Backlight module and display equipment

Abstract

The utility model provides a backlight module and a display device, the backlight module comprises a backlight frame and an FPC; the backlight frame comprises a positioning column; the FPC comprises an FPC main body and a reinforcing plate, the FPC main body comprises an element welding area, and the reinforcing plate comprises a via hole; and the positioning column passes through the through hole and is clamped in the through hole. Through the positioning columns arranged on the backlight frame, the via holes of the FPC reinforcing plate can be clamped, so that double-faced adhesive tape in a traditional backlight module is omitted, and the step of engraving FPC alignment lines on the backlight frame is omitted.

Description

Technical Field

[0001] The utility model relates to the technical field of display screens, and in particular to a backlight module and a display device. Background Art

[0002] The FPC on the back of a traditional backlight module is usually fixed by sticking the FPC component area and the end with single-sided adhesive tape or double-sided adhesive tape. It is necessary to first carve the FPC alignment lines on the backlight adhesive frame or iron frame, which adds the steps of carving the alignment lines and the steps and costs of sticking double-sided adhesive tape. In addition, it is not easy to remove the FPC and it is easy to damage the FPC during removal. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a backlight module and a display device.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] In a first aspect, an embodiment of the utility model provides a backlight module, comprising: a backlight frame and an FPC;

[0006] The backlight frame includes positioning posts;

[0007] The FPC includes an FPC body and a reinforcement plate, the FPC body includes a component welding area, and the reinforcement plate includes a via hole;

[0008] The positioning post passes through the via hole and is stuck in the via hole.

[0009] As a preferred implementation of the present invention, the backlight frame is a metal frame.

[0010] As a preferred embodiment of the present invention, the component welding area is made of a magnetic iron sheet, and the component welding area is connected to the backlight frame by magnetic attraction.

[0011] As a preferred implementation of the present invention, the backlight frame is a plastic frame.

[0012] As a preferred implementation of the utility model, the component welding area is fixed to the backlight frame by double-sided adhesive.

[0013] As a preferred embodiment of the present invention, the positioning column is made of soft plastic material.

[0014] As a preferred embodiment of the present utility model, the positioning column includes a buckle portion and a bottom column, the buckle portion is connected to the bottom column, and the bottom column is fixed to the backlight frame.

[0015] As a preferred embodiment of the present utility model, the buckle portion includes a groove.

[0016] As a preferred embodiment of the present invention, the reinforcing plate is a polyimide reinforcing plate.

[0017] In a second aspect, the present invention further provides a display module, comprising a display screen and a backlight module as in any embodiment of the present invention.

[0018] Compared with the prior art, the advantages and positive effects of the utility model are:

[0019] 1. Through the positioning column on the backlight frame, the via hole of the FPC reinforcement plate can be stuck, thereby eliminating the double-sided tape in the traditional backlight module and the step of engraving the FPC alignment line on the backlight frame;

[0020] 2. The component welding area of ​​the FPC is replaced by a magnetic iron sheet from a traditional stainless steel sheet, so that the iron sheet and the backlight iron frame are attracted to each other, preventing the lower part of the FPC from arching, and playing a role in fixing and avoiding contact with other parts of the casing, saving the double-sided tape in the traditional backlight module, and the step of engraving the FPC alignment line on the backlight frame first;

[0021] 3. The structure of the positioning column in the utility model facilitates the installation and removal of the FPC. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the structure of a backlight module provided by the utility model;

[0023] Figure 2 A schematic diagram of the structure of a PCB provided by the utility model;

[0024] Figure 3 A side view of a positioning column provided by the utility model;

[0025] Figure 4 The present invention is a schematic structural diagram of a display device provided by the present invention. DETAILED DESCRIPTION

[0026] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0028] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix", "set" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] First, see Figure 1-2 , the embodiment of the utility model provides a backlight module, including: a backlight frame 100 and an FPC 200;

[0031] The backlight frame 100 includes a positioning column 110;

[0032] The FPC 200 includes an FPC body 210 and a reinforcing plate 220 , wherein the FPC body 210 includes a component welding area 211 , and the reinforcing plate 220 includes a via hole 221 ;

[0033] The positioning post 110 passes through the through hole 221 and is stuck in the through hole 221 .

[0034] The backlight module of the utility model can clamp the via hole of the FPC reinforcing plate through the positioning column arranged on the backlight frame, thereby eliminating the double-sided tape in the traditional backlight module and the step of engraving the FPC alignment line on the backlight frame.

[0035] As a preferred implementation of the present invention, the backlight frame 100 is a metal frame.

[0036] As a preferred embodiment of the present invention, the component welding area 211 is made of a magnetic iron sheet, and the component welding area 211 is connected to the backlight frame 100 by magnetic attraction.

[0037] When the backlight frame 100 is a metal frame, the component welding area 211 of the FPC is made of a magnetic iron sheet instead of a traditional stainless steel sheet, so that the magnetic iron sheet and the metal frame are attracted to each other, avoiding the lower part of the FPC from arching, and playing a role in fixing and avoiding contact with other parts of the casing, saving the double-sided tape in the traditional backlight module and the step of engraving the FPC alignment line on the backlight frame.

[0038] As a preferred implementation of the present invention, the backlight frame 100 is a plastic frame.

[0039] As a preferred embodiment of the present invention, the component welding area 211 is fixed to the backlight frame 100 by double-sided adhesive. By fixing the component welding area, the lower FPC is prevented from bulging and the component is damaged, and the component is fixed and prevented from contacting other parts of the housing.

[0040] As a preferred embodiment of the present invention, the positioning post 110 is made of soft plastic material, which avoids the problem of tearing the via hole when the positioning post 110 is inserted into the via hole.

[0041] As a preferred embodiment of the present invention, please refer to Figure 3 The positioning column 110 includes a buckle portion 111 and a bottom column 112 , the buckle portion 111 is connected to the bottom column 112 , and the bottom column 112 is fixed to the backlight frame 100 .

[0042] As a preferred embodiment of the present invention, the buckle portion 111 includes a groove 113 .

[0043] The provision of the groove 113 in the present invention can facilitate the extrusion deformation of the buckle portion 111 , thereby facilitating the insertion into or out of the through hole 221 .

[0044] As a preferred embodiment of the present invention, the reinforcing plate 220 is a polyimide reinforcing plate.

[0045] In a second aspect, the present invention further provides a display module, comprising a display screen 10 and a backlight module 20 as described in any embodiment of the present invention.

[0046] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A backlight module, characterized in that: include: Backlight frame and FPC; The backlight frame includes a positioning column; The FPC includes an FPC body and a reinforcement plate, the FPC body includes a component welding area, and the reinforcement plate includes a via hole; The positioning post passes through the through hole and is stuck in the through hole.

2. The backlight module according to claim 1, characterized in that: The backlight frame is a metal frame.

3. The backlight module according to claim 2, characterized in that: The component welding area is made of a magnetic iron sheet, and the component welding area is connected to the backlight frame by magnetic attraction.

4. The backlight module according to claim 1, characterized in that: The backlight frame is a plastic frame.

5. The backlight module according to claim 4, characterized in that: The component welding area is fixed to the backlight frame by double-sided adhesive.

6. The backlight module according to claim 1, characterized in that: The positioning column is made of soft plastic material.

7. The backlight module according to claim 6, characterized in that: The positioning column comprises a buckle portion and a bottom column, the buckle portion is connected to the bottom column, and the bottom column is fixed to the backlight frame.

8. The backlight module according to claim 7, characterized in that: Therefore, the snap-fit ​​portion comprises a groove.

9. The backlight module according to claim 1, characterized in that: The reinforcing plate is a polyimide reinforcing plate.

10. A display device, characterized in that: It comprises a display screen and a backlight module as described in any one of claims 1 to 9.

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