CN201265835Y - Direct illumination type back light module - Google Patents

Abstract

The utility model discloses a direct type backlight module, comprising a lighting tube, a lighting bushing used for protecting the lighting tube, and an inverter used for supplying voltage the lighting tube needs, wherein a lighting tube bayonet socket used for connecting and fixing the lighting tube is arranged on the lighting bushing, an electric conduction plug is arranged on the inverter, an electric conduction shrapnel is arranged in the lighting tube bayonet socket, and the electric conduction shrapnel comprises a joint end which is jointed with the electric conduction plug. The backlight module has the advantages that the connection is convenient and effective, no conducting wire and connector is used, and the labor and the cost are saved.

Description

Down straight aphototropism mode set

Technical field

The utility model relates to a kind of down straight aphototropism mode set, particularly relates to a kind of down straight aphototropism mode set that is used for LCD.

Background technology

In recent years, because that LCD equipment has a volume is little, frivolous, advantage such as low power consuming and obtained very big development.Adopted down straight aphototropism mode set in large-sized liquid crystal module in a large number.Down straight aphototropism mode set is a plurality of CCFLs (CCFL) version under the viewing area placed side by side, is connected the form that normally adopts lead (Lamp Wire) to add connector (Connector) between CCFL and the inverter (Inverter).

Fig. 1 is the schematic diagram of existing liquid crystal module, Fig. 2 is the local enlarged diagram in W zone of liquid crystal module among Fig. 1, as shown in the figure, liquid crystal module comprises the CCFL (not shown), lamp cover 20, backboard 30, inverter 40, lamp cover 20 is fixed on the mode that inverter 40 locks by screw on the backboard 30 by glue frame (not shown) and is fixed on the backboard 30, the electrode of CCFL and lead 50 welding, the other end of lead 50 is connected with the male of connector 60, the female of connector 60 is welded on the inverter 40, the male of connector 60 is docked with female, just realized being connected of CCFL and inverter 40, the voltage of inverter 40 has been sent to CCFL.

Adopt lead 50 to add the type of attachment of connector 60, need carry out the welding of lead 50 and fluorescent tube in the CCFL side, in inverter 40 1 sides, need successively connector 60 to be inserted, not only increased the cost of lead 50 and connector 60, and occurred easily causing backlight to light because of problems such as connector 60 bad connections, pad are bad.Phenomenons such as broken skin electric leakage also appear in lead 50 easily.Particularly in large scale TV backlight, owing to will reach the briliancy requirement, just must increase the quantity of fluorescent tube, for example, 47 " 24 CCFL are just arranged in the backlight of TV liquid crystal display, when carrying out module assembling backlight, need to consume more man-hour and manpower.And existing structure is inserted not in place when manually carrying out the Connector connection possibly, thereby causes fluorescent tube not lit a lamp, and has influenced the operate as normal of backlight.

The utility model content

Technical problem to be solved in the utility model provides a kind of down straight aphototropism mode set, should guarantee the validity that is connected between fluorescent tube and the inverter, and human cost is saved in assembling easily again.

For addressing the above problem, the utility model provides a kind of down straight aphototropism mode set, comprising: fluorescent tube; The lamp cover is used to protect described fluorescent tube, and described lamp cover is provided with and connects and lamp tube socket that fixed lamp tube is used; Backboard places described lamp cover below, supports and fixing described lamp cover; Inverter places described backboard below, is fixed on the described backboard by screw, for described fluorescent tube provides required voltage; Wherein, described inverter is provided with conductive plug, and described lamp tube socket is embedded with electroconductive elastic sheet, and described electroconductive elastic sheet comprises three joint ends at least, wherein two joint ends respectively with lamp tube electrode clamping mutually, joint end and the clamping mutually of described conductive plug.

In the above-mentioned down straight aphototropism mode set, described lamp cover can adopt the white plastic material to make.

In the above-mentioned down straight aphototropism mode set, described conductive plug can be square shape.

In the above-mentioned down straight aphototropism mode set, described conductive plug can be semi-circular shape.

The utility model is by being provided with the electroconductive elastic sheet with a plurality of joint ends on lamp tube socket, conductive plug correspondingly is set on inverter, guarantee fluorescent tube, lamp tube socket and inverter all adopt plug-in type to link to each other, both reached the convenience that connects, can utilize the elasticity of electroconductive elastic sheet to guarantee the validity that connects again, save lead and connector simultaneously, save manpower and cost.

Description of drawings

Fig. 1 is the schematic diagram of existing module backlight.

Fig. 2 is the local enlarged diagram in W zone of module backlight among Fig. 1.

Fig. 3 is the schematic diagram of the utility model module backlight.

Fig. 4 is a lamp tube socket structural representation of the present utility model.

Fig. 5 is a square shape conductive plug schematic diagram on the inverter.

Fig. 6 is an inverter upper semi-circle shape conductive plug schematic diagram.

Among the figure:

10 fluorescent tubes, 20 lamps overlap 30 backboards

40 inverters, 50 leads, 60 connectors

70 conductive plugs, 80 lamp tube sockets, 90 electroconductive elastic sheets

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing and exemplary embodiments.

Fig. 3 is the schematic diagram of the utility model module backlight, and Fig. 4 is a lamp tube socket structural representation of the present utility model.

Please refer to Fig. 3 and Fig. 4, module backlight of the present utility model comprises fluorescent tube 10; Lamp cover 20 is used to hold and protects fluorescent tube 10; Backboard (figure do not show) places lamp to overlap 20 belows, supports and fixed light cover 20, and lamp overlaps 20 and is fixed on the backboard by glue frame (not shown); Inverter 40 places the backboard below, for fluorescent tube 10 provides required voltage, is fixed on the backboard by screw, and inverter 40 is provided with conductive plug 70; Conductive plug 70 and lamp tube socket 80 directly electrically contact, and the voltage on the inverter 40 directly is passed on the lamp tube socket 80, put on the fluorescent tube 10 from lamp tube socket 80 then, thereby make fluorescent tube 10 luminous.

Please continue with reference to Fig. 4, a among the figure, b, c has provided the front view of lamp tube socket structure of the present utility model respectively, left view and right view, and lamp cover 20 of the present utility model is provided with a plurality of lamp tube sockets 80, each lamp tube socket 80 is embedded with electroconductive elastic sheet 90, electroconductive elastic sheet 90 comprises three joint ends at least, wherein two joint ends respectively with the electrode clamping mutually of fluorescent tube 10, corresponding conductive plug 70 clamping mutually on joint end and the described inverter 40.

Fig. 5 is a square shape conductive plug schematic diagram on the inverter, and Fig. 6 is an inverter upper semi-circle shape conductive plug schematic diagram.

Please refer to Fig. 5 and Fig. 6, inverter 40 of the present utility model is provided with a plurality of conductive plugs 70, corresponding lamp tube socket 80 direct clampings on each conductive plug 70 and the lamp cover 20.Described conductive plug 70 is not to be insulated on the inverter 40 that material covers and the metal that exposes out or by the welding electroconductive elastic sheet.Its shape can be square shape or semi-circular shape, respectively as shown in Figure 5 and Figure 6, can certainly be other shape, as long as the convenient lamp tube socket that inserts.Conductive plug and lamp tube socket 80 are embedded with electroconductive elastic sheet 90 can adopt resilient metal material, such as copper.

The utility model is by being provided with the electroconductive elastic sheet 90 with a plurality of joint ends on lamp tube socket 80, conductive plug 70 correspondingly is set on inverter 40, guarantee fluorescent tube 10, lamp tube socket 80 and inverter 40 all adopt plug-in type to link to each other, both reached the convenience that connects, can utilize the elasticity of electroconductive elastic sheet 90 to guarantee the validity that connects again, save lead and connector simultaneously, save manpower and cost.

Though the utility model discloses as above with preferred embodiment; right its is not in order to limit the utility model; any those skilled in the art; in not breaking away from spirit and scope of the present utility model; when doing a little modification and perfect, therefore protection domain of the present utility model is worked as with being as the criterion that claims were defined.

Claims (4)

1, a kind of down straight aphototropism mode set comprises

Fluorescent tube;

The lamp cover is used to protect described fluorescent tube, and described lamp cover is provided with and connects and lamp tube socket that fixed lamp tube is used;

Backboard places described lamp cover below, supports and fixing described lamp cover;

Inverter places described backboard below, is fixed on the described backboard by screw, for described fluorescent tube provides required voltage;

It is characterized in that, described inverter is provided with conductive plug, and described lamp tube socket is embedded with electroconductive elastic sheet, and described electroconductive elastic sheet comprises three joint ends at least, wherein two joint ends respectively with lamp tube electrode clamping mutually, joint end and the clamping mutually of described conductive plug.

2, down straight aphototropism mode set according to claim 1 is characterized in that, described lamp cover adopts the white plastic material to make.

3, down straight aphototropism mode set according to claim 1 and 2 is characterized in that, described conductive plug is a square shape.

4, down straight aphototropism mode set according to claim 1 and 2 is characterized in that, described conductive plug is a semi-circular shape.

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