A kind of ultrathin backlight module and touch one-piece machine based on it
Technical field
The invention belongs to display device field, relate to a kind of touch one-piece machine, be specifically related to a kind of ultrathin backlight module and touch one-piece machine based on it.
Background technology
Fig. 1 is the structural representation of existing a kind of touch one-piece machine, it includes all-in-one body 1 ' and is arranged on the plastics back cover 2 ' playing fixation on all-in-one body 1 ', add the thickness of product the most undoubtedly, be not inconsistent with the development trend of current touch one-piece machine ultrathin.The more important thing is, existing all-in-one body 1 ' is as in figure 2 it is shown, it includes backlight module 11 ', Liquid crystal module 12 ' and touches assembly 13 '.Backlight module 11 ' is conventional structure, it includes the reflector plate 111 ' being cascading, light guide plate 112 ' and blooming piece 113 ', is arranged on the light source 115 ' of light guide plate 112 ' side, is used for installing light source 115 ' and the L-shaped fixed support 114 ' of end face and is arranged at the glue frame 116 ' of blooming piece 113 ' side, the part-structure of fixed support 114 ' is located close to the side of reflector plate 111 ', and the part-structure of glue frame 116 ' then extends to fixed support 114 ' outside and fixed support 114 ' is covered by glue frame 116 '.Liquid crystal module 12 ' then includes the liquid-crystalline glasses 122 ' being arranged at glue frame 116 ' outside, it is fixed on the pcb board 123 ' in fixed support 114 ' outside, for connecting the IC circuit 121 ' of liquid-crystalline glasses 122 ' and pcb board 123 ', contact with IC circuit 121 ' and be positioned at the module backboard 125 ' outside fixed support 114 ', one end contacts with liquid-crystalline glasses 122 ' and the other end extend to the backlight of module backboard 125 ' side before frame 124 ' and match with frame before backlight 124 ' and be positioned at the outward appearance backboard 126 ' in module backboard 125 ' outside.Touch the touch screen 132 ' between frame 124 ' before assembly 13 ' includes the housing 131 ' matched with outward appearance backboard 126 ' and is arranged on housing 131 ' and backlight.As can be seen here, existing touch one-piece machine structure is complicated, and parts kind and quantity are more, needs to carry out installing by means of the parts such as adhesive tape, screw to fix;And the thickness that such structure makes backlight module 11 ' and Liquid crystal module 12 ' reaches about 20mm, and the thickness of whole touch one-piece machine reaches 50mm, cause that touch one-piece machine product weight is heavier, product thickness is thicker, relatively costly, frame is wider and modular structure is complicated, be difficult to design the all-in-one scheme of beautiful outward appearance and low cost.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art to provide a kind of ultrathin backlight module.
For reaching above-mentioned purpose, the technical solution used in the present invention is: a kind of ultrathin backlight module, and it includes:
Propping up support component, described support component includes framework and the backboard matched with described framework, forms accommodation space between described framework and described backboard;
Light guide plate assembly, described light guide plate assembly is arranged in described accommodation space, and it includes the reflecting layer, light guide plate and the blooming piece that are cascading and the light source corresponding with described light guide plate incidence surface;
Liquid crystal module, described Liquid crystal module is arranged in described accommodation space.
Optimally, described light source is arranged on the side of described light guide plate by lamp bar support, and described lamp bar support is a part of, and and described backboard fixes and other parts extend to be connected with described blooming piece through the side of described light guide plate assembly.
Optimally, described light guide plate and described reflecting layer are wholely set, for pad pasting glass light guide plate.
Further, the end face of described lamp bar support is Z-shaped.
A further object of the present invention is to provide a kind of touch one-piece machine, and it includes any one above-mentioned ultrathin backlight module.
Optimally, the surface of described framework offers the first concave part being connected with described accommodation space, is provided with touch screen in described first concave part.
Owing to technique scheme is used, the present invention compared with prior art has the advantage that ultrathin backlight module of the present invention, by using particular support assembly, light guide plate assembly and Liquid crystal module to coordinate, the goods, materials and equipments quantity used is significantly reduced, the reduction of its thickness it is capable of so that the thickness of light guide plate assembly and Liquid crystal module is down to about 6mm while reducing cost;Finally achieve the ultrathin design of touch one-piece machine so that it is thickness is down to about 25mm.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of existing touch one-piece machine;
Accompanying drawing 2 is the part-structure schematic diagram of existing touch one-piece machine;
Accompanying drawing 3 is the structural representation of ultrathin backlight module of the present invention;
Accompanying drawing 4 is the structural representation of inventive touch all-in-one;
Wherein, 1 ', all-in-one body;11 ', backlight module;111 ', reflector plate;112 ', light guide plate;113 ', blooming piece;114 ', fixed support;115 ', light source;116 ', glue frame;12 ', Liquid crystal module;121 ', IC circuit;122 ', liquid-crystalline glasses;123 ', pcb board;124 ', frame before backlight;125 ', module backboard;126 ', outward appearance backboard;13 ', assembly is touched;131 ', housing;132 ', touch screen;2 ', plastics back cover;1, ultrathin backlight module;11, light guide plate assembly;111, light guide plate;112, blooming piece;113, reflecting layer;114, lamp bar support;115, light source;12, Liquid crystal module;121, liquid crystal display screen;122, pcb board;123, IC circuit;13, support component is propped up;131, framework;132, backboard;133, accommodation space;134, the first concave part;2, touch screen.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is further described.
Embodiment 1
Ultrathin backlight module as shown in Figure 3, mainly includes light guide plate assembly 11, Liquid crystal module 12 and a support component 13.
Wherein, prop up support component 13 and include framework 131 and backboard 132, backboard 132 match with framework 131 and corresponding lid in framework 131, make to be formed between framework 131 and backboard 132 accommodation space 133 owing to framework 131 has groove in the side corresponding with backboard 132.
Light guide plate assembly 11 is arranged in accommodation space 133, its structure can use for reference the structure of existing light guide plate assembly, it includes the reflecting layer 113 being cascading, light guide plate 111 and blooming piece 112(light guide plate 111 and reflecting layer 113 can be wholely set, such as pad pasting glass light guide plate, advantageously reduce thickness) and the light source 115 corresponding with light guide plate 111, light guide plate 111 is generally of incidence surface, exiting surface and reflective surface, in the present embodiment, light guide plate 111 has the exiting surface contacted with blooming piece 112, the reflective surface that contacts with reflecting layer 113 and the incidence surface before being positioned at them, light source 115(is typically LED) corresponding with the incidence surface of light guide plate 111.In light guide plate assembly 11, near backboard 132, blooming piece 112 deviates from backboard 132 in reflecting layer 113.Light source 115 is generally arranged on the side of light guide plate 111 by lamp bar support 114;Lamp bar support 114 part fixes with backboard 132 and other parts extend to be connected with blooming piece 112 through the side of light guide plate assembly 11.In the present embodiment, lamp bar support 114 has the first fixed part, the second fixed part and connects the first fixed part and the connecting portion of the second fixed part;First fixed part fixes with backboard 132, and the second fixed part fixes with the surface (typically upper surface) of blooming piece 112, and such first fixed part is generally paralleled with the second fixed part;Connecting portion, in the side of light guide plate 111, is used for installing light source 115;Angle between connecting portion and the first fixed part or the second fixed part is 45 ~ 90 °, and (optimum is 90 °, so not only improve installation light source 115, it is also beneficial to save space thus improves space availability ratio) so that the end face of lamp bar support 114 is Z-shaped (the most Z-shaped).
Liquid crystal module 12 is existing conventional structure, including liquid crystal display screen 121, pcb board 122 and IC circuit 123, can directly buy commercially available;It is also mounted in accommodation space 133.In existing ultrathin backlight modular structure, on the one hand need to use glue frame 116 ' to cover light guide plate assembly 11;On the other hand liquid-crystalline glasses 122 ' and pcb board 123 ' lay respectively at the both sides of light guide plate assembly 11, need to be fixed before backlight on frame 124 ' by means of screw, and structure is complicated, parts are many.And in the present embodiment, liquid crystal display screen 121 is directly fixed in framework 131 by glue and is located between framework 131 and blooming piece 112, without being screwed, eliminate the structural member such as frame, screw before glue frame, module;Pcb board 122 and liquid crystal display screen 121 are positioned at the homonymy of light guide plate assembly 11, and it is connected with liquid crystal display screen 121 and fixes, presses close to the inner surface of framework 131.Due to the existing ultrathin backlight module thickness thickness of backlight module 11 ' and Liquid crystal module 12 ' (reality be) usually 20mm, and the thickness of whole touch one-piece machine reaches 50mm;And use the structure in the present embodiment that its thickness can be made to be reduced to about 6mm, and the thickness of whole touch one-piece machine is down to about 25mm, complete machine thickness reduces by more than 50%, it is achieved that touch one-piece machine, especially the ultrathin of backlight module.
Embodiment 2
Touch one-piece machine as shown in Figure 4, it includes the ultrathin backlight module 1 in embodiment 1 and touch screen 2.In order to reduce the thickness of touch one-piece machine, the first concave part 134 can be offered on the surface (upper surface in Fig. 4) of framework 131, first concave part 134 is connected with accommodation space 133, so directly touch screen 2 is fixed in the first concave part 134 by glue, avoid using extra aluminum frame, thickness can either be reduced and can reduce materials and reduce cost again.
Above-described embodiment is only for technology design and the feature of the explanation present invention; its object is to allow person skilled in the art will appreciate that present disclosure and to implement according to this; can not limit the scope of the invention with this; all equivalence changes made according to spirit of the invention or modification, all should contain within protection scope of the present invention.