CN208013475U - The vehicle-mounted back light source structure of anti-sound of movement - Google Patents
The vehicle-mounted back light source structure of anti-sound of movement Download PDFInfo
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- CN208013475U CN208013475U CN201820589663.5U CN201820589663U CN208013475U CN 208013475 U CN208013475 U CN 208013475U CN 201820589663 U CN201820589663 U CN 201820589663U CN 208013475 U CN208013475 U CN 208013475U
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- optical film
- guide plate
- light guide
- vehicle
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Abstract
The utility model discloses a kind of vehicle-mounted back light source structure of anti-sound of movement, including backboard and the light guide plate and optical film group that are stacked from the bottom up in backboard；The vehicle-mounted back light source structure has luminous zone and non-light-emitting area, and the light guide plate is in non-light-emitting area and the position far from luminous zone is equipped with positioning convex column；The optical film group includes at least the first optical film, the second optical film and third optical film being cascading from the bottom up in light guide plate upper surface, the lower face of side, first optical film where corresponding positioning convex column comes with bar shaped double-sided adhesive, and the bar shaped double-sided adhesive is light guide plate and the first optical film to be fixedly connected；The upper surface of side, first optical film where corresponding positioning convex column comes with stepped double-sided adhesive, the step type double-sided adhesive is the second optical film and third optical film to be separately fixed on the different step surfaces of stepped double-sided adhesive, optical film group, anti-sound of movement can effectively be fixed.
Description
Technical field
The utility model is related to vehicle-mounted backlight technology fields, relate more specifically to a kind of vehicle-mounted backlight knot of anti-sound of movement
Structure.
Background technology
Important component of the back light source structure as display device, reliability directly affect the quality of display device, especially
It is the back light source structure applied in industry and vehicle-mounted product, it is a large amount of due to the use of existing in the process especially for vehicle-mounted product
Vibrations, so client to back light source structure vibrations reliability test, shake sound problem have higher requirement.
As shown in Figure 1, back light source structure generally comprises backboard 1, the light guide plate being arranged in backboard 12, is arranged in light guide plate
The optical film group 3 of 2 upper surfaces and the center 4 etc. for being fastened on 1 top of backboard, inside portion when vehicle-mounted back light source structure requires to rock
Part is without sound.As shown in Figure 1, Figure 2, wherein the anti-sound of movement measure of optical film group 3 is usually to fix optical film group in light guide plate 2
The stepped double-sided adhesive 5 of 3 side design, being pasted onto on the step surface of double-sided adhesive 5 from level to level of optical film group 3, but this is arranged
It applies and has the following problems：1, a double-sided adhesive 5 need to be manually attached, artificial attached process is increased；2, in 2 edge designs rank of light guide plate
The double-sided adhesive 5 of ladder type easy tos produce bright spot if double-sided adhesive 5 is too close apart from viewing area；3, light guide plate 2 is two-sided in edge designs
Viscous 5, limit the design of narrow frame；4, the optical film group 3 that the double-sided adhesive 5 of the step type is pasted, in the case where high speed is shaken, farthest
Diaphragm from light guide plate 2 easy tos produce shaking, although can again be pasted in the lower face of that diaphragm farthest away from light guide plate 2 two-sided
It glues to prevent sound of movement, but the measure again limits the automation attaching operation of this diaphragm.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides a kind of vehicle-mounted back of the body preventing optical film sound of movement
Light-source structure.
The utility model institute technique effect to be achieved is realized by following scheme：A kind of vehicle-mounted backlight knot of anti-sound of movement
Structure, including backboard and the light guide plate and optical film group that are stacked from the bottom up in backboard；The vehicle-mounted back light source structure tool
There are luminous zone and non-light-emitting area, the light guide plate is in non-light-emitting area and the position far from luminous zone is equipped with positioning convex column；It is described
Optical film group includes at least the first optical film in light guide plate upper surface that is cascading from the bottom up, the second optical film and the
The lower face of three optical films, side, first optical film where corresponding positioning convex column comes with bar shaped double-sided adhesive, the item
Shape double-sided adhesive is light guide plate and the first optical film to be fixedly connected；Side, first optics where corresponding positioning convex column
The upper surface of film comes with stepped double-sided adhesive, and the step type double-sided adhesive is to by the second optical film and third optical film difference
It is fixed on the different step surfaces of stepped double-sided adhesive.
Preferably, distance of the positioning convex column apart from luminous zone is more than or equal to 2mm.
Preferably, the bonding area of the third optical film is more than the bonding area of the second optical film.
Preferably, further include center, the center has cyclic annular platform and bends downward the side wall of extension by cyclic annular platform, described
Backboard has bottom plate and is folded upward at the side plate of extension by bottom plate, and the side wall is fastened with side plate.
Preferably, further include the luminescence component of corresponding light guide plate side setting, the positioning convex column is formed adjacent to shine
One end of component.
Preferably, further include the reflector plate being arranged in light guide plate lower face, between the reflector plate and bottom plate, reflector plate with
It is fixedly connected between light guide plate.
Preferably, the optical film group further includes the 4th optical film, and first optical film is diffusion barrier, the second optical film
For lower bright enhancement film, third optical film is upper bright enhancement film, and the 4th optical film is sunscreen film.
Preferably, the backboard is fixed with light guide plate magnetic.
The utility model has the following advantages：
1, by the way that bar shaped double-sided adhesive is arranged in the lower face of the first optical film, make light guide plate and the first optical film in large area
It is fixed, so that the first optical film is played the role of anti-sound of movement, then the second optical film and third optics are pasted by stepped double-sided adhesive
Film, and then make whole optical film group fixation, anti-sound of movement；
2, the height that stepped double-sided adhesive is designed according to the height of the second optical film and third optical film, makes the second optical film
It is entirely attached with third optical film, replaces light guide plate design step measure in the prior art, avoid bright spot or light leakage
The problem of；
3, since the lower face of the first optical film has been fixed with light guide plate large area, then it can make the second optical film and third light
The bonding area for learning film increases；
4, it is included with stepped double-sided adhesive due to the bar shaped double-sided adhesive of the first optical film, by optical film supplier one
Change supplied materials, is not required to producing line attaching, reduces rubberizing process.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of vehicle-mounted back light source structure in the prior art；
Fig. 2 is the structural schematic diagram that light guide plate sets stepped double-sided adhesive in Fig. 1；
Fig. 3 is the schematic cross-sectional view of the vehicle-mounted back light source structure of anti-sound of movement in the utility model；
Fig. 4 is the structural schematic diagram of light guide plate in Fig. 3；
Fig. 5 is the structural schematic diagram of the first optical film in Fig. 3；
Fig. 6 is the first optical film and the fixed structural schematic diagram of light guide plate；
Fig. 7 is the second optical film, third optical film and the 4th optical film and the fixed structural schematic diagram of light guide plate.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and examples, the examples of the embodiments are in attached drawing
In show, in which the same or similar labels are throughly indicated same or similar elements or with the same or similar functions
Element.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the utility model, and cannot understand
For limitations of the present invention.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the utility model.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic." first ", " second ", " third " are defined as a result,
Feature can explicitly or implicitly include one or more this feature." multiple " contain in the description of the present invention,
Justice is two or more, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
Calmly ", the terms such as " setting " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, can also be electrical connection；It can be directly connected, can also may be used also indirectly connected through an intermediary
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
The utility model embodiment provides a kind of vehicle-mounted back light source structure of anti-sound of movement, including backboard 110 and from the bottom up
It is stacked reflector plate 120, light guide plate 130 and optical film group 140 in backboard 110；The vehicle-mounted back light source structure has
Luminous zone VA and non-light-emitting area W, the light guide plate 130 is in the W of non-light-emitting area and the position far from luminous zone VA is equipped with convex
Column 131, the positioning convex column 131 for the attaching of optical film group 140 to carry out positioning action, and the optical film group 140 is fixed
The position empty avoiding setting of position pillar 131.The optical film group 140 is included at least and is cascading on light guide plate from the bottom up
The first optical film 141, the second optical film 142 and the third optical film 143 of end face, side, institute where corresponding positioning convex column 131
The lower face for stating the first optical film 141 comes with bar shaped double-sided adhesive 150, and the bar shaped double-sided adhesive 150 is to by light guide plate and
One optical film 141 is fixedly connected；The upper surface of side, first optical film 141 where corresponding positioning convex column 131 comes with
Stepped double-sided adhesive 170, the step type double-sided adhesive 170 fixing the second optical film 142 and third optical film 143 respectively
On the different step surfaces of stepped double-sided adhesive 170.
By the way that bar shaped double-sided adhesive 150 is arranged in the lower face of the first optical film 141 in the utility model, make light guide plate 130
It is fixed in large area with the first optical film 141, so that the first optical film 141 is played the role of anti-sound of movement, then by stepped two-sided
Viscous 170 paste the second optical film 142 and third optical film 143, have the following advantages that：1, according to the second optical film 142 and third
The height of the height design step type double-sided adhesive 170 of optical film 143, makes the second optical film 142 and third optical film 143 entirely
The problem of attaching, replacing light guide plate design step measure in the prior art, avoid bright spot or light leakage；2, due to the first light
The lower face for learning film 141 is fixed with light guide plate large area, then can make the stickup of the second optical film 142 and third optical film 143
Area increases；3, since the bar shaped double-sided adhesive 150 of the first optical film 141 and stepped double-sided adhesive 170 are included, by optical film
Supplier's integration supplied materials is not required to producing line attaching, reduces rubberizing process；4,141 structure of the first optical film of the utility model can
Make vehicle-mounted back light source structure in production and assembly, realizes that automation attaches.
As a further improvement, distance of the positioning convex column 131 apart from luminous zone VA is at least in 2mm or more.Avoid away from
From closely leading to problems such as very much to generate bright spot or light leakage.
As a further improvement, the bonding area of the third optical film 143 is more than the adhesive surface of the second optical film 142
Product, keeps the fixation of third optical film 143 more secured.
The vehicle-mounted back light source structure further includes center 160, and the center 160 has cyclic annular platform 161 and by cyclic annular platform 161
The side wall 162 of extension is bent downward, the backboard 110 has bottom plate 111 and is folded upward at the side plate 112 of extension by bottom plate 111,
The side wall 162 is fastened with side plate 112 and then makes reflector plate 120, light guide plate 130 and the optical film in back light source structure
140 are fixed in the space that center 160 and backboard 110 are formed.The ring-type platform 161 is arranged to support in vehicle-mounted backlight knot
Liquid crystal display panel above structure（It is not shown in figure）, back light source structure for liquid crystal display panel providing backlight.
Vehicle-mounted back light source structure described in the utility model further includes the luminescence component of 130 side of corresponding light guide plate setting
180, the positioning convex column 131 is formed adjacent to one end of luminescence component 180.The side of the light guide plate 130 as incidence surface,
As light-emitting surface, the linear light source that luminescence component 180 is sent out forms uniform ground light after entering 130 inside of light guide plate for upper surface
The light for being incident to 130 bottom of light guide plate can be reflected back the brightness that light is improved in light guide plate 130, optics by source, reflector plate 120
Film 140 more uniformly shows to the light for making light guide plate 130 be emitted.
In the utility model, the mode that the backboard 110 can also increase magnetic absorption with light guide plate 130 is fixedly connected, and is made
Backboard 110 is fixed more secured with center 160.For example, magnetic part can be arranged in the light guide plate 130, backboard 110 is arranged to can be with
The fixed material of magnetic part magnetic absorption.
In the utility model, the reflector plate 120 is fixedly connected with bottom plate 111, reflector plate 120 and light guide plate 130,
The mode being fixedly connected can be used existing in the prior art, such as pass through optics glue sticking.
In the utility model, the optical film group 140 further includes the 4th optical film 144, and the 4th optical film 144 glues
Bonding area of the veneer product more than third optical film 143.Preferably, first optical film 141 is diffusion barrier, the second optical film
142 be lower bright enhancement film, and third optical film 143 is upper bright enhancement film, and the 4th optical film 144 is sunscreen film, and the sunscreen film is existing
Existing material in technology prevents its deformation of fading, especially suitable for vehicle, it can be achieved that protective effect to diffusion barrier and bright enhancement film
It carries in back light source structure.Then there are three step surfaces for the stepped double-sided adhesive tool, respectively by the second optical film 142, third light
It learns film 143 and the 4th optical film 144 is adhesively fixed.
Vehicle-mounted back light source structure described in the utility model is particularly suitable for middle large scale（7 cun or more）Car-mounted display production
In product.
Finally, it should be noted that above example be only to illustrate the embodiment of the present invention technical solution rather than to its into
Row limitation, although the embodiment of the present invention is described in detail with reference to preferred embodiment, those skilled in the art
It should be understood that the technical solution of the embodiment of the present invention can be still modified or replaced equivalently, and these are changed or wait
The range of modified technical solution disengaging technical solution of the embodiment of the present invention cannot also be made with replacement.
Claims (8)
1. a kind of vehicle-mounted back light source structure of anti-sound of movement, including backboard and the light guide plate that is stacked from the bottom up in backboard and
Optical film group, which is characterized in that the vehicle-mounted back light source structure has luminous zone and non-light-emitting area, and the light guide plate is non-luminescent
In the area and position far from luminous zone is equipped with positioning convex column；The optical film group is included at least and is cascading from the bottom up
The first optical film, the second optical film and the third optical film of light guide plate upper surface, side where corresponding positioning convex column, described the
The lower face of one optical film comes with bar shaped double-sided adhesive, and the bar shaped double-sided adhesive connects to fix light guide plate and the first optical film
It connects；The upper surface of side, first optical film where corresponding positioning convex column comes with stepped double-sided adhesive, the step type
Double-sided adhesive is the second optical film and third optical film to be separately fixed on the different step surfaces of stepped double-sided adhesive.
2. the vehicle-mounted back light source structure of anti-sound of movement as described in claim 1, which is characterized in that the positioning convex column distance shines
The distance in area is more than or equal to 2mm.
3. the vehicle-mounted back light source structure of anti-sound of movement as described in claim 1, which is characterized in that the stickup of the third optical film
Area is more than the bonding area of the second optical film.
4. the vehicle-mounted back light source structure of anti-sound of movement as described in claim 1, which is characterized in that further include center, the center
The side wall of extension is bent downward with cyclic annular platform and by cyclic annular platform, the backboard has bottom plate and is folded upward at extension by bottom plate
Side plate, the side wall are fastened with side plate.
5. the vehicle-mounted back light source structure of anti-sound of movement as described in claim 1, which is characterized in that further include corresponding light guide plate side
The luminescence component of setting, the positioning convex column are formed adjacent to one end of luminescence component.
6. the vehicle-mounted back light source structure of anti-sound of movement as described in claim 1, which is characterized in that further include being arranged under light guide plate
The reflector plate of end face is fixedly connected between the reflector plate and bottom plate, between reflector plate and light guide plate.
7. the vehicle-mounted back light source structure of anti-sound of movement as described in claim 1, which is characterized in that the optical film group further includes the
Four optical films, first optical film are diffusion barrier, and the second optical film is lower bright enhancement film, and third optical film is upper bright enhancement film, the
Four optical films are sunscreen film.
8. the vehicle-mounted back light source structure of anti-sound of movement as described in claim 1, which is characterized in that the backboard and light guide plate magnetic
It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820589663.5U CN208013475U (en) | 2018-04-24 | 2018-04-24 | The vehicle-mounted back light source structure of anti-sound of movement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820589663.5U CN208013475U (en) | 2018-04-24 | 2018-04-24 | The vehicle-mounted back light source structure of anti-sound of movement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208013475U true CN208013475U (en) | 2018-10-26 |
Family
ID=63893448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820589663.5U Active CN208013475U (en) | 2018-04-24 | 2018-04-24 | The vehicle-mounted back light source structure of anti-sound of movement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208013475U (en) |
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2018
- 2018-04-24 CN CN201820589663.5U patent/CN208013475U/en active Active
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