CN220671782U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
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- CN220671782U CN220671782U CN202321823749.7U CN202321823749U CN220671782U CN 220671782 U CN220671782 U CN 220671782U CN 202321823749 U CN202321823749 U CN 202321823749U CN 220671782 U CN220671782 U CN 220671782U
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- backlight module
- guide plate
- light guide
- light
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- 239000000758 substrate Substances 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Abstract
The present utility model relates to the field of display technologies, and in particular, to a backlight module and a display device. The backlight module provided by the utility model comprises a back plate, a light guide plate and a light bar, wherein the back plate is internally provided with a containing groove, the light guide plate is positioned in the containing groove, the light bar is arranged on the side wall of the containing groove, and the light bar is positioned between the side wall of the containing groove and the light guide plate, so that the light bar is bent, and multiple sides of the light guide plate are arranged opposite to the light bar, thereby the backlight module can provide high-brightness light. In addition, through the design of buckling to the lamp strip, need not to set up a plurality of independent lamp strips, reduced the cost, reduced the use quantity of connector, simplified the structure of control circuit board, also effectively reduced the design size of control circuit board. The display device provided by the utility model improves the display brightness of the display device by applying the backlight module, and has a simple structure, so that the structure is more compact.
Description
Technical Field
The present utility model relates to the field of display technologies, and in particular, to a backlight module and a display device.
Background
Currently, the full screen technology is an industry development trend and is also increasingly favored by users. Among them, the liquid crystal display device has many advantages such as the fuselage is thin, power saving, no radiation, etc., has got the wide application, the liquid crystal display device generally includes the liquid crystal display panel and provides the backlight module of the backlight for this liquid crystal display panel.
At present, a backlight module mainly comprises a side-in type backlight module and a direct type backlight module, wherein the existing side-in type backlight module generally uses a single lamp strip, and the lamp strip is arranged on one side of a light guide plate only, so that the brightness of light provided by the backlight module is lower, and the requirement of a display device on outdoor high brightness cannot be met. In the prior art, in order to improve the brightness of the display device, a plurality of independent light bars are usually arranged in the backlight module, so that the light bars are arranged on multiple sides of the light guide plate, but each light bar needs to be connected with the control circuit board by a connector, so that the complexity of the control circuit board structure is increased, and the size of the control circuit board is further increased due to the fact that the connectors need to be mounted on the control circuit board.
Therefore, a backlight module and a display device are needed to solve the above problems.
Disclosure of Invention
The utility model aims to provide a backlight module and a display device, which are used for improving the display brightness of the display device, and have a simple structure and a more compact structure.
To achieve the purpose, the utility model adopts the following technical scheme:
a backlight module, comprising:
the backboard is internally provided with an accommodating groove;
the light guide plate is positioned in the accommodating groove; and
the lamp strip, the lamp strip sets up on the lateral wall of storage tank, and the lamp strip is located the lateral wall of storage tank with between the light guide plate, the lamp strip buckles and sets up, so that the multiple sides of light guide plate all with the lamp strip sets up relatively.
Preferably, the light bar includes:
the substrate is arranged on the side wall of the accommodating groove and is bent; and
the LED lamps are arranged on the substrate at intervals along the extending direction of the substrate, and the LED lamps are arranged opposite to the side part of the light guide plate.
Preferably, the plurality of LED lamps are uniformly arranged at intervals on the substrate.
Preferably, the distance between each LED lamp and the side of the light guide plate is identical.
As a preferable scheme, the thickness of the LED lamp is 0.3 mm-0.35 mm.
As a preferred solution, the backlight module further includes:
and each corner of the light guide plate is fixed on the bottom wall of the accommodating groove through the fixing glue.
Preferably, the fixing glue is transparent elastic soft glue.
As an optimal scheme, the lamp strips are provided with two lamp strips, and the two lamp strips are bent.
Preferably, the two light bars are connected with the control circuit board through the same connector.
A display device comprising a display panel and a backlight module as described above, the backlight module being configured to provide a side-entry backlight to the display panel.
The utility model has the beneficial effects that:
the utility model provides a backlight module, which comprises a back plate, a light guide plate and a light bar, wherein a containing groove is arranged in the back plate, the light guide plate is positioned in the containing groove, the light bar is arranged on the side wall of the containing groove, the light bar is positioned between the side wall of the containing groove and the light guide plate, and the light bar is bent, so that multiple sides of the light guide plate are arranged opposite to the light bar, and the backlight module can provide high-brightness light. In addition, through the design of buckling to the lamp strip, need not to set up a plurality of independent lamp strips, the cost is reduced, also greatly reduced the use quantity of connector, simplified the structure of control circuit board, also effectively reduced the design size of control circuit board.
The display device provided by the utility model improves the display brightness of the display device by applying the backlight module, and has a simple structure, so that the structure is more compact.
Drawings
Fig. 1 is a schematic structural diagram of a backlight module according to a first embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a backlight module according to a second embodiment of the utility model;
fig. 3 is a schematic structural diagram of a backlight module according to a third embodiment of the utility model.
In the figure:
1. a back plate; 11. a receiving groove; 2. a light guide plate; 3. a light bar; 31. a substrate; 32. an LED lamp; 4. and (5) fixing glue.
Detailed Description
In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Example 1
Fig. 1 is a schematic structural diagram of a backlight module according to an embodiment of the present utility model, as shown in fig. 1, the backlight module provided in this embodiment includes a back plate 1, a light guide plate 2, and a light bar 3, wherein a receiving groove 11 is disposed in the back plate 1, the light guide plate 2 is located in the receiving groove 11, the light bar 3 is disposed on a sidewall of the receiving groove 11, and the light bar 3 is disposed between the sidewall of the receiving groove 11 and the light guide plate 2, and the light bar 3 is bent, so that multiple sides of the light guide plate 2 are disposed opposite to the light bar 3, and the light bar 3 can emit light toward multiple sides of the light guide plate 2, thereby enabling the backlight module to provide high brightness light. In addition, through the design of buckling to lamp strip 3, need not to set up a plurality of independent lamp strips 3, the cost is reduced, also significantly reduced connector's use quantity, simplified control circuit board's structure, also effectively reduced control circuit board's design size. It should be noted that, in the present embodiment, the light emitted by the light bar 3 first enters the light guide plate 2 through the light entrance side of the light guide plate 2, and when the light bar 3 is a linear light source or a point light source, the light guide plate 2 can convert the linear light source or the point light source entering from the side into a surface light source, and then emits from the light exit side of the light guide plate 2, thereby providing a light source for the display panel in the display device.
Preferably, in the present embodiment, as shown in fig. 1, one light bar 3 is subjected to two bending processes, so that three sides of the light guide plate 2 are disposed opposite to the light bar 3, thereby ensuring that the backlight module can provide light with high brightness. It should be noted that, in other embodiments, the light bar 3 may be bent one way and three ways, so long as the plurality of side portions of the light guide plate 2 are disposed opposite to the light bar 3.
Specifically, as shown in fig. 1, in the present embodiment, the light bar 3 includes a base 31 and a plurality of LED lamps 32, wherein the base 31 is disposed on a side wall of the accommodating groove 11, and the base 31 is folded, the plurality of LED lamps 32 are disposed on the base 31 at intervals along an extending direction of the base 31, and the LED lamps 32 are disposed opposite to a side portion of the light guide plate 2. It should be noted that, the substrate 31 may be a flexible circuit board, so that the substrate 31 is convenient to bend, and the substrate 31 supports and conducts the plurality of LED lamps 32.
Preferably, in the present embodiment, the plurality of LED lamps 32 are arranged at regular intervals on the substrate 31, so that the uniformity of the brightness of the light source of the plurality of LED lamps 32, which is directed to the light incident side of the light guide plate 2, can be improved throughout the light incident side.
Further, in this embodiment, the distance between each LED lamp 32 and the side portion of the light guide plate 2 is consistent, so that the light guide plate 2 is located at the middle position of the surrounding area of the light bar 3, and the phenomenon of uneven brightness of the backlight module is avoided.
In this embodiment, the thickness of the LED lamp 32 is 0.3mm to 0.35mm, thereby meeting the design of the narrow frame of the backlight module. Specifically, the LED lamp 32 may be a chip LED lamp.
In this embodiment, as shown in fig. 1, the backlight module further includes a fixing adhesive 4, and each corner of the light guide plate 2 is fixed on the bottom wall of the accommodating groove 11 by the fixing adhesive 4, so that the corner of the light guide plate 2 is fixed in the accommodating groove 11 by dispensing, and the fixing of the light guide plate 2 is simpler and more efficient. Specifically, the fixing glue 4 is transparent elastic soft glue, such as silica gel, and the silica gel has the advantages of good elasticity and high temperature resistance.
The embodiment also provides a display device, which comprises a display panel and the backlight module, wherein the backlight module is used for providing a side-in backlight source for the display panel. The display device provided by the embodiment improves the display brightness of the display device by applying the backlight module, and has a simple structure and a more compact structure.
Example two
The backlight module provided in this embodiment is substantially the same as that in the first embodiment, and the backlight module provided in this embodiment is different from that in the first embodiment in that: as shown in fig. 2, the light bar 3 provided in this embodiment is disposed around the periphery of the light guide plate 2, so that the side portions of the light guide plate 2 are disposed opposite to the light bar 3, thereby further improving the brightness of the light source provided by the backlight module. In this embodiment, the light guide plate 2 is rectangular, and therefore, the light bar 3 is bent three times so that four sides of the light guide plate 2 are disposed opposite to the light bar 3.
Example III
The backlight module provided in this embodiment is substantially the same as that in the first embodiment, and the backlight module provided in this embodiment is different from that in the first embodiment in that: as shown in fig. 3, in this embodiment, two light bars 3 are provided, and the two light bars 3 are bent, so that multiple sides of the light guide plate 2 are opposite to the light bars 3, thereby meeting the design of a large-size backlight module and meeting the condition that the length of one light bar 3 is not long enough. Specifically, in this embodiment, two light bars 3 are bent, wherein a portion of the two light bars 3 is disposed opposite to the same side portion of the light guide plate 2, and the remaining portions of the two light bars 3 are disposed opposite to two opposite side portions of the light guide plate 2, so as to ensure that three side portions of the light guide plate 2 are disposed opposite to the light bars 3. It should be noted that in this embodiment, the two light bars 3 are connected to the control circuit board through the same connector, and in other embodiments, the two light bars 3 may be connected to the control circuit board through one connector, so that the structure of the control circuit board is simplified correspondingly due to only two connectors, and the design size of the control circuit board is reduced effectively.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. A backlight module, comprising:
the back plate (1), the back plate (1) is internally provided with a containing groove (11);
the light guide plate (2) is positioned in the accommodating groove (11); and
the lamp strip (3), lamp strip (3) set up on the lateral wall of storage tank (11), and lamp strip (3) are located the lateral wall of storage tank (11) with between light guide plate (2), lamp strip (3) buckle and set up, so that the multiaspect of light guide plate (2) all with lamp strip (3) set up relatively.
2. A backlight module according to claim 1, wherein the light bar (3) comprises:
a base (31), wherein the base (31) is arranged on the side wall of the accommodating groove (11), and the base (31) is bent; and
the LED lamps (32) are arranged on the substrate (31) at intervals along the extending direction of the substrate (31), and the LED lamps (32) are arranged opposite to the side part of the light guide plate (2).
3. A backlight module according to claim 2, wherein a plurality of the LED lamps (32) are uniformly spaced on the substrate (31).
4. A backlight module according to claim 2, wherein each LED lamp (32) is spaced apart from the side of the light guide plate (2).
5. A backlight module according to claim 2, wherein the thickness of the LED lamp (32) is 0.3 mm-0.35 mm.
6. A backlight module according to any one of claims 1 to 5, further comprising:
and each corner of the light guide plate (2) is fixed on the bottom wall of the accommodating groove (11) through the fixing adhesive (4).
7. A backlight module according to claim 6, wherein the fixing glue (4) is a transparent elastic soft glue.
8. A backlight module according to any one of claims 1-5, wherein two light bars (3) are provided, and both light bars (3) are bent.
9. A backlight module according to claim 8, wherein two of the light bars (3) are connected to the control circuit board via the same connector.
10. A display device comprising a display panel and the backlight module of any one of claims 1-9, the backlight module configured to provide a side-entry backlight to the display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321823749.7U CN220671782U (en) | 2023-07-12 | 2023-07-12 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321823749.7U CN220671782U (en) | 2023-07-12 | 2023-07-12 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220671782U true CN220671782U (en) | 2024-03-26 |
Family
ID=90344467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321823749.7U Active CN220671782U (en) | 2023-07-12 | 2023-07-12 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220671782U (en) |
-
2023
- 2023-07-12 CN CN202321823749.7U patent/CN220671782U/en active Active
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| GR01 | Patent grant |