CN108254972A - The installation method of backlight module, electronic device and backlight module - Google Patents
The installation method of backlight module, electronic device and backlight module Download PDFInfo
- Publication number
- CN108254972A CN108254972A CN201810105975.9A CN201810105975A CN108254972A CN 108254972 A CN108254972 A CN 108254972A CN 201810105975 A CN201810105975 A CN 201810105975A CN 108254972 A CN108254972 A CN 108254972A
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- Prior art keywords
- backlight module
- back frame
- flexible pcb
- light source
- plate
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Classifications
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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
- 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
- G02F1/133314—Back frames
-
- 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
- G02F1/133325—Assembling processes
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
This application discloses the installation methods of a kind of backlight module, electronic device and backlight module.Backlight module includes：Upper back frame and lower back frame, upper back frame and lower back frame are detachably connected, and form an accommodating space between upper back frame and lower back frame；The light source and flexible PCB that are arranged in accommodating space and the light guide plate being arranged in lower back frame and even smooth film layer, wherein：Flexible PCB and even smooth film layer are separately positioned on the opposite both sides of light source, and flexible PCB is set between light source and lower back frame, and flexible PCB is electrically connected with light source；Light guide plate includes incidence surface and light-emitting surface, and light source is arranged on incidence surface side, and even smooth film layer is arranged on light-emitting surface.Therefore, so that in the other elements for assembling backlight module, first upper back frame and lower back frame can be dismantled, the other elements of backlight module are assembled in lower back frame, then upper back frame and lower back frame are assembled up again, it is possible thereby to which back frame is avoided to interfere the situation of installation, the installation of backlight module is facilitated.
Description
Technical field
This application involves the field of backlights of electronic device, more particularly to a kind of backlight module, electronic device and backlight mould
The installation method of group.
Background technology
At present, with the development of science and technology, the electronic devices such as smart mobile phone are increasingly into necessity for people's lives.
Backlight module is the important component of electronic device, and the backlight module of the portable electronic devices such as smart mobile phone leads at present
Chang Youyi back frame or for iron frame, forms an accommodating space, other optical elements of backlight module then is assembled to this
In accommodating space.And the back frame of the prior art is usually a fixed integral structure, and the light source of backlight module, diffusion barrier,
The shape size of the optical elements such as light guide plate is variant, and needs installation in multiple different locations, this results in installing
It is very inconvenient to come.
Invention content
On the one hand, the embodiment of the present application provides a kind of backlight module, and the backlight module includes：
Upper back frame and lower back frame, the upper back frame and the lower back frame are detachably connected, and the back frame and described on described
An accommodating space is formed between lower back frame；
The light source and flexible PCB that are arranged in the accommodating space and the light guide plate being arranged in the lower back frame
With even smooth film layer, wherein：
The flexible PCB and the even smooth film layer are separately positioned on the opposite both sides of the light source, and the flexibility
Circuit board is set between light source and the lower back frame, and the flexible PCB is electrically connected with the light source；
The light guide plate includes incidence surface and light-emitting surface, and the light source is arranged on the incidence surface side, the even smooth film
Layer is arranged on the light-emitting surface.
On the other hand, the embodiment of the present application additionally provides a kind of electronic device, and electronic device includes display panel and the back of the body
Optical mode group, backlight module provide backlight to display panel, and backlight module includes previously described backlight module.
Another aspect, the embodiment of the present application additionally provide a kind of installation method of backlight module, wherein, backlight module includes
Previously described backlight module, installation method include：
It is arranged on the bottom plate from the direction of the top plate by reflector plate and flexible PCB, and by the flexible electrical
Road plate and the reflector plate are arranged at intervals；
The light source is assembled on the flexible PCB, and is successively assembled the light guide plate and even smooth film layer
Onto the reflector plate；
The bolster is turned to be fitted on the light source；
The upper back frame and lower back frame are detachably assembled.
Back frame by being set as the structure of the upper back frame being detachably connected and lower back frame by the embodiment of the present application so that in group
When filling the other elements of backlight module, first upper back frame and lower back frame can be dismantled, the other elements of backlight module are assembled to down
In back frame, then upper back frame and lower back frame are assembled up again, it is possible thereby to which back frame is avoided to interfere the situation of installation, facilitated
The installation of backlight module.
Description of the drawings
Fig. 1 is a kind of structure diagram for backlight module that the application first embodiment provides；
Fig. 2 is a kind of structure diagram for backlight module that the application first embodiment provides；
Fig. 3 is the structure diagram of flexible PCB and back frame component；
Fig. 4 is the structure diagram of the second double faced adhesive tape 134；
Fig. 5 is the structure diagram of the backlight module for the 3rd embodiment that the application provides；
Fig. 6 is the structure diagram of the backlight module for the fourth embodiment that the application provides；
Fig. 7 is the structure diagram of the backlight module for the 5th embodiment that the application provides；
Fig. 8 is a kind of flow chart of the installation method of backlight module provided by the embodiments of the present application；
Fig. 9 is the process flow diagram of corresponding installation method shown in Fig. 8；
Figure 10 is a kind of structure diagram of electronic device provided by the embodiments of the present application；
Figure 11 is the decomposition texture schematic diagram of another electronic device 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.It is understood that specific embodiment described herein is only used for explaining the application rather than the limit to the application
It is fixed.It also should be noted that it illustrates only for ease of description, in attached drawing and the relevant part of the application and not all knot
Structure.Based on the embodiment in the application, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall in the protection scope of this application.
Term " first ", " second " in the application etc. are specific suitable for distinguishing different objects rather than for describing
Sequence.In addition, term " comprising " and " having " and their any deformations, it is intended that cover non-exclusive include.Such as comprising
The step of process of series of steps or unit, method, system, product or equipment are not limited to list or unit, and
It is optionally to further include the step of not listing or unit or optionally further include for these processes, method, product or equipment
Intrinsic other steps or unit.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Referring to Fig. 1, Fig. 1 is the structure diagram of the backlight module of the application first embodiment.In the present embodiment, it carries on the back
Optical mode group 10 includes back frame component 11, light source 12, flexible PCB 13 (FPC, Flexible Printed Circuit), leaded light
Plate 14, even smooth film layer 15 and reflector plate 16.
Back frame component 11 includes back frame 110 and lower back frame 111.Upper back frame 110 and lower back frame 111 detachably connect
Connect, form the other elements of setting backlight module 10, such as light source 12 and flexible PCB 13, accommodating space.
Specifically, lower back frame 111 includes bottom plate 1110 and the lower wall 1111 with the bending connection of bottom plate 1110.Lower wall
The 111 direction bending for upward back frame 110.Upper back frame 110 includes top plate 1101 and the upper side wall with the bending connection of top plate 1101
1102.Bottom plate 1110 and top plate 1101 are mutually parallel.Top plate top plate 1101 can be to avoid the power of the display panel on backlight module
Be transmitted on light source 12, avoid thus bringing the quick-fried lamp of backlight, shadow and it is uneven the problems such as.
Upper side wall 1102 is bent for the direction of downward back frame 111.Upper side wall 1102 and lower wall 1111 are removably
Connection.
Specifically, upper side wall 1102 and lower wall 1111 are formed in a manner of engaging and are detachably connected.On upper side wall 1102
Connecting hole 1103 is provided with, clamping block 1112 is provided in lower wall 1111.Upper side wall 1102 and lower wall 1111 pass through engaging
Hole 1103 and the cooperation of clamping block 1112 are connected together to be formed.
It in other embodiments, can be under in order to preferably realize the engaging between lower wall 1111 and upper side wall 1102
Guide part is set on side wall 1102.Referring to Fig. 2, in upper side wall 1102 towards setting guide part on the side of lower wall 1111
1104, guide part 1104 can be parallel with the inclined side of clamping block 1112.Guide part 1104 is used in upper side wall 1102 and lower wall
Clamping block 1112 slide downward of the upper side wall 1102 along lower wall 1111 is guided during 1111 engaging, so as to facilitate clamping block 1112
With the engaging of connecting hole 1103.
Referring again to Fig. 1, in the present embodiment, bottom plate 1110 includes the first supporting part 1113 and the second supporting part 1114.The
One supporting part 1113 is connected with the bending of lower wall 1111, and the second supporting part 1114 and the first supporting part 1113 are far from lower wall 1111
One end connection.The distance H1 of first supporting part 1113 to 1101 place plane of top plate is more than the second supporting part 1114 and arrives top plate
The distance H2 of 1101 place planes.
The material of upper back frame 110 and lower back frame 111 can be identical, can be metal, for example, iron, aluminium etc., or modeling
Glue.
Flexible PCB 13 is set between light source 12 and lower back frame 111, and more specifically, flexible PCB 13 is set to light
Is set between source 12 and the first supporting part 1113 of bottom plate 112, and between 13 and first supporting part 1113 of flexible PCB
One double faced adhesive tape 113, flexible PCB 13 are connect by the first double faced adhesive tape 113 with the first supporting part 1113 of bottom plate 112.
With reference to described previously, the distance H1 of the first supporting part 1113 to 1101 place plane of top plate is more than the second supporting part
The difference of 1114 to the distance H2, wherein H1 and H2 of 1101 place plane of top plate can be equal to the thickness of flexible PCB 13 so that
Flexible PCB 13 can be flushed with the second supporting part 1114 of bottom plate 112.
Also referring to shown in Fig. 3, Fig. 3 is the structure diagram of flexible PCB and back frame component.Wherein, upper back frame
At least one of 110 and lower back frame 111 are equipped with the opening 1105 for connecting accommodating space, in shown in the present embodiment Fig. 3, the upper back of the body
Frame 110 and lower back frame 111 are equipped with the opening 1105 jointly.Flexible PCB 13 extends to upper back frame 110 by opening 1105
With lower side of the back frame 111 far from accommodating space
Referring again to Fig. 1, in the present embodiment, light source 12 is arranged on flexible PCB 13.Flexible PCB 13 and light source
12 electrical connections.
Light source 12 can be multiple spaced LED (Light Emitting Diode, light emitting diode) lamps.
Reflector plate 16 is set on the bottom plate 1110 of lower back frame 111, and inside accommodating space.Reflector plate 16 can will enter
The light penetrated is reflected.Reflector plate 16 is arranged at intervals with flexible PCB 13.
Light guide plate 14 is arranged in lower back frame 111, is specifically provided on reflector plate 16.Light guide plate 14 includes incidence surface
141 and light-emitting surface 142.Light source 12 is arranged on incidence surface side, and even smooth film layer 15 is arranged on light-emitting surface 142.141 He of incidence surface
Light-emitting surface 142 is two orthogonal faces of light guide plate 14, and flexible PCB 13 and reflector plate 16 are arranged on light guide plate 14
Back to the side of light-emitting surface 142.
Flexible PCB 13 further extends from light source 12 to the direction of light guide plate 14, and a step of going forward side by side is in 14 He of light guide plate
Between first supporting part 1113 of bottom plate 1110.That is, flexible PCB 13 and even smooth film layer 15 are separately positioned on leaded light
The opposite both sides of plate 14, similarly, flexible PCB 13 and even smooth film layer 15 are separately positioned on the opposite both sides of light source 12, thus may be used
For carrying the load-carrying unit of flexible PCB 12 during saving flexible PCB 13 and even smooth 15 homonymy of film layer, so as to save into
This and save the space where the load-carrying unit.
Flexible PCB 13 is further connect by double faced adhesive tape 124 with light guide plate 14.Flexible PCB 13 and light guide plate
Second double faced adhesive tape 134 is further set between 14.Flexible PCB 13 further passes through the second double faced adhesive tape 134 and light guide plate
14 connections.
Referring to Fig. 4, Fig. 4 is the structure diagram of the second double faced adhesive tape 134.As shown in figure 4, the second double faced adhesive tape 134
Including adhesive tape main body 1341 and adhesive tape extension 1342.Adhesive tape main body 1341 be arranged on light guide plate 14 and flexible PCB 13 it
Between.Adhesive tape extension 1342 is spaced multiple.Multiple adhesive tape extensions 1342 are from the direction of adhesive tape main body 1341 to light
The direction extension in source 12, and adhesive tape extension 1342 is arranged between the LED light at interval.The setting of adhesive tape extension 1342 can
To increase the bonding area of double faced adhesive tape 134, so as to improve stickup stability.
Referring again to Fig. 1, light film layer 15 includes the diffusion barrier being arranged in a manner of separate successively on light-emitting surface 142
151st, the first anti-reflection film 152 and the second anti-reflection film 153.
Diffusion barrier 151, the first anti-reflection film 152 and the second anti-reflection film 153 can be non-composite film, i.e., be mutually independent film
Layer.In addition, diffusion barrier 151, the first anti-reflection film 152 and the second anti-reflection film 153 can also be composite membrane.Specifically include two kinds of situations：
The first situation, the first anti-reflection film 152 and the second anti-reflection film 153 be composite membrane, i.e. the first anti-reflection film 152 and second
The setting of anti-reflection film 153 is integrated film layer, which is mutually independent film layer with diffusion barrier 151.
The second situation, diffusion barrier 151, the first anti-reflection film 152 and the second anti-reflection film 153 are composite membrane, i.e. diffusion barrier
151st, the first anti-reflection film 152 and the setting of the second anti-reflection film 153 are integrated film layer.
First anti-reflection film 152 can be described as lower anti-reflection film, and the second anti-reflection film 153 can be described as anti-reflection film.
A bolster 18 is additionally provided between light source 12 and top plate 1101, bolster 18 is arranged at intervals with even smooth film layer 15.
Bolster 18 can carry out buffer protection to light source 12, and play the role of supporting the element of 12 top of light source.Bolster 18 can be
Light source 12 can be fixed for the two-sided foam rubber with bonding agent.
Shading rubber belt 17 is further provided on top plate 1101, shading rubber belt 17 is the two-sided shading glue with cementability
Band.One end of shading rubber belt 17 is arranged on the second anti-reflection film after further extending from top plate 1101 to the direction of even smooth film layer 15
On 153.
The other end of shading rubber belt 17 can connect with upper side wall 1103.
In other embodiments, the other end of shading rubber belt 17 can be from the upper end of upper side wall 1103 along 1103 side of upper side wall
Wall extends to the lower end of lower wall 1111 down.Thus upper side wall 1103 and lower wall 1111 are covered by the adhesive tape with cementability
Lid, thus increases bond area.
Wherein, for non-display area, the region except shading rubber belt 17 is viewing area in the region of setting shading rubber belt 17.This reality
It applies in example, due to setting flexible PCB 13 and even smooth 15 stagger setting of film layer, thereby saves support flexible PCB 13
Load-carrying unit, so as to save the space of non-display area, improve screen accounting.
Referring to Fig. 5, Fig. 5 is the structure diagram of the backlight module for the 3rd embodiment that the application provides.Such as Fig. 5 institutes
Show, backlight module 30 still includes back frame component 31, light source 32, flexible PCB 33, light guide plate 34, even smooth film layer 35 and anti-
Penetrate piece 36.
Wherein, structure and the connection of light source 32, flexible PCB 33, light guide plate 34, even smooth film layer 35 and reflector plate 36
The relationship phase with previously described light source 12, flexible PCB 13, light guide plate 14, even smooth film layer 15 and reflector plate 16 respectively
Together, details are not described herein.
In the present embodiment, back frame component 31 still includes upper back frame 310 and lower back frame 311.Upper back frame 310 still includes top
Plate 3101 and upper side wall 3102, lower back frame 311 still include bottom plate 3110 and lower wall 3111.It is different from embodiment above
It is that the back frame component 31 of the present embodiment further includes screw 311.
Upper side wall 3102 and lower wall 3111 are threaded hole 3103 and 3112 in corresponding position respectively.Upper side wall 3102
With lower wall 3111 by screw 311 and threaded hole 3103 and 3112 be spirally connected form connection.
Wherein, the connection relation of upper side wall 3102 and top plate 3101 is as it was noted above, more than 3111 bottom plate 3110 of lower wall
Connection relation is as it was noted above, details are not described herein.
Referring to Fig. 6, Fig. 6 is the structure diagram of the backlight module for the fourth embodiment that the application provides.Such as Fig. 6 institutes
Show, backlight module 40 still includes back frame component 41, light source 42, flexible PCB 43, light guide plate 44, even smooth film layer 45 and anti-
Penetrate piece 46.
Wherein, structure and the connection of back frame component 41, light source 42, flexible PCB 43, light guide plate 44 and reflector plate 46
The relationship phase with previously described back frame component 11, light source 12, flexible PCB 13, light guide plate 14 and reflector plate 16 respectively
Together, details are not described herein.
The difference lies in the present embodiment with previously described backlight module 10 for backlight module 40 in the present embodiment
The diffusion barrier 451 of even smooth film layer 45 includes the diffusion 4511 with the first anti-reflection film 452 and the stacked setting of the second anti-reflection film 453
And the positioning region 4512 that self-diffusion main body 4511 extends to the direction of light source 42, the height of positioning region 4512 are higher than diffusion
4511 height.
Bolster 48 is provided between top plate 4101 and light source 42, between the positioning region 4512 of bolster 48 and diffusion barrier 451
Every setting.Bolster 48 can be the two-sided foam rubber with bonding agent, and light source 42 can be fixed.
Shading rubber belt 47 is set on top plate 4101.One end of shading rubber belt 47 is from top plate 4101 to the direction of even smooth film layer 45
It is arranged on after extension on positioning region 4512.Thus can bond area be increased by the positioning region 4512 of diffusion barrier 451, so as to have
The fixed diffusion barrier 451 of effect.Further, one end of shading rubber belt 47 also further extends into the top of the second anti-reflection film 453, right
Second anti-reflection film 453 is adhesively fixed.
The other end of shading rubber belt 47 can connect with upper side wall 4102.That is one far from even smooth film layer 45 of shading rubber belt 47
End can be connect with upper side wall 4102.And it may extend into the bottom of lower wall.
Referring to Fig. 7, Fig. 7 is the structure diagram of the backlight module for the 5th embodiment that the application provides.Such as Fig. 7 institutes
Show, backlight module 50 still includes back frame component 51, light source 52, flexible PCB 53, light guide plate 54, even smooth film layer 55 and anti-
Penetrate piece 56.
Wherein, structure and the connection of light source 52, flexible PCB 53, light guide plate 54, even smooth film layer 55 and reflector plate 56
The relationship phase with previously described light source 42, flexible PCB 43, light guide plate 44, even smooth film layer 45 and reflector plate 46 respectively
Together, details are not described herein.
Unlike embodiment above, the top plate 5101 of the back frame component of the present embodiment extends to expansion from upper side wall 5102
On the positioning region 5512 for dissipating film 551, positioning region 5512 is abutted with top plate 5101, so as to fixed diffusion barrier 551.
Shading rubber belt 57 is further provided on top plate 5101, shading rubber belt 57 is the two-sided shading glue with cementability
Band.One end of shading rubber belt 57 is further arranged on the top of the second anti-reflection film 553 after the extension of the direction of even smooth film layer 55, right
Second anti-reflection film 553 is adhesively fixed.
Also referring to Fig. 8 and Fig. 9, Fig. 8 is a kind of stream of the installation method of backlight module provided by the embodiments of the present application
Cheng Tu, Fig. 9 are the process flow diagrams of corresponding installation method shown in Fig. 8.It should be understood that backlight module can be previously described
The backlight module of any embodiment.For the convenience of description, the present embodiment with install above backlight module 10 shown in FIG. 1 for example
It illustrates.As shown in figure 8, the installation method of the present embodiment includes the following steps：
Step S1：It is arranged on bottom plate 1110 from the direction of top plate by reflector plate 16 and flexible PCB 13, and will be soft
Property circuit board 13 and reflector plate 16 are arranged at intervals.
In this step, specifically, flexible PCB 13 is arranged on the first supporting part 1113 of bottom plate 1110, and inciting somebody to action
Flexible PCB 13 is arranged on taking a step forward for the first supporting part 1113 and sets the first double faced adhesive tape on the first supporting part 1113
113, for flexible PCB 13 to be fixed on the first supporting part 1113.Reflector plate 16 is arranged on the second supporting part 1114.
Step S2：Light source 12 is assembled on flexible PCB 13, and successively by light guide plate 14 and even smooth film layer 15
It is assembled on reflector plate 16.
Light guide plate 14, the diffusion barrier 151 of even smooth film layer 15, the first anti-reflection film 152 and second are increased successively as shown in Figure 9
Permeable membrane 153 is assembled on bottom plate reflector plate 16.
And the position that can correspond to light guide plate 14 in flexible PCB 13 before light guide plate 14 is assembled sets the second double faced adhesive tape
Band 134, so as to which light guide plate 14 can be fixed by the second double faced adhesive tape 134 with flexible PCB 13.
Step S3：Bolster 18 is assembled on light source 12.And bolster 18 is arranged at intervals with even smooth film layer 15.
Step S4：Upper back frame 110 and lower back frame 111 are detachably assembled.
Shading rubber belt 17 can be further pasted on top plate 1101.
Therefore the present embodiment can first tear upper back frame 110 and lower back frame 111 open in the other elements for assembling backlight module
It unloads so that lower back frame 111 forms one without any opening blocked, and the other elements of backlight module are assembled to lower back frame
On 111, then upper back frame 110 and lower back frame 111 are assembled up again, it is possible thereby to which the obstruction of blocking of back frame 110 is avoided to pacify
The situation of dress facilitates the installation of backlight module.
Referring to Fig. 10, Figure 10 is a kind of structure diagram of electronic device provided by the embodiments of the present application.Such as Figure 10 institutes
Show, the electronic device 70 of the present embodiment includes backlight module 71 and display panel 72.Backlight module 71 is carried to display panel 72
For backlight, wherein, backlight module 71 is previously described backlight module.
Display panel 72 includes being successively set on the light direction of backlight module 71 with the direction far from backlight module 71
Down polaroid 711, array substrate 712, color membrane substrates 713 and upper polaroid 714.Wherein array substrate 712 and color film base
Liquid crystal layer (not shown) is further provided between plate 713.Array substrate 712 and down polaroid 711 respectively with backlight module
The both ends bonding of 71 shading rubber belt 717.
Electronic device can be smart mobile phone, tablet computer, palm PC, smartwatch etc..
Please refer to Fig.1 the decomposition texture schematic diagram that 1, Figure 11 is another electronic device provided by the embodiments of the present application.
In the present embodiment, electronic device 80 can be smart mobile phone, in other embodiments, electronic device may be tablet computer,
Palm PC, smartwatch etc..
In the present embodiment, electronic device 80 includes rear shell 81, center 82, backlight module 83, display panel 84 and lid
Plate 85.
Center 82 is fixedly connected with rear shell 81.
Display panel 84 is laminated on backlight module 83, and display panel 84 and backlight module 83 are both secured to center 82.
Backlight module 83 is used to provide backlight for display panel 84, can be previously described backlight module.
Display panel 84 can be liquid crystal display panel or other display panels.
Cover board 85 lid set on display panel 84.Cover board 85 can be transparent glass cover plate, in non-display area, cover board 85
Can be opaque.For example, cover board 85 is coated with black out ink in non-display area.
It should be understood that the other structures of electronic device can be provided between rear shell 81 and center 82, for example, circuit board
Deng since the application is not related to the improvement to these components, not illustrating herein.
In other embodiments, electronic device 80 can also use other structures, the structure of above-mentioned electronic device 80
Illustrate and the protection domain of non-limiting the application.
The foregoing is merely presently filed embodiments, not thereby limit the scope of the claims of the application, every to utilize this
It is relevant to be directly or indirectly used in other for the equivalent structure or equivalent flow shift that application specification and accompanying drawing content are made
Technical field similarly includes in the scope of patent protection of the application.
Claims (14)
1. a kind of backlight module, which is characterized in that the backlight module includes：
Upper back frame and lower back frame, the upper back frame and the lower back frame are detachably connected, and back frame and the lower back on described
An accommodating space is formed between frame；
The light source and flexible PCB that are arranged in the accommodating space and the light guide plate being arranged in the lower back frame and even
Light film layer, wherein：
The flexible PCB and the even smooth film layer are separately positioned on the opposite both sides of the light source, and the flexible circuit
Plate is set between light source and the lower back frame, and the flexible PCB is electrically connected with the light source；
The light guide plate includes incidence surface and light-emitting surface, and the light source is arranged on the incidence surface side, and the even smooth film layer is set
It puts on the light-emitting surface.
2. backlight module according to claim 1, which is characterized in that the lower back frame includes bottom plate and curved with the bottom plate
The lower wall of connection is rolled over, the upper back frame includes top plate and the upper side wall with top plate bending connection, wherein, the upper side wall
It is detachably connected with the lower wall, the bottom plate and the top plate are mutually parallel；
Wherein, the flexible PCB is set between light source and the bottom plate.
3. backlight module according to claim 2, which is characterized in that connecting hole is provided on the upper side wall, under described
Clamping block, the upper side wall and the lower wall are provided on side wall by the connecting hole and clamping block cooperation to be formed
It is connected together.
4. backlight module according to claim 2, which is characterized in that the backlight module further includes screw, the upside
Wall and the lower wall be threaded respectively in corresponding position hole, the upper side wall and the lower wall by the screw and
The threaded hole is spirally connected to connect to be formed.
5. the backlight module according to according to claim 2, which is characterized in that the bottom plate is held including the first supporting part and second
Load portion, the bending of first supporting part and the lower wall connect, first supporting part to top plate place plane away from
Where more than second supporting part to the top plate with a distance from plane.
6. backlight module according to claim 2, which is characterized in that into one between the flexible PCB and the bottom plate
Step the first double faced adhesive tape of setting, the flexible PCB are connect by first double faced adhesive tape with the bottom plate.
7. backlight module according to claim 6, which is characterized in that the flexible PCB is led from the light source to described
The direction extension of tabula rasa, goes forward side by side a step between the light guide plate and the bottom plate, the flexible PCB and the leaded light
Second double faced adhesive tape is further set between plate, and the flexible PCB is further led by second double faced adhesive tape with described
Tabula rasa connects.
8. backlight module according to claim 7, which is characterized in that the backlight module further includes reflector plate, described anti-
It penetrates piece to be arranged on the bottom plate, and positioned at the side back to the light-emitting surface of light guide plate, the reflector plate and the flexibility
Circuit board is arranged at intervals.
9. backlight module according to claim 2, which is characterized in that the light film layer is included in a manner of separate successively
Diffusion barrier, the first anti-reflection film and the second anti-reflection film being arranged on the light-emitting surface.
10. backlight module according to claim 9, which is characterized in that the diffusion barrier includes and first anti-reflection film
The diffusion of setting and the positioning region extended from the diffusion to the direction of light source are stacked with second anti-reflection film,
The height of the positioning region is higher than the height of the diffusion
11. according to claim 10 any one of them backlight module, which is characterized in that be further provided with hiding on the top plate
Optical cement band, the shading rubber belt are arranged on the positioning region after further extending from the top plate to the direction of the even smooth film layer
On or the top plate be arranged between the positioning region and the shading rubber belt.
12. backlight module according to claim 10, which is characterized in that be additionally provided between the light source and the top plate
One bolster, the bolster are arranged at intervals with the positioning region.
13. a kind of electronic device, which is characterized in that the electronic device includes display panel and backlight module, the backlight
Module provides backlight to the display panel, wherein, the backlight module includes claim 1-12 any one of them backlights
Module.
14. a kind of installation method of backlight module, wherein, the backlight module is carried on the back including claim 1-12 any one of them
Optical mode group, which is characterized in that the installation method includes：
It is arranged on the bottom plate from the direction of the top plate by reflector plate and flexible PCB, and by the flexible PCB
It is arranged at intervals with the reflector plate；
The light source is assembled on the flexible PCB, and the light guide plate and even smooth film layer are assembled to institute successively
It states on reflector plate；
The bolster is turned to be fitted on the light source；
The upper back frame and lower back frame are detachably assembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810105975.9A CN108254972B (en) | 2018-01-31 | 2018-01-31 | Backlight module, electronic device and installation method of backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810105975.9A CN108254972B (en) | 2018-01-31 | 2018-01-31 | Backlight module, electronic device and installation method of backlight module |
Publications (2)
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| CN108254972A true CN108254972A (en) | 2018-07-06 |
| CN108254972B CN108254972B (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810105975.9A Active CN108254972B (en) | 2018-01-31 | 2018-01-31 | Backlight module, electronic device and installation method of backlight module |
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| CN109212807A (en) * | 2018-10-11 | 2019-01-15 | 深圳市晶联讯电子有限公司 | A kind of outdoor liquid crystal display screen |
| CN109343254A (en) * | 2018-10-31 | 2019-02-15 | 青岛海信电器股份有限公司 | A kind of display device and its assembly method |
| CN110361807A (en) * | 2019-07-05 | 2019-10-22 | Oppo（重庆）智能科技有限公司 | The preparation method of electronic equipment, backlight module and backlight module |
| CN112835227A (en) * | 2021-02-19 | 2021-05-25 | Oppo广东移动通信有限公司 | Backlight module and electronic equipment |
| CN112965291A (en) * | 2021-02-02 | 2021-06-15 | 惠科股份有限公司 | Display device and backlight module thereof |
| CN113433738A (en) * | 2021-07-07 | 2021-09-24 | 武汉华星光电技术有限公司 | Backlight module and display terminal |
| CN113900301A (en) * | 2021-09-24 | 2022-01-07 | 佛山市国星光电股份有限公司 | Light source module and backlight display module |
| CN114624808A (en) * | 2022-03-16 | 2022-06-14 | 广州华星光电半导体显示技术有限公司 | Backlight module and display device |
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