Glue-iron integrated backlight module easy to dissipate heat

Abstract

The utility model discloses a rubber-iron integrated backlight module easy to dissipate heat, which comprises a backlight module body, the backlight module body comprises a rubber-iron outer frame, the rubber-iron outer frame comprises an iron stand and a rubber stand arranged behind the iron stand, one side of the rubber stand far away from the iron stand is provided with a buckle for connecting the rubber stand and the iron stand, and the buckle is connected with the rubber stand. Heat dissipation holes used for heat dissipation are formed in the side, away from the iron frame, of the rubber frame. The backlight module has good heat dissipation performance so as to avoid the situation that the performance of the backlight module body is affected due to the fact that heat generated in the high-temperature working environment cannot be dissipated.

Description

Technical Field

[0001] The utility model relates to the technical field of backlight modules, in particular to a glue-iron integrated backlight module which is easy to dissipate heat. Background Art

[0002] Liquid crystal display devices are widely used in various information, communication and consumer electronic products. Liquid crystal display modules are mainly composed of backlight modules and display screens. The display screen itself does not emit light, and a backlight module is required to provide it with light. The backlight module mainly includes a light guide plate and a linear light source (such as an LED light bar) arranged outside the side of the light guide plate. The light guide plate, linear light source and other structures are usually supported and fixed by an "iron frame" made of metal, and a "rubber frame" made of soft materials such as rubber is also required on one side of the iron frame.

[0003] In the prior art, the glue-iron integrated backlight module has a glue frame disposed on one side of the iron frame, and the heat dissipation of the glue frame is not strong, so that it is easy to generate severe heat when used in a high temperature environment, resulting in abnormal use. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art and provide a glue-iron integrated backlight module which is easy to dissipate heat.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] A glue-iron integrated backlight module that is easy to dissipate heat comprises: a backlight module body, the backlight module body comprises a glue-iron outer frame, the glue-iron outer frame comprises an iron frame and a glue frame arranged behind the iron frame, a buckle for connecting the two is arranged on the side of the glue frame away from the iron frame, and a heat dissipation hole for dissipating heat is opened on the side of the glue frame away from the iron frame.

[0007] In one embodiment, there are a plurality of heat dissipation holes, and the plurality of heat dissipation holes are evenly distributed in an area of ​​the glue frame outside the buckle.

[0008] In one embodiment, a reflective film, a light guide plate and an optical film are sequentially arranged in the iron frame from bottom to top, and the iron frame surrounds the reflective film, the light guide plate and the optical film.

[0009] In one embodiment, a rubber layer for respectively contacting the reflective film, the light guide plate and the optical film is disposed on the inner side of the iron frame, and the rubber layer is disposed along the inner circumferential direction of the iron frame.

[0010] In one embodiment, the optical film includes a first brightness enhancement film, a diffusion film, and a second brightness enhancement film which are sequentially arranged from bottom to top.

[0011] In one embodiment, an LED lamp for providing a light source is disposed on one side of the light guide plate.

[0012] In one embodiment, a heat dissipation layer for heat dissipation is provided on a side of the iron frame facing the reflective film, and the heat dissipation layer is adhered to the iron frame.

[0013] In one embodiment, the heat dissipation layer is a graphite sheet.

[0014] In one embodiment, a heat-conducting double-sided adhesive is provided between the heat dissipation layer and the iron frame for connection and fixation.

[0015] In one embodiment, the heat dissipation layer is a copper sheet.

[0016] Compared with the prior art, the utility model has at least the following advantages:

[0017] 1. The utility model provides a heat dissipation space for the iron frame by arranging a plurality of heat dissipation holes on the rubber frame, so that the heat generated when the backlight module body works in a high temperature environment can be dissipated through the iron frame, thereby not affecting the normal use of the backlight module body.

[0018] 2. The utility model provides an integrated iron-glue backlight module that is easy to dissipate heat. By setting a heat dissipation layer and a thermally conductive double-sided adhesive, when the backlight module body works in a high-temperature environment, the heat inside the backlight module body first diffuses rapidly through the heat dissipation layer and is transferred to the iron frame through the thermally conductive double-sided adhesive. The multiple heat dissipation holes on the glue frame provide heat dissipation space for the iron frame, so that the heat can be dissipated in time, thereby not affecting the use of the backlight module body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below.

[0020] Figure 1 This is a schematic diagram of the front structure of a plastic-iron integrated backlight module that is easy to dissipate heat provided by the utility model;

[0021] Figure 2 A schematic diagram of the side cross-sectional structure of a plastic-iron integrated backlight module that is easy to dissipate heat provided by the utility model;

[0022] Figure 3 The utility model provides a schematic diagram of the back structure of a plastic-iron integrated backlight module that is easy to dissipate heat.

[0023] Description of the drawings: 10. Backlight module body; 20. Glue-iron outer frame; 21. Iron frame; 22. Glue frame; 221. Buckle; 222. Heat dissipation hole; 30. Reflective film; 40. Light guide plate; 50. Optical film; 51. First light-enhancing film; 52. Diffusion film; 53. Second light-enhancing film; 60. Rubber layer; 70. LED lamp; 80. Heat dissipation layer; 90. Thermally conductive double-sided adhesive. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings.

[0025] Embodiment 1:

[0026] A plastic-iron integrated backlight module that is easy to dissipate heat, referring to Figure 1 , including a backlight module body 10, the backlight module body 10 includes a glue-iron outer frame 20, the glue-iron outer frame 20 includes an iron frame 21 and a glue frame 22 arranged on the back of the iron frame 21, and a buckle 221 for connecting the two is arranged on the side of the glue frame 22 away from the iron frame 21, and the buckle 221 is located at the edge of the glue frame 22 close to the side.

[0027] Reference Figure 2 The iron frame 21 is arranged in a U-shaped shape, and the four sides of the iron frame 21 are bent upward at 90 degrees to form a hollow receiving groove. The reflecting film 30, the light guide plate 40 and the optical film 50 are arranged in sequence from bottom to top in the receiving groove. The reflecting film 30, the light guide plate 40 and the optical film 50 are sequentially accommodated in the receiving groove, and the reflecting film 30, the light guide plate 40 and the optical film 50 are arranged along the length direction of the rubber iron outer frame 20, and the iron frame 21 surrounds the reflecting film 30, the light guide plate 40 and the optical film 50.

[0028] Reference Figure 2 The inner side of the iron frame 21 is provided with a rubber layer 60, and the rubber layer 60 is provided on four inner sides of the iron frame 21 along the inner circumferential direction of the iron frame 21. The thickness of the rubber layer 60 is adapted to the thickness of the iron frame 21, and the rubber layer 60 is used to contact the reflective film 30, the light guide plate 40 and the optical film 50 respectively to perform buffering and prevent the reflective film 30, the light guide plate 40 and the optical film 50 from shaking in the iron frame 21.

[0029] Further, refer to Figure 2 The optical film 50 includes a first brightness enhancement film 51 , a diffusion film 52 and a second brightness enhancement film 53 which are sequentially arranged from bottom to top.

[0030] Reference Figure 2 An LED lamp 70 for providing a light source is disposed on one side of the light guide plate 40 , and a plurality of LED lamps 70 may be disposed.

[0031] Reference Figure 2A heat dissipation layer 80 for heat dissipation is provided on the side of the iron frame 21 facing the reflective film 30. The heat dissipation layer 80 is provided between the iron frame 21 and the reflective film 30, and the heat dissipation layer 80 is adhered to the inner side of the iron frame 21. In the present embodiment, the heat dissipation layer 80 is a graphite sheet with strong heat dissipation. A heat conductive double-sided adhesive 90 for connection and fixation is provided between the heat dissipation layer 80 and the iron frame 21. The heat conductive double-sided adhesive 90 is used to fix the heat dissipation layer 80 to the inner side of the iron frame 21. When the backlight module body 10 works in a high temperature environment, the heat generated inside the backlight module body 10 is transferred to the iron frame 21 through the heat dissipation layer 80 and the heat conductive double-sided adhesive 90 so as to be dissipated in time.

[0032] Reference Figure 3 A plurality of heat dissipation holes 222 are provided on one side of the glue frame 22 away from the iron frame 21 in an area other than the position of the buckle 221. The heat dissipation holes 222 are evenly distributed on the glue frame 22. The opening of the heat dissipation holes 222 allows heat to be better dissipated through the iron frame 21, so that when the backlight module body 10 works in a high temperature environment, the heat inside the backlight module body 10 is first rapidly diffused through the heat dissipation layer 80 and transferred to the iron frame 21 through the heat-conducting double-sided adhesive 90. The plurality of heat dissipation holes 222 on the glue frame 22 provide heat dissipation space for the iron frame 21, so that the heat can be dissipated in time, thereby not affecting the use of the backlight module body 10.

[0033] Embodiment 2:

[0034] The difference between this embodiment and the first embodiment is that the heat dissipation layer 80 is different.

[0035] Reference Figure 2 In this embodiment, the heat dissipation layer 80 is a copper sheet, which is made of metal and has strong heat dissipation properties.

[0036] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A plastic-iron integrated backlight module that is easy to dissipate heat, characterized in that: include: A backlight module body (10), the backlight module body (10) comprising a glue-iron outer frame (20), the glue-iron outer frame (20) comprising an iron frame (21) and a glue frame (22) arranged behind the iron frame (21), a buckle (221) for connecting the two is arranged on the side of the glue frame (22) away from the iron frame (21), and a heat dissipation hole (222) for heat dissipation is opened on the side of the glue frame (22) away from the iron frame (21).

2. The heat dissipation-friendly plastic-iron integrated backlight module according to claim 1, characterized in that: There are a plurality of heat dissipation holes (222), and the plurality of heat dissipation holes (222) are evenly distributed in an area of ​​the glue frame (22) outside the buckle (221).

3. The heat dissipation-friendly plastic-iron integrated backlight module according to claim 2, characterized in that: A reflective film (30), a light guide plate (40) and an optical film (50) are arranged in sequence from bottom to top in the iron frame (21), and the iron frame (21) surrounds the reflective film (30), the light guide plate (40) and the optical film (50) on all sides.

4. The heat dissipation-friendly plastic-iron integrated backlight module according to claim 3, characterized in that: A rubber layer (60) is provided on the inner side of the iron frame (21) for contacting the reflective film (30), the light guide plate (40) and the optical film (50) respectively, and the rubber layer (60) is provided along the inner circumferential direction of the iron frame (21).

5. The heat dissipation-friendly plastic-iron integrated backlight module according to claim 4, characterized in that: The optical film (50) comprises a first brightness enhancement film (51), a diffusion film (52) and a second brightness enhancement film (53) which are arranged in sequence from bottom to top.

6. The heat dissipation-friendly plastic-iron integrated backlight module according to claim 5, characterized in that: An LED lamp (70) for providing a light source is arranged on one side of the light guide plate (40).

7. The heat dissipation-friendly plastic-iron integrated backlight module according to claim 6, characterized in that: A heat dissipation layer (80) for dissipating heat is provided on one side of the iron frame (21) facing the reflective film (30), and the heat dissipation layer (80) is adhered to the iron frame (21).

8. The heat dissipation-friendly plastic-iron integrated backlight module according to claim 7, characterized in that: The heat dissipation layer (80) is a graphite sheet.

9. The heat dissipating plastic-iron integrated backlight module according to claim 8, characterized in that: A heat-conductive double-sided adhesive (90) for connection and fixation is provided between the heat dissipation layer (80) and the iron frame (21).

10. The heat dissipating plastic-iron integrated backlight module according to claim 7, characterized in that: The heat dissipation layer (80) is a copper sheet.

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