CN201348687Y - Clamping member of liquid crystal display device - Google Patents

Abstract

The utility model provides a clamping component of liquid crystal display device, its characterized in that, but it is the liquid crystal display panel of clamping liquid crystal display device and can fix or two at least bar component combinations that activity buckle was on liquid crystal display device backshell constitute. Through the LCD screen glass assembly and a plurality of optical sheet according to the preface coincide arrangement that will constitute liquid crystal display panel, again through with it adaptation the utility model discloses fixed or movable buckle after the clamping is on the backshell, utilize the backshell thereof to replace the backplate and the center of traditional LCD screen, make it no longer have heavy backplate and center, and utilize the utility model discloses replace the front bezel, can make each part dispersion coincide, whole clamping can practice thrift product material greatly, reduce the processing link to manufacturing cost and processing cost have been practiced thrift, simultaneously, still reducible LCD thickness and weight have reached LCD frivolousization requirement better.

Description

Clamping member of a liquid crystal display device

technical field

The utility model relates to the field of electronic products, in particular to a clamping member used for a liquid crystal panel of a liquid crystal display device.

Background technique

In recent years, liquid crystal display devices have been used more and more widely, such as liquid crystal displays, LCD TVs, PC all-in-one machines and other display devices, no matter which product or field they are used in, the pursuit of light weight, Saving processing costs and energy is the goal pursued by modern products. At present, the existing liquid crystal display device is mainly composed of a front frame, a liquid crystal screen, a main board module, a metal bracket and a rear case, wherein the liquid crystal panel is mainly composed of a front frame, a liquid crystal glass module, a middle frame, an optical sheet, a light source, The lampshade and the back plate are composed of the above-mentioned components, which are usually processed and assembled into corresponding combined modules and then assembled. Therefore, it is necessary to add additional fastening parts such as the middle frame and the back plate to fix them, so that the thickness of the liquid crystal display device is usually thicker. The cost is high, the process is relatively complicated, and the backplane is usually a metal part, which makes the liquid crystal display device relatively bulky, which does not meet the current development trend of increasingly thinner and thinner liquid crystal displays.

Utility model content

The purpose of this utility model is to provide a clamping member of a liquid crystal display device, aiming to solve the defects of high processing cost, heavy overall weight and thick thickness direction caused by the need to use multiple additional members for fixing in the existing liquid crystal display device .

The utility model is achieved in this way, a clamping member of a liquid crystal display device, which is at least two shaped members that can clamp the liquid crystal display panel of the liquid crystal display device and can be fixed or movable on the rear shell of the liquid crystal display device Combination composition.

Preferably, the liquid crystal display panel is composed of a liquid crystal glass assembly and a plurality of optical sheets stacked and arranged in sequence, and the liquid crystal glass assembly includes liquid crystal glass and a driving circuit board.

Preferably, the strip member is a metal strip.

Preferably, the bar-shaped member is provided with two horizontal clamping bars or/and two side clamping bars, which are placed around the liquid crystal display panel and combined to form a frame member.

Further, the horizontal clamping bar is an "L"-shaped member composed of a horizontal clamping bar and a vertical clamping bar, on which is provided a lateral positioning part or/and at least one lateral engaging part that can be fixed with the rear shell, Both ends are provided with protruding parts and recessed parts extending outward; the two side clamping bars are "L"-shaped members composed of vertical side clamping bars and longitudinal side clamping bars, on which there is a hole that can be fixed with the rear shell. At least one side of the positioning portion or/and at least one side of the engaging portion, both ends are provided with a first side concave portion and a second side concave portion that can be buckled correspondingly with the protrusions and concave portions at both ends of the horizontal clamping bar.

Different from the prior art, the liquid crystal glass assembly and several optical sheets that make up the liquid crystal display panel are stacked and arranged in order, and then fixed or movable on the rear shell after being clamped by the utility model adapted to it On the other hand, the rear shell is used to replace the backplane and middle frame of the traditional LCD screen, so that it no longer has a heavy backplane and middle frame, and the utility model is used to replace the front frame, so that the parts can be scattered and stacked, and the whole clip It can greatly save product materials and reduce processing links, thereby saving production costs and processing costs. At the same time, it can also reduce the thickness and weight of liquid crystal displays, and better meet the requirements of light and thin liquid crystal displays. At the same time, the utility model can be made of metal materials, and by virtue of the characteristics of the metal strip itself, it can also realize the function of preventing electromagnetic interference.

Description of drawings

Fig. 1 is the schematic diagram of the structure of the utility model horizontal clip bar;

Fig. 2 is a schematic diagram of the structure of the side clip bar of the present invention;

Fig. 3 is a schematic diagram of the utility model clamped on the liquid crystal panel of the liquid crystal display device;

Fig. 4 is a schematic diagram of the structure of the back shell of the liquid crystal display device matched with the utility model;

Fig. 5 is a cross-sectional schematic diagram of the utility model clamped on the liquid crystal panel of the liquid crystal display device and matched with the rear case.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The embodiment of the present invention provides a clamping member of a liquid crystal display device, as shown in Figure 3, which is used to clamp the liquid crystal display panel of the liquid crystal display device and can be fixed or movable on the rear shell of the liquid crystal display device Combination of strip-shaped components. As shown in Figure 5, the liquid crystal display panel used to realize the display function can be a liquid crystal screen glass assembly and a number of optical sheets. Fixed or movable buckle on the rear case 3, and at the same time, place the main board assembly on the corresponding placement (not shown in the figure) of the rear case 3, thus completing the fixing and installation of the entire liquid crystal display device. By stacking the scattered parts that make up the liquid crystal display panel, and then performing unified clamping by the utility model, it is different from the prior art in which the modules are assembled first and then assembled, which can reduce the processing steps and at the same time It can also reduce the additional components derived from the existing technology structure, such as the middle frame, the back plate, etc., so the processing cost, material cost and assembly cost are reduced, and the weight of the product can be reduced, so that the overall lightness and thinness of the liquid crystal display device can be achieved. the goal of.

Referring to Fig. 5, in a specific embodiment of the present utility model, the liquid crystal glass assembly includes a liquid crystal glass 43 (open cell) and a driving circuit board 51, and the optical sheet adjacent to the liquid crystal glass 43 is the first The optical sheet is sandwiched with an elastic pad 44 (Rubber Pad). Specifically, the optical sheet shown in the embodiment of FIG. 5 of the present utility model includes an upper diffusion sheet 45, an enhancement sheet 46, a lower diffusion sheet 47, a light guide plate 49, and a reflector 42. The first optical sheet is the upper diffusion sheet 45, so The upper diffuser 45 and the lower diffuser 47 are mainly used for diverging light beams, which can provide a uniform surface light source for the liquid crystal display; The effect of the light guide plate 49 is to guide the light direction, improve the brightness of the liquid crystal display and control the uniformity of brightness; the effect of the reflector 42 is to reflect the light that has not entered the light guide plate 49, so that it is transmitted to the liquid crystal screen through the light guide plate 49 again superior. The above parts are stacked in order, and the elastic pad 44 is sandwiched between the liquid crystal screen glass 43 and the upper diffusion sheet 45 or light guide plate 49, which can be integrally formed into a ring or frame-shaped structure, and attached to the liquid crystal screen. Around the light incident surface of the glass 53 ; it can also be at least one strip-shaped member, such as two parallel shaped components, attached to both sides of the light incident surface of the liquid crystal display glass 43 . The elastic pad 44 can not only keep a gap between the liquid crystal screen glass 43 and the optical sheet, but also can effectively prevent the The sliding of the liquid crystal screen glass 43 thus replaces the middle frame in the prior art with simple components, which not only reduces the production cost, but also greatly simplifies the structure of the liquid crystal display device.

In a specific embodiment of the present utility model, a spacer 48 is further provided between the upper diffusion sheet 45 and the brightness enhancement sheet 46 . The spacer 48 can be at least a strip member attached to both sides of the light-incident surface of the upper diffusion sheet 45 , or a frame member attached to the periphery of the light-incident surface of the upper diffusion sheet 45 . The light-increasing sheet 46 and the lower diffusion sheet 47 are positioned to be superimposed on one side of the light guide plate 49 by means of the spacer 48, and the other side of the light guide plate 49 is superimposed on the reflector 42, and the light reflector 42 and the light guide plate 49 are superimposed. The surface is a smooth surface for reflecting light into the light guide plate 49 .

Referring again to FIG. 5 , in a specific embodiment of the present invention, the light guide plate 49 and the reflector plate 42 are clamped and fixed by the lampshade 50 equipped with the light source 41 . The light source 41 is strip-shaped and can be any light-emitting component, such as a cold-cathode fluorescent lamp or a strip-shaped LED lamp formed by several LEDs.

Referring to Fig. 3, in one embodiment of the present utility model, described bar-shaped member can be metal bar, can be divided into two horizontal clip bars 1 shown in Fig. 1 and two side clip bars 2 shown in Fig. 2, constitute a frame The structure is placed around the liquid crystal panel 5 . The horizontal clamping bar 1 is an "L"-shaped member formed by a horizontal clamping bar 11 and a vertical clamping bar 12 connected thereto, and can be integrally formed as an integral member. A horizontal positioning portion 112 is defined on the horizontal clamping bar 11 , which can cooperate with the upper positioning portion 32 and the lower positioning portion 34 of the rear housing correspondingly provided on the rear housing 3 shown in FIG. 4 . On the horizontal clamping bar 11, at least one engaging portion 111 can also be provided, which can be an engaging groove as shown in the figure, or a flange (not shown in the figure), which can be connected with the back shell 3. The upper engaging portion 33 of the rear case and the lower engaging portion 35 of the rear case are matched with each other. The two side clamping bars 2 can be an "L"-shaped component formed by a vertical side clamping bar 21 and a longitudinal side clamping bar 22 connected thereto, and similarly, can be integrally formed as an integral component. On the longitudinal side clamping bar 22, at least one side positioning part 223 is provided, which can be a through groove opened on the longitudinal side clamping bar 22, corresponding to the rear shell lateral positioning flange 31 provided on the rear shell 3 Fit fixed. At least one engaging portion 222 can be provided on the longitudinal side clamping bar 22 , which can cooperate with the corresponding engaging portion 36 on the side of the rear case 3 to realize multi-point fixing of the liquid crystal panel. At the same time, in order to make the two horizontal clamping bars 1 correspond to the two side clamping bars 2, in this embodiment, the two ends of the horizontal clamping bars 11 are provided with outwardly extending protrusions 113, and the two vertical clamping bars 12 are The end is provided with a recessed portion 114; correspondingly, the two ends of the two sides of the clip bar 3 are provided with a first side recessed portion 211, The second side concave portion 221 can make each strip-shaped member snap together correspondingly, compress each part of the liquid crystal panel 4, and can make each strip-shaped member after fitting be vertically in the same plane, to keep the entire liquid crystal display device beautiful.

Of course, the positions of the protrusions 113 and the first recesses 114 on the above-mentioned horizontal clamping bars 11 and vertical clamping bars 12 can be exchanged as required. 221 is also adjusted accordingly according to the positions of the protruding portion 113 and the first recessed portion 114 .

Referring to Figures 1-3, the utility model also has a plurality of reinforcing ribs 13 at the bending intersection of the horizontal clamping bar 11 and the vertical clamping bar 12 of the horizontal clamping bar 1. Similarly, the two side bars 2 A plurality of reinforcing ribs 33 are also provided at the bending joints of the vertical side clip bar 21 and the longitudinal side clip bar 22 .

The utility model can be snapped together with a plurality of matching points correspondingly provided on the rear case 3, and can be wrapped around the periphery of the laminated liquid crystal display panel. With the help of the characteristics of the metal strip itself, it can also realize the effect of preventing electromagnetic interference.

The utility model can be used for liquid crystal displays, liquid crystal televisions or computers.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (5)

1. A clamping member for a liquid crystal display device, characterized in that it is composed of at least two shaped members that can clamp the liquid crystal display panel of the liquid crystal display device and can be fixed or movable on the rear shell of the liquid crystal display device . 2. A clamping member for a liquid crystal display device according to claim 1, wherein the liquid crystal display panel is composed of a liquid crystal display glass assembly and a plurality of optical sheets stacked in sequence, and the liquid crystal display glass The components include LCD screen glass and driver circuit board. 3. The clamping member of a liquid crystal display device according to claim 1, wherein the strip-shaped member is a metal strip. 4. A clamping member for a liquid crystal display device according to claim 1, 2 or 3, characterized in that, the strip-shaped member is divided into two horizontal clamping bars or/and two side clamping bars, which are placed around the liquid crystal panel , combined to form a frame member. 5. A clamping member for a liquid crystal display device according to claim 4, characterized in that: the horizontal clamping bar is an "L"-shaped member composed of a horizontal clamping bar and a vertical clamping bar, on which there are A horizontal positioning part or/and at least one horizontal engaging part are fixed with the rear shell, and both ends are provided with outwardly extending protrusions and recesses; the two side clips are vertical side clips and longitudinal side clips The "L"-shaped member composed of strips is provided with at least one side positioning part or/and at least one side engaging part that can be fixed with the rear shell, and the two ends are provided with protrusions that can be connected with the two ends of the horizontal clamping bar. The first side recess and the second side recess corresponding to the fastening part and the recessed part.

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