CN208011367U - A kind of novel ultra-narrow frame backlight module - Google Patents

Abstract

The utility model discloses a kind of novel ultra-narrow frame backlight modules, center including backboard and metal material, light guide plate is equipped in the backboard, its dorsulum is with bottom plate and at least both sides of backboard and adjacent side is without side plate, the center has cyclic annular platform and bends downward the side frame of extension by cyclic annular platform periphery, two neighboring side frame forms a groove in the position at turning, and respective slot, the bottom plate be folded upward to form an angle wrapping structure, and the angle wrapping structure is realizing the positioning of light guide plate.By respective slot, one angle wrapping structure of bottom plate integrated injection molding, the angle wrapping structure is to be embodied as light guide plate positioning, and the setting of angle wrapping structure is the groove location using center, does not interfere with the narrow frame of backlight module.In addition, the thickness of the angle wrapping structure of integrated injection molding is thinner than bottom plate, angle wrapping structure is effectively prevent to generate interference effect to light guide plate.

Description

A kind of novel ultra-narrow frame backlight module

Technical field

The utility model is related to backlight technology fields, relate more specifically to a kind of novel ultra-narrow frame backlight module.

Background technology

As shown in Figure 1, existing backlight module generally comprises backboard 100, center 200 and be formed on backboard luminous group Part, light guide plate 400 and optical film etc., dorsulum have bottom plate 110 and are folded upward at the side plate of extension by 110 periphery of bottom plate 120, center has cyclic annular platform 210 and bends downward the side frame 220 of extension, side frame 220 and side plate 120 by 210 periphery of cyclic annular platform Snapping is fixed, then the thickness of backlight module frame be thickness+side plate 120 of side frame 220 thickness+side plate 120 and side frame 220 it Between gap（At least 0.1mm）.Further, in order to realize narrow frame, as shown in Fig. 2, existing conventional design is by side Plate removes, and uses tipping paper 300 instead and comes stationary backplate and center, then the thickness of backlight module frame is the thickness of tipping paper 300 （0.03-0.05mm）The thickness of+side frame 220, then the difference in thickness of narrow frame backlight module and common frame backlight module is side The thickness of gap-tipping paper 300 between the thickness+side plate 120 and side frame 220 of plate 120, realizes narrow frame design, but such as This will cause light guide plate not have positioning datum in assembly, need to position by auxiliary fixture in assembly.

Utility model content

In order to solve the deficiencies in the prior art, the utility model provides one kind and being easy to light guide plate positioning and will not be with Light guide plate generates the novel ultra-narrow frame backlight module of interference.

The utility model institute technique effect to be achieved is realized by following scheme：A kind of novel ultra-narrow frame backlight mould Group includes the center of backboard and metal material, light guide plate is equipped in the backboard, dorsulum has bottom plate and backboard is at least Without side plate, the center has cyclic annular platform and bends downward the side frame of extension, phase by cyclic annular platform periphery for both sides and adjacent side Adjacent two side frames form a groove in the position at turning, and respective slot, one angle wrapping structure of bottom plate integrated injection molding are described Angle wrapping structure is realizing the positioning of light guide plate.

Preferably, the side of the bottom plate, which is folded upward at, is extended with side plate, excess-three side without side plate, the side plate it is outer The inner wall snapping of side wall and side frame is fixed.

Preferably, the thickness of the angle wrapping structure is more thinner than bottom plate.

Preferably, the backlight module further includes the reflector plate being arranged in light guide plate lower face.

Preferably, the backlight module further includes the optical film group being arranged in light guide plate upper surface.

Preferably, the backlight module further includes the luminescence component for being correspondingly arranged at light guide plate side.

Preferably, the luminescence component is arranged on the madial wall of side plate.

Preferably, the optical film group includes diffusion barrier, brightness enhancement film and sunscreen film successively from the near to the distant apart from light guide plate.

Preferably, magnetic part is additionally provided in the light guide plate, the material of the backboard is the metal material attracting with magnetic part Matter, the backboard are fixed with light guide plate magnetic.

Preferably, the backlight module further includes tipping paper, and the bottom plate is also fixedly connected by tipping paper with side frame.

The utility model has the following advantages：

By respective slot, one angle wrapping structure of bottom plate integrated injection molding, the angle wrapping structure is being embodied as light guide plate Positioning, and the setting of angle wrapping structure is the groove location using center, does not interfere with the narrow frame of backlight module.In addition, one The thickness of the angle wrapping structure of injection molding is thinner than bottom plate, effectively prevent angle wrapping structure to generate interference to light guide plate and makees With.

Description of the drawings

Fig. 1 is the schematic structural cross-sectional view of common frame backlight module in the prior art；

Fig. 2 is the schematic structural cross-sectional view of narrow frame backlight module in the prior art；

Fig. 3 is the schematic structural cross-sectional view of narrow frame backlight module in the utility model；

Fig. 4 is the structural upright that the bottom plate of narrow frame backlight module in the utility model is connect with side frame at angle wrapping structure Schematic diagram；

Fig. 5 is the dimensional structure diagram of the backboard of narrow frame backlight module in the utility model.

Specific implementation mode

The utility model is described in detail with reference to the accompanying drawings and examples, the examples of the embodiments are in attached drawing In show, in which the same or similar labels are throughly indicated same or similar elements or with the same or similar functions Element.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the utility model, and cannot understand For limitations of the present invention.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair The limitation of the utility model.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu Calmly ", the terms such as " setting " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, can also be electrical connection；It can be directly connected, can also may be used also indirectly connected through an intermediary To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art, The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

As shown in Figure 3-Figure 5, the utility model embodiment provides a kind of novel ultra-narrow frame backlight module, including backboard 1 With the center 2 of metal material, the backboard 1 is interior to be equipped with light guide plate 3, and dorsulum 1 has at least both sides of bottom plate 11 and backboard 1 And adjacent side, without side plate 12, the center 2 has cyclic annular platform 21 and bends downward the side frame of extension by 21 periphery of cyclic annular platform 22, due to the limitation of Sheet Metal Forming Technology, the two neighboring side frame 22 does not accomplish the same height with side frame 22 in the position at turning, Therefore, two neighboring side frame 22 forms a groove 23, respective slot 23,11 integrated injection molding of the bottom plate in the position at turning One angle wrapping structure 13, the angle wrapping structure 13 position to be embodied as light guide plate 3, and the setting of angle wrapping structure 13 is to utilize center 2 23 position of groove, does not interfere with the narrow frame of backlight module, dual advantage.In addition, the angle wrapping structure 13 of integrated injection molding Thickness H it is thinner than the thickness H1 of bottom plate 11 because in order to keep heat dissipation performance more preferable, the thickness of bottom plate generally can be thicker （Such as 2.0mm）, and the border width of narrow frame backlight module is also 2.0mm, if it is directly by the cornerite of bottom plate bending forming Structure, then the thickness of angle wrapping structure and the thickness of bottom plate are with regard to consistent, and light guide plate can be made in this position when cornerite thickness is thicker Interference is generated, light guide plate can not be assembled normally, and for another example light guide plate is cut away a part to avoid interference and can cause to shine by fruit The effect in area is bad, as soon as therefore angle wrapping structure 13 can be made thinner using integrated injection molding angle wrapping structure 13, solve above-mentioned The guide-lighting plate problem.

Light guide plate 3 described in the utility model is at least one side as incidence surface and upper surface as light-emitting surface, institute It further includes the reflector plate 4 being arranged in 3 lower face of light guide plate to state backlight module, and 5 He of optical film group in 3 upper surface of light guide plate is arranged It is correspondingly arranged at the luminescence component of 3 side of light guide plate（It is not shown in figure）.The linear light source that luminescence component is sent out enters light guide plate 3 Interior formation area source, reflector plate 4 improve light the light for being incident to 3 lower face of light guide plate to be reflected back in light guide plate 3 Brightness, the area source of light guide plate 3, which projects to enter after optical film group 5 from the upper surface of light guide plate 3, forms light evenly again from light The upper surface for learning film group 5 is projected, to for the liquid crystal display panel above backlight module is arranged（It is not shown in figure）The back of the body is provided Light is shown.

Specifically, in conjunction with shown in Fig. 4, Fig. 5, the side of the bottom plate 11, which is folded upward at, is extended with side plate 12, excess-three side Without side plate 12, the lateral wall of the side plate 12 is fixed with the inner wall snapping of side frame 22 and then fixed entire backlight module, described Luminescence component is arranged on the madial wall of side plate 12.

The height of groove 23 described in the utility model and angle wrapping structure 13 can be corresponding, also can be according to actual production technique And other conditions make corresponding selection.

Optical film group described in the utility model 5 includes diffusion barrier 51, brightness enhancement film 52 successively from the near to the distant apart from light guide plate 3 With sunscreen film 53, the wherein material of sunscreen film 53 is to have in the prior art, can make the light reflection for being incident to backlight module It goes out, to achieve the purpose that protect diffusion barrier 51 and brightness enhancement film 52, prevents its deformation of fading.

As a further improvement, the material of the backboard 1 is preferred but is not limited to metal material.It is highly preferred that the back of the body Plate 1 is the aluminium sheet that surface has corundum layer.Wherein, the corundum layer is formed in aluminium frame surface by anode surface oxidation On, its hardness is controlled in 200 ~ 300HV, can further improve the stability and backlight effect of backlight module.

As a further improvement, be additionally provided with magnetic part 31 in the light guide plate 3, the material of the backboard 1 is and magnetic part 31 attracting metal materials, can also will be after the surface modification treatment of the aluminium frame（Such as plate Ni-P）Can in light guide plate 3 Magnetic part 31 is attracting, can further fix and light guide plate 3 is fixed on bottom plate 11.

Backlight module described in the utility model further includes tipping paper 6, and the bottom plate 11 also passes through tipping paper 6 with side frame 22 It is fixedly connected.

Finally, it should be noted that above example be only to illustrate the embodiment of the present invention technical solution rather than to its into Row limitation, although the embodiment of the present invention is described in detail with reference to preferred embodiment, those skilled in the art It should be understood that the technical solution of the embodiment of the present invention can be still modified or replaced equivalently, and these are changed or wait The range of modified technical solution disengaging technical solution of the embodiment of the present invention cannot also be made with replacement.

Claims (10)

1. a kind of novel ultra-narrow frame backlight module, which is characterized in that the center including backboard and metal material, in the backboard Equipped with light guide plate, dorsulum is with bottom plate and at least both sides of backboard and adjacent side is without side plate, and the center has ring Shape platform and the side frame that extension is bent downward by cyclic annular platform periphery, two neighboring side frame forms a groove in the position at turning, corresponding Groove, the bottom plate integrated injection molding have an angle wrapping structure, and the angle wrapping structure is realizing the positioning of light guide plate.

2. a kind of novel ultra-narrow frame backlight module as described in claim 1, which is characterized in that the side of the bottom plate is upward Bending is extended with side plate, and excess-three side is fixed without side plate, the lateral wall of the side plate and the inner wall snapping of side frame.

3. a kind of novel ultra-narrow frame backlight module as described in claim 1, which is characterized in that the thickness of the angle wrapping structure It is more thinner than bottom plate.

4. a kind of novel ultra-narrow frame backlight module as described in claim 1, which is characterized in that the backlight module further includes Reflector plate in light guide plate lower face is set.

5. a kind of novel ultra-narrow frame backlight module as described in claim 1, which is characterized in that the backlight module further includes Optical film group in light guide plate upper surface is set.

6. a kind of novel ultra-narrow frame backlight module as claimed in claim 2, which is characterized in that the backlight module further includes It is correspondingly arranged at the luminescence component of light guide plate side.

7. a kind of novel ultra-narrow frame backlight module as claimed in claim 6, which is characterized in that the luminescence component setting exists On the madial wall of side plate.

8. a kind of novel ultra-narrow frame backlight module as claimed in claim 5, which is characterized in that the optical film group distance is led Tabula rasa includes diffusion barrier, brightness enhancement film and sunscreen film successively from the near to the distant.

9. a kind of novel ultra-narrow frame backlight module as described in claim 1, which is characterized in that be additionally provided in the light guide plate The material of magnetic part, the backboard is the metal material attracting with magnetic part, and the backboard is fixed with light guide plate magnetic.

10. novel ultra-narrow frame backlight module as described in claim 1, which is characterized in that the backlight module further includes packet Side paper, the bottom plate are also fixedly connected by tipping paper with side frame.