KR101510889B1 - Display device - Google Patents

Abstract

A display device is disclosed. The display device includes a first mold frame; A second mold frame disposed under the first mold frame; And a chassis including a first receiving portion for receiving the first mold frame and a second receiving portion for receiving the second mold frame. The display device can accommodate two mold frames using one chassis. That is, a display panel or the like can be accommodated in each mold frame, and the display device can implement two screens using one chassis.

Chassis, Dual, LCD, LCD

Description

Display device {DISPLAY DEVICE}

The embodiment relates to a display device.

As information processing technology has developed, display devices such as LCD, PDP, and AMOLED have been widely used.

In particular, such display devices can display images using two panels, wherein members for supporting or guiding such panels are needed.

The embodiment is intended to provide a display device capable of accommodating two mold frames by using one chassis and having improved strength.

A display device according to an embodiment includes a first mold frame; A second mold frame disposed under the first mold frame; And a chassis including a first accommodating portion for accommodating the first mold frame and a second accommodating portion for accommodating the second mold frame.

The display device according to the embodiment accommodates the first mold frame and the second mold frame by the first accommodating portion and the second accommodating portion, respectively.

Therefore, the display device according to the embodiment can accommodate two mold frames using one chassis. Therefore, a small amount of cost can be consumed to form the display device according to the embodiment.

Further, the chassis may have a bent or curved shape to form the first receiving portion and the second receiving portion. That is, the chassis may include a support portion that supports a side surface of the first mold frame or the second mold frame and is bent or bent.

Accordingly, the chassis has an improved strength, and the display device according to the embodiment is strong against physical shocks such as external pressure and the like.

In the description of the embodiments, each panel, member, frame, sheet, portion, or substrate is formed "on" or "under" of each panel, member, frame, sheet, Quot; on "and" under "include both being formed" directly "or" indirectly " In addition, the upper or lower reference of each component is described with reference to the drawings. The size of each component in the drawings may be exaggerated for the sake of explanation and does not mean the size actually applied.

1 is an exploded perspective view showing a liquid crystal display device according to an embodiment. 2 is a cross-sectional view of a chassis taken along line A-A in Fig. 3 is a cross-sectional view showing a cross section of the liquid crystal display device cut along the line A-A 'in FIG.

1 and 2, a liquid crystal display includes a chassis 100, a first mold frame 210, a second mold frame 220, a first backlight assembly 300, a second backlight assembly 400, And includes a first display panel 500 and a second display panel 600.

The chassis 100 includes the first mold frame 210, the second mold frame 220, the first backlight assembly 300, the second backlight assembly 400, the first display panel 500, And the second display panel (600).

Examples of materials that can be used for the chassis 100 include metals and the like.

The chassis 100 includes a first support portion 110, a second support portion 120, and a third support portion 130.

The first support part 110 has a plate shape and is disposed between the first mold frame 210 and the second mold frame 220. The first support part 110 supports the bottom surfaces of the first mold frame 210 and the second mold frame 220.

The second support part 120 extends upward from the first support part 110. The second support part 120 is bent or bent at an angle of 90 DEG from the first support part 110.

The second support part 120 is disposed on a side surface of the first mold frame 210. The second support part 120 supports a side surface of the first mold frame 210.

First support grooves 121 for fastening the first mold frame 210 are formed in the second support part 120.

The third support part 130 extends downward from the second support part 120. That is, the third support part 130 is bent or bent at 180 degrees from the end of the second support part 120.

The third support part 130 faces the second support part 120 and is disposed on the sides of the first mold frame 210 and the second mold frame 220. The third support part 130 supports the side surface of the second mold frame 220.

Second support grooves 131 for securing the second mold frame 220 are formed in the third support part 130.

The first to third support portions 130 are integrally formed. That is, the first through third support portions 130 may be formed by bending or curving one metal plate.

The first support part 110 and the second support part 120 form a first accommodating part 101 for accommodating the first mold frame 210.

That is, the first support part 110 supports the bottom surface of the first mold frame 210, the second support part 120 supports the side surface of the first mold frame 210, The first accommodating portion 101 accommodates the first mold frame 210.

The first support part 110 and the third support part 130 form a second accommodating part 102 for accommodating the second mold frame 220.

That is, the first support part 110 supports the bottom surface of the second mold frame 220, the third support part 130 supports the side surface of the second mold frame 220, The receiving portion receives the second mold frame 220.

The first mold frame 210 is disposed on the first support part 110. The first mold frame 210 is disposed inside the first accommodating portion 101.

The first mold frame 210 has a rectangular frame shape and accommodates the first backlight assembly 300 and the first display panel 500.

The first mold frame 210 includes a first fastening protrusion 211. The first fastening protrusion 211 is inserted into the first fastening groove 121 and protrudes from the side surface of the first mold frame 210.

That is, the first fastening protrusion 211 is inserted into the first fastening groove 121, and the first mold frame 210 is fastened to the second support part 120.

The second mold frame 220 is disposed below the first support part 110. The second mold frame 220 is disposed inside the second accommodating portion 102.

The second mold frame 220 has a rectangular frame shape and receives the second backlight assembly 400 and the second display panel 600.

The second mold frame 220 includes a second fastening protrusion 221. The second fastening protrusion 221 is inserted into the second fastening groove 131 and protruded from the side surface of the second mold frame 220.

That is, the second fastening protrusion 221 is inserted into the second fastening groove 131, and the second mold frame 220 is fastened to the second support part 120.

Alternatively, the first and second mold frames 210 and 220 may be bonded to the chassis 100 with an adhesive such as a double-sided tape.

Examples of materials used for the first and second mold frames 210 and 220 include plastic or reinforced plastic.

The first backlight assembly 300 is disposed inside the first mold frame 210. The first backlight assembly 300 generates light and emits the light toward the first display panel 500.

The first backlight assembly 300 includes a first reflective sheet 310, a first light guide plate 320, a first light emitting diode 330, and a first optical sheet 340.

The first reflective sheet 310 is disposed on the first support unit 110 and reflects light emitted from the first LED 330 upward.

The first light guide plate 320 is disposed on the first reflection sheet 310 and receives light emitted from the first light emitting diode 330 and exits upward through reflection, refraction and scattering.

The first light emitting diode 330 is disposed on a side surface of the second light guide plate 420 and emits light toward the second light guide plate 420.

The first optical sheet 340 is disposed on the first light guide plate 320 and improves the characteristics of light passing therethrough.

The second backlight assembly 400 is disposed inside the second mold frame 220. The second backlight assembly 400 generates light and emits the light toward the second display panel 600.

The second backlight assembly 400 includes a second reflective sheet 410, a second light guide plate 420, a second light emitting diode 430, and a second optical sheet 440.

The second reflective sheet 410 is disposed under the first support unit 110 and reflects light emitted from the second LED 430 upward.

The second light guide plate 420 is disposed below the second reflection sheet 410 and receives light emitted from the second light emitting diode 430 and emits the light upward through reflection, refraction and scattering.

The second light emitting diode 430 is disposed on a side surface of the second light guide plate 420 and emits light toward the second light guide plate 420.

The second optical sheet 440 is disposed under the second light guide plate 420 and improves the characteristics of light passing therethrough.

The first display panel 500 is disposed inside the first mold frame 210 and disposed on the first backlight assembly 300.

The first display panel 500 displays an image by adjusting the intensity of light passing through the first display panel 500 in units of pixels. The first display panel 500 displays an image upward.

The second display panel 600 is disposed inside the second mold frame 220 and disposed under the second backlight assembly 400.

The second display panel 600 displays an image by adjusting the intensity of light passing through the second display panel 600 in units of pixels. The second display panel 600 displays an image downward.

The liquid crystal display according to the embodiment can accommodate two mold frames using one chassis 100, and can accommodate two liquid crystal panels.

Therefore, the liquid crystal display device according to the embodiment can be manufactured at a lower cost than the liquid crystal display device including the two chassis 100.

The second support part 120 and the third support part 130 have a folded or bent folded structure. That is, the chassis 100 has a hemming structure.

Accordingly, the chassis 100 has an enhanced strength, and the liquid crystal display device according to the embodiment is strong against physical impact.

That is, the side of the first mold frame 210 is supported by the chassis 100 of the hemming structure, so that it is less bent to the external pressure.

4 is an exploded perspective view showing a liquid crystal display device according to another embodiment. 5 is a cross-sectional view showing a section taken along the line B-B 'in FIG. In this embodiment, the chassis, the third mold frame 230, and the third backlight assembly will be further described with reference to the above-described embodiments.

4 and 5, the liquid crystal display includes a third backlight assembly 700 instead of the first backlight assembly 300 and the second backlight assembly 400 described above.

That is, the liquid crystal display according to the present embodiment displays an image by one backlight assembly.

The third backlight assembly 700 is disposed inside the second mold frame 220. The backlight assembly is not disposed inside the third mold frame 230, but only the first display panel 500 is disposed.

The third backlight assembly 700 includes a third light guide plate 710, a third light emitting diode 720, a third optical sheet 731, and a fourth optical sheet 732.

The third light guide plate 710 is disposed under the first support unit 110. The third light guide plate 710 receives light emitted from the third light emitting diode 720 and emits the light upward and downward by reflection, scattering, refraction, or the like.

The third light emitting diode 720 is disposed on the side of the third light pipe 710 and emits light toward the third light pipe 710.

The third optical sheet 731 is disposed on the third light guide plate 710 and the fourth optical sheet 732 is disposed below the third light guide plate 710. The third optical sheet 731 and the fourth optical sheet 732 improve the characteristics of light passing therethrough.

The first display panel 500 is disposed inside the third mold frame 230. The first display panel 500 is disposed on the third optical sheet 731. The height of the third mold frame 230 may correspond to the thickness of the first display panel 500.
The second display panel 600 is disposed inside the second mold frame 220. The second display panel 600 is disposed under the fourth optical sheet 732.
The first display panel 500 and the second display panel 600 display an image by the light emitted from the third backlight assembly 700.

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In particular, a through hole 111 is formed in the first support part 110, and light emitted upward from the third backlight assembly 700 passes through the through hole 111, And is incident on the board 500.

The first display panel 500 displays an image using light that has passed through the through-hole 111.

The liquid crystal display according to the present embodiment displays an image using one backlight assembly.

Also, the liquid crystal display device according to the present embodiment can display images in both directions by using the first display panel 500 and the second display panel 600 having similar sizes.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood that various modifications and applications are possible. For example, each component specifically shown in the embodiments can be modified and implemented. It is to be understood that all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

1 is an exploded perspective view showing a liquid crystal display device according to an embodiment.

2 is a cross-sectional view of a chassis taken along line A-A in Fig.

3 is a cross-sectional view showing a cross section of the liquid crystal display device cut along the line A-A 'in FIG.

4 is an exploded perspective view showing a liquid crystal display device according to another embodiment.

5 is a cross-sectional view showing a section taken along the line B-B 'in FIG.

Claims (9)

A chassis comprising a first support portion, a second support portion extending upwardly of the first support portion, and a third support portion bent or bent 180 degrees from the second support portion; A first receiving portion including the first support portion and the second support portion; A first mold frame accommodated in the first accommodating portion; A first backlight assembly and a first display panel disposed inside the first mold frame; A second receiving portion formed by the first support portion and the third support portion; A second mold frame accommodated in the second accommodating portion; And And a first backlight assembly and a second display panel disposed inside the second mold frame. The display device of claim 1, further comprising: a first display panel disposed inside the first backlight assembly; And a second display panel disposed inside the second backlight assembly, Wherein the first display panel and the second display panel display images in directions opposite to each other. The display device of claim 2, wherein the first display panel and the second display panel each display an image using light emitted from the first backlight assembly and the second backlight assembly. 2. The apparatus of claim 1, A first support part disposed between the first mold frame and the second mold frame; A second support part extending from the first support part and disposed on a side surface of the first mold frame; And And a third support portion extending from the second support portion and disposed on a side surface of the second mold frame. The display device according to claim 4, wherein the first support portion, the second support portion, and the third support portion are integrally formed. The apparatus according to claim 4, wherein the first accommodating portion includes the first support portion and the second support portion, And the second accommodating portion includes the first support portion and the third support portion. The display device according to claim 4, wherein the first support portion includes a through hole. 5. The apparatus according to claim 4, wherein the first mold frame is fastened to the second support part, And the second mold frame is fastened to the third support part. The apparatus of claim 1, further comprising: a first backlight assembly disposed inside the first mold frame; And And a second backlight assembly disposed inside the second mold frame.

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