CN212364763U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN212364763U CN212364763U CN202020622144.1U CN202020622144U CN212364763U CN 212364763 U CN212364763 U CN 212364763U CN 202020622144 U CN202020622144 U CN 202020622144U CN 212364763 U CN212364763 U CN 212364763U
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- backlight module
- bottom plate
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- opening
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- 230000003287 optical effect Effects 0.000 claims abstract 3
- 230000004308 accommodation Effects 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 description 7
- 239000012788 optical film Substances 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a backlight module and a display device, the utility model discloses a backlight module comprises a back plate, an optical diaphragm, a light guide plate, a lampshade and a lamp strip, wherein the back plate comprises a bottom plate and a plurality of side walls which are arranged on the bottom plate in an enclosing way; meanwhile, one end of the lamp strip is connected with the supporting plate of the lampshade, and the other end of the lamp strip extends into the opening and the lampshade is connected with the side wall, so that the width of the frame of the backlight module is reduced. The utility model discloses a backlight module, it can make backlight module frame narrow, realizes the narrow frame of backlight module.
Description
Technical Field
The utility model relates to a show technical field, especially relate to backlight unit and display device.
Background
With the wide application of liquid crystal display devices in various fields, people have made higher demands on the thinning and frame narrowing of liquid crystal display devices, and the thickness of the liquid crystal display module and the frame are required to be as thin as possible.
Currently, the backlight module is designed by adopting a three-iron part design, namely: the front frame, the middle frame and the back plate are combined and fixed by two-phase buckles. When the assembly and the clamping are carried out, reasonable gaps (currently 0.15mm) need to be reserved among the three parts, so that the frame of the existing backlight module is generally wide, and the narrow frame design cannot be realized.
Therefore, it is highly desirable to design a new backlight module to solve the above problems and to realize a narrow bezel design.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a backlight module and a display device to realize a narrow frame of the backlight module and the display device.
The utility model discloses a backlight module, including backplate, light guide plate and a plurality of optics diaphragm, the backplate includes the bottom plate and encloses a plurality of lateral walls that establish on the bottom plate, the bottom plate forms accommodation space with a plurality of lateral walls, its characterized in that, at least one side of bottom plate does not set up the lateral wall in order to form an opening, light guide plate and optics diaphragm are configured to insert from the opening accommodation space and range upon range of on the bottom plate; backlight unit still includes lamp strip and lamp shade, the lamp shade sets up the opening is kept away from accommodation space's one side and with the backplate is connected, the lamp shade includes the backup pad, lamp strip one end with the backup pad orientation open-ended one side is connected, and the other end orientation the opening extends and stretches into the opening.
Furthermore, the lampshade also comprises fixed arms which are arranged at two ends of the supporting plate and connected with the side walls at two ends of the opening.
Furthermore, backlight unit still includes the screw, the opening both ends the lateral wall is close to the one end of lamp shade just keeps away from accommodation space's one side is equipped with first recess, the fixed arm stretches into first recess, the screw passes the fixed arm, and stretch into the lateral wall is in order to screw up the fixed arm on the lateral wall.
Furthermore, the backlight module also comprises a top plate, and the top plate is arranged at one end, far away from the bottom plate, of the side wall.
Furthermore, the lampshade also comprises a cross arm which is arranged at two ends of the supporting plate without the fixed arm and extends towards the direction of the accommodating space; the cross arm is connected with the top plate and/or the bottom plate.
Furthermore, the backlight module further comprises an adhesive tape, a second groove is formed in one side, close to the cross arm, of the top plate and/or the bottom plate, the cross arm extends into the second groove, and the adhesive tape is attached to the cross arm and the top plate and/or the cross arm and the bottom plate.
Further, the lateral wall is kept away from the one end of bottom plate still is equipped with first barricade, and/or the backup pad is kept away from the one end of bottom plate still is equipped with the second barricade.
Furthermore, a reinforcing rib is further arranged on one side, far away from the accommodating space, of the supporting plate.
Furthermore, a notch is further formed in one side, close to the lampshade, of the bottom plate, and the conducting wire of the light bar extends out of the backlight module from the notch.
The utility model also provides a display device, including display panel and foretell backlight unit, display panel is range upon range of and is in on the backlight unit.
The utility model discloses a backlight module, including backplate, optics diaphragm, light guide plate, lamp shade and lamp strip, this backplate includes the bottom plate and encloses a plurality of lateral walls that establish on this bottom plate, through at least one side of bottom plate at the backplate do not set up this lateral wall in order to form an opening, configure light guide plate and optics diaphragm into and insert accommodation space and range upon range of on the bottom plate of backplate from the opening; meanwhile, one end of the lamp strip is connected with the supporting plate of the lampshade, and the other end of the lamp strip extends into the opening and the lampshade is connected with the side wall. And then cancel the setting of center, reduce material thickness and clearance and then make backlight unit frame narrow.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
fig. 1 is a schematic perspective view of a backlight module according to a first embodiment of the present invention;
fig. 2 is an exploded view of a backlight module according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is a schematic perspective view of a backlight module lampshade according to a first embodiment of the present invention;
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the present invention, the following detailed description will be given with reference to the accompanying drawings and preferred embodiments for the specific embodiments, structures, features and operating principles of a backlight module and a display device according to the present invention.
Fig. 1 is a schematic perspective view of a backlight module according to a first embodiment of the present invention; fig. 2 is an exploded view of a backlight module according to an embodiment of the present invention; FIG. 3 is an enlarged schematic view of portion A of FIG. 2; fig. 4 is a schematic perspective view of a backlight module lampshade according to an embodiment of the present invention. As shown in fig. 1 to 4, a backlight module 100 of the present invention includes a back plate 1, a light guide plate (not shown), a plurality of optical films (not shown), a light bar (not shown), and a lamp cover 2; the back plate 1 includes a bottom plate 11, a plurality of side walls 12 surrounding the bottom plate 11, and a top plate 13, the bottom plate 11 and the plurality of side walls 12 form an accommodating space 200, at least one side of the bottom plate 11 not provided with the side walls 12 forms an opening 10, and the top plate 13 is disposed at one end of the side walls 12 far away from the bottom plate 11.
Specifically, in the present embodiment, the plurality of side walls 12 are disposed on the bottom plate 11, the plurality of side walls 12 and the bottom plate 11 enclose the accommodating space 200, and the top plate 13 is disposed on the side walls 12; the opposing side walls 12, top plate 13 and bottom plate 11 form the opening 10. In this embodiment, the bottom plate 11 and the side walls 12 are rectangular, the number of the side walls 12 is three, the three side walls 12 are disposed on the rectangular bottom plate 11 and surround the rectangular bottom plate 11, the top plate 13 is a square hollow plate, the top plate 13 is disposed at one end of the side walls 12 far away from the bottom plate 11, and the top plate 13 is welded to the side walls 12. The bottom plate 11, the side wall 12 and the square ceiling 13 form an opening 10. The light guide plate (not shown) and the optical film (not shown) are configured to be inserted into the receiving space 200 from the opening 10 and stacked on the bottom plate 11.
In addition, in the present embodiment, 3 side walls 12 are provided, in other embodiments, 4 side walls 12 may also be provided, or the number of side walls 12 is equal to the number of side edges of the bottom plate 11, in this case, one of the side walls 12 may also be provided with the opening 10 in a direction parallel to the bottom plate 11.
The lampshade 2 is disposed on one side of the opening 10 far away from the accommodating space 200 and connected with the back plate 1, the lampshade 2 includes a support plate 21, one end of the light bar (not shown) is connected with one side of the support plate 21 facing the opening 10, and the other end extends toward the opening 10 and extends into the opening 10.
Further, the lamp housing 2 further includes a fixing arm 22, and the fixing arm 22 is disposed at both ends of the supporting plate 21 and connected to the sidewalls 12 at both ends of the opening 10. Specifically, the backlight module 100 is further provided with a screw 3, a first groove 20 is provided at one end of the side wall 12 at the two ends of the opening 10, which is close to the lamp shade 2 and is far away from the accommodating space 200, and the fixing arm 22 extends into the first groove 20 and abuts against one side of the side wall 12 forming the first groove 20, which faces the fixing arm 22; the screw 3 passes through the fixing arm 22 and extends into the side wall 12 so that the fixing arm 22 is screwed onto the side wall 12.
In this embodiment, the fixing arm 22 may be provided with a first screw hole 221, and the side wall 12 forming the first groove 20 and adjacent to the fixing arm 22 is provided with a second screw hole 121. When assembling the backlight module 100, the light guide plate (not shown) and the optical film (not shown) are inserted into the receiving space 200 from the opening 10, the screw 3 is inserted through the first screw hole 221 and screwed into the second screw hole 121 so that the fixing arm 22 is fixed on the side wall 12 and the lamp housing 2 is fixed on the side wall 12; when the backlight module 100 is disassembled, the screws 3 are unscrewed to detach the fixing arms 22 from the side walls 12, and then the lamp housing 2 is removed, and the light guide plate (not shown) and the optical film (not shown) are taken out from the opening 10 of the back plate 1, thereby completing the disassembly of the backlight module 100.
In addition, in the present embodiment, the fixing arm 22 and the side wall 12 adjacent to the fixing arm 22 are provided with screw holes, in other embodiments, the side wall 12 adjacent to the fixing arm 22 may not be provided with screw holes, and the screw 3 passes through the fixing arm 22 and abuts against the side wall 12 to tighten the fixing arm 22 on the side wall 12.
Further, the canopy 2 further includes a cross arm 23, and the cross arm 23 is disposed at both ends of the support plate 21 where the fixing arm 22 is not disposed and extends toward the accommodating space 200. A second recess 30 is provided in the top plate 13 and/or the bottom plate 11 on the side adjacent to the crossbar 23, the crossbar 23 extending into the second recess 30. The backlight module 100 further includes an adhesive tape 4, after the light guide plate (not shown) and the optical film (not shown) are placed in the receiving space 200, the adhesive tape 4 is attached to the second groove 30 on the side of the top plate 13 and/or the bottom plate 11 close to the horizontal arm 23, the horizontal arm 23 is extended into the second groove 30, the horizontal arm 23 is attached to the top plate 13 and/or the bottom plate 11 through the adhesive tape 4, and then the fixing arm 22 of the lamp housing 2 is locked to the side wall 12 through the screw 3.
In other embodiments, the fixing arm 22 may be locked to the side wall 12 only by the screw 3 or the cross arm 23 may be attached to the top plate 13 and/or the bottom plate 11 only by the adhesive tape 4, which is not limited to the specific case. When the backlight module 100 needs to be disassembled, the adhesive tape 4 can be peeled off from the cross arm 23 and the top plate 13 and/or the cross arm 23 and the bottom plate 11, and then the lampshade 2 can be taken away, so that the lampshade 2 can be disassembled from the back plate 1.
Further, a first retaining wall 14 is further disposed at an end of the back plate 1 away from the bottom plate 11, specifically, an end of the side wall 12 away from the bottom plate 11, and/or a second retaining wall 24 is further disposed at an end of the supporting plate 21 away from the bottom plate 11. The first retaining wall 14 and the second retaining wall 24 can prevent a display panel (not shown) disposed on the backlight module 100 from sliding off.
Further, a reinforcing rib 25 is further disposed on a side of the support plate 21 away from the accommodating space 200, and the reinforcing rib 25 can enhance the strength of the support plate 21.
Furthermore, a notch 111 is further disposed on one side of the bottom plate 11 close to the lamp shade 2, and a conducting wire of the light bar (not shown) extends out of the backlight module from the notch 111.
Further, the present invention also discloses a display device (not shown), which includes a display panel (not shown), and the backlight module 100, wherein the display panel (not shown) is stacked on the backlight module 100.
The utility model discloses a backlight module 100 includes, backplate 1, optics diaphragm (not shown), light guide plate (not shown), lamp shade 2 and lamp strip (not shown), and this backplate includes the bottom plate and encloses a plurality of lateral walls that establish on the bottom plate, the utility model discloses a do not set up lateral wall 12 in order to form an opening 10 at least one side of bottom plate 11 of backplate 1, insert light guide plate (not shown) and optics diaphragm (not shown) into accommodation space 200 and range upon range of on bottom plate 11 of backplate 1 from opening 10; meanwhile, one end of the lamp strip (not shown) is connected to the support plate 21 of the lampshade 2, the other end of the lamp strip extends into the opening 10, and the lampshade 2 is connected to the side wall 1. Thereby narrowing the frame of the backlight module 100 and realizing the narrow frame of the backlight module 100.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.
Claims (10)
1. A backlight module comprises a back plate, a light guide plate and a plurality of optical diaphragms, wherein the back plate comprises a bottom plate and a plurality of side walls which are arranged on the bottom plate in a surrounding mode, the bottom plate and the side walls form an accommodating space, the backlight module is characterized in that at least one side edge of the bottom plate is not provided with the side walls to form an opening, and the light guide plate and the optical diaphragms are configured to be inserted into the accommodating space from the opening and stacked on the bottom plate; backlight unit still includes lamp strip and lamp shade, the lamp shade sets up the opening is kept away from accommodation space's one side and with the backplate is connected, the lamp shade includes the backup pad, lamp strip one end with the backup pad orientation open-ended one side is connected, and the other end orientation the opening extends and stretches into the opening.
2. The backlight module as claimed in claim 1, wherein the lamp housing further comprises a fixing arm disposed at both ends of the supporting plate and connected to the sidewalls at both ends of the opening.
3. The backlight module according to claim 2, further comprising a screw, wherein a first groove is formed at a side of the side wall at the two ends of the opening, the side wall being close to one end of the lamp housing and being far away from the accommodating space, the fixing arm extends into the first groove, and the screw passes through the fixing arm and extends into the side wall to screw the fixing arm onto the side wall.
4. The backlight module according to claim 2, further comprising a top plate disposed at an end of the side wall away from the bottom plate.
5. The backlight module according to claim 4, wherein the lamp housing further comprises a cross arm disposed at two ends of the supporting plate where the fixing arm is not disposed and extending toward the accommodating space; the cross arm is connected with the top plate and/or the bottom plate.
6. The backlight module according to claim 5, further comprising a tape, wherein a second groove is formed on one side of the top plate and/or the bottom plate close to the cross arm, the cross arm extends into the second groove, and the tape is attached to the cross arm and the top plate and/or the cross arm and the bottom plate.
7. The backlight module according to claim 1, wherein a first retaining wall is further disposed at an end of the side wall away from the bottom plate, and/or a second retaining wall is further disposed at an end of the supporting plate away from the bottom plate.
8. The backlight module according to claim 1, wherein a reinforcing rib is further disposed on a side of the supporting plate away from the accommodating space.
9. The backlight module of claim 1, wherein a notch is further formed on a side of the bottom plate adjacent to the lamp housing, and the conducting wire of the light bar extends out of the backlight module from the notch.
10. A display device comprising a display panel, and further comprising the backlight module according to any one of claims 1 to 9, wherein the display panel is stacked on the backlight module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020622144.1U CN212364763U (en) | 2020-04-23 | 2020-04-23 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020622144.1U CN212364763U (en) | 2020-04-23 | 2020-04-23 | Backlight module and display device |
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| Publication Number | Publication Date |
|---|---|
| CN212364763U true CN212364763U (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020622144.1U Active CN212364763U (en) | 2020-04-23 | 2020-04-23 | Backlight module and display device |
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| CN (1) | CN212364763U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114822262A (en) * | 2022-05-11 | 2022-07-29 | 绵阳惠科光电科技有限公司 | Backlight module and display device |
| CN114967227A (en) * | 2022-04-25 | 2022-08-30 | 成都京东方光电科技有限公司 | Backlight module and display device |
-
2020
- 2020-04-23 CN CN202020622144.1U patent/CN212364763U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114967227A (en) * | 2022-04-25 | 2022-08-30 | 成都京东方光电科技有限公司 | Backlight module and display device |
| CN114822262A (en) * | 2022-05-11 | 2022-07-29 | 绵阳惠科光电科技有限公司 | Backlight module and display device |
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