CN206671726U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN206671726U CN206671726U CN201720463078.6U CN201720463078U CN206671726U CN 206671726 U CN206671726 U CN 206671726U CN 201720463078 U CN201720463078 U CN 201720463078U CN 206671726 U CN206671726 U CN 206671726U
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- CN
- China
- Prior art keywords
- backlight module
- lamp bar
- backboard
- protuberance
- main surface
- 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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- 239000000758 substrate Substances 0.000 claims abstract description 24
- 230000017525 heat dissipation Effects 0.000 claims description 24
- 239000004973 liquid crystal related substance Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 239000006185 dispersion Substances 0.000 abstract description 4
- 239000002390 adhesive tape Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
Landscapes
- Planar Illumination Modules (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a kind of backlight module and display device, the backlight module includes backboard and lamp bar, wherein, the lamp bar includes circuit substrate and multiple light sources, the circuit substrate includes the first main surface and the second main surface, and the light source is located at the described first main surface and spaced set；Second main surface of the circuit substrate sets radiating part in the position of relatively described light source；In the position at the interval of relatively multiple light sources, fixed part is set；The backboard is provided with protuberance and evener, and the protuberance is corresponding with the radiating part of the lamp bar, and the evener is corresponding with the fixed part of the lamp bar；Backlight module disclosed in the utility model directly contacts the radiating part of the lamp bar with the protuberance of the backboard；The evener of the fixed part of the lamp bar and the backboard is fixed；The heat dispersion of backlight module is become strong, improve the luminous efficiency and stability of light source, and improve the service life of light source and whole backlight module.
Description
Technical field
Technical field of liquid crystal display is the utility model is related to, is related specifically to a kind of backlight module and including the backlight mould
The display device of group.
Background technology
In recent years, with the fast development of flat panel display, liquid crystal display (LCD,
LiquidCrystalDisplay) because with small volume, the advantage such as image quality is high, radiationless and driving voltage is low and extensively should
For in various information, communication and consumer products.Because the liquid crystal display panel in liquid crystal display does not light in itself, therefore
Need to provide a backlight module at the back side of liquid crystal display panel as backlight with normal display image.
With the fast development of light source technology in backlight module, LED (Light-Emitting Diode) because with energy consumption is low, small volume,
The characteristics such as long lifespan, brightness height, and gradually substitute cathode fluorescent tube (CCFL), liquid is used as in the form of LED backlight module
The backlight of crystal device.LED backlight module generally includes backlight, light guide plate and LED light bar.
But LED backlight module is when in use, LED will produce heat, if caused heat can not give out in time
Go, then LED is chronically under the working condition of this high temperature, not only influences its luminous efficiency and stability, and is easy to damage
It is bad, and then the service life of LED and whole LED backlight module can be shortened.
Fig. 1 is the partial structural diagram of LED backlight module of the prior art.
Fig. 1 is refer to, LED backlight module of the prior art includes existing backboard 110, existing lamp bar 120, adhesive tape 130
And light guide plate 140.The light-emitting window of existing lamp bar 120 is oppositely arranged with light guide plate 140；Existing lamp bar 120 includes the He of base material 121
Multiple LED chips 122.In the LED backlight module of prior art, the length phase of the length of adhesive tape 130 and existing lamp bar 120
Deng existing lamp bar 120 being adhered on the existing backboard 110 of liquid crystal display by adhesive tape 130, while adhesive tape 130 can will be existing
There is heat transmission caused by the LED chip 122 in lamp bar 120 to be exported to existing backboard 110, to be dissipated to LED backlight module
Heat.But in the LED backlight module of this structure, although adhesive tape has certain radiating effect to LED backlight module, by glue
The material characteristic of band influences, it is impossible to effectively radiating, influences LED service life.
In view of this, present utility model application people be directed to above-mentioned backlight module in do not attain improve caused by many missings and
Inconvenience, and deeply conceive, and actively research improvement has a fling at and develops and design this creation.
Utility model content
To achieve these goals, solution of the present utility model is：
The utility model discloses a kind of backlight module, including backboard and lamp bar, the lamp bar is arranged on the backboard,
Wherein：
The lamp bar includes circuit substrate and multiple light sources, and the circuit substrate has the main surface of relative first and second
Main surface；Multiple light sources are located at the described first main surface and set at equal intervals；Second main surface of the circuit substrate
Radiating part is set in the position of relatively multiple light sources, fixed part is set in the position at the interval of relatively multiple light sources；
The backboard is provided with protuberance and evener, and the protuberance is corresponding with the radiating part of the lamp bar, described
Evener is corresponding with the fixed part of the lamp bar.
Preferably, heat dissipation element is set on the radiating part of the circuit substrate, the lamp bar by the heat dissipation element with
The protuberance of the backboard directly contacts；Retaining element is set on the fixed part of the circuit substrate；The lamp bar passes through described
The evener of retaining element and the backboard is fixed.
Preferably, the heat dissipation element of the radiating part is copper sheet.
Preferably, the retaining element of the fixed part is adhesive tape.
Preferably, the thickness of described retaining element is more than the thickness of the heat dissipation element.
Preferably, the height of the protuberance of the backboard and the thickness difference phase of the retaining element and the heat dissipation element
Deng.
Preferably, the material of the backboard is metal material.
Preferably, the backboard includes bottom plate and side plate, and the side plate is arranged on institute perpendicular to the bottom plate, the lamp bar
State on the side plate of backboard.
Preferably, the light source includes wide colour gamut LED and/or white light LEDs.
A kind of backlight module disclosed in the utility model, wherein, the backlight module includes backboard and lamp bar, the lamp bar
Circuit substrate the second main surface on be arranged at intervals radiating part and fixed part；The radiating part that the backboard corresponds to the lamp bar is set
Put protuberance, the fixed part of the corresponding lamp bar is provided with evener, by the fixed part of the lamp bar by the lamp bar with
The evener of the backboard is fixed, and the lamp bar is directly contacted with the protuberance of the backboard by the radiating part, makes the back of the body
The heat dispersion of optical mode group becomes strong, improves the luminous efficiency and stability of light source, and improve light source and whole backlight mould
The service life of group.
The invention also discloses a kind of display device, including backlight module as described above and positioned at the backlight mould
The liquid crystal display panel of group top.
Brief description of the drawings
By the description to the utility model embodiment referring to the drawings, of the present utility model above-mentioned and other mesh
, feature and advantage will be apparent from, in the accompanying drawings：
Fig. 1 is the partial structural diagram of the backlight module of prior art；
Fig. 2 is the partial structural diagram of backlight module disclosed in the utility model；
Fig. 3 is the dimensional structure diagram of lamp bar in backlight module disclosed in the utility model；
Fig. 4 is the partial side view of lamp bar in backlight module disclosed in the utility model；
Fig. 5 is the partial side view of backlight module dorsulum disclosed in the utility model；
In figure：110：Existing backboard；120：Existing lamp bar；121：Base material；122：LED chip；130：Adhesive tape；140：It is guide-lighting
Plate；210：Backboard；211：Protuberance；212：Evener；220：Lamp bar；221：Circuit substrate；222：Light source；223：Radiating member
Part；224：Retaining element.
Embodiment
In order to which the technical solution of the utility model is explained further, below in conjunction with attached in the utility model embodiment
Figure, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that described embodiment is only
It is the utility model part of the embodiment, rather than whole embodiments.It is general based on the embodiment in the utility model, this area
The every other embodiment that logical technical staff is obtained under the premise of creative work is not made, belong to the utility model guarantor
The scope of shield.
Embodiment：
Fig. 2 is the partial structural diagram of backlight module disclosed in the utility model.
As shown in Figure 2：Present embodiment discloses a kind of backlight module, including backboard 210 and lamp bar 220, the lamp bar 220
It is arranged on the backboard 210, wherein：The lamp bar (220) includes circuit substrate 221 and multiple light sources 222, the circuit base
Plate 221 has the first relative main surface and the second main surface；Between multiple light sources 222 are located at the described first main surface and waited
Away from setting；Second main surface of the circuit substrate 221 sets radiating part in the position of relatively multiple light sources 222；
The position at the interval of relatively multiple light sources 222 sets fixed part；
The backboard 210 is provided with protuberance 211 and evener (not shown), the protuberance 211 and the lamp
The radiating part of bar 220 is corresponding, and the evener is corresponding with the fixed part of the lamp bar 220.
In the present embodiment, the backlight module also includes light guide plate 140, the light-emitting window and light guide plate of the lamp bar 220
140 are oppositely arranged.
In the present embodiment, the circuit substrate 221 of the lamp bar 220 is typically made up of metal material, the metal material
It can be iron, copper, aluminium etc., or alloy material.
In the present embodiment, the backboard 210 includes bottom plate and side plate, and the side plate is perpendicular to the bottom plate, the lamp
Bar 220 is arranged on the side plate of the backboard 210.
In the present embodiment, the light source 222 includes wide colour gamut LED and/or white light LEDs.Can be according to demand by difference
Light source be combined.Here, the not type of limiting light source.
In example is originally applied, it is characterised in that the material of the backboard 210 is metal material, such as aluminium material.In other realities
Apply in example, the material of backboard 210 can also be plastic-aluminum, and the plastic-aluminum is combined by aluminium alloy and plastics, and it has outside metal
See, and for simple metal plate, not only intensity is high, the cost of material is low but also processing technology is simple.
Fig. 3 is the dimensional structure diagram of lamp bar in backlight module disclosed in the utility model.
As shown in figure 3, in the present embodiment, in order to improve the radiating effect of the lamp bar 220, in the circuit substrate
Heat dissipation element 223 is set on 221 radiating part, and the lamp bar 220 passes through the heat dissipation element 223 and the protuberance of the backboard
Directly contact radiating；In order to fix the lamp bar 220 and the backboard, set and fix on the fixed part of the circuit substrate 221
Element 224；The lamp bar 220 is fixed by the evener of the retaining element 224 and the backboard.
In the present embodiment, the heat dissipation element 223 is copper sheet, because the excellent thermal conductivity of copper sheet；Certainly, it is described to dissipate
Thermal element 223 can also be aluminium flake or the sheet metal of other good heat dispersion performances.
Specifically, the heat dissipation element 223 for playing thermolysis is that circuit substrate 221 is fixed on by the way of gluing
On two main surfaces；It can certainly use other manner that the heat dissipation element 223 is fixed on to the second main table of circuit substrate 221
On face, such as the mode such as punching press or copper facing.
In the present embodiment, the retaining element 224 positioned at the fixed part is adhesive tape.Retaining element 224 mainly rises
To the effect of the fixation lamp bar 220 and backboard 210, specifically, the retaining element 224 can be Heat dissipation adhesive tape or common glue
Band, the retaining element 224 selected in the present embodiment are Heat dissipation adhesive tape, and so, heat caused by the light source 222 of lamp bar 220 can
Exported with being transmitted by Heat dissipation adhesive tape to backboard simultaneously.
Fig. 4 is the partial side view of lamp bar in backlight module disclosed in the utility model；Fig. 5 is disclosed in the utility model
The partial side view of backlight module dorsulum.
As shown in Figure 4 and Figure 5：In the present embodiment, the thickness of the retaining element 224 of described lamp bar 220 is more than described
The thickness of heat dissipation element 223.Specifically, the thickness difference of the retaining element 224 and the heat dissipation element 223 is H.
In the present embodiment, the retaining element 224 of the height of the protuberance 211 of the backboard 210 and the lamp bar 220 and
The thickness difference of the heat dissipation element 223 is equal.Specifically, the height of the protuberance 211 of the backboard 210 is also H.
The radiating part and fixed part of the lamp bar 220 are corresponded to, protuberance 211 and evener are provided with the backboard 210
212；When the lamp bar 220 is arranged on the side plate of the backboard 210, protuberance 211 and the lamp bar of the backboard 210
220 heat dissipation element 223 directly contacts, i.e., described backboard 210 directly contacts radiating with the heat dissipation element 223 of the lamp bar 220.
The retaining element 224 of the lamp bar 220 fixes the evener 212 of the lamp bar 220 and the backboard 210, i.e., described backboard
210 realize fixed effect with the lamp bar 220.
The invention also discloses a kind of display device, the display device includes backlight module as described above and position
Liquid crystal display panel above the backlight module.
A kind of backlight module and display device disclosed in the utility model, wherein, the backlight module includes backboard and lamp
Bar, the lamp bar include circuit substrate and multiple light sources, and the circuit substrate includes the first main surface and the second main surface, described
Light source is located at the described first main surface and spaced set；Second main surface of the circuit substrate is in the position of relatively described light source
Install radiating part；In the position at the interval of relatively multiple light sources, fixed part is set；The backboard is provided with and protuberance
And evener, the protuberance is corresponding with the radiating part of the lamp bar, and the evener is relative with the fixed part of the lamp bar
Should.
Backlight module disclosed in the utility model is by the heat dissipation element by the radiating part of the lamp bar and the backboard
Protuberance directly contact；The evener of the fixed part of the lamp bar and the backboard is fixed by the retaining element；Make
The heat dispersion of backlight module becomes strong, improves the luminous efficiency and stability of light source, and improve light source and whole backlight
The service life of module.
Above is full content of the present utility model, in this manual, term " comprising ", "comprising" or its it is any its
His variant is intended to including for nonexcludability, except comprising those listed key elements, but also can include and be not expressly set out
Other element.In this manual, the involved noun of locality such as forward and backward, upper and lower be with parts in accompanying drawing be located in figure with
And the mutual position of parts is come what is defined, the clear of expression technology scheme and conveniently is intended merely to.It is it should be appreciated that described
The use of the noun of locality should not limit the claimed scope of the application.Preferred embodiment of the present utility model is the foregoing is only,
Not limiting the utility model, all any modification, equivalent substitution and improvements within principle of the present utility model, made
Deng should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of backlight module, including backboard (210) and lamp bar (220), the lamp bar (220) are arranged on the backboard (210)
On, it is characterised in that：
The lamp bar (220) includes circuit substrate (221) and multiple light sources (222), and the circuit substrate (221) has relative
First main surface and the second main surface；Multiple light sources (222) are located at the described first main surface and spaced set；The electricity
Second main surface of base board (221) sets radiating part in the position of relatively multiple light sources (222)；Relatively multiple described
The position at the interval of light source (222) sets fixed part；
The backboard (210) is provided with protuberance (211) and evener (212), the protuberance (211) and the lamp bar
(220) radiating part is corresponding, and the evener (212) is corresponding with the fixed part of the lamp bar (220).
2. a kind of backlight module as claimed in claim 1, it is characterised in that set on the radiating part of the circuit substrate (221)
Heat dissipation element (223) is put, the lamp bar (220) passes through the heat dissipation element (223) and the protuberance of the backboard (210)
(211) directly contact；
Retaining element (224) is set on the fixed part of the circuit substrate (221)；The lamp bar (220) passes through the fixed member
The evener (212) of part (224) and the backboard (210) is fixed.
3. a kind of backlight module as claimed in claim 2, it is characterised in that the heat dissipation element (223) of the radiating part is copper
Piece.
4. a kind of backlight module as claimed in claim 2, it is characterised in that the retaining element (224) of the fixed part is glue
Band.
5. a kind of backlight module as claimed in claim 2, it is characterised in that the thickness of described retaining element (224) is more than
The thickness of the heat dissipation element (223).
A kind of 6. backlight module as claimed in claim 2, it is characterised in that the height of the protuberance (211) of the backboard (210)
Degree is equal with the thickness difference of the retaining element (224) and the heat dissipation element (223).
7. a kind of backlight module as claimed in claim 1, it is characterised in that the material of the backboard (210) is metal material.
8. a kind of backlight module as claimed in claim 1, it is characterised in that the backboard (210) includes bottom plate and side plate, institute
Side plate is stated to be arranged on the side plate of the backboard (210) perpendicular to the bottom plate, the lamp bar (220).
A kind of 9. backlight module as claimed in claim 1, it is characterised in that the light source (222) include wide colour gamut LED and/
Or white light LEDs.
10. a kind of display device, including backlight module and the liquid crystal display panel above the backlight module, its feature exist
In the backlight module is the backlight module described in any one in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720463078.6U CN206671726U (en) | 2017-04-28 | 2017-04-28 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720463078.6U CN206671726U (en) | 2017-04-28 | 2017-04-28 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206671726U true CN206671726U (en) | 2017-11-24 |
Family
ID=60371500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720463078.6U Active CN206671726U (en) | 2017-04-28 | 2017-04-28 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206671726U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111783657A (en) * | 2020-06-30 | 2020-10-16 | 联想(北京)有限公司 | LCD display assembly for fingerprint identification and LCD display device |
| CN114660851A (en) * | 2022-04-12 | 2022-06-24 | Tcl华星光电技术有限公司 | Backlight module and display device |
-
2017
- 2017-04-28 CN CN201720463078.6U patent/CN206671726U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111783657A (en) * | 2020-06-30 | 2020-10-16 | 联想(北京)有限公司 | LCD display assembly for fingerprint identification and LCD display device |
| CN114660851A (en) * | 2022-04-12 | 2022-06-24 | Tcl华星光电技术有限公司 | Backlight module and display device |
| CN114660851B (en) * | 2022-04-12 | 2024-02-09 | Tcl华星光电技术有限公司 | Backlight module and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee after: InfoVision Optoelectronics(Kunshan)Co.,Ltd. Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee before: Infovision Optoelectronics (Kunshan) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |