CN104197242B - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN104197242B CN104197242B CN201410418781.6A CN201410418781A CN104197242B CN 104197242 B CN104197242 B CN 104197242B CN 201410418781 A CN201410418781 A CN 201410418781A CN 104197242 B CN104197242 B CN 104197242B
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- locating notch
- backlight module
- positioning tab
- described locating
- frame
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Abstract
The invention provides a backlight module and a display device. The backlight module comprises at least two optical structures, a rubber frame and a fixing part, wherein a positioning convex lug which extends outwards is arranged at the edge positions of the at least two optical structures; the rubber frame is arranged on the peripheries of the at least two optical structures, a positioning notch is formed in the position, corresponding to the positioning convex lug, of the rubber frame, and the positioning convex lug is inserted into the positioning notch; the fixing part is arranged in the positioning notch and used for fixing the positioning convex lug into the positioning notch. The positioning notch is formed in the rubber frame, the positioning convex lug of the optical structures such as an optical film material and a diffuser plate is inserted and fixed into the positioning notch through the fixing part, fixation of the optical film material and the diffuser plate can be achieved without the need of a sheet guide in the fixing mode, the widths of the positioning convex lug on the optical film material and the diffuser plate can be reduced, and therefore the width of the frame of the backlight module is reduced and the structural design of a super-narrow frame is achieved.
Description
Technical field
The present invention relates to display technology field, more particularly, to a kind of backlight module and display device.
Background technology
Backlight module is one of important devices in liquid crystal display, wherein down straight aphototropism mode set mainly include light source,
The parts such as optical film material, diffuser plate, glue frame, backboard, light sends in the light source from backlight module, anti-by the reflector plate on backboard
After penetrating, it is emitted directly toward the diffuser plate on picture, then picture is injected by diffuser plate.
In traditional down straight aphototropism mode set, the fixed form of optical film material and diffuser plate is:
Locating dowel (Sheet Guide) is provided with glue frame or backboard, and corresponding with locating dowel at the edge of diffuser plate
Position opens up locating notch, and locating dowel is located in locating notch, to position to diffuser plate, the margin location of optical film material simultaneously
Install and be equipped with positioning tab, positioning tab opens up location hole, locating dowel is inserted into positioning in the hole, fixed to carry out to optical film material
Position, then sticking cloth on the location hole of optical film material, to fix optical film material and diffuser plate.
This optical film material and the fixed form of diffuser plate, using tape-stripping mode, need pre- in glue frame or backboard
Stay sufficient space that locating dowel is set, the width of the positioning tab on optical film material and diffuser plate can be increased, thus increasing backlight
The width of module frame is it is impossible to realize the structure design of ultra-narrow frame.
Content of the invention
It is an object of the invention to provide a kind of backlight module and display device, the fixed form of its optical film material and diffuser plate
The ultra-narrow border structure of backlight module can be realized.
Technical scheme provided by the present invention is as follows:
A kind of backlight module, including:
It is equipped with, at least two-layer optical texture, at least marginal position of two-layer optical texture, the convex stretching out
Ear;
The glue frame of at least periphery of two-layer optical texture described in being arranged at, described glue frame is corresponding with described positioning tab
Position at be formed with locating notch, described positioning tab is inserted in described locating notch;
And, it is arranged at the fixation in described locating notch, for being fixed on described positioning tab in described locating notch
Part.
Further, described locating notch includes:Bottom surface portions;And, positioned at the two of the opposite sides of described positioning tab
Sidewall sections;
Described fixture includes:The card frame portion being arranged in described locating notch is divided, at least the positioning of two-layer optical texture
Lug divides and the bottom surface portions of described locating notch between positioned at described card frame portion, and at least a portion that described card frame portion is divided can
It is installed between the both sides wall part of described locating notch, described positioning tab is pressed in the bottom surface portions of described locating notch
On.
Further, position corresponding with the bottom surface portions of described locating notch is provided with buckling groove;
Described fixture also includes:Grab part, one end of described grab part is connected to described card frame portion and divides, another
End is connected together with described buckling groove.
Further, at least one sidewall sections in the both sides wall part of described locating notch are additionally provided with lead;
Described card frame portion divide with described lead correspondence position be provided with described lead cooperation gathering sill.
Further, the bottom surface portions of described locating notch are additionally provided with the locating dowel raising up, described positioning tab
On be provided with described locating dowel cooperation positioning port.
Further, it is formed with gap between the both sides wall part of described locating notch and described positioning tab;
Described fixture also includes:Card article part, one end of described card article part is connected to described card frame portion and divides, another
End is installed in the described gap formed between described positioning tab and the both sides wall part of described locating notch.
Further, described backlight module also includes:
It is arranged on the periphery of described glue frame and at least cover the barrier bed of described locating notch.
Further, at least two-layer optical texture includes:Optical film material and diffuser plate.
A kind of display device, including backlight module as above.
Beneficial effects of the present invention are as follows:
In the backlight module of the present invention, by a locating notch is arranged on glue frame, by fixture by optical film material and
Positioning tab on the optical textures such as diffuser plate is inserted and fixed in locating notch, and this fixed form is with traditional by positioning
The fixed form of post, positioning tab and tape-stripping is compared, and can also realize consolidating of optical film material and diffuser plate without locating dowel
Fixed, such that it is able to reduce the width of the positioning tab on optical film material and diffuser plate, thus reducing the width of backlight module frame,
Realize the structure design of ultra-narrow frame.
Brief description
Fig. 1 is backlight module provided by the present invention in the optical film material of Pad side of display floater and the fixation of diffuser plate
Schematic diagram;
Fig. 2 is A partial structural diagram in Fig. 1;
Fig. 3 is the fit structure schematic diagram of the locating notch of glue frame and optical film material and diffuser plate in Fig. 2;
Fig. 4 is the structural representation of fixture in Fig. 2;
Fig. 5 is backlight module provided by the present invention in the optical film material of Pad side of display floater and the fixation of diffuser plate
Schematic diagram;
Fig. 6 is B partial structural diagram in Fig. 1;
Fig. 7 is the fit structure schematic diagram of the locating notch of glue frame and optical film material and diffuser plate in Fig. 6;
Fig. 8 is the structural representation of fixture in Fig. 6.
Specific embodiment
Below in conjunction with accompanying drawing, the principle of the present invention and feature are described, example is served only for explaining the present invention, and
Non- for limiting the scope of the present invention.
For backlight module in prior art, especially in down straight aphototropism mode set, due to optical film material and diffuser plate
Fixed form cannot realize the technical problem of ultra-narrow frame, the invention provides a kind of backlight module, is capable of ultra-narrow frame.
As shown in Fig. 1 is to 8, a kind of backlight module provided by the present invention, including:
It is equipped with, at least two-layer optical texture, at least marginal position of two-layer optical texture, the positioning tab stretching out
100;
The glue frame 200 of at least periphery of two-layer optical texture described in being arranged at, described glue frame 200 with described positioning tab
It is formed with locating notch, described positioning tab 100 is inserted in described locating notch at 100 corresponding positions;
And be arranged in described locating notch, for described positioning tab 100 is fixed on consolidating in described locating notch
Determine part 300.
In the backlight module of the present invention, by a locating notch, at least two-layer optical texture being arranged on glue frame 200 (such as
Optical film material 101 and diffuser plate 102 etc.) on the positioning tab 100 that stretches out be directly inserted into and be fixed in locating notch,
And be fixed using fixture 300, this fixed form, can be pre- in glue frame 200 compared with traditional fixed form
Spacing arranges locating dowel, and the therefore width of the thickness of glue frame 200 and positioning tab 100 can reduce, such that it is able to reduce
The border width of backlight module, realizes the structure design of ultra-narrow frame.
It should be noted that in embodiment provided by the present invention, backlight module is taking down straight aphototropism mode set as a example to enter
The explanation of row, wherein said at least two-layer optical texture can include optical film material 101 and diffuser plate 102, certainly can also wrap
Include other optical textures.
It should be appreciated that the backlight module of the present invention is not limited only to down straight aphototropism mode set, such as side entrance back
Module, wherein said at least two-layer optical texture can be optical film material and light guide plate.
In a kind of embodiment provided by the present invention, as shown in the figure it is preferred that described locating notch is opening up lacking
Mouthful, it includes:Bottom surface portions 2011;And, positioned at the both sides wall part 2012 of the opposite sides of described positioning tab 100;
Described fixture 300 includes:The card frame portion being arranged in described locating notch divides 301, at least two-layer optical texture
Positioning tab 100 divide between 301 and the bottom surface portions 2011 of described locating notch positioned at described card frame portion, described card frame portion is divided
301 at least a portion can be installed between the both sides wall part 2012 of described locating notch, by described positioning tab 100
It is pressed on the bottom surface portions 2011 of described locating notch.
Using such scheme, in assembling, the positioning tab 100 on optical film material 101 and diffuser plate 102 can be inserted
To in locating notch, recycle described fixture 300 card frame portion divide 301 by described positioning tab 100 direct pressing described
On locating notch, that is, realize optical film material 101 and the fixation of diffuser plate 102, fixed form is simple, convenient.
In order to improve the fix tightly solidity of optical film material 101 and diffuser plate 102, a kind of embodiment provided by the present invention
In, as shown in Fig. 2 to Fig. 4 and Fig. 6 to Fig. 8, it is further preferred that corresponding in the bottom surface portions 2011 with described locating notch
Position is provided with buckling groove 204;Described fixture 300 also includes:Grab part 302, one end of described grab part 302 connects
Divide on 301 in described card frame portion, the other end is connected together with described buckling groove 204.
Using such scheme, divide 301 by described positioning tab 100 direct pressing using the card frame portion of described fixture 300
On described locating notch, described grab part 302 and described buckling groove 204 can be recycled to be connected together that is to say, that institute
Stating card frame portion divides 301 to cooperate with described grab part 302, described positioning tab 100 is fixed on the positioning of glue frame 200
In breach, this mode that is fixed is more firm, reliable.
Additionally, in a kind of embodiment provided by the present invention, as shown in Figures 2 to 4 it is preferred that described locating notch
It is additionally provided with lead 202 at least one sidewall sections 2012 in both sides wall part 2012;Described card frame portion divide 301 with institute
State lead 202 correspondence position and be provided with the gathering sill 3011 with the cooperation of described lead 202.It is further preferred that
Described lead 202 is respectively provided with both sides wall part 2012.
Using such scheme, can be by the joining of gathering sill 3011 on lead 202 on locating notch and fixture 300
Close, realize the exactitude position of fixture 300, while facilitating fixture assembling, ensure fixture installation accuracy, can also prevent
Only the position of described fixture 300 shifts.
It should be noted that arranging gathering sill 3011 in actual applications or on described locating notch, and institute
The card frame portion stating fixture 300 divides setting lead 202 on 301.Also, it should be understood that, in the locating notch of glue frame 200
And the guide frame of the other forms having guiding and preventing skew from acting on of setting also should be in the guarantor of the present invention on fixture 300
In the range of shield, here will not enumerate.
Additionally, the width of the frame of different display floaters can be different, and the width of same display floater is in not homonymy
Width can also different (as display floater arranges the Pad side of flexible PCB and is not provided with the Pad offsides of flexible PCB
Width is different), therefore, it can according to the demand to display device frame, when the width of frame can reach a predetermined value, can be full
In sufficient glue frame 200 during the space requirement of setting locating dowel (as display floater arranges the Pad side of flexible PCB), in order to further
Prevent optical film material 101 and diffuser plate 102 from double swerve occurring it is preferred that as shown in Figures 2 to 4, the bottom of described locating notch
Face part 2011 is also provided with the locating dowel 203 raising up, and described positioning tab 100 is provided with and described locating dowel
The positioning port 103 of 203 cooperations, described locating dowel 203 is inserted in described positioning port 103.
Using such scheme, when the width of frame can reach a predetermined value, and setting locating dowel in glue frame 200 can be met
During 203 space requirement (such as:Display floater arranges the Pad side of flexible PCB), can also be in the locating notch of glue frame 200
Bottom surface portions 2011 locating dowel 203 that raises up of setting, the now positioning tab 100 on optical film material 101 and diffuser plate 102
The width that stretches out that can make is slightly larger, and arranges positioning port 103 on positioning tab 100, using optical film material 101 and expansion
The positioning port 103 of positioning tab 100 falling apart on 102 is coordinated with locating dowel 203, optical film material 101 and diffuser plate 102 are entered
Row is further to be positioned and fixing, prevents optical film material 101 and diffuser plate 102 from rocking.
It should be noted that in such scheme, as shown in figure 3, the positioning port 103 on optical film material 101 generally can set
It is set to a through-hole structure, and the positioning port 103 on diffuser plate 102 then generally could be arranged to gap structure.Will be understood
, here do not limit to the concrete structure of positioning port 103.
Additionally, when the width of frame is less than a predetermined value it is impossible to the space meeting setting locating dowel 203 in glue frame 200 will
When asking (as display floater arranges the Pad offside of flexible PCB), in order to prevent optical film material 101 and diffuser plate 102 further
There is double swerve it is preferred that as shown in Figure 6 to 8, both sides wall part 2012 and the described positioning tab of described locating notch
It is formed with gap between 100;Described fixture 300 also includes:Card article part 303, one end of described card article part 303 is connected to
Described card frame portion is divided on 301, the other end be installed on described positioning tab 100 and described locating notch both sides wall part 2012 it
Between formed described gap in.
Using such scheme, when the width of frame is less than a predetermined value it is impossible to meet setting locating dowel 203 in glue frame 200
Space requirement when (as display floater arrange flexible PCB Pad offside), determining on optical film material 101 and diffuser plate 102
The narrower width that stretches out that position lug 100 need to make, and be formed with and the both sides wall part 2012 of described locating notch between
Gap, recycles the card article part 303 on fixture 300 to be installed on the both sides wall portion of positioning tab 100 and described locating notch
Divide in the described gap being formed between 2012, optical film material 101 and diffuser plate 102 further to be positioned and fixes,
Prevent optical film material 101 and diffuser plate 102 from rocking.
Additionally, it is preferred that described backlight module also includes in backlight module provided by the present invention:It is arranged on described glue
The barrier bed that is peripheral and at least covering described locating notch of frame 200.Blocked by the setting in the outside of described locating notch
Layer, can prevent light leak, prevent foreign matter.Preferably, described barrier bed can be the locating notch periphery being pasted on glue frame 200
White tape.
A kind of preferred embodiment of backlight module provided by the present invention illustrated below.
In liquid crystal indicator, display floater includes arranging the Pad side of flexible PCB and is not provided with flexible PCB
Due to the presence of flexible PCB, frame is wider for the Pad side of Pad offside, wherein display floater, disclosure satisfy that in glue frame 200
The space requirement of setting locating dowel 203, and the Pad offside of display floater then frame narrower it is impossible to enough meet set in glue frame 200
Put the space requirement of locating dowel 203.
Therefore, it is preferred that the Pad offside in the Pad side of display floater and display floater can be using not in the present embodiment
To realize the fixation of the optical texture such as optical film material 101 and diffuser plate 102 with fixed form.
It is illustrated in figure 1 the schematic diagram of the fixed form in the Pad side optical film material 101 of display floater and diffuser plate 102;
It is illustrated in figure 4 the schematic diagram of the fixture 300 being adopted in the Pad side of display floater.It is illustrated in figure 5 in display floater
The schematic diagram of the fixed form of Pad offside optical film material 101 and diffuser plate 102;It is illustrated in figure 8 Pad pair in display floater
The schematic diagram of the fixture 300 that side is adopted.
As shown in Figures 1 to 8, the backlight module that the present embodiment is provided includes:
Optical film material 101 and diffuser plate 102, are equipped with to extension at the marginal position of optical film material 101 and diffuser plate 102
The positioning tab 100 stretched;
Be arranged at the glue frame 200 of the periphery of optical film material 101 and diffuser plate 102, described glue frame 200 with positioning tab
It is formed with locating notch, positioning tab 100 is inserted in described locating notch, described locating notch at 100 corresponding positions
For opening up breach, it includes:Bottom surface portions 2011;And, positioned at the two side of the opposite sides of described positioning tab 100
Part 2012;
And be arranged in described locating notch, for described positioning tab 100 is fixed on consolidating in described locating notch
Determine part 300, described fixture 300 includes:
The card frame portion being arranged in described locating notch divides 301, the positioning tab 100 of optical film material 101 and diffuser plate 102
Divide between 301 and the bottom surface portions 2011 of described locating notch positioned at described card frame portion, described card frame portion divides at least of 301
Point can be installed between the both sides wall part 2012 of described locating notch, described positioning tab 100 is pressed in described positioning
On the bottom surface portions 2011 of breach;
And grab part 302, one end of described grab part 302 is connected to described card frame portion and divides on 301, the other end and institute
State buckling groove 204 to be connected together;
Wherein, in the Pad side of display floater,
The bottom surface portions 2011 of described locating notch are also provided with the locating dowel 203 raising up, described convex
Positioning port 103 with the cooperation of described locating dowel 203 is provided with ear 100, described locating dowel 203 is inserted in described positioning port 103;
In the Pad offside of display floater,
It is formed with gap between the both sides wall part 2012 of described locating notch and described positioning tab 100;Described fixation
Part 300 also includes:Card article part 303, one end of described card article part 303 is connected to described card frame portion and divides on 301, other end card
It is contained in the described gap formed between described positioning tab 100 and the both sides wall part 2012 of described locating notch.
In the backlight module that the present embodiment is provided, in Pad side and the Pad offside of display floater, according to border width not
Same, it has been respectively adopted two kinds of fixed forms that optical film material 101 and diffuser plate 102 are fixed, display floater can have been met
Border width require, and ensure that fix tightly solidity.
It should be noted that in other embodiments of the invention, the frame according to display floater requires it is also possible to show
Show that the Pad side of panel and Pad offside all realize optical film material 101 and the fixation of diffuser plate 102, example using same fixed form
As:All optical film material is realized using the first fixed form as shown in Figures 2 to 4 in the Pad side of display floater and Pad offside
101 and the fixation of diffuser plate 102, or, in the Pad side of display floater and Pad offside all using as shown in Figure 6 to 8
Two kinds of fixed forms realize optical film material 101 and the fixation of diffuser plate 102.
Additionally, the present invention's a further object is a kind of display device of offer, including backlight module as above.
The above is the preferred embodiment of the present invention it is noted that for those skilled in the art
For, on the premise of without departing from principle of the present invention, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of backlight module is it is characterised in that include:
It is equipped with, at least two-layer optical texture, at least marginal position of two-layer optical texture, the positioning tab stretching out;
The glue frame of at least periphery of two-layer optical texture described in being arranged at, described glue frame is in the position corresponding with described positioning tab
The place of putting is formed with locating notch, and described positioning tab is inserted in described locating notch;
And, it is arranged at the fixture in described locating notch, for being fixed on described positioning tab in described locating notch;
Described locating notch includes:Bottom surface portions;And, positioned at the both sides wall part of the opposite sides of described positioning tab;
Described fixture includes:The card frame portion being arranged in described locating notch is divided, at least the positioning tab of two-layer optical texture
Divide and the bottom surface portions of described locating notch between positioned at described card frame portion, at least a portion that described card frame portion is divided being capable of clamp
Between the both sides wall part of described locating notch, described positioning tab is pressed on the bottom surface portions of described locating notch;
Wherein, the width in the frame of display floater is less than the side of a predetermined value,
It is formed with gap between the both sides wall part of described locating notch and described positioning tab;
Described fixture also includes:Card article part, one end of described card article part is connected to described card frame portion and divides, other end card
It is contained in the described gap formed between described positioning tab and the both sides wall part of described locating notch.
2. backlight module according to claim 1 it is characterised in that
The bottom surface portions of described locating notch are provided with buckling groove;
Described fixture also includes:Grab part, one end of described grab part is connected to described card frame portion and divides, the other end with
Described buckling groove is connected together.
3. backlight module according to claim 1 it is characterised in that
Reach the opposite side of a predetermined value in the width of the frame of display floater,
It is additionally provided with lead at least one sidewall sections in the both sides wall part of described locating notch;
Described card frame portion divide with described lead correspondence position be provided with described lead cooperation gathering sill.
4. backlight module according to claim 1 it is characterised in that
Reach the opposite side of a predetermined value in the width of the frame of display floater,
The bottom surface portions of described locating notch are additionally provided with the locating dowel raising up, described positioning tab is provided with described
The positioning port of locating dowel cooperation.
5. backlight module according to claim 1 it is characterised in that
Described backlight module also includes:
It is arranged on the periphery of described glue frame and at least cover the barrier bed of described locating notch.
6. a kind of display device is it is characterised in that include the backlight module as described in any one of claim 1 to 5.
Priority Applications (1)
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CN201410418781.6A CN104197242B (en) | 2014-08-22 | 2014-08-22 | Backlight module and display device |
Applications Claiming Priority (1)
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CN201410418781.6A CN104197242B (en) | 2014-08-22 | 2014-08-22 | Backlight module and display device |
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CN104197242A CN104197242A (en) | 2014-12-10 |
CN104197242B true CN104197242B (en) | 2017-02-08 |
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CN201410418781.6A Active CN104197242B (en) | 2014-08-22 | 2014-08-22 | Backlight module and display device |
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CN108594503A (en) * | 2015-06-29 | 2018-09-28 | 青岛海信电器股份有限公司 | A kind of display device and glue frame and backboard for display device |
CN107765477B (en) * | 2016-08-23 | 2023-10-13 | 京东方科技集团股份有限公司 | Film material, backlight module and display device |
CN106773230A (en) * | 2017-03-15 | 2017-05-31 | 奥捷科技(厦门)有限公司 | No frame shows product structure |
CN206773348U (en) * | 2017-06-14 | 2017-12-19 | 京东方科技集团股份有限公司 | Backlight module and terminal |
CN109813056B (en) * | 2019-03-06 | 2024-03-29 | 刘义 | Plate layer for vacuum freeze dryer and preparation method thereof |
WO2021097708A1 (en) * | 2019-11-20 | 2021-05-27 | 京东方科技集团股份有限公司 | Electronic device, display apparatus, and backlight module |
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