KR100831432B1 - A display device and a method thereof - Google Patents

Abstract

The present invention includes sequentially forming a backlight unit and a backlight frame on a rear surface of a display unit including an LCD panel; Forming a plurality of perforations in one region of the backlight frame; Forming a driving circuit to cover the perforation; Forming a first back cover covering the display unit at a rear surface thereof; A second back cover is formed by being spaced apart in parallel with the first back cover by a predetermined distance, and the step of forming a heat dissipation port on the outermost upper side or side of the first back cover and the second back cover is disclosed.

LCD panel, backlight unit, back cover, image, injection technique

Description

DISPLAY DEVICE AND A METHOD THEREOF

1 is an exemplary structure diagram of a display device according to a first embodiment of the present invention.

2 is an exemplary structure diagram of a display apparatus according to a second exemplary embodiment of the present invention.

3 is a rear perspective view of a display device in which an image according to a first embodiment of the present invention is formed.

4 is a rear perspective view of the display device according to the second embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

      100, 200: outer case 102, 202: LCD panel

      104a, 104b, 104c: light scattering means 106, 206: light emitting lamp

      108,208: reflector 110,210: backlight flame

      112, 212: drive circuit 114: back cover

The present invention relates to a display device and a method of manufacturing the same, and in particular, by forming a plurality of perforations in the backlight frame of the LCD module or by attaching a separate power supply unit to use the back of the display device as a lamp, the utility of the display device can be improved. A display device and a method of manufacturing the same.

CRT (Cathode Ray Tube) has a certain limit in weight and size in the trend of miniaturization and light weight of various electronic products, and it is expected to replace the liquid crystal display (LCD) using the electro-optic effect In addition, there are plasma display devices (PDPs) using gas discharge and EL display devices (ELDs) using electroluminescence effects. Among them, researches on liquid crystal displays are being actively conducted.

Hereinafter, a conventional display device and a method of manufacturing the same will be briefly described. The conventional display device is a configuration including an LCD module, a driving circuit and a back cover. In general, the method of forming the LCD module includes an edge method and a direct method. In the edge method, an LCD panel part, a prism sheet, a diffusion sheet, a light guide plate, a reflector plate, a lamp, a lamp reflector, and a backlight frame are sequentially formed. In addition, the direct method forms an LCD panel unit, a light scattering means, a light emitting lamp, a reflecting plate, a power lead wire, and a backlight frame in sequence. A driving circuit unit and a back cover are formed on the rear of the LCD module. Here, the backlight frame is formed of a flat plate such as metal.

However, the conventional display device as described above is only useful for the convenience of the front portion of the display device with the LCD panel portion, the rear portion of the display device with a back cover does not play any role. In particular, when the display device is not operating, only the space is occupied, and as one of the home appliances, there is a problem that the utility is inferior.

In addition, the conventional display device has a plurality of heat dissipation grooves are formed in the center of the back cover, dust and dirt is easy to accumulate in the heat dissipation grooves, easy to clean, there is a problem that the aesthetic satisfaction is poor in a simple appearance.

SUMMARY OF THE INVENTION An object of the present invention is to provide a display device and a method of manufacturing the same, which may increase the utility of the display device by forming a plurality of perforations in the backlight frame of the LCD module or by attaching a separate power supply unit and using the rear part of the display device as a lamp. have.

In addition, another object of the present invention is to form an image on the back of the back cover and the heat dissipation groove is formed on the top or side of the outermost portion of the display device, to increase the aesthetic satisfaction, and to provide a display device and a method of manufacturing the same easy to clean Is in.

A display device according to a first embodiment of the present invention, the display unit including the LCD panel; A backlight unit positioned at a rear side of the LCD panel to provide a light source to the LCD panel; A backlight frame having a plurality of perforations for supporting the backlight unit and simultaneously providing a part of the light source in the reverse direction of the LCD panel; A driving circuit positioned at a rear surface of the backlight frame and connected to the backlight unit and formed so that the perforation is not blocked; A back cover covering the display unit from a rear side and having an image formed in an entire area or one area; A heat dissipation port formed at an outermost upper side or side of the back cover; A support part for supporting a main body consisting of the display part and the back cover; And a support part connecting the support part and the main body.

In addition, the display device according to the second embodiment of the present invention, the display unit including the LCD panel; A backlight unit positioned below the LCD panel to provide a light source to the LCD panel; A backlight frame having a plurality of perforations for supporting the backlight unit and simultaneously providing a part of the light source in the reverse direction of the LCD panel; A driving circuit positioned at a rear surface of the backlight frame and connected to the backlight unit and formed so that the perforation is not blocked; A first back cover covering the display unit at a rear surface thereof; A second back cover formed to be spaced apart from the first back cover by a predetermined distance; A heat dissipation port formed at an outermost upper or side portion of the first back cover and the second back cover; A support for supporting a main body consisting of the display unit and the first and second back covers; And a support part connecting the support part and the main body.

The backlight unit includes a plurality of light scattering means, a light emitting lamp and a reflecting plate. The diameter of the perforation is 1 mm (mm) to 500 mm (mm). The image is a painting or photograph, natural scenery, family photograph, garun or cigar alone or merged shape. The back cover is a transparent plastic having a thickness of 1 mm (mm) to 100 mm (mm). The first back cover and the second back cover are transparent plastics having a thickness of 1 mm (mm) to 100 mm (mm). The predetermined interval is 0.01 mm (mm) to 0.5 mm (mm). The support part may include a first support part integral with the main body; A second support unit integral with the support unit; The apparatus may further include a screw connecting the first support part and the second support part to rotate the main body 360 degrees with respect to the fixed support part.

In addition, the manufacturing method of the display device according to the first embodiment of the present invention comprises the steps of sequentially forming a backlight unit and a backlight frame on the back of the display unit including the LCD panel; Forming a plurality of perforations in one region of the backlight frame; Forming a driving circuit to cover the perforation; Forming a back cover covering the display unit at a rear surface thereof, forming a heat dissipation hole at an outermost upper side or side of the back cover, and forming an image in an entire region or a region of the back cover; Coating the back cover.

In addition, a method of manufacturing a display device according to a second embodiment of the present invention includes the steps of sequentially forming a backlight unit and a backlight frame on the back of the display unit including the LCD panel; Forming a plurality of perforations in one region of the backlight frame; Forming a driving circuit to cover the perforation; Forming a first back cover covering the display unit at a rear surface thereof; Forming a second back cover by spaced apart from the first back cover in parallel with a predetermined distance, and forming a heat dissipation hole in an outermost upper portion or a side of the first back cover and the second back cover.

The image is formed by using alone or in combination with an in-mold injection technique, an inkjet injection technique, a laserjet injection technique, a transfer injection technique, a transfer injection technique, a flat plate injection technique or a transparent print injection technique.

The present invention can be commonly applied to an LCD module manufacturing method including an edge method or a direct method, but the direct method will be described as an example. The direct method has been mainly developed as the size of the liquid crystal display device has increased to 20 inches or more, and directs light directly to the front of the LCD panel by arranging a plurality of lamps in a row on the lower surface of the diffusion plate. Such a direct method is mainly used for a large screen display device requiring high brightness because light use efficiency is higher than that of an edge method.

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

1 is a diagram illustrating the structure of a display device according to a first embodiment of the present invention. Referring to FIG. 1, the display device includes a front outer case 100, an LCD panel 102, light scattering means 104a, 104b, 104c, a plurality of light emitting lamps 106, a reflector plate 108, and a backlight flame 110. , A driving circuit 112 and a back cover 114. Here, the light scattering means (104a, 104b, 104c), the light emitting lamp 106 and the reflecting plate 108 is called a backlight unit.

The light scattering means (104a, 104b, 104c) is to prevent the shape of the light emitting lamp from appearing on the display surface of the LCD panel 102 and to provide a light source having a uniform distribution of light as a whole, to enhance the light scattering effect A plurality of diffusion sheets, diffusion plates, and the like are disposed between the liquid crystal panels.

On the inner surface of the backlight frame 110, a reflecting plate 108 is disposed so that the light generated from the light emitting lamp 106 can be irradiated to the display unit of the LCD panel 102.

The light emitting lamp 106 is a Cold Cathode Fluorescent Lamp (CCFL), and electrodes are disposed at both ends of a tube to emit light when power is applied to the electrodes, and both ends of the light emitting lamp 106 are provided. Is fitted in grooves formed on both sides of the backlight frame 110. A power lead wire 106a for transmitting power for driving a lamp is connected to both electrodes of the light emitting lamp 106, and the power lead wire 106a is connected to a separate connector and connected to the driving circuit 112. Therefore, a separate connector is required for each light emitting lamp 106.

That is, a power lead wire 106a connected to one electrode of the light emitting lamp and a power lead wire 106a connected to the other electrode are connected to one connector, and any one of the power lead wire 106a is lowered to the backlight flame 110. Bent to connect with the connector.

A plurality of perforations (not shown) are formed in one region of the reflector plate 108 and the backlight frame 110 to expose a part of the light generated from the light emitting lamp 106 to the rear portion of the display device. The perforation (not shown) is only one embodiment and may be formed in various shapes such as triangle or square. The diameter of the perforations (not shown) is formed from 1 mm (mm) to 500 mm (mm).

The driving circuit 112 is formed on the backside of the backlight frame 110 where perforations (not shown) are not formed, and then the back cover 114 is formed. The back cover 114 is preferably formed of a transparent plastic having a thickness of 1 mm (mm) to 100 mm (mm). A heat dissipation port is formed on the outermost upper side or side of the back cover 114.

An image is formed on the entire area or one area of the back cover 114. The image is formed by any one of an in-mold injection technique, an inkjet injection technique, a laserjet injection technique, a transfer injection technique, a transition injection technique, a flat plate injection technique, and a transparent print injection technique. The image may be a painting, a photograph, a natural landscape, a family photograph, a garfish or a poem.

On the other hand, the back cover 114 may be provided with a separate lamp and power supply that can be used even after the display device is turned off.

2 is a diagram illustrating a structure of a display apparatus according to a second exemplary embodiment of the present invention. Referring to FIG. 2, the display device includes a front outer case 200, an LCD panel 202, light scattering means 204a, 204b, and 204c, a plurality of light emitting lamps 206, a reflecting plate 208, and a backlight frame 210. , A driving circuit 212, a first back cover 214, and a second back cover 216.

The light scattering means 204a, 204b, 204c prevents the shape of the light emitting lamp from appearing on the display surface of the LCD panel 202 and provides a light source having a uniform brightness distribution as a whole.

On the inner surface of the backlight frame 210, a reflecting plate 208 is disposed so that the light generated from the light emitting lamp 206 can be concentrated to the display portion of the LCD panel 202.

The light emitting lamp 206 is a cold cathode tube lamp (CCFL), and electrodes are disposed at both ends of a tube to emit light when power is applied to the electrodes, and both ends of the light emitting lamp 206 are backlight flames 210. It is fitted in the grooves formed on both sides of the. A power lead wire 206a for transmitting power for driving the lamp is connected to both electrodes of the light emitting lamp 206, and the power lead wire 206a is connected to a separate connector and connected to the driving circuit 212.

A plurality of perforations (not shown) are formed in one region of the reflector plate 208 and the backlight frame 210 to expose a part of the light generated from the light emitting lamp 206 to the rear surface of the display device. The perforation (not shown) is only one embodiment and may be formed in various shapes such as triangle or square. The diameter of the perforations (not shown) is formed from 1 mm (mm) to 500 mm (mm).

The driving circuit 212 is formed on the back side of the backlight frame 210 where no perforation (not shown) is formed, and then forms the first back cover 214 and the second back cover 216. The first back cover 214 and the second back cover 216 are preferably formed of a transparent plastic having a thickness of 1 mm (mm) to 100 mm (mm), respectively. The heat dissipation hole is formed at the uppermost or side surfaces of the first back cover 214 and the second back cover 216.

The first back cover 214 and the second back cover 216 are parallel to each other, and the distance between the first back cover 214 and the second back cover 216 is 0.01 mm (mm) to 0.5 mm (mm). To form. The first back cover 214 and the second back cover 216 may be inserted into and removed from an image formed paper.

On the other hand, the inside of the first back cover 214 may be provided with a separate lamp and power supply that can be used even after the display device is turned off.

3 is a rear perspective view of a display apparatus in which an image is formed according to a first exemplary embodiment of the present invention. Referring to FIG. 3, the display device includes a front part 300 in which a display part is disposed in appearance, a back cover 302 covering the display part from a rear side, the front part 300 and a back cover 302. Support portion 304 for supporting the main body made of a), and the support portion 304 and the support portion 306 for connecting the main body.

In the front part 300, display parts such as a liquid crystal panel, a cathode ray tube front surface, and a plasma panel of the display are disposed to display certain data on the front of the display device, and an outer case is disposed at the outside thereof to support the display part.

The back cover 302 is preferably formed of a transparent plastic having a thickness of 1 mm (mm) to 100 mm (mm), and forms a heat dissipation portion at the outermost upper portion or side of the back cover 302.

An image is formed on the entire area or one area of the back cover 302, and the image is an in-mold injection method, an inkjet injection method, a laserjet injection method, a transfer method, a transfer method, a plate printing method, a transparent printing method. It is formed by any one of injection techniques. The image may be a painting, a photograph, a natural landscape, a family photograph, a garfish or a poem.

On the other hand, the back cover 302 may be provided with a separate lamp and power supply that can be used even after the display device is turned off. That is, as an example, only the touch of the support 304 may cause the lighting to be turned on or off only in the back cover 302 regardless of the front part 300.

The support portion 306 is formed of a first support portion 306a integral with the main body and a second support portion 306b integral with the support portion 304, and the first support portion 306a and the second support portion 306b are formed. Insert the connecting screw 308 vertically. Accordingly, the main body may be rotated 360 degrees with respect to the fixed support 304, and when the power of the display device is cut off, the back cover 302 may be turned to the front of the user and used as a lamp.

4 is a rear perspective view of the display device according to the second embodiment of the present invention. Referring to FIG. 4, the display device includes a front part 400 in which a display part is disposed in appearance, a first back cover 402 that covers the display part from a rear side, and a first back cover 402. A second back cover 404 spaced a predetermined distance from the front portion 400, a support portion 406 for supporting the body consisting of the first back cover 402 and the second back cover 404, and A support portion 406 and a support portion 408 connecting the body.

The front part 400 is provided with a display unit to display certain data on the front of the display device, and an outer case for disposing the outer part for supporting the display unit.

The first back cover 402 and the second back cover 404 are preferably formed of a transparent plastic having a thickness of 1 mm (mm) to 100 mm (mm), and the first back cover 402 or the second back cover. A heat dissipation port is formed at the outermost upper side or side of the 404.

The first back cover 402 and the second back cover 404 are parallel to each other, and the distance between the first back cover 402 and the second back cover 404 is 0.01 mm (mm) to 0.5 mm (mm). To form. The first back cover 402 and the second back cover 404 may be inserted into or removed from the paper 405 having an image formed thereon.

On the other hand, the inner side of the first back cover 402 may be provided with a separate lamp and power supply that can be used even after the display device is turned off. That is, as an example, only the touch of the support 406 may cause the lighting to be turned on or off only in the first back cover 402 and the second back cover 404 regardless of the front part 400.

The support part 408 is formed of a first support part 408a integral with the main body and a second support part 408b integral with the support part 406, and connects the first support part 408a and the second support part 408b. The screw 410 is inserted vertically. Accordingly, the main body can be rotated 360 degrees with respect to the fixed support 406, and when the power of the display device is cut off, the first back cover 402 and the second back cover 404 are turned to the front of the user. Can be used as a lamp.

That is, when the display device is not used for its original purpose, the back cover, which is the rear part, can be rotated to the front of the user and used as a lighting lamp. When the display device is used for its original purpose, a plurality of perforations formed in the backlight frame can be used. The light is irradiated onto the transparent back cover on which the image of the display device is formed to provide an aesthetic beauty.

Although the present invention has been described with reference to the embodiments illustrated in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible.

Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

The present invention can increase the utility of the display device by forming a plurality of perforations in the backlight frame of the LCD module or by using a separate power supply unit to use the rear part of the display device as a lamp.

In addition, the present invention prints an image on the back of the back cover and the heat dissipation groove is formed on the upper surface or side of the outermost portion of the display device, it is possible to increase the aesthetic satisfaction, easy to clean.

Claims (12)

A display unit including an LCD panel; A backlight unit positioned at a rear side of the LCD panel to provide a light source to the LCD panel; A backlight frame having a plurality of perforations for supporting the backlight unit and simultaneously providing a part of the light source in the reverse direction of the LCD panel; A driving circuit positioned at a rear surface of the backlight frame and connected to the backlight unit and formed so that the perforation is not blocked; A back cover covering the display unit from a rear side and having an image formed in an entire area or one area; A heat dissipation port formed at an outermost upper side or side of the back cover; A support part for supporting a main body consisting of the display part and the back cover; And And a support part connecting the support part and the main body. A display unit including an LCD panel; A backlight unit positioned below the LCD panel to provide a light source to the LCD panel; A backlight frame having a plurality of perforations for supporting the backlight unit and simultaneously providing a part of the light source in the reverse direction of the LCD panel; A driving circuit positioned at a rear surface of the backlight frame and connected to the backlight unit and formed so that the perforation is not blocked; A first back cover covering the display unit at a rear surface thereof; A second back cover formed to be spaced apart from the first back cover by a predetermined distance; A heat dissipation port formed at an outermost upper or side portion of the first back cover and the second back cover; A support for supporting a main body consisting of the display unit and the first and second back covers; And And a support part connecting the support part and the main body. The method according to claim 1 or 2, The backlight unit includes a plurality of light scattering means, a light emitting lamp and a reflecting plate. The method according to claim 1 or 2, Display diameter of the perforation is 1mm (mm) to 500mm (mm). The method of claim 1, The image is a display device of the famous paintings, photographs, natural scenery, family photographs, garuns or cigars alone or merged. The method of claim 1, The back cover is a display device of 1 mm (mm) to 100 mm (mm) thick transparent plastic. The method of claim 2, The first back cover and the second back cover is a display device of 1 mm (mm) to 100 mm (mm) thick transparent plastic. The method of claim 2, The predetermined interval is 0.01mm (mm) to 0.5mm (mm) display device. The method according to claim 1 or 2, The support portion, A first support unit integral with the main body; A second support unit integral with the support unit; A screw connecting the first support portion and the second support portion; Further comprising a display device that can rotate the body 360 degrees relative to the fixed support. Sequentially forming a backlight unit and a backlight frame on the rear surface of the display unit including the LCD panel; Forming a plurality of perforations in one region of the backlight frame; Forming a driving circuit to cover the perforation; Forming a back cover covering the display unit at a rear surface thereof, forming a heat dissipation hole at an outermost upper side or side of the back cover, and forming an image in an entire region or a region of the back cover; A method of manufacturing a display device comprising coating the back cover. Sequentially forming a backlight unit and a backlight frame on the back of the display unit including the LCD panel; Forming a plurality of perforations in one region of the backlight frame; Forming a driving circuit to cover the perforation; Forming a first back cover covering the display unit at a rear surface thereof; And Forming a second back cover by spaced apart from the first back cover in parallel with a predetermined interval, and forming a heat dissipation port on the outermost upper side or side of the first back cover and the second back cover. . The method of claim 10, The image is a method of manufacturing a display device which is formed by using an in-mold injection method, an inkjet injection method, a laserjet injection method, a transfer method, a transfer method, a flat plate injection method or a transparent print injection method alone or in combination.

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