CN210803929U

CN210803929U - Display back plate with multi-stage bosses

Info

Publication number: CN210803929U
Application number: CN201921977437.5U
Authority: CN
Inventors: 白雷
Original assignee: Taiyang Optoelectronics Technology Huizhou Co ltd
Current assignee: Taiyang Optoelectronics Technology Huizhou Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-06-19
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses a display backboard with multi-stage bosses, which comprises a backboard, a first boss and a second boss; the manufacturing method comprises the steps of firstly forming a punching cavity on a heat dissipation lug in a punching mode, then overturning a back plate body to the opposite surface of the plane where the heat dissipation lug is located, punching a first boss in the punching mode again, forming a punching part on the periphery of the first boss, and finally punching holes in the first boss in the punching mode, namely avoiding holes. By adopting the mode, the side wall of the convex hull is prevented from being thinned due to continuous stamping under the condition that the back plate is malleable, so that the problem that the convex hull is easy to crack or dent when the convex hull is punched is avoided, and the defective rate is reduced; through setting up heat conduction sand grip, first heat conduction groove, second heat conduction groove and a plurality of heat dissipation lug, can make backlight unit can distribute away the heat to the backplate body in each position, by the backplate body, improve the radiating efficiency, avoid the backlight unit heat to hoard.

Description

Display back plate with multi-stage bosses

Technical Field

The utility model relates to a backplate technical field especially relates to a display backplate with multistage boss.

Background

Currently, the backlight module is one of the key components of the lcd panel. The function is to provide sufficient brightness and light source with uniform distribution, so that the image can be displayed normally. The backlight is a light source that provides the LCD panel. Mainly comprises a light source, a light guide plate, an optical film, a plastic frame and the like. The backlight source has the characteristics of high brightness, long service life, uniform light emission and the like. At present, there are three types of backlight sources, i.e., EL, CCFL and LED, which are classified into edge type and direct type according to the distribution position of the light source. As LCD modules are continuously developed to be brighter, lighter and thinner, the edge-lit CCFL backlight becomes the mainstream of backlight development, and the back plate is used to provide support for the backlight module.

However, in the stamping process of the multi-level convex hulls on the back plate at the present stage, the multi-level convex hulls are formed in a continuous stamping mode, but because the back plate has certain ductility, the side walls of the convex hulls become thin due to continuous stamping, the convex hulls are easy to break or dent when the convex hulls are punched, so that the parts cannot be mounted, and the defective rate is improved; meanwhile, the back plate structure at the present stage is used for mounting the backlight module, but the heat dissipation effect of the back plate is low, the heat dissipation efficiency is slow, and the heat of the backlight module is easy to accumulate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, provide a can prevent that multistage convex closure from breaking and can improve the radiating efficiency's of backplate display backplate that has multistage boss.

The purpose of the utility model is realized through the following technical scheme:

a display backplane having multi-stage bosses, comprising: the back plate, the first boss and the second boss are arranged, the first boss is arranged on the second boss, and the second boss is arranged on the back plate;

the backboard comprises a backboard body, a heat conduction convex strip and a plurality of heat dissipation convex blocks, wherein the heat dissipation convex blocks are arranged on the backboard body at intervals respectively, the heat conduction convex strip is arranged on the backboard body, a punching cavity is formed in one heat dissipation convex block, the second boss is arranged on the backboard body, all punching parts are arranged on the second boss, the punching parts are connected with the first boss, a position avoiding hole is formed in the first boss and communicated with the punching cavity, a first heat conduction groove and a second heat conduction groove are formed in the backboard body, and the first heat conduction groove and the second heat conduction groove are axially symmetrically arranged with the central axis of the heat conduction convex strip respectively.

In one embodiment, a first arc-shaped inclined plane part is arranged on the first boss.

In one embodiment, the back plate body is further provided with a plurality of holding grooves, and a space is respectively arranged between the holding grooves.

In one embodiment, a second arc-shaped inclined plane part is arranged on the second boss.

In one embodiment, the backboard further comprises a fastening frame, and the fastening frame is arranged on the backboard body.

In one embodiment, a plurality of threaded holes are formed in the fastening frame, and a gap is formed between each threaded hole.

In one embodiment, the fastening frame further comprises a fastening assembly, the fastening assembly comprises a plurality of clamping blocks, and the clamping blocks are arranged on the fastening frame at intervals respectively.

In one embodiment, the fastening assembly further includes a plurality of supporting pieces, and each supporting piece is disposed on the back plate body at intervals.

In one embodiment, the backboard comprises a backboard body and a supporting strip, wherein the supporting strip is arranged on the backboard body.

In one embodiment, the back plate further comprises a plurality of reinforcing ribs, and the reinforcing ribs are respectively arranged on the back plate body at intervals.

The utility model discloses compare in prior art's advantage and beneficial effect as follows:

the utility model relates to a display backplate with multistage boss at first forms die-cut chamber through the mode of punching press on the heat dissipation lug, then with backplate body upset to the planar opposite face in heat dissipation lug place, once more through the die-cut first boss of mode of punching press, at first boss form punching press portion all around, punch on first boss through die-cut mode at last again, keep away a hole promptly. By adopting the mode, the side wall of the convex hull is prevented from being thinned due to continuous stamping under the condition that the back plate is malleable, so that the problem that the convex hull is easy to crack or dent when the convex hull is punched is avoided, and the defective rate is reduced; simultaneously, through setting up heat conduction sand grip, first heat conduction groove, second heat conduction groove and a plurality of heat dissipation lug, can make backlight unit can distribute away the heat to the backplate body in each position, by the backplate body heat transfer, so, can improve the radiating effect and improve the radiating efficiency, avoid backlight unit heat to hoard.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a display backplane having multi-stage bosses according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the display backplane having multi-stage bosses shown in FIG. 1 at A;

FIG. 3 is a schematic view of another perspective view of the display backplane having multi-stage bosses shown in FIG. 1;

FIG. 4 is an enlarged schematic view of the display backplane having multi-stage bosses shown in FIG. 3 at B;

FIG. 5 is a schematic view of the display backplane with multi-stage bosses shown in FIG. 1;

FIG. 6 is an enlarged schematic view of the display backplane having multi-stage bosses shown in FIG. 5 at C;

fig. 7 is an enlarged schematic view of the display backplane with multi-stage bosses shown in fig. 3 at D.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In one embodiment, a display back plate with multi-stage bosses comprises a back plate, first bosses and second bosses, wherein the first bosses are arranged on the second bosses, and the second bosses are arranged on the back plate; the backboard comprises a backboard body, a heat conduction convex strip and a plurality of heat dissipation convex blocks, wherein the heat dissipation convex blocks are arranged on the backboard body at intervals respectively, the heat conduction convex strip is arranged on the backboard body, a punching cavity is formed in one heat dissipation convex block, the second boss is arranged on the backboard body, all punching parts are arranged on the second boss, the punching parts are connected with the first boss, a position avoiding hole is formed in the first boss and communicated with the punching cavity, a first heat conduction groove and a second heat conduction groove are formed in the backboard body, and the first heat conduction groove and the second heat conduction groove are axially symmetrically arranged with the central axis of the heat conduction convex strip respectively. So, at first form die-cut chamber through the mode of punching press on the heat dissipation lug, then overturn backplate body to the planar opposite face in heat dissipation lug place, through the die-cut first boss of mode of punching press once more, form punching press portion around first boss, punch on first boss through the mode of punching press again at last, avoid the hole promptly. By adopting the mode, the side wall of the convex hull is prevented from being thinned due to continuous stamping under the condition that the back plate is malleable, so that the problem that the convex hull is easy to crack or dent when the convex hull is punched is avoided, and the defective rate is reduced; simultaneously, through setting up heat conduction sand grip, first heat conduction groove, second heat conduction groove and a plurality of heat dissipation lug, can make backlight unit can distribute away the heat to the backplate body in each position, by the backplate body heat transfer, so, can improve the radiating effect and improve the radiating efficiency, avoid backlight unit heat to hoard.

The multi-stage projection display back panel is described in detail to better understand the concept of the multi-stage projection display back panel. Referring to fig. 1 and 2, a display backplate 10 with multiple stages of bosses includes a backplate 100, a first boss 200 and a second boss 300, wherein the first boss 200 is disposed on the second boss 300, and the second boss is disposed on the backplate 100.

Referring to fig. 1, the backplate 100 includes a backplate body 110, heat-conducting convex strips 120 and a plurality of heat-dissipating bumps 130, each heat-dissipating bump 130 is disposed on the backplate body 110 at an interval, the heat-conducting convex strips 120 are disposed on the backplate body 110, referring to fig. 3 and 4, in one heat-dissipating bump 130, a die-cut cavity 131 is formed on the heat-dissipating bump 130, referring to fig. 2 again, a second boss 300 is disposed on the backplate body 110, all stamping parts 310 are formed on the second boss 300, the stamping parts 310 are connected to the first boss 200, a clearance hole 210 is formed on the first boss 200, the clearance hole 210 is communicated with the die-cut cavity 131, referring to fig. 3 again, a first heat-conducting groove 111 and a second heat-conducting groove 112 are formed on the backplate body 110, and the first heat-conducting groove 111 and the second heat-conducting groove 112 are disposed in axial symmetry with a central axis of the heat.

It should be noted that, through a stamping die, firstly, stamping is performed on the plane where the heat dissipation bump 130 is located to form the stamping cavity 131 and the second boss 300, meanwhile, the back plate body 110 is turned over to the opposite surface of the plane where the heat dissipation bump 130 is located, then, stamping is performed on the surface of the second boss 300 to form the stamping part 310 and the first boss 200, the stamping part 310 is located on the peripheral edge of the first boss 200, and finally, the clearance hole 210 is stamped on the first boss 200, and the clearance hole 210 is used for locking a screw, by the above manner, under the condition of the ductility of the back plate 100, thinning of the side wall of the convex hull caused by continuous stamping can be avoided, so that the problem that the convex hull is easily broken or dented when the convex hull is punched is avoided, and the defective rate is reduced; furthermore, by arranging the first heat conduction grooves 111 and the second heat conduction grooves 112, the present application has 3 first heat conduction grooves 111 and 3 second heat conduction grooves 112, so that the heat dissipation area can be increased, and the 3 first heat conduction grooves 111 and the 3 second heat conduction grooves 112 are respectively located at two opposite sides of the back plate body 110, so as to dissipate heat at the side of the backlight module close to the back plate body 110; furthermore, by arranging the heat conducting raised strips 120 and the plurality of heat dissipation lugs 130, the heat conducting raised strips 120 are positioned at the top of the back plate body 110, and the plurality of heat dissipation lugs 130 are positioned at the middle position of the back plate body 110, the heat dissipation area can be increased by arranging the plurality of heat conducting raised strips 120 and the plurality of heat dissipation lugs 130, so that the heat dissipation efficiency is improved; in summary, by disposing the heat-conducting protruding strips 130, the first heat-conducting grooves 111, the second heat-conducting grooves 112 and the plurality of heat-dissipating bumps 130, the backlight module can transmit heat to the back plate body 110 in various directions, and the heat is dissipated from the back plate body 110, so that the heat dissipation effect and the heat dissipation efficiency can be improved, and the heat accumulation of the backlight module can be avoided.

Referring to fig. 2, in one embodiment, a first arc-shaped inclined surface portion 220 is disposed on the first boss 200. It should be noted that the angle formed between the first boss 200 and the second boss 300 can be increased by providing the first arc-shaped inclined surface portion 220, so that the mechanical strength of the first boss 200 is enhanced, and the first boss is not easy to fall off.

Referring to fig. 2, in one embodiment, a second arc-shaped inclined surface portion 320 is disposed on the second boss 300. It should be noted that the angle formed between the second boss 300 and the back plate body 110 can be increased by providing the second arc-shaped inclined surface portion 320, so that the mechanical strength of the second boss 320 is enhanced, and the second boss is not easy to fall off.

Referring to fig. 5 and 6, in one embodiment, the back plate body 110 further has a plurality of holding grooves 113, and a space is respectively disposed between the holding grooves 113. The plurality of holding grooves 113 facilitate the transportation of the backboard body 110 by the worker.

Referring to fig. 7, further, in an embodiment, the back plate 100 further includes a fastening frame 140, and the fastening frame 140 is disposed on the back plate body 110. Specifically, the fastening frame 140 has a plurality of screw holes 141, and a space is provided between each of the screw holes 141. It should be noted that the fastening frame 140 is used for mounting the backlight module, and the threaded hole 141 is used for locking the backlight module.

Referring to fig. 7, in an embodiment, the display back plate 10 with the multi-stage bosses further includes a fastening assembly 400, the fastening assembly 400 includes a plurality of clamping blocks 410, and the clamping blocks 410 are respectively disposed on the fastening frame 140 at intervals. Specifically, the fastening assembly 400 further includes a plurality of supporting pieces 420, and each supporting piece 420 is disposed on the back plate body 110 at an interval. It should be noted that the clamping block 410 and the supporting piece 420 are used for clamping with the display housing.

Referring to fig. 1 again, in one embodiment, the display back plate 10 with the multi-stage bosses further includes a supporting strip 500, and the supporting strip 500 is disposed on the back plate body 110. Specifically, the back plate 100 further includes a plurality of reinforcing ribs 150, and the reinforcing ribs 150 are respectively disposed on the back plate body 110 at intervals. It should be noted that the reinforcing ribs 150 and the supporting bars 500 are used to enhance the mechanical strength of the backboard body 110.

Compared with the prior art, the utility model has the advantages of it is following:

the display back plate 10 with the multistage bosses is characterized in that a punching cavity 131 is formed on the heat dissipation boss 130 in a punching mode, then the back plate body 110 is turned over to the opposite surface of the plane where the heat dissipation boss 130 is located, the first boss 200 is punched in a punching mode again, a punching portion 310 is formed around the first boss 200, and finally the first boss 200 is punched in a punching mode, namely the avoiding hole 210. By adopting the mode, the thinning of the side wall of the convex hull caused by continuous stamping can be avoided under the condition that the back plate 100 is malleable, so that the problem that the convex hull is easy to crack or dent when the convex hull is punched is avoided, and the defective rate is reduced; meanwhile, by arranging the heat-conducting convex strips 120, the first heat-conducting grooves 111, the second heat-conducting grooves 112 and the plurality of heat-dissipating bumps 130, the backlight module can transmit heat to the back plate body 110 in all directions, and the heat is dissipated by the back plate body 110, so that the heat-dissipating effect and the heat-dissipating efficiency can be improved, and the heat accumulation of the backlight module is avoided.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A display backplane having multi-stage bosses, comprising: the back plate, the first boss and the second boss are arranged, the first boss is arranged on the second boss, and the second boss is arranged on the back plate;

2. The display backplane having multi-stage bosses of claim 1, wherein the first boss has a first arcuate ramp portion disposed thereon.

3. The display backboard with the multistage bosses of claim 1, wherein the backboard body is further provided with a plurality of holding grooves, and a space is respectively arranged between the holding grooves.

4. The display backplane of claim 1, wherein a second arcuate ramp portion is disposed on the second boss.

5. The display backplate with multi-stage bosses of claim 1, wherein the backplate further comprises a fastening bezel disposed on the backplate body.

6. The display backboard with the multistage bosses of claim 5, wherein the fastening frame is provided with a plurality of threaded holes, and a space is respectively arranged between each threaded hole.

7. The display backplate with multi-stage bosses of claim 5, further comprising a snap-fit assembly, wherein the snap-fit assembly comprises a plurality of snap-fit blocks, and each of the snap-fit blocks is disposed on the fastening frame at intervals.

8. The display backplane with the multi-stage bosses of claim 7, wherein the fastening assembly further comprises a plurality of supporting pieces, and each supporting piece is arranged on the backplane body at intervals.

9. The display backplate with multi-stage bosses of claim 1, further comprising a support bar disposed on the backplate body.

10. The display back plate with the multistage bosses of claim 1, wherein the back plate further comprises a plurality of reinforcing ribs, and the reinforcing ribs are respectively arranged on the back plate body at intervals.