CN208421464U - A kind of backlight module and liquid crystal display die set - Google Patents
A kind of backlight module and liquid crystal display die set Download PDFInfo
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- CN208421464U CN208421464U CN201820677985.5U CN201820677985U CN208421464U CN 208421464 U CN208421464 U CN 208421464U CN 201820677985 U CN201820677985 U CN 201820677985U CN 208421464 U CN208421464 U CN 208421464U
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- lampshade
- lug
- accommodation groove
- backlight module
- adhesive tape
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Abstract
The utility model belongs to technical field of liquid crystal display, specifically disclose a kind of backlight module, including backboard, light guide plate and optical film group, backboard side is bent to form the lampshade above the backboard, the optical film group includes multiple optical diaphragms being stacked, each optical diaphragm is provided at least one lug close to the side of the lampshade, and the lampshade upper surface offers accommodation groove, and the lug is at least partially disposed in the accommodation groove；The lampshade is covered with the first adhesive tape on the downside of the accommodation groove, and the lampshade is covered with the second adhesive tape on the upside of the accommodation groove, and the lug is at least Nian Jie with one in first adhesive tape and second adhesive tape.The utility model additionally provides a kind of liquid crystal display die set comprising above-mentioned backlight module.Backlight module provided by the utility model and liquid crystal display die set are conducive to the design of narrow frame machine, and can improve the display effect of mould group.
Description
Technical field
The utility model relates to technical field of liquid crystal display more particularly to a kind of backlight module and liquid crystal display die sets.
Background technique
With the continuous development of liquid crystal technology, liquid crystal display die set (Liquid Crystal Module, LCM) Yin Qitu
Be widely used as the advantages that display is clear fine and smooth, do not flash, light weight, thin and low in energy consumption thickness computer, mobile phone and
The fields such as TV.Since the display panel of LCM itself does not have photism, it is therefore desirable to backlight module be used to mention for display panel
Display panel is transferred to by optical element for backlight, and by the light that goes out in backlight, so as to which display panel is made to reach display
Effect.
Fig. 1 is the fractionation structural representation of existing backlight module, as shown in Figure 1, backlight module includes light source 70, lampshade
80, framework 10, reflector plate 20, light guide plate 30 and optical film group, optical film group include two layers of optical diaphragm, i.e. diffusion sheet 40 and rib
Eyeglass 50；It is formed with container 90 in the two side walls of framework 10, distinguishes shape in the two sides of diffusion sheet 40 and prismatic lens 50
At there is lug 110；Reflector plate 20 is placed in framework 10, and light guide plate 30 is placed on reflector plate 20, two layers of optical diaphragm stacking
It is arranged on light guide plate 30, and the lug 110 of two layers of optical diaphragm is stacked gradually and is placed in the container 90 of framework 10.
The backlight module offers the container 90 for accommodating lug 110 due to needs in framework 10, framework
10 sidewall width is limited to the size and fixed requirement of lug 110, it is difficult to meet existing LCM narrow frame design requirement.Together
When, since lug 110 is only located in container 90, therefore, it is impossible to which the short transverse in framework effectively fix, work as back
When optical mode group or LCM such as are flipped at the movement, it is easy to appear optical diaphragm displacement or climbing phenomenon；And due to the two of optical diaphragm
The width direction of lateral edge framework is relatively fixed, after optical diaphragm expanded by heating, is easy to appear phenomena such as optical diaphragm is bent, from
And the optical effect of optical diaphragm is influenced, and then influence the image quality and display effect of entire LCM.
Utility model content
The purpose of this utility model is to provide a kind of backlight source module, be conducive to the frame for reducing backlight module, and prevent
Only diaphragm displacement, climbing or bending phenomenon occur in use for optical diaphragm.
To achieve the above object, the utility model adopts the following technical solutions:
A kind of backlight module, including backboard and the light guide plate being successively set on the backboard and optical film group, the back
Plate side is bent to form the lampshade above the backboard；
The optical film group includes multiple optical diaphragms being stacked, and each optical diaphragm is close to the lampshade
Side is provided at least one lug, and the lampshade upper surface offers accommodation groove, and the lug is at least partially disposed at the appearance
It sets in slot；
The lampshade is covered with the first adhesive tape on the downside of the accommodation groove, and the lampshade covers on the upside of the accommodation groove
Equipped with the second adhesive tape, the lug is at least Nian Jie with one in first adhesive tape and second adhesive tape.
Further, the accommodation groove is arranged at intervals with multiple along the length direction of the lampshade, each accommodation groove
Inside at most accommodate two lugs.
Further, the accommodation groove runs through the upper and lower surface of the lampshade, and first adhesive tape is arranged in the lampshade
Lower surface.
Further, when, there are two when the lug, two lugs are stacked in the accommodation groove.
Further, the number for the lug being arranged on each optical diaphragm is identical.
Further, the lug on the two neighboring optical diaphragm shifts to install.
Further, the spacing on each optical diaphragm between two neighboring lug is identical.
It further, include four optical diaphragms in the optical film group, lug there are two settings on the optical diaphragm,
The number of the accommodation groove is four.
Further, first adhesive tape be white tape, one side of first adhesive tape far from the lampshade with it is described
Light guide plate abuts.
The utility model additionally provides a kind of liquid crystal display die set, to reduce the frame of liquid crystal display die set, improves liquid crystal
The display quality of display module.
To achieve the above object, the utility model adopts the following technical solutions:
A kind of liquid crystal display die set includes above-mentioned backlight module.
The utility model has the following beneficial effects:
By fixing each optical diaphragm with lampshade, so that whole optical film group be made to be fixed at going out for light guide plate
In smooth surface.Since each optical diaphragm side is fixedly installed, in addition three sides are in free state, therefore can be existed to avoid backlight module
In use process the phenomenon that issuable diaphragm displacement, climbing or bending；And due to being only provided with lug, and lug on one side
It is arranged on lampshade, can effectively saves space, be conducive to the design of narrow frame machine；This kind of lug set-up mode, simple side
Just, easily operated.
Detailed description of the invention
Fig. 1 is the fractionation structural representation of backlight module in the prior art；
Fig. 2 is the cross-sectional view of backlight module provided by the embodiment of the utility model；
Fig. 3 is the fractionation structural representation of backlight module provided by the embodiment of the utility model；
Fig. 4 is the fractionation structural representation of optical diaphragm group provided by the embodiment of the utility model and backboard.
It is marked in figure as follows:
10- framework；20- reflector plate；30- light guide plate；40- diffusion sheet；50- prismatic lens；70- light source；80- lampshade；90- is received
Tank；110- lug；
1- backboard；11- lampshade；111- accommodation groove；2- reflector plate；3- lamp bar；31- substrate；32- light source；4- light guide plate；5-
Optical film group；Diffusion sheet under 51-；Prismatic lens under 52-；The upper prismatic lens of 53-；The upper diffusion sheet of 54-；6- lug；The first adhesive tape of 71-；
The second adhesive tape of 72-；73- third adhesive tape；74- fixes glue group；8- framework.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
Fig. 2 is the cross-sectional view of backlight module provided by the embodiment of the utility model, as shown in Fig. 2, the present embodiment
The backlight module of offer mainly includes backboard 1, framework 8, reflector plate 2, light guide plate 4, lamp bar 3 and optical film group 5.1 side of backboard
It is bent to form U-shaped lampshade 11, lamp bar 3 is arranged in U-shaped lampshade 11；Reflector plate 2 is connected on backboard 1, is arranged on reflector plate 2
There is light guide plate 4, lamp bar 3 is located at the incidence surface side of light guide plate 4；Light guide plate 4 is provided with optical film group far from reflector plate 2 on one side
5, optical film group 5 includes the optical diaphragm of several overlapping settings, and optical diaphragm is provided with lug 6 close to the side of lampshade 11,
And lug 6 is connected on lampshade 11.Backlight module provided by the embodiment of the utility model, by being arranged in the side of optical diaphragm
Lug 6, and lug 6 is connected on lampshade 11, rather than in framework 8, so that the frame size of framework 8 is not only restricted to the company of lug 6
It connects, to be conducive to LCM narrow frame design, simultaneously, moreover it is possible to prevent the displacement, climbing and the generation for bending phenomenon of optical diaphragm.
Specifically, Fig. 3 is the fractionation structural representation of backlight module provided by the embodiment of the utility model, in conjunction with Fig. 1 and
Shown in Fig. 2, the lampshade 11 that backboard 1 includes bottom plate, the side plate on three side of bottom plate is arranged in and is bent to form along bottom plate side, and lampshade
11 horizontal plane face bottom plate setting.Framework 8 is four border structures, and three sides for corresponding to 1 side of backboard are located at side plate interior sides, and
It is connected together with 1 side plate of backboard；The side that framework 8 corresponds to lampshade 11 is located at the outside of lampshade 11, for preventing 11 side of lampshade
Caused by the structures such as the slot on wall the phenomenon that 11 light leakage of lampshade.
Lamp bar 3 is that side goes out light backlight, including substrate 31 and along several of 31 length direction uniform intervals of substrate setting
Light source 32.The side of lamp bar 3 is arranged in reflector plate 2, and one side of the reflector plate 2 far from backboard 1, and one end is arranged in light guide plate 4
It is abutted with several light sources 32 of lamp bar 3, the luminous energy for issuing light source 32 is exported by light guide plate 4.
The substrate 31 of lamp bar 3 is fixedly connected on the bottom plate of backboard 1 by third adhesive tape 73, and third adhesive tape 73 is covered in base
The upper surface of 1 bottom plate of plate 31 and backboard, and third adhesive tape 73 is double-sided adhesive, is connected with the upper surface bonding of one end of substrate 31
The upper surface of light guide plate 4, one end far from substrate 31 is bonded with reflector plate 2, i.e., third adhesive tape 73 realize lamp bar 3, sheet emitting 2,
Light guide plate 4 is relatively fixed with backboard 1.
The first adhesive tape 71 is connected between light guide plate 4 and lampshade 11, the first adhesive tape 71 is bonded in far from one end of lamp bar 3 leads
The upper surface of tabula rasa 4, the first adhesive tape 71 are adhered to the lower surface of lampshade 11 close to one end of lamp bar 3.And first adhesive tape 71 be it is white
Color double-sided adhesive can serve as the anti-effect of little Bai, increase by 32 utilization rate of light source of lamp bar 3, avoid the generation of light leakage phenomena.
Optical film group 5 is provided on the light-emitting surface of light guide plate 4, optical film group 5 includes that optical diaphragm, light is arranged in several overlappings
It learns diaphragm and lug 6 is set close to the side of lampshade 11, lampshade 11 offers several accommodation grooves 111 along its length, and lug 6
In in accommodation groove 111, and the lug 6 for being located at 111 bottom of accommodation groove is adhered on the first adhesive tape 71, is located at accommodation groove 111 most
The lug 6 of top is fixedly connected by the second adhesive tape 72 with lampshade 11, the second adhesive tape 72 preferably silicone band, and the second adhesive tape 72
It covers along the length direction of lampshade 11 in the upper surface of lampshade 11 and lug 6, one side and frame of second adhesive tape 72 far from lampshade 11
Body 8 abuts.
Specifically, Fig. 4 is the fractionation structural representation of optical film group and backboard provided by the embodiment of the utility model, to scheme
In the optical film group 5 shown in 4 for the quantity of optical diaphragm and the number of lug 6, as shown in figure 4, the utility model provides
Optical film group 5 include four overlapping setting optical diaphragm, and sequentially consist of lower diffusion sheet 51, lower prismatic lens 52,
Upper prismatic lens 53 and upper diffusion sheet 54.Setting two lugs 6 in interval on each optical diaphragm, and on two neighboring optical diaphragm
Lug 6 shifts to install, and in the present embodiment, the lug 6 of lower diffusion sheet 51 is overlapped with 6 position of lug of upper prismatic lens 53, lower rib
6 position of lug of eyeglass 52 and upper diffusion sheet 54 is overlapped, and is staggered with 6 position of lug of lower diffusion sheet 51 and upper prismatic lens 53,
It include two in every group of lug 6 to show four groups of lugs 6 in optical film group 5 when four overlapping settings of optical film group 5
Lug 6.
The position that every group of lug 6 is corresponded on lampshade 11 offers accommodation groove 111, i.e., there are two convex in each accommodation groove 111
Ear 6, in accommodation groove 111, underlying lug 6 is bonded on the first adhesive tape 71, the lug that is located above fixed with light guide plate 4
6 are bonded on the second adhesive tape 72 and the fixation of lampshade 11.In the present embodiment, there are four accommodation grooves 111, from left to right respectively
Two lugs 6 of one accommodation groove, the second accommodation groove, third accommodation groove and the 4th accommodation groove, lower diffusion sheet 51 and upper prismatic lens 53
It is located in the first accommodation groove 111 and third accommodation groove 111, and two lugs 6 of lower diffusion sheet 51 are adhered to the first adhesive tape
71, two lugs 6 of upper prismatic lens 53 are bonded on the second adhesive tape 72；Two lugs 6 of lower prismatic lens 52 and upper diffusion sheet 54
It is located in the second accommodation groove 111 and third accommodation groove 111, and two lugs 6 of lower prismatic lens 52 are bonded in the first adhesive tape
On 71, two lugs 6 of upper diffusion sheet 54 are bonded on the second adhesive tape 72.
The lug 6 of above-mentioned optical film group 5 is arranged and the setting of accommodation groove 111 is with four optical model sheets and each optical diaphragm
It is arranged for two lugs 6, in actual application, the number amount and type of optical diaphragm should be according to backlight in optical film group 5
The concrete application of mould group and liquid crystal display die set and be specifically chosen setting；The number of lug 6 on each optical diaphragm can also be with
Greater than two, as long as guaranteeing that all lugs 6 in each optical film group 5 are respectively positioned in accommodation groove 111, and each accommodation groove 111
In the purpose of this utility model at most can be realized there are two lug 6.
More generally, it is assumed that the quantity of optical diaphragm is M, the quantity of each optical diaphragm upper lug 6 in optical film group 5
For N, the number of accommodation groove 111 is Y on lampshade 11, then there is Y >=(M × N)/2.
In the present embodiment, the quantity of the lug 6 on each optical diaphragm is identical, facilitate optical diaphragm and lug 6 plus
Work manufacture, in other embodiments, the quantity of the lug 6 on each optical diaphragm can choose as arbitrary number.
In the present embodiment, the spacing between the two neighboring lug 6 on each optical diaphragm is identical, and two neighboring appearance
The spacing set between slot 111 is also identical, is conducive to processing and the assembling aesthetics of lug 6 and accommodation groove 111, in other embodiments
In, the spacing between two lugs 6 on optical diaphragm can choose difference, and the gap between two accommodation grooves 111 can also be with
Selection is different, as long as the lug 6 being able to achieve on each optical diaphragm can be accommodated in accommodation groove 111, and each lug is at least
It is Nian Jie with one in the first adhesive tape 71 and the second adhesive tape 72.
In the present embodiment, accommodation groove 111 is arranged at intervals with multiple along the length direction of lampshade 11, in other embodiments
In, accommodation groove 111 may be one be arranged along 11 length direction of lampshade, and the lug 6 on each optical diaphragm is respectively positioned on this
In accommodation groove 111, as long as not influencing the function of lampshade 11, and it is able to achieve the fixation to lug 6.
In the present embodiment, accommodation groove 111 runs through the upper and lower surface of lampshade, is conducive to the processing and the of accommodation groove 111
The setting of one adhesive tape 71, in other embodiments, accommodation groove 111 can also only run through the upper surface of lampshade 11, at this point, the first glue
The slot bottom that accommodation groove 111 is set with 71.
In the present embodiment, the first adhesive tape 71 and the second adhesive tape 72 cover all accommodation grooves along the length direction of lampshade 11
111, other booster actions can be played with the first adhesive tape 71 and the second adhesive tape 72 while attaching clamp 6, in other implementations
In example, can also each accommodation groove 111 one section of first adhesive tape 71 and the second adhesive tape 72 are set, i.e., multiple accommodatings are directed on lampshade 11
Multistage the first adhesive tape 71 and the second adhesive tape 72 is arranged in slot 111, as long as being able to achieve the fixation to lug 6 on lampshade 11.
To keep optical film group 5 preferably fixed, 5 upper surface of optical film group is provided with fixed glue group 74, is used for optical film
Four sides of group 5 are adhesively fixed with corresponding 8 side wall of framework respectively, to realize whole optical film group 5 along 1 short transverse of backboard
It is fixed.
The utility model additionally provides a kind of liquid crystal display die set, includes above-mentioned backlight module.
Backlight module provided in this embodiment and liquid crystal display die set, by can be with light guide plate 4 by each optical diaphragm
Or lampshade 11 is fixed, so that whole optical film group 5 be made to be fixed on the light-emitting surface of light guide plate 4.Due to each optical diaphragm
Side fixed setting, in addition three sides are in free state, therefore can be to avoid backlight module issuable film in use
The phenomenon that piece displacement, climbing or bending；And due to being only provided with lug 6 on one side, and lug 6 is arranged on lampshade 11, can be with
Space is effectively saved, the design of narrow frame machine is conducive to；And since a lug 6 in accommodation groove 111 is mounted in bonding
Little Bai anti-top, it is possible to prevente effectively from the phenomenon that incident side light leakage；This kind of 6 set-up mode of lug, it is simple and convenient, it is easy to grasp
Make.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of backlight module, including backboard (1) and the light guide plate (4) and optical film group that are successively set on the backboard (1)
(5), backboard (1) side is bent to form the lampshade (11) above the backboard (1), which is characterized in that
The optical film group (5) includes multiple optical diaphragms being stacked, and each optical diaphragm is close to the lampshade
(11) side is provided at least one lug (6), and lampshade (11) upper surface offers accommodation groove (111), the lug
(6) it is at least partially disposed in the accommodation groove (111)；
The lampshade (11) is covered with the first adhesive tape (71) on the downside of the accommodation groove (111), and the lampshade (11) is in described
Be covered on the upside of accommodation groove (111) the second adhesive tape (72), the lug (6) at least with first adhesive tape (71) and described
A bonding in two adhesive tapes (72).
2. backlight module according to claim 1, which is characterized in that the accommodation groove (111) is along the lampshade (11)
Length direction is arranged at intervals with multiple, each accommodation groove (111) two lugs (6) of interior at most accommodating.
3. backlight module according to claim 2, which is characterized in that the accommodation groove (111) runs through the lampshade (11)
Upper and lower surface, lower surface of first adhesive tape (71) setting in the lampshade (11).
4. backlight module according to claim 2, which is characterized in that when there are two described convex in the accommodation groove (111)
When ear (6), two lugs (6) are stacked.
5. backlight module according to claim 2, which is characterized in that the lug being arranged on each optical diaphragm
(6) number is identical.
6. backlight module according to claim 2, which is characterized in that the lug on the two neighboring optical diaphragm
(6) it shifts to install.
7. backlight module according to claim 6, which is characterized in that two neighboring described convex on each optical diaphragm
Spacing between ear (6) is identical.
8. backlight module according to claim 1, which is characterized in that include four light in the optical film group (5)
Diaphragm is learned, setting is four there are two the lug (6), the number of the accommodation groove (111) on each optical diaphragm.
9. backlight module according to claim 1, first adhesive tape (71) is white double-sided adhesive, first adhesive tape
(71) it is connected to the light guide plate (4) on one side far from the lampshade (11).
10. a kind of liquid crystal display die set, which is characterized in that comprising such as the described in any item backlight modules of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820677985.5U CN208421464U (en) | 2018-05-08 | 2018-05-08 | A kind of backlight module and liquid crystal display die set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820677985.5U CN208421464U (en) | 2018-05-08 | 2018-05-08 | A kind of backlight module and liquid crystal display die set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208421464U true CN208421464U (en) | 2019-01-22 |
Family
ID=65116818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820677985.5U Active CN208421464U (en) | 2018-05-08 | 2018-05-08 | A kind of backlight module and liquid crystal display die set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208421464U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967788A (en) * | 2019-12-10 | 2020-04-07 | 厦门天马微电子有限公司 | Backlight module and display module |
| CN115097668A (en) * | 2022-07-25 | 2022-09-23 | 业成科技（成都）有限公司 | Backlight source diaphragm set preparation method, backlight module set and display structure |
| CN115494670A (en) * | 2022-09-06 | 2022-12-20 | 京东方科技集团股份有限公司 | Backlight module and display device |
-
2018
- 2018-05-08 CN CN201820677985.5U patent/CN208421464U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967788A (en) * | 2019-12-10 | 2020-04-07 | 厦门天马微电子有限公司 | Backlight module and display module |
| CN110967788B (en) * | 2019-12-10 | 2021-02-23 | 厦门天马微电子有限公司 | Backlight module and display module |
| CN115097668A (en) * | 2022-07-25 | 2022-09-23 | 业成科技（成都）有限公司 | Backlight source diaphragm set preparation method, backlight module set and display structure |
| CN115097668B (en) * | 2022-07-25 | 2023-08-25 | 业成科技（成都）有限公司 | Backlight source diaphragm group preparation method, backlight module and display structure |
| CN115494670A (en) * | 2022-09-06 | 2022-12-20 | 京东方科技集团股份有限公司 | Backlight module and display device |
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Address after: 215301 No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou Patentee after: Kunshan Longteng Au Optronics Co Address before: 215301 No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou Patentee before: Kunshan Longteng Optronics Co., Ltd. |