The lamp tube guide connection structure of backlight module
Technical field
The utility model is about a kind of lamp tube guide connection structure Design, particularly about a kind of lamp tube guide connection structure of backlight module.
Background technology
Backlight module (Back light module) is one of key part and component of panel of LCD (LCD panel), because liquid crystal itself is not luminous, the function of backlight module promptly is well-off brightness and the light source that is evenly distributed, and makes its normally show image.The LCD panel now has been widely used in the electronic product of tool growth potentiality such as monitor, mobile computer, digital camera and projector, therefore the demand that drives backlight module and relevant spare part thereof continues to grow up, under the stimulation that panel is changed at a low price, with large scales such as mobile computer and LCD monitor panel demand maximum, be the major impetus source that the backlight module demand is grown up again.
With conventional art, backlight module normally with fluorescent tube as light source, and the two ends that are connected in this fluorescent tube with lead are as the function that imports power supply, and this kind mode usually must be with lead by fluorescent tube or be disposed at the outer reflector back side of fluorescent tube around to power circuit.
As No. 200717121 disclosed a kind of light tube assembly of TaiWan, China patent publication No., comprise at least one fluorescent tube, at least two fluorescent tube electric wires, a reflector and at least one light tube jacket.This fluorescent tube has two electrode tips.This two fluorescent tubes electric wire system is electrically connected at two electrode tips of this fluorescent tube respectively.This reflector is around this fluorescent tube, and has an opening, and reflecting the light of this fluorescent tube, and this reflector has at least one edge.This light tube jacket comprises a body and at least one fin, and wherein this body is arranged in this reflector, and has at least one through hole, and in order to holding the electrode tip of this fluorescent tube, and this fin is connected in this body, in order to coat the part edge of this reflector.
The disclosed a kind of light tube group of TaiWan, China patent M315839 and adopt the backlight module of this light tube group and for example, this light tube group comprises that at least one fluorescent tube, plural lead and of drawing from this lamp tube end are placed in the cramping body of this lamp tube end, this cramping body comprises a fixing end and a leading-out terminal, and this lead passes this fixing end and this leading-out terminal and quilt bending one angle in this leading-out terminal successively.This light tube group and adopt the backlight module of this light tube group can effectively cushion the suffered pulling force of this complex lead avoids the solder joint between this lead and this lamp tube end to get loose, and prevents that this lead from being broken, thereby guarantees the normal supply of the light source of this backlight module.
Yet, with conventional art, lead walked around fluorescent tube or be disposed at the backlight module light-source structure at the outer reflector back side of fluorescent tube, equipped complicated in process of producing product, produce the problem that can't reduce the panel of LCD volume simultaneously.Moreover, if during the damage of the fluorescent tube of backlight module light-source structure, in maintenance process, also can cause dismounting to be difficult for, more the person makes the facts of solder joint fracture of fluorescent tube and lead in the process of dismounting, this problem causes each tame manufacturer to be badly in need of the main points of solution already.
The utility model content
The purpose of this utility model is to provide a kind of lamp tube guide connection structure of backlight module, makes the fluorescent tube of backlight module more easy.
For achieving the above object, the lamp tube guide connection structure of the backlight module that the utility model provides, it comprises a conduction reflector and an at least one fluorescent tube, the reflector that wherein conducts electricity has a condenser groove, condenser groove is in order to ccontaining fluorescent tube, fluorescent tube has a high-pressure side and a low-pressure end, wherein high-pressure side is electrically connected at a high-voltage output end of a rectifier, the reflector that it is characterized in that conducting electricity is electrically connected at an earth terminal of rectifier, and at least one side of condenser groove is combined with a conductive plastics, conductive plastics has at least one inserting hole, for the low-pressure end grafting combination of fluorescent tube, makes the low-pressure end of fluorescent tube be electrically connected at conduction reflector and earth terminal.In its application examples, a kind of lamp tube guide connection structure of backlight module, it comprises a conductive frame and a plurality of fluorescent tube, wherein conductive frame has an accommodation space and a junction, accommodation space is in order to ccontaining fluorescent tube, fluorescent tube has a high-pressure side and a low-pressure end, wherein high-pressure side is electrically connected at a high-voltage output end of a rectifier, it is characterized in that conductive frame is electrically connected at an earth terminal of rectifier, and junction is combined with the plural conductive plastics, conductive plastics has at least one inserting hole, for the low-pressure end of fluorescent tube peg graft in conjunction with and be electrically connected at conductive frame and earth terminal.
The effect of the utility model contrast known technology:
Via the technological means that the utility model adopted, can be so that the lamp tube wire of backlight module be able in unrolling to power circuit from fluorescent tube or reflector, therefore the wire rod that solves known technology is in the complicated shortcoming of configuration, no matter be in the process of production, also or in the process of maintenance dismounting, simplify the convenience of assembling, and can reduce the panel of LCD volume simultaneously, and reach time saving and energy saving effect, further reach the effect that increases industrial utilization.
Description of drawings
Fig. 1 shows the three-dimensional exploded view of the utility model first embodiment;
Fig. 2 shows the stereogram of the utility model first embodiment;
Fig. 3 shows the stereogram of the utility model first embodiment, in order to show that the fluorescent tube connection lead structure is in conjunction with the schematic diagram of LGP as backlight module;
Fig. 4 shows the three-dimensional exploded view of the utility model second embodiment;
Fig. 5 shows the stereogram of the utility model the 3rd embodiment;
Fig. 6 shows the part amplification three-dimensional exploded view of the utility model the 3rd embodiment;
Fig. 7 shows the local amplification stereogram of the utility model the 3rd embodiment;
Fig. 8 shows the part amplification three-dimensional exploded view of the utility model the 4th embodiment;
Fig. 9 shows the sectional side view of the utility model the 4th embodiment, in order to show that conductive plastics is inserted in conductive frame;
Figure 10 shows the stereogram of the utility model the 5th embodiment.
Primary clustering symbol description in the accompanying drawing
100,100a, 200,200a, 200b lamp tube guide connection structure; 1 conduction reflector; 11 condenser grooves; 2 fluorescent tubes; 21 high-pressure sides; 22 low-pressure ends; 3,3a conductive plastics; 31 inserting holes; 32 clamping parts; 4 pedestals; 5 LGPs; 6 conduction iron backboards; 7 conductive frames; 71 accommodation spaces; 72 junctions; 721 connect terminal; 722 perforations; The G earth terminal; The H high-voltage output end; The I rectifier.
The specific embodiment
The specific embodiment that the utility model adopted will be further described by following examples and accompanying drawing.
Please consult Figure 1 and Figure 2 simultaneously, Fig. 1 shows the three-dimensional exploded view of the utility model first embodiment, and Fig. 2 shows the stereogram of the utility model first embodiment.As shown in the figure, the lamp tube guide connection structure 100 of the utility model backlight module comprises a conduction reflector 1, at least one fluorescent tube 2, a conductive plastics 3 and a pedestal 4.The reflector 1 that wherein conducts electricity has a condenser groove 11, and condenser groove 11 is in order to ccontaining fluorescent tube 2, with reflection and gather the light source that fluorescent tube 2 is sent.Fluorescent tube 2 has a high-pressure side 21 and a low-pressure end 22 respectively, wherein the high-pressure side 21 of fluorescent tube 2 is fixed in a side of the condenser groove 11 of conduction reflector 1 by pedestal 4, and be electrically connected at the high-voltage output end H of a rectifier I, the high-tension electricity that is provided with this rectifier of conducting I.In the present embodiment, the high-pressure side 21 of fluorescent tube 2 and low-pressure end 22 are a lamp seal wire, but also can adopt the fluorescent tube 2 of other various different sizes.
This conduction reflector 1 is electrically connected at the earth terminal G of rectifier I, and at least one side of condenser groove 11 is combined with a conductive plastics 3, conductive plastics 3 has at least one inserting hole 31, low-pressure end 22 grafting combinations for fluorescent tube 2, and the low-pressure end 22 of fluorescent tube 2 is different from the opposite side of the high-pressure side 21 of fluorescent tube 2 by the condenser groove 11 that conductive plastics 3 is fixed in conduction reflector 1, makes the low-pressure end 22 of fluorescent tube 2 be electrically connected at conduction reflector 1 and earth terminal G by conductive plastics 3.Conductive plastics 3 of the present utility model can adopt conductive rubber or other to have the glue class material of conduction property as basic material, therefore can in response to various dissimilar backlight modules or reflector changes its profile, and adopt the advantage of conductive plastics 3 to be and to connect lead in addition by the low-pressure end 22 of fluorescent tube 2, and can directly be connected to conduction reflector 1.
See also shown in Figure 3ly, it shows the stereogram of the utility model first embodiment, in order to show that the fluorescent tube connection lead structure is in conjunction with the schematic diagram of LGP as backlight module.As shown in the figure, the lamp tube guide connection structure 100 of the backlight module of first embodiment is incorporated into the both side edges of a LGP 5 and forms the backlight module of side-light type, LGP 5 is disposed at the reflection of conduction reflector 1 and assembles the optically focused place of the light source that fluorescent tube 2 sent, after assembling light source, conduction reflector 1 injects in the LGP 5, LGP 5 is directed at the astigmatic side of backlight module with light source, with as the light source that screen is provided.
See also shown in Figure 4ly, it shows the three-dimensional exploded view of the utility model second embodiment.As shown in the figure, composition and the action principle of the present embodiment and first embodiment are roughly the same, thus identical member represent with identical element numbers, repeat no more.Its difference also includes a conduction iron backboard 6 at the lamp tube guide connection structure 100a of the backlight module of present embodiment, be disposed at the one side of LGP 5 non-leaded lights, and be incorporated into the conduction reflector 1, make conduction reflector 1 be electrically connected at the earth terminal G of rectifier I, and rectifier I is incorporated into conduction iron backboard 6 by conduction iron backboard 6.Rectifier I is incorporated into conduction iron backboard 6 by sealed mode in the present embodiment, except that this mode, also can adopt other fixedly rectifier I in the mode of conduction iron backboard 6.Know that therefrom conduction reflector 1 can be connected the earth terminal G that lead can be electrically connected at rectifier I, more simplifies the member of backlight module.
Please consult Fig. 5, Figure 6 and Figure 7 simultaneously, Fig. 5 is the stereogram that shows the utility model the 3rd embodiment, Fig. 6 is that three-dimensional exploded view is amplified in the part that shows the utility model the 3rd embodiment, and Fig. 7 is the local amplification stereogram that shows the utility model the 3rd embodiment.As shown in the figure, the lamp tube guide connection structure 200 of the utility model backlight module comprises a conductive frame 7, a plurality of fluorescent tube 2 and a plurality of pedestal 4, wherein conductive frame 7 has an accommodation space 71 and a junction 72, accommodation space 71 is in order to ccontaining fluorescent tube 2 (consulting shown in Figure 5), fluorescent tube 2 has a high-pressure side 21 and a low-pressure end 22 (consulting shown in Figure 1), wherein high-pressure side 21 is fixed in a side of the accommodation space 71 of conductive frame 7 by pedestal 4, and is electrically connected at the high-voltage output end H of a rectifier I.
Conductive frame 7 is electrically connected at the earth terminal G of rectifier I, and junction 72 is provided with a plurality of terminals 721 that connect, with bearing plural conductive plastics 3, conductive plastics 3 has at least one inserting hole 31, for the low-pressure end 22 of fluorescent tube 2 peg graft in conjunction with and be electrically connected at conductive frame 7, make fluorescent tube 2 electrically be connected in the earth terminal G of rectifier I indirectly by conductive frame 7.In present embodiment, connecting terminal 721 is the clamp structures that gone out by conductive frame 7 direct punching presses, except mode with drawing, and also can be in response to the fixed structure of the configuration design of various different conductive plastics 3.
Please consult Fig. 8 and shown in Figure 9 simultaneously, Fig. 8 is that three-dimensional exploded view is amplified in the part that shows the utility model the 4th embodiment, and Fig. 9 is the sectional side view that shows the utility model the 4th embodiment, in order to show that conductive plastics is inserted in conductive frame.As shown in the figure, among the lamp tube guide connection structure 200a of the backlight module of present embodiment, the junction 72 of conductive frame 7 offers a plurality of perforations 722, and conductive plastics 3a extends to form a clamping part 32, each perforation 722 usefulness are planted for the clamping part 32 of each conductive plastics 3a, to be electrically connected at the earth terminal G of conductive frame 7 and rectifier I.
Please consult shown in Figure 10ly simultaneously, it shows the stereogram of the utility model the 5th embodiment.As shown in the figure, composition and the action principle of present embodiment and the 3rd embodiment are roughly the same, thus identical member represent with identical element numbers, repeat no more.Its difference is the back side that is incorporated into conductive frame 7 by sealed mode at the rectifier I of the lamp tube guide connection structure 200b of the backlight module of present embodiment, and the earth terminal G of rectifier I directly is attached at conductive frame 7, makes conductive frame 7 be electrically connected at the earth terminal G of rectifier I under the form that does not need lead to connect.
More than narration only is preferred embodiment explanation of the present utility model, and those skilled in the art are when doing other all improvement according to above-mentioned explanation, and only these change in the claim scope that still belongs to creation spirit of the present utility model and applied for.