CN108087793A - A kind of backlight module and electronic equipment - Google Patents
A kind of backlight module and electronic equipment Download PDFInfo
- Publication number
- CN108087793A CN108087793A CN201810104821.8A CN201810104821A CN108087793A CN 108087793 A CN108087793 A CN 108087793A CN 201810104821 A CN201810104821 A CN 201810104821A CN 108087793 A CN108087793 A CN 108087793A
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- CN
- China
- Prior art keywords
- flexible pcb
- backlight module
- guide plate
- light guide
- side wall
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
This application provides a kind of backlight module and electronic equipments, pass through this backlight module, it eliminates and is used for the glue frame for carrying flexible PCB in the prior art, so as to eliminate space of the backlight module on the direction perpendicular to side wall shared by glue frame, and then reduce the width on the direction perpendicular to side wall, realize the narrow side of backlight module, and the roof of back frame is used to carry display module, so that while glue frame is saved to realize narrow side, by roof glue frame is replaced to carry the effect of display module, so as to not influence the fastness of electronic devices structure.
Description
Technical field
This application involves technical field of electronic equipment, are specifically related to a kind of backlight module and electronic equipment.
Background technology
Electronic equipment generally comprises backlight module and display module, and the backlight in backlight module includes lamp source and flexible electrical
Road plate, one end of flexible PCB are arranged on the light guide plate of backlight module, and the other end is arranged in glue frame, by glue frame with leading
Tabula rasa carries flexible PCB, and lamp source is electrically connected between glue frame and light guide plate with flexible PCB, but this mode, glue frame
Presence can increase the width of electronic equipment, cause the inadequate narrow side of electronic equipment.
The content of the invention
On the one hand the embodiment of the present application provides a kind of backlight module, the backlight module includes：Back frame, including side wall,
Bottom wall and roof, the side wall are connected with bottom wall bending, and the roof is connected with side wall bending, the roof and institute
It states side wall and an accommodating space is collectively formed in the bottom wall；Optical module in the accommodating space, and is arranged at the bottom
On wall；Backlight, including flexible PCB and lamp source, the flexible PCB is in the bottom wall close to the one of the optical module
Side is attached at the bottom wall, and the lamp source is arranged on the flexible PCB and positioned at the optical module close to the side wall
One side.
On the other hand the embodiment of the present application also provides a kind of electronic equipment, the electronic equipment includes display module and above-mentioned
Backlight module, the display module is stacked on the backlight module, and is carried on the roof.
Backlight module provided by the embodiments of the present application, by the way that the flexible PCB of optical module and backlight may be contained within
On the bottom wall of back frame, flexible PCB is carried by bottom wall, is eliminated in the prior art for carrying the glue frame of flexible PCB,
So as to eliminate space of the backlight module on the direction perpendicular to side wall shared by glue frame, and then reduce perpendicular to the side of side wall
Upward width, realizes the narrow side of backlight module, and the roof of back frame is for carrying display module so that save glue frame with
While realizing narrow side, by roof glue frame is replaced to carry the effect of display module, so as to not influence electronic devices structure
Fastness.
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 of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structure diagram for the backlight module first embodiment that the application provides；
Fig. 2 is back frame and the assembling schematic diagram of flexible PCB in Fig. 1；
Fig. 3 is the enlarged diagram of part A in Fig. 1；
Fig. 4 is the assembling schematic diagram of the second stickers and flexible PCB in Fig. 3；
Fig. 5 is the structure diagram of lamp source in Fig. 1；
Fig. 6 is lamp source and an assembling schematic diagram of flexible PCB in Fig. 5；
Fig. 7 is lamp source and another assembling schematic diagram of flexible PCB in Fig. 5；
Fig. 8 is another assembling schematic diagram of shading rubber belt and back frame in Fig. 1；
Fig. 9 is the structure diagram for the backlight module second embodiment that the application provides；
The structure diagram of back frame in Figure 10 Fig. 9；
Figure 11 is the structure diagram for the electronic equipment embodiment that the application provides.
Specific embodiment
With reference to the accompanying drawings and examples, the application is described in further detail.It is emphasized that following implement
Example is merely to illustrate the application, but scope of the present application is not defined.Likewise, following embodiment is only the portion of the application
Point embodiment and not all embodiments, the institute that those of ordinary skill in the art are obtained without creative efforts
There are other embodiments, shall fall in the protection scope of this application.
Term " first " in the application, " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or dark
Show relative importance or the implicit quantity for indicating indicated technical characteristic." first ", " second ", " are defined as a result,
At least one this feature can be expressed or be implicitly included to three " feature.In the description of the present application, " multiple " be meant that
It is two few, such as two, three etc., unless otherwise specifically defined.The directional instruction of institute is (all in the embodiment of the present application
Such as up, down, left, right, before and after ...) it is only used for explaining the phase under a certain particular pose (as shown in drawings) between each component
To position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith
Become.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 for 10 first embodiment of backlight module that the application provides, the present embodiment
Backlight module 10 include back frame 11, optical module 12 and backlight 13.
Back frame 11 includes side wall 111, bottom wall 112 and roof 113, and the bending of side wall 111 and bottom wall 112 connects, roof 113 with
The bending connection of side wall 111, an accommodating space 101 is collectively formed in side wall 111, bottom wall 112 and roof 113.
Refering to Fig. 2, at least one opening for being equipped with connection accommodating space 101 in side wall 111, bottom wall 112 and roof 113
1111, in the present embodiment diagram, side wall 111, bottom wall 112 and roof 113 are equipped with the opening 1111 jointly.
Optionally, back frame 11 is metal back frame.
Fig. 1 is further regarded to, optical module 12 is located in accommodating space 101, and is arranged on bottom wall 112.
Specifically, optical module 12 includes light guide plate 121, optical diaphragm group 122 and reflector plate 123, wherein, light guide plate
121 include incidence surface 1211 and light-emitting surface 1212, and incidence surface 1211 leans on the one side of proximal wall 111, light-emitting surface for light guide plate 121
1212 be one side of the light guide plate 121 away from bottom wall 112, and optical diaphragm group 122 is located at the one side of the light-emitting surface 1212 of light guide plate 121
It is arranged on light guide plate 121, reflector plate 123 is arranged in one side of the light guide plate 121 away from light-emitting surface 1212 on bottom wall 112.
Wherein, optical diaphragm group 122 is included in the diffusion barrier being cascading on the direction away from light guide plate 121
122a, lower anti-reflection film 122b and upper anti-reflection film 122c.
Optionally, diffusion barrier 122a includes diffusion 1221 and connecting portion 1222, diffusion 1221 and lower anti-reflection film
122b is stacked, to carry out optics diffusion, 1222 self-diffusion main body of connecting portion to the light sent from the light-emitting surface of light guide plate 121
1221 extend to the direction away from light guide plate 121.
Wherein, connecting portion 1222 can be structure as a whole with diffusion 1221, or different structures, for example connect
Socket part 1222 is the double faced adhesive tape of sticking structure.
Jointly refering to Fig. 1 and Fig. 2, backlight 13 includes flexible PCB 131 and lamp source 132.
Wherein, flexible PCB 131 is attached at bottom wall 112 in bottom wall 112 close to the one side of optical module 12, and such as Fig. 2
Shown, one side of the back frame 11 away from accommodating space 101 is extended to by opening 1111.
Wherein, flexible PCB 131 is arranged at intervals with reflector plate 123.
Jointly refering to Fig. 1 and Fig. 3, the first stickers 14, flexible electrical are additionally provided between flexible PCB 131 and bottom wall 112
Road plate 131 is adhered to bottom wall 112 by the first stickers 14.
Optionally, the first stickers 14 are double faced adhesive tape.
Optionally, flexible PCB 131 is set in one side of the light guide plate 121 away from light-emitting surface 1212 with the stacking of light guide plate 121
It puts namely the one end of flexible PCB 131 away from side wall 111 as shown in Figure 1 is between light guide plate 121 and bottom wall 112, from
And increase the bond area between flexible PCB 131 and bottom wall 112, increase the connection jail of flexible PCB 131 and bottom wall 112
Solidity.
Optionally, the second stickers 15 are additionally provided between flexible PCB 131 and light guide plate 121, flexible PCB 131 is logical
It crosses the second stickers 15 and is adhered to light guide plate 121, on the basis of being adhered to bottom wall 112 in flexible PCB 131, by flexible electrical
Road plate 131 is adhered to light guide plate 121, so as to further increase the connectivity robustness of flexible PCB 131.
Jointly refering to Fig. 1 and Fig. 4, the second stickers 15 include the first paste section 151 and the second paste section 152, and first is viscous
Patch portion 151 is arranged between flexible PCB 131 and light guide plate 121, to be bonded flexible PCB 131 and light guide plate 121, second
Adhesive portion 152 extends to side wall 111 from the first adhesive portion 151 and is pasted on flexible PCB 131, to increase by the second stickers 15
With the bonding area of flexible PCB 131, so as to increase the sticking strength of 131 and second stickers 15 of flexible PCB.
Optionally, the quantity of the second paste section 152 is one or more.
Wherein, the first paste section 151 is structure as a whole with the second paste section 152.
Optionally, the second stickers 15 are double faced adhesive tape.
Lamp source 132 is arranged on flexible PCB 131 and the one side of proximal wall 111 is leaned on positioned at optical module 12.
Wherein, lamp source 132 is electrically connected with flexible PCB 131, and is arranged at the one of the incidence surface 1211 of light guide plate 121
Side, to emit light to light guide plate 121 by the incidence surface 1211 of light guide plate 121.
Jointly refering to Fig. 1, Fig. 5 and Fig. 6, lamp source 132 includes stent 132a, illuminator 132b and pole piece 132c, stent
132a is arranged on flexible PCB 131, and is provided with the open slot 1321 of the setting of light guide plate 121, illuminator 132b encapsulation
In in the open slot 1321 of stent 132a, pole piece 132c includes main part 1322 and two weld parts 1323,1322 envelope of main part
Loaded on being electrically connected in stent 132a and with illuminator 132b, two weld parts 1323 are respectively from two lateral flexibilities of main part 1322
Circuit board 131 extends stent 132a, for being welded with flexible PCB 131, so as to power for illuminator 132b, so that
Illuminator 132b emits light towards light guide plate 121.
Refering to Fig. 7, in other embodiments, lamp source 132 is concordant with flexible PCB 131 in the one side by proximal wall 111,
Namely stent 132a is concordant with flexible PCB 131 in the one side by proximal wall 111 so that lamp source 132 and side wall 111 away from
From more than or equal to first threshold and less than or equal to second threshold.
It should be understood that in order to ensure the backlight effect of light guide plate 121, illuminator 132b and the distance of light guide plate 121 are
Certain, therefore, installation sites of the stent 132a on flexible PCB 131 is also certain, this reality compared with light guide plate 121
It applies in example, by making flexible PCB 131 concordant with stent 132a in the one side by proximal wall 111 so that stent 132a and side
On the premise of the distance of wall 111 is greater than or equal to first threshold to keep installation gap, flexible PCB 131 is eliminated by nearside
The one side of wall protrudes from the space shared by side wall 111, so that stent 132a and the distance of side wall 111 are less than or equal to second
Threshold value thereby reduces backlight module 10 in the width on the direction of side wall 111.
Wherein, the distance of two above-mentioned weld parts 1323 and side wall 111 is more than flexible PCB 131 and side wall 111
Distance, to weld space 103 with the formation of flexible PCB 131, which is used for as two weld parts 1323 and flexibility
Circuit board 131 provides welding position.
Optionally, illuminator 132b is LED chip.
Jointly refering to Fig. 1, Fig. 3 and Fig. 6, in order to ensure the backlight effect of light guide plate 121 so that light guide plate 121 connects completely
The light that transmitting-receiving body of light 132b is sent, lamp source 132 is in 121 phase of highly desirable and light guide plate on the direction of bottom wall 112
It is corresponding, prevent lamp source 132 excessive height or it is too low when, the light that illuminator 132b is sent is not sent to light guide plate 121 completely,
So as to reduce the backlight effect of the light source utilization rate of illuminator 132b and light guide plate 121, therefore, pasted above-mentioned by first
When part 14 is bonded flexible PCB 131 with bottom wall 112, it can exist by adjusting the thickness of the first stickers 14 to adjust lamp source 132
Height on the direction of bottom wall 112, and further flexible PCB 131 and leaded light are being bonded by the second stickers 15
During plate 121, while lamp source 132 is adjusted perpendicular to bottom wall 112 by the thickness of the first stickers 14 and the second stickers 15
Direction on height.
Fig. 1 is further regarded to, the backlight module 10 of the present embodiment further includes shading rubber belt 16, and shading rubber belt 16 is in roof
113 one sides away from accommodating space 101 are pasted on roof 113 and optical diaphragm group 12, when optical diaphragm group 12 shines, to prevent
Only 12 light leak of optical diaphragm group.
Specifically, shading rubber belt 16 is pasted on roof 113 and optical film in one side of the roof 113 away from accommodating space 101
The upper anti-reflection film 122c of piece group 12.
Optionally, shading rubber belt 16 is pasted on the connecting portion 1222 of diffusion barrier 122a, specifically, 1222 self-diffusion of connecting portion
Main body 1221 is prolonged to the direction extension away from light guide plate 121 namely 1222 self-diffusion main body 1221 of connecting portion to shading rubber belt 16
It stretches, so as to be pasted on shading rubber belt 16.
Refering to Fig. 8, in other embodiments, shading rubber belt 16 is also pasted in one side of the side wall 111 away from accommodating space 101
In side wall 111, to increase the bonding area of shading rubber belt 16 and back frame 11, so as to increase the stickup of shading rubber belt 16 and back frame 11
Intensity.
Backlight module provided in this embodiment, by the way that the flexible PCB of optical module and backlight may be contained within back frame
Bottom wall on, flexible PCB is carried by bottom wall, is eliminated in the prior art for carrying the glue frame of flexible PCB, so as to
Space of the backlight module on the direction perpendicular to side wall shared by glue frame is eliminated, and then is reduced on the direction perpendicular to side wall
Width, realize the narrow side of backlight module.
Refering to Fig. 9, Fig. 9 is the structure diagram for 20 second embodiment of backlight module that the application provides, the present embodiment
Backlight module 20 includes back frame 21, optical module 12 and backlight 13.
Back frame 21 includes side wall 111, bottom wall 212 and roof 113, and the bending of side wall 111 and bottom wall 212 connects, roof 113 with
The bending connection of side wall 111, an accommodating space 201 is collectively formed in side wall 111, bottom wall 212 and roof 113.
Refering to Figure 10, accommodating space 201 is included in towards sequentially connected first space segment 2011 on the direction of side wall 111
And second space section 2012, and area of section of the second space section 2012 on the direction towards side wall 111 is more than the first space
The area of section of section 2011.
Specifically, side wall 212 is included in towards sequentially connected first wall section 2121 and the second wall on the direction of side wall 111
Section 2122, and the vertical range between the second wall section 2122 as shown in Figure 10 and roof 113 is more than the first wall section 2121 and top
Vertical distance between wall 113, with when forming accommodating space 201, on the direction towards side wall 111, positioned at the second wall section
The area of section of 2122 second space section 2012 is more than the area of section of the first space segment 2011 positioned at the first wall section 2121.
Further, at least one be equipped in side wall 111, bottom wall 212 and roof 113 connects opening for accommodating space 201
Mouth 1111, in the present embodiment, side wall 111, bottom wall 212 and roof 113 are equipped with the opening 1111 jointly.
Optionally, back frame 21 is metal back frame.
Jointly refering to Fig. 9 and Figure 10, optical module 12 is located in accommodating space 201, and is arranged on bottom wall 212.
Specifically, the first space segment 2011 of accommodating space 201 is used to house the optical module 12.
Wherein, optical module 12 include light guide plate 121, optical diaphragm group 122 and reflector plate 123, light guide plate 121 include into
Smooth surface 1211 and light-emitting surface 1212, incidence surface 1211 lean on the one side of proximal wall 111 for light guide plate 121, and light-emitting surface 1212 is leaded light
One side of the plate 121 away from bottom wall 212, the one side that optical diaphragm group 122 is located at the light-emitting surface 1212 of light guide plate 121 are arranged at leaded light
On plate 121, reflector plate 123 is arranged in one side of the light guide plate 121 away from light-emitting surface 1212 on bottom wall 212.
Wherein, optical diaphragm group 122 is included in the diffusion barrier being cascading on the direction away from light guide plate 121
122a, lower anti-reflection film 122b and upper anti-reflection film 122c.
Optionally, diffusion barrier 122a includes diffusion 1221 and connecting portion 1222, diffusion 1221 and lower anti-reflection film
122b is stacked, to carry out optics diffusion, 1222 self-diffusion main body of connecting portion to the light sent from the light-emitting surface of light guide plate 121
1221 extend to the direction away from light guide plate 121.
Wherein, connecting portion 1222 can be structure as a whole with diffusion 1221, or different structures, for example connect
Socket part 1222 is the double faced adhesive tape of sticking structure.
Backlight 13 includes flexible PCB 131 and lamp source 132.
Wherein, flexible PCB 131 is attached at bottom wall 212 in bottom wall 212 close to the one side of optical module 12, and by opening
Mouth 1111 extends to one side of the back frame 11 away from accommodating space 201.
It is attached at specifically, flexible PCB 131 is located in second space section 2012 on bottom wall 212.
Wherein, flexible PCB 131 is arranged at intervals with reflector plate 123.
Optionally, the first stickers 14 are equipped between flexible PCB 131 and bottom wall 212, flexible PCB 131 passes through the
One stickers 14 are adhered to bottom wall 212.
Optionally, the first stickers 14 are double faced adhesive tape.
Optionally, flexible PCB 131 is set in one side of the light guide plate 121 away from light-emitting surface 1212 with the stacking of light guide plate 121
It puts namely the one end of flexible PCB 131 away from side wall 111 is between light guide plate 121 and bottom wall 212, so as to increase flexibility
Bond area between circuit board 131 and bottom wall 212 increases the connectivity robustness of flexible PCB 131 and bottom wall 212.
Optionally, the second stickers 15 are additionally provided between flexible PCB 131 and light guide plate 121, flexible PCB 131 is logical
It crosses the second stickers 15 and is adhered to light guide plate 121, on the basis of being adhered to bottom wall 212 in flexible PCB 131, by flexible electrical
Road plate 131 is adhered to light guide plate 121, so as to further increase the connectivity robustness of flexible PCB 131.
Optionally, the second stickers 15 include the first paste section 151 and the second paste section 152, and the first paste section 151 is set
Between flexible PCB 131 and light guide plate 121, to be bonded flexible PCB 131 and light guide plate 121, the second adhesive portion 152 is certainly
First adhesive portion 151 extends to side wall 111 and is pasted on flexible PCB 131, to increase the second stickers 15 and flexible circuit
The bonding area of plate 131, so as to increase the sticking strength of 131 and second stickers 15 of flexible PCB.
Optionally, the quantity of the second paste section 152 is one or more.
Wherein, the first paste section 151 is structure as a whole with the second paste section 152.
Optionally, the second stickers 15 are double faced adhesive tape.
Lamp source 132 is arranged on flexible PCB 131 and the one side of proximal wall 111 is leaned on positioned at optical module 12.
Wherein, lamp source 132 is electrically connected with flexible PCB 131, and is arranged at the one of the incidence surface 1211 of light guide plate 121
Side, to emit light to light guide plate 121 by the incidence surface 1211 of light guide plate 121.
Specifically, lamp source 132 includes stent 132a, illuminator 132b and pole piece 132c, stent 132a is arranged at flexible electrical
On road plate 131, and the open slot 1321 of the setting of light guide plate 121 is provided with, illuminator 132b is packaged in the opening of stent 132a
In slot 1321, pole piece 132c includes main part 1322 and two weld parts 1323, main part 1322 are packaged in stent 132a simultaneously
It is electrically connected with illuminator 132b, two weld parts 1323 extend respectively from two lateral flexible PCBs 131 of main part 1322
Stent 132a, for being welded with flexible PCB 131, so as to power for illuminator 132b, so that illuminator 132b directions
Light guide plate 121 emits light.
Optionally, in other embodiments, lamp source 132 is concordant with flexible PCB 131 in the one side by proximal wall 111,
Namely stent 132a is concordant with flexible PCB 131 in the one side by proximal wall 111 so that lamp source 132 and side wall 111 away from
From more than or equal to first threshold and less than or equal to second threshold.
It should be understood that in order to ensure the backlight effect of light guide plate 121, illuminator 132b and the distance of light guide plate 121 are
Certain, therefore, installation sites of the stent 132a on flexible PCB 131 is also certain, this reality compared with light guide plate 121
It applies in example, by making flexible PCB 131 concordant with stent 132a in the one side by proximal wall 111 so that stent 132a and side
On the premise of the distance of wall 111 is greater than or equal to first threshold to keep installation gap, flexible PCB 131 is eliminated by nearside
The one side of wall protrudes from the space shared by side wall 111, so that stent 132a and the distance of side wall 111 are less than or equal to second
Threshold value thereby reduces backlight module 20 in the width on the direction of side wall 111.
Wherein, the distance of two above-mentioned weld parts 1323 and side wall 111 is more than flexible PCB 131 and side wall 111
Distance, to weld space 103 with the formation of flexible PCB 131, which is used for as two weld parts 1323 and flexibility
Circuit board 131 provides welding position.
Optionally, illuminator 132b is LED chip.
Further, in order to ensure the backlight effect of light guide plate 121 so that light guide plate 121 receives illuminator 132b completely
The light sent, lamp source 132 is corresponding in the highly desirable and light guide plate 121 on the direction of bottom wall 212, prevents lamp source
132 excessive height or it is too low when, the light that illuminator 132b is sent is not sent to light guide plate 121 completely, luminous so as to reduce
Therefore the light source utilization rate of body 132b and the backlight effect of light guide plate 121, flexibility are bonded above-mentioned by the first stickers 14
When circuit board 131 and bottom wall 212, lamp source 132 can be adjusted perpendicular to bottom wall 212 by adjusting the thickness of the first stickers 14
Direction on height, and when being further bonded flexible PCB 131 and light guide plate 121 by the second stickers 15, simultaneously
Lamp source 132 is adjusted in the height on the direction of bottom wall 212 by the thickness of the first stickers 14 and the second stickers 15
Degree.
Further, it is attached at since flexible PCB 131 is located in second space section 2012 on bottom wall 212, and second
Space segment 2012 is more than the area of section of the first space segment 2011 in the area of section on the direction of side wall 111, therefore,
Flexible PCB 131 is located at the situation in second space section 2012, can be provided enough when adjusting the height of lamp source 132
Adjustment space, when preventing adjustment space deficiency, by reducing thickness at least one in the first stickers 14 and the second stickers 15
Degree, and cause the sticking strength deficiency of flexible PCB 131 or for the sticking strength for ensureing flexible PCB 131, cause lamp
The height in source 132 is not corresponding to the height of light guide plate 121, and reduces the situation of the backlight effect of light guide plate 121.
Further, the backlight module 20 of the present embodiment further includes shading rubber belt 16, and shading rubber belt 16 is separate in roof 113
The one side of accommodating space 201 is pasted on roof 113 and optical diaphragm group 12, when optical diaphragm group 12 shines, to prevent optics
12 light leak of diaphragm group.
Specifically, shading rubber belt 16 is pasted on roof 113 and optical film in one side of the roof 113 away from accommodating space 201
The upper anti-reflection film 122c of piece group 12.
Optionally, shading rubber belt 16 is pasted on the connecting portion 1222 of diffusion barrier 122a, specifically, 1222 self-diffusion of connecting portion
Main body 1221 is prolonged to the direction extension away from light guide plate 121 namely 1222 self-diffusion main body 1221 of connecting portion to shading rubber belt 16
It stretches, so as to be pasted on shading rubber belt 16.
Optionally, in other embodiments, shading rubber belt 16 is also pasted in one side of the side wall 111 away from accommodating space 201
In side wall 111, to increase the bonding area of shading rubber belt 16 and back frame 21, so as to increase the stickup of shading rubber belt 16 and backlight 21
Intensity.
Backlight module provided in this embodiment, by the way that the flexible PCB of optical module and backlight may be contained within back frame
Bottom wall on, flexible PCB is carried by bottom wall, is eliminated in the prior art for carrying the glue frame of flexible PCB, so as to
Space of the backlight module on the direction perpendicular to side wall shared by glue frame is eliminated, and then is reduced on the direction perpendicular to side wall
Width, realize the narrow side of backlight module, and further, flexible PCB be located to the second space section of accommodating space,
Area of section of the second space section on the direction towards side wall is more than the section for housing the first space segment of optical module
Area can provide enough adjustment spaces, when preventing adjustment space deficiency, by reducing by the when adjusting the height of lamp source
At least one thickness in one stickers and the second stickers, and cause flexible PCB sticking strength deficiency or in order to protect
The sticking strength of flexible PCB is demonstrate,proved, the height for causing lamp source is not corresponding to the height of light guide plate, and reduces the backlight of light guide plate
The situation of effect.
Refering to Figure 11, Figure 11 be the application provide 30 embodiment of electronic equipment structure diagram, the electricity of the present embodiment
Sub- equipment can be any equipment for possessing communication and store function, such as：Tablet computer, mobile phone, electronic reader, remote control
Device, personal computer (Personal Computer, PC), laptop, mobile unit, Web TV, wearable device etc.
Smart machine with network function.
The electronic equipment 30 includes backlight module 31 and display module 32, which is in any of the above-described embodiment
Backlight module, specifically see the specific descriptions of any of the above-described embodiment, details are not described herein, with the in the present embodiment diagram
Exemplified by backlight module 20 in two embodiments.
Wherein, display module 32 is stacked on backlight module 31, and is carried on the roof 113 of back frame 21.
Electronic equipment provided in this embodiment, by the way that the flexible PCB of optical module and backlight may be contained within back frame
Bottom wall on, flexible PCB is carried by bottom wall, is eliminated in the prior art for carrying the glue frame of flexible PCB, so as to
Space of the backlight module on the direction perpendicular to side wall shared by glue frame is eliminated, and then is reduced on the direction perpendicular to side wall
Width, realize the narrow side of backlight module, and the roof for further passing through back frame carries display module so that remove photoresist in province
While frame is to realize narrow side, by roof glue frame is replaced to carry the effect of display module, so as to not influence electronic equipment knot
The fastness of structure.
The foregoing is merely the protection domain of the section Example of the application, not thereby limitation the application, every utilizations
It is related to be directly or indirectly used in other for the equivalent device or equivalent process transformation that present specification and accompanying drawing content are made
Technical field, be similarly included 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：
Back frame, including side wall, bottom wall and roof, the side wall is connected with bottom wall bending, and the roof and the side wall are curved
An accommodating space is collectively formed with the side wall and the bottom wall in folding connection, the roof；
Optical module in the accommodating space, and is arranged on the bottom wall；
Backlight, including flexible PCB and lamp source, the flexible PCB is in the bottom wall close to the one of the optical module
Side is attached at the bottom wall, and the lamp source is arranged on the flexible PCB and positioned at the optical module close to the side wall
One side.
2. backlight module according to claim 1, which is characterized in that the accommodating space is included in towards the side wall
Sequentially connected first space segment and second space section on direction, first space segment are used to house the optical module, institute
The area of section that area of section of the second space section on the direction towards the side wall is more than first space segment is stated, it is described
Flexible PCB is attached at the bottom wall in the second space section.
3. backlight module according to claim 1, which is characterized in that the flexible PCB is close to the one side of the side wall
It is concordant with the lamp source, so that the distance of the lamp source and the side wall is greater than or equal to first threshold and less than or equal to the
Two threshold values.
4. backlight module according to claim 3, which is characterized in that the lamp source includes stent and pole piece, the stent
It is arranged on the flexible PCB and the one side of the close side wall is concordant with the flexible PCB, the pole piece includes master
Body portion and two weld parts, the main part are packaged in the stent, and described two weld parts are respectively from the main part
The two lateral flexible PCBs extend the stent, for being welded with the flexible PCB, wherein, described two welderings
Socket part and the distance of the side wall are more than the distance of the flexible PCB and the side wall, to be formed with the flexible PCB
Weld space.
5. the backlight module according to claim 3 or 4, which is characterized in that the first threshold be 0.1mm~0.15, institute
Second threshold is stated as 0.15~0.2mm.
6. backlight module described in any one of claim 1 to 3, which is characterized in that the flexible PCB with it is described
The first stickers are equipped between bottom wall, the flexible PCB is adhered to the bottom wall by first stickers.
7. backlight module according to claim 6, which is characterized in that the optical module includes light guide plate, the leaded light
Plate includes incidence surface and light-emitting surface, and the lamp source is arranged at the one side of the incidence surface of the light guide plate, and the flexible PCB exists
One side of the light guide plate away from the light-emitting surface is stacked with the light guide plate.
8. backlight module according to claim 7, which is characterized in that between the flexible PCB and the light guide plate also
Equipped with the second stickers, the flexible PCB is adhered to the light guide plate by second stickers.
9. backlight module according to claim 8, which is characterized in that second stickers include the first paste section and the
Two paste sections, first paste section are arranged between the flexible PCB and the light guide plate, to be bonded the flexible electrical
Road plate and light guide plate, second paste section extend to the side wall from first paste section and are pasted on the flexible circuit
Plate.
10. backlight module according to claim 7, which is characterized in that the optical module further comprises optical diaphragm
Group, the one side that the optical diaphragm group is located at the light-emitting surface of the light guide plate are arranged on the light guide plate, the backlight module
Further comprise shading rubber belt, the shading rubber belt is pasted on the roof in one side of the roof away from the accommodating space
And the optical diaphragm group.
11. backlight module according to claim 10, which is characterized in that the optical diaphragm group is included in be led away from described
Diffusion barrier, lower anti-reflection film and the upper anti-reflection film being cascading on the direction of tabula rasa, the shading rubber belt are pasted on described
Anti-reflection film, the diffusion barrier include diffusion and connecting portion, and the diffusion is stacked with the lower anti-reflection film, described
Connecting portion extends from the diffusion to the shading rubber belt, and is pasted on the shading rubber belt.
12. backlight module according to claim 10, which is characterized in that the shading rubber belt is further remote in the side wall
One side from the accommodating space is pasted on the side wall.
13. backlight module according to claim 7, which is characterized in that the optical module further comprises reflector plate, institute
Reflector plate is stated to be arranged on the bottom wall in one side of the light guide plate away from the light-emitting surface, and between the flexible PCB
Every setting.
14. a kind of electronic equipment, which is characterized in that the electronic equipment includes any in display module and claim 1~13
Backlight module described in, the display module is stacked on the backlight module, and is carried on the roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810104821.8A CN108087793B (en) | 2018-01-31 | 2018-01-31 | Backlight module and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810104821.8A CN108087793B (en) | 2018-01-31 | 2018-01-31 | Backlight module and electronic equipment |
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| CN108087793A true CN108087793A (en) | 2018-05-29 |
| CN108087793B CN108087793B (en) | 2023-10-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111083869A (en) * | 2019-12-16 | 2020-04-28 | 精电(河源)显示技术有限公司 | Flexible circuit board of display screen |
| CN111765396A (en) * | 2020-07-14 | 2020-10-13 | 京东方科技集团股份有限公司 | Lighting device |
| CN115390310A (en) * | 2022-08-24 | 2022-11-25 | 广州华星光电半导体显示技术有限公司 | Backlight module, manufacturing method thereof and display device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101441358A (en) * | 2007-11-19 | 2009-05-27 | 奇力光电科技股份有限公司 | Backlight module unit |
| WO2013159378A1 (en) * | 2012-04-27 | 2013-10-31 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN103438386A (en) * | 2013-04-01 | 2013-12-11 | 友达光电股份有限公司 | Light source device |
| CN104197241A (en) * | 2014-08-19 | 2014-12-10 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN204129377U (en) * | 2014-08-29 | 2015-01-28 | 邹昌校 | A kind of liquid crystal display frame |
| CN104748020A (en) * | 2015-04-27 | 2015-07-01 | 京东方科技集团股份有限公司 | Backlight module, display panel and display device |
| CN105867027A (en) * | 2016-06-06 | 2016-08-17 | 京东方科技集团股份有限公司 | Backlight module, liquid crystal display module and liquid crystal display device |
| CN106568029A (en) * | 2015-10-09 | 2017-04-19 | 瑞仪光电(苏州)有限公司 | Backlight module and display apparatus |
| CN206301120U (en) * | 2017-01-03 | 2017-07-04 | 合肥京东方显示光源有限公司 | A kind of backlight module and display device |
| CN206741160U (en) * | 2017-05-11 | 2017-12-12 | 北京京东方光电科技有限公司 | Backlight module and display device |
| CN206846433U (en) * | 2017-03-28 | 2018-01-05 | 合肥京东方显示光源有限公司 | Back board module, backlight module and display device |
| CN207796760U (en) * | 2018-01-31 | 2018-08-31 | 广东欧珀移动通信有限公司 | A kind of backlight module and electronic equipment |
-
2018
- 2018-01-31 CN CN201810104821.8A patent/CN108087793B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101441358A (en) * | 2007-11-19 | 2009-05-27 | 奇力光电科技股份有限公司 | Backlight module unit |
| WO2013159378A1 (en) * | 2012-04-27 | 2013-10-31 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN103438386A (en) * | 2013-04-01 | 2013-12-11 | 友达光电股份有限公司 | Light source device |
| CN104197241A (en) * | 2014-08-19 | 2014-12-10 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN204129377U (en) * | 2014-08-29 | 2015-01-28 | 邹昌校 | A kind of liquid crystal display frame |
| CN104748020A (en) * | 2015-04-27 | 2015-07-01 | 京东方科技集团股份有限公司 | Backlight module, display panel and display device |
| CN106568029A (en) * | 2015-10-09 | 2017-04-19 | 瑞仪光电(苏州)有限公司 | Backlight module and display apparatus |
| CN105867027A (en) * | 2016-06-06 | 2016-08-17 | 京东方科技集团股份有限公司 | Backlight module, liquid crystal display module and liquid crystal display device |
| CN206301120U (en) * | 2017-01-03 | 2017-07-04 | 合肥京东方显示光源有限公司 | A kind of backlight module and display device |
| CN206846433U (en) * | 2017-03-28 | 2018-01-05 | 合肥京东方显示光源有限公司 | Back board module, backlight module and display device |
| CN206741160U (en) * | 2017-05-11 | 2017-12-12 | 北京京东方光电科技有限公司 | Backlight module and display device |
| CN207796760U (en) * | 2018-01-31 | 2018-08-31 | 广东欧珀移动通信有限公司 | A kind of backlight module and electronic equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111083869A (en) * | 2019-12-16 | 2020-04-28 | 精电(河源)显示技术有限公司 | Flexible circuit board of display screen |
| CN111765396A (en) * | 2020-07-14 | 2020-10-13 | 京东方科技集团股份有限公司 | Lighting device |
| US11867379B2 (en) | 2020-07-14 | 2024-01-09 | Boe Technology Group Co., Ltd. | Lighting apparatus |
| CN115390310A (en) * | 2022-08-24 | 2022-11-25 | 广州华星光电半导体显示技术有限公司 | Backlight module, manufacturing method thereof and display device |
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| Publication number | Publication date |
|---|---|
| CN108087793B (en) | 2023-10-17 |
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