CN207364732U - A kind of cushion block, lamp bar, backlight module and display - Google Patents
A kind of cushion block, lamp bar, backlight module and display Download PDFInfo
- Publication number
- CN207364732U CN207364732U CN201721047747.8U CN201721047747U CN207364732U CN 207364732 U CN207364732 U CN 207364732U CN 201721047747 U CN201721047747 U CN 201721047747U CN 207364732 U CN207364732 U CN 207364732U
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- Prior art keywords
- cushion block
- substrate
- heat
- layer
- guide plate
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- Planar Illumination Modules (AREA)
Abstract
It the utility model is related to back light model setting technology field, more particularly to a kind of cushion block, lamp bar, backlight module and display.Cushion block includes substrate, heat-insulated flexible layer and weld layer, and heat-insulated flexible layer is fixedly connected on the upper surface of substrate, and weld layer is arranged at the lower face of substrate, and weld layer is used to fix with miscellaneous part.Cushion block is formed basic structure with substrate, by setting heat-insulated flexible layer in the upper surface of substrate, there is soft and heat-insulated double grading using heat-insulated flexible layer, during so that substrate being contacted with miscellaneous part, compression degree can be adjusted according to the distance between substrate and miscellaneous part, assembled easy to cushion block and miscellaneous part, and cause the heat on substrate also can not imported into miscellaneous part by heat-insulated flexible layer, avoid having an impact miscellaneous part；In addition, the weld layer that substrate lower face is set is easy to be welded and fixed with other component.
Description
Technical field
It the utility model is related to back light model setting technology field, more particularly to a kind of cushion block, lamp bar, backlight module and display
Device.
Background technology
At present, the backlight product of side-light type, patch or pastes cushion block and supports light guide plate usually on pcb board, can be with
Effectively control light guide plate and the gap on LED light surface, make backlight product reach high brightness, superior price-performance.In the prior art,
Cushion block on pcb board is generally the cushion block of FR4 materials, and cushion block surface carries out attached Copper treatment, shortcoming existing for this cushion block
It is：
1) cushion block is also easy to produce out-of-flatness using scolding tin and the pad solder on pcb board surface, welding surface, causes light guide plate local
It is padded, light extraction is not only influenced, and in the state of being shaken during transport test, the local crowning of cushion block also easily causes
The rupture of light guide plate；
2) on a pcb board, due to processing and supplied materials tolerance, it is excessive that indivedual cushion blocks bear light guide plate pressure, easily occurs de-
Fall；
3) cushion block receives the heat transmitted from pcb board, forms localized hyperthermia, plus the effect of stress, easily causes leaded light
Plate melts deformation.
Utility model content
First purpose of the utility model is to provide a kind of cushion block, not solve when cushion block coordinates with miscellaneous part not
Match somebody with somebody, the technical problem that local pressure and temperature are excessive.
Second purpose of the utility model is to provide a kind of lamp bar with above-mentioned cushion block.
3rd purpose of the utility model is to provide a kind of backlight module with above-mentioned cushion block.
4th purpose of the utility model is to provide a kind of display with above-mentioned cushion block.
For this purpose, the utility model uses following technical scheme：
A kind of cushion block, including substrate, heat-insulated flexible layer and weld layer, wherein, the heat-insulated flexible layer is fixedly connected on institute
The upper surface of substrate is stated, the weld layer is arranged at the lower face of the substrate, and the weld layer is used to fix with miscellaneous part.
As the preferred solution of cushion block, among both lower faces of the upper surface of the substrate and the heat-insulated flexible layer,
One opens up fluted, another is provided with the protrusion being adapted with the groove, described raised to be clamped with the groove.
As the preferred solution of cushion block, the groove and the protrusion are in " convex " font.
As the preferred solution of cushion block, the substrate is FR-4 epoxy glass-fiber-fabric substrates.
As the preferred solution of cushion block, the heat-insulated flexible layer is rubber or silica gel.
As the preferred solution of cushion block, the cushion block is molded using embedding and injection molding.
A kind of lamp bar, including pcb board, light guide plate, LED light and as above any one of them cushion block, wherein, it is multiple described
LED light and multiple cushion blocks fix with the pcb board, and positioned at the space that the light guide plate is formed with the pcb board it
In, the end face and the incidence surface of the light guide plate of the end face of the LED light and the flexible thermal insulation layer are oppositely arranged；The flexibility
The end face of thermal insulation layer protrudes from the end face of the LED light, and the end face of the flexibility thermal insulation layer and the incidence surface of the light guide plate support
Connect；The LED light is arranged at intervals with the light guide plate.
As the preferred solution of lamp bar, the weld layer is welded and fixed with the pcb board.
A kind of backlight module, including as above any one of them cushion block.
A kind of display, including as above any one of them cushion block.
The beneficial effects of the utility model：
Cushion block provided by the utility model, basic structure is formed with substrate, heat-insulated soft by being set in the upper surface of substrate
Property layer, has soft and heat-insulated double grading so that, can basis when substrate is contacted with miscellaneous part using heat-insulated flexible layer
The distance between substrate and miscellaneous part adjust compression degree, are assembled easy to cushion block and miscellaneous part, and cause on substrate
Heat also can not imported into miscellaneous part by heat-insulated flexible layer, avoid having an impact miscellaneous part；In addition, substrate lower face
The weld layer of setting is easy to be welded and fixed with other component.
Brief description of the drawings
Fig. 1 is the structure diagram of cushion block provided by the utility model；
Fig. 2 is the structure diagram of lamp bar provided by the utility model；
Fig. 3 is the partial enlarged view of Fig. 2.
In figure：
100-PCB plates；200- light guide plates；300-LED lamps；400- cushion blocks；500- sockets；
401- substrates；The heat-insulated flexible layers of 402-；403- weld layers.
Embodiment
Below in conjunction with the accompanying drawings the technical solution of the utility model is further illustrated with embodiment.It is understood that this
Locate described specific embodiment to be used only for explaining the utility model, rather than the restriction to the utility model.Further need exist for
Illustrate, for the ease of description, illustrate only in attached drawing with the relevant part of the utility model and it is not all.
As shown in Figure 1, cushion block provided by the utility model includes substrate 401, heat-insulated flexible layer 402 and weld layer 403.Its
In, heat-insulated flexible layer 402 is fixedly connected on the upper surface of substrate 401, and weld layer 403 is arranged at the lower face of substrate 401, welding
Layer 403 is used to fix with miscellaneous part.
Cushion block provided in this embodiment is formed basic structure with substrate 401, heat-insulated by being set in the upper surface of substrate 401
Flexible layer 402, has soft and heat-insulated double grading so that substrate 401 is contacted with miscellaneous part using heat-insulated flexible layer 402
When, compression degree can be adjusted according to the distance between substrate 401 and miscellaneous part, be assembled easy to cushion block and miscellaneous part, and
And cause the heat on substrate 401 also can not imported into miscellaneous part by heat-insulated flexible layer 402, avoid producing miscellaneous part
Influence；In addition, the weld layer 403 that 401 lower face of substrate is set is easy to be welded and fixed with other component.Weld layer 403 can be with
It is the metal coating covered in the bottom surface of substrate 401, for example covers copper etc., forms copper clad layers.
Preferably, heat-insulated flexible layer 402 is made for rubber or silica gel material, rubber and silica gel be respectively provided with it is flexible,
The characteristics of thermal conductivity difference and high plasticity, it is, of course, understood that the material of heat-insulated flexible layer 402 is not limited thereto,
This does not do excessive limitation.
Substrate 401 is FR-4 epoxy glass-fiber-fabric substrates, the mechanical performances of FR-4 epoxy glass-fiber-fabric substrates, dimensional stability,
Impact resistance, moisture resistance properties are higher, and excellent electrical properties.
Further, among both the upper surface of substrate 401 and the lower face of heat-insulated flexible layer 402, one offer it is recessed
Groove, another is provided with the protrusion being adapted with groove, raised to be engaged by clamping with groove, makes substrate 401 and heat-insulated flexible layer 402
Connection it is even closer.Preferably, groove and protrusion are in " convex " font.
In the present embodiment, cushion block is molded using embedding and injection molding, and embedding and injection molding shaping is fast, efficient with speed of production
Feature, operates and automation can be achieved, suitable for producing in enormous quantities.
As shown in Figures 2 and 3, the utility model also provides a kind of lamp bar, including pcb board 100, light guide plate 200, LED light
300 and cushion block 400 as described above, wherein, multiple LED light 300 and multiple cushion blocks 400 are fixed on pcb board 100, and position
Among the space that light guide plate 200 and pcb board 100 are formed, end face and the leaded light of the end face of LED light 300 and flexible thermal insulation layer 402
The incidence surface of plate 200 is oppositely arranged；The end face of heat-insulated flexible layer 402 protrudes from the end face of LED light 300, the end of flexible thermal insulation layer
Face is abutted with the incidence surface of light guide plate 200, and LED light 300 is arranged at intervals with light guide plate 200.Cushion block 400 is solid by weld layer 403
Due to pcb board 100, for example can be welded and fixed by using scolding tin.
Because flexible thermal insulation layer 402 has soft and heat-insulated double grading, therefore when light guide plate 200 and flexible thermal insulation layer 402
During contact, it can rapidly be deformed upon after the power that flexible thermal insulation layer 402 is subject to be transmitted by light guide plate 200, reach and connect with light guide plate 200
Contacting surface accumulates maximum, most stable of state, makes 200 being more uniformly stressed of light guide plate and planarizing, and in transport test process
It is middle shake in the state of, heat-insulated flexible layer 402 can quickly realize the effect of bumper and absorbing shock；In addition, when LED light 300 is sent out
The amount of heat gone out is transmitted by pcb board 100, and when arrival substrate 401 transmits upwards, the flexible thermal insulation layer 402 of thermal conductivity difference makes
Heat can not be transferred to light guide plate 200, avoid the problem of 200 local heating's stress of light guide plate occurs to melt depression.
Wherein, pcb board 100 is aluminum substrate, and the bottom land of LED light 300 is welded with the pad of pcb board 100 using scolding tin.
Lamp bar further includes socket 500, and socket 500 is welded with pcb board 100 by patch, which can provide electricity for the lamp bar
Source.
The utility model also provides a kind of backlight module, including cushion block as described above 400, the structure and work of cushion block 400
It is same as above as principle, details are not described herein.
The utility model also provides a kind of display, including cushion block as described above 400, the structure of cushion block 400 and work
Principle is same as above, and details are not described herein.
Obviously, above-described embodiment of the utility model is used for the purpose of clearly illustrating the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made where within the spirit and principles of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (10)
- A kind of 1. cushion block, it is characterised in that including substrate (401), heat-insulated flexible layer (402) and weld layer (403), wherein, institute The upper surface that heat-insulated flexible layer (402) is fixedly connected on the substrate (401) is stated, the weld layer (403) is arranged at the base The lower face of plate (401), the weld layer (403) are used to fix with pcb board.
- 2. cushion block according to claim 1, it is characterised in that the upper surface of the substrate (401) and the heat-insulated flexibility Among both lower face of layer (402), one opens up fluted, another is provided with the protrusion being adapted with the groove, institute The raised and groove is stated to be clamped.
- 3. cushion block according to claim 2, it is characterised in that the groove and the protrusion are in " convex " font.
- 4. cushion block according to claim 1, it is characterised in that the substrate (401) is FR-4 epoxy glass-fiber-fabric substrates.
- 5. cushion block according to claim 1, it is characterised in that the heat-insulated flexible layer (402) is rubber or silica gel.
- 6. cushion block according to claim 1, it is characterised in that the cushion block is molded using embedding and injection molding.
- 7. a kind of lamp bar, it is characterised in that including pcb board (100), light guide plate (200), LED light (300) and such as claim 1-6 any one of them cushion block (400), wherein, multiple LED light (300) and multiple cushion blocks (400) are fixed on described On pcb board (100), and among the space that the light guide plate (200) is formed with the pcb board (100), the LED light (300) end face and the end face of the flexible thermal insulation layer (402) and the incidence surface of the light guide plate (200) is oppositely arranged；It is described The end face of flexible thermal insulation layer (402) protrudes from the end face of the LED light (300), the end face of the flexibility thermal insulation layer (402) and institute The incidence surface for stating light guide plate (200) abuts；The LED light (300) is arranged at intervals with the light guide plate (200).
- 8. lamp bar according to claim 7, it is characterised in that the weld layer (403) is welded with the pcb board (100) It is fixed.
- 9. a kind of backlight module, it is characterised in that including such as claim 1-6 any one of them cushion block (400).
- 10. a kind of display, it is characterised in that including such as claim 1-6 any one of them cushion block (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721047747.8U CN207364732U (en) | 2017-08-21 | 2017-08-21 | A kind of cushion block, lamp bar, backlight module and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721047747.8U CN207364732U (en) | 2017-08-21 | 2017-08-21 | A kind of cushion block, lamp bar, backlight module and display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207364732U true CN207364732U (en) | 2018-05-15 |
Family
ID=62422220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721047747.8U Expired - Fee Related CN207364732U (en) | 2017-08-21 | 2017-08-21 | A kind of cushion block, lamp bar, backlight module and display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207364732U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824606A (en) * | 2018-08-13 | 2020-02-21 | 深圳Tcl新技术有限公司 | Limiting block, limiting structure between light guide plate and LED and display device |
-
2017
- 2017-08-21 CN CN201721047747.8U patent/CN207364732U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824606A (en) * | 2018-08-13 | 2020-02-21 | 深圳Tcl新技术有限公司 | Limiting block, limiting structure between light guide plate and LED and display device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20190821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |