KR20000018159U - A display unit - Google Patents

Abstract

The present invention relates to a display unit having a flat type display such as a liquid crystal display for use as a display device of an electronic device such as a notebook computer, the display unit of the present invention is a flat panel display back panel It is fixed at the back. Such a display unit includes a front panel having a window formed on the front surface, a back panel having a bottom surface facing the front surface of the front panel, a flat display having a frame, and a plurality of fastenings formed on one surface of the frame corresponding to the bottom surface of the back panel. And a fastening member inserted into the plurality of fastening holes through the plurality of through holes and the plurality of through holes corresponding to the holes and the plurality of fastening holes.

Description

Display unit {A DISPLAY UNIT}

The present invention relates to a display unit, and more particularly to a display unit having a flat type display such as a liquid crystal display for use as a display device of an electronic device such as a notebook computer.

Portable computers such as notebook computers, wallet personal computers, personal digital assistants, and hand-held personal computers have been introduced in various models with the development of technology. It is expanding. These portable computers are generally used for flat display such as liquid crystal display (liquid crystal display) for miniaturization and light weight. Such portable computers are becoming smaller and thinner for the convenience of carrying. On the other hand, for the convenience of the user, a display unit having a wider viewing area is required.

As shown in FIG. 1, the mounting structure of the display unit 110 in the conventional portable computer 100 is fixed to the rear case 112 by fastening the screw 130 at the side 116a of the liquid crystal display 116. Side mounting structure is the mainstream. However, in the side mounting structure of the conventional display unit 110, the liquid crystal display 116 and the rear case 112 are separately separated because the force is not evenly transmitted to the rear case 112 during the hinge test of the display unit 110. Motion, which causes line defect defects in the liquid crystal display. In addition, the bracket 120 is required to fix the screw 130 to the side 116a of the liquid crystal display 116, and the bracket 120 is disposed between the side 116a of the liquid crystal display and the case 112. Side spaces in which) may be located must be secured. Therefore, when designing the display unit, the space up to the portion including the bracket 120 should be sufficiently considered. That is, the conventional display unit 110 has a problem that the side size of the case is unnecessarily large due to the bracket 120 installed on the side.

The present invention is to solve such a conventional problem, its purpose is to assemble a flat panel display, to assemble a flat panel display without a separate fixed structure, and to widen the display area of the liquid crystal display to the size of the housing as much as possible. A new type of display unit can be provided.

1 is a view showing a mounting structure of a conventional liquid crystal display unit;

2 is an exploded perspective view of liquid crystal display units according to a first embodiment of the present invention;

3A and 3B are views sequentially showing the assembled state of the display unit according to the first embodiment of the present invention;

4 is an exploded perspective view of liquid crystal display units according to a first embodiment of the present invention;

5A and 5B are views sequentially illustrating an assembly state of the display unit according to the second embodiment of the present invention.

* Explanation of symbols for the main parts of the drawings

10: portable computer 12: computer body

20: display unit 22: rear case

22a: rear 24: through hole

26: front case 28: window

30 liquid crystal display 32 display area

34 frame 36 fastening hole

40: screw

According to a feature of the present invention for achieving the above object, a display unit includes a housing having a front and rear window formed with a window, a flat display having a frame and received inside the housing such that a display area faces the front surface; A plurality of fastening holes formed in one surface of the frame facing the rear surface; A plurality of through holes corresponding to the plurality of fastening holes and formed on a rear surface of the housing; And a fastening member inserted into the plurality of fastening holes through the plurality of through holes.

In the present invention, the frame may be made of a conductive material to shield electromagnetic interference.

According to another feature of the present invention, the display unit comprises a front case with a window formed on the front; A rear case having a bottom surface facing the front surface of the front case; A flat panel display having a frame and accommodated in an internal space formed by the combination of the front case and the rear case so that the display area faces the front of the front case; A plurality of fastening holes formed in one surface of the frame corresponding to the bottom surface of the rear case; A plurality of through holes corresponding to the plurality of fastening holes and formed on a bottom surface of the rear case; And a fastening member inserted into the plurality of fastening holes through the plurality of through holes.

In the present invention, the rear case is coated with a conductive paint on the inner surface to shield electromagnetic interference, and the frame may be made of a conductive material so that electromagnetic interference noise signals generated in the flat panel display are emitted to the rear case.

Since the display unit of the present invention does not require a separate fixing structure when fixing the liquid crystal display to the housing, it is possible to reduce the production cost accordingly. In addition, there is an advantage that the assembly process is simplified because fewer parts. In addition, since no space is required between the side of the housing and the side of the liquid crystal display, the display area of the liquid crystal display can be as wide as possible to match the size of the housing.

Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. 2 to 5b. In addition, in the drawings, the same reference numerals are denoted together for components that perform the same function.

2 to 3b are views for explaining a mounting structure of a display unit according to a first embodiment of the present invention.

2 to 3B, the display unit 20 according to the first exemplary embodiment of the present invention includes a liquid crystal display 30, a rear case 22, and a front case.

The rear case 22 has a rear face 22a. The backside 22a of the rear case is coated with a conductive paint for shielding electromagnetic interference. For example, the rear case may be provided with a shielding plate for shielding the electromagnetic interference. The rear case 22 has a size that can accommodate the liquid crystal display 30. For example, the rear case 22 may have various sizes, but the rear case 22 may be formed to have a size that can accommodate a liquid crystal display to be accommodated.

The liquid crystal display 30 has a display area 32 of a certain size in front, and the edge of the liquid crystal display is surrounded by the frame 34. In addition, fastening holes 36 are formed on one surface of the frame facing the rear surface 22a of the rear case 22 at regular intervals. The frame 34 of the liquid crystal display may be formed by various methods. In general, the frame 34 may be formed of a material such as aluminum alloy or zinc alloy, and may be formed by an injection process or a die casting process. For example, the frame is made of a conductive material such that electromagnetic interference (EMI) noise signals generated in the flat panel display are emitted to the rear case. In addition, the through holes 24 are formed at positions corresponding to the fastening holes 36 of the liquid crystal display on the rear surface 22a of the rear case 20. For example, the liquid crystal display 30 is fixed to the rear case 22 by a screw 40 fastened to the fastening hole 36 through the through hole 24. In this case, a portion in which the fastening holes 36 of the frame 34 are formed is formed of a finger, and the finger 35 is formed by a stamping or embossing process, and the pinger 35 is the display. Grounded to the unit's interface board (not shown). Although not shown, the interface board is grounded to a hinge axis or other grounding band of the computer body.

On the other hand, the front case 26 has a window 28 on the front. The window 28 is preferably formed in the same manner as the display area 32 of the liquid crystal display. The front case 26 is formed to be coupled to the rear case 22. For example, the front case 26 is coupled to the rear case 22 and serves as a cover to cover the neat portions such as a hinge portion for coupling the frame 34 of the liquid crystal display and the computer main body.

The display unit of the present invention having the configuration as described above can be coupled via the computer body and the hinge coupling structure. Through this coupling relationship, the display unit is folded on the upper surface of the main body.

Referring again to FIG. 2, the portable computer 10 uses the display unit 20 having the configuration as described above. The display unit 20 is coupled to the hinge shaft 18 of the computer body 12, is covered on the top surface of the computer body 12, and opens from the top surface of the computer body 12.

The computer body 12 houses various electronic elements. In this case, the electronic elements include a keyboard assembly 14 including a plurality of key switches and at least one printed circuit board having a matrix electrically connected to the key switches, and a central computing unit (CPU) of a computer. And power supplies such as batteries and suitable storage devices such as hard disks or floppy disks. There is also a pointing device 16 for controlling the pointer on the display area of the display unit. The electronic elements are located inside the computer body or positioned to be exposed to the outside of the computer body. The display unit 20 serves as a cover that protects key elements of a keyboard exposed to the top of the computer body when the display unit 20 is covered on the top of the computer body 12.

The display unit 20 is electrically connected to the computer main body by a cable (flexible cable; not shown). For example, the cable is connected to the main board of the computer main body and the interface board (not shown) of the liquid crystal display, respectively.

The structural feature of the present invention is that the liquid crystal display is inserted from the rear of the rear case

3A and 3B are views sequentially illustrating the assembled state of the display unit according to the embodiment of the present invention.

Referring to FIGS. 3A and 3B, the method of installing the liquid crystal display 30 in the rear case 22 may first include the rear case 22 such that the display area 32 faces the front surface of the liquid crystal display 30. ) Thus, in the state where the liquid crystal display 30 is placed in the storage space of the rear case 22, the screw 40 through each through hole 24 formed in the rear surface 22a of the rear case 22. The liquid crystal display 30 is directly fastened to the fastening holes 36 formed in the frame 34 of the liquid crystal display 30 respectively (see FIG. 3A). When the front case 26 is coupled to the rear case 22 in a stable state, assembling of the display unit 20 is simply completed (see FIG. 3B). Meanwhile, as shown in FIG. 3B, In order to neatly process the appearance design of the display unit, it is preferable to attach a marking sticker 50 to the through hole 24. For example, since the combination of the computer main body 12 and the display unit 20 is combined by a conventional hinge structure, description thereof will be omitted.

The liquid crystal display 30 is easily fixed to the rear surface 22a of the direct rear case 22 by a screw 40 without a separate fixing structure at the rear of the rear case 22. That is, since the liquid crystal display 30 is firmly attached and fixed to the rear surface 22a of the rear case 22 as compared with the conventional side mounting structure, it is possible to minimize the line coupling defect of the liquid crystal display due to the flow of the hinge. have. In addition, the display unit according to the embodiment of the present invention does not require a separate fixing structure (bracket) for fixing the liquid crystal display 30 to the rear case 22. Therefore, the number of parts accordingly is reduced, and also its manufacturing cost can be reduced. As a result, the production cost of the display unit can be reduced. In the display unit 20 of the present invention, since a space for installing a separate bracket or structure is unnecessary, the space utilization surface is very excellent. Therefore, the display area of the liquid crystal display can be maximized.

4 to 5B are diagrams for describing notebook computers using a display unit according to a second exemplary embodiment of the present invention.

4 to 5B, the display unit 20 ′ according to the second embodiment of the present invention includes a liquid crystal display 30 ′ and a rear case 22.

The rear case 22 has the same function and configuration as the rear case of the first embodiment. The liquid crystal display 30 'has a display area 32 of a predetermined size in front, and the edge of the liquid crystal display 30' is surrounded by the frame 34 '. In addition, fastening holes 36 are formed on one surface of the frame 34 ′ facing the rear case 22 at regular intervals. A flange 37 for coupling with the rear case 22 is formed on the frame 34 ′ of the liquid crystal display. For example, the front surface of the frame 34 'of the liquid crystal display 30' includes a cover function that covers the front surface of the rear case 22 as shown in FIGS. 5A and 5B. In other words, in the display unit 20 'of the present invention, the frame 34' includes a cover function of the front case of the first embodiment. The frame 34 'of the liquid crystal display 30' may be formed by various methods. In general, the frame 34 'is preferably made of a conductive material. In addition, fastening holes 36 are formed on one surface of the frame 34 ′ facing the rear surface 22a of the rear case 22 at regular intervals.

On the other hand, through holes 24 are formed in the rear surface 22a of the rear case 22 (the surface facing the rear surface of the liquid crystal display) corresponding to the screw holes 36 of the liquid crystal display 30. On the other hand, the frame 34 'of the liquid crystal display has a configuration for shielding electromagnetic interference as described above.

The display unit 20 'according to the second embodiment having such a configuration may be coupled to the computer main body 12 having the configuration as described above through a hinge coupling structure. Through this coupling relationship, the display unit 20 'is folded on the upper surface of the main body.

5A and 5B are views sequentially illustrating an assembly state of the display unit according to the second embodiment of the present invention.

5A and 5B, the method of installing the liquid crystal display 30 ′ on the rear case 22 is very simple. First, the liquid crystal display 30 'is placed in the rear case 22 so that the display area 32 faces the front side. At this time, the flange portion 37 of the upper end of the frame 34 'is coupled to the rear case 22. Thus, in the state where the liquid crystal display 30 'is placed on the rear case 22, the frame of the liquid crystal display through each through hole 24 formed in the rear of the rear case 22, the screw 40 The direct assembly of the display unit 20 'is completed by directly engaging the fastening holes 36 formed in the 34'. (See FIG. 5B.) For example, the computer body 12 and the Since the coupling of the display unit 20 'is coupled by a conventional hinge structure, description thereof will be omitted.

The liquid crystal display 30 ′ according to the second embodiment is easily fixed to the direct rear case with a screw 40 without a separate fixing structure at the rear of the rear case 22. Therefore, when manufacturing the display unit 20 'according to the second embodiment of the present invention, a separate fixing structure (bracket) and a front case for fixing the liquid crystal display 30' to the rear case 22 are unnecessary. Therefore, the number of parts accordingly can be reduced, and also the manufacturing cost thereof can be reduced. As a result, the production cost of the display unit 20 'can be reduced. In addition, since the display unit of the present invention does not require a space for installing a separate bracket or structure, the display area of the liquid crystal display can be maximized with respect to the size of the rear case since the space utilization surface is excellent.

The display unit according to the embodiment of the present invention, such as a mobile computer, a mobile personal computer (wallet personal computer), PDA (personal digital assistant), HPC (hand-held personal computer), such as a flat display unit is used It can be usefully applied to other kinds of portable computers.

Applying this invention, since the liquid crystal display is fixed directly at the rear of the rear case, no space is required between the side of the rear case and the side of the liquid crystal display. Therefore, the display area of the liquid crystal display can be as wide as possible in accordance with the size of the housing, there is an advantage that can meet the needs of the user. In addition, since there is no need for a separate fixing structure for fixing the liquid crystal display, it is possible to reduce the cost and thereby simplify the assembly process by reducing the parts.

Claims (4)

A housing having a front side and a rear side in which windows are formed; A flat panel display having a frame and received inside the housing such that a display area faces the front surface; A plurality of fastening holes formed in one surface of the frame facing the rear surface; A plurality of through holes corresponding to the plurality of fastening holes and formed on a rear surface of the housing; Including a fastening member is inserted into the plurality of fastening holes through the plurality of through holes, Display unit in which a flat panel display is fixed behind the rear case. The method of claim 1, The rear case is coated with a conductive paint on the inner surface to shield electromagnetic interference, And the frame is made of a conductive material such that electromagnetic interference noise signals generated in the flat panel display are emitted to the rear case. A front case having a window formed on the front surface thereof; A rear case having a bottom surface facing the front surface of the front case; A flat panel display having a frame and accommodated in an internal space formed by the combination of the front case and the rear case so that the display area faces the front of the front case; A plurality of fastening holes formed in one surface of the frame corresponding to the bottom surface of the rear case; A plurality of through holes corresponding to the plurality of fastening holes and formed on a bottom surface of the rear case; And a fastening member inserted into the plurality of fastening holes through the plurality of through holes, such that the flat panel display is fixed behind the rear case. The method of claim 3, wherein The rear case is coated with a conductive paint on the inner surface to shield electromagnetic interference, And the frame is made of a conductive material such that electromagnetic interference noise signals generated in the flat panel display are emitted to the rear case.