CN211956947U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN211956947U CN211956947U CN202020640922.XU CN202020640922U CN211956947U CN 211956947 U CN211956947 U CN 211956947U CN 202020640922 U CN202020640922 U CN 202020640922U CN 211956947 U CN211956947 U CN 211956947U
- Authority
- CN
- China
- Prior art keywords
- elastic positioning
- diffuser plate
- backlight module
- plate
- aluminum strip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a backlight module and display device, including the backplate, fixed diffuser plate and a plurality of fixed setting that set up on the backplate are in elastic positioning element on the backplate, be provided with on the diffuser plate with the corresponding draw-in groove of elastic positioning element, elastic positioning element is located in the draw-in groove and with the clearance has between the inner wall of draw-in groove. The utility model discloses a set up the installation of elastic positioning element to the diffuser plate and fix a position to when receiving the impact, the diffuser plate strikes elastic positioning element, prevents that the diffuser plate from carrying out rigid collision, avoided splitting open of diffuser plate, through the diffuser plate with set up the clearance between the inner wall of draw-in groove, prevent that elastic positioning element from causing the extrusion to the diffuser plate, avoid making the diffuser plate warp and skew fixed mounted position.
Description
Technical Field
The utility model relates to a display device field especially relates to a backlight module and display device.
Background
At present, the fixed mode of backlight unit's diffuser plate is fix with screw or fix with rivet, sets up through-hole or notch in the edge of diffuser plate promptly, and fix on the backplate after screw or rivet pass the through-hole, realizes the fixed to the diffuser plate, has following problem: the diffusion plate is made of PS or PC plastic and has the characteristic of hard brittleness, the diffusion plate is limited by using rivets or screws, when the diffusion plate is impacted, the diffusion plate can impact the screws or the nails, because the screws or the screws are in point contact with the diffusion plate, the impact force on the diffusion plate can be concentrated on the points in contact with the screws or the rivets, the stress of the diffusion plate is concentrated, the local impact force is overlarge, and the diffusion plate can be directly damaged.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
To prior art defect, the utility model provides a backlight unit and display device fixes a position the installation of diffuser plate through setting up elastic positioning element to when receiving the impact, the diffuser plate strikes elastic positioning element, prevents that the diffuser plate from carrying out rigid collision, has avoided the damage of diffuser plate, through the diffuser plate with set up the clearance between the inner wall of draw-in groove, prevent that elastic positioning element from causing the extrusion to the diffuser plate, avoid making the diffuser plate warp and skew fixed mounted position.
The utility model provides a technical scheme that technical problem adopted as follows:
a backlight module comprises a back plate, a diffusion plate fixedly arranged on the back plate and a plurality of elastic positioning pieces fixedly arranged on the back plate, wherein clamping grooves corresponding to the elastic positioning pieces are formed in the diffusion plate, and the elastic positioning pieces are positioned in the clamping grooves and have gaps with the inner walls of the clamping grooves.
Furthermore, the backboard comprises an aluminum strip located on one side of the backboard facing the ground, the elastic positioning piece is fixedly arranged on the aluminum strip, and the elastic positioning piece and the diffusion plate are fixedly arranged on the aluminum strip.
Furthermore, a fastening stud is fixedly connected to the aluminum strip, and the elastic positioning piece is fixedly connected to the fastening stud.
Furthermore, the fastening stud comprises a threaded portion and a positioning column at the front end, the threaded portion is fixedly connected with the aluminum strip through threads, a through hole is formed in the elastic positioning piece, and the positioning column is clamped in the through hole.
Furthermore, one surface of the aluminum strip facing the diffusion plate is provided with a positioning sinking groove, and the elastic positioning piece is positioned in the positioning sinking groove.
Further, one side of the aluminum strip is provided with a flange, and the diffusion plate is abutted against the flange.
Furthermore, one surface of the aluminum strip, facing the diffusion plate, is provided with an adhesive piece, and the diffusion plate is adhered to the aluminum strip through the adhesive piece.
Furthermore, the diffusion plate further comprises a middle frame, wherein an installation groove is formed in the middle frame, and the side edge of the diffusion plate is clamped and embedded in the installation groove.
Furthermore, the backlight source and the reflecting sheet are further included, the reflecting sheet is arranged between the back plate and the diffusion plate, and the backlight source is arranged on the reflecting sheet.
A display device comprises a display panel and the backlight module.
The utility model provides a backlight module and display device, wherein the fixed elastic positioning element that sets up on the backplate sets up the draw-in groove on the diffuser plate, and the diffuser plate makes the draw-in groove cover establish on elastic positioning element in the installation to the realization is fixed a position the installation of diffuser plate, and when the backplate is receiving the impact, the diffuser plate receives the impact and the shift position strikes elastic positioning element, thereby prevents that the diffuser plate from carrying out rigid collision and damaging with set screw or rivet in original structure, through the diffuser plate with set up the clearance between the inner wall of draw-in groove, prevent that elastic positioning element from causing the extrusion to the diffuser plate after the installation, thereby avoid elastic positioning element's extrusion to make the diffuser plate warp and make the skew of original diffuser plate.
Drawings
Fig. 1 is a front view of an embodiment of a backlight module according to the present invention;
fig. 2 is a schematic partial structure diagram of a backlight module according to an embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is an exploded view of the substructure of an embodiment of a backlight module according to the present invention;
fig. 5 is a cross-sectional view of an embodiment of a backlight module according to the present invention in an upper structure.
In the figure, 100, aluminum strips; 111. a threaded hole; 112. positioning the sink tank; 113. blocking edges; 120. fastening a stud; 121. a positioning column; 130. an adhesive member; 200. a diffusion plate; 210. a card slot; 300. an elastic positioning member; 310. a gap; 320. a through hole; 400. a middle frame; 410. and (4) mounting the groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, for convenience of description, the direction in which the display device is placed in use is taken as a reference, the side facing a user is a front side, the side opposite to the front side is a rear side, the side facing the ground in the vertical direction is a lower side (ground side), the side far away from the ground is an upper side (sky side), and the directions of the other two sides are left and right directions. The backlight module comprises a back plate, the back plate is arranged along a vertical direction, a diffusion plate 200 is fixed on the back plate, as shown in fig. 2 and 3, a plurality of clamping grooves 210 are formed in the lower edge of the diffusion plate 200, a plurality of elastic positioning pieces 300 are fixedly arranged on the back plate, the elastic positioning pieces 300 are arranged corresponding to the clamping grooves 210, and when the diffusion plate 200 is installed, the elastic positioning pieces 300 are located in the clamping grooves 210 and gaps 310 are formed between the inner walls of the clamping grooves 210. The elastic positioning member 300 in this embodiment is a silica gel sleeve made of a silica gel material, the silica gel material is a harder material in the elastic material and is softer than a metal screw or rivet, when the diffusion plate 200 impacts the elastic positioning member 300 due to impact force, the elastic positioning member 300 made of the silica gel material can provide sufficient buffering capacity, and it is easy to meet that the elastic positioning member 300 can also be made of other non-metal materials with certain hardness. The elastic positioning member 300 in this embodiment has a structure with a rectangular front end surface, and the structure with a rectangular front end surface is used to extend the elastic positioning member 300 in the left-right direction without affecting the visual effect of the display area of the product. Under the condition that the space of the product display area is enough, the elastic positioning piece with the square or round structure at the front end surface can also be adopted, so that the thickness of the elastic positioning piece 300 along the up-down direction is enough, and the elastic positioning piece 300 can provide enough buffering capacity. The diffusion plate 200 enables the clamping groove 210 to be sleeved on the elastic positioning piece 300 in the installation process, so that the installation of the diffusion plate 200 is positioned, when the backboard is impacted, if display equipment drops in the carrying process, the diffusion plate 200 is impacted, the moving position of the diffusion plate 200 impacts the elastic positioning piece 300, the diffusion plate 200 is prevented from being cracked due to hard collision with positioning screws or rivets in the original structure, a gap 310 is formed between the diffusion plate 200 and the inner wall of the clamping groove 210, the length of the gap 310 is usually set to be 0.5mm-1mm, the elastic positioning piece 300 can be prevented from extruding the diffusion plate 200 after installation, the diffusion plate 200 is prevented from being deformed due to the extrusion of the elastic positioning piece 300, the original position deviation of the diffusion plate 200 is avoided, and the damage to the diffusion plate 200 is reduced.
As shown in fig. 3 and 4, the specific structure of this embodiment is that the back plate includes an aluminum strip 100 located on one side (lower side) of the back plate facing the ground, the aluminum strip 100 extends along the left-right direction, the elastic positioning element 300 is fixedly disposed on the aluminum strip 100, and the diffusion plate 200 is fixedly disposed on the aluminum strip 100. The arrangement of the aluminum strips 100 can reduce the structure of the integrated forming in the back plate, and the back plate is convenient to manufacture. Elastic positioning element 300 with aluminium strip 100's concrete connection structure does, threaded hole 111 has been seted up on the aluminium strip 100, threaded hole 111 internal screw connection has fastening stud 120, fastening stud 120 sets up along the fore-and-aft direction, fastening stud 120 includes screw thread portion and the unthreaded reference column 121 that is located the front end, and fastening stud 120 realizes threaded connection through screw thread portion and screw hole 111 to with aluminium strip 100 fixed connection, through-hole 320 has been seted up on elastic positioning element 300, fastening stud 120's front end reference column inlay card is connected in the through-hole 320, realize elastic positioning element 300 like this with aluminium strip's is fixed. The front end surface of the elastic positioning piece 300 is lower than the front end surface of the diffusion plate 200, or the front end surface of the elastic positioning piece 300 is flush with the front end surface of the diffusion plate 200; the front end surface of the fastening stud 120 is lower than the front end surface of the elastic positioning piece 300, or the front end surface of the fastening stud 120 is flush with the front end surface of the elastic positioning piece 300; therefore, interference is not generated on the installation of other optical films of the display equipment, and the assembly and the manufacture of the display equipment are convenient.
In order to facilitate the installation of the elastic positioning element 300, a positioning sinking groove 112 is formed on a surface (front surface) of the aluminum strip 100 facing the diffusion plate 200, and the elastic positioning element 300 is located in the positioning sinking groove 112. When the elastic positioning element 300 is connected with the aluminum strip 100, the elastic positioning element 300 is directly placed in the positioning sinking groove 112, the fastening stud 120 is screwed on the aluminum strip 100, and the positioning post 121 at the front end of the fastening stud 120 is clamped and embedded in the through hole 320 of the elastic positioning element 300, so that the elastic positioning element 300 is accurately and quickly installed.
As shown in fig. 3, a rib 113 is disposed on one side (lower side) of the aluminum strip 100 facing the ground, the rib 113 extends in the left-right direction, an end surface (lower end surface) of the diffusion plate 200 facing the ground abuts against the rib 113, and the lower end surface of the diffusion plate 200 is limited by the rib 113. Since the ribs 113 extending in the left-right direction have a large contact surface with the diffuser plate 200, when the diffuser plate 200 is subjected to an impact due to a drop, the impact is dispersed to the contact surface of the ribs 113, and breakage of the diffuser plate 200 is not easily caused.
As shown in fig. 4, an adhesive member 130 is provided on a surface (front surface) of the aluminum strip 100 facing the diffusion plate 200, and the diffusion plate 200 is adhered to the aluminum strip 100 by the adhesive member 130. Three sections of adhesive members 130 are disposed on the aluminum strip 100 in the up-down direction, so that the diffusion plate 200 is stably fixed. The adhesive member 130 in this embodiment is a double-sided tape.
As shown in fig. 5, the backlight module further includes a middle frame 400, the middle frame 400 is fixedly connected to the back plate, and the other sides of the diffusion plate 200 except the lower side are limited by the middle frame 400, specifically, a mounting groove 410 is provided on the middle frame 400, an opening of the mounting groove 410 faces the diffusion plate 200, and the left side, the right side and the upper side of the diffusion plate 200 are respectively inserted into the mounting groove 410. Thereby it is spacing that the left side, the right side and the last side that make diffuser plate 200 pass through mounting groove 410, and draw-in groove 210 in this embodiment sets up to 2, 2 draw-in groove 210 is located the left and right sides of diffuser plate 200 respectively, and elastic positioning spare 300 in the draw-in groove through the left and right sides carries on spacingly to the lower side of diffuser plate 200, and the lower side is spacing through flange 113 simultaneously, realizes spacingly to four sides of diffuser plate 200.
The backlight module further comprises a backlight source and a reflector plate, the reflector plate is arranged between the back plate and the diffusion plate, and the lamp tube is arranged on the reflector plate.
The embodiment further comprises a display device, wherein the display device comprises a display panel and the backlight module.
To sum up, the utility model provides a backlight module and display device, wherein the fixed elastic positioning element that sets up on the backplate sets up the draw-in groove on the diffuser plate, and the diffuser plate makes the draw-in groove cover establish on elastic positioning element in the installation to the realization is fixed a position the installation of diffuser plate, when the backplate is receiving the impact, the diffuser plate receives the impact and the shift position strikes elastic positioning element, thereby prevents that the diffuser plate from carrying out rigid collision and damaging with set screw or rivet in original structure, through the diffuser plate with set up the clearance between the inner wall of draw-in groove, prevent that elastic positioning element from causing the extrusion to the diffuser plate after the installation, thereby avoid elastic positioning element's extrusion to make the diffuser plate warp and make the original offset of diffuser plate.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. A backlight module is characterized by comprising a back plate, a diffusion plate fixedly arranged on the back plate and a plurality of elastic positioning pieces fixedly arranged on the back plate, wherein clamping grooves corresponding to the elastic positioning pieces are formed in the diffusion plate, and the elastic positioning pieces are positioned in the clamping grooves and have gaps with the inner walls of the clamping grooves.
2. The backlight module as claimed in claim 1, wherein the back plate comprises an aluminum strip, and the elastic positioning element and the diffusion plate are fixedly disposed on the aluminum strip.
3. The backlight module as claimed in claim 2, wherein the aluminum strip is fixedly connected with a fastening stud, and the elastic positioning member is fixedly connected to the fastening stud.
4. The backlight module as claimed in claim 3, wherein the fastening stud comprises a threaded portion and a positioning post at a front end, the threaded portion is fixedly connected to the aluminum strip through a thread, the elastic positioning member is provided with a through hole, and the positioning post is engaged with the through hole.
5. The backlight module as claimed in claim 2, wherein a positioning groove is formed in a surface of the aluminum strip facing the diffuser plate, and the elastic positioning member is disposed in the positioning groove.
6. A backlight module according to claim 2, wherein one side of the aluminum strip is provided with a rib, and the diffuser plate abuts against the rib.
7. The backlight module as claimed in claim 2, wherein an adhesive member is disposed on a surface of the aluminum strip facing the diffuser plate, and the diffuser plate is adhered to the aluminum strip via the adhesive member.
8. The backlight module as claimed in claim 1, further comprising a middle frame, wherein the middle frame is provided with a mounting groove, and the diffusion plate is inserted into the mounting groove.
9. The backlight module as claimed in claim 1, further comprising a backlight source and a reflective sheet, wherein the reflective sheet is disposed between the back plate and the diffuser plate, and the backlight source is disposed on the reflective sheet.
10. A display device comprising a display panel and the backlight module of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020640922.XU CN211956947U (en) | 2020-04-24 | 2020-04-24 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020640922.XU CN211956947U (en) | 2020-04-24 | 2020-04-24 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211956947U true CN211956947U (en) | 2020-11-17 |
Family
ID=73162966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020640922.XU Active CN211956947U (en) | 2020-04-24 | 2020-04-24 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211956947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024104175A1 (en) * | 2022-11-15 | 2024-05-23 | 华为技术有限公司 | Display screen and electronic device |
-
2020
- 2020-04-24 CN CN202020640922.XU patent/CN211956947U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024104175A1 (en) * | 2022-11-15 | 2024-05-23 | 华为技术有限公司 | Display screen and electronic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7626654B2 (en) | Display device | |
| US7545628B2 (en) | Display panel and display device | |
| US7675584B2 (en) | Housing structure with frame and bezel for a display module having protrusion/s at lower portion of bezel to create upward displacement of the front-surface portion of bezel covering the display module when fastened to frame | |
| KR20050033669A (en) | Backlight assembly for lcd | |
| KR102237372B1 (en) | Connection Holder and Display Device having the same | |
| US9897749B2 (en) | Display device and backlight module thereof | |
| JP2011216274A (en) | Backlight unit and liquid crystal display device including the same | |
| GB2534822A (en) | Installation structure of liquid crystal display device | |
| CN107422518B (en) | Infrared touch liquid crystal integrated screen display module | |
| US20170099452A1 (en) | Display and Television Set | |
| US9250377B2 (en) | Light guide plate and backlight module and display module using the same | |
| CN211956947U (en) | Backlight module and display device | |
| US20160091659A1 (en) | Backlight, liquid crystal module and display device | |
| US9851493B2 (en) | Backlight device and display apparatus | |
| US7382423B2 (en) | Liquid crystal display device and backlight module thereof comprising a spacer for supporting the optical film set | |
| US20130250203A1 (en) | Backlight module structure and liquid crystal display device using the same | |
| WO2018201311A1 (en) | Backlight module and display device | |
| CN108717240B (en) | Frameless liquid crystal display module and liquid crystal display | |
| US7025489B2 (en) | Assembling frame for back light modules | |
| EP2728401B1 (en) | Display module and display apparatus having the same | |
| US20140139778A1 (en) | Middle Frame and Liquid Crystal Display Device | |
| US7258478B2 (en) | Backlight module | |
| US20170192149A1 (en) | Light guide substrate, backlight module and display device | |
| WO2018090732A1 (en) | Heat dissipation plate mounting structure of interactive intelligent panel, and interactive intelligent panel | |
| US20200341324A1 (en) | Display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |