CN208569260U - A kind of backlight module of high intensity - Google Patents
A kind of backlight module of high intensity Download PDFInfo
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- CN208569260U CN208569260U CN201821230790.2U CN201821230790U CN208569260U CN 208569260 U CN208569260 U CN 208569260U CN 201821230790 U CN201821230790 U CN 201821230790U CN 208569260 U CN208569260 U CN 208569260U
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- frame
- middle shell
- backlight module
- high intensity
- intensity according
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Abstract
The utility model discloses a kind of backlight modules of high intensity, including after-frame (1), middle shell (2), diaphragm unit (3), front frame (4) and side light source (5), the diaphragm unit (3) is mounted in middle shell (2), the middle shell (2) is fixed in after-frame (1), and the front frame (4) and after-frame (1) fasten；The side light source (5) is fixed on a side in after-frame (1), and the height of the after-frame (1) is higher than the height of middle shell (2)；The after-frame (1) and front frame (4) are metal material, and the middle shell (2) is plastic cement material.The utility model is used to improve the intensity of backlight source module.
Description
Technical field
The utility model relates to the parts technical fields of liquid crystal display, and in particular to a kind of backlight mould of high intensity
Group.
Background technique
Liquid crystal display is the display of current mainstream, is widely used in TV, computer, vehicle-mounted, field of mobile phones, but liquid
Crystal display is necessarily required to backlight module and provides backlight to be able to achieve the display of picture.Backlight module generally comprise front frame, after-frame,
Light source, diaphragm unit etc., at present generally using metal or front frame, the after-frame of plastic cement material.Metal front frame, after-frame are rushed using iron sheet
It presses, it is preferable but easily-deformable using metal material front frame, the backlight module toughness of after-frame.Using plastic cement material front frame, after-frame
Backlight module be unlikely to deform but more crisp.It is deposited using the backlight module of plastic cement material or metal material front frame, after-frame in a word
In strength problem, and intensity is also an important indicator of backlight module, and especially large-size screen monitors show, are intended in vehicle-mounted use environment
Seek the biggish backlight module of intensity.
Utility model content
The technical issues of the utility model solves is to provide a kind of metal, plastic cement are used in combination to provide a kind of high intensity
Backlight module.
In order to solve the above technical problems, the technical solution of the utility model is: a kind of backlight module of high intensity, including it is rear
Frame, middle shell, diaphragm unit, front frame and side light source, the diaphragm unit are mounted in middle shell, and the middle shell is fixed in after-frame,
The front frame and after-frame fasten；The side light source is fixed on a side in after-frame, and the height of the after-frame is higher than middle shell
Height；The after-frame and front frame are metal material, and the middle shell is plastic cement material.
Further, it is provided with the first fixture block on the outside of the middle shell surrounding, is provided with the first card hole on the inside of the after-frame,
First fixture block matches with the first card hole.
Further, the middle shell back side is provided with stud, and the after-frame back side is provided with fixed station, the back of the after-frame
The lower position of fixed station is provided with perforation on face, and the stud matches with fixed station and perforation.
Further, the middle shell back side is additionally provided with the first positioning column, and the after-frame back side is provided with first positioning hole,
First positioning column matches with first positioning hole.
Further, the diaphragm unit includes reflective membrane, light guide plate, light-diffusing film and bright enhancement film, the reflective membrane, leaded light
Plate, light-diffusing film and bright enhancement film are successively set on from the bottom up in middle shell.
Further, the side of the light guide plate is provided with the second fixture block, is provided with the second card on the middle shell medial surface
Hole, second fixture block and the second card hole match.
Further, the outside above the light guide plate is provided with positioning protrusion, is all provided on the light-diffusing film and bright enhancement film
Locating aperture is set, the positioning protrusion and locating aperture match.
Further, the middle shell-side face is provided with the second positioning column, and second location hole is provided in the front frame, described
Second positioning column matches with second location hole.
Further, it is provided with third fixture block on the outside of the after-frame, is provided with third card hole on the inside of the front frame, described the
Three fixture blocks match with third card hole.
Further, damping rubber is provided in the front frame.
Beneficial effect of the utility model mainly has the following: the after-frame, middle shell are fixed together to support
Entire modular structure is combined by the after-frame of metal material and the middle shell of plastic material, that is, can guarantee the toughness of mould group, can also protect
It is bad to demonstrate,prove mould group rhegma not easy to brittle, ensure that the intensity of backlight module；Light guide plate side fixed company by way of engaging with middle shell
It connects, structure is simple, easy for installation, installation is reliable and stable；Light guide plate and diaphragm are positioned by positioning protrusion and locating aperture, structure
Simply, it installs easy to operate.
Detailed description of the invention
Fig. 1 is the configuration schematic diagram of backlight module entirety high-intensitive in the utility model embodiment one；
Fig. 2 is the structural schematic diagram at the after-frame back side of backlight module entirety high-intensitive in the utility model embodiment one；
Fig. 3 is the structural schematic diagram at the middle shell back side of backlight module entirety high-intensitive in the utility model embodiment one.
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable；The same or similar label corresponds to same or similar
Component；The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, below in conjunction with attached drawing and embodiment to the utility model carry out into
One step detailed description.
Embodiment one
Refering to fig. 1 ~ 3, a kind of backlight module of high intensity, including after-frame 1, middle shell 2, diaphragm unit 3, front frame 4 and sidelight
Source 5, the diaphragm unit 3 are mounted in middle shell 2, and the middle shell 2 is fixed in after-frame 1, and the after-frame 1 is metal material, most
Light-weight, good heat dissipation aluminium is used well, and the middle shell 2 is plastic cement material, and the after-frame 1, middle shell 2 are fixed together to support
Entire modular structure can guarantee the toughness of mould group, also can guarantee by the after-frame 1 of metal material and the middle shell 2 of plastic material
Mould group rhegma not easy to brittle is bad, ensure that the intensity of backlight module.The side light source 5 is fixed on a side in after-frame 1, side
Light source 5 can use LED light bar, and side light source 5 is pasted on after-frame 1 by heat-conducting glue, and the after-frame 1 of metal material ensure that backlight
The heat dissipation performance of mould group.In order to which the light for enabling side light source 5 to issue enters in the diaphragm unit 3 in middle shell 2, the after-frame 1
Height be higher than the height of middle shell 2, side light source 5 is mounted on 1 higher position of after-frame, so that the light that side light source 5 issues can be therefrom
It is injected to above shell 2 in diaphragm unit 3.The front housing 4 is detained preferably with metal material, such as iron, the front frame 4 with after-frame 1
It closes, diaphragm unit 3 is fixed on after-frame 1, in the overall structure that middle shell 2 is formed to play.
Refering to fig. 1 ~ 3, it is provided with the first fixture block 22 on the outside of 2 surrounding of middle shell, is provided with first on the inside of the after-frame 1
Card hole 11, first fixture block 22 match with the first card hole 11, to pass through the first fixture block 22 when installing after-frame 1 and middle shell 2
The two can be fixedly connected with the clamping of the first card hole 11.
Refering to fig. 1 ~ 3, in order to further enhance the reliability that after-frame 1 is connect with middle shell 2, middle 2 back side of shell is provided with
Stud 23,1 back side of after-frame are provided with fixed station 12, and the lower position of fixed station 12 is provided on the back side of the after-frame 1
Perforation 13, fixed station 12 and perforation 13 can pass through punching press one-pass molding, the stud 23 and 13 phases of fixed station 12 and perforation
Match, i.e. position and in the same size, screw hole is provided on fixed station.When installation, stud 23 is passed through from perforation 13, the first fixture block 22 with
After the clamping of first card hole 11, then fixed station 12 and stud 23 be screwed.
Refering to fig. 1 ~ 3,2 back side of middle shell is additionally provided with the first positioning column 24, and it is fixed that 1 back side of after-frame is provided with first
Position hole 14, first positioning column 24 match with first positioning hole 14.When installation, positioned by first positioning hole 14 and first
Column 24 cooperates 1 position alignment of middle shell 2 and after-frame, avoids misplacing.It is also provided with positioning column above there are two in four additional stud,
Cooperate with the hole on fixed station and positions.
Refering to fig. 1, the diaphragm unit 3 includes reflective membrane 31, light guide plate 32, light-diffusing film 33 and bright enhancement film 34, described anti-
Light film 31, light guide plate 32, light-diffusing film 33 and bright enhancement film 34 are successively set on from the bottom up in middle shell 2, can be with according to light efficiency needs
Two light-diffusing films 33 are set, so that backlight module goes out light more evenly.
Refering to fig. 1, in order to fix diaphragm unit 3 in middle shell 2, the side of the light guide plate 32 is provided with the second fixture block
321, the second card hole 25 is provided on middle 2 medial surface of shell, and second fixture block 321 and the second card hole 25 match, in
When being packed into light guide plate 32 in shell 2, it is put into light guide plate 32, the second fixture block 321 and the second card hole 25 can be engaged.It is tied by engaging
Structure carrys out lightguide plate fixing, and structure is simple, easy for installation, installation is reliable and stable.
Refering to fig. 1, for the positioning of diaphragm and light guide plate, the outside above the light guide plate 32 is provided with positioning protrusion
322, locating aperture 35,35 phase of the positioning protrusion 322 and locating aperture are respectively provided on the light-diffusing film 33 and bright enhancement film 34
Match, i.e. 35 size of positioning protrusion 322 and locating aperture, position consistency, light-diffusing film 33 and bright enhancement film 34 are placed into and are led by when assembling
On tabula rasa 32, positioning can be realized by the cooperation of positioning protrusion 322 and locating aperture 35.
Refering to fig. 1, in order to which front frame 4 and the assembled position of middle shell 2 are more accurate, it is fixed that middle 2 side of shell is provided with second
Position column 26, is provided with second location hole 41 in the front frame 4, and second positioning column 26 matches with second location hole 41, pacifies
Front frame 4 is placed on center 2 by the second positioning column 26 and the cooperation of second location hole 41 when dress.
Refering to fig. 1, it is provided with third fixture block 15 on the outside of the after-frame 1, is provided with third card hole 42 on the inside of the front frame 4,
The third fixture block 15 matches with third card hole 42, and the two is passed through third fixture block 15 and third when front frame 4 and after-frame 1 assemble
Card hole 42 engages.It is provided with a circle damping rubber 43 in the front frame 4, liquid crystal display is facilitated to install, avoids its damage.
When the high-intensitive backlight module assembling of the utility model, first middle shell 2 is fitted into after-frame 1, then by reflective membrane 31,
Light guide plate 32, light-diffusing film 33 and bright enhancement film 34 are sequentially loaded into middle shell 2, finally fasten front frame 4 and after-frame 1.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (10)
1. a kind of backlight module of high intensity, it is characterised in that: including after-frame (1), middle shell (2), diaphragm unit (3), front frame (4)
With side light source (5), the diaphragm unit (3) is mounted in middle shell (2), and the middle shell (2) is fixed in after-frame (1), before described
Frame (4) and after-frame (1) fasten；The side light source (5) is fixed on a side in after-frame (1), the height of the after-frame (1)
Higher than the height of middle shell (2)；The after-frame (1) and front frame (4) are metal material, and the middle shell (2) is plastic cement material.
2. the backlight module of high intensity according to claim 1, it is characterised in that: set on the outside of middle shell (2) surrounding
It is equipped with the first fixture block (22), is provided with the first card hole (11) on the inside of the after-frame (1), first fixture block (22) and the first card hole
(11) match.
3. the backlight module of high intensity according to claim 2, it is characterised in that: middle shell (2) back side is provided with spiral shell
Column (23), after-frame (1) back side are provided with fixed station (12), and on the back side of the after-frame (1) the lower orientation of fixed station (12)
It installs and is equipped with perforation (13), the stud (23) matches with fixed station (12) and perforation (13).
4. the backlight module of high intensity according to claim 3, it is characterised in that: middle shell (2) back side is additionally provided with
First positioning column (24), after-frame (1) back side are provided with first positioning hole (14), and first positioning column (24) is fixed with first
Position hole (14) matches.
5. the backlight module of high intensity according to claim 1, it is characterised in that: the diaphragm unit (3) includes reflective
Film (31), light guide plate (32), light-diffusing film (33) and bright enhancement film (34), the reflective membrane (31), light guide plate (32), light-diffusing film (33)
It is successively set in middle shell (2) from the bottom up with bright enhancement film (34).
6. the backlight module of high intensity according to claim 5, it is characterised in that: the side of the light guide plate (32) is arranged
Have the second fixture block (321), is provided with the second card hole (25) on middle shell (2) medial surface, second fixture block (321) and second
Card hole (25) matches.
7. the backlight module of high intensity according to claim 5, it is characterised in that: the outside of the light guide plate (32) above
It is provided with positioning protrusion (322), is respectively provided with locating aperture (35), the convex on the light-diffusing film (33) and bright enhancement film (34)
It plays (322) and locating aperture (35) matches.
8. the backlight module of high intensity according to claim 1, it is characterised in that: middle shell (2) side is provided with
Two positioning columns (26) are provided with second location hole (41) on the front frame (4), second positioning column (26) and second location hole
(41) match.
9. the backlight module of high intensity according to claim 1, it is characterised in that: be provided with the on the outside of the after-frame (1)
Three fixture blocks (15), front frame (4) inside are provided with third card hole (42), the third fixture block (15) and third card hole (42) phase
Matching.
10. the backlight module of described in any item high intensity according to claim 1 ~ 9, it is characterised in that: set on the front frame (4)
It is equipped with damping rubber (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821230790.2U CN208569260U (en) | 2018-08-01 | 2018-08-01 | A kind of backlight module of high intensity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821230790.2U CN208569260U (en) | 2018-08-01 | 2018-08-01 | A kind of backlight module of high intensity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208569260U true CN208569260U (en) | 2019-03-01 |
Family
ID=65449221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821230790.2U Active CN208569260U (en) | 2018-08-01 | 2018-08-01 | A kind of backlight module of high intensity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208569260U (en) |
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2018
- 2018-08-01 CN CN201821230790.2U patent/CN208569260U/en active Active
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