TW202328784A - Frame structure, backlight module and display device - Google Patents

Abstract

A frame structure includes a back plate includes a first side and two second sides opposite the first side. The first side extending along a first direction and each of the second sides extending along a second direction. The first side and each second side respectively have at least one first joining part and the first side has at least one second joining part. A rubber frame includes at least one side part having at least one clamping part. The clamping part is detachably combined with the corresponding first joint part. A back cover having at least one bonding member formed by extending the inner side of the back cover. The bonding member of the back cover is detachably combined with the corresponding second joining part along the second direction.

Description

Frame structure, backlight module and display device

The present invention mainly relates to a frame structure, in particular 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.

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 a back cover is used to fix the plastic frame, the display panel and the backlight module 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 time for assembly. 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.

The purpose of the present invention is to provide a frame structure that can be quickly assembled.

Another object of the present invention is to provide a backlight module having the above-mentioned frame structure.

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

To achieve the above object, the present invention provides a frame structure, comprising: a back plate, including a first side extending along a first direction, and two sides opposite to the first side along a second direction Two extended second sides, the first side and the second side respectively have at least one first joint portion, and the first side further has at least one second joint portion; a plastic frame includes at least one side part, the side part has at least one clamping part, the clamping part is detachably combined with the corresponding first joint part; and a back cover, the inner side extends to form at least one joint part, the joint part of the back cover It is detachably coupled to the corresponding second coupling portion along the second direction.

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

The present invention 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 through hole, and the combining part of the back cover is a post, and the post 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 with an opening facing the first side, and the guide part of the back cover is a protruding post, and the protruding post faces the first direction. Extending, 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 invention may further include at least one fixing component, the fixing component is arranged on the side opposite to the first side of the back plate, 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 invention have the following characteristics: the clamping portion of the plastic frame can be moved and positioned relative to the back plate along an assembly direction, and is detachably combined with the first joint portion of the back plate , 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.

The embodiments of the present invention are described in detail below in conjunction with the drawings. The attached drawings are mainly simplified schematic diagrams, which only schematically illustrate the basic structure of the present invention. Therefore, only components related to the present invention are marked in these drawings. , and the displayed components are not drawn according to the number, shape, size ratio, etc. of the actual implementation. The actual size of the actual implementation is a selective design, and the layout of the components may be more complicated.

The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present invention may be practiced. The direction terms mentioned in the present invention, such as "upper", "lower", "front", "rear", etc., are only directions referring to the attached 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 Fig. 1, which is a preferred embodiment of the frame structure of the present invention, including: a back plate 1, a plastic frame 2 and a back cover 3, the plastic frame 2 and the back cover 3 are detachable respectively ground to the backplane 1.

Please also refer to FIG. 2, the backboard 1 includes a first side 11 extending along a first direction D1, and is located on opposite sides of the first side 11 and extends along a second direction D2. For example, but not limited to, 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 .

Please refer 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 a hook 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 back panel 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 protruding columns arranged along the first side 11 of the backboard 1, the second coupling part 14 is a plurality of perforations arranged opposite to the protruding columns, and the protruding columns 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 backboard 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. The protrusion extends toward the first direction D1 and is slidably coupled to 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 piece 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 invention 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 FIGS. 5-7, the frame structure of the present invention 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 back plate 1 and the plastic frame 2 together, and the back plate 1 It is fixedly combined with the first member 41 , so that in the frame structure of the present invention, 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 post 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 a screw member 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 back plate 1 and the plastic frame 2, lock through a plurality of screw fittings 5' corresponding to the screw holes 413 of the first member 41, and then use the screw fittings 5 to pass through the joint 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. A threaded piece 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 that the back cover 3 passes through the first member 41 is fastened to the backboard 1 .

The frame structure of the present invention 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 LCD panel.

Based on the above, in the frame structure of the present invention, 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 invention, and are not intended to limit the scope of the present invention. Any person familiar with the art can, without departing from the spirit and scope of the present invention, Modifications and changes are made to the above-mentioned embodiments. Any equivalent change and modification accomplished by using the content disclosed in the present invention should still be covered by the scope of the following patent application.

﹝this invention﹞ 1: Backplane 11: First side 12: Second side 13: The first junction 14: The second joint 15: The third junction 2: plastic frame 21: side 22: Holder 23: hook 24: Through hole 3: Back cover 31: Combination 32: guide piece 33: cover plate 331: perforation 4: Fixed components 41: first component 411: the first stopper 412: binding column 413: locking hole 414: perforation 42: Second component 421: the second stop part 422: binding hole 423: perforation 5, 5’, 5’’: Screwed parts D1: the first direction D2: Second direction D3: Third direction

[Fig. 1] is the three-dimensional exploded view of the frame structure of the present invention; [Fig. 2] is a three-dimensional combined view of the back cover of the frame structure of the present invention combined with the back plate; [Fig. 3] is a partially enlarged view of Fig. 1; [Fig. 4] is a three-dimensional combination diagram of the hook of the rubber frame of the present invention combined with the first joint part of the backboard; [Fig. 5] is a three-dimensional exploded view of the fixing assembly of the present invention; [Fig. 6] is a partially enlarged view of Fig. 5; [ Fig. 7 ] is a partial three-dimensional assembled view of the fixing component of the present invention.

1: Backplane

11: First side

12: Second side

13: The first junction

14: The second joint

15: The third junction

2: plastic frame

21: side

22: Holder

3: Back cover

31: Combination

D1: the first direction

D2: Second direction

D3: Third direction

Claims (9)

A frame structure comprising: A back plate, including 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 second side has at least one first joint part respectively, and the first side has at least one second joint part; A plastic frame, including at least one side portion, the side portion has at least one clamping portion, and the clamping portion is detachably coupled to the corresponding first coupling portion; and A back cover, the inner side extends 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 joint part of the back plate is a through hole, the joint part of the back cover is a post, and the post is extended and combined with the corresponding through hole. The frame structure as claimed in claim 1, wherein at least one second side further has at least one third joining 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 part of the back plate is an engaging groove opening toward the first side, the guide part of the back cover is a protruding column, and the protruding The column extends toward the first direction, and the protruding column is slidably combined with the corresponding engaging groove. The frame structure according to claim 3, wherein, when the joint member of the back cover extends toward the second direction and is combined with the corresponding second joint part along the second direction, the joint part of 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 described in any one of Claims 1-7. A display device, comprising the backlight module as described in Claim 8: and a display panel located in front of the backlight module.