CN208805654U - A kind of backlight module and display device - Google Patents
A kind of backlight module and display device Download PDFInfo
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- CN208805654U CN208805654U CN201821630055.0U CN201821630055U CN208805654U CN 208805654 U CN208805654 U CN 208805654U CN 201821630055 U CN201821630055 U CN 201821630055U CN 208805654 U CN208805654 U CN 208805654U
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- backboard
- backlight module
- light
- buffer layer
- plate
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Abstract
The utility model belongs to display device technology field, discloses a kind of backlight module and display device.The backlight module includes backboard, the light source on the backboard and the reflective film being installed on backboard, the reflective film include the buffer layer being coated on backboard and be coated on buffer layer be used for reflection light reflecting layer, in this way, being coated with buffer layer and reflecting layer on backboard, in this way, on the one hand it can be used to implement reflection light, on the other hand the thickness of backlight module can be reduced by improving light utilization, achieve the purpose that product is thinned, improves the aesthetics of product.
Description
Technical field
The utility model belongs to display device technology field, further relates to a kind of backlight module and display device.
Background technique
With the development of science and technology, electronic equipment (such as smart phone, laptop, digital camera etc.) is increasingly
It is universal, so that the demand of the liquid crystal display device of the important component as electronic equipment also greatly promotes, to push liquid
The fast development of LCD panel industry.
Backlight module in liquid crystal display device generallys use LED (Light Emitting Diode, light emitting diode)
Energy consumption is reduced as light source in order to improve the utilization rate of light, it usually needs it is realized using reflector plate, and the thickness of reflector plate
Usually 0.3 millimeter or bigger, when facing increasingly strong slimming product demand, since the thickness of reflector plate is larger,
It is not suitable for the demand in slimming product market.
Utility model content
The purpose of this utility model is to provide a kind of backlight modules, it is intended to solve backlight module because reflector plate thickness compared with
The technical issues of being not suitable for the product slimming market demand greatly.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of backlight module, comprising:
Backboard；
Light source is installed on the backboard, for providing light；
Reflective film is set on the backboard, is used for reflection light；
The reflective film includes the buffer layer being set on the backboard and is set on the buffer layer for anti-
Penetrate the reflecting layer of light.
In one embodiment, the reflective film with a thickness of 0.06~0.1mm.
In one embodiment, the buffer layer is arranged by any one mode in bonding, hot pressing, printing, coating
In on the backboard.
In one embodiment, the backlight module further includes the equalizing light rays diffusion for transferring out the light source
Optical diaphragm, the optical diaphragm is set to the side of the backboard.
In one embodiment, the backlight module further includes the support frame for being used to support the optical diaphragm, the branch
Support frame is set on the backboard.
In one embodiment, the backboard includes plate and perpendicular to the plate and supports the vertical of the support frame
Plate, the light source are installed on the vertical plate, and the vertical plate is located at the edge of the plate.
In one embodiment, the vertical plate is formed by the edge bending of the plate.
In one embodiment, it is additionally provided on the backboard for will be in the heat transfer of the light source to the vertical plate
Heat-conducting glue, the light source are bonded on the vertical plate by the heat-conducting glue.
The purpose of this utility model also resides in another backlight module of offer, comprising:
Backboard；
Light guide plate is installed on the backboard, and the side of the light guide plate is incident side, and the light guide plate is far from the back
The one side of plate is light emission side；
Light source is installed on the backboard and is located at the incident side of the light guide plate, for providing light；
Reflective film is set between the backboard and the light guide plate, is used for reflection light；
The reflective film includes hot pressing, prints or coated on buffer layer and hot pressing on the backboard, printing or painting
It is overlying on the reflecting layer that reflection light is used on the buffer layer；
The buffer layer with a thickness of 0.05mm, the thickness in the reflecting layer is less than 0.05mm.
The another object of the utility model is to provide a kind of display device, including display panel and backlight module, described
Backlight module is any backlight module as described above.
The beneficial effect of backlight module provided by the utility model is: the backlight module of the utility model passes through in backboard
Upper setting reflective film, i.e., be formed directly with buffer layer and reflecting layer on backboard, bans separately installed reflecting plate, in this way,
On the one hand it can be used to implement reflection light, on the other hand the thickness of backlight module can be reduced, reach by improving light utilization
The purpose of product slimming, improves the aesthetics of product.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Required practical attached drawing is briefly described in description, it should be apparent that, the accompanying drawings in the following description is only the present embodiment
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram without light guide plate in a kind of backlight module of the utility model embodiment proposition；
There is the structural schematic diagram of light guide plate in a kind of backlight module that Fig. 2 proposes for the utility model embodiment；
Fig. 3 is the structural schematic diagram for another backlight module that the utility model embodiment proposes；
Fig. 4 is the display device structure schematic diagram that the utility model embodiment proposes.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or it may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can be with
It is directly to another element or may be simultaneously present centering elements.
In addition, it should also be noted that, positional terms such as left and right, upper and lower in the utility model embodiment, are only mutual
Be relative concept or with the normal operating condition of product be reference, and should not be regarded as it is restrictive below in conjunction with
The realization of the utility model is described in detail in specific embodiment.
As shown in figures 1-4, the present embodiment proposes a kind of backlight module, including backboard 1, is equipped with light on the backboard 1
Source 3, the light source 3 can be used for providing light, in addition, above-mentioned backlight module further includes reflective film 4, which is installed on
On above-mentioned backboard 1, optionally, above-mentioned reflective film 4 includes buffer layer 41, which is coated on above-mentioned backboard 1, upper
It states and is coated with one layer of reflecting layer 42 on buffer layer 41, which is arranged on buffer layer 41.In this way, by being set on backboard 1
Reflective film 4 is set, i.e., is formed directly with buffer layer 41 and reflecting layer 42 on backboard 1, bans separately installed reflecting plate, a side
Face can be used to implement reflection light, on the other hand the thickness of backlight module can be reduced, reach product by improving light utilization
The purpose of slimming improves the aesthetics of product.
In one embodiment, above-mentioned reflective film 4 with a thickness of 0.06~0.1mm.Specifically, in the present embodiment,
The thickness of above-mentioned buffer layer 41 may be configured as 0.03mm, 0.04mm, 0.05mm, and the thickness in above-mentioned reflecting layer 42 may be configured as
0.04mm, 0.03mm, 0.02mm are arranged in this way, to guarantee the thinner thickness of above-mentioned reflective film 4, thereby reduce
The thickness of entire backlight module, reaches the purpose of product slimming.
In one embodiment, above-mentioned buffer layer 41 can be covered in above-mentioned backboard by way of hot pressing, bonding or printing
On 1, by using aforesaid way, so that the thickness of reflective film 4 is smaller, avoid solid using other fixed forms such as screw
Determine, buckle the phenomenon that of causing backlight module thickness to increase such as fixed, certainly, in the present embodiment, above-mentioned buffer layer 41 is also
It can be set to by way of coating on above-mentioned backboard 1, not limited uniquely herein.For example, being coated with a thickness on backboard
About 0.05mm buffer layer 41 is spent, the reflecting layer 42 that a layer thickness is less than 0.05mm is coated, substitutes reflector plate.
In one embodiment, referring to Fig. 2, a kind of specific embodiment party as backlight module provided by the utility model
Formula, above-mentioned backlight module further include optical diaphragm 5, which is set to the side of backboard 1, in this way, passing through setting optical film
Piece 5, the light which is used to transfer out light source 3 carry out optical treatment and make light more uniformization, avoids
In actual production because due to close to light source 3 side light crescendo, and far from light source 3 side light it is weaker caused by light
Non-uniform phenomenon occurs.
In one embodiment, referring to Fig. 2, a kind of specific embodiment party as backlight module provided by the utility model
Formula, above-mentioned backlight module further include support frame 6, which is set on above-mentioned backboard 1, in this way, by setting support frame 6,
So as to preferably support above-mentioned optical diaphragm 5.
In one embodiment, referring to Fig. 3, opening up fluted 60 on above-mentioned support frame 6, the optical diaphragm 5 inserting
In the groove 60, in this way, by the way that above-mentioned optical diaphragm 5 is plugged in above-mentioned groove 60, so as to increase optical diaphragm 5
Stability guarantees that optical diaphragm 5 will not shake.Specifically, the cross section of above-mentioned groove 60 is U-shaped, so as to preferably will be upper
Optical diaphragm 5 is stated to be fixed, certainly, according to the actual situation and specific requirements, above-mentioned groove 60 may be alternatively provided as other shapes,
It does not limit uniquely herein.
In one embodiment, the L-shaped setting in cross section of above-mentioned support frame 6, by setting L for above-mentioned support frame 6
Type ensure that under the premise of supporting optical diaphragm 5 to stablize, so that backlight module is more compact, save occupied space.Certainly,
Above-mentioned support frame 6 may be alternatively provided as other shapes, not limit uniquely herein.
In one embodiment, referring to Fig. 3, a kind of specific embodiment party as backlight module provided by the utility model
Formula, above-mentioned backboard 1 include plate 11, and erectting in one end of the plate 11 has vertical plate 12, and above-mentioned light source 3 is installed on above-mentioned vertical plate 11
On, above-mentioned reflective film 4 is set on above-mentioned plate 11, and above-mentioned vertical plate 12 is formed by above-mentioned 11 bending of plate, in this way, passing through
It is set as L-type, on the one hand, light guide plate 2 and reflective film 4 can be protected to damage from the external world, on the other hand, but also backlight module
It is more compact, save occupied space.Certainly, above-mentioned plate 11 also can be combined to other shapes with vertical plate 12, not make herein unique
It limits.
In one embodiment, above-mentioned backboard 1 is made of iron material, since iron has a good thermal conductivity, intensity is high,
And price is low, so as to preferably protect light guide plate 2 from damage.Certainly, according to the actual situation and specifically, above-mentioned backboard 1
It can be made of other materials such as aluminiums, not do unique restriction herein.
In one embodiment, referring to Fig. 1, a kind of specific embodiment party as backlight module provided by the utility model
Formula is additionally provided with heat-conducting glue 7 on above-mentioned backboard 1, and above-mentioned light source 3 is bonded on above-mentioned vertical plate 12 by heat-conducting glue 7, in this way, passing through
One layer of heat-conducting glue 7 is set between light source 3 and backboard 1, is transferred to so as to the heat that generates light source 3 by heat-conducting glue 7 vertical
It on plate 12, and is shed by vertical plate 12, increases radiating efficiency, improve the service life of light source 3.
In the present embodiment, another backlight module is additionally provided, referring to Fig. 2, the backlight module includes backboard, at this
Light guide plate 2 and light source 3 are installed, and the side of above-mentioned light guide plate 2 is incident side on backboard 1, above-mentioned light guide plate 2 is far from backboard 1
One side be light emission side, which is set to the incident side of above-mentioned light guide plate 2, in addition, above-mentioned backlight module further includes that reflection is thin
Film 4, the reflective film 4 are installed between above-mentioned backboard 1 and light guide plate 2, and optionally, above-mentioned reflective film 4 includes buffer layer 41,
The buffer layer 41 is coated on above-mentioned backboard 1, and one layer of reflecting layer 42, and above-mentioned buffer layer are coated on above-mentioned buffer layer 41
With a thickness of 0.05mm, the thickness in above-mentioned reflecting layer is less than 0.05mm.In this way, by being coated with buffer layer 41 and anti-on backboard 1
Penetrate layer 42, and the buffer layer with a thickness of 0.05mm, the thickness in the reflecting layer is less than 0.05mm, in this way, on the one hand can lead to
Reflection of the realization of reflecting layer 42 to light is crossed, on the other hand the thickness of backlight module can be reduced, reach by improving light utilization
The purpose of product slimming, improves the aesthetics of product, in addition, by setting buffer layer 41, to prevent light guide plate 2 by backboard
1 scratches.In the present embodiment, above-mentioned buffer layer 41 can also be set to by other means on above-mentioned backboard 1, such as hot pressing or print
The modes such as brush, certainly, in the present embodiment, above-mentioned reflecting layer 42 can also be set to above-mentioned buffering by modes such as hot pressing or printings
On layer 41, do not limit uniquely herein.
In one embodiment, above-mentioned light guide plate 2 using PMMA (Poly Methyl Meth-Acrylate, acrylic),
PC (Poly Carbonate, polycarbonate) material preparation, due to material refractive index with higher, so as to preferably will
The light of above-mentioned light source 3 realizes refraction and total reflection, guarantees that light is exported along assigned direction.Certainly, in the present embodiment, on
Stating light guide plate 2 can also prepare in other materials, not limit uniquely herein.
In this embodiment, a kind of display device is additionally provided, referring to Fig. 1, the display device includes display panel 8 and back
Optical mode group, which can be used for providing illumination for above-mentioned display panel 8, and the backlight module is backlight mould as described above
Group does not repeat herein.
In the present embodiment, it by the way that reflective film is arranged, so as to will transmit through the light reflection of above-mentioned light guide plate, enhances
The utilization rate of light；By the way that buffer layer 41 and reflecting layer 42 are arranged on plate 11, in this way, on the one hand can be used to implement reflected light
Line, on the other hand the thickness of backlight module can be reduced by improving light utilization, achieved the purpose that product is thinned, improved product
Aesthetics.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of backlight module characterized by comprising
Backboard；
Light source is installed on the backboard, for providing light；
Reflective film is set on the backboard, is used for reflection light；
The reflective film includes the buffer layer being set on the backboard and is set on the buffer layer for reflected light
The reflecting layer of line.
2. a kind of backlight module as described in claim 1, which is characterized in that the reflective film with a thickness of 0.06~
0.1mm。
3. a kind of backlight module as described in claim 1, which is characterized in that the buffer layer by bonding, hot pressing, printing,
Any one mode in coating is set on the backboard.
4. a kind of backlight module as described in claim 1, which is characterized in that the backlight module further includes for making the light
The optical diaphragm for the equalizing light rays diffusion that source transfers out, the optical diaphragm are set to the side of the backboard.
5. a kind of backlight module as claimed in claim 4, which is characterized in that the backlight module further include be used to support it is described
The support frame of optical diaphragm, the support frame are set on the backboard.
6. a kind of backlight module as claimed in claim 5, which is characterized in that the backboard includes plate and perpendicular to described
Plate and the vertical plate for supporting the support frame, the light source are installed on the vertical plate, and the vertical plate is located at the side of the plate
Edge.
7. a kind of backlight module as claimed in claim 6, which is characterized in that the vertical plate by the edge bending of the plate and
At.
8. a kind of backlight module as claimed in claim 7, which is characterized in that be additionally provided on the backboard for by the light source
Heat transfer to the vertical plate on heat-conducting glue, the light source is bonded on the vertical plate by the heat-conducting glue.
9. a kind of backlight module characterized by comprising
Backboard；
Light guide plate is installed on the backboard, and the side of the light guide plate is incident side, and the light guide plate is far from the backboard
It is on one side light emission side；
Light source is installed on the backboard and is located at the incident side of the light guide plate, for providing light；
Reflective film is set between the backboard and the light guide plate, is used for reflection light；
The reflective film includes hot pressing, printing or coated on the buffer layer on the backboard and hot pressing, prints or be coated on
The reflecting layer of reflection light is used on the buffer layer；
The buffer layer with a thickness of 0.05mm, the thickness in the reflecting layer is less than 0.05mm.
10. display device, including display panel and backlight module, which is characterized in that the backlight module is such as claim 1-8
Described in any item backlight modules；
Or
The backlight module is backlight module as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821630055.0U CN208805654U (en) | 2018-09-30 | 2018-09-30 | A kind of backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821630055.0U CN208805654U (en) | 2018-09-30 | 2018-09-30 | A kind of backlight module and display device |
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| Publication Number | Publication Date |
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| CN208805654U true CN208805654U (en) | 2019-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821630055.0U Active CN208805654U (en) | 2018-09-30 | 2018-09-30 | A kind of backlight module and display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110120183A (en) * | 2019-05-29 | 2019-08-13 | 昆山国显光电有限公司 | A kind of display panel and preparation method thereof, display device |
| CN111862835A (en) * | 2020-07-02 | 2020-10-30 | Tcl华星光电技术有限公司 | Display back plate, manufacturing method thereof and display device |
-
2018
- 2018-09-30 CN CN201821630055.0U patent/CN208805654U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110120183A (en) * | 2019-05-29 | 2019-08-13 | 昆山国显光电有限公司 | A kind of display panel and preparation method thereof, display device |
| CN111862835A (en) * | 2020-07-02 | 2020-10-30 | Tcl华星光电技术有限公司 | Display back plate, manufacturing method thereof and display device |
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