Side light type backlight module

Abstract

The utility model discloses a side light type backlight module. The side light type backlight module comprises a sky side end and a ground side end, the backlight module sequentially comprises a liquid crystal panel, a diaphragm, a glass light guide plate, reflective paper, a radiator and a back plate, a light bar is arranged at the ground side end of the glass light guide plate; a frame is further arranged on the outer side of the lamp strip. The radiator is in a plate shape, the ground side end of the radiator surrounds the lamp strip, and the tail end of the radiator is attached to the glass light guide plate. The back plate is integrally formed, extends from the side edge of one end of the side light type backlight module to the side edge of the other end of the side light type backlight module and is pasted and fixed to the frame. The novel backlight source structure with the plastic frame clamped with the iron back plate and the glass light guide plate is designed, the glass light guide plate and the liquid crystal panel are used as main body structures, the integrated plastic back plate is used as an appearance structure, and the radiator, the glass light guide plate and the diaphragm are clamped through the plastic clamping grooves. The liquid crystal panel is attached to the plastic clamping groove, an existing backlight mode is changed, and materials and working procedures are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of backlight modules, in particular to a side-light 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. The current backlight modules all have a set of back panels as the main structure. The backlight materials can only be assembled from the inside of the machine, which requires screws and buckles to fix. The overall strength is relatively soft and the stability is poor. Utility Model Content

[0003] The utility model aims to overcome at least one defect of the above-mentioned prior art and provide a side-lit backlight module to achieve the purpose of convenient installation and high stability.

[0004] The utility model discloses an edge-lit backlight module, comprising a top-side end and a bottom-side end; comprising a liquid crystal panel, a diaphragm, a glass light guide plate, reflective paper, a radiator and a back plate in sequence; a light bar is arranged at the bottom-side end of the glass light guide plate; a frame is also arranged on the outside of the light bar; the radiator is in the shape of a plate, the bottom-side end of the radiator surrounds the light bar, and the end is attached to the glass light guide plate; the back plate is integrally formed, extends from one side edge of the edge-lit backlight module to the other side edge, and is attached and fixed to the frame.

[0005] Furthermore, the day-side end is also provided with a plastic card slot; the plastic card slot is S-shaped, one end of which is embedded between the liquid crystal panel and the membrane; and the other end is provided between the heat sink and the back plate.

[0006] In traditional edge-lit backlight display products, they are generally composed of a back panel, fixed structural parts, light-emitting lamps, reflective sheets, light guide plates, diaphragm series, middle frames, liquid crystal glass, and front frames; while the back panel of the present invention is a large plastic back panel, which is an integrated structure, and the core invention of the present invention is that the present invention uses an S-shaped plastic card slot, which can engage the heat sink, the glass light guide plate and the diaphragm, and then the liquid crystal panel is attached to the plastic card slot, and can be fixed to the plastic back panel, thus changing the existing backlight method without the need to use screws and buckle designs, 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 edge-lit backlight modules.

[0007] Furthermore, a hook is provided at the sky side end of the back panel; the plastic card slot includes an integrally formed embedded section, a first bending section, a second bending section, a third bending section and a back-hook section; the embedded section is arranged between the liquid crystal panel and the membrane; the first bending section is attached to the side edge of the sky side end of the edge-lit backlight module; the second bending section is attached to the radiator; the third bending section is perpendicular to the radiator; the back-hook section is detachably connected to the hook.

[0008] The plastic card slot of the utility model is an integrally formed structure, which is convenient for disassembly and assembly through the hanging mode of the hook and the return hook, and can fix various modules together without screws, so that the assembly is more convenient and the cost is lower.

[0009] Furthermore, a double-sided foam adhesive is provided between the embedding section and the liquid crystal panel, so that the plastic card slot and the liquid crystal panel are fixed by gluing, so that the connection between the structural parts is tighter, the overall structure is more compact, and the space occupied is small.

[0010] Furthermore, the edge-lit backlight module of the utility model also includes a patch front frame arranged at the side end of the ground, and a card slot is provided at the end of the back panel. One end of the patch front frame is adhered to the card slot; the other end is adhered to the surface of the liquid crystal panel to achieve synchronous fixation of the liquid crystal panel and the back panel.

[0011] Furthermore, the radiator is provided with a rectangular heat dissipation space between the reflective paper and the back plate, and the rectangular heat dissipation space is connected to the installation space of the light bar. The rectangular heat dissipation space makes full use of the accommodation space inside the back plate, which is convenient for the heat dissipation of the light bar, and also increases the coverage surface area of ​​the radiator, so that the heat dissipation is more sufficient. Preferably, the radiator of the utility model is an iron plate, which assists in heat dissipation and has a certain supporting effect, increases the hardness of the internal structure, and has higher stability.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model designs a new type of backlight source structure with a plastic frame clamping an iron back plate and a glass light guide plate structure, uses a glass light guide plate and a liquid crystal panel as the main structure, and an integrated plastic back plate as the appearance structure, uses a plastic card slot to clamp a heat sink, a glass light guide plate and a diaphragm, and then attaches the liquid crystal panel to the plastic card slot, thereby changing the existing backlight method and eliminating the need to use screws and buckle designs. It saves materials and processes and realizes a universal product form for the backlight source, and can be applied to the display product design of all side-lit backlight modules. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall cross-sectional structure of the edge-lit backlight module of the utility model.

[0015] Figure 2 The utility model is a schematic diagram of the side end cross-sectional structure of the edge-lit backlight module.

[0016] Figure 3 The utility model is a schematic diagram of the side-end cross-sectional structure of the edge-lit backlight module. DETAILED DESCRIPTION

[0017] 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.

[0018] 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.

[0019] 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.

[0020] Example

[0021] This embodiment protects an edge-lit backlight module, including a sky-side end 10 and a ground-side end 20; Figure 2As shown, it includes a liquid crystal panel 1, a diaphragm 2, a glass light guide plate 3, a reflective paper 4, a heat sink 5 and a back plate 6 in sequence; a light bar 7 is provided at the ground side end of the glass light guide plate 3; a frame 8 is also provided on the outside of the light bar 7; the heat sink 5 is an iron back plate in the shape of a plate, the ground side end of the heat sink 5 surrounds the light bar 7, and the end is attached to the glass light guide plate 3, and the heat sink 5 is also provided with a rectangular heat dissipation space 30 between the reflective paper 4 and the back plate 6, and the rectangular heat dissipation space 30 is connected to the installation space of the light bar 7. The back plate 6 is integrally formed, extending from one end side of the edge-lit backlight module to the other end side and is attached to the frame 8.

[0022] Combination Figure 3 As shown, the top side end is also provided with a plastic card slot 9; the plastic card slot 9 is S-shaped, one end of which is embedded between the liquid crystal panel 1 and the diaphragm 2; and the other end is provided between the heat sink 5 and the back plate 6. In the utility model, the top side end of the back plate 6 is provided with a hook 40; the plastic card slot 9 includes an integrally formed embedding section 91, a first bending section 92, a second bending section 93, a third bending section 94 and a back hook section 95; the embedding section 91 is provided between the liquid crystal panel 1 and the diaphragm 2; the first bending section 92 is attached to the side edge of the top side end of the edge-lit backlight module to form a structure that encloses the side edge; and the outer side is then enclosed and fixed by the back plate 6. Therefore, the embedding section 91, the first bending section 92, and the second bending section 93 enclose and fix the diaphragm 2, the glass light guide plate 3, the reflective paper 4, and the heat sink 5. The second bending section 93 is in contact with the radiator 5 ; the third bending section 94 is perpendicular to the radiator 5 ; and the hook section 95 is detachably connected to the hook 40 .

[0023] Combination Figures 2-3 As shown, a double-sided foam adhesive 50 is further provided between the embedding section 91 and the liquid crystal panel 1. The plastic card slot 9 and the liquid crystal panel 1 are fixed by the double-sided foam adhesive 50. The edge-lit backlight module of the utility model further includes a patch front frame 60 provided at the ground side end, a card slot 62 is provided at the end of the back plate 6, one end of the patch front frame 60 is adhered to the card slot 62; the other end is adhered to the surface of the liquid crystal panel 1, so as to achieve synchronous fixation of the liquid crystal panel 1 and the back plate 6.

[0024] 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 edge-lit backlight module, characterized in that: It comprises a sky side end and a ground side end; and it comprises a liquid crystal panel (1), a membrane (2), a glass light guide plate (3), a reflective paper (4), a heat sink (5) and a back plate (6) in sequence; A light bar (7) is provided at the ground side end of the glass light guide plate (3); a frame (8) is also provided on the outer side of the light bar (7); The heat sink (5) is in the shape of a plate, the ground side end of the heat sink (5) surrounds the light bar (7), and the end is attached to the glass light guide plate (3); The back plate (6) is integrally formed, extends from one side edge of the edge-lit backlight module to the other side edge, and is adhered and fixed to the frame (8).

2. The edge-lit backlight module according to claim 1, characterized in that: The sky side end is also provided with a plastic card slot (9); the plastic card slot (9) is S-shaped, with one end embedded between the liquid crystal panel (1) and the film (2); and the other end provided between the heat sink (5) and the back plate (6).

3. The edge-lit backlight module according to claim 2, characterized in that: The back plate (6) is provided with a hook (40) at the top side end; the plastic card slot (9) comprises an integrally formed embedding section (91), a first bending section (92), a second bending section (93), a third bending section (94) and a hook-back section (95); the embedding section (91) is provided between the liquid crystal panel (1) and the film (2); the first bending section (92) is attached to the top side end of the edge-lit backlight module; the second bending section (93) is attached to the heat sink (5); the third bending section (94) is perpendicular to the heat sink (5); The return hook section (95) is detachably connected to the hook (40).

4. The edge-lit backlight module according to claim 3, characterized in that: A double-sided foam adhesive (50) is also provided between the embedding section (91) and the liquid crystal panel (1).

5. The edge-lit backlight module according to claim 1, characterized in that: It also includes a patch front frame (60) arranged at the ground side end, a card slot (62) is provided at the end of the back plate (6), one end of the patch front frame (60) is adhered to the card slot (62), and the other end is adhered to the surface of the liquid crystal panel (1).

6. The edge-lit backlight module according to claim 1, characterized in that: The heat sink (5) is also provided with a rectangular heat dissipation space (30) between the reflective paper (4) and the back plate (6), and the rectangular heat dissipation space (30) is connected to the installation space of the light bar (7).

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