WO2023130556A1

WO2023130556A1 - Frame structure, backlight module and display device

Info

Publication number: WO2023130556A1
Application number: PCT/CN2022/079060
Authority: WO
Inventors: 邱怡仁; 巫崧辅; 张榕殷
Original assignee: 瑞仪光电(苏州)有限公司
Priority date: 2022-01-04
Filing date: 2022-03-03
Publication date: 2023-07-13
Also published as: CN218273006U; TWI823282B; TW202328784A; JP3238309U

Abstract

A frame structure, including: a backplane, which includes a first side edge extending in a first direction and two second side edges located on two opposite sides of the first side edge and extending in a second direction, wherein the first side edge and the second side edges are respectively provided with at least one first bonding portion, and the first side edge is additionally provided with at least one second bonding portion; a rubber frame, which includes at least one side portion, wherein the side portion is provided with at least one engagement portion, and the engagement portion is detachably bonded with the corresponding first bonding portion; and a back cover, wherein an inner side of the back cover extends to form at least one bonding member, and the bonding member of the back cover is detachably bonded with the corresponding second bonding portion in the second direction.

Description

Frame structure, backlight module and display device

technical field

The present application mainly relates to a frame structure, and in particular relates to a frame structure applied to medium and large-sized liquid crystal display modules, and a backlight module and a display device including the frame structure.

Background technique

Press, a general display device includes a backlight module and a display panel, and the backlight module is provided with a plastic frame for carrying the display panel. When the display device is assembled, the display panel is placed on the plastic frame, and the plastic frame, the display panel and the backlight module are fixed by a back cover to complete the assembly of the display device.

The current common fixing method is to use screws for locking. However, this fixing method requires a thicker back cover to increase the structural strength, which not only affects the overall appearance of the display device, but also requires a long assembly time and more labor. The cost of manpower and materials, so the efficiency of assembly and disassembly is also poor.

In view of this, it is necessary to provide a frame structure to solve the above problems.

Contents of the invention

The purpose of this application is to provide a frame structure that can be quickly assembled.

The second object of the present application is to provide a backlight module having the above-mentioned frame structure.

Another object of the present application is to provide a display device having the above-mentioned backlight module.

In order to achieve the above object, the present application provides a frame structure, comprising: a back plate, including a first side extending along a first direction, and two sides extending along a second direction located on opposite sides of the first side a second side, the first side and the second side respectively have at least one first joint, and the first side also has at least one second joint; the plastic frame includes at least one side, the first side has at least one second joint; The side part has at least one clamping part, and the clamping part is detachably combined with the corresponding first joint part; and the back cover, the inner side extends to form at least one joint part, and the joint part of the back cover is along the first joint part. The two directions are detachably combined with the corresponding second combination part.

The present application further provides a backlight module, including: the above-mentioned frame structure.

The present application further provides a display device, comprising: the above-mentioned backlight module; and a display panel, located in front of the backlight module.

In some embodiments, the second combining portion of the back plate is a perforation, the combining part of the back cover is a boss, and the boss is extended and combined with the corresponding through hole.

In some embodiments, at least one second side further has at least one third joint portion, and the back cover has at least one guide, and the guide is detachably combined with the corresponding one along the second direction. The third junction.

In some embodiments, the third joint part of the back plate is an engaging groove opening toward the first side, the guide part of the back cover is a protruding post, and the protruding post extends toward the first direction, The protrusion is slidably combined with the corresponding engaging groove.

In some embodiments, the joint part of the back cover extends toward the second direction, and when combined with the corresponding second joint part along the second direction, the guide part of the back cover faces the first extending in one direction and combined with the corresponding third combining portion along the second direction.

In some embodiments, the end of the holding portion extends toward the outside of the plastic frame to form a hook, and the hook is detachably coupled to the corresponding first coupling portion.

In some embodiments, the frame structure of the present application may further include at least one fixing component, the fixing component is arranged on the side opposite to the first side of the backboard, and the fixing component is used to connect the plastic frame to the At least one of the back covers is fixedly combined with the back plate.

The frame structure, backlight module and display device of the present application have the following characteristics: the clamping part of the plastic frame can be moved and positioned relative to the backboard along an assembly direction, and is detachably combined with the first joint part of the backboard , and the joint part of the back cover can also be moved and positioned relative to the back plate along an assembly direction and detachably combined with the second joint part of the back plate, so that the setting of screws and holes can be greatly reduced, and the The assembly process of the frame structure to achieve the effect of quick assembly, quick disassembly and improved appearance.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the frame structure of the present application;

Fig. 2 is a three-dimensional combined view of the back cover of the frame structure of the present application combined with the back panel;

Figure 3 is a partially enlarged view of Figure 1;

Fig. 4 is a three-dimensional combined view of the hook of the rubber frame of the present application combined with the first joint part of the backboard;

Figure 5 is an exploded perspective view of the fixing assembly of the present application;

Figure 6 is a partially enlarged view of Figure 5;

Fig. 7 is a partial perspective assembled view of the fixing assembly of the present application.

Detailed ways

The embodiments of the present application are described in detail below in conjunction with the drawings, and the accompanying drawings are mainly simplified schematic diagrams, which only schematically illustrate the basic structure of the present application, so only components related to the present application are marked in these drawings. And the displayed components are not drawn according to the number, shape, size ratio, etc. of the actual implementation, and the specifications and sizes of the actual implementation are actually a selective design, and the layout of the components may be more complex.

The following descriptions of various embodiments refer to the accompanying drawings to illustrate specific embodiments according to which the present application may be practiced. The directional terms mentioned in this application, such as "upper", "lower", "front", "rear", etc., are only referring to the directions of the accompanying drawings. Therefore, the directional terms used are used to illustrate and understand the application, but not to limit the application. Also, in the specification, unless it is clearly described to the contrary, the word "comprising" will be understood as meaning including the stated elements, but not excluding any other elements.

Please refer to Figure 1, which is a preferred embodiment of the frame structure of the present application, including: a back plate 1, a plastic frame 2 and a back cover 3, and the plastic frame 2 and the back cover 3 are respectively detachably combined with the back plate 1.

Please refer to FIG. 2 together, the backboard 1 includes a first side 11 extending along the first direction D1, and two sides extending along the second direction D2 located on opposite sides of the first side 11. For example, but not limited to, the second side 12 , the first direction D1 of the first side 11 may extend along a straight line or a curved direction. The first side 11 and the second side 12 respectively have at least one first joint portion 13 combined with the plastic frame 2 . The first side 11 further has at least one second joint portion 14 limitedly combined with the back cover 3 , and the second side 12 further has at least one third joint portion 15 limitedly combined with the back cover 3 .

1 and 3, the plastic frame 2 includes at least one side portion 21. For example, but not limited to, the side portion 21 of the plastic frame 2 relative to the first side 11 can also be along a straight line or curved. direction extension. The side portion 21 has at least one locking portion 22 , and the locking portion 22 is detachably coupled to the corresponding first coupling portion 13 of the backboard 1 . In this embodiment, the first bonding portion 13 of the backboard 1 is a plurality of perforations arranged along the edge of the backboard 1 , and the clamping portion 22 of the plastic frame 2 corresponds to the first joint portion 13 of the backboard 1 . The position of the joint part 13 is set, and the clamping part 22 extends toward the assembly direction with the backboard 1 .

Referring to FIGS. 1 and 4 , optionally, at least the ends of the holding portions 22 on opposite sides extend toward the edge (outside) of the backboard 1 to form hooks 23 . For example, the extension directions of the hooks 23 combined with the two opposite second sides 12 are different. In this way, when the back panel 1 and the plastic frame 2 are to be disassembled, only the hooks 23 located at the edges Push toward the center (inner side) of the backboard 1 to complete the disassembly action. In this way, the plastic frame 2 can be engaged and fixed to the corresponding first joint portion 13 of the back plate 1 through the at least one clamping portion 22 without damaging its body structure, and the clamping The hooks 23 firmly combine the plastic frame 2 with the first joint portion 13 of the back panel 1 to achieve quick assembly, quick disassembly and improved appearance.

The structural strength of the back plate 1 is preferably made of a material higher than that of the plastic frame 2 or the back cover 3. In this embodiment, the back plate 1 is made of metal material, and the plastic frame 2 or the back cover 3 The cover 3 is made of plastic, and the plastic frame 2 or the back cover 3 is carried by the back plate 1 with strong structural strength, which can not only improve the overall mechanical strength, but also use the elasticity of the plastic frame 2 to facilitate disassembly of the plastic frame 2. The back plate 1 and the back cover 3 .

2 and 3, the back cover 3 is provided with at least one joint 31 relative to the first side 11 of the back plate 1, for example, the at least one joint 31 faces the second direction D2 The extending post, the coupling part 31 of the back cover 3 is detachably coupled to the corresponding second coupling part 14 along the second direction D2. In this embodiment, the coupling member 31 is a plurality of protrusions arranged along the first side 11 of the backboard 1, the second coupling portion 14 is a plurality of perforations arranged opposite to the protrusions, and the protrusions The piercing is combined with the corresponding perforation. In this way, the back cover 3 can also be penetrated and combined with the second joint part 14 corresponding to the back plate 1 through the at least one joint part 31 without damaging its body structure, as the back cover 3 The limiting structure between the board 1 and the back cover 3 is located at the first side 11 .

Please refer to FIG. 2, the back cover 3 has at least one guide 32 relative to the second side 12 of the back plate 1, and the guide 32 is detachably combined with the second direction D2. The backboard 1 corresponds to the third joint portion 15 . In this embodiment, the third joint portion 15 of the back panel 1 is an engaging groove with an opening facing the first side 11, and the guide 32 is a protruding post disposed opposite to the engaging groove, and the protruding post Extending toward the first direction D1, and slidably combined with the corresponding engaging groove. In this way, the back cover 3 can be further engaged and fixed on the at least one third joint portion 15 of the back plate 1 through the at least one guide member 32, so as to be located between the back plate 1 and the back cover 3 The position-limiting structure of the second side 12 also achieves the effect of enhancing the joint stability between the back cover 3 and the back panel 1 at the second side 12 .

The assembly process of the preferred embodiment of the frame structure of the present application is described as follows: firstly, the clamping portion 22 of the plastic frame 2 is correspondingly combined with the first joint portion 13 of the back plate 1, and then the joint of the back cover 3 When the first side 11 of the backboard 1 moves along the second direction D2, the member 31 is correspondingly limited to the second joint part 14 of the backboard 1. At the same time, the guide of the back cover 3 The part 32 corresponding to the second side 12 of the back plate 1 also moves along the second direction D2, and is correspondingly limited to the third joint portion 15 of the back plate 1, so that the plastic frame 2 and the back plate The cover 3 is combined with the backboard 1 . More preferably, the opposite side of the first side 11 of the back panel 1 is fixedly combined with the back cover 3 to prevent the back cover 3 and the back panel 1 from separating from each other along the second direction D2, and the combination method can be Choice of threaded or fitted, but not limited to.

Please refer to Figures 5-7, the frame structure of the present application may further include at least one fixing component 4, and the fixing component 4 is arranged on the side opposite to the first side 11 of the backboard 1. In this embodiment , the fixing component 4 is a heat sink disposed on the ground side of the backplane 1 . The fixing component 4 is used for fixing and combining at least one of the plastic frame 2 and the back cover 3 opposite to the first side 11 with the back plate 1 .

For example, the fixing assembly 4 has a first member 41 and a second member 42, the first member 41 and the second member 42 clamp the backboard 1 and the plastic frame 2 together, and the backboard 1 and the The first member 41 is fixedly combined, so that in the frame structure of the present application, the ground side of the backboard 1 can be fixedly combined with the plastic frame 2 and the back cover 3 . In detail, the first component 41 has a first blocking portion 411 and at least one coupling column 412 , and the second component 42 has a second blocking portion 421 and at least one coupling hole 422 . The first stopper 411 and the second stopper 421 clamp the backboard 1 and the plastic frame 2 together, and the coupling post 412 of the first member 41 passes through the joint hole of the second member 42 422, and screwed with the coupling column 412 of the first member 41 by the screw fitting 5.

Preferably, the plastic frame 2 has a through hole 24 for the coupling post 412 of the first member 41 to pass through. The first member 41 further includes a plurality of locking holes 413 configured to be locked with corresponding holes of the backboard 1 . The fixing process of the frame structure on the ground side is described as follows: After the plastic frame 2 and the backboard 1 are aligned, the first member 42 and the second member 42 of the fixing assembly 4 are clamped together along the third direction D3 Hold the backboard 1 and the plastic frame 2, lock them through the screw holes 413 of the first member 41 through a plurality of screw parts 5', and then use the screw parts 5 to pass through the combination of the second member 42 The hole 422 is locked with the locking hole 412 corresponding to the backboard 1 to fix the plastic frame 2 to the backboard 1 via the fixing component 4 .

On the other hand, the back cover 3 further has a cover plate 33 and at least one through hole 331 on the cover plate 33 configured to be fixed on the ground side of the back plate 1 . In the frame structure, the fixing process of the back cover 3 on the ground side of the back plate 1 is described as follows: After the back cover 3 of the frame structure and the aforementioned fixing component 4 are assembled with the back plate 1 and the plastic frame 2 , the back cover 3 is limited by the first side 11 of the back plate 1 along the second direction D2, and the cover plate 33 of the back cover 3 covers the back plate 1 and the plastic frame 2 fixedly combined. The threaded part 5" extends through the through hole 423 of the second member 42, the through hole 414 of the first member 41 and the corresponding through hole 331 of the back cover 3, so as to lock the back cover 3 through the first member 41. Fit the backboard 1.

The frame structure of the present application can be applied to a backlight module or a display device. The display device includes the aforementioned frame structure and a display panel. The display panel is located in front of the backlight module. In this embodiment, the display panel is a liquid crystal panel. .

Based on the above, in the frame structure of the present application, the clamping part of the plastic frame can be moved and positioned relative to the backboard along an assembly direction, and is detachably combined with the first joint part of the backboard, and the backboard The joint part of the cover can also be moved and positioned relative to the back plate along an assembly direction and detachably combined with the second joint part of the back plate, thus greatly reducing the setting of screws and holes and simplifying the assembly of the frame structure process, in order to achieve quick assembly, quick disassembly and enhance the effect of appearance beautification.

The embodiments disclosed above are only illustrative of the principles, features and effects of the present application, and are not intended to limit the applicable scope of the present application. Any person skilled in the art can make the above-mentioned The embodiment is modified and changed. Any equivalent changes and modifications made using the content disclosed in this application should still be covered by the claims.

[Description of Reference Signs]

(this application)

1: Backplane

11: First side

12: Second side

13: The first junction

14: The second junction

15: The third junction

2: plastic frame

21: Side

22: Holder

23: hook

24: Through hole

3: Back cover

31: Combination piece

32: guide piece

33: Cover

331: perforation

4: Fixed components

41: First member

411: the first stop

412: binding column

413: locking hole

414: perforation

42: Second component

421: second stop

422: binding hole

423: Perforation

5, 5', 5": Screwed parts

D1: first direction

D2: Second direction

D3: Third direction

Claims

A frame structure comprising:

The back plate includes a first side extending along a first direction, and two second sides located on opposite sides of the first side and extending along a second direction, the first side and the first side The two sides respectively have at least one first joint portion, and the first side has at least one second joint portion;

The plastic frame includes at least one side portion, the side portion has at least one clamping portion, and the clamping portion is detachably combined with the corresponding first coupling portion; and

The inner side of the back cover is extended to form at least one joint part, and the joint part of the back cover is detachably combined with the corresponding second joint part along the second direction.
The frame structure according to claim 1 , wherein the second coupling portion of the back plate is a perforation, the coupling part of the back cover is a post, and the post is extended and combined with the corresponding through hole.
The frame structure according to claim 1, wherein at least one second side further has at least one third joint portion, and the back cover has at least one guide, and the guide is detachable along the second direction Combined with the corresponding third joint part.
The frame structure according to claim 3, wherein the third joint portion of the back plate is an engaging groove opening toward the first side, and the guide part of the back cover is a protrusion, and the protrusion faces toward the first side. The first direction extends, and the protrusion is slidably combined with the corresponding engaging groove.
The frame structure according to claim 3, wherein, when the joint part of the back cover extends toward the second direction, and is combined with the corresponding second joint part along the second direction, the back cover The guide piece extends toward the first direction and is coupled to the corresponding third coupling portion along the second direction.
The frame structure according to claim 1, wherein the end of the clamping portion extends toward the outside of the plastic frame to form a hook, and the hook is detachably coupled to the corresponding first coupling portion.
The frame structure according to any one of claims 1 to 6, further comprising at least one fixing component, the fixing component is arranged on the opposite side of the back plate relative to the first side, the fixing component is used for the glue At least one of the frame and the back cover is fixedly combined with the back plate.
A backlight module comprising the frame structure according to any one of claims 1-7.
A display device, comprising the backlight module as claimed in claim 8; and a display panel, which is located in front of the backlight module.