CN208721959U - A kind of backlight module and display device - Google Patents
A kind of backlight module and display device Download PDFInfo
- Publication number
- CN208721959U CN208721959U CN201821694855.9U CN201821694855U CN208721959U CN 208721959 U CN208721959 U CN 208721959U CN 201821694855 U CN201821694855 U CN 201821694855U CN 208721959 U CN208721959 U CN 208721959U
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- CN
- China
- Prior art keywords
- backboard
- light guide
- guide plate
- buffer layer
- supple buffer
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Abstract
The utility model relates to field of liquid crystal display backlight source modules to manufacture field, disclose a kind of backlight module and display device, comprising: backboard, including bottom plate and side plate, the backboard form accommodating space；Light guide plate is placed in the accommodating space that the backboard is formed；Glue frame is clamped with the backboard；Supple buffer layer between the light guide plate side and the side plate of the backboard, the supple buffer layer correspond to the light guide plate side and are coated with reflecting coating, correspond to the backboard side and are coated with shading coating.Backlight module provided by the utility model, by the way that supple buffer layer is placed between light guide plate and backboard, fixed light guide plate positioning, the reflection of light guide plate side light and backboard side gap shading purpose are realized, ensure that stability when backlight optical stabilization and display device show picture.
Description
Technical field
The utility model relates to field of liquid crystal display, in particular to a kind of backlight module and display device.
Background technique
Backlight module is one of key part and component of panel of LCD, and function is well-off brightness and divides
The uniform light source of cloth, can normally show image.It mainly include backboard, shading glue in existing common back light module unit structure
Band, glue frame, light guide plate, side reflector plate, membrane material and glass display screen.
To prevent light guide plate expanded by heating in the work of mould group to be squeezed and deformed, there are certain activities for surrounding in the design
Space, however the presence in this piecemeal activity space moves freely light guide plate in a certain range, affects backlight module light
It learns, the stability of picture.
Utility model content
The utility model provides a kind of backlight module and display device, the position stability of light guide plate in the backlight module
It is higher, it ensure that stability when display device shows picture.
In order to achieve the above objectives, the utility model the following technical schemes are provided:
A kind of backlight module, comprising:
Backboard, including bottom plate and side plate, the backboard form accommodating space；
Light guide plate is placed in the accommodating space that the backboard is formed；
Glue frame is clamped with the backboard；
Supple buffer layer between the light guide plate side and the side plate of the backboard, the supple buffer layer are corresponding
It is coated with reflecting coating in the light guide plate side, corresponds to the backboard side and is coated with shading coating.
Backlight module provided by the utility model, by the way that the supple buffer layer is placed in the light guide plate side and institute
It states between the side plate of backboard, the positioning for realizing the light guide plate is fixed；Itself can deformation occurs for the supple buffer layer, when leading
For the tabula rasa in the work of mould group when expanded by heating, the supple buffer layer can prevent the light guide plate to be squeezed and deformed；And it is described
Supple buffer layer corresponds to light guide plate side and is coated with reflecting coating, and the side corresponding to backboard is coated with shading coating, can be real
The purpose of the existing guide-lighting side light reflection and the shading of backboard side.
Therefore, backlight module provided by the utility model realizes light guide plate positioning and fixes, ensure that backlight optical is stablized
Stability when picture is shown with display device.
Preferably, the supple buffer layer is Nian Jie with the light guide plate towards the light guide plate side.
Preferably, the bottom plate side of the supple buffer layer towards the backboard is Nian Jie with the bottom plate of the backboard.
Preferably, the side plate side of the supple buffer layer towards the backboard is Nian Jie with the side plate of the backboard.
Preferably, the supple buffer layer and the bonding way of the backboard and the light guide plate are double-sided adhesive adherency.
Preferably, the supple buffer layer is designed as " L " type.
Preferably, the material of the supple buffer layer is white foam rubber.
Preferably, the backlight module further includes membrane material, and the membrane material both sides open up membrane material positioning tab.
Preferably, the use of the new type provides a kind of display device, including the backlight module.
Detailed description of the invention
Fig. 1 is the schematic diagram of backlight module provided by the utility model；
Fig. 2 is that the flexibility for the connection scheme one that supple buffer layer provided by the utility model and backboard and light guide plate are fixed is slow
Rush the structural schematic diagram of layer；
Fig. 3 is that the flexibility for the connection scheme two that supple buffer layer provided by the utility model and backboard and light guide plate are fixed is slow
Rush the structural schematic diagram of layer；
Fig. 4 is the backlight mould for the connection scheme two that supple buffer layer provided by the utility model and backboard and light guide plate are fixed
The schematic diagram of group；
Fig. 5 is that the flexibility for the connection scheme three that supple buffer layer provided by the utility model and backboard and light guide plate are fixed is slow
Rush the structural schematic diagram of layer；
Fig. 6 is the backlight mould for the connection scheme three that supple buffer layer provided by the utility model and backboard and light guide plate are fixed
The schematic diagram of group；
Fig. 7 is the top view of membrane material provided by the utility model.
In figure:
1- glue frame；2- supple buffer layer；21- shading coating；22- white foamed cotton layer；
23- reflecting coating；24- adhesion layer；3- backboard；4- light guide plate；5- membrane material；
51- membrane material positioning tab.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1 and Fig. 2, the utility model provides a kind of backlight module and display device, comprising:
Backboard 3, including bottom plate and side plate, backboard 3 form accommodating space；
Light guide plate 4 is placed in the accommodating space of the formation of backboard 3；
Glue frame 1 is clamped with backboard 1；
Supple buffer layer 2 between 4 side of light guide plate and the side plate of backboard 3, supple buffer layer 2 correspond to light guide plate
4 sides are coated with reflecting coating, correspond to 3 side of backboard and are coated with shading coating.
Supple buffer layer 2 is placed between light guide plate 4 and the side plate of backboard 3, and the positioning for realizing light guide plate 4 is fixed；It is soft
Property buffer layer 2 itself can deformation occurs, when light guide plate 4 mould group work in expanded by heating when, supple buffer layer 2 can prevent leaded light
Plate 4 is squeezed and deformed；Backboard 3 is fixed with glue frame 1 by hook, and 3 stuck point of backboard is formed by 3 material stamped bumps of backboard, raised position
It sets in the presence of compared with big gap, supple buffer layer 2 corresponds to 4 side of light guide plate and is coated with reflecting coating 21, the side corresponding to backboard 3
Coated with shading coating 21, it can be achieved that the purpose of the reflection of 4 side light of light guide plate and 3 side shading of backboard, ensure that backlight optical
Stablize.
Supple buffer layer 2 has following three kinds with the scheme that is fixedly connected of backboard 3 and light guide plate 4, can optionally first,
Scheme one: as depicted in figs. 1 and 2, supple buffer layer 2 is viscous towards the bottom plate side of backboard 3 and the bottom plate of backboard 3
It connects.Adhesion layer 24 is set to the lower section of supple buffer layer 2, supple buffer layer 2 is adhered to the bottom of backboard 3 by adhesion layer 24
Plate, it is normal to assemble in light guide plate 4 and other list portion wealth to 3 slot of backboard, realize positioning fixation, the 4 side light of light guide plate of light guide plate 4
Reflection and 3 side gap shading purpose of backboard guarantee that backlight optical is stablized.
Scheme two: as shown in Figure 3 and Figure 4, supple buffer layer 2 is Nian Jie with the light guide plate 4 towards 4 side of light guide plate.It will
Adhesion layer 2424 is set to above the reflecting coating of supple buffer layer 2, and supple buffer layer 2 is adhered to leaded light by adhesion layer 24
The side of plate 4, supple buffer layer 2 follow light guide plate 4 to be assembled into backlight, realize positioning fixation, 4 side of light guide plate of light guide plate 4
Marginal ray reflection and 3 side gap shading purpose of backboard guarantee that backlight optical is stablized.
Scheme three: as shown in Figure 5 and Figure 6, supple buffer layer 2 is viscous towards the side plate side of backboard 3 and the side plate of backboard 3
It connects.Adhesion layer 24 is set to below the shading coating of supple buffer layer 2, is adhered to supple buffer layer 2 by adhesion layer 24
The side plate of backboard 3, it is normal to assemble in light guide plate 4 and other list portion wealth to 3 slot of backboard, realize positioning fixation, the leaded light of light guide plate 4
The reflection of 4 side light of plate and 3 side gap shading purpose of backboard guarantee that backlight optical is stablized.
The assembling of supple buffer layer 2 can replace the use of original 4 side reflector plate of light guide plate and 3 shading rubber belt of backboard, section
About cost, and shading rubber belt is pasted due to the installation ratio of supple buffer layer 2 and saves the time, improve assembling operation efficiency.
Wherein, supple buffer layer 2 and the bonding way of backboard 3 and light guide plate 4 can adhere to for double-sided adhesive.
Optionally, supple buffer layer 2 may be designed as " L " type, install pattern contract in " L " type supple buffer layer 2 and 3 slot of backboard
It closes, and correspond to 4 side of light guide plate to reflect light, improves the utilization rate of light.
Optionally, the material of supple buffer layer 2 can be white foam rubber 22, and white foam rubber 22 carries reflecting effect can
To carry out secondary reflection to light, the utilization rate of light is improved.
In addition, as shown in fig. 7, backlight module further includes membrane material 5,5 both sides of membrane material open up membrane material positioning tab 51, for standard
Really fixed membrane material 5 is installed.
The utility model additionally provides a kind of display device, includes the backlight module of any of the above-described, ensure that display
Device shows stability when picture.
Obviously, those skilled in the art the utility model embodiment can be carried out various modification and variations without departing from
The spirit and scope of the utility model.In this way, if these modifications and variations of the present invention belong to the utility model right
It is required that and its within the scope of equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (9)
1. a kind of backlight module characterized by comprising
Backboard, including bottom plate and side plate, the backboard form accommodating space；
Light guide plate is placed in the accommodating space that the backboard is formed；
Glue frame is clamped with the backboard；
Supple buffer layer between the light guide plate side and the side plate of the backboard, the supple buffer layer correspond to institute
Light guide plate side is stated coated with reflecting coating, corresponds to the backboard side and is coated with shading coating.
2. backlight module according to claim 1, which is characterized in that the supple buffer layer is towards the light guide plate side
It is Nian Jie with the light guide plate.
3. backlight module according to claim 1, which is characterized in that bottom plate of the supple buffer layer towards the backboard
Side is Nian Jie with the bottom plate of the backboard.
4. backlight module according to claim 1, which is characterized in that side plate of the supple buffer layer towards the backboard
Side is Nian Jie with the side plate of the backboard.
5. according to the described in any item backlight modules of claim 2-4, which is characterized in that the supple buffer layer and the backboard
Bonding way with the light guide plate is double-sided adhesive adherency.
6. backlight module according to claim 1, which is characterized in that the supple buffer layer is designed as " L " type.
7. backlight module according to claim 1, which is characterized in that the material of the supple buffer layer is white foam
Glue.
8. backlight module according to claim 1, which is characterized in that further include membrane material, the membrane material both sides open up membrane material
Positioning tab.
9. a kind of display device, which is characterized in that including such as described in any item backlight modules of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821694855.9U CN208721959U (en) | 2018-10-18 | 2018-10-18 | A kind of backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821694855.9U CN208721959U (en) | 2018-10-18 | 2018-10-18 | A kind of backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208721959U true CN208721959U (en) | 2019-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821694855.9U Active CN208721959U (en) | 2018-10-18 | 2018-10-18 | A kind of backlight module and display device |
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| CN (1) | CN208721959U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175880A (en) * | 2020-02-25 | 2020-05-19 | 高创(苏州)电子有限公司 | Backlight module and display device |
| CN113934037A (en) * | 2021-10-26 | 2022-01-14 | 武汉华星光电技术有限公司 | Display device |
| CN114935852A (en) * | 2022-05-31 | 2022-08-23 | 惠科股份有限公司 | Backlight module and display device |
| CN115294870A (en) * | 2022-08-17 | 2022-11-04 | 北京京东方显示技术有限公司 | Display device and splicing display device |
| CN113934037B (en) * | 2021-10-26 | 2024-04-12 | 武汉华星光电技术有限公司 | Display device |
-
2018
- 2018-10-18 CN CN201821694855.9U patent/CN208721959U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175880A (en) * | 2020-02-25 | 2020-05-19 | 高创(苏州)电子有限公司 | Backlight module and display device |
| CN113934037A (en) * | 2021-10-26 | 2022-01-14 | 武汉华星光电技术有限公司 | Display device |
| CN113934037B (en) * | 2021-10-26 | 2024-04-12 | 武汉华星光电技术有限公司 | Display device |
| CN114935852A (en) * | 2022-05-31 | 2022-08-23 | 惠科股份有限公司 | Backlight module and display device |
| CN115294870A (en) * | 2022-08-17 | 2022-11-04 | 北京京东方显示技术有限公司 | Display device and splicing display device |
| CN115294870B (en) * | 2022-08-17 | 2024-01-23 | 北京京东方显示技术有限公司 | Display device and spliced display device |
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