CN211554571U - Backlight module - Google Patents
Backlight module Download PDFInfo
- Publication number
- CN211554571U CN211554571U CN201922464786.3U CN201922464786U CN211554571U CN 211554571 U CN211554571 U CN 211554571U CN 201922464786 U CN201922464786 U CN 201922464786U CN 211554571 U CN211554571 U CN 211554571U
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- Prior art keywords
- frame
- backlight module
- back plate
- clamping
- groove
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- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- 239000002390 adhesive tape Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a backlight module, which comprises a back plate and an optical diaphragm, wherein the back plate comprises a bottom plate and a plurality of side walls, the bottom plate and the side walls form an accommodating space, the optical diaphragm is accommodated in the accommodating space, the rubber frame further comprises a plurality of first frames and a plurality of second frames adjacent to the first frames, and the first frames and the second frames are positioned in the accommodating space and are arranged close to the side walls; first frame both ends are equipped with card clamping part, the second frame is equipped with the pothook, the pothook of second frame is with adjacent the card clamping part lock of first frame, so that first frame with second frame nested connection, the utility model provides a backlight unit can effectively realize reducing backlight frame's thickness, realizes display module's frivolous demonstration.
Description
Technical Field
The utility model relates to a show technical field, especially relate to a backlight unit.
Background
With the development of the thin film transistor-liquid crystal display technology and the progress of the industrial technology, the production cost of a liquid crystal display device is reduced day by day, the manufacturing process is improved day by day, and the thin film transistor-liquid crystal display has become the mainstream technology in the field of flat panel display due to the characteristics of high response speed, high contrast, bright color and the like, so that the technical defect of liquid crystal display is important day by day, the liquid crystal display module generally comprises a backlight module, a rubber frame, an outer frame and a display screen, and the backlight module is used for providing a backlight source for the display screen and realizing the uniform light emission of the display screen; the outer frame is used for realizing the integral support and installation of the liquid crystal display module; the rubber frame is arranged between the outer frame and the back plate of the backlight module or arranged on the inner side of the back plate so as to provide a carrying surface and carrying support for carrying the display screen above the backlight module. Along with the development trend of light weight, thinness and miniaturization of electronic products, the requirements of people on the liquid crystal display module are also continuously improved, and the requirements on the width of the frame of the liquid crystal display module are also more and more narrow.
Fig. 1 is a schematic view of a connection structure of a backlight module rubber frame and a back plate in the prior art in one way, and fig. 2 is a schematic view of a connection structure of a backlight module rubber frame and a back plate in another way in the prior art; as shown in fig. 1-2, the back plate 1 and the rubber frame 3 in the backlight module are usually bonded by the adhesive tape 2 during assembly, or the side wall of the back plate 1 is fixed in a backward bending manner, because the adhesive layer of the adhesive tape 2 has a certain thickness and the back plate 1 is bent to make the frame of the module thicker, both of the above two manners do not meet the development trend of the narrow frame of the backlight module.
Therefore, in order to solve the above problems, it is desirable to provide a backlight module with a narrow frame effect, which can enhance the stability of the assembly effect as much as possible and reduce the thickness of the space occupied by the frame of the backlight module, so as to achieve the purpose of being beneficial to the development of the narrow frame of the display device.
SUMMERY OF THE UTILITY MODEL
The utility model adopts the following technical proposal: a backlight module comprises a back plate and an optical diaphragm, wherein the back plate comprises a bottom plate and a plurality of side walls, the bottom plate and the side walls form an accommodating space, the optical diaphragm is accommodated in the accommodating space, the rubber frame further comprises a plurality of first frames and a plurality of second frames adjacent to the first frames, and the first frames and the second frames are located in the accommodating space and are close to the side walls; the two ends of the first frame are provided with clamping parts, the second frame is provided with a clamping hook, and the clamping hook of the second frame is buckled with the clamping part of the adjacent first frame, so that the first frame and the second frame are connected in a nested manner.
Furthermore, the first frame further comprises a first supporting part and a first bearing part, and the clamping parts are arranged at two ends of the first bearing part; the second frame further comprises a second supporting part and a second bearing part, and the clamping hooks are arranged at two ends of the second bearing part.
Furthermore, the clamping part comprises a first clamping block and a connecting sheet, the connecting sheet is fixedly connected with two ends of the first frame, and the first clamping block is located on the connecting sheet and forms a first groove with the first frame.
Furthermore, the clamping hook comprises a second clamping block and a connecting strip, one end of the connecting strip is connected with the second frame, the other end of the connecting strip is connected with the second clamping block, and the second clamping block, the connecting strip and the second frame form a second groove; the connecting strip and the second clamping block are clamped in the first groove, and the first clamping block is clamped in the second groove.
Further, the width of the connecting strip is the same as the distance from the first clamping block to the first frame.
Furthermore, one side of at least one of the first frame and the second frame, which is close to the bottom plate, is provided with a plurality of buckles, a plurality of clamping grooves are formed at the joint of the side wall and the bottom plate, and the buckles extend into the clamping grooves, so that the first frame and/or the second frame are/is connected with the backboard in a nested manner.
Furthermore, the buckle further comprises an extension part, the extension part and the first support part or the second support part form the buckle, one end of the extension part is connected with the first support part and/or one end of the extension part is connected with the second support part, and the other end of the extension part extends into the clamping groove.
Further, a notch is formed in the area, close to the buckle, of the first frame and/or the second frame.
Furthermore, the first frame and/or the second frame are provided with a first sliding groove, the backboard further comprises a cross arm, one end of the cross arm is connected with the side wall, and the other end of the cross arm extends into the first sliding groove.
Further, the included angle between the cross arm and the side wall is 45-90 degrees.
Compared with the prior art, the beneficial effects of the utility model are that: the backlight module comprises a back plate and an optical diaphragm, wherein the back plate comprises a bottom plate and a plurality of side walls, the bottom plate and the side walls form an accommodating space, the optical diaphragm is accommodated in the accommodating space, the rubber frame further comprises a plurality of first frames and a plurality of second frames adjacent to the first frames, and the first frames and the second frames are positioned in the accommodating space and are close to the side walls; the two ends of the first frame are provided with clamping parts, the second frame is provided with clamping hooks, and the clamping hooks of the second frame are buckled with the clamping parts of the adjacent first frame, so that the first frame and the second frame are connected in a nested manner, and an adhesive tape which is usually required by the back plate and the adhesive frame during assembly is omitted, so that the space thickness occupied by the frame of the backlight module can be reduced, and the purpose of facilitating the narrow-frame development of the display equipment is achieved.
In order to make the aforementioned and other objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail as follows:
drawings
FIG. 1 is a schematic view of a connection structure of a backlight module rubber frame and a back plate in a prior art;
FIG. 2 is a schematic view of another connection structure of a backlight module rubber frame and a back plate in the prior art;
fig. 3 is a schematic view illustrating an exploded structure of a rubber frame and a back plate of a backlight module according to a first embodiment of the present invention;
fig. 4 is a schematic structural view of a first frame and a second frame of a backlight module according to a first embodiment of the present invention;
fig. 5 is a schematic structural view illustrating an assembled middle rubber frame and a back plate of a backlight module according to a first embodiment of the present invention;
FIG. 6 is a schematic perspective view of the structure of FIG. 5 taken along line A-A';
FIG. 7 is a schematic view of the plan view of FIG. 5 taken along line B-B';
FIG. 8 is a schematic view of the plan view of FIG. 5 taken along line A-A';
fig. 9 is a schematic view illustrating an assembly of a first viewing angle glue dropping frame and a back plate in a backlight module according to a second embodiment of the present invention;
fig. 10 is a schematic view illustrating an assembly of a second viewing angle sealant frame and a back plate in a backlight module according to a second embodiment of the present invention;
fig. 11 is a schematic view of a planar structure of a backlight module according to a second embodiment of the present invention after a rubber frame and a back plate are assembled;
FIG. 12 is a schematic view of the plan view of FIG. 11 taken along line C-C' in one manner;
FIG. 13 is a schematic view of the planar structure of FIG. 11 taken along line C-C' in another manner;
the drawings are numbered as follows:
10-a backlight module;
20-glue frame;
201-a first border; 2011-first support; 2012-a first carrier;
202-a second bezel; 2021-a second support; 2022-a second carrier part;
30-a back plate;
301-a base plate; 302-a side wall; 303-a cross arm;
40-a catch; 401 — a first capture block; 402-connecting piece;
50-hook; 501-a second clamping block; 502-a connecting strip;
601-a first groove; 602-a second groove;
701-buckling; 702-a snap groove; 703-an extension;
80-notch; 90-a first chute; 100-a containing space;
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description will be given, with reference to the accompanying drawings and preferred embodiments, to the specific embodiments, structures, features and operating principles of the packaging device according to the present invention.
First embodiment
Fig. 3 is a schematic view illustrating an exploded structure of a rubber frame and a back plate of a backlight module according to a first embodiment of the present invention; fig. 4 is a schematic structural view of a first frame and a second frame of a backlight module according to a first embodiment of the present invention; fig. 5 is a schematic structural view illustrating an assembled middle rubber frame and a back plate of a backlight module according to a first embodiment of the present invention; with reference to fig. 3-5, in the backlight module 10 provided in the first embodiment of the present invention, including gluing frame 20, backplate 30 and optics diaphragm (not shown in the figure), specifically, the utility model discloses the optics diaphragm that relates to all adopts the same conventional setting with prior art, the utility model discloses do not specifically describe here, backplate 30 includes bottom plate 301 and a plurality of lateral wall 302, and bottom plate 301 and a plurality of lateral wall 302 form accommodation space 100, and optics diaphragm holds in accommodation space 100.
Specifically, the rubber frame 20 further includes a plurality of first frames 201 and a plurality of second frames 202 adjacent to the first frames 201, and the first frames 201 and the second frames 202 are located in the accommodating space 100 and are disposed close to the side wall 302; the two ends of the first frame 201 are provided with the clamping parts 40, the second frame 202 is provided with the clamping hooks 50, and the clamping hooks 50 of the second frame 202 are buckled with the clamping parts 40 of the adjacent first frame 201, so that the first frame 201 and the second frame 202 are connected in a nested manner.
In this embodiment, the first frame 201 further includes a first supporting portion 2011 and a first carrying portion 2012, and the holding portions 40 are disposed at two ends of the first carrying portion 2012; the second frame 202 further includes a second supporting portion 2021 and a second carrying portion 2022, and the hooks 50 are disposed at two ends of the second carrying portion 2022.
Further, the holding portion 40 includes a first holding block 401 and a connecting piece 402, the connecting piece 402 is fixedly connected to two ends of the first frame 201, and the first holding block 401 is located on the connecting piece 402 and forms a first groove 601 with the first frame 201.
Further, the hook 50 includes a second clamping block 501 and a connecting bar 502, one end of the connecting bar 502 is connected with the second frame 202, the other end is connected with the second clamping block 501, and the second clamping block 501, the connecting bar 402 and the second frame 202 form a second groove 602; the connecting bar 502 and the second holding block 501 are held in the first groove 601, and the first holding block 401 is held in the second groove 602, so as to fix the first frame 201 and the second frame 202 in the horizontal direction.
FIG. 7 is a schematic view of the sectional plane structure of FIG. 5 taken along the line B-B ', and FIG. 8 is a schematic view of the sectional plane structure of FIG. 5 taken along the line A-A'; with reference to fig. 7-8 and fig. 3-4, in the embodiment of the present invention, the width of the connecting strip 502 is the same as the distance from the first clamping block 401 to the first frame 201, in order to better hold the first clamping block 401 in the second groove 602, the utility model discloses in first clamping block 401 is located the connecting piece 402 and is close to the second frame one side, and the first clamping block 401 is flush with the surface of the first bearing part 2012.
Illustratively, a plurality of fasteners 701 are disposed on one side of at least one of the first frame 201 and the second frame 202 close to the bottom plate 30, a plurality of engaging grooves 702 are disposed at a connection position of the side wall 302 and the bottom plate 301, and the fasteners 701 extend into the engaging grooves 702, so that the first frame 201 and/or the second frame 202 are connected to the back plate 30 in a nested manner.
Specifically, the buckle 701 further includes an extension portion 703, the extension portion 703 and the first support portion 2011 or the second support portion 2021 form the buckle 701, one end of the extension portion 703 is connected to the first support portion 2011 and/or one end of the extension portion 703 is connected to the second support portion 2021, and the other end of the extension portion 703 extends into the engaging groove 702, so that the first frame 201 and the second frame 202 are kept fixed in the vertical direction.
Fig. 6 is a schematic view of the three-dimensional structure of fig. 5 taken along the line a-a', referring to fig. 6, as a preferred embodiment of the present invention, a notch 80 is disposed in a region of the first frame 201 and/or the second frame 202 near the buckle 701, and the notch 80 is advantageous for extending the buckle 701 into the engaging groove 702, so that the first frame 201 and/or the second frame 202 is connected to the back plate 30 in a nested manner.
In the backlight module provided by this embodiment, the back plate 30 and the rubber frame 20 do not need to be bonded by an adhesive tape during assembly, or the side wall of the back plate 30 is fixed in a manner of bending the back plate backwards, so that the thickness of the adhesive layer of the adhesive tape is eliminated, and therefore, the module frame is thicker by fixing the rubber frame 20 and the back plate 30 in a manner of fastening the fastening portions 40, and therefore, the above embodiment conforms to the development trend of the narrow frame of the backlight module 10.
Second embodiment
FIG. 9 is a schematic view illustrating an assembly of a first viewing angle sealant ring and a back plate in a backlight module according to a second embodiment of the present invention, fig. 10 is a schematic view illustrating an assembly of a second viewing angle sealant ring and a back plate in a backlight module according to a second embodiment of the present invention, which is different from the first embodiment in that a first sliding groove 90 is formed in a first frame 201 and/or a second frame 202 of the backlight module provided in this embodiment, in addition, the back plate 30 further includes a cross arm 303, one end of the cross arm 303 is connected to the side wall 302, the other end of the cross arm 303 extends into the first sliding slot 90, one end of the cross arm 303 is more easily connected to the side wall 302, the other end of the cross arm 303 extends into the first sliding slot 90, and preferably, in the embodiment of the present invention, in order to make one end of the cross arm 303 easier to connect with the side wall 302 and the other end of the cross arm 303 extends into the first sliding groove 90, the included angle between the cross arm 303 and the side wall 302 is set to 45-90 °.
To further illustrate the structure and function of the backlight module provided by the present invention, fig. 11-13 illustrate the structure of the backlight module in detail, wherein fig. 11 is a schematic view of a planar structure of a backlight module after assembling a rubber frame and a back plate provided by a second embodiment of the present invention, and fig. 12 is a schematic view of a planar structure cut along a C-C' line in fig. 11; FIG. 13 is a schematic view of the planar structure of FIG. 11 taken along line C-C' in another manner; in the backlight module provided in this embodiment, the first sliding slot 90 is disposed on the first frame 201 and/or the second frame 202, and the back plate 30 further includes a cross arm 303.
In fig. 12, one end of the cross arm 303 is connected to the side wall 302, the other end of the cross arm 303 extends into the first sliding groove 90, one end of the cross arm 303 is more easily connected to the side wall 302, and the other end of the cross arm 303 extends into the first sliding groove 90.
In fig. 13, the cross arm 303 is connected to the side wall 302 at one end and extends into the first sliding groove 90 at the other end, the cross arm 303 is more easily connected to the side wall 302 at one end and extends into the first sliding groove 90 at the other end, and in the present embodiment, the angle between the cross arm 303 and the side wall 302 is set to 90 ° as an example.
It should be noted that, in the second embodiment of the present invention, since the first frame 201 and/or the second frame 202 of the backlight module provided in this embodiment are/is provided with the first sliding slot 90, that is, the frame 30 and the backboard 20 are fixed in a drawing manner, the present invention does not provide the buckle 701 and the engaging groove 702.
It can be understood that the shape and position provided by the present invention can be selected according to the specific design requirement of the backlight module, and the embodiment does not specifically limit this. The specific structure of the Display panel is not limited in this embodiment, and the Display panel may be a Liquid Crystal Display panel (TFT-LCD), an Organic Light-Emitting Display panel (OLED), an Electronic Paper Display (EPD), or other types of Display panels, which are not described herein in detail.
Through the utility model provides a backlight unit with can realize narrow frame effect, the stability of reinforcing equipment effect reduces the space thickness that backlight unit frame occupy to play the purpose that is favorable to the development of the narrow frame of display device.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed in the preferred embodiment, it is not intended to limit the present invention, and any simple modification, equivalent change and modification made by those skilled in the art according to the technical spirit of the present invention will still fall within the scope of the technical solution of the present invention.
Claims (10)
1. A backlight module comprises a rubber frame, a back plate and an optical diaphragm, wherein the back plate comprises a bottom plate and a plurality of side walls, the bottom plate and the side walls form an accommodating space, and the optical diaphragm is accommodated in the accommodating space; the two ends of the first frame are provided with clamping parts, the second frame is provided with a clamping hook, and the clamping hook of the second frame is buckled with the clamping part of the adjacent first frame, so that the first frame and the second frame are connected in a nested manner.
2. The backlight module as claimed in claim 1, wherein the first frame further comprises a first supporting portion and a first carrying portion, the engaging portions are disposed at two ends of the first carrying portion; the second frame further comprises a second supporting part and a second bearing part, and the clamping hooks are arranged at two ends of the second bearing part.
3. The backlight module as claimed in claim 1, wherein the holding portion comprises a first holding block and a connecting plate, the connecting plate is fixedly connected to two ends of the first frame, and the first holding block is located on the connecting plate and forms a first groove with the first frame.
4. The backlight module as claimed in claim 3, wherein the hook comprises a second holding block and a connecting bar, one end of the connecting bar is connected to the second frame, the other end of the connecting bar is connected to the second holding block, and the second holding block, the connecting bar and the second frame form a second groove; the connecting strip and the second clamping block are clamped in the first groove, and the first clamping block is clamped in the second groove.
5. The backlight module as claimed in claim 4, wherein the width of the connecting bar is the same as the distance from the first holding block to the first bezel.
6. The backlight module as claimed in claim 2, wherein a plurality of fasteners are disposed on a side of at least one of the first frame and the second frame adjacent to the bottom plate, a plurality of engaging slots are disposed at a connection portion of the side wall and the bottom plate, and the fasteners extend into the engaging slots, so that the first frame and/or the second frame are connected to the back plate in a nested manner.
7. The backlight module as claimed in claim 6, wherein the clip further comprises an extension portion, the extension portion and the first support portion or the second support portion form the clip, one end of the extension portion is connected to the first support portion and/or one end of the extension portion is connected to the second support portion, and the other end of the extension portion extends into the engaging groove.
8. The backlight module as claimed in claim 6, wherein a notch is formed in a region of the first frame and/or the second frame adjacent to the clip.
9. The backlight module according to claim 1, wherein the first frame and/or the second frame has a first sliding slot, and the back plate further comprises a cross arm, one end of the cross arm is connected to the sidewall, and the other end of the cross arm extends into the first sliding slot.
10. The backlight module as claimed in claim 9, wherein the angle between the cross arm and the side wall is 45-90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922464786.3U CN211554571U (en) | 2019-12-31 | 2019-12-31 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922464786.3U CN211554571U (en) | 2019-12-31 | 2019-12-31 | Backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211554571U true CN211554571U (en) | 2020-09-22 |
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ID=72512276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922464786.3U Active CN211554571U (en) | 2019-12-31 | 2019-12-31 | Backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211554571U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113900302A (en) * | 2021-09-30 | 2022-01-07 | 天马微电子股份有限公司 | Backlight module and display device |
| WO2023206080A1 (en) * | 2022-04-26 | 2023-11-02 | 京东方科技集团股份有限公司 | Backlight module and display module |
-
2019
- 2019-12-31 CN CN201922464786.3U patent/CN211554571U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113900302A (en) * | 2021-09-30 | 2022-01-07 | 天马微电子股份有限公司 | Backlight module and display device |
| CN113900302B (en) * | 2021-09-30 | 2023-10-24 | 天马微电子股份有限公司 | Backlight module and display device |
| WO2023206080A1 (en) * | 2022-04-26 | 2023-11-02 | 京东方科技集团股份有限公司 | Backlight module and display module |
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