KR102671247B1 - Guide panel and display device comprising the same - Google Patents

Abstract

Embodiments of the present invention relate to a guide panel and a display device including the same. More specifically, the first guide panel includes a first fixing part and a first guide provided on the upper surface of one end of the first guide panel. It includes a second fixing part provided on one side of one end of the panel, wherein the second guide panel includes a first fastening part that overlaps the first fixing part and a first fastening part that is spaced apart from the first fastening part but overlaps the second fixing part. By providing a guide panel including a second fastening portion and a display device including the same, a guide panel with improved coupling force between different guide panels can be provided.

Description

Guide panel and display device including the same {GUIDE PANEL AND DISPLAY DEVICE COMPRISING THE SAME}

Embodiments of the present invention relate to a guide panel and a display device including the same.

In recent years, with a focus on rapidly developing semiconductor technology, the demand for flat panel display devices with improved performance while becoming smaller and lighter is explosively increasing.

Among these flat display devices, the liquid crystal display (LCD), which has recently been in the spotlight, has advantages such as miniaturization, weight reduction, and low power consumption, and can overcome the disadvantages of the existing cathode ray tube (CRT). It has been gradually receiving attention as an alternative means of display, and is currently used in almost all information processing devices that require a display device.

Since the liquid crystal display panel in a liquid crystal display device cannot emit light on its own, a backlight unit is provided at the bottom of the liquid crystal display panel to provide light to the liquid crystal display panel. The backlight unit includes a guide panel that supports the display panel, a light source, a light guide plate, and a plurality of optical sheets.

Embodiments of the present invention are directed to providing a guide panel with improved coupling force between different guide panels in a split guide panel and a display device including the same.

Additionally, embodiments of the present invention provide a splitable guide panel capable of supporting a large-area display panel and a display device including the same.

In one aspect, embodiments of the present invention include a first guide panel and a second guide panel connected to one end of the first guide panel, and the first guide panel is provided on an upper surface of one end of the first guide panel. a first fixing part and a second fixing part provided on one side of one end of the first guide panel, wherein the second guide panel includes a first fastening part overlapping with the first fixing part and a first fastening part; A guide panel including a second fastening part that is spaced apart but overlaps the second fixing part, and a display device including the same can be provided.

In another aspect, embodiments of the present invention include a display panel, a guide panel that supports the display panel on the back and sides of the display panel and includes a first guide panel and a second guide panel coupled to the first guide panel, and a display panel. It includes a plurality of optical sheets disposed on the back, a diffusion plate disposed on the rear of the plurality of optical sheets, and a cover bottom disposed on the rear of the diffusion plate, and the first guide panel is provided on the upper surface of one end of the first guide panel. It includes a first fixing part and a second fixing part provided on one side of one end of the first guide panel, wherein the second guide panel has a first fastening part overlapping with the first fixing part and is spaced apart from the first fastening part. However, a guide panel including a second fastening part overlapping with the second fixing part and a display device including the same can be provided.

According to embodiments of the present invention, a guide panel with improved coupling force between different guide panels in a split guide panel and a display device including the same can be provided.

Additionally, according to embodiments of the present invention, a splitable guide panel capable of supporting a large-area display panel and a display device including the same can be provided.

FIG. 1 is an exploded perspective view schematically showing a display device according to an embodiment of the present invention.
Figure 2 is a diagram schematically showing the structure of a guide panel according to an embodiment of the present invention.
Figure 3 is a diagram schematically showing the structure of a guide panel according to another embodiment of the present invention.
FIG. 4 is an enlarged view of the area including the first connection part of FIG. 3.
Figure 5 is a diagram showing a state in which the first guide panel and the third guide panel are separated.
Figure 6 is a diagram showing a state in which the first guide panel and the third guide panel are connected at the first connection portion.
Figure 7 is a diagram showing a structure according to another embodiment in which a first guide panel and a third guide panel are connected at a first connection part.
Figure 8 is a cross-sectional view taken along AB in Figure 4.
Figure 9 is a diagram schematically showing the structure of a split top cover according to an embodiment of the present invention.
FIG. 10 is a diagram illustrating a state in which the first top cover and the third top cover are separated in the area including the first coupling portion of FIG. 9.
Figure 11 is a cross-sectional view showing a structure in which a top cover is coupled to a guide panel according to an embodiment of the present invention.

Hereinafter, some embodiments of the present invention will be described in detail with reference to the exemplary drawings. In adding reference numerals to components in each drawing, identical components may have the same reference numerals as much as possible even if they are shown in different drawings. Additionally, when describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description may be omitted. When “comprises,” “has,” “consists of,” etc. mentioned in the specification are used, other parts may be added unless “only” is used. When a component is expressed in the singular, it can also include the plural, unless specifically stated otherwise.

Additionally, when describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are only used to distinguish the component from other components, and the nature, sequence, order, or number of the components are not limited by the term.

In the description of the positional relationship of components, when two or more components are described as being “connected,” “coupled,” or “connected,” the two or more components are directly “connected,” “coupled,” or “connected.” ", but it should be understood that two or more components and other components may be further "interposed" and "connected," "combined," or "connected." Here, other components may be included in one or more of two or more components that are “connected,” “coupled,” or “connected” to each other.

In the explanation of temporal flow relationships related to components, operation methods, production methods, etc., for example, temporal precedence relationships such as “after”, “after”, “after”, “before”, etc. Or, when a sequential relationship is described, non-continuous cases may be included unless “immediately” or “directly” is used.

On the other hand, when a numerical value or corresponding information (e.g. level, etc.) for a component is mentioned, even if there is no separate explicit description, the numerical value or corresponding information is related to various factors (e.g. process factors, internal or external shocks, It can be interpreted as including the error range that may occur due to noise, etc.).

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

1 is an exploded perspective view schematically showing a display device according to an embodiment of the present invention.

Referring to FIG. 1 , as shown, a display device 100 according to an embodiment of the present invention may include a display panel 110 and a backlight unit 120.

When the display surface of the display panel 110 is the upper surface, as shown in FIG. 1, the backlight unit 120 may be disposed on the rear surface of the display panel 110.

The display panel 110 of the display device 100 according to an embodiment of the present invention includes a lower substrate 112 and an upper substrate 114 disposed on the lower substrate 112, and the lower substrate 112 and the upper substrate 114 It may include a liquid crystal layer disposed between the substrates 114.

Although not shown in the drawing, a pixel is defined by multiple gate lines and multiple data lines crossing each other on the lower substrate 112, and at least one thin film transistor (TFT) is installed at each intersection. It is provided and can be electrically connected to the pixel electrode provided in each pixel.

In addition, the common electrode may be disposed of the same material on the same layer as the pixel electrode, but the present embodiment is not limited to this, and the common electrode may be disposed on a different layer from the pixel electrode on the lower substrate 112 or on the upper substrate 114. ) may be placed on one side of the.

In addition, on one side of the upper substrate 114, color filters of red (R), green (G), and blue (B) colors, for example, corresponding to each pixel, and each of these are wrapped around the gate line and data line. Additionally, a black matrix may be provided to cover non-display elements such as thin film transistors, but the present invention is not limited thereto.

For example, a color filter may be disposed on the lower substrate 112.

In addition, although not shown in the drawing, upper and lower alignment films that determine the initial molecular arrangement direction of the liquid crystal are interposed at the lower part of the display panel 110 and the boundary between the upper substrates 112 and 114 and the liquid crystal layer, and the liquid crystal layer (not shown) A seal pattern may be disposed along the edges of the lower and upper substrates 112 and 114 to prevent leakage.

Additionally, a lower polarizing plate may be disposed on the rear surface of the lower substrate 112, and an upper substrate may be disposed on the upper surface of the upper substrate 114.

As described above, the display panel 110, in which the lower substrate 112 and the upper substrate 114 are bonded, is provided with a common electrode and a pixel electrode, so that an electric field is applied to the liquid crystal layer and a voltage is applied to the common electrode. When the voltage of the data signal applied to the pixel electrode is controlled, the liquid crystal of the liquid crystal layer rotates by dielectric anisotropy according to the electric field between the common electrode and the pixel electrode, thereby transmitting or blocking light for each pixel to display characters or images. do.

At this time, the display panel 110 is in any one of TN (Twisted Nematic) mode, VA (Vertical Alignment) mode, IPS (In Plane Switching) mode, FFS (Fringe Field Switching) mode, and ECB (Electrically Controlled Birefringence) mode. It may be implemented to operate in this mode, but the present embodiment is not limited to this.

Meanwhile, although not shown in the drawing, a plurality of data lines provided for applying data signals may be driven through a data driver, and a plurality of gate lines provided for applying gate signals may be driven through a gate driver. And, the gate driver and data driver can be controlled through a control unit.

The data driver drives multiple data lines by supplying data voltage to the multiple data lines. And, the gate driver sequentially drives the plurality of gate lines by sequentially supplying scan signals to the plurality of gate lines.

Depending on the driving method or display panel (PNL) design method, the gate driver may be located on only one side of the display panel 110, or may be located on both sides depending on the case.

Additionally, the gate driver may include one or more gate driver integrated circuits. Each gate driver integrated circuit is connected to the first bonding pad of the display panel 110 using a tape automated bonding (TAB) method or a chip on glass (COG) method, or is connected to the first bonding pad of the display panel 110 or a gate in panel (GIP) method. ) type and may be placed directly on the display panel (PNL), or in some cases, may be integrated and placed on the display panel (PNL).

The data driver may include at least one source driver integrated circuit and drive multiple data lines. Each source driver integrated circuit is connected to the first bonding pad of the display panel (PNL) using a tape automated bonding (TAB) method or a chip-on-glass (COG) method, or is connected to the display panel 110 It may be placed directly, or in some cases, may be integrated and placed on the display panel 110.

Additionally, each source driver integrated circuit may be implemented using a chip on film (COF: Chip On Film) method. In this case, as shown in FIG. 1, the source driving chip corresponding to each source driver integrated circuit is mounted on the flexible film 116, and one end of the flexible film 116 is connected to at least one source printed circuit board 117. , Source Printed Circuit Board), and the other end may be bonded to the display panel 110.

A backlight unit 120 that supplies light to the display panel 110 may be provided on the rear surface of the display panel 110.

The backlight unit 120 includes an optical sheet 130, a light guide plate 140, a diffusion plate 125, a cover bottom 150, a light source assembly 160, and a guide panel 170 located on the back of the display panel 110. It can be included.

The guide panel 170 may be disposed in an area corresponding to at least one side of the display panel 110 and may be disposed on the back of the display panel 110 to support the display panel 110.

A plurality of optical sheets 130 may be disposed on the rear surfaces of the display panel 110 and the guide panel 170.

The plurality of optical sheets 130 may include a diffusion sheet 131 that diffuses light and a prism sheet 132 that changes the path of light to be incident on the display panel 110 in a direction perpendicular to the present invention. It is not limited to this.

A light guide plate 140 may be disposed below the plurality of optical sheets 130.

A diffusion plate 125 having a plurality of through holes 126 may be disposed on the back of the light guide plate 140.

A light source assembly 160 including a plurality of light sources 161 and a circuit board 162 may be disposed below the diffusion plate 125.

A cover bottom 150 may be disposed on the back of the light source assembly 160.

Here, the circuit board 162 of the light source assembly 160 may be seated on the inside of the lower surface of the cover bottom 150, and a plurality of light sources 161 may be arranged on the circuit board 162 at regular intervals and spaced apart from each other. You can.

Meanwhile, FIG. 1 shows a configuration in which the light source assembly 160 and the diffusion plate 125 are disposed on the back of the display panel 110, but the present invention is not limited thereto.

For example, the light source assembly 160 and the diffusion plate 125 (also called a reflector) may each be disposed on one side of the light guide plate 140.

However, for convenience of explanation, the following description will focus on the structure in which the light source assembly 160 and the diffusion plate 125 are disposed on the back of the light guide plate 140.

The diffusion plate 125 includes a plurality of through holes 126 through which a plurality of light sources 161 can pass, and the lower surface of the circuit board 162 and the cover bottom 160 excluding the plurality of light sources 161. They may overlap, and the amount of light reaching the light guide plate 140 can be increased by reflecting the light directed to the back of the plurality of light sources 161 toward the light guide plate 140.

Light emitted from the plurality of light sources 161 of the light source assembly 160 passes through the light guide plate 140 and the plurality of optical sheets 130 and is incident on the display panel 110. The light incident on the display panel 110 Through this, the display panel 110 can display a high-brightness image to the outside.

The display panel 110, multiple optical sheets 130, light guide plate 140, diffusion plate 125, and light source assembly 160 can be modularized through the guide panel 170 and cover bottom 150.

Additionally, a top cover 180 that is coupled to the display panel 110 and the guide panel 170 may be provided on the display panel 110. In Figure 1, the top cover 180 is shown as an integrated rectangular frame, but the present invention is not limited to this.

For example, the top cover 180 may form a square frame shape by connecting at least two bar-shaped top covers like the guide panel 170.

Meanwhile, when the display panel 110 has a large area, the guide panel 170 that supports the display panel 110 may be in the form of two or more bars connected to each other.

For example, as shown in FIG. 1, the guide panel 170 includes a first guide panel 171, a second guide panel 172, a third guide panel 173, and a fourth guide panel 174, respectively. This may be a connected structure.

As the size of the display panel 110 increases, the size of the guide panel 170 that supports the display panel 110 must also increase. However, if the guide panel 170 is manufactured in an injection format, it is difficult to manufacture it in a large size. there is.

Accordingly, the guide panel 170 may be manufactured in a form in which two or more bars are connected to each other.

However, when an impact (impact due to dropping the display device, etc.) is applied to the guide panel 170, stress is concentrated at the connection portion of different bars, and a pushing phenomenon occurs at the connection portion (the guide panel is separated from the display panel). (separation phenomenon), the display panel 110 may not be properly supported.

When two or more bars are connected to form the guide panel 170, the guide panel 170 of the present invention may have a structure that can strengthen the strength of the connection portion of the different bars.

The structure of the guide panel according to an embodiment of the present invention will be reviewed with reference to FIGS. 2 to 4 as follows.

FIG. 2 is a diagram schematically showing the structure of a guide panel according to an embodiment of the present invention, and FIG. 3 is a diagram schematically showing the structure of a guide panel according to another embodiment of the present invention.

First, referring to FIG. 2, the guide panel 170 according to an embodiment of the present invention may include first to fourth guide panels 171, 172, 173, and 174.

At this time, the first guide panel 171 may have a bar shape extending in a first direction (eg, horizontal direction).

The second guide panel 172 may have a bar shape extending in the first direction and may be arranged to face the first guide panel 171.

The third guide panel 173 may have a bar shape extending in a second direction (eg, vertical direction) that intersects the first direction. Here, one end of the third guide panel 173 may be connected to one end of the first guide panel 171, and the other end of the third guide panel 173 may be connected to one end of the second guide panel 172. .

The fourth guide panel 174 may have a bar shape extending in the second direction and may be arranged to face the third guide panel 173. Here, one end of the fourth guide panel 174 may be connected to the other end of the first guide panel 171, and the other end of the fourth guide panel 174 may be connected to the other end of the second guide panel 172. .

The guide panel 170 according to one embodiment may include at least four connection portions (K1, K2, K3, and K4) of different guide panels.

For example, the guide panel 170 includes a first connection portion K1, which is an area where one end of the first guide panel 171 and one end of the third guide panel 173 are connected, and the other end of the first guide panel 171. A second connection part (K2), which is an area where one end of the end and the fourth guide panel 174 are connected, and a third connection part (K2), which is an area where one end of the second guide panel 172 and the other end of the third guide panel 173 are connected. K3) and a fourth connection portion K4, which is an area where the other end of the second guide panel 172 and the other end of the fourth guide panel 174 are connected.

In Figure 2, the guide panel 170 is shown to include first to fourth guide panels 171, 172, 173, and 174, but the present invention is not limited thereto.

For example, as shown in FIG. 3, the guide panel 370 may have a structure in which six bars are connected.

Referring to FIG. 3, the guide panel 370 according to another embodiment includes a first guide panel 371, a second guide panel 372, a third guide panel 373, a fourth guide panel 374, and a fourth guide panel 374. It may include a fifth guide panel 375 and a sixth guide panel 376.

Each of the first to sixth guide panels 371, 372, 373, 374, 375, and 376 may have a bar shape.

In the guide panel 370 of FIG. 3, the first guide panel 171 of FIG. 2 may be divided into first and fifth guide panels 371 and 375, and the second guide panel 172 of FIG. 2 may be divided into the first and fifth guide panels 371 and 375. The difference is that it can be divided into second and sixth guide panels 372 and 376.

One end of the first guide panel 371 in FIG. 3 may be connected to the third guide panel 373, and the other end of the first guide panel 371 may be connected to one end of the fifth guide panel 375.

One end of the second guide panel 372 may be connected to the other end of the third guide panel 373, and the other end of the second guide panel 372 may be connected to one end of the sixth guide panel 376.

In addition, one end of the fourth guide panel 374 may be connected to the other end of the fifth guide panel 375, and the other end of the fourth guide panel 374 may be connected to the other end of the sixth guide panel 376. .

The first and fifth guide panels 371 and 375 may be connected to each other and arranged to extend in the first direction, and the second and sixth guide panels 372 and 376 may be connected to the first and fifth guide panels 371. , 375) can be arranged to face.

As shown in FIGS. 2 and 3, the guide panels 170 and 370 according to the present embodiments are composed of a plurality of guide panels that can be connected or divided, so that a large-area display panel 110 can be manufactured using an injection method. Supportable guide panels (170, 370) can be obtained.

The guide panel 370 according to FIG. 3 may include at least six connection parts (X1, X2, X3, X4, X5, and X6) of different guide panels.

For example, the guide panel 370 includes a first connection portion ( A second connection part (X2), which is an area where one end of the end and the fourth guide panel 374 are connected, and a third connection part ( X3) and a fourth connection portion (X4), which is an area where the other end of the sixth guide panel 376 and the other end of the fourth guide panel 374 are connected. In addition, the fifth connection portion ( It may further include a sixth connection portion (X6), which is an area where one end of is connected.

As described above, in order for the guide panel 370 to stably support the display panel 110 when an impact is applied to the first to sixth connection parts (X1, In the embodiments, at least one fixing part may be included in at least one connection part of the guide panel 370.

When examining this with reference to FIG. 4, it is as follows.

FIG. 4 is an enlarged view of the area including the first connection portion K1 of FIG. 3.

Referring to FIG. 4 , the display device 100 according to an embodiment of the present invention may include a display panel 110, a guide panel 370, and a top cover 480.

Here, the top cover 480 may be arranged to overlap a portion of the top surface and the side surfaces of the display panel 110 to prevent the display panel 110 from being separated due to movement.

Meanwhile, when the display panel 110 has a large area, the top cover 480 may also have a structure in which two or more top covers 481 and 483 are combined.

Meanwhile, in at least one connection portion of the guide panel 370 according to embodiments of the present invention, a fixing member may be provided to at least one guide panel.

For example, as shown in FIG. 4, in the first connection portion (X1), which is an area where one end of the first guide panel 371 and one end of the third guide panel 373 are connected, the first guide panel 371 ) may be provided with a first fixing part 475 that is integrated with the.

The first fixing part 475 is fastened to the first groove 476 provided in the third guide panel 373, so that the first guide panel 371 and the third guide panel 373 can be coupled.

The first connection portion (X1), which is the area where the first guide panel 371 and the third guide panel 373 are connected, will be examined in detail with reference to FIGS. 5 to 7 as follows.

Figure 5 is a diagram showing a state in which the first guide panel and the third guide panel are separated. Figure 6 is a diagram showing a state in which the first guide panel and the third guide panel are connected at the first connection portion. FIG. 7 is a diagram illustrating a structure according to another embodiment in which a first guide panel and a third guide panel are connected at a first connection portion.

First, referring to FIG. 5, a light source assembly, a diffuser plate, a light guide plate, and a plurality of optical sheets 130 may be mounted on the cover bottom 150 of the display device 100. Additionally, a housing 599 for dissipating heat generated from the light source assembly may be further disposed on the cover bottom 150.

At least one protrusion 554 for fastening to the guide panel 370 may be provided on at least one side of the cover bottom 150. The protrusion 554 of the cover bottom 150 is inserted into the open portion 578 of the guide panel 370, so that the cover bottom 150 and the guide panel 370 can be coupled to each other.

In addition, referring to FIGS. 5 and 6, at least one surface of at least one of the first to sixth guide panels constituting the guide panel 370 has at least one groove ( 575) may be provided.

For example, at least one groove 575 may be provided on at least one side of the first guide panel 371, and through this, the first guide panel 371 can be manufactured into a desired shape through injection molding. There is an effect.

Additionally, referring to FIG. 5 , a first fixing part 475 and a second fixing part 577 may be provided at at least one end 571 of the first guide panel 371 extending in the first direction. Here, one end 571 of the first guide panel 371 is a first guide panel including an area where the first guide panel 371 is connected to the third guide panel 373, as shown in FIG. 5. It may be the end of (371).

The first fixing part 475 and the second fixing part 577 may be integrated with the first guide panel 371. Additionally, the first fixing part 475 and the second fixing part 577 may be made of the same material as the first guide panel 371, but the present invention is not limited thereto.

Here, the first fixing part 475 may be configured to protrude from the upper surface of the first guide panel 371 at one end 571 of the first guide panel 371 . The second fixing part 577 may be configured to protrude from one end 571 of the first guide panel 371 from the side of the first guide panel 371 .

Meanwhile, in FIG. 5, the first and second fixing parts 475 and 577 are shown in a square pillar shape, but the present invention is not limited thereto. For example, the first and second fixing parts 475 and 577 may be polygonal pillars of shapes other than cylinders or square pillars.

A fastening part 476 to which the first fixing part 475 and the second fixing part 577 can be fastened to one end 573 of the third guide panel 373 connected to one end of the first guide panel 371. , 578) may be provided. Here, one end 573 of the third guide panel 373 may be an end portion of the third guide panel 373 including an area connected to one end 571 of the first guide panel 371.

The third guide panel 373 includes a first part 573a including an area connected to the upper surface of one end 571 of the first guide panel 371 and one end 571 of the first guide panel 371. It may include a second part 573b including an area connected to the side of .

A first fastener 476 is provided at one end of the first part 573a of the third guide panel 373, and a second fastener is provided at one end of the second part 573b of the third guide panel 373. Unit 578 may be provided.

Here, the first fastening part 476 may be a hole, and the second fastening part 578 may be a hole with one side open, but the shapes of the first and second fastening parts 576 and 578 of the present invention This is not limited to this. For example, the first and second fastening parts 576 and 578 may have the same shape.

And, as shown in FIG. 6, the first fixing part 475 may be fastened to the first fastening part 476. The second fixing part 577 may be fastened to the second fastening part 578.

That is, in the area where the first guide panel 371 and the third guide panel 373 are combined, the first and third guide panels 371 and 373 may overlap each other.

At this time, the height H1 of the first fixing part 475 may correspond to or be lower than the depth H2 of the first fastening part 476.

When the height H1 of the first fixing part 475 is higher than the depth H2 of the first fastening part 476, it is attached to the top cover 180 or the display panel 110 disposed on the guide panel 370. Due to interference, the top cover 180 or the display panel 110 cannot be properly seated on the guide panel 370.

In the embodiment of the present invention, the height H1 of the first fixing part 475 corresponds to or is lower than the depth H2 of the first fastening part 476, so that it can be used in other configurations coupled to the guide panel 370. The first and third guide panels 371 and 373 can be fastened without causing interference.

Meanwhile, as shown in FIG. 6, at least one first pad 631 may be provided on the top of at least one guide panel.

For example, a first pad 631 may be provided on the top of the first and third guide panels 371 and 373, and the first pad 631 prevents the plurality of optical sheets 130 from moving. can play a role.

Meanwhile, in Figures 5 and 6, the second fixing part 577 is shown to protrude from a part of the first guide panel 371, and the second fastening part 578 is shown to be a hole with one side open. The present invention is not limited to this.

For example, as shown in FIG. 7, the first guide panel 371 may be provided with a second fixing part in an area overlapping with the second fastening part 578 provided on the third guide panel 373. . At this time, the second fixing part may be a hole or a groove provided in the first guide panel 371 (hereinafter, for convenience of explanation, the description below in this embodiment will focus on the configuration in which the second fixing part is a hole).

A separate fixing member 779 may be fastened to the area where the second fixing part and the second fastening part 778 overlap. Here, the fixing member 779 may be a screw, but the present invention is not limited thereto.

In addition, in Figure 7, the second fixing part and the second fastening part 778 are shown as holes or grooves, but this embodiment is not limited to this, and at least two guide panels among the plurality of connection parts of the guide panel 370 It is sufficient if the structure includes a hole-in configuration at the same time as the fixing part and the fastening part.

In FIG. 7, a separate fixing member 779 is inserted into the second fixing part and the second fastening part 778, so that even if an external force is applied to the display device 100, the first guide panel 371 and the third guide panel ( 373) can be connected so as not to be separated.

The cross-sectional structure of the display device including the guide panel according to this embodiment is examined with reference to FIG. 8 as follows.

Figure 8 is a cross-sectional view taken along line A-B of Figure 4.

In the description below, content (configuration, effects, etc.) that overlaps with the previously described embodiments may be omitted.

Referring to FIG. 8, the display device 100 according to an embodiment of the present invention includes a display panel 110, a plurality of optical sheets 130, a light guide plate 140, a light source assembly 125, a diffusion plate 160, It may include a guide panel 370, a cover bottom 150, and a top cover 180.

Here, the first fixing part 475 provided on one side of the first guide panel 371 may be fastened to the first fastening part 476 provided on one side of the third guide panel 373.

The width W1 of the first fastening part 476 is wider than the width W2 of the first fixing part 475, thereby making it easy to fasten the first fixing part 475. Here, the width W1 of the first fastening part 476 and the width W2 of the first fixing part 475 are based on the first direction (the direction in which the first guide panel extends). It may be the maximum length of 476 and the maximum length of the first fixing part 475.

In addition, based on the second direction (the direction in which the third guide panel extends), the position of the upper surface of the first fixing part 475 is the upper surface of the third guide panel 373 surrounding the first fastening part 476. It may be lower than the position of (873).

Accordingly, since the first fixing part 475 does not protrude beyond the position of the upper surface 873 of the third guide panel 373, it may not cause interference with the top cover 180.

The top cover 180 may cover a portion of the top surface of the display panel 110 and may overlap a portion of the side and top surfaces of the guide panel 370. Additionally, the top cover 180 may be integrally formed by being fastened to the cover bottom 150.

Meanwhile, the display device 100 according to embodiments of the present invention may further include a flow prevention member 860 seated within the cover bottom 150.

A diffusion plate 160, a light source assembly 125, and a light guide plate 140 may be mounted on the flow prevention member 860. This flow prevention member 860 can prevent the diffusion plate 160, the light source assembly 125, and the light guide plate 140 from moving when the display device 100 is tested for reliability or used.

The first pad 631 is disposed on the flow prevention member 860 to prevent the plurality of optical sheets 130 from moving.

Additionally, a second pad 831 is disposed on the third guide panel 373 to prevent the display panel 110 from moving.

Meanwhile, when the display device 100 has a large area, not only the guide panel 370 but also the top cover 180, as shown in FIG. 9, may be configured as a split top cover.

Figure 9 is a diagram schematically showing the structure of a split top cover according to an embodiment of the present invention.

Referring to FIG. 9, the top cover 480 according to an embodiment of the present invention includes a first top cover 481, a second top cover 982, a third top cover 483, and a fourth top cover 984. ) may include.

At this time, the first top cover 481 may have a bar shape extending in a first direction (eg, horizontal direction).

The second top cover 982 may have a bar shape extending in the first direction and may be arranged to face the first top cover 481.

The third top cover 483 may have a bar shape extending in a second direction (eg, vertical direction) that intersects the first direction. Here, one end of the third top cover 483 may be connected to one end of the first top cover 481, and the other end of the third top cover 483 may be connected to one end of the second top cover 982. .

The fourth top cover 984 may have a bar shape extending in the second direction and may be arranged to face the third top cover 483. Here, one end of the fourth top cover 984 may be connected to the other end of the first top cover 481, and the other end of the fourth top cover 984 may be connected to the other end of the second top cover 982. .

The top cover 480 according to one embodiment may include at least four coupling portions (Y1, Y2, Y3, and Y4) of different top covers.

For example, the top cover 480 includes a first coupling portion (Y1), which is an area where one end of the first top cover 481 and one end of the third top cover 483 are connected. The second coupling portion (Y2) is an area where the other end and one end of the fourth top cover 984 are connected, and the third area is where one end of the second top cover 982 and the other end of the third top cover 483 are connected. It may include a coupling portion (Y3) and a fourth coupling portion (Y4) that is an area where the other end of the second top cover 982 and the other end of the fourth top cover 984 are connected.

In Figure 9, the top cover 480 is shown to include first to fourth top covers 481, 982, 483, and 984, but the present invention is not limited thereto. In the present invention, a structure in which two or more top covers are combined to form one top cover 480 is sufficient.

The above-described top cover 480 may be coupled to the guide panel 370 through fixing parts provided on the guide panel 370.

This structure is examined with reference to FIGS. 10 and 11 as follows.

FIG. 10 is a diagram illustrating a state in which the first top cover and the third top cover are separated in the area including the first coupling portion of FIG. 9. Figure 11 is a cross-sectional view showing a structure in which a top cover is coupled to a guide panel according to an embodiment of the present invention.

In the description below, content (configuration, effects, etc.) that overlaps with the previously described embodiments may be omitted.

10 and 11, one end of the third top cover 483 will be provided with a third fastening part 1076 to which the third fixing part 1075 of the first guide panel 371 can be coupled. You can.

The third fastening part 1076 of the third top cover 484 may be provided at a position corresponding to the first fastening part 476 of the third guide panel 373.

Meanwhile, the third fixing part 1075 provided on the first guide panel 371 may be placed in a position corresponding to the first fixing part 475 in FIG. 4, but is higher than the height of the first fixing part 475. It can be high. Through this, the third fixing part 1075 provided on the first guide panel 371 shown in FIGS. 10 and 11 can be fastened to the third guide panel 373 and the third top cover 483.

Additionally, a fourth fastening part 1078 may be provided at one end of the third top cover 483 to be spaced apart from the third fastening part 1076. The fourth fixing part 1077 of the first guide panel 371 may be fastened to the fourth fastening part 1078.

The third fastening part 1076 and the fourth fastening part 1078 may have a groove or hole configuration, but the present invention is not limited thereto.

The fourth fastening part 1078 of the third top cover 484 may be provided at a position corresponding to the second fastening part 478 of the third guide panel 373.

Meanwhile, the fourth fixing part 1077 provided on the first guide panel 371 may be placed in a position corresponding to the second fixing part 577 in FIG. 4, but is higher than the second fixing part 477. It can be high. Through this, the fourth fixing part 1077 provided on the first guide panel 371 shown in FIGS. 10 and 11 can be fastened to the third guide panel 373 and the third top cover 483.

In other words, in this embodiment, the top cover can be simultaneously coupled to another adjacent guide panel through a fixing part provided in at least one guide panel.

At this time, the height of the third fixing part 1075 is higher than the depth of the first fastening part 476, and the height of the fourth fixing part 1077 is higher than the depth of the second fastening part 478, so that the third guide The panel 473 and the third top cover 483 can be integrally combined.

10 and 11 illustrate a configuration in which the first guide panel 371 is provided with a third fixing part 1075 and a fourth fixing part 1077, but the present invention is not limited thereto. The first guide panel 371 may be provided with only one of the third fixing parts 1075 and the fourth fixing parts 1077.

For example, when only the fourth fixing part 1077 is provided in the first guide panel 371, the first fastening part 476 may not be present in the third guide panel 373, and the third top cover may not be provided. The third fastening portion 1076 may not exist in 484 as well.

Meanwhile, Figures 4 to 11 show a configuration in which the first guide panel 371 is provided with two fixing parts, but the present invention is not limited thereto, and the second guide panel 372 is also provided with at least one fixing part. It can be. In this case, the other guide panel (eg, third guide panel, etc.) connected to the second guide panel 372 and the top cover may be provided with a fastening part.

According to the above-described embodiments of the present invention, a guide panel is provided in which the bonding force of different guide panels is improved even when stress is applied to the area where a plurality of guide panels are joined in the process of moving a display device or performing a reliability test. By doing so, the display panel can be stably supported.

Additionally, according to embodiments of the present invention, a splitable guide panel capable of supporting a large-area display panel and a display device including the same can be provided.

The above description is merely an illustrative explanation of the technical idea of the present invention, and various modifications and variations will be possible to those skilled in the art without departing from the essential characteristics of the present invention. In addition, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but rather to explain it, and therefore the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be interpreted in accordance with the claims below, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of rights of the present invention.

100: display device
110: display panel
125: light source assembly
140: light guide plate
150: cover bottom
170: Guide panel
180: Top cover

Claims (19)

a first guide panel supporting the back and sides of the display panel; and
It includes a third guide panel connected to one end of the first guide panel,
The first guide panel includes a first fixing part provided on an upper surface of one end of the first guide panel and a second fixing part provided on one side of one end of the first guide panel,
The third guide panel includes a first fastening part that overlaps the first fixing part and a second fastening part that is spaced apart from the first fastening part and overlaps the second fixing part,
The first fixing part protrudes toward the top of the display panel, and the second fixing part protrudes toward the side of the display panel,
A guide panel further comprising a pad provided on top of the first guide panel and the third guide panel. According to claim 1,
The first fastening part and the second fastening part are hole-in guide panels provided in the third guide panel. According to clause 2,
A guide panel wherein at least one of the first fastening part and the second fastening part is a hole with one side open. According to claim 1,
The first fixing part and the second fixing part are integrated with the first guide panel,
The first fixing part and the second fixing part are areas that protrude from the first guide panel. According to clause 4,
The first fixing part is fastened to the first fastening part, and the second fixing part is fastened to the second fastening part. According to clause 4,
The height of the first fixing part corresponds to or is lower than the depth of the first fastening part,
A guide panel in which the height of the second fixing part corresponds to or is lower than the depth of the second fastening part. According to claim 1,
A guide panel wherein at least one of the first fixing part and the second fixing part is a hole or groove provided at one end of the first guide panel. According to clause 7,
A guide panel in which a fixing member is fastened to at least one of the areas where the first fixing part and the first fastening part overlap or the area where the second fixing part and the second fastening part overlap. display panel;
a guide panel that supports the display panel on a back and side surfaces of the display panel and includes a first guide panel and a third guide panel coupled to the first guide panel;
a plurality of optical sheets disposed on the back of the display panel;
a diffusion plate disposed on the back of the plurality of optical sheets; and
It includes a cover bottom disposed on the back of the diffusion plate,
The first guide panel includes a first fixing part provided on an upper surface of one end of the first guide panel and a second fixing part provided on one side of one end of the first guide panel,
The third guide panel includes a first fastening part that overlaps the first fixing part and a second fastening part that is spaced apart from the first fastening part and overlaps the second fixing part,
The first fixing part protrudes toward the top of the display panel, and the second fixing part protrudes toward the side of the display panel,
A display device further comprising a pad provided on top of the first guide panel and the third guide panel. According to clause 9,
The first fastening part and the second fastening part are hole-in display devices provided in the third guide panel. According to clause 9,
The first fixing part and the second fixing part are integrated with the first guide panel,
The first fixing part and the second fixing part are areas that protrude from the first guide panel. According to claim 11,
The height of the first fixing part corresponds to or is lower than the depth of the first fastening part,
A display device in which the height of the second fixing part corresponds to or is lower than the depth of the second fastening part. According to clause 9,
At least one of the first fixing part and the second fixing part is a hole or groove provided at one end of the first guide panel. According to claim 13,
A display device in which a fixing member is fastened to at least one of an area where the first fixing part overlaps with the first fastening part or an area where the second fixing part overlaps with the second fastening part. According to clause 9,
Further comprising a top cover overlapping with a portion of the upper surface and side surfaces of the display panel,
The top cover includes a first top cover and a second top cover coupled to one end of the first top cover. According to claim 15,
A display device wherein at least one of the first top cover and the second top cover is provided with a third fastener that overlaps the first fastener and a fourth fastener that overlaps the second fastener. According to claim 16,
The third fastening part and the fourth fastening part are grooves or holes in the display device. According to claim 16,
The third fastening part is fastened to the first fixing part of the first guide panel, and the fourth fastening part is fastened to the second fixing part of the first guide panel. According to clause 18,
The height of the first fixing part is higher than the depth of the first fastening part,
A display device in which the height of the second fixing part is higher than the depth of the second fastening part.

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