CN208314410U - Backlight module and its display - Google Patents
Backlight module and its display Download PDFInfo
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- CN208314410U CN208314410U CN201820593462.2U CN201820593462U CN208314410U CN 208314410 U CN208314410 U CN 208314410U CN 201820593462 U CN201820593462 U CN 201820593462U CN 208314410 U CN208314410 U CN 208314410U
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- backlight module
- convex edge
- plate
- lamp bar
- light guide
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Abstract
The utility model provides a kind of backlight module and its display, 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 utility model, compared with prior art, the backboard and cooling fin of the utility model drive light guide plate that positional shift occurs when bending deformation, convex edge and bottom plate to aid and the limit of lamp bar so that lamp bar and backboard, cooling fin synchronize bend deformation, so that the relative position of lamp bar and light guide plate is consistent before and after backboard deformation so that backlight module in use light show it is more uniform.
Description
Technical field
The utility model belongs to display device technology field, is to be related to a kind of backlight module and its display more specifically
Device.
Background technique
With constantly developing towards fine definition, high brightness for liquid crystal display, people imitate the display of display
Fruit and require also constantly to be promoted, thus the load that is born of lamp bar be gradually increased, consumed power also increases accordingly, cause
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 by heat is influenced inevitably understand deformation occurs, hardware backboard inevitably will drive lamp during deformation occurs
Deformation occurs for item, cooling fin or other components, 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.
Utility model content
The purpose of this utility model is to provide a kind of backlight module and its displays, existing in the prior art to solve
The problem of relative position of lamp bar and light guide plate easily shifts.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of backlight module, including backboard,
Cooling fin, lamp bar and light guide plate, the cooling fin include the side plate that bottom plate and one end are connect with the bottom plate, the side plate
The other end be provided with convex edge, the bottom plate, the side plate and the convex edge, which are enclosed, is configured to cavity, and the lamp bar is installed on institute
It states in cavity；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 tool
There are incidence 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 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.
Further, protrusion is provided on the fixture block, the shape of the protrusion is hemispherical, is opened up on the cooling fin
There is the groove for accommodating 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 for carrying the convex block of the reflector plate.
The another object of the utility model is to provide the display with above-mentioned backlight module, including is used to encapsulate described
The frame of backlight module, the frame include surface frame, center, the liquid crystal display panel be set to the surface frame and the center it
Between, the cooling fin is set between the center and the backboard.
Further, the surface frame, the center, the backboard are handware.
The beneficial effect of backlight module provided by the utility model is: compared with prior art, the back of the utility model
Plate and cooling fin drive light guide plate that positional shift, the clamping and limit of convex edge and bottom plate to lamp bar occurs when bending deformation
So that lamp bar and backboard, cooling fin synchronize bend deformation so that the relative position of lamp bar and light guide plate is in backboard deformation
Front and back is consistent so that backlight module in use light show it is more uniform.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the configuration schematic diagram of display provided by the utility model；
Fig. 2 is the main view of display provided by the utility model；
Fig. 3 is partial sectional view of the Fig. 2 along the first embodiment in the direction 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 utility model；
Wherein, each attached drawing main mark in figure:
1- backboard；2- cooling fin；3- lamp bar；4- light guide plate；5- bottom plate；6- side plate；The convex edge 7-；8- fixture block；9- card slot；
10- protrusion；11- groove；12- reflector plate；13- optical film；14- convex block；15- liquid crystal display panel；16- surface frame；17- center.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly 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 should be understood that term " center ", " length ", " width ", " thickness ",
The orientation of the instructions such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
This should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting 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 of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements or the interaction relationship of two elements.For those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.
Also referring to Fig. 1 and Fig. 3, now backlight module provided by the utility model is illustrated.Backlight module, including
Backboard 1, cooling fin 2, lamp bar 3 and light guide plate 4, cooling fin 2 include bottom plate 5 and the side plate 6 that one end is connect with bottom plate 5, side
The other end of plate 6 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；It is convex
It is butted on the end face of lamp bar 3 along 7, light guide plate 4 is set on backboard 1, and light guide plate 4 has incidence surface, 3 face incidence surface of lamp bar.
Caused by deformation is mainly bent as backboard 1, lamp bar 3 is pasted on side plate 6 and abuts against with convex edge 7 and bottom plate 5,
Since backboard 1 and cooling fin 2 are fixed together by fastener, backboard 1 cooling fin 2 and back during deformation occurs
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, so that lamp bar 3 keeps phase with the relative position before the relative position of light guide plate 4 and deformation
Together.
Backlight module provided by the utility model, compared with prior art, backboard 1 and cooling fin 2 are in the deformation that bends
When drive light guide plate 4 to occur positional shift, convex edge 7 and bottom plate 5 are to clamping and the limit of lamp bar 3 so that lamp bar 3 and backboard 1, dissipating
Backing 2 synchronizes 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 backlight module in use light show it is more uniform.
Further, a kind of specific reality also referring to Fig. 3 and Fig. 4, as backlight module provided by the utility model
Apply mode, the other end integrally connected of convex edge 7 and side plate 6；The side plate 6 of cooling fin 2 is integrally formed with convex edge 7, to cooling fin 2
Side plate 6 is extended when processing and bending obtains convex edge 7, it is easy to process, it is easy to accomplish.
Further, Fig. 1 and Fig. 5 are please referred to, a kind of specific embodiment party as backlight module provided by the utility model
The other end of formula, convex edge 7 and side plate 6 is to be detachably connected, and fixture block 8 is provided on convex edge 7, and the other end setting of side plate 6 is useful
In the card slot 9 being clamped with fixture block 8；Since lamp bar 3 is curved and needs to be pasted on side plate 6, if 6 one of convex edge 7 and side plate
The time that molding consumes when then installing is long, and using dismountable connection type, after lamp bar 3 is attached on side plate 6, fixture block 8 is inserted
Enter in card slot 9, the more time saving convenience of lamp bar 3 is installed, is also convenient for carrying out in time more once convex edge 7 deforms or damages
It changes.
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 and side plate 6 connection it is stronger, 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 after the refraction of light guide plate 4 for antireflective optical film 13 after the refraction of light guide plate 4, increase light
The brightness and uniformity of line；Certainly also according to specific needs by optical film 13 select for 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 being used to carry 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.
Fig. 1 and Fig. 2 are please referred to, the utility model also provides a kind of display, has above-mentioned backlight module, and display includes liquid
Crystal panel 15 and frame for encapsulating backlight module, frame includes surface frame 16, center 17, and liquid crystal display panel 15 is set to surface frame 16
Between center 17, center 16 is coated on the surrounding lateral margin of backlight module；After the installation is completed by backlight module, 17 He of center is assembled
Surface frame 16 encapsulates backlight module, forms 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, and surface frame 16, center 17 and backboard 1 use this
Material can preferably protect backlight module, and display is more firmly mounted, is solid.
The working principle of the backlight module of the utility model: the deformation that bends of backboard 1 causes cooling fin 2 that synchronous shape occurs
Become, at the same backboard 1 drive light guide plate 4 occur positional shift, cooling fin 2 during deformation convex edge 7 and bottom plate 5 to lamp bar 3
Apply the effect of external force so that lamp bar 3 is identical with deformation holdings of cooling fin 2, thus the relative position of lamp bar 3 and light guide plate 4 and
Relative position before deformation occurs is consistent, and the light that lamp bar 3 is emitted is after light guide plate 4, sheet emitting, optical film 13
Preset brightness and uniformity are kept, the phenomenon that light and shade unevenness occurs in use in liquid crystal display panel 15 is avoided the occurrence of.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
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 plate, 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 other end of the convex edge and the side plate is 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. backlight module as claimed in claim 3, it is characterised in that: be provided with protrusion, the shape of the protrusion on the fixture block
Shape is hemispherical, and the groove for accommodating the protrusion is offered on the side plate.
5. backlight module as claimed in claim 3, it is characterised in that: heat-conducting glue is provided in the convex edge, the convex edge
Surface 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
Plate has the light-emitting surface opposite with the reflecting surface, and the optical film is 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 backlight module of any of claims 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 |
|---|---|---|---|
| CN201820593462.2U CN208314410U (en) | 2018-04-24 | 2018-04-24 | Backlight module and its display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820593462.2U CN208314410U (en) | 2018-04-24 | 2018-04-24 | Backlight module and its display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208314410U true CN208314410U (en) | 2019-01-01 |
Family
ID=64714336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820593462.2U Active CN208314410U (en) | 2018-04-24 | 2018-04-24 | Backlight module and its display |
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| Country | Link |
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| CN (1) | CN208314410U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508655A (en) * | 2018-04-24 | 2018-09-07 | 合肥惠科金扬科技有限公司 | Backlight module and its display |
| CN110379303A (en) * | 2019-07-29 | 2019-10-25 | 武汉华星光电技术有限公司 | Display device |
| CN114839814A (en) * | 2022-07-05 | 2022-08-02 | 惠科股份有限公司 | Backlight module, display device and assembling method of display device |
-
2018
- 2018-04-24 CN CN201820593462.2U patent/CN208314410U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508655A (en) * | 2018-04-24 | 2018-09-07 | 合肥惠科金扬科技有限公司 | Backlight module and its display |
| CN110379303A (en) * | 2019-07-29 | 2019-10-25 | 武汉华星光电技术有限公司 | Display device |
| CN114839814A (en) * | 2022-07-05 | 2022-08-02 | 惠科股份有限公司 | Backlight module, display device and assembling method of display device |
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