KR102245829B1 - Display Device - Google Patents

Abstract

The present invention relates to a display device capable of removing a case top to protect the side and front surfaces of a display panel by optimizing the shape of a cover bottom supporting the rear and side surfaces of the display panel. , By forming a fixing protrusion and a fixing hole in the light source module and cover bottom of the display device to fix the light source module and the cover bottom, the inner curved part for fixing the existing light source module is removed to prevent the guide panel from lifting and the narrow bezel of the display device. (Bezel) can be achieved.

Description

Display Device}

The present invention optimizes the shape of a display device, more specifically, a cover bottom supporting the rear and side surfaces of the display panel, thereby removing a case top for protecting the side and front surfaces of the display panel. It relates to a display device that can be.

As the information society develops, demands for display devices for displaying images are increasing in various forms, and in recent years, liquid crystal displays (LCDs), plasma display panels (PDPs), organic electric fields Various display devices such as an OLED (Organic Light Emitting Diode Display Device) are being used.

Among these display devices, a liquid crystal display (LCD) includes an array substrate including a thin film transistor, which is a switching element for controlling on/off of each pixel region, and a color filter and/or a black matrix. It is composed of a display panel including an upper substrate and a liquid crystal material layer formed therebetween, a driving unit for controlling the thin film transistor, and a backlight unit (BLU) that provides light to the display panel. , The arrangement state of the liquid crystal layer is adjusted according to the electric field applied between the pixel (PXL) electrode and the common voltage (Vcom) electrode provided in the pixel area, and the transmittance of light is adjusted accordingly to display an image.

In the case of such a liquid crystal display device, there must be a backlight device that provides light from the outside, and such a backlight unit may include subunits such as a light source, a light guide plate, a reflective plate, and an upper sheet, and supports for mounting these subunits. It includes one or more frames or chassis as structures.

In addition, in addition to the metal chassis or cover bottom supporting the rearmost and side surfaces of the backlight unit, a plastic chassis or guide panel made of plastic material that fixes a display panel such as a liquid crystal display panel on the top by combining with the cover bottom. Panel).

In addition, a case top may be included as a member for protecting a front edge area of the display panel by surrounding the side surface of the cover bottom and extending to a partial area in front of the display panel.

On the other hand, the cover bottom must include a'c'-shaped bent portion to fix the LED light source module of the backlight unit, and due to this bend for fixing the light source module, it is difficult to minimize the bezel, as well as the spreading of the bent portion. Due to this, there is a disadvantage in that various problems such as lifting of the guide panel may occur.

In addition, various components such as a cover bottom, a guide panel, and a case top are required as a fixing structure for the display panel, resulting in problems such as an increase in cost and poor assembly.

The present invention is focused on this point, and by changing the shape of the cover bottom supporting the display panel from the rear and the side, it is not necessary to form a bent portion for fixing the light source module, and the function of the existing case top can be replaced.

In this background, an object of the present invention is to prevent the guide panel from lifting by removing the existing bent portion for fixing the light source module by the cover bottom supporting the rear and side surfaces of the display device including the light source module fixing groove. do.

Another object of the present invention is to achieve a narrow bezel of a display device by removing a bent portion for fixing a light source module from a cover bottom.

In addition, another object of the present invention is to reduce parts by replacing the function of the case top used to protect the side/front of the existing display panel by forming a side extension part surrounding the entire side of the guide panel at the cover bottom. The purpose.

In addition, another object of the present invention is to provide a display device capable of protecting COF by forming an opening for protecting a chip on film (COF) in some of the side extensions of the cover bottom.

In order to achieve the above object, an embodiment of the present invention includes a display panel, a backlight unit for providing light to the display panel, a cover bottom supporting a part of the backlight unit, and the display panel In a display device including a guide panel that is supported by and connected to the cover bottom, a fixed protrusion is provided in a partial region of a light source module included in the backlight unit, and a fixing protrusion of the light source module is fitted to one side of the cover bottom A display device having a fixing groove for fixing the light source module to a cover bottom is provided.

According to an embodiment of the present invention, the guide panel is lifted by removing the existing inner bent portion for fixing the light source module by forming a fixing protrusion and a fixing hole in the light source module and the cover bottom of the display device to fix the light source module and the cover bottom. There is an effect of preventing the display and achieving a narrow bezel of the display device.

In addition, by forming an outer bent extension part constituting the outer portion of the display device by surrounding the entire side of the display panel at the cover bottom of the display device, it replaces the function of the case top that was used to protect part of the side/front side of the display panel. There is an effect of reducing parts for fixing the display device.

In addition, by forming an opening for protecting a chip on film (COF) in some of the side extensions of the cover bottom of the display device, there is an effect of protecting the COF extending from the rear of the cover bottom to the display panel.

1 illustrates a display device according to the prior art, in which (a) of FIG. 1 is a plan view, and (b) of FIG. 1 is a cross-sectional view of one side of the display device.
2 is an enlarged cross-sectional view of one side of a display field according to the prior art.
3 is a diagram for a problem that may occur in the cover bottom according to the prior art.
FIG. 4 is a view of a part of a display device according to an embodiment of the present invention, that is, an area including a cover bottom and a light source module. FIG. 4A is a perspective view of the cover bottom and the light source module, and FIG. b) is a cross-sectional view.
5 illustrates a COF protection operation of a cover bottom according to an embodiment of the present invention.
6 shows a connection relationship between a cover bottom and 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 exemplary drawings. In adding reference numerals to elements of each drawing, the same elements may have the same numerals as possible even if they are indicated on different drawings. In addition, in describing the present invention, when it is determined that a detailed description of a related known configuration or function may obscure the subject matter of the present invention, the detailed description may be omitted.

In addition, in describing the constituent elements of the present invention, terms such as first, second, A, B, (a) and (b) may be used. These terms are only for distinguishing the component from other components, and the nature, order, order, or number of the component is not limited by the term. When a component is described as being "connected", "coupled" or "connected" to another component, the component may be directly connected or connected to that other component, but other components between each component It should be understood that "interposed" or that each component may be "connected", "coupled" or "connected" through other components.

1 illustrates a display device according to the prior art, in which (a) of FIG. 1 is a plan view, and (b) of FIG. 1 is a cross-sectional view of one side of the display device.

As shown in (a) of FIG. 1, the display device 100 to which an embodiment of the present invention can be applied includes a panel portion such as a liquid crystal display panel and a bezel area formed at the bottom thereof, and a partial area at the bottom thereof to be described later. As shown, the case top 110 is formed to cover a part of the front edge of the panel.

FIG. 1B is a cross-sectional view II' from one side of the display device of FIG. 1A, in which the display panel 160 and the backlight unit 130 disposed under the display panel to irradiate light to the display panel are arranged. In addition, a cover bottom 120 made of a metal material that supports the backlight unit 130 and extends over the entire rear surface of the display device is disposed.

In addition, guide panels 140 and 150 made of plastic, which are structured to connect the backlight unit 130 and the display panel 160 by extending between the cover bottom side and a part of the front side of the backlight unit, are disposed. It may include a lower guide panel 140 and an upper guide panel 150 disposed thereon.

The double-sided tape 170 is attached to a portion of the upper surface of the upper guide panel and the display panel 160 is disposed thereon, so that the display panel may be fixedly mounted.

In addition, a case top 110 made of metal is disposed at the outermost portion of the display device, and the case top 110 surrounds the side portion of the guide panel 140 to reach a partial area of the front portion of the display panel. By expanding, the display panel is protected, and a chip-on-film (COF) circuit for connecting the display panel to the printed circuit board 180 disposed behind the cover bottom is protected.

In the case of a liquid crystal display panel, the display panel 160 again includes a plurality of gate lines, data lines, and pixels defined in crossing regions thereof, and a thin film transistor that is a switching element for controlling light transmittance in each pixel. It may be configured to include an array substrate, an upper substrate including a color filter and/or a black matrix, and a liquid crystal material layer formed therebetween.

Meanwhile, a display panel to which the present invention can be applied is not limited to such a liquid crystal display panel, and may include not only a display device such as a plasma display, but also a display device that emits light such as an OLED.

As shown in (b) of FIG. 1, in a liquid crystal display to which an embodiment of the present invention can be applied, a cover bottom 120 and a guide panel 140 are provided as a support structure for supporting the display panel 160 and the backlight unit 130. 150) and the like.

Meanwhile, as shown in (b) of FIG. 1, in the case of the cover bottom 120 used in a display device according to the prior art, a'C' character is used to fix the light source module 132 of the backlight unit 130. To form an end.

That is, the light source module 132 in the "C"-shaped accommodation space surrounded by the bottom surface of the cover bottom and the inner surface of the cover bottom by forming the inner bent portion 122 that is bent inward at the side end of the cover bottom. ) Is fixed by being inserted.

2 is an enlarged cross-sectional view of one side of the display field according to FIG. 1, FIG. 2(a) is an enlarged cross-sectional view of the backlight unit 130, and FIG. 2(b) is an enlarged cross-sectional view near the inner bent portion of the cover bottom to be.

Typically, the backlight unit 130 includes a light source module 132 including a light source 132 ″ such as an LED, a holder 132 ′ for fixing the light source, and a light guide plate ( LGP; 136) or diffuser, reflector 134 for reflecting light in the direction of the display panel, LED flexible circuit, which is a circuit to control the on/off of light source, and the light guide plate to improve brightness and diffuse light And it may include sub-units such as one or more optical films or sheets (Sheet; 138) arranged for the purpose of protection.

Among them, the light source module 132 is a light source element such as a plurality of LEDs attached to a long plate-shaped holder, and must be fixedly mounted on the edge of the display device, and for this purpose, as described above, the inside of the cover bottom 120 is bent. Part 122 had to be formed.

Meanwhile, as shown in (b) of FIG. 2, due to the inner bent portion 122 formed for the “c”-shaped space accommodating the light source module 132 and the guide panel 140 disposed therein, the display device There is a problem that the width of the bezel, which is the edge area of the, increases.

That is, as shown in (b) of FIG. 2, a space equal to the sum of the length A of the inner bent portion 122 of the cover bottom 120 and the thickness B of the inner guide panel 140 is required. In order to reliably support the light source module, the length A of the inner bent portion 122 of the cover bottom must be maintained at a certain size or more (about 2 to 2.5 times the thickness of the cover bottom T).

In addition, the thickness of the guide panel 140 is also the minimum thickness for molding, and should be maintained at about 0.6 times or more of the total thickness t of the guide panel.

As such, the narrow bezel has a limit because at least the size of A+B must be secured in the bezel area.

3 is a diagram for a problem that may occur in the cover bottom according to the prior art.

On the other hand, in the case of reducing the length A of the inner bent portion 122 of the cover bottom 120 in order to reduce the bezel width, after the cover bottom made of metal is punched in the mold, the inner bent portion ( A so-called spring back phenomenon may occur in which the bending of 122) is partially unfolded.

When the inner bent portion is partially unfolded due to the spring-back phenomenon, the entire upper structure such as the guide panel and the display panel may be lifted, thereby causing a part of the light of the backlight unit to leak to the outside for display. Defects that are visible at the edge of the device may occur.

In addition, as shown in FIG. 3B, when the width of the bezel is severely reduced, a defect may occur in which a hot spot, which is a shaded area between the diffusion angles of the light source, is formed in the display area.

As described above, in the case of the cover bottom of the display device according to the prior art, since the inner bent portion must be formed in order to fix the light source module of the backlight unit, there is a limitation in reducing the width of the bezel, as well as various problems such as light leakage and hot spot defects. There are several problems.

In addition, as shown in (b) of FIG. 1, as a support and protection structure for the backlight unit and display panel of the display device, too many parts such as cover bottom, guide panel, and case top are required, so cost increases and assembleability There was also a downside to this fall.

Accordingly, in an embodiment of the present invention described below in FIG. 4, a protrusion is formed in the optical module of the backlight unit of the display device, and a fixing groove to which the protrusion is inserted is formed in a part of the cover bottom, so that the protrusion of the optical module is a cover bottom. By inserting and fixing in the fixing groove of the above, the inner bent portion of the cover bottom is removed.

In addition, the case top is replaced by forming an outer bent extension portion that is bent and extended outward from the side of the cover bottom to surround the side surface of the display panel to form an outer portion of the display device.

Hereinafter, a detailed configuration of a display device according to a specific embodiment of the present invention will be described.

FIG. 4 is a view of a part of a display device according to an embodiment of the present invention, that is, a region including a cover bottom and a light source module. FIG. 4A is a perspective view of the cover bottom and the light source module. b) is a cross-sectional view.

As shown in FIG. 4, a display device according to an embodiment of the present invention includes a display panel 460, a backlight unit 430 for providing light to the display panel, and a part of the backlight unit. A display device including a cover bottom 420 and a guide panel 440 connected to the cover bottom while supporting the display panel from below, wherein a fixed protrusion ( 436 is provided, and a fixing protrusion 436 of the light source module 432 is inserted at one side of the cover bottom 420 to form a fixing groove 422 for fixing the light source module to the cover bottom.

The display panel used in the embodiment of the present invention may be a liquid crystal display panel, but is not limited thereto, and the embodiment of the present invention can be applied to all types of display panels such as plasma displays and organic light emitting diode (OLED) display panels. will be.

In the case where the display panel 460 according to an embodiment of the present invention is a liquid crystal display panel, again, a plurality of gate lines and data lines, pixels defined in crossing regions thereof, and light transmittance of each pixel are adjusted. An array substrate including a thin film transistor (TFT), which is a switching element for, an upper substrate including a color filter and/or a black matrix, and a liquid crystal material layer formed therebetween, and a touch window ( 462 may be additionally disposed on the upper front surface of the display panel.

In addition, although not shown in detail, the backlight unit 430 used in the embodiment of the present invention includes a light source module 432 including a light source (LED) such as an LED in detail, and for diffusing light to the entire panel area. A light guide plate (LGP) or a diffuser plate, a reflector for reflecting light in the direction of the display panel, an LED flexible circuit (LED FPC), a circuit that controls the on/off of a light source, It may include sub-units such as one or more optical films or sheets arranged for diffusion and protection purposes.

In the embodiment of the present invention, the light source module may include a light source element 434 and a light source holder 433 having a long plate-like structure for supporting the light source element, and a fixing groove 422 of the cover bottom is provided under the light source module. ), a plurality of fixing protrusions 436 for fixing the light source module to the cover bottom are formed.

The light source device 434 of the light source module may be a light emitting diode (LED) or a light emitting diode strip, but is not limited thereto, and any type of light source may be used as long as it can provide light necessary for the display panel.

The LGP is generally die-cut from a plastic sheet, extruded, or formed into a rectangular clear plastic sheet that is injection-molded, and light from a light source such as a light emitting diode array is emitted to the edge of the light guide plate. As a result, it is totally reflected inside the light guide plate and diffuses across the rear surface of the display panel, and light emitted through the flat upper surface of the light guide plate functions as a backlight of the display panel.

Meanwhile, one or more chassis may be used as a support structure for mounting/supporting the backlight unit such as such a light source, a reflector, and a light guide plate, and this chassis is a metal frame that covers the entire backlight unit from the rearmost. It includes a cover bottom 420 and a guide panel 440, which is a plastic chassis connected to the cover bottom while supporting the display panel from the bottom.

The cover bottom 420 according to the present invention includes a bottom surface portion 426 covering all or part of the rear surface of the backlight unit, and a side surface portion 428 in contact with the outer surface of the light source module, and surrounds the display device with a side area of the display panel 460. It includes an outer bent extension 424 extending outward to form a part of the outer portion of the.

The outer bent extension 424 of the cover bottom completely surrounds the side of the display panel of the display device and forms the outer edge of the display device, as will be described later, to protect the COF, which is a connection circuit extending from the rear side of the cover bottom. Since it includes a structure, it is possible to completely replace the case top used in the display device shown in FIG. 1 and the like.

As described above, since the case top is not required due to the outer bent extension 424 of the cover bottom, the total number of parts can be reduced, and thus, effects such as cost reduction and improved assembly performance are generated.

A fixing groove 422 opened with a predetermined width is formed in a portion of the bottom surface 426 of the cover bottom 420 to fit the fixing protrusion 436 of the light source module described above.

However, the shape and position of the fixing protrusion and fixing groove for fixing the light source module and the cover bottom are not necessarily limited to the shape of FIG. 4, for example, the fixing protrusion of the light source module extends to the rear of the light source holder 433 It is formed, and the fixing groove of the cover bottom may be formed in a partial area of the side surface 428 of the cover bottom.

In addition, to contrast with FIG. 4, the fixing protrusion may be formed in the cover bottom and the fixing groove may be formed in the light source module.

In addition, the fixing protrusions and fixing grooves are formed only on one surface of the display device, and 4 to 7 may be formed on the entire surface, but are not limited thereto, as long as the light source module can be firmly supported on the cover bottom. There are no restrictions on the size of the width, etc.

However, depending on the size of the display device, 4 to 7, more preferably 5 or 6 fixing protrusions and fixing grooves may be formed over the entire edge.

In addition, in some areas of the outer bent extension 424 of the cover bottom 420, a chip-on-film (COF), which is a connection circuit extending from the driving circuit unit disposed on the rear side of the cover bottom to the display panel, is used for COF protection. One or more cutouts 426 are formed.

The configuration of such a COF protection cutout 426 will be described in more detail below with reference to FIG. 5.

In the present specification, the cover bottom 420 and the guide panel 440 may be abbreviated as m-chassis and p-chassis, respectively, and the guide panel is a rectangular frame-shaped structure having a cross-sectional shape having a plurality of bent portions. It is connected to a cover bottom 420 and is used to accommodate a structure of a backlight unit such as a light source, a reflector, and a light guide plate therein.

More specifically, the guide panel 440 is formed between an inner surface of the outer bent extension 424 of the cover bottom 420 and a side surface of the display panel 460, and between a partial area of the upper surface of the backlight unit and a partial area of the lower surface of the display panel. It is a plastic member to be placed.

A double-sided adhesive tape 470 is attached to a part of the upper surface of the guide panel 440, and a display panel is attached to and fixed to the upper surface of the double-sided adhesive tape 470.

In this specification, the cover bottom 420 may be used in other expressions such as a base frame, a metal frame, a metal chassis, and a chassis base, and the display panel and As a support for fixing at least one of the backlight units, it may be defined as a frame or plate-like structure formed of a material such as metal disposed at the most base of the display device.

5 illustrates a COF protection operation of a cover bottom according to an embodiment of the present invention.

As shown in FIG. 5, a driving circuit unit (a main driving circuit for driving the display panel 460) or a touch driving circuit for driving a touch of the touch panel 462 in a partial area of the rear or rear surface of the cover bottom 420 ( 480 is disposed, and a COF 490 as a connection circuit for connecting the driving circuit unit 480 and the display panel 460 is provided.

This COF may be manufactured by the same process as the driving circuit unit 480, and connection wiring for connecting various circuit elements included in each flexible printed circuit (FPC) and each corresponding part of the display panel 460 This means a connection part such as a flexible flat cable.

This COF refers to a flexible circuit element manufactured in a form in which circuit elements are directly formed on a conductive thin film such as a polyimide (PI) film, and so on, and has a narrow meaning distinguished from the Tape Carrier Package (TCP) method. It is also used as.

Since the TCP method is a method in which the front and rear of the driving chip (IC chip) are connected to the display panel and the circuit board by a tape film, the COF method in a narrow sense is a flexible printed circuit connected to a display panel or a touch window ( Flexible Printed Circuit (FPC) refers to a method in which various circuit elements such as IC chips are placed on a film.

That is, in the present specification, "COF 490" is a connection for transmitting various control signals, data signals, etc. to the driving target by electrically connecting the driving circuit unit 480 disposed behind the cover bottom and the display panel to be driven. It should be interpreted to mean all types of connection members on which wirings or signal lines are formed, and may be expressed in other terms such as connection circuits and flexible circuit boards.

The COF 490 starts from the driving circuit unit 480 and extends to be bent so as to return to one edge of the cover bottom 420 and is connected to a part of the display panel 460.

Since the COF 490 starts from the corresponding driving circuit unit 480 disposed at the rear of the cover bottom 420 and extends to a display panel in front of the cover bottom, it must be extended by bending around the edge of the cover bottom. In this process, it is necessary to protect the COF that extends bending.

As shown in FIG. 1, in the conventional display device, the COF extends by bending in the space between the guide panel 140 and the case top 110, and as a result, the case top functions to protect the COF from the outside.

On the other hand, in the case of a structure in which the case top is removed while forming the outer bent part 424 on the cover bottom 420 to form the outer part of the display device as in the embodiment of the present invention, an additional structure to protect the COF is required. .

To this end, as shown in FIG. 5, in an embodiment of the present invention, a cut-out portion 426 for COF protection for passing a chip-on-film (COF) in a partial area of the outer bent extension portion 424 of the cover bottom 420 ) Is what forms.

That is, as shown in FIG. 5, a cut-out area for COF protection, which is a cut-out area having a certain width, more specifically, a certain size larger than the width of the COF in the outer bent extension 424 of the bottom cover 420 A 426 is formed, and the COF is bent and extended through the incision 426 for COF protection.

Accordingly, the bent and extended COF 490 is seated inside the COF protection cutout 426, and the COF can be protected by the outer bent extensions 424 on both sides thereof.

Meanwhile, a D-IC driving chip 492, which is a data driving circuit, may be disposed in a portion of the COF 490 used in the embodiment of the present invention.

6 shows a connection relationship between a cover bottom and a guide panel according to an embodiment of the present invention.

In the conventional display device as shown in FIG. 1, the cover bottom 120 and the guide panel 140 may be connected by a coupling means such as a screw.

Meanwhile, as shown in FIG. 6, in the display device according to the exemplary embodiment of the present invention, the cover bottom 420 and the guide panel 440 may be connected to each other as a hook structure.

That is, a hook protrusion is formed in a partial area of the side portion 428 of the cover bottom 420, and a hook hole 442 is formed at a corresponding position of the guide panel 440, and the hook hole is inserted into the hook protrusion to prevent the cover bottom. And the guide panel can be fixed.

More specifically, as shown in FIG. 6, at least one hook protrusion 429 is provided in the cover bottom side portion 428 under the COF protection cutout 426 of the cover bottom 420, and the guide panel ( A hook hole 442 inserted into the hook protrusion may be formed in a part of the side surface of the 440.

That is, the COF protection cutout 426 is cut slightly larger than the width of the COF 490, and two hook protrusions 429 are formed on the cover bottom side 428 in the area under the COF protection cutout, and the guide Two hook holes 442 that are fitted to the hook protrusions are formed on a part of the side surface of the panel 440, and the cover bottom and the guide panel can be connected through the hook structure. Can be extended.

Therefore, the cut-out width of the cut-out portion 426 for COF protection is preferably formed to be greater than the sum of the width of the COF 490 to be protected and the width of the hook protrusion.

Accordingly, there is an effect that there is no need for an additional structure such as screws for connecting the conventional cover bottom and the guide panel.

As described above, according to the embodiment of the present invention, by fixing the light source module and the cover bottom by forming a fixing protrusion and a fixing hole in the light source module and the cover bottom of the display device, the existing inner curved part for fixing the light source module is removed. There is an effect of preventing the guide panel from being lifted and achieving a narrow bezel of the display device.

In addition, by forming an outer bent extension part constituting the outer part of the display device by surrounding the entire side of the display panel at the cover bottom of the display device, it replaces the function of the case top used to protect part of the side/front side of the display panel. There is an effect of reducing parts for fixing the display device.

In addition, by forming an opening for protecting a chip on film (COF) in some of the side extensions of the cover bottom of the display device, there is an effect of protecting the COF extending from the rear of the cover bottom to the display panel.

The description above and the accompanying drawings are merely illustrative of the technical idea of the present invention, and those of ordinary skill in the technical field to which the present invention pertains, combinations of configurations within the scope not departing from the essential characteristics of the present invention. Various modifications and variations, such as separation, substitution, and alteration, will be possible. Accordingly, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but to explain the technical idea, and 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 by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

420: cover bottom 430: backlight unit
432: light source module 436: fixed protrusion
422: fixing groove 424: outer bending extension
426: COF protection cutout 440: guide panel
460: display panel 480: driving circuit part
490: Chip On Film (COF)

Claims (9)

A display device including a display panel, a backlight unit for providing light to the display panel, a cover bottom supporting a part of the backlight unit, and a guide panel connected to the cover bottom while supporting the display panel from below In,
Fixed protrusions are provided in some areas of the light source module included in the backlight unit,
One side of the cover bottom is provided with a fixing groove for fixing the light source module to the cover bottom by inserting a fixing protrusion of the light source module,
The cover bottom includes an outer bent extension part extending outside the display panel and surrounding a side area of the display panel,
A cutout for COF protection is provided in a portion of the outer bent extension portion through which a chip-on-film (COF) extending from the circuit portion at the rear of the cover bottom to the display panel passes,
One or more hook protrusions are provided on a side surface of a cover bottom under the incision for protecting the COF, and a hook hole fitted into the hook protrusion is provided on a part of a side surface of the guide panel. The method of claim 1,
The outer bent extension part constitutes a part of an outer portion of the display device. The method of claim 1,
And the guide panel is a plastic member disposed between an inner surface of an outer bent extension portion of the cover bottom and a side surface of the display panel, and between an upper portion of the backlight unit and a portion of a lower surface of the display panel. delete The method of claim 1,
The display device, wherein the cut-out width of the cut-out portion for protecting the COF is larger than a width of the COF by a predetermined size or more. delete The method of claim 1,
The display device according to claim 1, wherein the cut-out width of the cut-out portion for protection of the COF is greater than a sum of the width of the COF and the width of the hook protrusion. The method of claim 1,
And the fixing protrusion is disposed under the light source module, and the fixing groove is disposed on a part of a bottom surface of the cover bottom. The method of claim 1,
The fixed protrusion and the fixing groove are provided only on one surface of the display device, and 4 to 7 are provided over the entire surface of the display device.

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