KR102517234B1 - Liquid crystal display device - Google Patents

Abstract

The present invention relates to a liquid crystal display device, and includes a liquid crystal display panel, a backlight unit, and a guide panel and a cover bottom for fixing them. The guide panel and the cover bottom are mutually fixed with an embossed structure to maintain a solid fastening state. By strengthening the fastening between the guide panel and the cover bottom, it is possible to prevent the structures accommodated in the inner space of the guide panel and the cover bottom from being separated.

Description

Liquid crystal display {LIQUID CRYSTAL DISPLAY DEVICE}

The present invention relates to a liquid crystal display device including a backlight unit.

Liquid crystal displays tend to have a wider range of applications due to features such as light weight, thin shape, low power consumption driving, and the like. This liquid crystal display device is used in portable computers such as notebook PCs, office automation devices, audio/video devices, indoor and outdoor advertising display devices, and the like. A liquid crystal display device displays an image by modulating light incident from a backlight unit by controlling an electric field applied to a liquid crystal layer of a liquid crystal display panel.

The backlight unit is divided into a direct type and an edge type. The edge type backlight unit has a structure in which a light source is disposed to face a side surface of the light guide plate and a plurality of optical sheets are disposed between the liquid crystal display panel and the light guide plate. In the edge-type backlight unit, a light source radiates light to one side of a light guide plate, and the light guide plate converts a line light source or a point light source into a surface light source and radiates the light to the liquid crystal display panel. The direct backlight unit has a structure in which a plurality of light sources are disposed below the liquid crystal display panel, and irradiates light diffused through a diffusion plate to the liquid crystal display panel.

The liquid crystal display panel (PNL) and the backlight unit are assembled together with case members that fix them to be implemented as a liquid crystal module (LCM). The case member may include a guide panel, a cover bottom, a case top, and the like.

Conventionally, in order to firmly fasten the case members, a plurality of screws were used. When the case members are fastened using a plurality of screws, the fastening may be satisfactory in terms of robustness, but there are problems in that the assembly process becomes complicated, the cost increases according to the number of screws, and the defect rate increases due to the addition of the process. .

An object of the present invention is to provide a liquid crystal display device in which a guide panel and a cover bottom maintain a solid fastening state by applying an embossed structure.

A liquid crystal display device according to the present invention includes a liquid crystal display panel, a backlight unit, a cover bottom and a guide panel. An input image is implemented on the front of the liquid crystal display panel. The backlight unit radiates light to the rear surface of the liquid crystal display panel. The cover bottom has a horizontal portion and a vertical portion. The horizontal part covers the rear surface of the backlight unit. The vertical portion extends from the horizontal portion to cover the side surface of the backlight unit. The guide panel has a first body and a second body. The first body supports an edge of the liquid crystal display panel from below. The second body extends from the first body and surrounds the vertical portion from the outside. The guide panel includes a rib extending in a direction parallel to the second body from the first body in the second section and spaced inwardly from the second body by a predetermined distance. The vertical portion is inserted between the second body and the rib, and has a cross-sectional shape bent to surround the side surface of the rib, and a longitudinal cross-sectional shape bent to surround the rear surface of the rib.

The liquid crystal display device according to the present invention includes a guide panel and a cover bottom fastened in an embossed structure, so that a solid fastening state can be maintained. That is, even when the guide panel is shifted due to an external force, the guide panel can maintain a fastened state with the cover bottom without completely separating from the cover bottom.

According to the present invention, the structure accommodated in the inner space of the guide panel and the cover bottom can be prevented from being separated by firmly fastening the guide panel and the cover bottom. Accordingly, the present invention can prevent damage or breakage of the liquid crystal display panel and the backlight unit from vibration or shock caused by external force.

1 is an exploded perspective view of a liquid crystal display according to the present invention.
FIG. 2 is a cross-sectional view of FIG. 1 taken along line I-I'.
3 is a perspective view showing a guide panel.
4 is a perspective view illustrating a cover bottom.
Figure 5 is a perspective view and a cross-sectional view showing a fastening state of the guide panel and the cover bottom.
FIG. 6 shows a first section of the embossed structure, and is a longitudinal cross-sectional view taken along line II-II' in FIG. 5 .
FIG. 7 shows a second section of the embossed structure, and is a longitudinal cross-sectional view taken along line III-III' in FIG. 5 .
FIG. 8 shows a third section of the embossed structure, and is a longitudinal cross-sectional view taken along line IV-IV' in FIG. 5 .
9 is a diagram for explaining the effect of the present invention.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings. Like reference numbers throughout the specification indicate substantially the same elements. In the following description, if it is determined that a detailed description of a known function or configuration related to the present invention may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted.

Hereinafter, the structure of the liquid crystal display device according to the present invention will be described with reference to FIGS. 1 and 2. 1 is an exploded perspective view of a liquid crystal display according to the present invention. FIG. 2 is a cross-sectional view of FIG. 1 taken along line I-I'.

Referring to FIGS. 1 and 2, the liquid crystal display device according to the present invention has a liquid crystal display panel (PNL) implementing an input image on the front side and a rear surface of the liquid crystal display panel (PNL) for irradiating light. Includes a backlight unit.

The liquid crystal display panel PNL includes a liquid crystal layer formed between the upper substrate USUB and the lower substrate LSUB, and may be implemented in any liquid crystal mode. The liquid crystal display panel PNL may be roughly classified into a vertical electric field type and a horizontal electric field type according to the direction of an electric field driving the liquid crystal. In the vertical electric field liquid crystal display panel PNL, a common electrode formed on an upper substrate USUB and a pixel electrode formed on a lower substrate LSUB are disposed to face each other, and liquid crystal is driven by a vertical electric field formed therebetween. For example, the liquid crystal may be driven in a Twisted Nematic (TN) mode or a Vertical Alignment (VA) mode. In the horizontal electric field type liquid crystal display panel PNL, liquid crystal is driven by a horizontal electric field between a pixel electrode disposed on the lower substrate LSUB and a common electrode. For example, the liquid crystal may be driven in an in plane switching (IPS) mode or a fringe field switching (FFS) mode.

To this end, on the lower substrate LSUB, data lines supplied with data voltages, gate lines crossed with the data lines and sequentially supplied with gate pulses, TFTs formed at intersections of the data lines and gate lines, and TFTs A pixel and a TFT array including pixel electrodes and a storage capacitor connected thereto are formed.

Polarizing films UP and LP may be provided on the front and/or rear surface of the liquid crystal display panel PNL. The polarizing films UP and LP are provided on at least one of the front and rear surfaces of the liquid crystal display panel PNL to pass only components of light emitted from the backlight unit in a specific direction.

The liquid crystal display panel PNL includes a data driving circuit and a gate driving circuit. The data driving circuit and the gate driving circuit may be formed directly on a substrate using a COG (Chip On Glass) method or may be mounted on a film using a COF (Chip On Film) method and bonded to one side of the substrate. For example, one end of the COF (CO) on which the data driving circuit is mounted may be connected to a printed circuit board (PCB), and the other end may be bonded to the board.

The backlight unit includes a light source LS, a light guide plate LGP, and a plurality of optical sheets OPS. The backlight unit converts light from the light source LS into light in the form of a uniform surface light source LS through the light guide plate LGP and the optical sheet OPS and radiates the light to the liquid crystal display panel PNL.

The light source (LS) is one or more light sources (LS) of lamps such as a light emitting diode (LED), a cold cathode fluorescent lamp (CCFL), and an external electrode fluorescent lamp (EEFL). can include The light source LS opposes the side surface (or light incident surface) of the light guide plate LGP and radiates light to the side surface of the light guide plate LGP. The light guide plate (LGP) is a plate material molded from transparent plastic, for example, polymethacrylate (PMMA), and converts light in the form of a point light source (LS) or line light source (LS) into light in the form of a surface light source (LS). plays a role in converting

The optical sheets (OPS) include one or more prism sheets and one or more diffusion sheets to diffuse light incident from the light guide plate (LGP) and to emit light at an angle substantially perpendicular to the light incident surface of the liquid crystal display panel (PNL). bends the path of

Below the light guide plate LGP, a reflection sheet REF is disposed to increase the efficiency of light incident on the liquid crystal display panel PNL by reflecting light incident from the light guide plate LGP. The reflective sheet REF is adhered to the cover bottom CB.

A liquid crystal display panel (PNL) and a backlight unit are implemented as a liquid crystal module (LCM) by assembling a cover bottom (CB) and a guide panel (GP) together.

A cover bottom CB is disposed below the light guide plate LGP. A cover shield CS may be disposed at one edge of the cover bottom CB. The cover shield CS may be provided in an area corresponding to an area where the COF (CO), the printed circuit board (PCB), and the light source LS are disposed. The cover bottom (CB) and cover shield (CS) are made of materials with high thermal conductivity and high rigidity so that heat from the COF (CO), printed circuit board (PCB), and light source (LS) can be smoothly discharged to the outside. can include For example, the cover bottom (CB) is made of aluminum, aluminum nitride (AlN), electro-galvanized steel (EGI), stainless (SUS), galvalume (SGLC), aluminum-plated steel (aka ALCOSTA), tin-plated steel (SPTE) It may be made of a metal plate such as In addition, such a metal plate may be coated with a high-conductivity material to promote heat transfer.

The cross section of the cover bottom CB is formed in an “B” shape having at least one bent portion. Specifically, the cover bottom CB includes a horizontal portion HP and a vertical portion VP. The horizontal portion HP is disposed to face the rear surface of the backlight unit and surround the rear surface of the backlight unit. The vertical portion VP extends from one end of the horizontal portion HP in the front direction. That is, the vertical portion VP has a shape protruding from the horizontal portion HP in the front direction. The vertical portion VP is disposed to face the side surface of the backlight unit and surround the side surface of the backlight unit. A backlight unit including a light source LS, a light guide plate LGP, an optical sheet OPS, and the like is accommodated in the internal space provided by the horizontal portion HP and the vertical portion VP.

The guide panel GP is disposed below the liquid crystal display panel PNL. The guide panel GP may have a rectangular frame shape through which a center is penetrated. The guide panel GP may be made of a plastic-based material that can be molded into a mold, such as polycarbonate. The guide panel GP supports the edge of the liquid crystal display panel PNL from its lower surface and maintains a constant distance between the liquid crystal display panel PNL and the optical sheet OPS.

The liquid crystal display panel PNL and the guide panel GP may be mutually fixed by the adhesive layer LSA. The adhesive layer LSA is interposed between the edge of the liquid crystal display panel PNL and the guide panel GP. The adhesive layer LSA may function as a fixing member that restricts or restricts mutual movement of the liquid crystal display panel PNL and the guide panel GP, and may function as a buffer member that buffers external forces provided thereto. In addition, the adhesive layer LSA may function as a light blocking member by including a light blocking material to prevent light from leaking to the edge of the liquid crystal display panel PNL.

In the present invention, in order to fix the movement of the liquid crystal display panel PNL, there is no need to shield all edges of the liquid crystal display panel PNL by providing a separate structure such as a case top. Accordingly, a bezel area generated when the edge of the liquid crystal display panel PNL is covered by the case top can be eliminated or reduced.

In order to protect the side surfaces of the oppositely disposed lower substrate LSUB and upper substrate USUB and prevent light leakage, a sealing agent RE covering the side surfaces of the lower substrate LSUB and the upper substrate USUB is applied. sealing) can be made. Resin for sealing may be composed of oligomer, monomer, photo-initiator, additives, etc., but is not limited thereto.

The cross section of the guide panel GP is formed in an “L” shape having at least one bent portion. Specifically, the guide panel GP includes a first body B1 and a second body B2. The first body B1 and the second body B2 may be implemented as one body. The first body B1 is provided parallel to the horizontal portion HP of the cover bottom CB. The second body B2 extends from one end of the first body B1 in the rear direction. That is, the second body B2 has a shape protruding from the first body B1 toward the rear surface.

The first body B1 supports an edge of the liquid crystal display panel PNL under the liquid crystal display panel PNL. The first body B1 is disposed to face the front surfaces of the optical sheet OPS and the light guide plate LGP and partially overlap the edges of the optical sheet OPS and the light guide plate LGP. The second body B2 is disposed to surround the vertical portion VP of the cover bottom CB from the outside.

A sink groove SH may be further provided in the first body B1. The sink groove SH may have a predetermined depth into which an end portion of the vertical portion VP of the cover bottom CB can be inserted. The movement of the vertical portion VP of the cover bottom CB may be constrained and restricted by the sink groove SH of the first body B1. However, there is a limit to increasing the depth of the sink groove SH in order to restrict the movement of the vertical portion VP. Therefore, it is difficult to secure a sufficient fastening force between the cover bottom CB and the guide panel GP simply by adjusting the depth of the sink groove SH into which the vertical portion VP is inserted.

The guide panel GP and the cover bottom CB are fixed to each other by a hook structure. That is, the present invention does not use a screw structure to fasten the guide panel GP and the cover bottom CB to each other. When a screw structure is applied, an additional process is required compared to a hook fastening structure. Accordingly, the assembly process time may increase, the manufacturing cost may increase, and the defect rate may also increase due to the increase in the number of processes. Therefore, the present invention can prevent the above problems by applying a hook structure rather than a screw fastening structure. However, in the case of the hook structure, the fastening force may be weak compared to the screw structure. To compensate for this, the present invention further includes a rigid fastening structure (hereinafter referred to as "embossed structure") to be described below.

Hereinafter, the embossed structure according to the present invention will be described with reference to FIGS. 3 to 9 . 3 is a perspective view showing a guide panel. 4 is a perspective view illustrating a cover bottom. Figure 5 is a perspective view and a cross-sectional view showing a fastening state of the guide panel and the cover bottom. FIG. 6 shows a first section of the embossed structure, and is a longitudinal cross-sectional view taken along line II-II' in FIG. 5 . FIG. 7 shows a second section of the embossed structure, and is a longitudinal cross-sectional view taken along line III-III' in FIG. 5 . FIG. 8 shows a third section of the embossed structure, and is a longitudinal cross-sectional view taken along line IV-IV' in FIG. 5 . 9 is a diagram for explaining the effect of the present invention.

3 to 7 , the fastening structure between the guide panel GP and the cover bottom CB includes a first section SE1 and a second section SE2. The first section SE1 and the second section SE2 have different fastening shapes. The fastening structure of the guide panel GP and the cover bottom CB may be realized by a combination of the first section SE1 and the second section SE2 adjacent to each other.

A preferred embodiment of the present invention may have a fastening structure in which a plurality of fastening units in which the first section SE1 and the second section SE2 are sequentially combined are provided on the long side and/or short side. In other words, a preferred embodiment of the present invention may have a fastening structure in which the first section SE1 and the second section SE2 are alternated n times (where n is a positive integer greater than or equal to 2). Accordingly, a solid fastening structure between the cover bottom CB and the guide panel GP may be implemented.

In the first section SE1 and the second section SE2 , the first body B1 of the guide panel GP has a constant width W.

In the second section SE2 , the inner surface IP of the second body B2 facing the vertical portion VP of the cover bottom CB includes a groove GR. A step is formed between the first section SE1 and the second section SE2 by the groove GR. Between the first section SE1 and the second section SE2, the outer surface OP of the second body B2 is flat, while the inner surface IP of the second body B2 is curved by a step. . Due to the groove GR, the thickness of the second body B2 is different from each other in the first section SE1 and the second section SE2. For example, in the first section SE1 , the second body B2 of the guide panel GP has a first thickness t1. In the second section SE2, the second body B2 of the guide panel GP has a second thickness t2. The second thickness t2 is smaller than the first thickness t1.

The guide panel GP further includes a rib provided on the second section SE2. The rib RB extends from the first body B1 in the rear direction parallel to the second body B2 in the second section SE2. That is, the rib RB has a shape protruding from the first body B1 toward the rear surface. The length of the rib RB in the rear direction is shorter than the length of the second body B2 in the rear direction.

The rib RB is spaced inwardly from the second body B2 by a predetermined distance. The vertical portion VP of the cover bottom CB is inserted into the separation space provided between the rib RB and the second body B2. The vertical portion VP of the cover bottom CB is provided along the shape of the groove GR formed on the inner surface IP of the second body B2. The rib RB overlaps the groove GR of the second body B2 with the vertical portion VP of the cover bottom CB interposed therebetween.

Within the separation space provided by the rib RB and the second body B2, the movement of the cover bottom CB is limited and constrained. Also, the movement of the guide panel GP including the rib RB and the second body B2 is limited and restricted by the cover bottom CB. That is, in the preferred embodiment of the present invention, since the movements of the guide panel GP and the cover bottom CB are mutually constrained by the above-described structure, a strong fastening structure can be implemented. In a preferred embodiment of the present invention, a more robust fastening structure can be implemented by sufficiently securing the degree of overlap between the rib and the second body with the side portion interposed therebetween.

More specifically, the vertical portion VP of the cover bottom CB in the first section SE1 extends from one end of the horizontal portion HP toward the front side.

In the second section SE2, the vertical portion VP of the cover bottom CB is provided to surround the side surface and the rear surface of the guide panel GP, which determine the outer shape of the rib RB. In the second section SE2, the vertical portion VP of the cover bottom CB is provided along the step of the inner surface that determines the outer shape of the second body B2 of the guide panel GP. Accordingly, the vertical portion VP of the cover bottom CB in the second section SE2 extends from one end of the horizontal portion HP in the front direction, and has a shape in which a vertical section and a cross section thereof are bent, respectively.

In the second section SE2 , the vertical cross-sectional shape of the vertical portion VP may include a 1-1 portion P1 , a 1-2 portion P2 , and a 1-3 portion P3 . The 1-1st portion P1 extends from one end of the horizontal portion HP in the front direction. The 1-1 part (P1) is provided at a position corresponding to the position where the rib (RB) is formed. The 1-2 part P2 is bent at one end of the 1-1 part P1 and extends in the width direction (or outward direction). The first-second part P2 surrounds the rear surface of the rib RB. The 1-3 part P3 is bent at one end of the 1-2 part P2 and extends in the front direction. The first to third parts P3 are inserted into the separation space between the second body B2 of the guide panel GP and the rib RB. Since the vertical cross-sectional shape of the vertical portion VP has a curved portion, the cover bottom CB and the guide panel GP can be more firmly fastened.

The cross section of the vertical portion VP has a shape bent along the step formed on the inner surface IP of the second body B2 between the rib RB and the second body B2. The cross section of the vertical portion VP has a shape bent along the outer shape of the rib RB between the rib RB and the second body B2. Accordingly, the vertical portion VP is provided to surround the side surface of the rib RB.

The cross section of the vertical portion VP may include a 2-1st portion Q1 and a 2-2nd portion Q2. The 2-1st portion Q1 extends in the width direction. The 2-1 part Q1 surrounds the side surface of the rib RB. The 2-2nd portion Q2 is bent at one end of the 2-1st portion Q1 and extended in the longitudinal direction. The 2-2nd portion Q2 is inserted into the separation space between the rib RB and the second body B2 of the guide panel GP. Since the cross-sectional shape of the vertical portion VP has a plurality of bent portions, the cover bottom CB and the guide panel GP can be more firmly fastened.

Referring further to FIG. 8 , the embossed structure further includes a third section SE3. The third section SE3 is provided within the first section SE1. In the case of including a plurality of first sections SE1, the third section SE3 may be provided in at least one of the plurality of first sections SE1.

In the third section SE3, the guide panel GP and the cover bottom CB are fixed to each other by a hook structure. Accordingly, mutual movement of the guide panel GP and the cover bottom CB may be constrained or restricted. For example, a protrusion PDP protruding toward the second body B2 of the guide panel GP is formed in the vertical portion VP of the cover bottom CB, and the second body of the guide panel GP ( B2) may include an inlet portion ISP into which the protruding portion PDP is drawn. The inlet portion ISP may have a shape of a hole penetrating the second body B2 and may have a shape of a groove in which a part of the second body B2 is recessed.

In a preferred embodiment of the present invention, since the movements of the guide panel GP and the cover bottom CB are constrained to each other, they can maintain a solid fastening state without being separated from each other. Accordingly, a preferred embodiment of the present invention can prevent damage or breakage of the liquid crystal display panel and the backlight unit from vibration or shock caused by external force.

9 is a view showing that the guide panel GP and the cover bottom CB can be firmly fastened by further providing a rib. That is, even when the guide panel GP is shifted due to an external force, the guide panel GP can maintain a fastened state with the cover bottom CB without completely separating from the cover bottom CB. According to the present invention, the structure accommodated in the inner space of the guide panel GP and the cover bottom BC can be prevented from being separated by firmly fastening the guide panel GP and the cover bottom CB.

The first body B1 of the guide panel GP may be defined by being divided into a first area A1 and a second area A2 outside the first area A1. The first area A1 may be defined as an area covering a portion of an edge of the backlight unit (eg, the optical sheet OPS and/or the light guide plate LGP). The second area A2 may be defined as an area where the second body B2 of the guide panel GP and the vertical portion VP of the cover bottom CB are located in the first section SE1. The second section SE2 may be defined as an area where the second body B2 of the guide panel GP, the rib RB, and the vertical portion VP of the cover bottom CB are located.

When the width of the second area A2 is increased, the area of the guide panel GP exposed in the front direction without being covered by the liquid crystal display panel PNL is relatively widened. This means that a bezel area in which an image is not implemented increases, thereby degrading a user's immersion. In order to prevent deterioration of immersion, each structure needs to be efficiently arranged in a limited space so that the width of the second area A2 is not widened.

In the second region A2 of the first section SE1, the second body B2 of the guide panel GP and the vertical portion VP of the cover bottom CB have a thickness capable of securing a predetermined rigidity. provided to have In addition to the second body B2 of the guide panel GP and the vertical portion VP of the cover bottom CB, a rib RB is further provided in the second area A2 of the second section SE2. In the first section SE1 and the second section SE2, the width of the second area A2 is preferably constant.

In order to further dispose the rib RB within the limited space of the second region A2, the second body B2 of the second section SE2 is provided with a groove GR. The groove GR has a shape depressed by a predetermined thickness. Due to the groove GR, the second body B2 of the second section SE2 has a smaller thickness than the second body B2 of the first section SE1. The inner surface IP of the second body B2 has a step due to a thickness difference. The rib RB is spaced apart from the groove GR by a predetermined distance and disposed opposite to the groove GR.

In the first section SE1 , the vertical portion VP of the cover bottom CB is formed along the inner surface IP of the second body B2 of the guide panel GP and has a flat shape. In the second section SE2, the vertical portion VP of the cover bottom CB is guided between the rib RB and the groove GR, and covers the side surface and rear surface of the rib RB. Accordingly, in the second section SE2, the cross section and the longitudinal section of the vertical portion VP of the cover bottom CB have a curved shape.

Accordingly, in a preferred embodiment of the present invention, the embossed structure can be implemented while keeping the width of the second area A2 constant without increasing it. This means that it is possible to implement a solid fastening structure while preventing a user's immersion rate from deteriorating by securing a relatively wide effective screen size for displaying an image in a liquid crystal display device of the same size. Accordingly, preferred embodiments of the present invention can provide a liquid crystal display device securing product reliability and stability.

Through the above description, those skilled in the art will be able to make various changes and modifications without departing from the spirit of the present invention. Therefore, the technical scope of the present invention is not limited to the contents described in the detailed description of the specification, but should be defined by the claims.

PNL: Liquid crystal display panel GP: Guide panel
OPS: optical sheet LGP: light guide plate
LS: light source REF: reflective sheet
CB: Cover Bottom CS: Cover Shield
B1: first body B2: second body
HP: horizontal part VP: vertical part
RB: rib

Claims (11)

A liquid crystal display panel that implements an input image on the front side;
a backlight unit radiating light to the rear surface of the liquid crystal display panel;
a cover bottom having a horizontal portion surrounding a rear surface of the backlight unit and a vertical portion extending from the horizontal portion and surrounding a side surface of the backlight unit; and
a guide panel having a first body supporting an edge of the liquid crystal display panel from a lower portion and a second body extending from the first body to surround the vertical portion from the outside;
The guide panel,
In the second section, a rib extending from the first body in a direction parallel to the second body and spaced inwardly from the second body by a predetermined distance,
the vertical part,
It is inserted between the second body and the rib, the cross-sectional shape has a shape bent to surround the side surface of the rib, and the longitudinal cross-sectional shape has a shape bent to surround the rear surface of the rib,
The cross-sectional shape of the vertical portion is,
a second-first part extending in the width direction so as to surround the side surface of the rib; and
A liquid crystal display device comprising a 2-2 portion bent at one end of the 2-1 portion and extending in a longitudinal direction so as to be inserted between the rib and the second body. According to claim 1,
Further comprising a first section adjacent to the second section,
The thickness of the second body in the second section,
It is thinner than the thickness of the second body in the first section,
The inner surface of the second body facing the vertical portion is curved by a step,
An outer surface of the second body is a flat liquid crystal display device. According to claim 2,
The cover bottom and the guide panel,
A liquid crystal display device having a fastening structure comprising a plurality of fastening units in which the first section and the second section are combined. According to claim 1,
The vertical cross-sectional shape of the vertical portion,
a 1-1 portion extending from the horizontal portion toward the front at a position corresponding to the rib;
a 1-2 portion bent at one end of the 1-1 portion and extending in a width direction so as to surround the rear surface of the rib; and
A liquid crystal display device comprising a 1-3 portion bent at one end of the 1-2 portion and extended in a front direction so as to be inserted between the rib and the second body. According to claim 1,
The vertical cross-sectional shape of the vertical portion,
A liquid crystal display device comprising at least two bends. According to claim 2,
The first body,
A first area covering an edge of the backlight unit and a second area outside the first area,
The second region,
The first section includes the second body and the vertical portion, and the second section includes the second body, the vertical portion, and the rib,
The second region,
A liquid crystal display device having a constant width in the first section and the second section. According to claim 2,
further comprising a third section within the first section;
In the third section, the vertical portion and the second body are coupled to each other through a hook structure. According to claim 7,
The hook structure,
a protrusion provided on the vertical portion to protrude toward the second body; and
A liquid crystal display device comprising an inlet portion provided in the second body so that the protrusion portion can be retracted. According to claim 1,
The first body,
A liquid crystal display device comprising a sink groove provided to allow an end portion of the vertical portion to be retracted. According to claim 1,
The liquid crystal display panel,
an upper substrate and a lower substrate disposed opposite to each other with the liquid crystal layer interposed therebetween; and
A liquid crystal display device comprising a sealing agent covering side surfaces of the upper substrate and the lower substrate. According to claim 1,
The liquid crystal display device further comprises an adhesive layer interposed on the edge of the liquid crystal display panel and the front surface of the guide panel.

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