CN201348687Y

CN201348687Y - Clamping member of liquid crystal display device

Info

Publication number: CN201348687Y
Application number: CNU2008201817950U
Authority: CN
Inventors: 杨荣山; 张家瑶
Original assignee: WEIGUAN ELECTRONICS CO Ltd
Current assignee: WEIGUAN ELECTRONICS CO Ltd
Priority date: 2008-12-18
Filing date: 2008-12-18
Publication date: 2009-11-18
Anticipated expiration: 2018-12-18

Abstract

The utility model relates to a clamping member of a liquid crystal display device, which is characterized by comprising a liquid crystal display plane capable of clamping the liquid crystal display device, and at least two strip-shape members which can be fixed or movably buckled on the back shell of the liquid crystal display device and are combined; a liquid crystal display screen glass combination which forms the liquid crystal display plane, and a plurality of optical sheets are lapped and arrayed sequentially, and are fixedly clamped by a matched clamping member and then are fixed or movably buckled on the back shell. The utility model adopts the back shell to replace the backboard and the middle frame of the traditional liquid crystal screen, and also adopts the clamping member to replace the front frame, thus being free from the heavy backboard and the middle frame; all parts are lapped in a scatter way and clamped in a whole body, so the material is greatly saved, the processing link is reduced and the production cost and the processing cost are reduced; at the same time, the thickness and the weight of the liquid crystal display are reduced, thereby, the light and thin requirement on the liquid crystal display is met.

Description

A kind of clamping member of liquid crystal indicator

Technical field

The utility model relates to the electronic product field, particularly a kind of clamping member that is used for the liquid crystal panel of liquid crystal indicator.

Background technology

In recent years, liquid crystal indicator is used more and more extensivelyr, as display devices such as LCD, LCD TV, PC all-in-ones, no matter be to be applied to any product, no matter be to be applied to which field also, pursuing the volume lightweight, save the processing cost and the energy, all is the target that present modern product is pursued.At present, existing liquid crystal indicator mainly is by the face frame, liquid crystal display, mainboard module, metal support and back cover are formed, wherein, described liquid crystal panel is mainly by preceding frame, the liquid-crystalline glasses module, center, optical sheet, light source, lampshade and backboard are formed, above-mentioned member is assembled after normally processing and being assembled into corresponding composite module again, thereby need the other additional secure component such as center and backboard that increases to fix, make that the thickness of liquid crystal indicator is thicker usually, cost is higher, technology is more complicated also, and backboard is generally a metalwork, more makes liquid crystal indicator relatively heavier, do not meet the lightening day by day development trend of present LCD.

The utility model content

The purpose of this utility model is to provide a kind of clamping member of liquid crystal indicator, and being intended to solve needs to adopt a plurality of additional member to fix and cause the defective that processing cost is higher, overall weight heavy, thickness direction is thick in the available liquid crystal display device.

The utility model is achieved in that a kind of clamping member of liquid crystal indicator, but it is for the display panels of clamping liquid crystal indicator and can fixed or movablely be snapped in that at least two strip members on the shell constitute after the liquid crystal indicator.

Preferably, described display panels is made of glasses for LCD group product and the superimposed in regular turn arrangement of some optical sheets, and described glasses for LCD group product comprise glasses for LCD and drive circuit board.

Preferably, described strip member is a bonding jumper.

Preferably, described strip member sets up two horizontal clamp bars separately or/and the both sides clamp bar places the display panels periphery, is combined to form a framing component.

Further, described horizontal clamp bar is " L " type member that horizontal clamp bar and vertical clamp bar constitute, and offers on it to cooperate with back cover one of to fix located lateral portion or/and at least one horizontal holding section, and two ends are provided with outward extending teat and depressed part; Described both sides clamp bar is " L " type member that vertical side clamp bar and vertical side clamp bar constitute, offer on it and can cooperate fixing at least one side location division with back cover or/and at least one side holding section, two ends be provided with can with the teat at described horizontal clamp bar two ends and the first side recess and the second side recess of the corresponding fastening of depressed part.

Be different from prior art, by glasses for LCD group product and the superimposed in regular turn arrangement of some optical sheets that will form display panels, again by fixed or movable being snapped on the back cover behind adaptive with it the utility model clamping, utilize its back cover to replace the backboard and the center of traditional liquid crystal display, make it no longer have heavy backboard and center, and frame before utilizing the utility model to replace, it is superimposed that each part is disperseed, whole clamping can be saved product material greatly, reduces processing link, thereby production cost and processing cost have been saved, simultaneously, also can reduce LCD thickness and weight, preferably reach the lightening requirement of LCD.Simultaneously, the utility model can adopt metal material to make, and by the characteristic of bonding jumper itself, also can realize having the effect of anti-electromagnetic interference (EMI).

Description of drawings

Fig. 1 is the horizontal clamp bar structural representation of the utility model;

Fig. 2 is the utility model side clamp bar structural representation;

Fig. 3 is clamped on the synoptic diagram on the liquid crystal panel of liquid crystal indicator for the utility model;

Fig. 4 is the liquid crystal indicator back cover structural representation that cooperates with the utility model;

Fig. 5 is clamped on for the utility model on the liquid crystal panel of liquid crystal indicator and cooperates sectional schematic diagram with back cover.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

The utility model embodiment provides a kind of clamping member of liquid crystal indicator, and as shown in Figure 3, it is for the display panels that can be used to the clamping liquid crystal indicator and can fixed or movablely be snapped in that the strip member on the shell constitutes after the liquid crystal indicator.As shown in Figure 5, be used to realize that the Presentation Function display panels can be glasses for LCD group product and some optical sheets, above-mentioned member constitutes display panels by the superimposed in regular turn arrangement of designing requirement, by the utility model clamping, corresponding then fixed or movable being snapped on the back cover 3, simultaneously, mainboard assembly is placed the back cover 3 corresponding arrangement place (not shown)s that are provided with, just finished the fixing and installation of entire liquid crystal display device.Corresponding superimposed by each part that disperses that will form display panels, unify clamping by the utility model again, be different from and be combined into module in the prior art earlier, the constituted mode of set assembling both can reduce manufacturing procedure again, also can reduce the additional member of being derived by the prior art structure simultaneously, as center, backboard etc., so reduced processing cost, material cost and assembly cost, can reduce the weight of product again, just can reach the whole lightening purpose of liquid crystal indicator.

Referring to Fig. 5, the utility model is particularly among the embodiment, described glasses for LCD group product comprise glasses for LCD 43 (open cell) and drive circuit board 51, and the optical sheet adjacent with described glasses for LCD 43 is first optical sheet, is folded with cushion 44 (Rubber Pad) between the two.Particularly, the optical sheet that the utility model Fig. 5 embodiment shows comprises diffusion sheet 45, brightening piece 46, following diffusion sheet 47, light guide plate 49 and reflector 42, described first optical sheet is last diffusion sheet 45, the described divergent beams that are mainly used in of going up diffusion sheet 45, following diffusion sheet 47 can provide uniform surface light source to LCDs; The main effect of brightening piece 46 is to revise direction of light, increases the utilization benefit of light, improves whole briliancy; The effect of light guide plate 49 is guiding radiation directions, improves liquid crystal display radiance degree and control brightness even; The effect of reflector 42 is that the light that will not enter light guide plate 49 reflects, and it is transferred on the liquid crystal display by light guide plate 49 again.Above-mentioned part is superimposed in regular turn, and cushion 44 is located between described glasses for LCD 43 and last diffusion sheet 45 or the light guide plate 49, and annular or frame-shaped structure that it can be formed in one and form fit in around the incidence surface of glasses for LCD 53; Also can be at least one shape member, as two strip members that be arranged in parallel, fit in the incidence surface both sides of glasses for LCD 43.Described cushion 44 can not only make and keep a gap between glasses for LCD 43 and the optical sheet, and can also be under pressure effect of the present utility model, rely on the friction force between cushion 44 and the glasses for LCD 43, effectively prevent the slip of glasses for LCD 43, thereby use simple assembly to replace center of the prior art, not only reduce production cost, also simplified the structure of liquid crystal indicator greatly.

In the utility model specific embodiment, between diffusion sheet 45 and the brightening piece 46, also be provided with distance piece 48 on described.Described distance piece 48 can be at least one bar shaped member, fits in the described diffusion sheet 45 incidence surface both sides of going up, and also can be a framing component, fits in around diffusion sheet 45 incidence surfaces.Described brightening piece 46 is superimposed with the one side of light guide plate 49 by back, distance piece 48 location with following diffusion sheet 47, the another side of light guide plate 49 and reflector 42 are superimposed, described reflector 42 and light guide plate 49 superimposed faces are a shiny surface, are used for reflection ray to light guide plate 49.

Referring to Fig. 5, in the utility model specific embodiment, described light guide plate 49 and reflector 42 are fixed by lampshade 50 clampings that light source 41 is housed again.Described light source 41 is strip, can be any luminescence component, such as being cold-cathode fluorescence lamp or the strip LED lamp that formed by some LED.

Referring to Fig. 3, among the utility model one embodiment, described strip member can be bonding jumper, can be divided into two horizontal clamp bars 1 and both sides clamp bar 2 shown in Figure 2 shown in Figure 1, constitutes the periphery that a framed structure places liquid crystal panel 5.Described horizontal clamp bar 1 can one-body moldedly be an integrated member for horizontal clamp bar 11 and " L " type member that the vertical clamp bar 12 that is attached thereto constitutes.On described horizontal clamp bar 11, offer a located lateral portion 112, can cooperate with location division 34 under location division 32, the back cover on the corresponding back cover of offering on the back cover 3 shown in Figure 4.On described horizontal clamp bar 11, also can offer at least one holding section 111, can be the slot shown in the diagram, also can be a flange (not shown), can cooperate with holding section under holding section 33, the back cover on the corresponding back cover of offering on the back cover 3 35.Described both sides clamp bar 2 can be vertical side clamp bar 21 and " L " type member that the vertical side clamp bar 22 that is attached thereto constitutes, and similarly, can one-body moldedly be an integrated member.On described vertical side clamp bar 22, offer at least one side location division 223, can be a groove that is opened on vertical side clamp bar 22, cooperate fixing with the back cover lateral register flange 31 of corresponding setting on the back cover 3.Also can offer at least one side holding section 222 on described vertical side clamp bar 22, can cooperate, fix with the multiple spot of realizing liquid crystal panel with the corresponding holding section of offering, back cover side 36 on the back cover 3.Simultaneously, for making two horizontal clamp bars 1 and both sides clamp bar 2 corresponding matching, present embodiment is provided with outward extending teat 113 at the two ends of described horizontal clamp bar 11, and described vertical clamp bar 12 two ends then are provided with depressed part 114; Accordingly, clamp bar 3 two ends, described both sides be provided with can with the corresponding first side recess 211, the second side recess 221 of teat 113 and depressed part 114 positions at described horizontal clamp bar 1 two ends, can make the corresponding mutually fastening of each strip member, liquid crystal panel 4 each part are compressed, and can make each strip member that cooperates the back in vertically being in same plane, to keep the attractive in appearance of entire liquid crystal display device.

Certainly, the teat 113 on above-mentioned horizontal clamp bar 11 and the vertical clamp bar 12 and the position of first depressed part 114 can exchange as required, accordingly, both sides clamp bar 2 first side recesses 211, the second side recess 221 are also done corresponding adjustment according to teat 113 and first depressed part, 114 positions.

Referring to Fig. 1-3, the utility model also offers a plurality of stiffening rib 13 in the horizontal clamp bar 11 and the vertical clamp bar 12 bending junctions of described horizontal clamp bar 1, similarly, the vertical side clamp bar 21 of described two side slats 2 and vertical side clamp bar 22 bending junctions also offer a plurality of stiffening rib 33.

The utility model can fasten with the corresponding a plurality of points of engagement that are provided with on the back cover 3, is coated on the display panels periphery of superimposed back, and by the characteristic of bonding jumper itself, the effect that also can realize having anti-electromagnetic interference (EMI).

The utility model can be used for LCD, LCD TV or computing machine.

The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims

1, a kind of clamping member of liquid crystal indicator is characterized in that, but it is for the display panels of clamping liquid crystal indicator and can fixed or movablely be snapped in that at least two strip members on the shell constitute after the liquid crystal indicator.

2, the clamping member of a kind of liquid crystal indicator as claimed in claim 1, it is characterized in that, described display panels is made of glasses for LCD group product and the superimposed in regular turn arrangement of some optical sheets, and described glasses for LCD group product comprise glasses for LCD and drive circuit board.

3, the clamping member of a kind of liquid crystal indicator as claimed in claim 1 is characterized in that, described strip member is a bonding jumper.

As the clamping member of claim 1 or 2 or 3 described a kind of liquid crystal indicators, it is characterized in that 4, described strip member sets up two horizontal clamp bars separately or/and the both sides clamp bar places the liquid crystal panel periphery, is combined to form a framing component.

5, the clamping member of a kind of liquid crystal indicator as claimed in claim 4, it is characterized in that: described horizontal clamp bar is " L " type member that horizontal clamp bar and vertical clamp bar constitute, offer on it and can cooperate one of fixing located lateral portion with back cover or/and at least one horizontal holding section, two ends are provided with outward extending teat and depressed part; Described both sides clamp bar is " L " type member that vertical side clamp bar and vertical side clamp bar constitute, offer on it and can cooperate fixing at least one side location division with back cover or/and at least one side holding section, two ends be provided with can with the teat at described horizontal clamp bar two ends and the first side recess and the second side recess of the corresponding fastening of depressed part.