Backlight module easy to install and clamp

Abstract

The utility model discloses a backlight module easy to install and clamp, which comprises a sky side end and a ground side end, and sequentially comprises a liquid crystal panel, a diaphragm group, a glass light guide plate, reflecting paper and a back plate from front to back, a light bar is further arranged at the ground side end of the backlight module, and the light emitting end of the light bar is attached to the glass light guide plate; an F-shaped frame is further arranged at the sky side end of the backlight module; the F-shaped frame comprises a side face fixing part, a first supporting part and a second supporting part, the first supporting part, the side face fixing part and the second supporting part define a first embedding part, and the sky side ends of the membrane set, the glass light guide plate and the reflection paper are embedded into the first embedding part; the second supporting part and the side surface fixing part form a second embedding part; and the sky side end of the liquid crystal panel is embedded into the second embedding part. According to the utility model, the design of screws and buckles is not needed, so that materials and procedures are saved, and the universal product form of the backlight source is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of side-entry backlight modules, in particular to an easy-to-install backlight module. Background Art

[0002] All display products such as monitors and televisions are constantly improving their pursuit of product appearance while pursuing display effects and performance. Exquisite appearance, low cost and convenient maintenance have become one of the topics of continuous exploration and research. Currently, the existing backlight modules all have a back panel or rear shell as the main structure.

[0003] The original display products are generally composed of back panels, fixed structural parts, light-emitting lamps, reflective sheets, light guide plates, film series, middle frames, liquid crystal glass, front frames and other structural parts stacked together. There are front frames, middle frames and other structural parts on both the sky side and the ground side, resulting in a thicker overall thickness. In the prior art, CN209656927U discloses a light guide structure, a side-entry backlight module, a liquid crystal module and an electronic display device. By integrating the light guide plate and the reflective sheet into one piece, the installation difficulty and possible damage to the light guide plate and the reflective sheet during the installation process are reduced. However, the structure also has many layers. In addition to the integrated structure of the light guide plate and the reflective sheet, other main parts need to be considered during installation. Similarly, its backlight material can only be assembled from the inside of the machine, which is troublesome to operate and easy to damage functional parts such as the liquid crystal panel, and the overall strength is relatively soft. Utility Model Content

[0004] The utility model aims to overcome at least one defect of the above-mentioned prior art and provide a backlight module that is easy to install and snap-fit, so as to achieve the purpose of high installation stability and compact structure.

[0005] The utility model provides a backlight module that is easy to install and snap-fit, comprising a top side end and a bottom side end, and comprising a liquid crystal panel, a diaphragm group, a glass light guide plate, a reflective paper and a back plate in sequence from front to back; a light bar is also provided at the bottom side end of the backlight module, and the light-emitting end of the light bar is attached to the glass light guide plate; an F-shaped frame is also provided at the top side end of the backlight module; the F-shaped frame comprises a side fixing portion, a first supporting portion and a second supporting portion, the first supporting portion, the side fixing portion and the second supporting portion are combined to form a first embedding portion, the top side end of the diaphragm group, the glass light guide plate and the reflective paper are embedded in the first embedding portion, and the second supporting portion and the side fixing portion form a second embedding portion; the top side end of the liquid crystal panel is embedded in the second embedding portion.

[0006] The backlight module of the utility model is assembled by bonding a diaphragm group, a glass light guide plate and a reflective paper into a whole backlight component, wrapping an iron back plate and the backlight component, engaging them in an F-shaped frame slot, and then attaching the front liquid crystal panel to realize the overall assembly. The utility model is convenient and quick, and no other fixing structure is required in the middle. The overall thickness is small and the disassembly and assembly cost is low.

[0007] Furthermore, the second supporting portion is perpendicular to the side fixing portion, and an angle between the first supporting portion and the side fixing portion is α, wherein 60°<α<90°.

[0008] Since the side end is not the main force-bearing end, it mainly plays the role of fastening and limiting. The first support part of the utility model design forms a certain angle with the side fixing part, so that the first support part forms a hook structure, which improves the stability of the support structure and can make the membrane group, glass light guide plate and reflective paper embedded inside it fit more tightly, avoiding the existence of surplus space and causing internal looseness. The angle of the preferred design is less than 90 degrees and greater than 60 degrees. Considering the rationality of the internal space of the first embedded part, it is necessary to ensure space while avoiding the looseness of the internal structure due to too much space. More preferably, the angle of α is 80~85°, and the first support part has a certain elasticity relative to the side fixing part, so that the backlight assembly can be clamped in it.

[0009] Furthermore, the diameter of the first support portion decreases uniformly from the connection end with the side fixing portion to the other end. The top of the first support portion is thinner, and the connection end is thicker. The thicker connection end makes the overall structure more stable. The thinner top makes the structure lighter and the angle clearer, hooking the internal backlight assembly, with higher stability, and at the same time, the space of the first embedded portion formed will be larger.

[0010] Preferably, a double-sided foam adhesive is provided between the second supporting portion and the liquid crystal panel for bonding and fixing the second supporting portion and the liquid crystal panel.

[0011] Furthermore, the back plate is an iron back plate, and the ground side end of the back plate surrounds the light bar to form a heat dissipation space. The utility model combines the back plate and the radiator into one, and the iron back plate serves as a supporting structure and also plays a role in heat dissipation, making the overall structure simpler and the cost lower.

[0012] Furthermore, the back panel includes a back support portion, a first heat dissipation portion and a second heat dissipation portion; the back support portion and the first heat dissipation portion are integrally formed, the first heat dissipation portion protrudes toward the back, and the second heat dissipation portion protrudes toward the front, and the upper and lower ends of the light bar are respectively attached to the first heat dissipation portion and the second heat dissipation portion.

[0013] In order to improve the heat dissipation efficiency of the light bar, the first heat dissipation portion and the second heat dissipation portion of the utility model respectively protrude in the opposite direction of the light bar to form a larger heat dissipation space.

[0014] Furthermore, a front panel frame is provided on the front side of the ground side of the liquid crystal panel, and the front panel frame serves to assist in fixing the liquid crystal panel.

[0015] Furthermore, a decorative film having a decorative function is provided at the ground side end of the backlight module, and the decorative film is provided between the reflective paper and the first supporting portion.

[0016] The utility model designs a new backlight source structure of an F-shaped frame clamping iron back plate and a glass light guide plate structure, uses a glass light guide plate and an OC handle as the main structure, and a small plastic back shell as the appearance structure, uses an F-card slot to clamp the iron back plate, the glass light guide plate and the diaphragm, and then fits the liquid crystal panel into the first embedding part and the second embedding part formed by the F-shaped frame, thereby changing the existing backlight method. The utility model does not need to use screws and buckle designs as a whole, which not only saves materials and processes, but also realizes a universal product form of the backlight source, and can be applied to the display product design of all side-lit backlight modules.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model realizes that in the traditional edge-lit backlight display product, a backlight source structure is realized without screws and hook structures, a glass light guide plate is used as the main structure, an iron back plate and a diaphragm are wrapped and snapped into the F frame slot, and then the liquid crystal panel is attached, so that the whole machine structure is ultra-thin, low-cost, beautiful in appearance, and easy to automate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The figure is a schematic diagram of the overall assembly of the backlight module of the present invention.

[0020] Figure 2 It is a structural schematic diagram of the F-shaped frame of the backlight module of the utility model.

[0021] Figure 3 It is a schematic diagram of the enlarged structure of the installation of the F-shaped frame of the backlight module of the utility model.

[0022] Figure 4 It is a schematic diagram of the installation structure of the day side end of the backlight module of the utility model. DETAILED DESCRIPTION

[0023] The drawings in the embodiments provide a more detailed description of the technical solutions in the embodiments of the utility model. In the drawings, the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The described embodiments are part of the embodiments of the utility model, not all of them. The embodiments described below with reference to the drawings are exemplary and are intended to be used to explain the utility model, and should not be construed as limitations on the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. The embodiments of the utility model are described in detail below in conjunction with the drawings.

[0024] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0025] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0026] Example

[0027] This embodiment provides a backlight module that is easy to install and snap on. Figure 1 As shown, it includes a sky side end 100 and a ground side end 200, and includes a liquid crystal panel 1, a film group 2, a glass light guide plate 3, a reflective paper 4, and a back plate 5 from the front to the back; the ground side end 200 of the backlight module is also provided with a light bar 6, and the light-emitting end of the light bar 6 is attached to the glass light guide plate 3; the sky side end 100 of the backlight module is also provided with an F-shaped frame 7; combined Figures 2-3As shown, the F-shaped frame 7 includes a side fixing portion 71, a first supporting portion 72 and a second supporting portion 73. The first supporting portion 72, the side fixing portion 71 and the second supporting portion 73 are enclosed to form a first embedding portion 10. The sky side end 100 of the diaphragm group 2, the glass light guide plate 3 and the reflective paper 4 is embedded in the first embedding portion 10. The second supporting portion 73 and the side fixing portion 71 form a second embedding portion 20. The sky side end of the liquid crystal panel 1 is embedded in the second embedding portion 20. First, the diaphragm group 2, the glass light guide plate 3 and the reflective paper 4 are bonded to form a whole backlight assembly. After wrapping the iron back plate and the backlight assembly, they are engaged in the card slot of the F-shaped frame 7, and then the front liquid crystal panel 1 is attached to realize the overall assembly. It is convenient and quick, and no other fixing structure is required to be sandwiched in the middle. The overall thickness is small, and the disassembly and assembly cost is low. Figure 4 As shown, the front side of the liquid crystal panel 1 is also provided with a patch front frame 8, combined with Figure 3 As shown, a double-sided foam adhesive 9 is provided between the second supporting portion 73 and the liquid crystal panel 1 for achieving the bonding and fixing of the second supporting portion 73 and the liquid crystal panel 1. Figure 3 As shown, the ground side end 200 of the backlight module is further provided with a decorative film 30 for decoration, and the decorative film 30 is provided between the reflective paper 4 and the first supporting portion 72 .

[0028] Combination Figure 2 As shown, in this embodiment, the second supporting portion 73 is perpendicular to the side fixing portion 71, and the angle α between the first supporting portion 72 and the side fixing portion 71 is 83°. In another embodiment of the present utility model, α is 85° or 80°. The diameter of the first supporting portion 72 decreases uniformly from the connection end with the side fixing portion 71 to the other end.

[0029] As shown, the back plate 5 is an iron back plate, and the ground side end 200 of the back plate 5 surrounds the light bar 6 to form a heat dissipation space. The back plate 5 includes a back support portion 51, a first heat dissipation portion 52, and a second heat dissipation portion 53; the back support portion 51 and the first heat dissipation portion 52 are integrally formed, the first heat dissipation portion 52 protrudes to the back, and the second heat dissipation portion 53 protrudes to the front, and the upper and lower ends of the light bar 6 are respectively attached to the first heat dissipation portion 52 and the second heat dissipation portion 53.

[0030] The above embodiments are only used to illustrate the technical solution of the utility model and are not intended to limit it. Although the utility model is described in detail with reference to the above preferred embodiments, those skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model. Those skilled in the art can also make other changes within the spirit of the utility model and apply them to the design of the utility model, as long as they do not deviate from the technical effects of the utility model. These changes made according to the spirit of the utility model should be included in the scope of protection claimed by the utility model.

Claims

1. An easily installed and snap-fitted backlight module, comprising a sky side end (100) and a ground side end (200), characterized in that: It comprises, from front to back, a liquid crystal panel (1), a film group (2), a glass light guide plate (3), a reflective paper (4) and a back plate (5); a light bar (6) is also provided at the ground side end (200) of the backlight module, and the light-emitting end of the light bar (6) is attached to the glass light guide plate (3); The sky side end (100) of the backlight module is also provided with an F-shaped frame (7); the F-shaped frame (7) comprises a side fixing portion (71), a first supporting portion (72) and a second supporting portion (73); the first supporting portion (72), the side fixing portion (71) and the second supporting portion (73) are enclosed to form a first embedding portion (10); the sky side end (100) of the diaphragm group (2), the glass light guide plate (3) and the reflective paper (4) is embedded in the first embedding portion (10); the second supporting portion (73) and the side fixing portion (71) form a second embedding portion (20); the sky side end of the liquid crystal panel (1) is embedded in the second embedding portion (20).

2. The backlight module according to claim 1, characterized in that: The second supporting portion (73) is perpendicular to the side fixing portion (71), and the angle between the first supporting portion (72) and the side fixing portion (71) is α, wherein 60°<α<90°.

3. The backlight module according to claim 1, characterized in that: The diameter of the first supporting portion (72) decreases uniformly from the end connected to the side fixing portion (71) to the other end.

4. The backlight module according to claim 1, characterized in that: A double-sided foam adhesive (9) is provided between the second supporting portion (73) and the liquid crystal panel (1).

5. The backlight module according to claim 1, characterized in that: The back plate (5) is an iron back plate, and the ground side end (200) of the back plate (5) encloses the light bar (6) to form a heat dissipation space.

6. The backlight module according to claim 5, characterized in that: The back plate (5) comprises a back support portion (51), a first heat dissipation portion (52) and a second heat dissipation portion (53); the back support portion (51) and the first heat dissipation portion (52) are integrally formed, the first heat dissipation portion (52) protrudes toward the back, and the second heat dissipation portion (53) protrudes toward the front, and the upper and lower ends of the light bar (6) are respectively attached to the first heat dissipation portion (52) and the second heat dissipation portion (53).

7. The backlight module according to claim 1, characterized in that: A patch front frame (8) is also provided on the front side of the ground side end (200) of the liquid crystal panel (1).

8. The backlight module according to claim 1, characterized in that: The ground side end (200) of the backlight module is also provided with a decorative film (30), and the decorative film (30) is provided between the reflective paper (4) and the first supporting portion (72).

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