KR100501594B1 - Flat panel diplay device and the method for the same - Google Patents

Abstract

A flat panel display panel; A rear light emitting unit disposed near the flat panel display panel; A front frame having a side surface having an opening and disposed on the flat panel display panel; A rear frame having a side surface having an opening, a rear surface having an opening, and a side edge portion formed at an area where the side surface and the rear surface meet each other; A first fastener for coupling the front frame and the rear frame through an opening at a side of the front frame and an opening at a side of the rear frame; A housing having a front end and a rear end; And a second fastener coupled to the rear end of the rear frame and the housing through an opening in a rear surface of the rear frame, wherein the flat panel display and the rear light emitting unit are disposed between the front frame and the rear frame. Start the device.

Description

Flat panel diplay device and the method for the same

The present invention relates to a coupling structure and a coupling method of a main body of a portable computer and a flat panel display device.

As shown in FIG. 1, a portable computer called a general laptop is provided with a key input device 102, which is an information input device, exposed, and a built-in information processing device such as a memory device and an associative device (not shown). And a display device assembly 110 for coupling the main body 100 and the hinge 124, and the display device assembly 110 includes a flat panel display device 111 therein. A case 122 is provided to protect and receive it.

In addition, referring to FIGS. 2A and 2B, which illustrate the conventional display device assembly 110 in detail, the flat panel display 111 may include a plasma display panel (PDP) or a field emission (FED). display), but generally, a liquid crystal display device is applied, and the liquid crystal display device includes a liquid crystal panel 112 and a light distribution device (not shown), and a support frame along the edges of the liquid crystal panel 112 and the light distribution device. 114 is bordered.

The display device case 122 is hinged to the main body case 120 accommodating the main body so that the display device assembly 110 can be selectively opened and closed on the main body 100. The hinge mount 124 of the hinge protrudes from an upper portion of the main body case, and the main body case 120 and the display case 122 are connected to the hinge mount 124 via a hinge arm 126. . Therefore, the display device assembly 110 is rotatable with respect to the main body case 120 at a predetermined angle.

Fixing pieces 114a are protruded from both sides of the support frame 114 of the liquid crystal display device 111, and coupling pieces 114b are formed at the lower edges of the support frame 114, while an inner surface of the display device case 122 is formed. A plurality of coupling ribs 122a are formed to be coupled to the fixing piece 114a of the liquid crystal display device 111.

In the assembling process of the liquid crystal display 110, the tip of the hinge arm 126 is first fixed to the coupling piece 114b of the support frame 114 with the screw 128, and the fixing piece 114a of the support frame 9114 is fixed. The fixing rib 122a of the display device case 122 is fastened from the top to the bottom with the screw 128 to complete the assembly.

However, as shown in FIG. 2B, the assembly structure of the liquid crystal display device assembly includes a hinge arm 126 disposed on the liquid crystal display device 110 so that the liquid crystal display device 110 and the display device case 122 are hinged. There is a distance d1 by the width of the arm 126. In addition, the coupling piece 114a is derived from the support frame 136 to occupy space by the width d2 of the coupling piece. As a result, a space (d1 + d2 = D) is formed between the liquid crystal panel 112 and the edge of the display device case 122, thereby increasing the ineffective display area of the liquid crystal display device 110, that is, the flat panel display device. There is a problem that the display area of 112 is reduced.

In order to solve the above problems, a method of adopting a side assembly method and a structure for assembling the flat panel display side in recent years has been proposed.

Referring to FIG. 3, the side assembly structure of the liquid crystal display device includes a pair of fastening holes 122b formed at both side surfaces of the display device case 122.

The support frame 136 is bordered along the edges of the liquid crystal panel 112 and the light distribution device 134 in the liquid crystal display device 9110, and the pair of fastening holes 122b are formed at both sides of the light distribution device 134. A pair of coupling ribs 134a protrude from a corresponding position, and the support frame 136 has a hole that is cut or is matched to a hole of the coupling rib 134a so that the coupling rib 134a does not touch. It is formed.

A hinge arm 106 is positioned between the liquid crystal display 110 and the side wall of the case 122. The hinge arm 106 has a shape parallel to the side wall of the case 122. The through hole 106a is formed at a position corresponding to the coupling rib 134a and the case fastening hole 122b of the device 110.

In the fixing method of the liquid crystal display device 110 having such a structure, the liquid crystal display device 110 is disposed in the case 122, and the hinge arm 106 is positioned between the liquid crystal display device 110 and the case 122. The fastening holes 122b formed on the side surfaces of the case 122, the through holes 106a of the hinge arms 106, and the coupling ribs 134a of the liquid crystal display device are fastened by screws 138.

The side fixing method of the liquid crystal display 110 plays a larger role in extending the display area of the liquid crystal panel 112 by arranging the hinge arm 106 laterally than the front fixing method.

The present invention has been made to improve the above-described side fixing method, and an object of the present invention is to provide a portable computer capable of improving impact resistance and an assembly method thereof.

Another object of the present invention is a portable computer capable of applying the above-described side fixing method even in a situation where the screw is not sufficiently fixed on the sidewall of the liquid crystal display in a situation where the thickness becomes thinner according to the technological progress of the liquid crystal display and its assembly. To provide a way.

Other objects and advantages of the invention will be apparent from the following description of the embodiments.

In order to achieve the above object, the present invention is a flat panel display panel; A rear light emitting unit disposed near the flat panel display panel; A front frame having a side surface having an opening and disposed on the flat panel display panel; A rear frame having a side surface having an opening, a rear surface having an opening, and a side edge portion formed at an area where the side surface and the rear surface meet each other; A first fastener for coupling the front frame and the rear frame through an opening at a side of the front frame and an opening at a side of the rear frame; A housing having a front end and a rear end; And a second fastener coupled to the rear end of the rear frame and the housing through an opening in a rear surface of the rear frame, wherein the flat panel display and the rear light emitting unit are disposed between the front frame and the rear frame. do.

At this time, the opening of the rear of the rear frame is preferably disposed near the side edge portion. In addition, the flat panel display panel is preferably a liquid crystal display panel. In addition, the first and second fasteners are preferably screws, and in this case, the openings in the side and rear surfaces of the rear frame are preferably screw holes.

In addition, a method of manufacturing a flat panel display device including a flat panel display panel, a rear light emitting unit, and a housing having a front end portion and a rear end portion includes: disposing the flat panel display panel near the rear light emitting unit; Passing the first fastener through the openings on the side of the front frame and the openings on the side of the rear frame, the front frame and the rear frame are disposed so that the flat panel display panel and the rear light emitting unit are disposed between the front frame and the rear frame. Combining; Coupling the rear end of the rear frame and the housing such that the side edge portion is formed where the side of the rear frame meets the rear surface of the rear frame by passing the second fastener through the opening of the rear surface of the rear frame; .

At this time, the opening of the rear of the rear frame is preferably disposed near the side edge portion. In addition, the flat panel display panel is preferably a liquid crystal display panel. In addition, the first and second fasteners are preferably screws, and in this case, the openings in the side and rear surfaces of the rear frame are preferably screw holes.

Another characteristic flat panel display device according to the present invention includes a flat panel display panel; A rear light emitting unit disposed near the flat panel display panel; A front frame having a side surface having an opening and disposed on the flat panel display panel; A rear frame having a side surface having an opening portion and a rear surface having a first opening portion and disposed under the flat panel display panel; A first fastener for coupling the front frame and the rear frame through an opening at a side of the front frame and an opening at a side of the rear frame; A support means having an opening on the side of the front frame and a first opening aligned with the opening on the side of the rear frame, wherein the first opening of the support means, the opening on the side of the front frame, Passing the first fastener through the side opening, characterized in that for coupling the support means to the front frame and the rear frame. At this time, by passing through the second opening of the support means which is aligned with the second opening of the rear of the rear frame, further comprising a second fastener for coupling the support means and the rear frame. The support means may further include a first surface substantially parallel to the side of the front frame and the side of the rear frame; And a second surface substantially perpendicular to the first surface, wherein the second surface of the support means corresponds to a second surface of the support means and is aligned with a second opening of the rear surface of the rear frame. In this case, the fastener further includes a second fastener for coupling the support means and the rear frame. In addition, the flat panel display panel is preferably a liquid crystal display panel. In addition, the first fastener is preferably a screw.

delete

delete

delete

delete

delete

delete

delete

delete

delete

delete

       Such a flat panel display device and a manufacturing method thereof according to the present invention can maximize the effective display area by combining the flat panel display device from the side, and also improve the impact resistance by combining the inner surface of the case and the hinge arm. Will be.

       Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. Parts and elements having the same or similar functions are given the same or similar reference numerals.

       4 and 5 are an exploded perspective view and a rear view showing an example of a liquid crystal display according to an embodiment of the present invention.

       As shown in FIG. 4, the liquid crystal display device 10 includes a liquid crystal panel 12 formed on the front surface and a light distribution device path 14 attached to the rear surface.

       The light distribution device 14 includes a diffusion or protective sheet 14a for diffusing the display area of the liquid crystal panel 12, and first and second prism sheets 14b and 14c for condensing light at a predetermined angle. The protective sheet 14d includes a light guide plate 14e and a reflection plate 14f that receive light horizontally and radiate light vertically. The liquid crystal panel 12 and the light distribution device 14 may include a first fixing frame 16a and a light guide plate 14a. It is supported by a supporting frame composed of the second fixing frame 16b, and a fixing groove 15 is formed in the second fixing frame 16b.

       Referring to FIG. 5, a plurality of fixing grooves 15 are formed along the rear end of the liquid crystal display device 10. These fixing grooves 15 are preferable to the stable fixed to be installed in each corner of the back. The fixing groove 15 may be rib-shaped for groove formation, or may have only a groove shape on the back side.

       5 is an exploded perspective view showing an assembly structure of a liquid crystal display device of a portable computer for applying the liquid crystal display device described with reference to FIGS. 4 and 5 to the hinge coupling structure according to the present invention.

       As shown in FIG. 6, the main body case 50 has a hinge mount 40 protruded from an upper portion thereof, and a hinge arm 20 is inserted into the hinge mount 40. That is, the hinge arm 20 is inserted into the hinge mount 40 as a pin portion 20a having a circular cross section on one side thereof, and the other side is formed of a flake portion 20b, and the first surface 21 is a liquid crystal display device. (10) It is parallel to the lower rear surface, and the second surface 22 is formed parallel to the side surface of the liquid crystal display device so that the cross section is "L" shaped. Here, the pin portion 20a and the flake portion 20b may be in a form in which separate members are coupled to each other or may be an integral member.

The hinge arm 20 extends along the sidewall of the display case 30, and is fixed to the first surface 21 at a position corresponding to the position of the fixing groove 15 formed on the rear surface of the liquid crystal display. The projection 27 is formed. In addition, a plurality of holes 28 are formed in the second surface 22, which coincides with the through holes 31 formed in the display device case 30.

According to this embodiment, the method of fixing the liquid crystal display device 10 includes fixing grooves 15 formed on the rear surface of the liquid crystal display device 10 and fixing protrusions 27 of the first surface 21 of the hinge arm 20. The display device using a coupling member 18 such as a screw or a nail through the through hole 31 of the case 30 and the hole 28 of the second surface 22 of the hinge arm 20. The case 30 and the hinge arm are fixed from the side.

On the other hand, the shape of the fixing projection 27 is preferably made of a plastic hook, that is, fastener shape, as shown in the figure for the rigid fixing, and the shape of the fixing hole 15 corresponding thereto also has an inlet having a narrower shape than the inner side. It is preferable.

On the other hand, in order to further improve impact resistance, it is shown in Fig. 7 that the cross section of the hinge arm has a "dent" shape. That is, in FIG. 7, the third surface 23 is formed on the hinge arm 20 of FIG. 6 to support the edge of the display unit of the liquid crystal display.

On the other hand, in this embodiment shown in FIGS. 6 and 7, although the first surface 21 and the third surface 23 are planar, members having a small area, such as a bracket, are coupled to the second surface 22. It is also possible to use.

FIG. 8 shows an example in which the hinge arm is not extended by another modification of the first embodiment. Since the shape of the first surface 921 coupled with the rear surface of the liquid crystal display device 10 has an inverted F shape, it is a configuration for maintaining a fixing force with a short hinge arm instead of the long hinge arm.

9A, 9B, and 9C also show that the first side of the hinge arm can be configured with a variety of different types of hinge arms 20a, 20b and 20c along the inner surface of the case, as a variant of the first embodiment. have. These hinge arms have the advantage that the coupling force between the liquid crystal display device and the hinge arm can be increased, and the arrangement can be freely made according to the rear design of the liquid crystal display device.

In this embodiment, since the coupling member such as a screw is not used as the side of the liquid crystal display device, the side fixing method can be applied to the technological progress according to the thinning of the liquid crystal display device, thereby maximizing the effective display area. By combining with the hinge arm and the inner surface of the display case, the impact resistance is further improved.

FIG. 10 is an exploded perspective view of the liquid crystal display according to the second exemplary embodiment of the present invention, which is similar to FIG. 4, but has a screw hole 19 formed on the side of the liquid crystal display instead of a coupling groove formed on the rear surface of the liquid crystal display. What is formed is the difference.

11 is a schematic exploded perspective view showing an assembling structure and a method of assembling a liquid crystal display device according to a second embodiment of the present invention as described above. The hinge arm 20 of this embodiment also has an "L" shape in which the first surface 21 in contact with the rear surface of the liquid crystal display device 10 and the second surface 22 in contact with the side surface of the liquid crystal display device are perpendicular to each other. Shape.

This embodiment differs from the first embodiment in that the first surface 21 of the hinge arm 20 is coupled to the case and the second surface 22 is coupled to the sidewall of the liquid crystal display.

A screw hole 25 is formed on the first surface, and a through hole, not shown, is formed at a corresponding position of the table case 30 and fastened as a screw 918 on the outer surface side of the display device case 30. In addition, a hole 26 is formed in the second surface 22 of the hinge arm 20, and the screw groove 19 is formed at a position corresponding to the hole 26 of the second surface on the side surface of the liquid crystal display device 10. Are fastened to each other as screws 18.

Meanwhile, FIG. 12 is a variation of FIG. 11, in which the plastic hook, i.e., the first surface 21 of the display device case 30 and the hinge arm 20 does not sporically couple to the first surface of the case 30. , The fastener is formed, the fastener fixing groove (19a) in the case, that is, the inlet is formed a narrower than the inside, the first surface 21 and the case 30 of the hinge arm (20) by simply pushing it without screwing To be combined.

In this embodiment, a nail or the like may be used instead of a screw and a fastener, and a third surface supporting the edge of the display portion of the liquid crystal display device may be provided on the hinge arm, or the length of the hinge arm may not be extended. As described in the first embodiment, of course.

According to the fixing method of the computer and the image display apparatus according to the present invention as described above, the image display apparatus and the hinge arm are basically assembled on the case side, and the advantage of maximizing the effective display area, which is an advantage of the side assembly method, can be maximized. With the hinge arm and the case inside, the liquid crystal display devices are fixed to each other at right angles to each other, so that impact resistance is improved. According to one embodiment, no screw is used on the liquid crystal display side, so that the liquid crystal display There is an advantage that it is possible to cope with thinning of the device.

The embodiments of the present invention described above are merely exemplary, and it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit of the present invention. For example, various other flat panel display devices may be used in place of the love display device, and the protrusions, the screw coupling, the fastener coupling, and the like may all be used together because they are all the same functions.

However, it will be apparent from the scope of the appended claims that all such changes and modifications fall within the scope of the present invention.

1 illustrates a laptop personal computer in general,

Figure 2a is an exploded perspective view showing the assembly structure of the liquid crystal display device in a conventional laptop personal computer,

2B is a state in which a liquid crystal display device is assembled;

3 is a perspective view illustrating a side assembly structure of a conventional liquid crystal display device;

4 is a perspective view showing a liquid crystal display device composed of a liquid crystal panel and a light distribution device according to a first embodiment of the present invention;

FIG. 5 is a rear view of the liquid crystal display according to the first embodiment of FIG. 4;

6 is an exploded perspective view showing the assembling structure of the liquid crystal display device of the portable computer according to the first embodiment of the present invention;

FIG. 7 is an exploded perspective view showing the cross section of the hinge arm in a shape of “＂ ”as a modification of the first embodiment of the present invention; FIG.

FIG. 8 is a perspective view illustrating a liquid crystal display device in which the hinge arm is not extended by the modification of FIG. 6. FIG.

9A, 9B, and 9C are front views illustrating another example of the hinge arm of FIG. 6;

FIG. 10 is an exploded perspective view of the liquid crystal display according to the second embodiment of the present invention.

11 is an exploded perspective view showing an assembly structure of a liquid crystal display device according to a second embodiment of the present invention;

FIG. 12 is a schematic cross-sectional view showing a combination of a display device case and a Hanji arm as a variant of FIG. 9.

Explanation of symbols on the main parts of the drawings

  10 liquid crystal display device 12 liquid crystal panel

  14: light distribution device 15: fixing groove

  16: fixed frame 18: coupling member

  20: hinge arm 27: fixed protrusion

  31: through hole

Claims (26)

A flat panel display panel; A rear light emitting unit disposed near the flat panel display panel; A front frame having a side surface having an opening and disposed on the flat panel display panel; A rear frame having a side surface having an opening, a rear surface having an opening, and a side edge portion formed at an area where the side surface and the rear surface meet each other; A first fastener for coupling the front frame and the rear frame through an opening at a side of the front frame and an opening at a side of the rear frame; A housing having a front end and a rear end; A second fastener for coupling the rear end of the rear frame and the housing through an opening in a rear surface of the rear frame; And the flat panel display and the rear light emitting unit are disposed between the front frame and the rear frame. The method of claim 1, The opening of the rear surface of the rear frame is disposed near the side edge portion. The method of claim 1, And the flat panel display panel is a liquid crystal display panel. The method of claim 1, And the first and second fasteners are screws. The method of claim 4, wherein A flat panel display device having openings at side and rear surfaces of the rear frame. In the manufacturing method of a display device comprising a flat panel display panel, a rear light emitting unit, and a housing having a front end and a rear end, Disposing the flat panel display panel near the rear light emitting unit; Passing the first fastener through the openings on the side of the front frame and the openings on the side of the rear frame, the front frame and the rear frame are disposed so that the flat panel display panel and the rear light emitting unit are disposed between the front frame and the rear frame. Combining; Coupling the rear end of the rear frame and the housing such that the side edge portion is formed where the side surface of the rear frame meets the rear surface of the rear frame by passing the second fastener through the opening of the rear surface of the rear frame; Method of manufacturing a flat panel display device comprising a. The method of claim 6, The opening of the rear surface of the rear frame is disposed near the side edge portion manufacturing method of a flat panel display device. The method of claim 6, And the flat panel display panel is a liquid crystal display panel. The method of claim 6, And the first and second fasteners are screws. The method of claim 9, The opening of the side and rear of the rear frame is a screw hole manufacturing method of a flat panel display device. A flat panel display panel; A rear light emitting unit disposed near the flat panel display panel; A front frame having a side surface having an opening and disposed on the flat panel display panel; A rear frame having a side surface having an opening portion and a rear surface having a first opening portion and disposed under the flat panel display panel; A first fastener for coupling the front frame and the rear frame through an opening at a side of the front frame and an opening at a side of the rear frame; Support means having an opening in the side of the front frame and a first opening aligned with the opening in the side of the rear frame And passing the first fastener through the first opening of the supporting means, the opening of the side of the front frame, and the opening of the side of the rear frame, thereby coupling the supporting means to the front frame and the rear frame. Flat Panel Display. The method of claim 11, And a second fastener for coupling the support means and the rear frame by passing through the second opening of the support means aligned with the second opening on the rear surface of the rear frame. The method of claim 11, The support means, A first surface substantially parallel to the side of the front frame and the side of the rear frame; A second surface substantially perpendicular to the first surface Flat display device further comprising. The method of claim 13, And a second fastener for coupling the support means and the rear frame by passing through the second opening of the support means corresponding to the second surface of the support means and aligned with the second opening on the rear surface of the rear frame. Flat Panel Display. The method of claim 11, And the flat panel display panel is a liquid crystal display panel. The method of claim 11, And the first fastener is a screw. delete delete delete delete delete delete delete delete delete delete