KR20170120001A - Edge frame manufacturing method for display panel - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method of manufacturing an edge frame for a display panel, and more particularly, to a method of manufacturing an edge frame for a display panel, which comprises forming a frame having a panel on which a back cover is mounted, step; Providing a plurality of bending portions in the frame and touching the bending portion of the frame with reference to the bending portions; Bending a bending portion located so as to correspond to the outer side or the inner side of the bending portion of the frame; And bending the remaining bending portions after the first bending operation to form a rectangular frame.
That is, according to the present invention, the edge frame disposed at the edge of the display panel is bent to reduce the number of workings. In order to prevent interference between the frames during the edge frame bending operation, Contact portion having a noncontact portion is formed to allow bending operation without interference between the inner and outer portions when bending the bending portion, thereby improving ease of operation through the method.

Description

TECHNICAL FIELD [0001] The present invention relates to a method of manufacturing an edge frame for a display panel,

The edge frame for the display panel and the back cover is formed of a conductive synthetic resin so that the conventional conductive tape or the conductive auxiliary material can be omitted and the manufacturing cost can be reduced. In addition, the edge frame can be bent, Contact portion having an opposite inclination relative to the bending portion is formed on the base portion of the frame with reference to the bending portion in order to prevent interference between the bending portions of the edge frame during bending operation of the edge frame, And more particularly, to a method of manufacturing an edge frame for a display panel capable of bending work without interference between inner and outer portions.

A conventional method of manufacturing an edge frame for a display panel is disclosed in Korean Patent No. 10-1251027 (hereinafter referred to as "prior art").

The above-mentioned prior art has a step of cutting a metal plate from a metal plate into a strip shape having a length equal to the entire circumference length of the edge frame, and a step of firstly bending the metal plate in a " And a step of secondarily bending the metal plate bent in the shape of a letter "I" so as to have a crisscross shape, and connecting both ends of the metal plate after the second bending.

It is an object of the present invention to provide a method of manufacturing an edge frame for a display panel, which can reduce a material (metal plate) and reduce a mold cost.

In this case, in the case of the edge frame of the prior art, when electric charges emitted from the panel are accumulated, a conductive tape is tapped to prevent generation of static electricity, momentary electricity generation and electromagnetic interference (EMI) Conductive materials, that is, conductive metal materials have been used.

However, in the case of a conventional edge frame, a manufacturing cost is increased because a large amount of material cost is required at the time of manufacture, and an edge frame (EF) of a square frame type must be manufactured by producing a press or a mold. There is a disadvantage that economical efficiency is low.

Accordingly, there is a desperate need to develop an edge frame that can solve the problems of the prior art, reduce the cost of producing and manufacturing an edge frame, and make it easy to manufacture.

Patent Document: Korean Patent No. 1251027 (Mar.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems,

The edge frame for the display panel and the back cover is formed of a conductive synthetic resin so that the conventional conductive tape or the conductive auxiliary material can be omitted, thereby reducing manufacturing costs.

The present invention relates to a method of manufacturing an edge frame by bending an edge frame so as to have a rectangular shape to improve work efficiency by reducing the number of workings and to prevent interference between frames when the edge frame is bent, It is another object of the present invention to improve the ease of operation by forming a non-contact portion and bending the bending portion without interference between the bending portions.

The present invention is characterized by adding a certain amount of conductive material to form an edge frame to disperse the electric charge emitted from the panel or by forming an inflow hole and a discharge protrusion corresponding to each other in the inner surface portion of the frame and the back cover in a physical structure, Another object of the present invention is to provide a conductive electrostatic shielding structure capable of eliminating static electricity, momentary electricity, electromagnetic interference (EMI), and the like due to the accumulation of charges by discharging charges emitted from the electrodes.

According to another aspect of the present invention, there is provided a method of manufacturing an edge frame for a display panel, the method comprising: (a) forming a frame having a panel and a back cover on which the panel and the back cover are seated; (b) providing a plurality of bending portions in the frame, and firing a rest portion of the frame with respect to each of the bending portions; (c) firstly bending a bending portion positioned to correspond to the outer side or the inner side of the bending portion of the frame; And (d) bending the remaining bending portions after the first bending operation according to the step (c) to form a rectangular frame.

The noncontact portion of the frame according to the present invention is formed with a non-contact portion which is inclined in the opposite direction with respect to the respective bending portions.

The connection portion between the rim portion and the non-contact portion according to the present invention is further provided with a burst preventing portion for preventing rupture between the rim portion and the ring-shaped portion at the time of bending the frame.

In the step (a) according to the present invention, the frame is formed of a synthetic resin, and the synthetic resin contains a predetermined amount of conductive material for preventing static electricity.

The method may further include the step (E) of providing a coupling portion at both ends of the frame according to the present invention, and closing the coupling portion at the same time or at the same time as the second bending operation in the step (D).

The coupling part according to the present invention is characterized in that it is coupled by an adhesive tape or an adhesive.

The coupling portion according to the present invention includes an arm or a male coupling portion formed at one end of the frame and a male or female coupling portion formed at the other end of the frame.

In the present invention, a plurality of inlet holes are formed in the housing of the frame, and a discharge protrusion inserted into the inlet hole is formed in the back cover.

The height of the discharge protrusion of the back cover according to the present invention is formed to be lower than the height of the inlet hole of the seat portion.

The method of manufacturing an edge frame for a display panel according to the present invention is characterized in that an edge frame for a display panel and a back cover is formed of a conductive synthetic resin so that a conventional conductive tape or a conductive auxiliary material is not used, The effect can be enhanced.

The present invention relates to a method of manufacturing an edge frame by bending an edge frame so as to have a rectangular shape to improve work efficiency by reducing the number of workings and to prevent interference between frames when the edge frame is bent, By forming a non-contact portion, it is possible to bend the bending portion without bending interference between the bending portions, thereby improving the ease of operation.

The present invention is characterized by adding a certain amount of conductive material to form an edge frame to disperse the electric charge emitted from the panel or by forming an inflow hole and a discharge protrusion corresponding to each other in the inner surface portion of the frame and the back cover in a physical structure, The electrostatic discharge shielding structure capable of removing static electricity, momentary electricity, electromagnetic interference (EMI), and the like due to the accumulation of electric charges by discharging the electric charge discharged from the electrostatic discharge shielding structure.

1 is a flowchart showing a method of manufacturing an edge frame for a display panel according to the present invention,
FIGS. 2 to 7 are process drawings showing a manufacturing process of an edge frame according to the present invention,
8 is a sectional view showing an example of using an edge frame according to the present invention,
9 to 11 are a conceptual view and a sectional view showing still another embodiment of an edge frame according to the present invention.

Hereinafter, a method of manufacturing an edge frame for a display panel according to the present invention will be described in detail with reference to the accompanying drawings.

1 to 8, a method of manufacturing an edge frame for a display panel according to the present invention includes:

A step S100 of forming a frame 100 having a mouth part 110 and a rim part 120 connected to the mouth part 110 and a step 130 of forming a bending part 130 in the frame 100 (B) a step (S200) of tapping the inner teeth 110 of the frame 100 with respect to each of the bending parts 130 and a step (S200) of bending the part of the bending part 130 of the bending part 130 of the frame 100, (C) a step (S300) for bending the remaining bending part 130 after the first bending operation, and forming the rectangular frame 100 by bending the remaining bending part 130 after the first bending operation.

As described above, the edge frame EF according to the present invention serves as a mounting frame for disposing the display panel 10 and the back cover 20 in the up-down direction or the back-and-forth direction.

In other words, the edge frame EF is manufactured such that the notch 110 and the rim 120 are connected to each other to have a substantially T-shaped cross-section, and the display panel 10 (or front) And the back cover 20 is seated on the lower (or rear) side of the edge frame EF.

In addition, the rim 120 is disposed so as to surround the edge of the panel 10 and the back cover 20, which are seated on the inner surface 110.

Hereinafter, a method of manufacturing the edge frame EF having the above-described structure and made of synthetic resin will be described in detail with reference to the manufacturing sequence.

First, as shown in FIGS. 1 and 2, step (a) 100 according to the present invention is a step of molding the frame 100.

That is, in the step (a) S100 according to the present invention, the frame 100 is formed by extruding and molding the synthetic resin material by melting. In this case, the frame 110 is formed with a rim 120 connected to the ring- Is formed so as to have a substantially T-shaped cross section.

When molding the frame 100, a predetermined amount of conductive material is added to the synthetic resin.

This is because, in the case of the existing edge frame EF, the conductive tape is tapped to prevent generation of static electricity, generation of instantaneous electric power and generation of electromagnetic interference (EMI) when electric charges emitted from the panel 10 are accumulated, or The edge frame (EF) itself has been using conductive sub-materials, i.e., conductive metal materials.

However, in the case of the conventional edge frame (EF), production cost is increased because a large amount of material cost is required at the time of manufacturing, and an edge frame (EF) of a square frame type is to be produced by producing a press or a mold. There is a drawback that the unit price is increased and the economical efficiency is lowered.

Therefore, in the present invention, the edge frame (EF) is formed by mixing the conductive resin material, that is, the AC wax, the conductive carbon polymer, the conductive iron oxide polymer, and the like in a suitable ratio, so that the edge frame (EF) It is possible to suppress the generation of static electricity, momentary electricity, and electromagnetic interference (EMI).

In this way, the material cost can be reduced as compared with the conventional edge frame (EF), and the edge frame (EF) can be extracted by the extrusion method, thereby reducing the manufacturing cost and improving the economical effect.

Next, as shown in FIGS. 1 to 3, step (b) S200 according to the present invention sets the bending part 130 in the frame 100 and moves the frame 100 (Not shown).

The step (b) 200 according to the present invention sets the plurality of bending portions 130 to bend the formed frame 100 in the shape of a rectangle in the step (a) of FIG.

In other words, since the display panel 10 is generally formed in a rectangular shape, four bending units 130 are set in one frame 100. FIG.

In this case, since each of the bending portions 130 is to be bent, the annular portion 110 formed in the shape of a straight line is incised or cut into a certain shape so that when the bending portion 130 of the frame 100 is bent, It is necessary to prevent interference by the first and second antennas 110 and 110.

Therefore, it is preferable that the notched portion 110 of the frame 100 be formed with a non-contact portion 140 which is inclined with respect to each of the bending portions 130.

The non-contact portion 140 formed by the bending portion 130 is pressed against the bending portion 130 by bending operation of the bending portion 130, It is preferable to be produced in the form of a photograph.

This is because when the bending portions 130 are bent at an angle of 90 degrees, the portions cut out from the notch portion 110 are close to each other and overlap each other, Or the back cover 20 is placed on the inner housing 110, the panel 10 or the back cover 20 is not horizontally disposed, or the quality of the flap assembly is deteriorated.

Therefore, the non-contact portions 140 punched out of the guide portion 110 are inclined so as to be opposed to each other, so that when the bent portions 130 are bent, the ends of the punched out portion 110 are not in contact with each other It is desirable to solve the above problems.

The inner end of the noncontact portion 140 may be broken due to bending when the frame 100 is bending work. In this case, the inner end of the noncontact portion 140 may be bent It is preferable to form a groove-shaped anti-cracking portion 150 at the inner end of the non-contact portion 140 at the time of punching work.

This is because the bending stress is concentrated at the inner end of the non-contact portion 140 disposed adjacent to the bending portion 130, that is, at the end portion of the holding portion 110, 120, it is preferable to form a grooved anti-cracking part 150 formed in an inner direction at an end portion of the notched part 110 where stress is concentrated so that the stress can be dispersed.

In addition, step (c) S300 according to the present invention as shown in FIGS. 1 to 4 is a step for first bending some of the bending parts 130 out of the respective bending parts 130 of the frame 100.

3 and 4, the left bending portion 130 is divided into first to fourth bending portions 131 and 132 (refer to FIG. 3 and FIG. 4) 133) 134, and the first bending operation first bends a bending point positioned so as to correspond to the outer side or the inner side among the respective bending points.

For example, the bending points corresponding to each other are the first bending point 131 and the fourth bending point 134 disposed on the outermost side, and the second bending point 132 and the third bending point 133 disposed on the inner side.

3 and 4, the first and fourth bending points 131 and 134 are first bent, but the second and third bending points 132 and 133 are first bent It is also possible to bend.

Next, as shown in FIGS. 1 to 7, in step (d) S400 according to the present invention, after the first bending work, the remaining bending part 130 is secondarily bent to form a square frame edge frame EF .

As described above, when the first and fourth bending points 131 and 134 are bent in the first bending operation after performing the first bending operation according to the step (c) S400), the second and third bending points 132, 133 are bent to produce a frame-shaped edge frame EF.

When the second and third bending points 132 and 133 are first bent in the first bending operation, the first and fourth bending points 131 and 134 are bent to perform a second bending operation .

As shown in FIG. 1 and FIG. 5, step (e) 500 according to the present invention may be performed after the edge frame EF is formed through the steps (a) to (d) And a process for finishing both ends of the frame 100 to be fixed.

To this end, a coupling portion 160 is formed at both ends of the frame 100. The coupling portion 160 is formed by introducing an adhesive tape (not shown) or an adhesive (not shown) 100 can be closed at both ends.

5, the engaging portion 160 may be formed as an arm or male engaging portion formed at one end of the frame 100 and a male or female engaging portion formed at the other end of the frame 100. [

In this case, when the female engaging portion 161 is formed at one end (or the other end) of the frame 100, the male engaging portion 163 may be formed at the other end (or one end) of the frame 100, 161 is formed in a groove shape at the end of the frame 100 and in the case of the male engaging portion 163 is formed as a projection.

At this time, during the secondary bending operation, the respective engaging portions 160, i.e., the male engaging portions 163 are inserted into the female engaging portions 161, or simultaneously with the secondary bending operation, or after the secondary bending operation, It is also possible to perform the operation in the form of combining the parts separately.

Finally, as shown in FIGS. 9 to 11, the present invention attempts to introduce a physical static shielding structure into the edge frame EF for preventing static electricity.

A plurality of inflow holes 170 are formed in the inner surface 110 of the frame 100 and a discharge protrusion 21 inserted into the inflow hole 170 is formed in the back cover 20. In this case, The protrusion 21 is formed by bending the edge of the back cover 20.

The discharge protrusion 21 is inserted into the inlet hole 170 when the back cover 20 is seated on the inner surface 110 of the frame 100. At this time, 170, and discharged through the discharge protrusions 21, static electricity, momentary electricity, electromagnetic interference noise, and the like can be suppressed.

The discharge protrusion 21 inserted into the inflow hole 170 is formed in the lower surface of the panel 10 so that the height of the discharge protrusion 21 of the back cover 20 is lower than the height of the inflow hole 170, As shown in Fig.

This is because the discharge protrusion 21 is also made of a metal material so that the discharge protrusion 21 directly contacts the panel 10 because the back cover 20 is made of a metal material and the panel 10 and the back cover 20 This is because the shielding structure between the panel 10 and the back cover 20 is broken and a problem occurs.

The height of the discharge protrusion 21 is made lower than the height of the inflow hole 170 so that the discharge force of the panel 10 can be smoothly discharged while maintaining the shielding structure between the panel 10 and the back cover 20 It is preferable that the charge can be smoothly discharged through the inlet hole 170 and the discharge projection 21.

In addition, the inlet hole 170 according to the present invention may be manufactured by using a cutter when punching the non-contact portion 140 by punching the inner tooth portion 110 in step (b) (S200) . ≪ / RTI >

The discharge protrusion 21 of the back cover 20 may be formed in step (b) S200 or may be manufactured through a separate process when the back cover 20 is processed.

8 and 11 show a state in which the panel 10 and the back cover 20 are assembled to the edge frame EF according to the present invention. And the back cover 20 is disposed at the lower portion.

Figs. 8A and 11B show a case where the back cover 20 is formed in a flat or curved shape, and Figs. 8B and 11A show a case in which the back cover 20 The mounting portion 23 is formed by cutting the edge portion of the back cover 20 so that the mounting portion 23 of the back cover 20 is seated and assembled with the mounting portion.

11 shows a state in which the inlet hole 170 and the discharge protrusion 21 of the back cover 20 are formed and assembled in the guide portion 110. As shown in FIG.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. And should be construed as being included in the scope of the invention.

EF: Edge frame 10: Panel
20: back cover 21: ejection projection
23: mounting part 100: frame
110: anchoring portion 120: rim portion
130: Bending section 140: Non-contact section
150: burst preventing portion 160: engaging portion
170: inlet hole S100: (a)
S200: (b) Step S300: Step (c)
S400: (d) Step S500: (e)

Claims (9)

(a) a face portion 110 on which the panel 10 and the back cover 20 are seated, a frame portion 120 connected to the face portion 110 and surrounding the panel 10 and the back cover 20, (S100);
(b) a step (S200) of providing a plurality of bending portions 130 on the frame 100 and tapping the face portion 110 of the frame 100 with respect to each of the bending portions 130;
(c) bending (130) the bending portion 130 positioned so as to correspond to the outer side or the inner side of the bending portion 130 of the frame 100; And
(d) bending the remaining bending part 130 after the first bending operation in step (c) (S300) to form a rectangular frame 100 (S400);
And an edge portion of the edge frame.
The method according to claim 1,
Wherein the non-contact portion (140) of the frame (100) is formed with a non-contact portion (140) opposed to the bending portion (130) with respect to the base portion (110) of the frame (100).
3. The method of claim 2,
A connection portion between the rim portion 120 and the non-contact portion 140 is provided with a rupture prevention portion (not shown) for preventing the rim portion 120 from breaking between the rim portion 110 and the rim portion 110 during bending operation of the frame 100 150) is further provided on the edge frame (110).
The method according to claim 1,
In step (a) (S100), the frame 100 is formed of a synthetic resin,
Wherein the synthetic resin material contains a predetermined amount of conductive material for preventing static electricity.
The method according to claim 1,
(E) providing a coupling portion 160 at both ends of the frame 100 and closing the coupling portion 160 at the same time or at the same time as the secondary bending operation in the step (d) (S500). ≪ Desc / Clms Page number 13 >
6. The method of claim 5,
Wherein the coupling portion (160) is coupled by an adhesive tape or an adhesive.
The connector according to claim 5, wherein the coupling portion (160)
An arm or male engaging portion formed at one end of the frame 100,
And a male or female engaging portion formed at the other end of the frame (100).
The method according to claim 1,
A plurality of inflow holes 170 are formed in the inner teeth 110 of the frame 100,
And a discharge protrusion (21) inserted into the inflow hole (170) is formed in the back cover (20).
9. The method of claim 8,
Wherein the height of the discharge protrusions (21) of the back cover (20) is lower than the height of the inlet holes (170) of the inner teeth (110).

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