KR100738322B1 - Liquid crystal module - Google Patents

Abstract

The present invention relates to a liquid crystal module, which is a liquid crystal module mounted on a mobile phone having a main board, and has a bottom surface, left and right side walls, and an upper wall, and a plurality of coupling grooves are provided on the bottom surface, left and right side walls, and an upper wall. The bottom surface of the end is formed at the upper end than the left and right side wall to supply power to the outer frame and light guide plate, diffuser plate, LED lamp and LED lamp having an end of the bottom bottom surface and the component receiving space formed by the left and right side wall. Mounting the lamp FPC, the backlight assembly having a backlight assembly rim frame having a locking projection coupled to the coupling groove, the liquid crystal panel coupled to the front of the backlight assembly and the electrical connection with the liquid crystal panel is electrically connected from the main board of the mobile phone Including liquid crystal FPCs and circuit components mounted on liquid crystal FPCs. In addition, the circuit component proposes a liquid crystal module, characterized in that provided in the component receiving space.

A liquid crystal module; Circuit components

Description

LCD MODULE {LCD MODULE}

1 is a view for explaining an example of the assembly of a conventional backlight assembly.

2 is a view for explaining an example of the rear connection portion of the liquid crystal module using a conventional backlight assembly.

3 is a view for explaining an example of the assembly of the backlight assembly according to the present invention.

Figure 4 is an assembled perspective view of the frame of the outer frame and the backlight assembly used in the liquid crystal module according to the present invention.

5 is a rear view of the liquid crystal module according to the present invention, showing a state before bending the liquid crystal FPC.

6 is a front view, a cutaway view, a partial enlarged view and a bottom view of the liquid crystal module according to the present invention. FIG. 6 (a) shows a front view, and FIG. 6 (b) shows a cutaway view in the AA ′ direction. Fig. 6 (c) is a partially enlarged view of the inside of the circle of Fig. 6 (b), and Fig. 6 (d) shows a bottom view of the liquid crystal module.

Figure 7 is a view of the front support bar 30 used in the liquid crystal module of the present invention, Figure 7 (a) is a rear perspective view seen from the rear, Figure 7 (b) shows a front view.

***** Brief description of the main symbols on the drawing *****

10: backlight assembly 11: lamp FPC

12: backlight assembly frame 13: protrusion

15: Border 1 16: Border 2

17: End catch groove 18: Vertical support bar

20: liquid crystal panel 21: liquid crystal FPC

22: circuit component 23: liquid crystal signal line connection portion

24: component housing space 30: front support bar

31: Outer front frame 32: Outer rear frame

35: lamp FPC space 36: front frame protrusion

37: support bar coupling groove 38: embossing

39: lower support end 50: outer frame

51: coupling groove 52: end binding portion

90: backlight / liquid crystal storage frame

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal module, and more particularly, to a liquid crystal module having a space portion in which circuit components can be mounted at a lower end of an outer frame.

In general, a liquid crystal display (LCD) does not emit light, and thus displays information by reflecting external light passing through the liquid crystal panel, or displays information by installing a separate light source, that is, a backlight assembly, on the back of the liquid crystal panel. do.

In the conventional liquid crystal module, as illustrated in FIG. 1, the backlight assembly 10 is first inserted into the front surface of the backlight / liquid crystal accommodation frame 90, and the liquid crystal panel 20 is inserted into the front surface of the backlight assembly 10. The backlight assembly 10 includes an LED lamp (not shown), and a lamp FPC (Flexible Printed Circuit) 11 connected to the LED lamp protrudes downward. In addition, a liquid crystal FPC 21 protrudes downward from the circuit portion provided in the main body of the mobile phone to the liquid crystal panel 20 at the lower end of the liquid crystal panel 20. The lamp FPC 11 and the liquid crystal FPC 21 which protrude downwards are positioned by being folded backward while surrounding the lower end of the backlight / liquid crystal accommodating frame 90, and then the outer front frame 31 and the outer rear frame 32. Casing). Through the opening formed in the outer front frame 31, the front of the liquid crystal display can be seen from the outside, and the power and electrical signal lines are supplied from the circuit part of the main body of the cellular phone through the opening formed in the outer rear frame 32.

Meanwhile, a plurality of circuit components 22 are mounted on the liquid crystal FPC 21, which is typically installed in an area exposed through an opening formed in the outer rear frame 32 as illustrated in FIG. 2. However, there has been a problem in that the thickness of the liquid crystal module is increased due to the installation position of the circuit component 22.

The present invention is to solve the above problems, the liquid crystal to position the circuit component mounted on the liquid crystal FPC near the region where the liquid crystal panel and the liquid crystal FPC are bonded to be mounted in a predetermined region at the lower end of the backlight / liquid crystal storage frame. To provide a module.

It is still another object of the present invention to provide an outer frame structure that protects an area in which circuit components located at a lower end thereof are mounted.

The object of the present invention is a liquid crystal module mounted on a mobile phone having a main board having a bottom surface, left and right side walls and an upper wall, and a plurality of coupling grooves are provided on the bottom surface, left and right side walls and the top wall, and a bottom surface of the bottom. Is formed at an upper end than the left and right side walls, and has an outer frame having an end portion of the bottom bottom surface and a component accommodating space formed by the left and right side walls, and a lamp FPC for supplying power to the light guide plate, diffuser plate, LED lamp, and LED lamp. And a backlight assembly including a backlight assembly edge frame having a locking protrusion coupled to the coupling groove, a liquid crystal panel coupled to the front surface of the backlight assembly, and electrically connected to the liquid crystal panel to receive an electrical signal from a main board of a mobile phone. A circuit component including a liquid crystal FPC and a circuit component mounted on the liquid crystal FPC Teuneun can be achieved by the liquid crystal module to be provided in the component housing space to the feature coming.

Hereinafter, with reference to the accompanying drawings will be described in detail the advantages, features and preferred embodiments of the present invention.

3 is an assembled perspective view of a liquid crystal module according to the present invention, wherein the liquid crystal module according to the present invention includes an outer frame 50, a backlight assembly 10 inserted therein, a liquid crystal panel 20, and a front support bar 30. do.

The outer frame 50 is formed of a sus material having a bottom surface, left and right side walls and an upper wall, and a plurality of coupling grooves 51 are provided on the bottom surface, left and right side walls and the top wall. The bottom surface of the lower end has a component accommodating space 24 formed by an end at an upper side than the left and right side walls and formed by the end and the left and right side walls of the bottom bottom surface.

The backlight assembly 10 is mounted on a light guide plate, diffuser plate, LED lamp, etc. in a synthetic resin frame frame having a locking projection 13 coupled to the coupling groove 51 of the outer frame and coupled to the outer frame 50. The lower end is provided with an LED lamp and a lamp FPC (11) is connected to the liquid crystal FPC (21) receives power from the motherboard of the mobile phone.

The liquid crystal panel 20 is inserted into the upper left and right side walls of the outer frame 50 and the front space portion of the backlight assembly 10. In addition, the liquid crystal signal line connecting portion 23 of the lower front of the liquid crystal panel is electrically connected to the liquid crystal FPC 21. As shown in FIG. 3 without bending the liquid crystal FPC 21, the part seen from the front when viewed in a line with the liquid crystal panel 20 is called the front part of the liquid crystal FPC, and the invisible part is the rear part of the liquid crystal FPC. In this case, it can be seen that the circuit component 22 according to the present invention is provided in a predetermined region of the rear part of the liquid crystal FPC 21.

Figure 4 is an assembled perspective view of the frame of the outer frame and the backlight assembly used in the liquid crystal module according to the present invention. As shown in FIG. 4, when the backlight assembly frame 12 is coupled to the outer frame 50, the liquid crystal module according to the present invention allows the component accommodating space 24 to be formed at a lower end thereof, and the component accommodating space 24. Circuit components 22 can be positioned.

As shown in Figure 4 it can be seen that the end of the bottom bottom surface of the outer frame is formed along the contour of the LED lamp to be mounted. In the backlight assembly frame, the lower first edge 15 and the left and right edges of the backlight assembly frame are formed along the shape of the left and right side walls of the outer frame. The second frame 16 extends downward longer than the left and right side walls of the frame and connects the left and right edges of the backlight assembly edge frame to each other. In order to maintain the strength of the first rim 15 and the second rim 16, a vertical brace bar 18 is provided.

As shown in FIG. 4, end binding portions 52 having a bent shape are provided at the end portions of the left and right side walls of the outer frame, and end catching grooves 17 are formed in the corresponding frame of the backlight assembly, so that each other is strongly connected to each other. Allow it to bind. More specifically, the component accommodating space 24 may include the left and right side walls of the bottom bottom surface of the outer frame 50 and the left and right side walls of the bottom portion of the backlight assembly frame 12, the first border 15 and the second border. It is defined as the space formed by (16).

5 is a rear view of the liquid crystal module according to the present invention, showing a state before bending the liquid crystal FPC. As shown in FIG. 5, the circuit component 22 is provided on the rear side of the liquid crystal FPC, and when the liquid crystal FPC 21 is bent and assembled, it can be seen that the circuit component 22 is disposed to be inserted into the predetermined space shown in FIG. 4.

6 is a front view, a cutaway view, a partial enlarged view and a bottom view of the liquid crystal module according to the present invention. FIG. 6 (a) shows a front view, and FIG. 6 (b) shows a cutaway view in the AA ′ direction. Fig. 6 (c) is a partially enlarged view of the inside of the circle of Fig. 6 (b), and Fig. 6 (d) shows a bottom view of the liquid crystal module. As shown in FIG. 6C, when the assembly of the liquid crystal module is completed, it can be seen that the circuit component 22 is positioned in the predetermined space shown in FIG. 4. In addition, it can be seen that the front support bar 30 has a supporting function for protecting the lower end where the circuit component 22 is located from external impact. As shown in FIG. 6 (d), the front support bar 30 and the backlight assembly 10 have a lamp FPC space 35 for exposing the lamp FPC 11 to the lower end. As shown in the front view of FIG. 6 (a), the front assembly protrusion 36 is formed in the backlight assembly frame so that the front support bar 30 is coupled to the correct position.

Figure 7 is a view of the front support bar 30 used in the liquid crystal module of the present invention, Figure 7 (a) is a rear perspective view seen from the rear direction, Figure 7 (b) shows a front view. The front support bar 30 is formed in the longitudinal direction to protect from external impact applied to the support bar coupling groove 37 and the lower end coupled to the embossing 38 and the front frame protrusion 36 to improve the strength. It can be seen that the lower support end 39 is bent inward to protect the circuit module from the impact from the outside.

The liquid crystal module according to the present invention is located in the vicinity of the area where the liquid crystal panel and the liquid crystal FPC are bonded to the circuit component mounted on the liquid crystal FPC and then mounted in a predetermined area on the lower end of the backlight / liquid crystal storage frame of the liquid crystal module used in the mobile phone The thickness can be reduced. Therefore, it can help a lot in manufacturing thin mobile phones.

In addition, by providing a separate front support bar, when the circuit component is positioned at the lower end, it is possible to solve the problem of breakage of the circuit component and short circuit of the FPC joint due to external impact applied to the lower end.

While the preferred embodiments of the present invention have been described using specific terms, such descriptions are for illustrative purposes only, and it is understood that various changes and modifications may be made without departing from the spirit and scope of the following claims. Should be done.

Claims (8)

A liquid crystal module mounted on a mobile phone having a main board, It has a bottom surface, left and right side walls and the top wall, the bottom surface, left and right side wall and the top wall is provided with a plurality of coupling grooves, the bottom surface of the bottom end is formed above the left and right side walls end of the bottom bottom surface and the left and right An outer frame having component receiving spaces formed by sidewalls; A backlight assembly mounted on a light guide plate, a diffusion plate, an LED lamp, and a lamp FPC for supplying power to the LED lamp, the backlight assembly having a backlight assembly edge frame having a locking protrusion coupled to the coupling groove; A liquid crystal panel coupled to the front surface of the backlight assembly; A liquid crystal FPC electrically connected to the liquid crystal panel to receive an electrical signal from a main board of a mobile phone; And And a circuit component mounted on the liquid crystal FPC, wherein the circuit component is provided in the component accommodating space. The method of claim 1, The backlight assembly border frame is formed along the shape of the bottom edge of the bottom bottom surface of the outer frame and the left and right edges of the backlight assembly border frame are formed along the shape of the left and right walls of the outer frame, And a second edge extending downward longer than the left and right side walls of the frame and connecting the left and right edges of the backlight assembly edge frame to each other. delete delete The method of claim 1, The outer frame is provided with a metal material, the backlight frame frame frame is a liquid crystal module, characterized in that provided with a synthetic resin material. The method of claim 1, And a front frame protrusion formed at a front lower end of the backlight assembly rim frame, the front frame protrusion being inserted into and attached to the front frame protrusion to protect the circuit component. The method of claim 6, The front support bar is formed over the longitudinal direction of the liquid crystal module, characterized in that the embossing for improving the strength is provided. The method of claim 6, Liquid crystal module, characterized in that the front support bar is provided with a lower support end bent inward to protect from external impacts applied from the lower end.

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