KR20080044682A - Display apparatus and monitor apparatus having the same - Google Patents

Abstract

A display device and a monitor apparatus having the display device are provided to use a top chassis of an LCD(Liquid Crystal Display) as a bezel of a monitor apparatus including the LCD to reduce the width of the bezel of the monitor apparatus and form an oxide coat on the top chassis to improve corrosion resistance and durability of the monitor apparatus. A display device(1000) includes a display panel for displaying images and a top chassis for receiving and fixing the display panel. An oxide coat is formed on the surface of the top chassis. The oxide coat is formed through anodizing. A monitor apparatus includes the display device and a rear bezel(2000) which is combined with the top chassis to cover the backside of the display device.

Description

DISPLAY APPARATUS AND MONITOR APPARATUS HAVING THE SAME}

1 is a perspective view showing a monitor device having a liquid crystal display device according to the present invention.

2 is an exploded perspective view illustrating a liquid crystal display according to the present invention.

3 is a cross-sectional view illustrating A-A of the liquid crystal display of FIG. 2.

4 is a flowchart illustrating a process of forming an oxide film on a surface of an upper chassis according to the present invention.

               <Explanation of symbols for the main parts of the drawings>

100: liquid crystal display panel 210: light source

220: mold frame 230: prism sheet

240: diffusion sheet 250: light guide plate

300: upper chassis 310: oxide film

400: lower chassis 1000: liquid crystal display

2000: rear bezel 3000: information processing device

The present invention relates to a display device, and more particularly, to a display device for reducing the width of an appearance bezel of a finished product and a monitor device having the same.

In general, a flat panel display (FPD) is a display device essential for realizing a compact and lightweight system such as a monitor of a desktop computer, a portable computer such as a notebook computer, a PDA, or a mobile phone terminal. The device includes a liquid crystal display (LCD), a plasma display panel (PDP), a field emission display (FED), and the like.

In particular, the liquid crystal display has been attracting attention as an alternative means to overcome the disadvantages of the conventional cathode ray tube (CRT) due to its advantages such as miniaturization, light weight, and low power consumption. It is applied to various small and medium sized products.

Such a liquid crystal display device includes a liquid crystal display panel for displaying an image, a backlight assembly for providing light to the liquid crystal display panel, a chassis for accommodating the liquid crystal display panel and the backlight assembly, and a liquid crystal display by assembling the components. The device is complete. In addition, the chassis of the liquid crystal display device assembled as described above is combined with the bezel constituting the external appearance of a monitor, a TV, etc. to produce a final product such as a monitor, a TV, and the like.

At this time, more and more products are used for the use of securities, promotions, and postings by connecting three or more monitors in recent years. Such products have a narrow width so as to make the minimum space requirement and the screen larger. Narrow Bezel is adopted.

However, since the above structure constitutes the bezel including the chassis, the width of the bezel of the appearance of the final finished product is considerably thick, and the thickness of the appearance bezel that the user feels is also considerably thick.

In order to solve the above problems, a display device of the present invention and a monitor device having the same are to provide a display device for reducing the width of the appearance bezel of the finished product and a monitor device having the same.

In order to achieve the above object, the display device of the present invention includes a display panel for displaying an image, an upper chassis for accommodating and fixing the display panel, and an oxide film is formed on a surface of the upper chassis.

The oxide film is characterized in that formed by anodizing.

The oxide film is characterized in that the aluminum oxide film.

The aluminum oxide film is characterized in that the color is formed.

The color is characterized in that formed by coloring or electrolytic coloring.

The color is characterized by being painted on the surface of the aluminum oxide film.

The painting is characterized by being painted by painting or spraying.

In order to achieve the above object, a monitor device of the present invention includes a display panel, a display device including an upper chassis covering an edge of a front surface of the display panel, and a rear bezel combined with the upper chassis to cover a rear surface of the display device. It includes, characterized in that the aluminum oxide film formed on the surface of the upper chassis.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various forms, and only the embodiments are intended to complete the disclosure of the present invention, and to those skilled in the art to fully understand the scope of the invention. It is provided to inform you. Like reference numerals in the drawings refer to like elements.

1 is a perspective view showing a monitor device having a liquid crystal display device according to the present invention, FIG. 2 is an exploded perspective view showing a liquid crystal display device according to the present invention, and FIG. 3 is a cross-sectional view showing AA of the liquid crystal display device of FIG. 4 is a flowchart illustrating a process of forming an oxide film on a surface of an upper chassis according to the present invention.

Referring to FIG. 1, a monitor device having a liquid crystal display device 1000 according to the present invention is an information processing device 3000, for example, an electronic device connected to a main body of a desktop computer, and an input device 4000, for example, a keyboard and a mouse. It is electrically connected with In this case, the monitor device includes a liquid crystal display device 1000 and a rear cover 2000 coupled to a rear surface of the liquid crystal display device 1000, and the monitor device has a structure supported by the pedestal 5000. .

Therefore, when a user manipulates an input device to transmit certain information to the main body 3000, the main body 3000 quickly calculates the input information and then transmits the processed information to the monitor device connected to the main body 3000. As a result, the monitor apparatus converts the information into an image and displays it externally.

2 and 3, the liquid crystal display device 1000 constituting the monitor device includes a liquid crystal display panel 100 and a backlight assembly 200 that provides light to the liquid crystal display panel 100. And an upper chassis 300 and a lower chassis 400 accommodating the liquid crystal display panel 100 and the backlight assembly 200.

The liquid crystal display panel 100 includes a color filter (CF) substrate 110 having a black matrix, a color pixel, and a common electrode formed on one surface thereof, and a gate line and a data line disposed under the CF substrate 110. And a thin film transistor (TFT) substrate 120 including a thin film transistor, a pixel electrode, and the like. In this case, a liquid crystal layer (not shown) is provided between the CF substrate 110 and the TFT substrate 120.

In addition, one side of the TFT substrate 120 may include a gate signal connection member 510, a data signal connection member 520, a gate printed circuit board 530, and data having an electrical connection relationship with the liquid crystal display panel 100. The printed circuit board 540 is provided.

The gate signal connecting member 510 has a structure overlapping with the gate lines formed in the TFT substrate 120, and the data signal connecting member 520 forms a structure overlapping with the data lines formed in the TFT.

The gate printed circuit board 530 is connected to the gate signal connecting member 510 to input a gate driving signal to the gate signal connecting member 510 in a state where a plurality of gate driving components (not shown) are mounted. The data printed circuit board 540 is connected to the data signal connecting member 520 and inputs a data driving signal to the data signal connecting member 520 while mounting a plurality of data driving components. Play a role. In this case, the data signal connection member 520 is flexible, and is bent and seated on the rear surface of the assembled liquid crystal display 1000, that is, the rear chassis 400.

The backlight assembly 200 includes a light source 210, a plurality of optical sheets 230 to 260 that receive light from the light source 210, and provide light toward the liquid crystal display panel 100, and the light source 210. And a mold frame 220 accommodating the plurality of optical sheets 260 to 260.

That is, a cold cathode fluorescent lamp (CCFL) is used as the light source 210, and an electroluminescent lamp (EL) and a light emitting diode (LED) are used as the light source 210. And the like can be used. In this case, a light source cover (not shown) may be further included to surround three surfaces of the light source 210. That is, the light source cover serves to guide light generated from the light source 210 in one direction.

The optical sheets 230 to 260 have a rectangular plate shape and are sequentially provided below the liquid crystal display panel 100, and include a plurality of prism sheets 230, a diffusion sheet 240, a light guide plate 250, and reflections. Sheet 260.

That is, the prism sheet 230 and the diffusion sheet 240 serve to uniform the luminance distribution of light emitted from the light source 210, and the light guide plate 250 is coupled to one side of the light source 210 to provide a point light source. Or it serves to change the light having an optical distribution in the form of a line light source into a light having an optical distribution in the form of a surface light source. In addition, the reflective sheet 260 increases the light efficiency by reflecting a part of the light emitted to the lower portion of the light guide plate 250 to the light emitting surface of the backlight assembly 200.

The mold frame 220 is formed in a rectangular frame shape of which upper and lower portions are opened, and a protrusion 222 is formed along an inner side surface of the mold frame 220. That is, the liquid crystal display panel 100 is mounted on the protrusion 222, and the light source 210 and the plurality of optical sheets 230 to 260 are accommodated in the side and the bottom of the protrusion 222.

The upper chassis 300 has a rectangular frame shape of an aluminum material having upper and lower portions open, and includes a sidewall portion bent downward along an edge of the rectangular frame. That is, the upper and sidewall portions of the upper chassis 300 serve to fix the liquid crystal display panel 100 mounted on the mold frame 220.

In addition, the surface of the upper chassis 300 is anodized (oxidized) anodized (oxidized) coating is formed to represent a variety of color colors, it is possible to increase the corrosion resistance and surface strength. Thus, the upper chassis 300 is used instead of the front bezel of the monitor device having the liquid crystal display device 1000. The process of forming the oxide film 310 by anodizing the upper chassis 300 will be described later with reference to the drawings.

The lower chassis 400 has a rectangular box shape with an open upper portion, accommodates the components of the liquid crystal display panel 100 and the backlight assembly 200 accommodated in the mold frame 220, and the upper chassis 300. The liquid crystal display 1000 is coupled to an inner sidewall of the sidewall of the liquid crystal display 1000.

Meanwhile, as shown in FIG. 4, the process of forming the oxide film 310 on the surface of the upper chassis includes preparing a substrate (S10), and forming an oxide film on the surface of the upper chassis (S20); And coloring the oxide film (S30).

Referring to the step (S10) of preparing the substrate, the substrate is an aluminum chassis to be anodized and an electrolyte solution (not shown) for forming an oxide film 310 on the upper chassis 300 ), And a voltage regulator (not shown) or a member serving the same as that for applying voltage to the upper chassis 300 and the electrolyte solution.

In this case, since the upper chassis 300 is made of aluminum, an anodizing treatment may be performed without any other process. When the upper chassis 300 is formed of a material other than aluminum, it may be used after depositing an aluminum film. In addition, as the electrolyte solution, sulfuric acid, hydroxyl acid, or chromic acid, which are commonly used, may be used.

After the step of preparing the substrate as described above (S10), the step of forming an oxide film on the upper chassis surface (S20) is performed.

That is, the anode of the voltmeter is connected to the upper chassis 300, the cathode is connected to a metal plate to be immersed in an electrolyte solution, and the output voltage of the voltmeter is set to the desired voltage and the upper chassis (connected to the anode of the voltmeter) Soak 300) in the electrolyte solution. At this time, a strong electric field is applied to the aluminum surface, that is, the surface of the upper chassis 300, and aluminum ions are separated by the force. When the aluminum ions are combined with oxygen generated from the aluminum ions and the anode, an oxide is formed on the surface of the upper chassis 300. The film 310 is formed.

Thereafter, when the step of forming the oxide film on the upper chassis surface (S20) is finished, the step of coloring the oxide film (S30) is performed.

That is, by adjusting the intensity of the voltage applied to the upper chassis 300 and the metal plate contained in the electrolyte solution, the intensity of the voltage can be changed to color the oxide film 310 in a desired color. In addition, when a very strong voltage is applied, the thickness of the oxide film 310 formed on the surface of the upper chassis 300 may be further increased.

Although the method of coloring after the formation of the oxide coating 310 is shown in the above, it is also possible to form a color on the surface of the upper chassis by using electrolytic coloring. That is, after the hole is formed in the oxide film 310, color pigments such as colored paints are added and developed, and heat is applied to block the holes to form a color in the oxide film 310. In addition, the oxide film 310 may be painted or painted by spraying to form a color on the surface of the upper chassis 300.

Therefore, the upper chassis 300 anodized as described above has high corrosion resistance and surface strength, so that damage due to scratching is small, and corrosion of liquid such as water can be prevented.

In addition, the upper chassis 300 having the above-described structure can realize various colors while improving corrosion resistance and durability, and has excellent appearance performance such as increased beauty of the monitor device. There is an effect that can remove the front bezel attached to the front of the monitor device having a).

Although the monitor device has been described as an example, the present invention is not limited thereto and may be applied to a display device such as a notebook computer, a television, or a mobile phone.

In addition, although the liquid crystal display device has been described above as an example, the liquid crystal display device may be applied to a flat panel display device such as a plasma display device or a field emission display device.

In addition, although the upper chassis is formed of aluminum in the above, when titanium or another material is used, the aluminum may be formed on the surface of the upper chassis and then anodized. In addition, in addition to aluminum anodizing, titanium anodizing or MgO anodizing can be processed.

Although described above with reference to the drawings and embodiments, those skilled in the art that the present invention can be variously modified and changed within the scope without departing from the spirit of the invention described in the claims below. I can understand.

As described above, the display device of the present invention and the monitor device having the same have an effect of reducing the width of the appearance bezel of the product by using the upper chassis provided in the liquid crystal display device instead of the bezel of the monitor device.

In addition, the present invention has an effect that the corrosion resistance and durability of the product can be improved by forming an oxide film on the upper chassis.

In addition, the present invention by forming a color on the upper chassis, there is an effect that can increase the beauty of the visible product.

In addition, the present invention has the effect of reducing the size of the finished product by reducing the width of the appearance bezel.

In addition, the present invention has the effect of making the image seen by the user larger by reducing the width of the appearance bezel.

Claims (11)

A display panel displaying an image, An upper chassis for storing and fixing the display panel; And an oxide film is formed on a surface of the upper chassis. The display device of claim 1, wherein the oxide film is formed by anodizing. The display device of claim 2, wherein the oxide film is an aluminum oxide film. The display device of claim 3, wherein the aluminum oxide film has a color. The display device of claim 4, wherein the color is formed by coloring or electrolytic coloring. The display device as claimed in claim 4, wherein the color is painted on the surface of the aluminum oxide film. The display device of claim 6, wherein the painting is performed by painting or spraying. A display device including a display panel, an upper chassis covering an edge of a front surface of the display panel, and a rear bezel coupled to the upper chassis to cover a rear surface of the display device; And an aluminum oxide film formed on a surface of the upper chassis. The monitor device according to claim 8, wherein the aluminum oxide film is formed by anodizing. The monitor device according to claim 9, wherein the aluminum oxide film has a color. The display device of claim 10, wherein the color is formed by coloring or electrolytic coloring.

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