 813 is from water
Square upwards protection component, and the waterproof gasket cement 813 filled between component, even if there is water from horizontal direction,
It cannot be introduced between component.
In some embodiments, multiple components 812 form a component setting area, and the area of splash guard 814 is big
Area in component setting area.Multiple components 812 are arranged on circuit board 811, and multiple components 812 form one
The component of component setting area or outermost surrounds a component setting area.Waterproof gasket cement 813 is set
Around component, the area of splash guard 814 is more than the area of component setting area, then can prevent liquid from component
Side's contact component and then corrosion component.Simultaneously as the area of splash guard 814 is more than the area of component setting area, prevent
Watertight sealing 813 is filled between splash guard 814 and circuit board 811, can also thicken the thickness of waterproof gasket cement 813, is improved
The water resistance of horizontal direction.
2 and Figure 13 are please referred to Fig.1, Figure 12 is the structure diagram of splash guard provided by the embodiments of the present application, and Figure 13 is this
Apply for another structure diagram for the splash guard that embodiment provides.The splash guard 814 is equipped with diversion trench 815.Work as electronic equipment
After entering liquid accidentally, liquid is flowed on splash guard 814, can utilize diversion trench 815 by liquid guide flow to preset place, so
After discharge it or other processing.Diversion trench 815 can set one, two or more pieces.The diversion trench 815 can be from splash guard
814 side extends to opposite side.One end of plurality of guiding gutter 815 is arranged on multiple positions, the other end be arranged on one it is identical
Or similar position, to realize the liquid on splash guard 814 toward the effect of a direction water conservancy diversion.The diversion trench of splash guard 814
815 can set the high other end in one end low.Specifically, can be shallow with 815 one end depth other end of diversion trench, it can also splash guard 814
The position of corresponding flow-guiding mouth is less than other positions.
In some embodiments, upward barricade is set around multiple components 812 on circuit board 811, when anti-
When the surrounding of multiple components 812 is filled in watertight sealing 813, waterproof gasket cement 813 can be trapped among in barricade by barricade, be saved anti-
The loss of watertight sealing 813, barricade are made in itself of waterproof material, and have barricade, and the edge of waterproof gasket cement 813 is thick
Degree increases, and can enhance the waterproof effect in horizontal direction.
In some embodiments, splash guard 814 is small using the smaller plank of thickness or sheet material, the thickness of splash guard 814
In or equal to 2 millimeters.The thickness of certain splash guard 814 is also less than or equal to 1.5 millimeters, 1.2 millimeters, 1 millimeter, 0.8 milli
Rice, 0.6 millimeter, 0.5 millimeter etc..
In some embodiments, fluid sealant is ultraviolet cured adhesive (UV glue, Ultraviolet).Non-volatility is organic
Compound (VOC) volatile matter, it is pollution-free to surrounding air；It is solvent-free, it is flammable low；Curing rate is fast, and several seconds to tens seconds i.e.
It can complete to cure, be conducive to automatic production line, raise labour productivity；It can be detected and carry after curing, save
Space；The energy is saved in room temperature curing, such as the required energy of production 1g photocuring pressure sensitive adhesives only needs corresponding aqueous adhesive
1%, the 4% of solvent-based adhesive.Available for the material of unsuitable hot setting, ultraviolet light cures consumed energy and heat cure
Resin, which is compared, can save energy consumption 90%；Curing apparatus is simple, it is only necessary to which lamps and lanterns or conveyer belt save space；One-component system, without
Mixing, it is easy to use；For temperature, the material of solvent and moisture-sensitive can use；Control curing, stand-by period can adjust
Whole, curing degree can adjust；It can repeat to be glued repeatedly curing；Ultraviolet lamp can be easily mounted at existing production line,
It is not required to larger change.
In some embodiments, splash guard 814 is polyethylene terephthalate plate (PET sheet, Polyethylene
terephthalate).PET sheet has good mechanical property, and impact strength is 3~5 times of other films, and folding resistance is good.It is resistance to
Oily, resistance to fat, resistance to olefin(e) acid, diluted alkaline, resistance to most of solvents.It, can be in 120 DEG C of temperature ranges with excellent high- and low-temperature resistance performance
Interior long-time service, short-period used are resistant to 150 DEG C of high temperature, are resistant to -70 DEG C of low temperature, and its mechanical performance is influenced very during high and low temperature
It is small.Gas and vapor permeability are low, existing excellent resistance gas and water, oil and peculiar smell performance.Transparency is high, can stop ultraviolet light,
Glossiness is good.Nontoxic, tasteless, wholesomeness is good.
The embodiment of the present application provides a kind of circuit board assemblies, display screen and electronic equipment.The circuit board assemblies include electricity
Road plate and setting multiple components on circuit boards are equipped with waterproof gasket cement, waterproof gasket cement tool around multiple components
There is opening, the opening of waterproof gasket cement is equipped with splash guard.Waterproof gasket cement is arranged on the surrounding of multiple components, in anti-watertight
Splash guard is set in sealing, it can be ensured that liquid is not penetrated into multiple component vertical direction, there is anti-watertight in horizontal direction
Sealing, waterproof gasket cement combination splash guard can ensure the waterproof effect of component, and can be very good limitation whole height,
It is not easy to influence the lightening requirement of electronic equipment
Circuit board assemblies provided by the embodiments of the present application, display screen and electronic equipment are described in detail above, this
Specific case is applied in text, and the principle and implementation of this application are described, the explanation of above example is only intended to
Help understands the application.Meanwhile it for those skilled in the art, according to the thought of the application, in specific embodiment and answers
With there will be changes in range, in conclusion the content of the present specification should not be construed as the limitation to the application.
Claims (10)
1. a kind of circuit board assemblies, which is characterized in that including circuit board and the multiple components being arranged on the circuit board,
Waterproof gasket cement is equipped with around the multiple component, the waterproof gasket cement has opening, the opening of the waterproof gasket cement
Place is equipped with splash guard.
2. circuit board assemblies according to claim 1, which is characterized in that the splash guard is parallel with the circuit board.
3. circuit board assemblies according to claim 1, which is characterized in that the waterproof gasket cement is in the flat of the circuit board
It is a closing structure on face.
4. circuit board assemblies according to claim 1, which is characterized in that the waterproof gasket cement is filled in the splash guard
Between the circuit board.
5. circuit board assemblies according to claim 3 or 4, which is characterized in that the multiple component forms a component
Setting area, the area of the splash guard are more than the area of the component setting area.
6. circuit board assemblies according to claim 1, which is characterized in that the splash guard is equipped with diversion trench.
7. circuit board assemblies according to claim 1, which is characterized in that the waterproof plate thickness is less than or equal to 2 millimeters.
8. circuit board assemblies according to claim 1, which is characterized in that the fluid sealant for ultraviolet cured adhesive and/or
The splash guard is polyethylene terephthalate plate.
9. a kind of display screen, which is characterized in that including display module and circuit board assemblies, the circuit board assemblies and the display
Module is electrically connected, and the circuit board assemblies are such as claim 1 to 8 any one of them circuit board assemblies.
10. a kind of electronic equipment, which is characterized in that including housing and display screen disposed in the housing, the display screen
For display screen as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810054791.4A CN108169942B (en) | 2018-01-19 | 2018-01-19 | Circuit board assembly, display screen and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810054791.4A CN108169942B (en) | 2018-01-19 | 2018-01-19 | Circuit board assembly, display screen and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
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| CN108169942A true CN108169942A (en) | 2018-06-15 |
| CN108169942B CN108169942B (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810054791.4A Active CN108169942B (en) | 2018-01-19 | 2018-01-19 | Circuit board assembly, display screen and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114120807A (en) * | 2021-11-01 | 2022-03-01 | 深圳市高展光电有限公司 | Display screen assembly |
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| CN2502327Y (en) * | 2001-09-28 | 2002-07-24 | 纬创资通股份有限公司 | Data processing device with liquid flow-guiding structure |
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|---|---|
| CN108169942B (en) | 2021-01-26 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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