CN207065281U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN207065281U CN207065281U CN201720895693.4U CN201720895693U CN207065281U CN 207065281 U CN207065281 U CN 207065281U CN 201720895693 U CN201720895693 U CN 201720895693U CN 207065281 U CN207065281 U CN 207065281U
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- CN
- China
- Prior art keywords
- backlight module
- backboard
- lamp bar
- elastomeric pad
- light guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a kind of backlight module, including backboard, the light guide plate being installed in backboard, and it is installed on backboard and positioned at the lamp bar of light guide plate incident side, it is connected with flexible between lamp bar and backboard and breaks the elastomeric pad of lamp bar available for preventing light guide plate from expanding, and elastomeric pad has heat conductivity and can be used for conducting heat.The utility model additionally provides a kind of display device, including above-mentioned backlight module.Backlight module provided by the utility model, by setting flexible and heat conductivity elastomeric pad between lamp bar and backboard, lamp bead is broken so as to prevent light guide plate to expand, also enable the heat of backlight unit timely to be conducted simultaneously, and then improve the service life of backlight module and whole display device.
Description
Technical field
The utility model belongs to display technology field, is to be related to a kind of backlight module and display device more specifically.
Background technology
Backlight module is an important component of display device, and the quality and its service life of backlight module affect
The quality of whole display device.The general backboard of backlight module, lamp bar and light guide plate, however, light guide plate has expansion properties, its
Expansion can be produced in the case of high temperature and high humidity, it produces shock to the lamp bead in lamp bar, so as to destroy lamp bead, causes backlight mould
Group is local not to work, so as to influence the service life of backlight module and whole display device.
Utility model content
The purpose of this utility model is to provide a kind of backlight module and display device, to solve present in prior art
Light guide plate expansion breaks lamp bead and causes backlight module not work locally to influence backlight module and display device service life technology
Problem.
To achieve the above object, the technical solution adopted in the utility model is：Provide a kind of backlight module, including the back of the body
Plate, the light guide plate being installed in the backboard, and be installed on the backboard and be located at the lamp bar of the light guide plate incident side,
It is connected with flexible between the lamp bar and the backboard and breaks the lamp bar available for preventing the light guide plate from expanding
Elastomeric pad, the elastomeric pad has heat conductivity and available for conducting heat.
Preferably, the elastomeric pad is made up of elastic heat conducting silica gel.
Preferably, the elastomeric pad includes being located between the lamp bar and the backboard and is made up of elastic heat conducting silica gel
The first elastic portion, and be coated on the first elastic portion outer surface and with heat conductivity the first thermal interface material layer.
Preferably, the elastomeric pad includes being located between the lamp bar and the backboard and the second bullet made of foam
Property portion, and be coated on the second elastic portion outer surface and with heat conductivity the second thermal interface material layer.
Further, the lamp bar includes substrate, and the lamp source electrically connected on the substrate and with the substrate.
Preferably, the length of the elastomeric pad is identical with the length of the substrate, the elastomeric pad width with it is described
The width of substrate is identical.
Further, the backboard includes bottom plate, and from the vertically extending side plate of the base portion peripheral, the side plate with
The bottom plate encloses is pacified formed with the accommodating chamber for accommodating the light guide plate and the lamp bar, the lamp bar by the elastomeric pad
Loaded on the side plate.
Further, the backlight module also includes located at the reflecting plate between the bottom plate and the light guide plate, and
Located at the light guide plate with the reflecting plate mutually back to the blooming piece of side.
Preferably, the backboard is made of iron material.
The utility model additionally provides a kind of display device, including above-mentioned backlight module.
The beneficial effect of backlight module provided by the utility model is：Compared with prior art, the back of the body of the present utility model
Template die group between lamp bar and backboard by setting flexible elastomeric pad, so, when light guide plate is in hot and humid situation
During lower expansion, extruding force is conducted to elastomeric pad, elastomeric pad and absorbs plus-pressure by light guide plate extruding lamp bar, lamp bar, so as to
Prevent light guide plate from expanding and breaking lamp bar, improve the service life of lamp bar.Meanwhile the elastomeric pad has heat conductivity, its
Heat caused by backlight unit can quickly be conducted, so as to improve the use longevity of lamp bar and whole backlight module
Life.In addition, by set simultaneously flexible and heat conductivity elastomeric pad so that need not be separately provided shell fragment and
Thermal conductivity backing so that the structure of whole backlight module is simple.In addition, display device provided by the utility model, by using upper
The backlight module stated, so as to improve the service life of the display device and reduce its production cost.
Brief description of the drawings
, below will be to embodiment or prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic top plan view for the backlight module that the utility model embodiment one provides；
Fig. 2 is the partial enlarged drawing that A is local in Fig. 1；
Fig. 3 is the schematic cross-sectional view for the backlight module that the utility model embodiment one provides；
Fig. 4 is the partial enlarged drawing that B is local in Fig. 3；
Fig. 5 is the schematic cross-sectional view of the elastomeric pad for the backlight module that the utility model embodiment two provides；
Fig. 6 is the schematic cross-sectional view of the elastomeric pad for the backlight module that the utility model embodiment three provides.
Wherein, each reference in figure：
1- backboards；2- light guide plates；3- lamp bars；4 (4a, 4b)-elastomeric pads；5- reflecting plates；6- blooming pieces；11- bottom plates；
12- side plates；31- substrates；32- lamp sources；The elastic portions of 41a- first；The thermal interface material layers of 42a- first；The elastic portions of 41b- second；
The thermal interface material layers of 42b- second.
Embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with
Lower combination drawings and Examples, the utility model is further elaborated.It is it should be appreciated that described herein specific real
Example is applied only to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "left", "right", " vertical ", " level ",
The orientation or position relationship of the instruction such as " top ", " bottom " " interior ", " outer " be based on orientation shown in the drawings or position relationship, be only for
Be easy to describe the utility model and simplify to describe, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
Also referring to Fig. 1 to Fig. 4, now backlight module provided by the utility model is illustrated.The backlight module bag
Backboard 1, light guide plate 2, lamp bar 3 and elastomeric pad 4 are included, light guide plate 2 is installed in backboard 1, and lamp bar 3 is installed on backboard 1 and position
In the incident side of light guide plate 2, elastomeric pad 4 is connected between lamp bar 3 and backboard 1, and elastomeric pad 4 is flexible, elastomeric pad 4
Break lamp bar 3 for preventing light guide plate 2 from expanding, meanwhile, elastomeric pad 4 has a heat conductivity, elastomeric pad 4 can be additionally used in by
The heat of lamp bar 3 quickly conducts.
Backlight module provided by the utility model, compared with prior art, the module of backboard 1 of the present utility model pass through in lamp
Flexible elastomeric pad 4 is set between bar 3 and backboard 1, so, when light guide plate 2 is expanding in the case of hot and humid, led
Tabula rasa 2 extrudes lamp bar 3, and extruding force is conducted to elastomeric pad 4, elastomeric pad 4 and absorbs plus-pressure by lamp bar 3, so as to prevent leading
Tabula rasa 2 expands and breaks lamp bar 3.Meanwhile the elastomeric pad 4 has heat conductivity, it can will be hot caused by backlight unit
Amount quickly conducts, so as to improve the service life of lamp bar 3 and whole backlight module.In addition, have simultaneously by setting
The elastomeric pad 4 of elasticity and heat conductivity, so that shell fragment and thermal conductivity backing need not be separately provided so that whole backlight mould
The structure of group is simple.
Preferably as a kind of embodiment of backlight module provided by the utility model, above-mentioned elastomeric pad 4 by
Elastic heat conducting silica gel is made, and elastic heat conducting silica gel is not only flexible, and heat conductive silica gel is high-end heat conduction compound, and it has
High-adhesion, by using elastomeric pad 4 made of elastic force heat conductive silica gel, can prevent with superpower heat-conducting effect so as to reach
Light guide plate 2 expands the effect for breaking lamp bar 3 and reaches the effect for conducting backlight unit heat.It is specifically, elastic
Pad 4 is by the way that elastic heat conducting silica gel is cut into according to certain size, because it has high-adhesion energy, therefore during installation only
Need the alignment of elastomeric pad 4 being placed on backboard 1, its manufacturing process is simple, and installation process is simple.
Further, Fig. 2 and Fig. 4 is referred to, a kind of specific embodiment party as backlight module provided by the utility model
Formula, above-mentioned lamp bar 3 include substrate 31 and lamp source 32, and substrate 31 is in strip, and lamp source 32 is on substrate 31 and electric with substrate 31
Connection, and lamp source 32 is uniformly distributed on the substrate 31.In the present embodiment, above-mentioned lamp source 32 can be LED or lamp bead.
Preferably, Fig. 2 and Fig. 4 is referred to, as a kind of embodiment of backlight module provided by the utility model,
The length of above-mentioned elastomeric pad 4 is identical with the length of lamp bar 3, and the width of elastomeric pad 4 is identical with the width of lamp bar 3, so, no
Only so that the uniform force of lamp bar 3, while also also be deformed after elastomeric pad 4 is repeatedly extruded, Er Qieke
To reduce the waste of the material of elastomeric pad 4.
Further, Fig. 2 and Fig. 4 is referred to, a kind of specific embodiment party as backlight module provided by the utility model
Formula, above-mentioned backboard 1 include bottom plate 11 and side plate 12, and bottom plate 11 is plate-like, and side plate 12 extends from the edge perpendicular of bottom plate 11, side plate 12
Enclosed with bottom plate 11 and side plate 12 is installed on by elastomeric pad 4 formed with the accommodating chamber for accommodating light guide plate 2 and lamp bar 3, lamp bar 3
On.In the present embodiment, bottom plate 11 is integrally formed setting with side plate 12, so that the whole processing technology of backboard 1 is simple.When
So, in other embodiment of the present utility model, according to actual conditions and specific requirement, above-mentioned bottom plate 11 can also with side plate 12
Detachably connected by fastener, so, if bottom plate 11 or side plate 12 damage, it is only necessary to be individually replaced bottom plate 11 or
Person's side plate 12, without whole backboard 1 is changed, save maintenance cost.Herein, in other embodiment of the present utility model
In, above-mentioned lamp bar 3 can also be installed on bottom plate 11 by elastomeric pad 4, or above-mentioned lamp bar 3 is installed by elastomeric pad 4
In on lampshade, unique restriction is not done herein.
Preferably as a kind of embodiment of backlight module provided by the utility model, above-mentioned backboard 1 uses iron
Material is made, and iron has good thermal conductivity, and its intensity is high, and price is low.Certainly, in other embodiment of the present utility model,
According to actual conditions and specifically, above-mentioned backboard 1 can also use the other materials such as aluminium be made, and not do unique restriction herein.
Further, referring to Fig. 4, a kind of embodiment as backlight module provided by the utility model, on
Stating backlight module also includes reflecting plate 5 and blooming piece 6, and reflecting plate 5 is located between bottom plate 11 and light guide plate 2, and reflecting plate 5 is used for
The light that lamp bar 3 is sent is reflexed in light guide plate 2, blooming piece 6 is located at light guide plate 2 and the phase of reflecting plate 5 back to side, i.e. light
Diaphragm 6 and reflecting plate 5 both sides that to be respectively arranged on light guide plate 2 relative are learned, blooming piece 6 is used for the light for transferring out light guide plate 2
Carry out optical treatment.
The utility model additionally provides a kind of display device, and it includes above-mentioned backlight module, display dress of the present utility model
Put by using above-mentioned backlight module, so as to improve the service life of the display device and reduce its production cost.
Embodiment two：
The present embodiment and the technical characteristic of embodiment one are essentially identical, and its difference is：Referring to Fig. 5, above-mentioned cushion
Piece 4a can be made up of the first elastic portion 41a and first thermal interface material layer 42a two parts, and the first elastic portion 41a is located at lamp bar 3
Between backboard 1, the first elastic portion 41a is made up of elastic heat conducting silica gel, and the first thermal interface material layer 42a has heat conductivity,
First thermal interface material layer 42a can be that radiating glue-line or heat sink material figure layer, the first thermal interface material layer 42a are coated on first
Elastic portion 41a outer surfaces.The present embodiment adds the first thermal interface material layer 42a on the basis of embodiment one, so as to improve
Radiating effect of the elastomeric pad 4 to backlight module.
Embodiment three：
The present embodiment and the technical characteristic of embodiment one are essentially identical, and its difference is：Referring to Fig. 6, above-mentioned cushion
Piece 4b can be made up of the second elastic portion 41b and second thermal interface material layer 42b two parts, and the second elastic portion 41b is located at lamp bar 3
Between backboard 1, the second elastic portion 41b is made up of foam, and the second thermal interface material layer 42b has heat conductivity, the second hot boundary
Cover material layer 42b can be that radiating glue-line or heat sink material figure layer, the second thermal interface material layer 42b are coated on the second elastic portion
41b outer surfaces.The present embodiment prevents light guide plate 2 from expanding touching to lamp bar 3 by using the second elastic portion 41b made of foam
Hit, and reach conduction to backlight unit heat by being coated on the second thermal interface material layer 42b on foam surface, so as to
Reach the purpose for improving backlight module service life.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. backlight module, including backboard, the light guide plate being installed in the backboard, and be installed on the backboard and be located at institute
State the lamp bar of light guide plate incident side, it is characterised in that be connected with flexible between the lamp bar and the backboard and can be used for
Prevent the light guide plate from expanding and breaking the elastomeric pad of the lamp bar, the elastomeric pad has heat conductivity and can be used for passing
Heat conduction amount.
2. backlight module as claimed in claim 1, it is characterised in that the elastomeric pad is made up of elastic heat conducting silica gel.
3. backlight module as claimed in claim 1, it is characterised in that the elastomeric pad include located at the lamp bar with it is described
The first elastic portion between backboard and made of elastic heat conducting silica gel, and be coated on the first elastic portion outer surface and have
First thermal interface material layer of heat conductivity.
4. backlight module as claimed in claim 1, it is characterised in that the elastomeric pad include located at the lamp bar with it is described
The second elastic portion between backboard and made of foam, and be coated on the second elastic portion outer surface and there is heat conductivity
The second thermal interface material layer.
5. backlight module as claimed in claim 1, it is characterised in that the lamp bar includes substrate, and located at the substrate
Lamp source that is upper and being electrically connected with the substrate.
6. backlight module as claimed in claim 5, it is characterised in that the length of the elastomeric pad and the length of the substrate
Identical, the elastomeric pad width is identical with the width of the substrate.
7. backlight module as claimed in claim 1, it is characterised in that the backboard includes bottom plate, and all from the bottom plate
The vertically extending side plate of edge, the side plate are enclosed formed with the receiving for accommodating the light guide plate and the lamp bar with the bottom plate
Chamber, the lamp bar are installed on the side plate by the elastomeric pad.
8. backlight module as claimed in claim 7, it is characterised in that the backlight module also includes being located at the bottom plate and institute
State the reflecting plate between light guide plate, and the blooming piece with reflecting plate phase back to side located at the light guide plate.
9. backlight module as claimed in claim 1, it is characterised in that the backboard is made of iron material.
10. display device, it is characterised in that including the backlight module described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720895693.4U CN207065281U (en) | 2017-07-21 | 2017-07-21 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720895693.4U CN207065281U (en) | 2017-07-21 | 2017-07-21 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207065281U true CN207065281U (en) | 2018-03-02 |
Family
ID=61516691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720895693.4U Active CN207065281U (en) | 2017-07-21 | 2017-07-21 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207065281U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716631A (en) * | 2018-07-26 | 2018-10-30 | 合肥惠科金扬科技有限公司 | Segmented backlight lamp, backlight module and display |
| CN110906211A (en) * | 2019-12-28 | 2020-03-24 | 宁波瑞宜乐灯饰有限公司 | Self-heat-dissipation security lamp for garden |
| CN113759602A (en) * | 2021-09-07 | 2021-12-07 | 京东方科技集团股份有限公司 | Backlight module, display device and display system |
-
2017
- 2017-07-21 CN CN201720895693.4U patent/CN207065281U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716631A (en) * | 2018-07-26 | 2018-10-30 | 合肥惠科金扬科技有限公司 | Segmented backlight lamp, backlight module and display |
| CN110906211A (en) * | 2019-12-28 | 2020-03-24 | 宁波瑞宜乐灯饰有限公司 | Self-heat-dissipation security lamp for garden |
| CN110906211B (en) * | 2019-12-28 | 2020-06-12 | 宁波瑞宜乐灯饰有限公司 | Self-heat-dissipation security lamp for garden |
| CN113759602A (en) * | 2021-09-07 | 2021-12-07 | 京东方科技集团股份有限公司 | Backlight module, display device and display system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |