CN216211987U

CN216211987U - Glue frame, backlight unit and display device

Info

Publication number: CN216211987U
Application number: CN202122374618.2U
Authority: CN
Inventors: 杨祖根; 王道贤
Original assignee: Dongguan Yiguangxuan Electronic Technology Co ltd
Current assignee: Dongguan Yiguangxuan Electronic Technology Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-04-05
Anticipated expiration: 2031-09-28

Abstract

The utility model is suitable for the field of display equipment, and provides a rubber frame, a backlight module and a display device. Glue the frame and be applied to backlight unit, including gluing the frame body to and locate the elasticity joint spare on gluing the frame body, elasticity joint spare be arranged in with backlight unit in the light guide plate joint, elasticity joint spare with glue and be formed with the interval space that supplies elasticity joint spare to warp between the inside wall of frame body. The utility model also provides a backlight module using the rubber frame and a display device using the backlight module. According to the rubber frame, the backlight module and the display device, the elastic clamping piece is arranged on the rubber frame, and the rubber frame is provided with an interval space for the elastic clamping piece to bend and deform; through the bending of control elasticity joint spare, need not to prop big gluey frame and can realize gluing the joint or the separation of frame and light guide plate, reduced to gluing the frame and warp, the requirement and the assembly and the dismantlement degree of difficulty of resilience ability, can not cause any destruction and waste to materials such as gluey frame body and light guide plate.

Description

Glue frame, backlight unit and display device

Technical Field

The application belongs to the technical field of display equipment, and more specifically relates to a glue frame, backlight unit and display device.

Background

In the existing backlight module, the light guide plate and the rubber frame are assembled through a plurality of clamping structures. This joint structure is including connecting the joint piece on the light guide plate lateral wall to and set up the draw-in groove on gluing the frame inner wall, draw-in groove and joint piece looks adaptation. During assembly, the rubber frame is firstly unfolded by pressing the light guide plate, and after the clamping blocks on the light guide plate are clamped in place with the clamping grooves on the rubber frame, the rubber frame rebounds and recovers to complete assembly of the light guide plate and the rubber frame; when the light guide plate is detached, the rubber frame needs to be unfolded to a certain size, and the light guide plate can be taken out.

The assembling and disassembling method of the backlight module is characterized in that the rubber frame is deformed by external force, the size of the inner side wall of the rubber frame is expanded, and the assembling and disassembling of the light guide plate can be smoothly completed. If the intensity and the hardness of gluing the frame are bigger than normal, can lead to its deformation and resilience to recover the difficulty, and then has increaseed the light guide plate and has glued the assembly of frame and dismantle the degree of difficulty, still destroys easily and glues the frame structure. Therefore, it is urgently needed to develop a rubber frame, a backlight module and a display device which are easy to assemble and disassemble.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a glue frame, a backlight module and a display device, so as to solve the technical problems of difficult assembly and disassembly of the glue frame and a light guide plate in the prior art.

For realizing above-mentioned purpose, the aim at of this application provides a glue frame is applied to backlight unit, including gluing the frame body, and locate glue the elasticity joint spare on the frame body, elasticity joint spare be used for with light guide plate joint among the backlight unit, elasticity joint spare with be formed with the confession between the inside wall of gluing the frame body the interval space that elasticity joint spare warp.

In an optional embodiment, the cross section of the inner cavity of the rubber frame body is polygonal, and two elastic clamping pieces are arranged and are respectively arranged at the corners at two ends of the first side wall in the rubber frame body.

In an optional embodiment, the cross section of the inner cavity of the rubber frame body is rectangular, two symmetrically arranged clamping grooves are formed in a second side wall, opposite to the first side wall, of the rubber frame body, and the clamping grooves are used for being clamped with the light guide plate.

In an optional embodiment, the rubber frame body is provided with a mounting groove communicated with the inner cavity of the rubber frame body, and the elastic clamping piece is mounted on the bottom of the mounting groove and forms the spacing space with the side wall of the mounting groove.

In an optional embodiment, the elastic clamping piece comprises an elastic connecting plate which is vertically arranged and connected with the bottom of the mounting groove and a convex part arranged at the top of the elastic connecting plate, and one side of the convex part, which is close to the inner cavity of the rubber frame body, protrudes out of the side surface of the elastic connecting plate.

In an alternative embodiment, the top of the protrusion is formed with an obliquely arranged guide surface.

In an optional embodiment, the top surface of the elastic clamping piece is not higher than the top surface of the rubber frame body.

The application provides a gluey frame's beneficial effect lies in: compared with the prior art, improve on traditional extrusion formula assembly structure's basis, set up the elasticity joint spare on gluing the frame, and be formed with the interval space that supplies elasticity joint spare bending deformation between the lateral wall of elasticity joint spare and gluey frame body inner chamber. So, when the light guide plate inlays the dress in gluing the frame or demolishs by gluing in the frame, the bending of accessible external force control elasticity joint spare to realize the light guide plate and glue the joint or the separation of frame, whole operation mode need not to prop big gluey frame alright realize, thereby reduced about gluing the frame and warp, the requirement of resilience ability, and the assembly and the dismantlement degree of difficulty of light guide plate and gluey frame, and can not cause any destruction and waste to materials such as gluey frame body and light guide plate.

An object of this application still lies in providing a backlight unit, including light guide plate and foretell gluey frame, be provided with the joint structure on the lateral wall of light guide plate, the light guide plate inlay and adorn in glue the inner chamber of frame body, and pass through the joint structure with elasticity joint spare with glue frame body joint.

In an optional embodiment, a side wall of the light guide plate, which is opposite to the clamping structure, is provided with a buckle which is in clamping fit with the rubber frame body.

The application provides a backlight unit's beneficial effect lies in: compared with the prior art, this application backlight unit includes the gluey frame that each above-mentioned embodiment provided, and the light guide plate is whole to be inlayed and to be adorned in the inner chamber of gluing the frame body to cooperate through joint structure and elastic clamping spare and gluey frame body joint. When backlight unit installation and dismantlement, glue the frame body and install and dismantle the light guide plate through the bending deformation of elasticity joint spare, so, whole backlight unit's installation, dismantlement operation are more convenient, and can not cause the damage to gluey frame body or light guide plate among the backlight unit.

The present application further provides a display device including the backlight module.

The application provides a display device's beneficial effect lies in: compared with the prior art, the display device adopts the backlight module, the backlight module has the advantages of being convenient to assemble and disassemble, and the product cannot be damaged in the disassembling process, so that the quality of the product is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic top view of a rubber frame according to an embodiment of the present disclosure;

fig. 2 is a schematic perspective view of a rubber frame according to an embodiment of the present application;

FIG. 3 is an enlarged view of FIG. 2 at B;

fig. 4 is a schematic view of an overall structure of a backlight module according to an embodiment of the present disclosure;

FIG. 5 is an enlarged view taken at A in FIG. 4;

fig. 6 is an exploded schematic view of a backlight module according to an embodiment of the present disclosure;

FIG. 7 is a schematic top view illustrating a light guide plate according to an embodiment of the present disclosure;

fig. 8 is a top view of a backlight module according to an embodiment of the disclosure;

fig. 9 is a sectional view of the structure taken along line a-a in fig. 8.

Wherein, in the figures, the respective reference numerals:

1. a rubber frame body; 110. an elastic clamping piece; 111. an elastic connecting plate; 112. a convex portion; 120. a first side wall; 130. a second side wall; 140. a card slot; 2. a light guide plate; 210. a clamping structure; 220. and (5) buckling.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 3 and fig. 6 together, an embodiment of the present application provides a plastic frame. The rubber frame is applied to a backlight module and comprises a rubber frame body 1 and an elastic clamping piece 110 arranged on the rubber frame body 1. The frame body 1 has an inner cavity with an upward opening, and a light guide plate 2 in the backlight module is embedded in the inner cavity (please refer to fig. 4, fig. 6, and fig. 7). The elastic clamping piece 110 is used for being clamped with the light guide plate 2 in the backlight module, and an interval space for bending deformation of the elastic clamping piece 110 is formed between the elastic clamping piece 110 and the side wall of the inner cavity of the rubber frame body 1. Specifically, the elastic clip 110 may have one or more. During the use, glue frame body 1 and can only realize the joint through elastic clamping piece 110 and light guide plate 2, also can cooperate through elastic clamping piece 110 and other joint assembly structure among the prior art and realize the joint with light guide plate 2.

During assembly, the light guide plate 2 extrudes the top of the elastic clamping piece 110 to enable the elastic clamping piece to deform backwards so as to conveniently and quickly install the light guide plate 2, and after the light guide plate 2 is installed, the elastic clamping piece 110 automatically restores to the original state to buckle the light guide plate 2 to form good fixation; when disassembling, the elastic clamping member 110 is forced to the rear side by using a conventional production tool such as tweezers, and the light guide plate 2 can be taken out.

In this embodiment, glue frame body 1 and light guide plate 2 and can prolong the elastic material who restricts with traditional extrusion formula assembly, only need carry out secondary operation on original gluey frame or original light guide plate and can obtain this application and glue frame body 1 and light guide plate 2, so, can not glue frame body 1 and original light guide plate or original gluey frame and light guide plate 2 not adaptation and cause the waste of material because of gluing. And because the bending deformation ability that elastic clamping piece 110 possessed again, to the requirement decline of the short-term deformation of gluing frame body 1 and light guide plate 2 and resilience ability or even do not have the requirement, at this moment, glue frame body 1 and light guide plate 2 also can adopt rigid material, so, the material selection kind of gluing frame body 1 and light guide plate 2 is abundanter and the cost can show the reduction.

Compared with the prior art, the gluey frame that this application embodiment provided improves on traditional extrusion formula assembly structure's basis, has set up elastic joint spare 110 on gluey frame, and elastic joint spare 110 and glue and be formed with the interval space that supplies elastic joint spare 110 bending deformation between the lateral wall of frame body 1 inner chamber. So, when light guide plate 2 inlays and adorns in gluing the frame or demolishs by gluing in the frame, accessible external force control elasticity joint spare 110's bending to realize light guide plate 2 and the joint or the separation of gluing the frame, whole operation mode need not to prop big gluey frame alright realize, thereby reduced about gluing the frame deformation, the requirement of resilience ability, and the assembly and the dismantlement degree of difficulty of light guide plate 2 and gluey frame, and can not cause any destruction and waste to materials such as gluey frame body 1 and light guide plate 2.

The cross section of the inner cavity of the rubber frame body 1 can be polygonal, circular or special-shaped, and the like, can be set according to the use requirement, and is not limited uniquely here. In an alternative embodiment, the cross section of the inner cavity of the rubber frame body 1 is polygonal. The polygon may be a rectangle, a hexagon, an octagon, etc., and may be specifically set according to the use requirement. At this moment, the inner cavity of the rubber frame body 1 is enclosed by a plurality of side walls. In this embodiment, two elastic clamping members 110 are respectively disposed at the corners of the two ends of the first sidewall 120 in the rubber frame body 1. The first sidewall 120 may be any one of several sidewalls enclosing the inner cavity of the frame body 1. So, set up elasticity joint spare 110 in first lateral wall 120 both ends corner, can be so that arbitrary elasticity joint spare 110 joint light guide plate 2 and two corresponding limits in corner simultaneously, form good fixed.

In one embodiment, the cross section of the inner cavity of the rubber frame body 1 is rectangular, that is, the rubber frame body 1 is rectangular. Two symmetrically arranged clamping grooves 140 are formed in a second side wall 130 of the rubber frame body 1, which is opposite to the first side wall 120, and the clamping grooves 140 are used for being clamped with the light guide plate 2. In this embodiment, the first sidewall 120 may be one of the short sides or one of the long sides of the plastic frame body 1, and the second sidewall 130 is the other short side or the other long side of the plastic frame body 1 opposite to the first sidewall 120. The locking groove 140 in this embodiment can adopt a locking groove 140 structure on the rubber frame body 1 in the prior art. The gluey frame that this embodiment provided both has elastic joint spare 110, has draw-in groove 140 again, and both divide and locate on two relative lateral walls that set up, during the installation, can press the other end of light guide plate 2 downwards again with light guide plate 2 through draw-in groove 140 and gluey frame body 1's wherein one end joint, through elastic joint spare 110 and the other end joint of gluey frame body 1 earlier. Meanwhile, during disassembly, the elastic clamping piece 110 can be separated from the corresponding end of the light guide plate 2 by means of a tool, and the end is lifted by means of the tool and then is pulled out outwards to separate the light guide plate 2 from the clamping groove 140, so that the light guide plate 2 and the rubber frame body 1 are separated. Whole installation, dismantlement operation are compared in gluing frame body 1 and only through a plurality of elastic clamping spare 110 and the joint of light guide plate 2, and the operation is more convenient, and can not cause the damage to gluing frame body 1 or light guide plate 2.

In an alternative embodiment, the first sidewall 120 is one of the short sides of the frame body 1, that is, the two elastic fasteners 110 are disposed at two corners of the same short side.

In one embodiment, referring to fig. 1 and 6, the rubber frame body 1 is provided with an installation groove communicated with the inner cavity of the rubber frame body 1. The included angle between the first side wall 120 and the two adjacent side walls is provided with a right-angle chamfer, the central position of the chamfer is provided with a mounting groove with a side opening, the elastic clamping piece 110 is mounted on the bottom of the mounting groove, and a spacing space is formed between the elastic clamping piece 110 and the side walls of the mounting groove to provide enough space for the deformation of the elastic clamping piece 110, so that the interference of the convex part 112 on the light guide plate 2 caused by the excessively small deformation space is avoided. In the plastic frame provided by this embodiment, the elastic clamping member 110 is installed in the installation groove, so that the light guide plate 2 can be tightly contacted with the inner wall of the plastic frame body 1 after being embedded in the plastic frame body 1, thereby improving the aesthetic property of the assembly of the two.

In an alternative embodiment, the bottom surface of the spacing space is flush with the bottom surface of the inner cavity of the rubber frame body 1 to ensure that the assembly of the light guide plate 2 is not affected.

In one embodiment, referring to fig. 3, the elastic clamping member 110 includes an elastic connection plate 111 vertically disposed and connected to the bottom of the mounting groove, and a protrusion 112 disposed on the top of the elastic connection plate 111, wherein one side of the protrusion 112 close to the inner cavity of the rubber frame body 1 protrudes out of the side surface of the elastic connection plate 111, that is, the protrusion 112 extends toward the inside of the rubber frame body 1 relative to the side surface of the elastic connection plate 111 so as to facilitate clamping assembly of the light guide plate 2.

More specifically, the side of the protrusion 112 close to the inner cavity of the rubber frame body 1 and the side of the elastic connecting plate 111 close to the inner cavity of the rubber frame body 1 are in the same vertical plane. In an alternative embodiment, the top of the boss 112 is formed with an obliquely disposed guide surface. The cross section of the protruding portion 112 is triangular or trapezoidal, and the top surface is an inclined surface extending from top to bottom toward the inner cavity of the rubber frame body 1, and the inclined surface is the above-mentioned guide surface. The setting of spigot surface for during the assembly of light guide plate 2, light guide plate 2 can be to the whole rearward component force that produces of elastic joint spare 110, makes elastic joint spare 110 can be quick deformation, and convex part 112 can be crooked this moment and advance in the interval space, so that light guide plate 2 can convenient and fast assemble advance glue frame body 1 in.

In one embodiment, referring to fig. 3, the top surface of the elastic clamping member 110 is not higher than the top surface of the rubber frame body 1. The object is to prevent the elastic clamping member 110 from protruding the top surface of the light guide plate 2, thereby adversely affecting the subsequent assembly of the product.

In an optional embodiment, a vertical surface of the elastic connecting plate 111 close to one side of the light guide plate 2 is located on the same plane as the chamfered surface of the rubber frame body 1, and meanwhile, the elastic connecting plate 111 has enough elasticity and fixing capacity, so that the elastic connecting plate can be quickly deformed during the assembly of the light guide plate 2, a worker can quickly assemble the light guide plate 2 and the rubber frame body 1, and the effect of improving the assembly efficiency of the light guide plate 2 and the rubber frame body 1 is achieved; on the other hand, the light guide plate 2 can be stably clamped by the rubber frame body 1, and the light guide plate 2 is prevented from falling off from the rubber frame body 1 when the product is used.

In one embodiment, the rubber frame body 1, the elastic connecting plate 111 and the protruding portion 112 are designed to be an integral structure, so as to ensure that the elastic clamping member 110 has sufficient structural strength, and ensure that the elastic clamping member 110 cannot break in a repeated use process.

In another embodiment, the elastic connecting plate 111 and the protrusion 112 are an integral structure, and form an integral elastic clamping member 110. The elastic clamping piece 110 is detachably connected with the rubber frame body 1, specifically, the elastic connecting plate 111 is designed to be an L-shaped plate, one side of the L-shaped plate and the convex part 112 are of an integrated structure, and a plurality of assembling holes can be uniformly formed in the surface of the other side of the L-shaped plate. Correspondingly, the rubber frame body 1 is provided with corresponding threaded holes, so that the elastic clamping piece 110 can be detachably connected to the rubber frame body 1 through screws. The design has the advantages that on one hand, the elastic clamping piece 110 with the elastic connecting plate 111 with the adaptive size can be selected according to the specification of the light guide plate 2, so that the adaptability of the rubber frame body 1 to the light guide plates 2 with different thicknesses is improved; on the other hand, when the light guide plate 2 is repeatedly assembled and disassembled to cause the elastic connection plate 111 to be broken, the waste of the rubber frame body 1 can be avoided by replacing the elastic clamping piece 110. The structural design of the elastic clamping member 110 is selected according to specific production requirements, and is not particularly limited.

Referring to fig. 4, fig. 5 and fig. 7 to fig. 9, in another embodiment of the present application, a backlight module is provided, which includes a light guide plate 2 and a plastic frame provided in the above embodiments, a clamping structure 210 is disposed on a side wall of the light guide plate 2, and the clamping structure 210 is adapted to an elastic clamping member 110, so as to realize a tight fit between a plastic frame body 1 and the light guide plate 2 in the backlight module. Specifically, the clamping structure 210 may be a clamping block disposed on the light guide plate in the prior art, or may be other clamping structures capable of being clamped and matched with the elastic clamping member 110, such as a clamping groove and a rib, and may be specifically set according to the use requirement, and is not limited herein.

Compared with the prior art, the backlight module provided by the application comprises the rubber frame provided by each embodiment, the light guide plate 2 is integrally embedded in the inner cavity of the rubber frame body 1, and is clamped and matched with the rubber frame body 1 through the clamping structure 210 and the elastic clamping piece 110. When backlight unit installation and dismantlement, glue frame body 1 and install and dismantle light guide plate 2 through the bending deformation of elastic clamping piece 110, so, whole backlight unit's installation, dismantlement operation are more convenient, and can not cause the damage to gluey frame body 1 or light guide plate 2 among the backlight unit.

In an alternative embodiment, please refer to fig. 7, the light guide plate 2 is a rectangular plate-shaped structure, but two corners of a short side of the light guide plate are respectively provided with a straight chamfer adapted to the rubber frame body 1, and an assembly notch for assembling with the rubber frame body 1 is respectively arranged at a middle position of the two chamfers. Specifically, the assembly notch can not run through the whole light guide plate 2, and the chamfer department of light guide plate 2 should be equipped with the step, and this step height can design according to actual production needs, also the degree of depth of assembly notch is adjustable, and the assembly notch is joint structure 210.

Referring to fig. 7 and 9, preferably, a fastener 220 that is snap-fitted with the rubber frame body 1 is disposed on a side wall of the light guide plate 2 opposite to the snap-fit structure 210. Specifically, the buckle 220 in this embodiment is in snap fit with the snap groove 140 on the rubber frame body 1. From this, draw-in groove 140 and buckle 220 joint assembly, elasticity joint spare 110 and the assembly of joint structure 210 joint, the two cooperates mutually and makes light guide plate 2 fastening in gluing frame body 1.

More specifically, buckle 220 is the joint piece on the current light guide plate, and the advantage is in the assembly of being convenient for with gluey frame body 1. The buckle 220 can also be designed as an integral rectangular block projection, and the design can reduce the additional secondary processing on one hand; on the other hand, certain structural strength can be improved, and the possibility that the buckle 220 is damaged due to excessive external force is reduced.

In an alternative embodiment, referring to fig. 6 and 7, the light guide plate 2 has a plurality of notches for assembling components on the side surface connecting the two clamping structures 210, so as to facilitate the subsequent assembly of the rubber frame body 1.

In another embodiment of the present application, a display device (not shown) is further provided, which includes the backlight module.

The display device provided by the embodiment of the application comprises a backlight module. The backlight module has the same structure and functions as those of the backlight modules provided in the above embodiments, and will not be described herein again.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a glue frame, is applied to backlight unit, its characterized in that, including gluing the frame body, and locate glue the elasticity joint spare on the frame body, elasticity joint spare be used for with light guide plate joint among the backlight unit, elasticity joint spare with be formed with the confession between the inside wall of gluing the frame body the interval space that elasticity joint spare warp.

2. The plastic frame of claim 1, wherein the cross section of the inner cavity of the plastic frame body is polygonal, and two elastic clamping members are provided and are respectively provided at the corners of the two ends of the first side wall of the plastic frame body.

3. The plastic frame according to claim 2, wherein the cross section of the inner cavity of the plastic frame body is rectangular, and two symmetrically arranged clamping grooves are formed in a second side wall of the plastic frame body, which is opposite to the first side wall, and the clamping grooves are used for being clamped with the light guide plate.

4. The rubber frame according to any one of claims 1 to 3, wherein the rubber frame body is provided with an installation groove communicated with the inner cavity of the rubber frame body, and the elastic clamping member is installed on the bottom of the installation groove and forms the spacing space with the side wall of the installation groove.

5. The rubber frame of claim 4, wherein the elastic clamping member comprises an elastic connecting plate vertically arranged and connected with the bottom of the mounting groove and a convex part arranged at the top of the elastic connecting plate, and one side of the convex part close to the inner cavity of the rubber frame body protrudes out of the side of the elastic connecting plate.

6. The bezel of claim 5, wherein the top of the protrusion is formed with an obliquely disposed guide surface.

7. The plastic frame as claimed in claim 5, wherein the top surface of the elastic clamping member is not higher than the top surface of the plastic frame body.

8. A backlight module is characterized by comprising a light guide plate and the rubber frame as claimed in any one of claims 1 to 7, wherein a clamping structure is arranged on the side wall of the light guide plate, the light guide plate is embedded in the inner cavity of the rubber frame body, and the light guide plate is clamped with the rubber frame body through the clamping structure and the elastic clamping piece.

9. The backlight module according to claim 8, wherein a buckle engaged with the rubber frame body is disposed on a side wall of the light guide plate opposite to the clamping structure.

10. A display device comprising the backlight module of claim 8 or 9.