CN108508655A - Backlight module and its display - Google Patents
Backlight module and its display Download PDFInfo
- Publication number
- CN108508655A CN108508655A CN201810373297.4A CN201810373297A CN108508655A CN 108508655 A CN108508655 A CN 108508655A CN 201810373297 A CN201810373297 A CN 201810373297A CN 108508655 A CN108508655 A CN 108508655A
- Authority
- CN
- China
- Prior art keywords
- backlight module
- convex edge
- plate
- lamp bar
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 239000012788 optical film Substances 0.000 claims description 12
- 239000004973 liquid crystal related substance Substances 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003667 anti-reflective effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133628—Illuminating devices with cooling means
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention provides a kind of backlight module and its displays, the backlight module includes backboard, cooling fin, lamp bar and light guide plate, cooling fin includes the side plate that bottom plate and one end are connect with bottom surface, the other end of side plate is provided with convex edge, bottom plate, side plate and convex edge, which are enclosed, is configured to cavity, and lamp bar is installed in cavity；Convex edge is butted on the end face of lamp bar, and light guide plate is set on backboard, and light guide plate has incidence surface, lamp bar face incidence surface.The backlight module of the present invention, compared with prior art, the backboard and cooling fin of the present invention drives light guide plate that position offset occurs when bending deformation, convex edge and bottom plate to the aid of lamp bar and limit so that lamp bar and backboard, cooling fin synchronize bend deformation, so that lamp bar and the relative position of light guide plate are consistent before and after backboard deformation so that backlight module in use light show it is more uniform.
Description
Technical field
The invention belongs to display device technology fields, are to be related to a kind of backlight module and its display more specifically.
Background technology
As liquid crystal display constantly develops towards fine definition, high brightness, people imitate the display of display
Fruit and requirement are also constantly promoted, thus the load that lamp bar is born also improves therewith in the gradual power for increasing, being consumed, and causes
The heat for making lamp bar work and generating is continuously increased.
Traditional technology is lamp bar and cooling fin to be entirely fitted on hardware backboard, but hardware backboard is in process
In or for a long time influenced inevitably deform upon by heat, hardware backboard can inevitably drive lamp during deforming upon
Item, cooling fin or other parts deform upon, and the relative position so as to cause lamp bar and light guide plate shifts, and causes liquid crystal
There is a phenomenon where light and shade unevenness in use for panel.
Invention content
The purpose of the present invention is to provide a kind of backlight module and its displays, to solve lamp bar existing in the prior art
The problem of easily shifting with the relative position of light guide plate.
To achieve the above object, the technical solution adopted by the present invention is：A kind of backlight module, including backboard, heat dissipation are provided
Piece, lamp bar and light guide plate, the cooling fin include the side plate that bottom plate and one end are connect with the bottom surface, the side plate it is another
One end is provided with convex edge, and the bottom plate, the side plate and the convex edge, which are enclosed, is configured to cavity, and the lamp bar is installed on described recessed
Intracavitary；The convex edge is butted on the end face of the lamp bar, and the light guide plate is set on the backboard, the light guide plate have into
Smooth surface, incidence surface described in the lamp bar face.
Further, the other end integrally connected of the convex edge and the side plate.
Further, the other end of the convex edge and the side plate is to be detachably connected, and fixture block is provided on the convex edge,
The other end of the side plate is provided with the card slot for being clamped with the fixture block.
Further, protrusion is provided on the fixture block, the shape of the protrusion is hemispherical, is opened up on the cooling fin
It is useful for housing the groove of the protrusion.
Further, the convex edge is hollow, and the inside of the convex edge is filled with heat-conducting glue, and the surface of the convex edge is provided with
Graphite linings.
Further, the backlight module further includes the reflector plate being set between the bottom plate and the light guide plate, institute
Stating light guide plate has reflecting surface, reflecting surface described in the reflector plate face.
Further, the backlight module further includes optical film, and the light guide plate goes out with opposite with the reflecting surface
Smooth surface, the optical film are set on the light-emitting surface.
Further, the surface of the bottom plate is provided with several convex blocks for carrying the reflector plate.
Another object of the present invention is to provide the displays with above-mentioned backlight module, including are used to encapsulate the backlight
The frame of module, the frame include surface frame, center, and the liquid crystal display panel is set between the surface frame and the center, institute
Cooling fin is stated to be set between the center and the backboard.
Further, the surface frame, the center, the backboard are handware.
The advantageous effect of backlight module provided by the invention is：Compared with prior art, backboard of the invention and heat dissipation
Piece drives light guide plate that position offset, convex edge and bottom plate occurs to the clamping of lamp bar and limit so that lamp bar when bending deformation
With backboard, cooling fin synchronize bend deformation so that the holding before and after backboard deformation of lamp bar and the relative position of light guide plate
Unanimously so that backlight module in use light show it is more uniform.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the configuration schematic diagram of display provided by the invention；
Fig. 2 is the front view of display provided by the invention；
Fig. 3 is partial sectional views of the Fig. 2 along the first embodiment in the directions A-A；
Fig. 4 is the enlarged drawing at the B in Fig. 3；
Fig. 5 is the structural schematic diagram of the second embodiment of cooling fin in the present invention；
Wherein, each attached drawing main mark in figure：
1- backboards；2- cooling fins；3- lamp bars；4- light guide plates；5- bottom plates；6- side plates；The convex edges 7-；8- fixture blocks；9- card slots；
10- protrusions；11- grooves；12- reflector plates；13- optical films；14- convex blocks；15- liquid crystal display panels；16- surface frames；17- centers.
Specific implementation mode
In order to make technical problems, technical solutions and advantages to be solved be more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being set to " 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.
In the description of the present invention, it is to be understood that, term "center", " length ", " width ", " thickness ", "upper",
The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot manage
Solution is limitation of the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
The interaction relationship of connection or two elements inside two elements.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
Also referring to Fig. 1 and Fig. 3, now backlight module provided by the invention is illustrated.Backlight module, including backboard
1, cooling fin 2, lamp bar 3 and light guide plate 4, the side plate 6 that cooling fin 2 is connect including bottom plate 5 and one end with bottom surface, side plate 6
The other end is provided with convex edge 7, and bottom plate 5, side plate 6 and convex edge 7, which are enclosed, is configured to cavity, and lamp bar 3 is installed in cavity；Convex edge 7 is supported
In on the end face of lamp bar 3, light guide plate 4 is set on backboard 1, and light guide plate 4 has incidence surface, 3 face incidence surface of lamp bar.
Mainly as caused by being bent backboard 1, lamp bar 3 is pasted onto on side plate 6 and is abutted against with convex edge 7 and bottom plate 5 for deformation,
Since backboard 1 and cooling fin 2 are fixed together by fastener, backboard 1 cooling fin 2 and back of the body during deforming upon
Synchronous deformation occurs for plate 1, and the position of light guide plate 4 also shifts therewith, lamp bar 3 under the limit of convex edge 7 and bottom plate 5 with backboard
1 deformation synchronous with the generation of cooling fin 2, to which lamp bar 3 and the relative position before the relative position of light guide plate 4 and deformation keep phase
Together.
Backlight module provided by the invention, compared with prior art, backboard 1 and cooling fin 2 band when bending deformation
Position offset, convex edge 7 and bottom plate 5 occur for dynamic light guide plate 4 to the clamping of lamp bar 3 and limit so that lamp bar 3 and backboard 1, cooling fin 2
Synchronize the deformation that bends so that lamp bar 3 and the relative position of light guide plate 4 are consistent before and after 1 deformation of backboard so that the back of the body
Optical mode group in use light show it is more uniform.
Further, also referring to Fig. 3 and Fig. 4, a kind of specific embodiment party as backlight module provided by the invention
Formula, the other end integrally connected of convex edge 7 and side plate 6；The side plate 6 of cooling fin 2 is processed integrally formed with convex edge 7 to cooling fin 2
When by side plate 6 extend and bending obtain convex edge 7, it is easy to process, it is easy to accomplish.
Further, it please refers to Fig.1 and Fig. 5, it is convex as a kind of specific implementation mode of backlight module provided by the invention
With the other end of side plate 6 be to be detachably connected along 7, be provided with fixture block 8 on convex edge 7, the other end of side plate 6 be provided with for card
The card slot 9 that block 8 is clamped；Since lamp bar 3 is bending and needs to be pasted onto on side plate 6, if convex edge 7 and side plate 6 are integrally formed
The time consumed when installation is long, and using dismountable connection type, after lamp bar 3 is attached on side plate 6, fixture block 8 is inserted into card slot 9
It is interior, 3 more time saving convenience of lamp bar is installed, also allows for being replaced in time once convex edge 7 deforms or damages.
Further, referring to Fig. 5, being provided with protrusion 10 on fixture block 8, the shape of protrusion 10 is hemispherical, is opened on side plate 6
Equipped with the groove 11 for accommodating protrusion 10；Fixture block 8 is inserted into card slot 9 and then protrusion 10 is driven to be embedded in groove 11 so that convex edge 7
More secured with the connection of side plate 6, to prevent side plate 6 and convex edge 7, in deformation, there is a phenomenon where be detached from.
Further, convex edge 7 is hollow structure, is provided with heat-conducting glue in convex edge 7, i.e. heat-conducting glue is filled in the interior of convex edge 7
The surface in portion, convex edge 7 is provided with graphite linings；Heat-conducting glue inside graphite linings and convex edge 7 makes the heat generated in backlight module
It is easier to distribute, reduces the deformation that convex edge 7 is generated by heat.
Further, also referring to Fig. 1 and Fig. 3, backlight module further includes being set between bottom plate 5 and light guide plate 4
Reflector plate 12, light guide plate 4 have reflecting surface, 12 face reflecting surface of reflector plate；The light that lamp bar 3 is emitted is along light guide plate 4
The plane of incidence is injected, and a portion light is directly projected from the exit facet of light guide plate 4, reflection of another light from light guide plate 4
Face is projected and is projected again from the exit facet of light guide plate 4 after the reflection of reflector plate 12, and dissipating for the light that lamp bar 3 is emitted is reduced
It loses, improves the utilization rate for the light that lamp bar 3 is emitted.
Further, also referring to Fig. 1 and Fig. 3, backlight module further includes optical film 13, and light guide plate 4 has and reflection
The opposite light-emitting surface in face, optical film 13 are set on light-emitting surface, and optical film 13 is anti-reflection film herein, and light is anti-through reflector plate 12
It penetrates and enters the light corrected for antireflective optical film 13 after the refraction of light guide plate 4 after the refraction of light guide plate 4, increase light
The brightness of line and uniformity；Certainly can also according to specific needs by optical film 13 select be filter coating, optical protection layer or its
The optical film 13 of his purposes.
Further, referring to Fig. 4, the surface of bottom plate 5 is provided with several convex blocks 14 for carrying reflector plate 12；Relatively
In smooth bottom plate 5, convex block 14 increases the surface area of bottom plate 5, and the heat dissipation area for being equivalent to bottom plate 5 increases, and improves scattered
The heat dissipation effect of backing 2.
It please refers to Fig.1 and Fig. 2, the present invention also provides a kind of displays, and there is above-mentioned backlight module, display to include liquid crystal surface
Plate 15 and frame for encapsulating backlight module, frame include surface frame 16, center 17, liquid crystal display panel 15 be set to surface frame 16 and in
Between frame 17, center 16 is coated on the surrounding lateral margin of backlight module；After backlight module is installed, center 17 and surface frame are assembled
16 encapsulate backlight module, form display.
Further, surface frame 16, center 17, backboard 1 are handware, and handware has good processing performance and change
Performance is learned, processing performance aspect, the casting character of handware, welding performance, top gas section performance, punching performance, forgeability are good
It is good；In terms of chemical property, handware has good corrosion resistance and inoxidizability, surface frame 16, center 17 and backboard 1 to use this
Material can preferably protect backlight module, display are more firmly mounted, are solid.
The operation principle of the backlight module of the present invention：The deformation that bends of backboard 1 causes cooling fin 2 that synchronous deformation occurs,
Backboard 1 drives light guide plate 4 that position offset occurs simultaneously, and cooling fin 2 convex edge 7 and bottom plate 5 during deformation apply lamp bar 3
The effect of external force makes lamp bar 3 identical as the deformation holding of cooling fin 2, therefore relative position and generation of the lamp bar 3 with light guide plate 4
Relative position before deformation is consistent, and the light that lamp bar 3 is emitted is kept after light guide plate 4, sheet emitting, optical film 13
Preset brightness and uniformity avoid the occurrence of the phenomenon that light and shade unevenness occurs in use in liquid crystal display panel 15.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. backlight module, it is characterised in that：Including backboard, cooling fin, lamp bar and light guide plate, the cooling fin include bottom plate with
And the side plate that one end is connect with the bottom surface, the other end of the side plate are provided with convex edge, the bottom plate, the side plate and institute
It states convex edge and encloses and be configured to cavity, the lamp bar is installed in the cavity；The convex edge is butted on the end face of the lamp bar, described
Light guide plate is set on the backboard, and the light guide plate has incidence surface, incidence surface described in the lamp bar face.
2. backlight module as described in claim 1, it is characterised in that：The convex edge and the other end of the side plate integrally connect
It connects.
3. backlight module as described in claim 1, it is characterised in that：The convex edge and the other end of the side plate are detachable
It connects, is provided with fixture block on the convex edge, the other end of the side plate is provided with the card slot for being clamped with the fixture block.
4. the backlight module of liquid crystal display as claimed in claim 3, it is characterised in that：It is provided with protrusion on the fixture block,
The shape of the protrusion is hemispherical, and the groove for housing the protrusion is offered on the side plate.
5. the backlight module of liquid crystal display as claimed in claim 3, it is characterised in that：It is provided with heat conduction in the convex edge
The surface of glue, the convex edge is provided with graphite linings.
6. backlight module as described in claim 1, it is characterised in that：The backlight module further include be set to the bottom plate and
Reflector plate between the light guide plate, the light guide plate have reflecting surface, reflecting surface described in the reflector plate face.
7. backlight module as claimed in claim 6, it is characterised in that：The backlight module further includes optical film, the leaded light
There is plate the light-emitting surface opposite with the reflecting surface, the optical film to be set on the light-emitting surface.
8. backlight module as claimed in claim 6, it is characterised in that：The surface of the bottom plate is provided with several for carrying institute
State the convex block of reflector plate.
9. display, it is characterised in that：The display includes the backlight module described in any one of claim 1-8, described
Display further includes liquid crystal display panel and frame, and the frame includes surface frame, center, the liquid crystal display panel be set to the surface frame and
Between the center, the center is coated on the surrounding lateral margin of the backlight module.
10. display as claimed in claim 9, it is characterised in that：The surface frame, the center, the backboard are hardware
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810373297.4A CN108508655B (en) | 2018-04-24 | 2018-04-24 | Backlight module and display thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810373297.4A CN108508655B (en) | 2018-04-24 | 2018-04-24 | Backlight module and display thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108508655A true CN108508655A (en) | 2018-09-07 |
| CN108508655B CN108508655B (en) | 2024-07-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810373297.4A Active CN108508655B (en) | 2018-04-24 | 2018-04-24 | Backlight module and display thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108508655B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824773A (en) * | 2019-11-22 | 2020-02-21 | 京东方科技集团股份有限公司 | Backlight assembly, backlight module and display panel |
| CN112255836A (en) * | 2020-11-03 | 2021-01-22 | 重庆翰博光电有限公司 | Side light leakage backlight module suitable for super narrow frame solution |
| CN116300203A (en) * | 2023-03-15 | 2023-06-23 | 深圳康佳电子科技有限公司 | Television module with single lamp strip and liquid crystal display television |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN110824773A (en) * | 2019-11-22 | 2020-02-21 | 京东方科技集团股份有限公司 | Backlight assembly, backlight module and display panel |
| CN110824773B (en) * | 2019-11-22 | 2022-08-30 | 京东方科技集团股份有限公司 | Backlight assembly, backlight module and display panel |
| CN112255836A (en) * | 2020-11-03 | 2021-01-22 | 重庆翰博光电有限公司 | Side light leakage backlight module suitable for super narrow frame solution |
| CN116300203A (en) * | 2023-03-15 | 2023-06-23 | 深圳康佳电子科技有限公司 | Television module with single lamp strip and liquid crystal display television |
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| CN108508655B (en) | 2024-07-19 |
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