CN207796780U - A kind of backlight module - Google Patents
A kind of backlight module Download PDFInfo
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- CN207796780U CN207796780U CN201820301488.5U CN201820301488U CN207796780U CN 207796780 U CN207796780 U CN 207796780U CN 201820301488 U CN201820301488 U CN 201820301488U CN 207796780 U CN207796780 U CN 207796780U
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- backlight module
- reflection
- frame
- hollow portion
- proof object
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Abstract
The utility model provides a kind of backlight module, including optical film, light guide plate, reflector plate, light source led, lower frame and middle metal frame；The optical film is placed in the light guide plate front, and the reflector plate is placed in the guide-lighting back, and the light source led is placed in the light guide plate side, support construction of the lower frame as backlight module；The middle metal frame has frame main body and bends downward the side frame extended to form by frame main body；Hollow portion is formed in the middle part of the frame main body；The lateral edges of the hollow portion are provided with reflection-proof object.Multiple occlusions are set on the face that the reflection-proof object is in contact with the hollow portion, the occlusion structure that it is arranged on the face that the hollow portion is in contact with the reflection-proof object is made to be adapted.The reflective of the middle metal frame inner surface is reduced, the reflective of the middle metal frame hollow portion lateral edges is also reduced；The use glued to single side can be removed, reduce process and cost-effective.
Description
Technical field
The utility model is related to backlight technology fields, and in particular to a kind of backlight module.
Background technology
Relatively large sized backlight module, frequently with 7 α of middle metal frame, as shown in Fig. 1.Presently, there are the problem of be
71 α of inner surface of 7 α of middle metal frame be susceptible to it is reflective, and the lateral edges of 9 α of the hollow portion often occur part it is bright
Line.Reason is that ray cast that 7 α of middle metal frame is reflected on 31 α of upper bright enhancement film, produces shadow, causes anti-
Light.
The scheme solved at present is that stickup black or the single side of grey are viscous on 71 α of inner surface of 7 α of middle metal frame
10 α prevent 71 α of the inner surface from reflective, as shown in Figure 2.Light is sent out from 4 α of light source led, through 1 α of light guide plate and optical film 3
α（33α、32α、31α）It projects.Some light is mapped to the lateral edges of 9 α of the hollow portion, and is reflected on 31 α of bright enhancement film, shape
At 11 α of edge part bright line region, as shown in Figure 3.The program can only solve the problems, such as that 71 α's of the inner surface is reflective, cannot solve
The reflective problem of the certainly described 9 α lateral edges of hollow portion.As shown in figure 4, the lateral edges of 9 α of hollow portion are anti-when tiltedly being seen for human eye
Light can influence visual effect.
Utility model content
For problems of the prior art, the utility model provides a kind of backlight module, reduces the middle metal
Frame inner surface it is reflective, also reduce the reflective of the middle metal frame hollow portion lateral edges, promote backlight effect；It can remove to single side
Viscous use reduces process and cost-effective.
In order to solve the above-mentioned technical problem, the solution of the utility model is：
A kind of backlight module, including optical film, light guide plate, reflector plate, light source led, lower frame and middle metal frame；The optics
Film is placed in the light guide plate front, and the reflector plate is placed in the guide-lighting back, and the light source led is placed in the light guide plate one
Side, support construction of the lower frame as backlight module；The middle metal frame, which has frame main body and bent downward by frame main body, to be prolonged
Stretch the side frame to be formed；Hollow portion is formed in the middle part of the frame main body；The lateral edges of the hollow portion are provided with reflection-proof object.
As a kind of improvement of backlight module provided by the utility model, the thickness of the reflection-proof object and the middle metal
Frame is identical.
As a kind of improvement of backlight module provided by the utility model, connect with the hollow portion in the reflection-proof object
Multiple occlusions are set on tactile face.
As a kind of improvement of backlight module provided by the utility model, the thickness of the occlusion and the reflection-proof object
It is identical.
As a kind of improvement of backlight module provided by the utility model, the reflection-proof object and the occlusion are all made of
Elastic material.
As a kind of improvement of backlight module provided by the utility model, the elastic material is plastic cement or rubber.
As a kind of improvement of backlight module provided by the utility model, the reflection-proof object and the middle metal frame one
Injection molding.
As a kind of improvement of backlight module provided by the utility model, connect with the reflection-proof object in the hollow portion
Occlusion structure is set on tactile face, is adapted with the occlusion.
As a kind of improvement of backlight module provided by the utility model, the occlusion structure includes multiple spaced apart
Occlusal crib and snap studs.
Compared with prior art, the utility model has the beneficial effects that：
Reflection-proof object is set in the lateral edges of the hollow portion, blocks the corresponding center inner surface and described hollow
The lateral edges in portion reduce the reflective of the middle metal frame being applied in relatively large sized backlight module, also reduce the middle gold
Belong to the reflective of frame hollow portion lateral edges, promotes whole backlight effect；Can remove to single side glue use, reduce process and save at
This.
Description of the drawings
Fig. 1 is prior art back light module unit structure schematic diagram；
Fig. 2 is to paste the viscous back light module unit structure schematic diagram of single side；
Fig. 3 is to form reflective light path schematic diagram；
Fig. 4 is reflective schematic diagram when human eye is tiltedly seen；
Fig. 5 be the utility model proposes a kind of back light module unit structure schematic diagram；
Fig. 6 be the utility model proposes a kind of reflection-proof object overlooking structure diagram；
Fig. 7 be the utility model proposes a kind of occlusion structural schematic diagram；
Fig. 8 be the utility model proposes a kind of occlusion structure schematic diagram.
Specific implementation mode
The utility model provides a kind of backlight module, including optical film, light guide plate, reflector plate, light source led, lower frame and
Middle metal frame；The optical film is placed in the light guide plate front, and the reflector plate is placed in the guide-lighting back, the light source
LED is placed in the light guide plate side, support construction of the lower frame as backlight module；The middle metal frame have frame main body and
The side frame extended to form is bent downward by frame main body；Hollow portion is formed in the middle part of the frame main body；In the side of the hollow portion
Edge is provided with reflection-proof object.The reflective of the middle metal frame inner surface being applied in relatively large sized backlight module is reduced,
The reflective of the middle metal frame hollow portion is reduced, whole backlight effect is promoted；Can remove to single side glue use, reduce process and
It is cost-effective.
The utility model is described in detail with reference to the accompanying drawings and examples, the examples of the embodiments are in attached drawing
In show, in which the same or similar labels are throughly indicated same or similar elements or with the same or similar functions
Element.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the utility model, and cannot understand
For limitations of the present invention.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the utility model.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
Calmly ", the terms such as " setting " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, can also be electrical connection；It can be directly connected, can also may be used also indirectly connected through an intermediary
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Embodiment 1
As shown in figure 5, its display the utility model proposes a kind of backlight module, including optical film 3（33、32、31）, lead
Tabula rasa 1, reflector plate 2, light source led 4, FPC5, lower frame 6 and middle metal frame 7；The optical film 3（33、32、31）It is placed in described lead
1 front of tabula rasa, the reflector plate 2 are placed in 1 back side of the light guide plate, and the light source led 4 is placed in 1 side of the light guide plate, described
Support construction of the lower frame 6 as backlight module；The middle metal frame 7 has frame main body 75 and bends downward extension shape by frame main body
At side frame 74；Hollow portion 9 is formed at 75 middle part of the frame main body；The lateral edges of the hollow portion 9 are provided with reflection-proof object
20, as shown in fig. 6, the upper surface of itself and the side 71 of the hollow portion 9 and the middle metal frame 7 72 and following 73 can be made to paste.
The thickness of the reflection-proof object 20 is identical as the middle metal frame 7, annular in shape, and side is cyclic annular or circular, specific shape
Shape is depending on 97 interior surface shape of the hollow portion.
It is further improved, multiple occlusions is set on the face that the reflection-proof object 20 is in contact with the hollow portion 9
201, it is triangle or rectangular, as shown in fig. 7, other are easy to the shape of cooperation.Using with the reflection-proof object 20
Identical material, in order to process and assemble.The reflection-proof object 20 and the occlusion 201 are all made of elastic material.It can be used
The plastic cement of black or grey, reflecting rate is low, retroreflective projection of the reduction light in the upper layer optical film 31.Rubber can also be used
Glue.By the elasticity of elastic material, the reflection-proof object 20 is made to be easily installed adjustment.The thickness of the reflection-proof object 20 with it is described
Middle metal frame 7 is identical, and the thickness of the occlusion 201 is preferred but does not limit identical as the reflection-proof object 20.
Be further improved, the reflection-proof object 20 and the middle metal frame 7 can integrated injection molding, it is easy to process.
It is further improved, occlusion structure 701 is set on the side 71 comprising multiple spaced apart occlusal cribs
703 and snap studs 702, it is matched with the occlusion 201, as shown in Figure 8；Preferably, the snap studs 702 are preferably Y
Font structure.The shape of the occlusal crib 703 and the snap studs 702 is adapted with the occlusion 201, and there are certain
Fit clearance.The thickness of the occlusion structure 701 is identical as the thickness of the occlusion 201.The occlusion 201 is pressed from upper
Direction under is inserted in the occlusion structure 701, is secured to by the elastic properties of materials effect of the occlusion 201.
It is further improved, the middle metal frame 7 is metal frame, and glue frame also can be used.The lower frame 6 is metal frame.More
Preferably, light screening material 8 is coated in 7 outer surface of middle metal frame, reduces influence of the spurious rays to display effect, can be used
Shading glue or foam rubber.
It is further improved, the reflector plate 2 is placed in the back side of the light guide plate 1, and the light reflection that bottom surface is exposed is returned to
In the light guide plate 1, the service efficiency of light is improved.The optical film 3 is placed in the front of the light guide plate 1 comprising diffusion barrier
33, lower bright enhancement film 32 and the i.e. upper bright enhancement film of upper layer optical film 31.The diffusion barrier 33 primarily serves the effect for correcting diffusion angle,
So that light radiation area is increased, but reduces the luminous intensity of unit area to a certain extent.Add lustre to 32 and upper bright enhancement film under described
31 are placed in 33 side of the diffusion barrier, and the dispersed light that light source is sent out is assembled to positive direction, to improve display brightness.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
The scope of protection of the utility model is also should be regarded as into replacement.
Claims (9)
1. a kind of backlight module, which is characterized in that including optical film, light guide plate, reflector plate, light source led, lower frame and middle metal
Frame；The optical film is placed in the light guide plate front, and the reflector plate is placed in the guide-lighting back, and the light source led is placed in
The light guide plate side, support construction of the lower frame as backlight module；The middle metal frame has frame main body and by frame master
Body bends downward the side frame extended to form；Hollow portion is formed in the middle part of the frame main body；It is arranged in the lateral edges of the hollow portion
There is reflection-proof object.
2. backlight module according to claim 1, which is characterized in that the thickness of the reflection-proof object and the middle metal frame
It is identical.
3. backlight module according to claim 1 or 2, which is characterized in that in the reflection-proof object and the hollow portion phase
Multiple occlusions are set on the face of contact.
4. backlight module according to claim 3, which is characterized in that the thickness of the occlusion and the reflection-proof object phase
Together.
5. backlight module according to claim 3, which is characterized in that the reflection-proof object and the occlusion are all made of bullet
Property material.
6. backlight module according to claim 5, which is characterized in that the elastic material is plastic cement or rubber.
7. backlight module according to claim 1, which is characterized in that the reflection-proof object is integrally noted with the middle metal frame
It is moulded into type.
8. backlight module according to claim 3, which is characterized in that be in contact with the reflection-proof object in the hollow portion
Face on occlusion structure is set, be adapted with the occlusion.
9. backlight module according to claim 8, which is characterized in that the occlusion structure includes multiple spaced apart stings
Close slot and snap studs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820301488.5U CN207796780U (en) | 2018-03-05 | 2018-03-05 | A kind of backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820301488.5U CN207796780U (en) | 2018-03-05 | 2018-03-05 | A kind of backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207796780U true CN207796780U (en) | 2018-08-31 |
Family
ID=63275591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820301488.5U Active CN207796780U (en) | 2018-03-05 | 2018-03-05 | A kind of backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207796780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847583A (en) * | 2021-09-01 | 2021-12-28 | Oppo广东移动通信有限公司 | Light emitting module and electronic equipment |
-
2018
- 2018-03-05 CN CN201820301488.5U patent/CN207796780U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847583A (en) * | 2021-09-01 | 2021-12-28 | Oppo广东移动通信有限公司 | Light emitting module and electronic equipment |
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