CN207500938U - The optical film fixed structure of backlight module - Google Patents
The optical film fixed structure of backlight module Download PDFInfo
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- CN207500938U CN207500938U CN201721629021.5U CN201721629021U CN207500938U CN 207500938 U CN207500938 U CN 207500938U CN 201721629021 U CN201721629021 U CN 201721629021U CN 207500938 U CN207500938 U CN 207500938U
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- optical film
- groove
- protrusion
- fixing piece
- backlight module
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Abstract
The utility model discloses the optical film fixed structures of backlight module, including optical film and optical film fixing piece, the optical film has the first side, the second side opposite with the first side, the third side and fourth side adjacent with the first side, the source ends of first side and backlight module are correspondingly arranged, the third side is equipped with fastening fixture portion, 4th side is equipped with open fixed part, and the optical film fixing piece is fastenedly connected with fastening fixture portion, and the optical film fixing piece is opened with open fixed part and connected.By setting fixed fastening part and open fastening part on optical film, and it is connected respectively at optical film fixing piece, fixed fastening part is fixedly connected, open fastening part opens connection, ensure to provide certain extendable room while can fixing optical film, it prevents optical film from shaking and prevents fold, reduce the use of double-sided adhesive, be more advantageous to realizing Automated assembly.
Description
Technical field
The utility model is related to backlight technology fields, relate more specifically to the optical film fixed structure of backlight module.
Background technology
Important component of the backlight module as display device, reliability directly affect the quality of display device, particularly
The backlight module in industry and vehicle-mounted product is applied, especially for vehicle-mounted product, due to the use of there is a large amount of shake in the process
It is dynamic, so client has higher requirement to backlight module vibrations reliability test, shaking sound problem.
Backlight module generally comprises backboard, light guide plate, optical film, backlight etc., when vehicle-mounted backlight module requires to rock
Without sound, existing conventional design is to be filled between light guide plate and backboard with rubber block interference, prevents light guide plate from hitting for inside
Backboard generates sound, and the anti-sound of optical film is fixed, and usually optical film is sticked on light guide plate, since optical film holds
Easily there is buckling phenomena, thus cannot four sides it is all viscous, typically only paste double-sided adhesive in a side, and a whole side side is clung and can be caused
It expands with heat and contract with cold uneven and deformation buckling phenomena occurs in this side.This designing scheme, another often problem appear to is that, do not have
The other end clung will appear whipping, and in whipping, optical film still can hit backboard generation sound, it is therefore desirable to make into one
Step is improved.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides one kind and prevents optical film from shaking and prevent pleat
The optical film fixed structure of the backlight module of wrinkle.
The utility model institute technique effect to be achieved is realized by following scheme：The optical film fixed knot of backlight module
Structure, including optical film and optical film fixing piece, the optical film has the first side, the second side opposite with the first side and first
The source ends of side adjacent third side and the 4th side, first side and backlight module are correspondingly arranged, and the third side is equipped with tight
Gu fixed part, the 4th side is equipped with open fixed part, and the optical film fixing piece is fastenedly connected with fastening fixture portion, the light
It learns film fixing piece and opens connection with open fixed part.
Preferably, the fastening fixture portion includes being opened in the first groove of third side and is opened in the second recessed of the second side
Slot, corresponding first groove, the optical film fixing piece are extended with the first protrusion, corresponding second groove, the optical film fixing piece
The second protrusion is extended with, first protrusion and the second protrusion are extended respectively in the first groove and the second groove；The opening
Fixed part includes the third groove for being opened in the 4th side, and corresponding third groove, the optical film fixing piece are extended with third protrusion,
The third protrusion is extended in third groove.
Preferably, the gap between first groove and the first protrusion, the second groove and the second protrusion is respectively smaller than
In 0.1mm.
Preferably, the angle between first groove and the second groove is more than or equal to 90 °.
Preferably, the fastening fixture portion includes being opened in the first through hole of third side, corresponding first through hole, the optics
Film fixing piece is extended with the 4th protrusion, and the third protrusion is extended in first through hole；The open fixed part includes being opened in
The third groove of 4th side, corresponding third groove, the optical film fixing piece are extended with third protrusion, the third protrusion extension
To third groove.
Preferably, the gap between the first through hole and the 4th protrusion is less than or equal to 0.1mm.
Preferably, the gap between the third groove and third protrusion is 1.0-1.5mm.
Preferably, the third groove slant is set in the 4th side.
Preferably, third epitaxial lateral overgrowth of the fastening fixture portion including optical film stretches the first extension to be formed, described
Offering the second through-hole on first extension, corresponding second through-hole, the optical film fixing piece are extended with the 5th protrusion, and described the
Five protrusions are extended in the second through-hole；The 4th epitaxial lateral overgrowth that the open fixed part includes optical film stretches to be formed two second
Extension, corresponding second extension, the optical film fixing piece are opened up there are two the 4th groove, and second extension extends into
In 4th groove.
Preferably, the optical film fixing piece is the light guide plate in backlight module or middle glue frame.
The utility model has the following advantages：
It is connected by setting fixed fastening part and open fastening part on optical film, and respectively at optical film fixing piece, it is fixed
Fastening part is fixedly connected, and open fastening part opens connection, ensures to provide certain extendable room while can fixing optical film,
It prevents optical film from shaking and prevents fold, reduce the use of double-sided adhesive, be more advantageous to realizing Automated assembly.
Description of the drawings
Fig. 1 is the structure diagram of optical film preferred embodiment one in the utility model；
Fig. 2 is the partial enlarged view of the optical film fixed structure at A and B in Fig. 1；
Fig. 3 is the structure diagram of optical film preferred embodiment two in the utility model；
Fig. 4 is the partial enlarged view of the optical film fixed structure at A ' and B ' in Fig. 3；
Fig. 5 is the structure diagram of optical film preferred embodiment three in the utility model；
Fig. 6 is the partial enlarged view of the optical film fixed structure at A ' ' and B ' ' in Fig. 5；
Fig. 7 is the partial schematic sectional view at C-C in Fig. 2.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples, the example of the embodiment is in attached drawing
In show, wherein same or similar label represents same or similar element or with same or like function from beginning to end
Element.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the utility model, without being understood that
For the limitation to the utility model.
In the description of the present invention, it is to be appreciated that term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instructions such as " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on orientation shown in the drawings or
Position relationship is for only for ease of description the utility model and simplifies description rather than instruction or imply signified device or member
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, term " first ", " second ", " third " are only used for description purpose, and it is not intended that instruction or implying phase
To importance or the implicit quantity for indicating indicated technical characteristic." first ", " second ", " third " are defined as a result,
One or more this feature can be expressed or be implicitly included to feature." multiple " contain in the description of the present invention,
Justice is two or more, unless otherwise specifically defined.
In the utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed ", the terms such as " setting " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally；
Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, may be used also
To be the interaction relationship of connection inside two elements or two elements.For the ordinary skill in the art,
Concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
As shown in Figure 1, Figure 2, the utility model provides a kind of optical film fixed structure of backlight module, including optical film
1 and optical film fixing piece 2.The optical film 1 generally rectangle structure has the first side 3, opposite with the first side 3 second
Side 4, third side 5 and fourth side 6 adjacent with the first side 3.First side 3 described in the utility model and the source ends of backlight module
It is correspondingly arranged, in order to enable optical film 1 is effectively fixed not generate shaking, the third side 5 is equipped with fastening fixture portion 7, described
4th side 6 is equipped with open fixed part 8, and the optical film fixing piece 2 is fastenedly connected with fastening fixture portion 7, and the optical film is fixed
Part 2 is opened with open fixed part 8 and is connected.
Embodiment one
As shown in Figure 1, Figure 2, the fastening fixture portion 7 includes the first groove 71 for being opened in third side 5 and is opened in
Second groove 41 of the second side 4,71 and second groove 41 of the first groove close on the intersection of the second side 4 and third side 5
Setting.Corresponding first groove 71, the optical film fixing piece 2 are extended with the first protrusion 21, corresponding second groove 41, the optics
Film fixing piece 2 is extended with the second protrusion 22, and first protrusion 21 and the second protrusion 22 extend respectively to the first groove 71 and the
So that optical film fixing piece 2 is fastenedly connected with fastening fixture portion 7 in two grooves 41.The open fixed part 8 includes being opened in the
The third groove 81 of four sides 6, corresponding third groove 81, the optical film fixing piece 2 are extended with third protrusion 23, and the third is convex
Playing 23 and extending in third groove 81 makes optical film fixing piece 2 be connected with being opened with open fixed part 8.By by optical film 1
Side is fastenedly connected optical film fixing piece 2 to position and fix optical film 1, and opposite opposite side opens connection optical film fixing piece
2 can make to reserve extendable room while positioning and prevent 1 Folding Deformation of optical film.
As a further improvement, between 71 and first protrusion 21 of the first groove, the second groove 41 and the second protrusion 22
Gap be respectively smaller than equal to 0.1mm, the gap between the third groove 81 and third protrusion 23 be 1.0-1.5mm.It is practical
In, the gap between third groove 81 and third protrusion 23 can be also calculated according to the harmomegathus rate of optical film 10.5 ~ 0.7%.
As a further improvement, the angle between 71 and second groove 41 of the first groove is more than or equal to 90 °, institute
It states third groove 81 and favours the 4th side 6 and set, optical film 1 can be further prevented to slide.
In the present embodiment, fastening fixture portion 7 has an impact the light that backlight module is sent out in order to prevent, such as forms bright line,
The outer ledge of fastening fixture portion 7 can be exceeded to one spacing of edge of third side 5 under the premise of the fixed performance for ensureing optical film 1
From setting.
In the present embodiment, the position of the fastening fixture portion 7 and open fixed part 8 is not limited to shown in figure, as long as energy
Realize the fixation within the protection domain of this patent. of optical film 1.
Embodiment two
With reference to shown in Fig. 3, Fig. 4, the difference lies in the fastening fixture portion 7 wraps the present embodiment two with embodiment one
The first through hole 72 for being opened in third side 5 is included, corresponding first through hole 72, the optical film fixing piece 2 are extended with the 4th protrusion 24,
The third protrusion 23 is extended in first through hole 72 so that optical film fixing piece 2 is fastenedly connected with fastening fixture portion 7.
As a further improvement, the gap between 72 and the 4th protrusion 24 of first through hole is less than or equal to 0.1mm.
Embodiment three
With reference to shown in Fig. 5, Fig. 6, the third side 5 of the fastening fixture portion 7 including optical film 1 extend outward to form first
Extension 73 offers the second through-hole 731, corresponding second through-hole 731, the optical film fixing piece on first extension 73
2 are extended with the 5th protrusion 25, and the 5th protrusion 25 extends in the second through-hole 731 so that optical film fixing piece 2 is solid with fastening
Determine portion 7 to be fastenedly connected.The open fixed part 8 includes two the second extensions that the 4th side 6 of optical film 1 extends outward to form
82, corresponding second extension 82, the optical film fixing piece 2 are opened up there are two the 4th groove 26, and second extension 82 prolongs
Putting in the 4th groove 26, which makes open fixed part 8 be opened with optical film fixing piece 2, connects.
As shown in fig. 7, backlight module described in the utility model further includes 9 He of light guide plate for being arranged on 1 lower section of optical film
To the middle glue frame 10 of lightguide plate fixing 9 and optical film 1, optical film fixing piece described in above-described embodiment 2 can be backlight mould
Either middle glue frame 10 or other components that can be used for fixing optical film 1, wherein Fig. 7 only show that third is convex to light guide plate 9 in group
Play 23 partial sectional views that connection is opened with third groove 81, optical film 1 and the optical film fixedly connected part 2 of other embodiment
Connection mode can be realized referring to Fig. 7 and be fastenedly connected or open connection.By set on optical film 1 fixed fastening part with
Open fastening part, and connected respectively at optical film fixing piece 2, fixed fastening part is fixedly connected, and open fastening part opens connection, can
Ensure to provide certain extendable room while fixing optical film 1, prevent optical film 1 from shaking and prevent fold, reduce double
The use that face is glued is more advantageous to realizing Automated assembly.
It is last it should be noted that above example is only to illustrate the technical solution of the utility model embodiment rather than right
It is limited, although the utility model embodiment is described in detail with reference to preferred embodiment, this field it is common
Technical staff should understand that still be modified or replaced equivalently the technical solution of the utility model embodiment, and this
A little ranges changed or equivalent replacement cannot also make modified technical solution be detached from the utility model embodiment technical solution.
Claims (10)
1. the optical film fixed structure of backlight module, which is characterized in that including optical film and optical film fixing piece, the optical film
With the first side, the second side opposite with the first side, the third side and fourth side adjacent with the first side, first side and backlight
The source ends of module are correspondingly arranged, and the third side is equipped with fastening fixture portion, and the 4th side is equipped with open fixed part, the light
It learns film fixing piece to be fastenedly connected with fastening fixture portion, the optical film fixing piece is opened with open fixed part and connected.
2. the optical film fixed structure of backlight module as described in claim 1, which is characterized in that the fastening fixture portion includes
It is opened in the first groove of third side and is opened in the second groove of the second side, corresponding first groove, the optical film fixing piece
The first protrusion is extended with, corresponding second groove, the optical film fixing piece are extended with the second protrusion, first protrusion and second
Protrusion is extended respectively in the first groove and the second groove；The open fixed part includes the third groove for being opened in the 4th side,
Corresponding third groove, the optical film fixing piece are extended with third protrusion, and the third protrusion is extended in third groove.
3. the optical film fixed structure of backlight module as claimed in claim 2, which is characterized in that first groove and first
Gap between protrusion, the second groove and the second protrusion is respectively smaller than equal to 0.1mm.
4. the optical film fixed structure of backlight module as claimed in claim 2, which is characterized in that first groove and second
Angle between groove is more than or equal to 90 °.
5. the optical film fixed structure of backlight module as claimed in claim 2, which is characterized in that the fastening fixture portion includes
The first through hole of third side is opened in, corresponding first through hole, the optical film fixing piece are extended with the 4th protrusion, and the third is convex
It rises and extends in first through hole；The open fixed part includes being opened in the third groove of the 4th side, corresponding third groove, described
Optical film fixing piece is extended with third protrusion, and the third protrusion is extended in third groove.
6. the optical film fixed structure of backlight module as claimed in claim 5, which is characterized in that the first through hole and the 4th
Gap between protrusion is less than or equal to 0.1mm.
7. the optical film fixed structure of the backlight module as described in claim 2 or 5, which is characterized in that the third groove with
Gap between third protrusion is 1.0-1.5mm.
8. the optical film fixed structure of the backlight module as described in claim 2 or 5, which is characterized in that the third groove inclines
Tiltedly set in the 4th side.
9. the optical film fixed structure of backlight module as described in claim 1, which is characterized in that the fastening fixture portion includes
The third epitaxial lateral overgrowth of optical film stretches the first extension to be formed, and offers the second through-hole on first extension, and corresponding the
Two through-holes, the optical film fixing piece are extended with the 5th protrusion, and the 5th protrusion is extended in the second through-hole；The opening is consolidated
Determine fourth epitaxial lateral overgrowth of the portion including optical film and stretch two the second extensions to be formed, corresponding second extension, the optical film
Fixing piece is opened up there are two the 4th groove, and second extension is extended into the 4th groove.
10. the optical film fixed structure of backlight module as described in claim 1, which is characterized in that the optical film fixing piece
For the light guide plate in backlight module or middle glue frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629021.5U CN207500938U (en) | 2017-11-29 | 2017-11-29 | The optical film fixed structure of backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629021.5U CN207500938U (en) | 2017-11-29 | 2017-11-29 | The optical film fixed structure of backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207500938U true CN207500938U (en) | 2018-06-15 |
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ID=62507469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721629021.5U Active CN207500938U (en) | 2017-11-29 | 2017-11-29 | The optical film fixed structure of backlight module |
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| Country | Link |
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| CN (1) | CN207500938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531460A (en) * | 2019-07-29 | 2019-12-03 | 武汉华星光电技术有限公司 | Backlight module and display device |
-
2017
- 2017-11-29 CN CN201721629021.5U patent/CN207500938U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531460A (en) * | 2019-07-29 | 2019-12-03 | 武汉华星光电技术有限公司 | Backlight module and display device |
| WO2021017285A1 (en) * | 2019-07-29 | 2021-02-04 | 武汉华星光电技术有限公司 | Backlight module and display apparatus |
| CN110531460B (en) * | 2019-07-29 | 2024-04-30 | 武汉华星光电技术有限公司 | Backlight module and display device |
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