CN208459730U - A kind of side entering type LED large area backlight structure - Google Patents
A kind of side entering type LED large area backlight structure Download PDFInfo
- Publication number
- CN208459730U CN208459730U CN201821167159.2U CN201821167159U CN208459730U CN 208459730 U CN208459730 U CN 208459730U CN 201821167159 U CN201821167159 U CN 201821167159U CN 208459730 U CN208459730 U CN 208459730U
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- Prior art keywords
- bottom frame
- large area
- type led
- entering type
- backlight structure
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 20
- 239000004411 aluminium Substances 0.000 claims abstract description 20
- 230000017525 heat dissipation Effects 0.000 claims abstract description 16
- 230000004888 barrier function Effects 0.000 claims abstract description 15
- 238000009792 diffusion process Methods 0.000 claims abstract description 15
- 239000003292 glue Substances 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a kind of side entering type LED large area backlight structures, including bottom frame, center, wiring board, LED light, radiate aluminium block, reflectance coating, light guide plate, lower diffusion barrier, lower bright enhancement film, upper bright enhancement film, the upper diffusion barrier in bottom frame are successively overlayed from the bottom up, equipped with heat dissipation aluminium block, and heat dissipation aluminium block is pasted onto position corresponding with LED light outside the bottom frame back side by heat-conducting glue, so that the heat transmission that generates when in use of LED on earth on the aluminium block in outer frame portion, improves heat dissipation effect, increases the service life of LED light.
Description
Technical field
The utility model relates to a kind of back light source structure more particularly to a kind of side entering type LED large area backlight structures.
Background technique
LED backlight includes two kinds of structures of straight-down negative and side entering type, wherein side entering type LED large area backlight technology, collection
The advantage for having closed ultra-thin, beautiful, LED, low-power consumption meets the demand of modern consumer.
The side entering type LED large area backlight product of exploitation design now, the major issue to be faced are exactly to dissipate
Heat problem, and heat dissipation problem is also a bigger problem in LED technology.Backlight requires hot reliability tighter
Lattice, the luminous efficiency crossed heat affecting circuit components performance, reduce LED light generate liquid crystal work when module does degradation
Unstable phenomenon.And the lamp bar quantity for developing the side entering type LED large area backlight requirement of volume production now is reduced, the power of lamp
It increases, it is higher to the cooling requirements of LED light bar.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
For above-mentioned problems of the prior art, the purpose of this utility model is to provide a kind of side entering type LED is big
Size back light source structure, it is intended to overcome the defect that heat dissipation effect is bad in existing side entering type LED large area backlight.
The technical solution of the utility model is as follows:
A kind of side entering type LED large area backlight structure, including bottom frame, center, wiring board, LED light, radiate aluminium block, and
Reflectance coating, light guide plate, lower diffusion barrier, lower bright enhancement film, upper bright enhancement film, the upper diffusion barrier in bottom frame are successively overlayed from the bottom up,
Wherein,
The center is located above bottom frame, and center is fixedly connected with the periphery of bottom frame；
The wiring board is located on the inner wall of bottom frame side；
The LED light is arranged in the circuit board, on the light direct beam to the side of light guide plate of sending；
The heat dissipation aluminium block is attached to and position corresponding with LED light outside the bottom frame back side by heat-conducting glue.
The side entering type LED large area backlight structure, wherein the side of the heat dissipation aluminium block passes through thermally conductive glue laminating
The bottom frame back side, the other side is equipped with multiple cooling fins in parallel, and has gap between abutting fins.
The side entering type LED large area backlight structure, wherein the wiring board is pasted onto bottom frame by heat-conducting glue
On the inner wall of side.
The side entering type LED large area backlight structure, further includes flexible circuit board (FPC), the flexible circuit board
One end is connect by FPC connector with wiring board, and the other end passes through bottom frame, and by sticking double faced adhesive tape at the bottom frame back side.
The side entering type LED large area backlight structure, wherein the edges at two ends of the light guide plate is equipped with locating piece,
The both ends corresponding position of lower diffusion barrier, lower bright enhancement film, upper bright enhancement film and upper diffusion barrier above light guide plate is equipped with positioning
Slot, the locating piece cooperation are stuck in locating slot.
The side entering type LED large area backlight structure, wherein the back side of the light guide plate is equipped with multiple reflective convex
Point.
The side entering type LED large area backlight structure, wherein the back side of the light guide plate is additionally provided with multiple bands.
The side entering type LED large area backlight structure, wherein the back side of the bottom frame is set far from one end of LED light
There is one layer of black film.
The side entering type LED large area backlight structure, wherein the back side of the bottom frame is additionally provided with fixed bit, described
Fixed bit is equipped with screw hole.
The utility model has the following beneficial effects: providing a kind of side entering type LED large area backlight structure, it is equipped with radiation aluminium
Block, and the aluminium block that radiates is pasted onto position corresponding with LED light outside the bottom frame back side by heat-conducting glue, so that LED is when in use
The heat transmission of generation on the aluminium block in outer frame portion, improves heat dissipation effect, increases the service life of LED light on earth.
Detailed description of the invention
Fig. 1 is the explosive view of the utility model.
Fig. 2 is the sectional view of the utility model.
Fig. 3 is the partial enlarged view of Fig. 2.
Fig. 4 is the schematic rear view of the utility model.
Fig. 5 is the stereoscopic schematic diagram of the light guide plate of the utility model.
Specific embodiment
The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as practical to this
Novel limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " first ",
" second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology
The quantity of feature.Define " first " as a result, the feature of " second " can explicitly or implicitly include it is one or more
The feature.The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific
It limits.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected or can mutually communicate；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model.
In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this
Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
As shown in Figs 1-4, the present embodiment is related to a kind of side entering type LED large area backlight structure, including bottom frame 1, center
2, wiring board 3, LED light 4, radiate aluminium block 5, and successively overlays reflectance coating 7, the light guide plate 8, lower expansion in bottom frame 1 from the bottom up
Dissipate film 9, lower bright enhancement film 10, upper bright enhancement film 11, upper diffusion barrier 12, wherein the center 2 is located at 1 top of bottom frame, center 2 and bottom
The periphery of frame 1 is fixedly connected；The wiring board 3 is located on 1 side inner wall of bottom frame；The LED light 4 is arranged in assist side 3, hair
On light direct beam out to the side of light guide plate 8；The heat dissipation aluminium block 5 is attached to and 1 back side of bottom frame outside and LED by heat-conducting glue 6
The corresponding position of lamp 4.The present embodiment is by setting heat dissipation aluminium block 5, and the aluminium block 5 that radiates is pasted onto the back of bottom frame 1 by heat-conducting glue 6
Position corresponding with LED light 4 outside face, so that the heat dissipation outside the heat transmission to bottom frame 1 that LED light 4 generates when in use
On aluminium block 5, heat dissipation effect is improved, increases the service life of LED light 4.
Preferably, the side of the heat dissipation aluminium block 5 is bonded 1 back side of bottom frame by heat-conducting glue 6, and the other side is equipped with multiple in parallel
Cooling fin 13, and have gap 14 between abutting fins 13.Heat through radiate 5 side of aluminium block be transferred to cooling fin 13, due to
The presence of gap 14 increases result of ventilating heat dissipation, the heat on cooling fin 13 can be accelerated to be dispersed into outside air, and continue to inhale
Receive the heat transmitted from 1 back side of bottom frame.
In the present embodiment, the wiring board 3 is pasted on the inner wall of 1 side of bottom frame by heat-conducting glue 6.It is easy for installation can
It leans on, while may insure that the heat of wiring board 3 can transmit well again.
The side entering type LED large area backlight structure further includes flexible circuit board (FPC) 15, the flexible circuit board
15 one end are connect by FPC connector 16 with wiring board 3, and the other end passes through bottom frame 1, and is carried on the back by sticking double faced adhesive tape in bottom frame 1
Face (as shown in Figure 3).In practical application, is connected, can be bent according to actual needs by flexible circuit board 15 and external power supply
Flexible circuit board 15, and it has the characteristics that thickness is small, can save space.
Descend that diffusion barrier 9, lower bright enhancement film 10, upper bright enhancement film 11 and upper diffusion barrier 12 are mobile relative to light guide plate in order to prevent and
Dislocation, the edges at two ends of the light guide plate 8 are equipped with locating piece 17, lower diffusion barrier 9, lower bright enhancement film 10 above light guide plate 8,
The both ends corresponding position of upper bright enhancement film 11 and upper diffusion barrier 12 is equipped with locating slot 18, and the cooperation of locating piece 17 is stuck in locating slot
In 18.
As shown in figure 5, the back side of the light guide plate 8 is equipped with multiple reflective salient points 19, and one injection moulding process is used,
Change light-emitting angle, make sidelight light by leaded light, 8 time were almost totally reflected, and effectively improved utilization of the light guide plate 8 to backlight
Rate improves backlight illumination on the basis of not increasing cost.
Further, the back side of the light guide plate 8 is additionally provided with multiple horizontal stripes 20.Band 20 improves the face of reflective salient point
Product, to improve whole light guide plate for the utilization efficiency of light source.
As shown in figure 3, the back side of the bottom frame 1 is equipped with one layer of black film 21 far from one end of LED light 4.Black film 21 can rise
It to shading and reflecting effect, prevents light from projecting from the back side of backlight, also there is certain moisture-proof role；It is arranged far from
One end of LED light 4 avoids the influence radiated to LED light 4.
In order to facilitate the fixation and installation of backlight, the back side of the bottom frame 1 is additionally provided with fixed bit 22, the fixed bit 22
It is equipped with screw hole.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the utility model.In this explanation
In book, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
It should be understood that the application of the utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
It says, it can be modified or changed according to the above description, and all these modifications and variations all should belong to the appended power of the utility model
The protection scope that benefit requires.
Claims (9)
1. a kind of side entering type LED large area backlight structure, which is characterized in that including bottom frame, center, wiring board, LED light dissipates
Hot aluminium block, and successively overlay from the bottom up reflectance coating in bottom frame, light guide plate, lower diffusion barrier, lower bright enhancement film, upper bright enhancement film,
Upper diffusion barrier, wherein
The center is located above bottom frame, and center is fixedly connected with the periphery of bottom frame；
The wiring board is located on the inner wall of bottom frame side；
The LED light is arranged in the circuit board, on the light direct beam to the side of light guide plate of sending；
The heat dissipation aluminium block is attached to and position corresponding with LED light outside the bottom frame back side by heat-conducting glue.
2. side entering type LED large area backlight structure according to claim 1, which is characterized in that the heat dissipation aluminium block
By the thermally conductive glue laminating bottom frame back side, the other side is equipped with multiple cooling fins in parallel, and has gap between abutting fins for side.
3. side entering type LED large area backlight structure according to claim 2, which is characterized in that the wiring board is logical
Heat-conducting glue is crossed to be pasted on the inner wall of bottom frame side.
4. side entering type LED large area backlight structure according to claim 3, which is characterized in that further include flexible circuit
Plate, described flexible circuit board one end are connect by FPC connector with wiring board, and the other end passes through bottom frame, and passes through two-sided gluing
It is attached to the bottom frame back side.
5. side entering type LED large area backlight structure according to claim 4, which is characterized in that the two of the light guide plate
End margin is equipped with locating piece, the both ends pair of lower diffusion barrier, lower bright enhancement film, upper bright enhancement film and upper diffusion barrier above light guide plate
Position is answered to be equipped with locating slot, the locating piece cooperation is stuck in locating slot.
6. side entering type LED large area backlight structure according to claim 5, which is characterized in that the back of the light guide plate
Face is equipped with multiple reflective salient points.
7. side entering type LED large area backlight structure according to claim 6, which is characterized in that the back of the light guide plate
Face is additionally provided with multiple bands.
8. side entering type LED large area backlight structure according to claim 7, which is characterized in that the back side of the bottom frame
One end far from LED light is equipped with one layer of black film.
9. side entering type LED large area backlight structure according to claim 8, which is characterized in that the back side of the bottom frame
It is additionally provided with fixed bit, the fixed bit is equipped with screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821167159.2U CN208459730U (en) | 2018-07-23 | 2018-07-23 | A kind of side entering type LED large area backlight structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821167159.2U CN208459730U (en) | 2018-07-23 | 2018-07-23 | A kind of side entering type LED large area backlight structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208459730U true CN208459730U (en) | 2019-02-01 |
Family
ID=65180052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821167159.2U Expired - Fee Related CN208459730U (en) | 2018-07-23 | 2018-07-23 | A kind of side entering type LED large area backlight structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208459730U (en) |
-
2018
- 2018-07-23 CN CN201821167159.2U patent/CN208459730U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 |