CN109782491A - A kind of backlight module and display device - Google Patents
A kind of backlight module and display device Download PDFInfo
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- CN109782491A CN109782491A CN201910250348.9A CN201910250348A CN109782491A CN 109782491 A CN109782491 A CN 109782491A CN 201910250348 A CN201910250348 A CN 201910250348A CN 109782491 A CN109782491 A CN 109782491A
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Abstract
The present invention relates to field of display technology, a kind of backlight module and display device are disclosed.Backlight module includes glue frame, lamp bar and light guide plate, wherein, lamp bar is set to the end of backlight module, it is disposed adjacent with light guide plate, the light-emitting surface of lamp bar intersects with the light-emitting surface of light guide plate, glue frame includes lamp bar mounting groove, and lamp bar is fixed on lamp bar mounting groove, and lamp bar mounting groove is located at side of the lamp bar far from light guide plate；Lamp bar has the first side wall, lamp bar mounting groove has second sidewall, the first side wall is adjacent with second sidewall, the first side wall of at least one end of lamp bar extending direction has the first water vapor proofing structure, first water vapor proofing structure includes protrusion and/or groove, and second sidewall has the second water vapor proofing structure being adapted to the first water vapor proofing structure.The embodiment of the present application can reduce the probability that steam enters backlight unit, improve the reliability of backlight module product.
Description
Technical field
The present invention relates to field of display technology, in particular to a kind of backlight module and display device.
Background technique
Currently, mostly using side entrance back module in the display module of the mobile terminals such as mobile phone, light source is generally used
LED(Light Emitting Diode；Light emitting diode) lamp bar, LED light bar is installed on the glue frame of backlight module in use
On, glue frame usually has lamp bar mounting groove, and for positioning and fixing lamp bar, the cell wall of lamp bar mounting groove can increase shading rubber belt
The area of bonding.As shown in Figure 1, in the prior art, the width of the glue frame 1 of backlight module is larger, formed at display module edge
Complete lamp bar mounting groove 11, lamp bar 2 is fixed on lamp bar mounting groove 11, and has shading rubber belt 6 fixed, and the glue frame 1 of the program is wide
It spends larger, causes the border width of backlight module entirety big.
It is higher and higher to the narrow frame requirement of backlight module with the development of full frame mobile phone, in the process for realizing narrow frame
In, the setting of the cell wall of lamp bar mounting groove then limits the degree that backlight module reduces frame size, if without lamp bar mounting groove
Cell wall, then shading rubber belt can not seal the gap between lamp bar and the lamp bar accommodation groove of glue frame, then be easy to cause backlight module to hold
Easily enter steam, especially in reliability test, the probability that backlight module enters steam is higher.
Summary of the invention
The present invention provides a kind of backlight module and display device, the invention and can reduce steam and enter backlight unit
Probability, improve the reliability of backlight module product.
To achieve the above object, the present invention provides the following technical solution:
A kind of backlight module, including glue frame, lamp bar and light guide plate, in which:
The lamp bar is set to the end of the backlight module, is disposed adjacent with the light guide plate, and the lamp bar goes out light
Face is intersected with the light-emitting surface of the light guide plate, and the glue frame includes lamp bar mounting groove, and the lamp bar is fixed on the lamp bar installation
Slot, the lamp bar mounting groove are located at side of the lamp bar far from the light guide plate；
The lamp bar has the first side wall, and the lamp bar mounting groove has second sidewall, the first side wall and described the
Two side walls are adjacent, and the first side wall of at least one end of the lamp bar extending direction has the first water vapor proofing structure, and described first is anti-
Steam structure includes protrusion and/or groove, and the second sidewall has the second waterproof being adapted to first water vapor proofing structure
Vapour structure.
In further technical solution, the first side wall at the both ends of the lamp bar extending direction has the first anti-steam knot
Structure.
In specific technical solution, first water vapor proofing structure includes protrusion, second water vapor proofing structure include with
The groove of the protrusion adaptation.
In specific technical solution, first water vapor proofing structure includes groove, second water vapor proofing structure include with
The protrusion of the groove adaptation.
In specific technical solution, first water vapor proofing structure includes the structure of protrusion with groove interval, and described second
Water vapor proofing structure includes and the protrusion and the groove of the physical fit at groove interval and the structure of bulge clearance.
In further technical solution, first water vapor proofing structure has multiple protrusions, second water vapor proofing structure
With the groove being adapted to one by one with the multiple protrusion.
In specific technical solution, the distance between adjacent protrusion of any two is identical in the multiple protrusion.
In optional technical solution, the protrusion includes columnar projections, zigzag protrusion, mushroom protrusion or wavy
Protrusion.
In optional technical solution, the first side wall is L at a distance from the second sidewall1, meet 0.1mm≤L1≤
0.15mm；The height of the protrusion is L2, meet 0.5mm≤L2≤0.7mm。
In further technical solution, backlight module further includes metal frame, and the glue frame is fixed on the metal frame, described
Lamp bar mounting groove has notch far from the side of light guide plate, and the notch extends along the extending direction of the lamp bar, the lamp bar
It is at least partly stretched out from the notch and is fixed on the metal frame.
Present invention also provides a kind of display device, which includes the backlight module in any of the above-described technical solution
And the display panel being oppositely arranged with the backlight module.
In the embodiment of the present application, the first side wall of lamp bar is adjacent with the second sidewall of lamp bar mounting groove, has between the two
Gap, the first side wall have the first water vapor proofing structure, and second sidewall has the second water vapor proofing structure, the first water vapor proofing structure and the
Two water vapor proofing structures adaptation, the two are the cooperation of protrusion with groove.So as to the shape between the first side wall and second sidewall
At bending gap, if desired steam enters the inside of backlight module from above-mentioned gap, on the one hand, the path that steam enters increases
, so that steam is difficult to enter the inside of backlight module, on the other hand, the path that steam enters has multiple bending structures,
Each bending structure can act as the effect of certain blocking steam, and therefore, the difficulty that steam enters also increases, to sum up,
The embodiment of the present application can reduce the probability that steam enters backlight unit, improve the reliability of backlight module product.
Detailed description of the invention
Fig. 1 is the part-structure sectional view for the backlight module that an embodiment of the prior art provides；
Fig. 2 is the structural schematic diagram of backlight module provided in an embodiment of the present invention；
Fig. 3 is partial enlargement diagram at the M of Fig. 2；
Fig. 4 is the partial structure diagram for the backlight module that another embodiment of the invention provides；
Fig. 5 is the partial structure diagram for the backlight module that another embodiment of the invention provides；
Fig. 6 is the partial structure diagram for the backlight module that another embodiment of the invention provides；
Fig. 7 is the partial structure diagram for the backlight module that another embodiment of the invention provides；
Fig. 8 is the partial structure diagram for the backlight module that another embodiment of the invention provides；
Fig. 9 is the part-structure sectional view for the backlight module that one embodiment of the invention provides；
Figure 10 is the display device structure schematic diagram of one embodiment of the invention；
Figure 11 is the structural schematic diagram of mobile terminal provided in this embodiment.
Appended drawing reference:
1- glue frame；11- lamp bar mounting groove；
111- second sidewall；The second water vapor proofing structure of 1111-；
2- lamp bar；21- the first side wall；
The first water vapor proofing structure of 211-；212- first part；
213- second part；3- light guide plate；
4- metal frame；41- bottom plate；
42- side plate；5- notch；
6- shading rubber belt；10- backlight module；
20- down polaroid；30- display panel；
31- array substrate；32- color membrane substrates；
33- liquid crystal layer；40- upper polaroid；
50- cover board；100- display device；
200- mobile terminal.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
The embodiment of the present invention provides firstly a kind of backlight module, and referring to figs. 2 and 3, Fig. 2 provides for the embodiment of the present invention
Backlight module structural schematic diagram；Fig. 3 is partial enlargement diagram at the M of Fig. 2.Specifically, the backlight module includes glue frame
1, lamp bar 2 and light guide plate 3, wherein lamp bar 2 is set to the end of backlight module, is disposed adjacent with light guide plate 3, and lamp bar 2 goes out light
Face is intersected with the light-emitting surface of light guide plate 3, and glue frame 1 includes lamp bar mounting groove 11, and lamp bar 2 is fixed on lamp bar mounting groove 11, lamp bar peace
Tankage 11 is located at side of the lamp bar 2 far from light guide plate 3；Lamp bar 2 has the first side wall 21, and lamp bar mounting groove 11 has second sidewall
111, the first side wall 21 is adjacent with second sidewall 111, and the first side wall 21 of at least one end of 2 extending direction of lamp bar has first to prevent
Steam structure 211, the first water vapor proofing structure 211 can be protrusion, or groove, or the cooperation knot for protrusion and groove
Structure, second sidewall 111 have the second water vapor proofing structure 1111 being adapted to the first water vapor proofing structure 211.
In specific embodiment, when the lamp bar 2 of backlight module is assembled, the lamp bar of glue frame 1 is erected on close to the side of glue frame 1
In mounting groove 11, the top of lamp bar 2 is fixed with shading rubber belt 6 (showing the part of shading rubber belt in figure) again, to complete lamp
The installation of item 2.However, needing that there are certain between the side wall of lamp bar 2 and the side wall of lamp bar mounting groove 11 for the ease of installation
Gap.In addition, to product carry out reliability test, especially high temperature test when and backlight module at work, light guide plate
3 and lamp bar 2 the case where being all likely to occur thermal expansion, for the structure being likely to occur when reducing the component thermal expansion of backlight module
Therefore interference is also required to the gap for having certain between the side wall of lamp bar 2 and the side wall of lamp bar mounting groove 11, steam then can be with
Backlight unit is entered along the gap, component in backlight module is caused the defect of moisture absorption fold occur, furthermore, it is also possible to
There is the white group of steam, causes display effect poor.
In the embodiment of the present application, the first side wall 21 of lamp bar 2 and the second sidewall 111 of lamp bar mounting groove 11 are adjacent, the two
Between have gap, the first side wall 21 have the first water vapor proofing structure 211, second sidewall 111 have the second water vapor proofing structure
1111, the first water vapor proofing structure 211 and the second water vapor proofing structure 1111 adaptation, the two are the fit structure of protrusion with groove.From
And can formation between the first side wall 21 and second sidewall 111 bend gap, if desired steam is entered from above-mentioned gap
The inside of backlight module, on the one hand, gap is bent due to existing, because the length of this gap increases, thus steam entry of backlight mould
The path of group increases, so that steam is difficult to enter the inside of backlight module；On the other hand, the path that steam enters has more
A bending structure enters certain distance in one direction, then encounters barricade after steam enters gap, then to another side
To entrance, after certain distance, barricade is encountered again, and so on, in the embodiment, steam is in above-mentioned gap in traveling process
Constantly encounter barricade, often encounter a barricade, which can play the role of certain blocking steam, therefore, steam into
The difficulty entered also increases, and to sum up, the embodiment of the present application can reduce the probability that steam enters backlight unit, improves
The reliability of backlight module product.
It is worth noting that " 2 extending direction of lamp bar " is referred in the embodiment of the present application, due to the lamp of usual backlight module
In the case that the light-emitting surface of item 2 intersects with the light-emitting surface of light guide plate 3, i.e., when backlight module is side entrance back module, lamp bar 2 is
The size that strip, the i.e. size along 2 a direction of lamp bar are far longer than another two direction, then the larger-size direction be
The extending direction of lamp bar 2, specifically referring to FIG. 2, the direction A is the extending direction of lamp bar 2 in the application.
In addition, the light-emitting surface of lamp bar 2 intersects with the light-emitting surface of light guide plate 3 in the application, i.e., the light-emitting surface of lamp bar 2 with lead
The light-emitting surface of tabula rasa 3 is not parallel, which is side entrance back module, and in more specific one embodiment, lamp bar 2 goes out
Smooth surface can be vertical with the light-emitting surface of light guide plate 3.
In one specific embodiment, the first side wall 21 of one end of 2 extending direction of lamp bar has the first water vapor proofing structure
211, to improve the waterproof effect of backlight module.
In another specific embodiment, the both ends of 2 extending direction of lamp bar all have the first water vapor proofing structure 211, the reality
It applies in example, 2 extending direction both ends steam of lamp bar is difficult to enter, therefore the anti-steam effect of backlight module is more preferable.
In specific embodiment, " both ends " of 2 extending direction of lamp bar, it should extensive understanding is done, in 2 extending direction of lamp bar
Middle line two sides, may be considered lamp bar 2 and extend rectangular both ends.As shown in figure 3, the end of 2 extending direction of lamp bar includes
Two parts of intersection, respectively the first part 212 parallel with 2 extending direction of lamp bar and intersect with 2 extending direction of lamp bar
Two parts 213, above-mentioned first part 212 and second part 213 can all have the first water vapor proofing structure 211, can also be with only
A part in a part 212 or second part 213 has water vapor proofing structure.
Referring to FIG. 4, Fig. 4 is the partial structure diagram for the backlight module that the another embodiment of the present invention provides.One specific
Embodiment in, the first water vapor proofing structure 211 includes protrusion, and the second water vapor proofing structure 1111 includes and the raised groove being adapted to.
In the embodiment, on 2 the first side wall of lamp bar, 21 profile, bulge-structure is made, in 2 mounting groove of lamp bar of glue frame 1
On 11 111 profile of second sidewall, groove structure is made, to form the first water vapor proofing structure 211 and the second anti-steam of adaptation
Structure 1111.In the embodiment, lamp bar 2 includes lamp bar ontology and protrusion, in the embodiment, can keep lamp bar in the prior art
2 layout only need to additionally make protrusion, without changing the structure of lamp bar ontology, especially the lamp bar circuit board of lamp bar 2
On cabling layout, without change, the design technology of lamp bar 2 is relatively simple.
With continued reference to FIG. 3, the first water vapor proofing structure 211 includes groove, the second waterproof in another specific embodiment
Vapour structure 1111 includes the protrusion being adapted to groove.
In the embodiment, on 2 the first side wall of lamp bar, 21 profile, groove structure is made, in the lamp bar mounting groove 11 of glue frame 1
111 profile of second sidewall on, make bulge-structure, with formed adaptation the first water vapor proofing structure 211 and the second anti-steam knot
Structure 1111.In the embodiment, protrusion is made on 111 profile of second sidewall of lamp bar mounting groove 11, so as to so that lamp bar is pacified
The cell wall of tankage 11 is made to relatively narrow, is advantageously implemented the narrow frame of display device.
Referring to FIG. 5, Fig. 5 is the partial structure diagram for the backlight module that the another embodiment of the present invention provides.Another has
In the embodiment of body, the structure of protrusion and groove interval, the second water vapor proofing structure 1111 includes the knot with protrusion and groove interval
The groove of structure adaptation and the structure of bulge clearance.
In the embodiment, on 2 the first side wall of lamp bar, 21 profile, production protrusion and the spaced structure of groove, in glue
On 111 profile of second sidewall of the lamp bar mounting groove 11 of frame 1, groove and bulge-structure are made, specifically, 21 profile of the first side wall
On protrusion be adapted to the groove on 111 profile of second sidewall, the groove on 21 profile of the first side wall and 21 profile of the first side wall
On protrusion adaptation, with formed adaptation the first water vapor proofing structure 211 and the second water vapor proofing structure 1111.In the embodiment, the
In one side wall 21 and the limited space of second sidewall 111, it can make apart from farther away vapor transport path, with 2 the first side wall of lamp bar
For the path that one group of protrusion and groove on 21 profiles are formed, which includes protruding from 21 outline portion of the first side wall, again
Also there is groove due to being adjacent to protrusion, which further includes being depressed in 21 outline portion of the first side wall, therefore, each
The path for the steam that adjacent protrusion and groove are formed is larger, therefore can increase the path of steam entrance, to improve backlight
The anti-steam effect of mould group.
It is worth noting that above-mentioned groove and protrusion are on the basis of the former profile of place structure, beyond former profile respectively
Part be protrusion, lower than former profile part be groove.For example, the first water vapor proofing structure has protrusion, then in lamp bar first
On side wall original profile, bulge-structure is made, then the body construction of former lamp bar is unchanged, bulge-structure is only increased, with such
It pushes away, does not illustrate one by one herein.
In one specific embodiment, the first water vapor proofing structure 211 has multiple protrusions, the second water vapor proofing structure 1111 tool
There is the groove being adapted to one by one with multiple protrusions.
In the embodiment, the first water vapor proofing structure 211 has multiple protrusions, then the path of steam entry of backlight module internal
Length is increased, and steam is needed into backlight unit by multiple bending structures, and difficulty is bigger, therefore, the implementation
Example has better anti-steam effect, improves the reliability of backlight module product.
In further embodiment, the distance between adjacent protrusion of any two is identical in multiple protrusions.The embodiment
In, multiple protrusions are uniformly distributed, and during making backlight module, structure is more regular, and the dimension data needed is less, are convenient for
Production, can simplify manufacture craft.
In other specific embodiments, the first water vapor proofing structure 211 has multiple grooves, the second water vapor proofing structure 1111 tool
There is the protrusion being adapted to one by one with multiple grooves.Further, the distance between adjacent groove of any two phase in multiple grooves
Together, i.e., multiple grooves are uniformly distributed, and during making backlight module, structure is more regular, and the dimension data needed is less, just
In production, manufacture craft can simplify.
In another specific embodiment, the first water vapor proofing structure 211 has multiple protrusions, which has been disposed proximate to recessed
Slot, the second water vapor proofing structure 1111 have the groove being adapted to one by one with above-mentioned protrusion.Further, any two in multiple protrusions
The distance between adjacent protrusion is identical.In the embodiment, multiple protrusions are uniformly distributed, during making backlight module, knot
Structure is more regular, and the dimension data needed is less, convenient for production, can simplify manufacture craft.
When the technical solution of the application is embodied, raised shape is with no restrictions, convex for example, as seen in figures 3-5
Rising can be columnar projections, as shown in fig. 6, Fig. 6 is the partial structure diagram for the backlight module that the another embodiment of the present invention provides,
The embodiment protrusions can be zigzag protrusion, which tilts to the direction far from light guide plate, i.e., towards steam
The direction of entrance tilts, so that the path difficulty where entering zigzag protrusion is larger during steam enters, is conducive to
Improve waterproof effect；As shown in fig. 7, Fig. 7 is the partial structure diagram for the backlight module that the another embodiment of the present invention provides, the reality
The more complicated path of shape can be formed for mushroom protrusion, mushroom protrusion by applying a protrusions, and bending is more, thus
The difficulty of steam entrance can be improved；As shown in figure 8, Fig. 8 is the part-structure for the backlight module that the another embodiment of the present invention provides
Schematic diagram, the embodiment protrusions can be wave-like protrusions, the wave specifically turn around size can according to actual size into
Row design.Certainly, in other embodiments, protrusion or other shapes, such as the protrusion or irregular of regular shape
The protrusion etc. of shape selects to design according to actual product demand.It is worth noting that wherein mushroom protrusion own form
Complex, therefore, the difficulty for entering backlight module for steam increases, therefore the waterproof effect of backlight module can be improved
Fruit.
In specific embodiment, each first water vapor proofing structure 211 may include two to four protrusions or groove, a side
Face, two to four protrusions or groove can play enough anti-steam effects, and on the other hand, the first water vapor proofing structure 211 is not
Can be excessively complicated, convenient for production.
In specific embodiment, protrusion and groove between be coupled, the two can for interference fit, transition fit or
Clearance fit.When being gap-matched between protrusion and groove, it is easily installed lamp bar 2, and lamp bar 2 has certain thermal expansion
Space is conducive to the quality for improving backlight module.
Referring to FIG. 3, the first side wall 21 is L at a distance from second sidewall 111 in an optional embodiment1, meet
0.1mm≤L1≤0.15mm；The height of protrusion is L2, meet 0.5mm≤L2≤0.7mm。
In the embodiment, the first side wall 21 and 111 distance L of second sidewall1Meet above-mentioned condition, then lamp bar 2 and glue frame 1
Lamp bar mounting groove 11 between there is certain interval, be easily installed, and reserved enough spaces for the thermal expansion of lamp bar 2, again
It is too big to be unlikely to gap, causes lamp bar 2 to be installed unstable, has been easy impurity or steam enters backlight unit, therefore,
Not only lamp bar 2 can be easily installed and thermally expanded reserved space for lamp bar 2, but also can protect backlight module.The explanation of value, it is convex
The mating part with groove is played, gap between the two also meets above-mentioned relation.The height of protrusion meets above-mentioned distance, then can be with
Meet reduction steam and enter the condition of backlight unit, and the frame that not will lead to backlight module increases, and is advantageously implemented
The narrow frame of backlight module.
Please continue to refer to Fig. 2 and Fig. 9, Fig. 9 is the part-structure sectional view for the backlight module that one embodiment of the invention provides.
In further embodiment, backlight module further includes metal frame 4, and glue frame 1 is fixed on metal frame 4, and lamp bar mounting groove 11 is separate to lead
The side of tabula rasa 3 has notch 5, and notch 5 extends along the extending direction of lamp bar 2, and lamp bar 2 is at least partly stretched out and consolidated from notch 5
Due to metal frame 4.
As shown in figure 9, backlight module includes metal frame 4 and is fixed on above-mentioned metal frame 4 in one embodiment of the application
Glue frame 1, can specifically form glue iron integral structure.Metal frame 4 includes bottom plate 41 and side plate 42, and glue frame 1 is fixed on metal
The angle space that the bottom plate 41 and side plate 42 of frame 4 are formed, the lamp bar mounting groove 11 of glue frame 1 has close to the side of above-mentioned side plate 42 to be lacked
Mouth 5, i.e. glue frame 1 is designed to no barrier wall structure in the bottom edge region of backlight module.Lamp bar 2 has the structure being adapted to the notch 5,
The structure is stretched out lamp bar mounting groove 11 and overlapped from notch 5 is fixed on the side plate 42 of metal frame 4, to improve the fixed structure of lamp bar
Stability.The frame of backlight module is relatively narrow in the embodiment, is advantageously implemented the narrow frame design of display device.
In above-mentioned backlight module, 5 two sides of notch of lamp bar mounting groove 11, can expose the first side wall 21 of lamp bar 2 with
Gap between the second sidewall 111 of lamp bar mounting groove 11, to be easy the channel that row enters backlight unit at steam
Entrance, steam are easily accessible backlight unit.Using the technical solution of the application, in one end of lamp bar 2, setting first is anti-
Second be adapted to above-mentioned first water vapor proofing structure 211 is arranged in the second sidewall 111 of lamp bar mounting groove 11 in steam structure 211
Water vapor proofing structure 1111, therefore, it is possible to reduce steam enters the inside of backlight module.In further embodiment, lamp bar 2
The both ends of extending direction all have the first water vapor proofing structure 211, specifically, the lacking in the above-mentioned lamp bar mounting groove 11 of correspondence of lamp bar 2
The two sides of mouth 5, all have the first water vapor proofing structure 211 and the second water vapor proofing structure 1111 of adaptation, can be from backlight module
Two sides carry out waterproof, and therefore, waterproof effect is preferable, are conducive to the product quality for improving backlight module.
As shown in Figure 10, Figure 10 is the display device structure schematic diagram of one embodiment of the invention.Present invention also provides one
Display device 100 of the kind comprising the backlight module in any technical solution of the application, the display device 100 include being sequentially stacked
Backlight module 10, down polaroid 20, display panel 30, upper polaroid 40 and cover board 50, wherein display panel 30 further includes array
Substrate 31 and with the array substrate 31 to the color membrane substrates 32 of box, between array substrate 31 and color membrane substrates 32 have liquid crystal layer
33.A possibility that 10 steam of display module enters is lower, so that the probability that display device 11 has steam to enter is relatively low, because
This, the reliability of display device 100 is preferable.
As shown in figure 11, Figure 11 is the structural schematic diagram of mobile terminal provided in this embodiment.The mobile terminal is to include
The mobile terminal 200 of above-mentioned display device 100, the display device 100 of the mobile terminal 200 are less prone to the feelings of steam entrance
Condition, structural reliability is higher, and can have preferable display effect and higher service life.
In specific embodiment, the concrete type of mobile terminal is unlimited, which can be such as smartwatch, hand
Machine, tablet computer, laptop, any electronic equipment having a display function of electric paper book or television set etc..Such as Figure 11
Shown in mobile terminal be mobile phone.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention
Bright spirit and scope.In this way, if these modifications and changes of the present invention belongs to the claims in the present invention and its equivalent technologies
Within the scope of, then the present invention is also intended to include these modifications and variations.
Claims (11)
1. a kind of backlight module, which is characterized in that including glue frame, lamp bar and light guide plate, in which:
The lamp bar is set to the end of the backlight module, is disposed adjacent with the light guide plate, the light-emitting surface of the lamp bar with
The light-emitting surface of the light guide plate intersects, and the glue frame includes lamp bar mounting groove, and the lamp bar is fixed on the lamp bar mounting groove, institute
It states lamp bar mounting groove and is located at side of the lamp bar far from the light guide plate；
The lamp bar has the first side wall, and the lamp bar mounting groove has second sidewall, the first side wall and described second side
Wall is adjacent, and the first side wall of at least one end of the lamp bar extending direction has the first water vapor proofing structure, first anti-steam
Structure includes protrusion and/or groove, and the second sidewall has the second anti-steam knot being adapted to first water vapor proofing structure
Structure.
2. backlight module as described in claim 1, which is characterized in that the first side wall at the both ends of the lamp bar extending direction has
There is the first water vapor proofing structure.
3. backlight module as described in claim 1, which is characterized in that first water vapor proofing structure includes protrusion, and described the
Two water vapor proofing structures include the groove being adapted to the protrusion.
4. backlight module as described in claim 1, which is characterized in that first water vapor proofing structure includes groove, and described
Two water vapor proofing structures include the protrusion being adapted to the groove.
5. backlight module as described in claim 1, which is characterized in that first water vapor proofing structure includes between protrusion and groove
Every structure, second water vapor proofing structure includes and the groove and bulge clearance of the protrusion and the physical fit at groove interval
Structure.
6. backlight module as described in claim 1, which is characterized in that first water vapor proofing structure has multiple protrusions, institute
Stating the second water vapor proofing structure has the groove being adapted to one by one with the multiple protrusion.
7. backlight module as claimed in claim 6, which is characterized in that the adjacent protrusion of any two in the multiple protrusion
Between distance it is identical.
8. such as the described in any item backlight modules of claim 3~7, which is characterized in that the protrusion includes columnar projections, sawtooth
Shape protrusion, mushroom protrusion or wave-like protrusions.
9. such as the described in any item backlight modules of claim 3~7, which is characterized in that the first side wall and described second side
The distance of wall is L1, meet 0.1mm≤L1≤0.15mm；The height of the protrusion is L2, meet 0.5mm≤L2≤0.7mm。
10. backlight module as described in claim 1, which is characterized in that further include metal frame, the glue frame is fixed on the gold
Belonging to frame, the lamp bar mounting groove has notch far from the side of light guide plate, and the notch extends along the extending direction of the lamp bar,
The lamp bar at least partly stretches out from the notch and is fixed on the metal frame.
11. a kind of display device, which is characterized in that including such as described in any item backlight modules of claim 1-10 and with it is described
The display panel that backlight module is oppositely arranged.
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| CN201910250348.9A CN109782491B (en) | 2019-03-29 | 2019-03-29 | Backlight module and display device |
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| CN201910250348.9A CN109782491B (en) | 2019-03-29 | 2019-03-29 | Backlight module and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739426A (en) * | 2019-07-26 | 2020-10-02 | 友达光电股份有限公司 | Flexible display device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080034650A (en) * | 2006-10-17 | 2008-04-22 | 엘지.필립스 엘시디 주식회사 | Backlight unit |
| CN102201525A (en) * | 2010-03-25 | 2011-09-28 | Lg伊诺特有限公司 | Light emitting device package and lighting system having the same |
| CN202118823U (en) * | 2011-06-07 | 2012-01-18 | 章曙虹 | Connecting element and backlight device |
| CN102395825A (en) * | 2009-04-22 | 2012-03-28 | 索尼公司 | Backlight unit |
| CN102798048A (en) * | 2012-08-15 | 2012-11-28 | 友达光电（苏州）有限公司 | Backlight module |
| CN105182607A (en) * | 2015-10-12 | 2015-12-23 | 武汉华星光电技术有限公司 | Back light module and rubber frame structure thereof |
| CN206369885U (en) * | 2016-12-27 | 2017-08-01 | 昆山龙腾光电有限公司 | Back light module unit structure and liquid crystal display device |
-
2019
- 2019-03-29 CN CN201910250348.9A patent/CN109782491B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080034650A (en) * | 2006-10-17 | 2008-04-22 | 엘지.필립스 엘시디 주식회사 | Backlight unit |
| CN102395825A (en) * | 2009-04-22 | 2012-03-28 | 索尼公司 | Backlight unit |
| CN102201525A (en) * | 2010-03-25 | 2011-09-28 | Lg伊诺特有限公司 | Light emitting device package and lighting system having the same |
| CN202118823U (en) * | 2011-06-07 | 2012-01-18 | 章曙虹 | Connecting element and backlight device |
| CN102798048A (en) * | 2012-08-15 | 2012-11-28 | 友达光电（苏州）有限公司 | Backlight module |
| CN105182607A (en) * | 2015-10-12 | 2015-12-23 | 武汉华星光电技术有限公司 | Back light module and rubber frame structure thereof |
| CN206369885U (en) * | 2016-12-27 | 2017-08-01 | 昆山龙腾光电有限公司 | Back light module unit structure and liquid crystal display device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739426A (en) * | 2019-07-26 | 2020-10-02 | 友达光电股份有限公司 | Flexible display device |
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| Publication number | Publication date |
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| CN109782491B (en) | 2022-09-13 |
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