KR20190025428A - Display device - Google Patents

Abstract

Disclosed is a display device. The display device of the present invention comprises a display panel, a frame located behind the display panel, a back cover located behind the frame, and a coupler mounted on the frame and coupled with the back cover. The frame includes a slot formed on a back surface or a side surface of the frame. The coupler includes a body extending longitudinally along one side of the frame, a protrusion protruding from one surface of the body, and an insertion part extending from one side of the body and fitted in the slot. The back cover can be hung on the protrusion of the coupler.

Description

DISPLAY DEVICE {DISPLAY DEVICE}

The present invention relates to a display device.

(PDP), an electro luminescent display (ELD), a vacuum fluorescent display (VFD), a liquid crystal display (PDP), and the like have been developed in recent years in response to the demand for display devices. Display) have been studied and used.

Among them, a liquid crystal panel of an LCD includes a TFT substrate and a color filter substrate facing each other with a liquid crystal layer and a liquid crystal layer interposed therebetween, and an image can be displayed using light provided from the backlight unit.

In recent years, studies have been actively conducted to improve the assembling structure of a display device while securing the rigidity of the display device.

The present invention is directed to solving the above-mentioned problems and other problems. Another object may be to provide a display device capable of improving the constraints of the structural design.

Another object is to provide a display device capable of improving the deformation of the back cover upon assembly and / or disassembly of the display device.

Yet another object is to provide a display device capable of improving the efficiency of the assembly process of a display device.

Another object of the present invention is to provide a display device capable of improving defects due to thread abrasion that occurs when a screw of a display device is fastened.

According to an aspect of the present invention, there is provided a display panel comprising: a display panel; A frame positioned behind the display panel; A back cover positioned behind the frame; And a coupler mounted on the frame and coupled to the back cover, the frame comprising: a slot formed on a rear surface or a side surface of the frame, the coupler comprising: a body extending lengthwise along one side of the frame, ; A protrusion protruding from one surface of the body; And an insertion portion extending from one side of the body and fitted in the slot, the back cover being engaged with the projection of the coupler.

According to another aspect of the present invention, the body of the coupler further includes: a horizontal part positioned on a rear surface of the frame; And a vertical part connected to the horizontal part and located on a side of the frame, wherein a slot of the frame is formed on a rear surface of the frame adjacent to a horizontal part of the coupler, And can be inserted into the slot of the frame.

According to another aspect of the present invention, the projection may be formed in a vertical part of the coupler.

According to another aspect of the present invention, the back cover includes: a back plate facing the rear surface of the frame; A sidewall extending from the backplate and covering a side of the frame; And a latch portion extending from the sidewall toward the side of the frame and hooked to the projection of the coupler.

According to another aspect of the present invention, the coupler includes: a tab formed at one end of the body; And a hole formed in the body adjacent to the tab.

According to another aspect of the present invention, there is provided a display device, comprising: a front cover covering one edge of a front surface of the display panel, the front cover comprising: a first part facing a front surface of one edge of the display panel; A second part bent and extended in the first part and covering a side surface of the display panel; A third part bent and extended in the second part, the third part facing the first part; A fourth part bent and extending in the third part in a direction crossing the first part; And a locking protrusion protruding from an outer surface of the fourth part, and the back cover may be coupled to the locking protrusion.

According to another aspect of the present invention, the coupler may include: a rib located adjacent to the insert and extending from the horizontal part to the vertical part.

According to another aspect of the present invention, the projection may be located adjacent to the insertion portion.

According to another aspect of the present invention, the frame includes: a first long side; A second long side facing the first long side; A first short side connecting one end of the first long side and the short side of the second long side; And a second short side opposing the first short side and connecting the other end of the first long side and the second long side, the coupler comprising: a first coupler mounted adjacent to the first short side, ; And a second coupler mounted on the frame adjacent to the second short side.

According to another aspect of the present invention, there is provided a display device, comprising: a front cover covering one edge of a front surface of the display panel, the front cover comprising: a first part facing a front surface of one edge of the display panel; A second part bent and extended in the first part and covering a side surface of the display panel; A third part bent and extended in the second part, the third part facing the first part; A fourth part bent and extending in the third part in a direction crossing the first part; And a locking protrusion protruding from an outer surface of the fourth part, wherein the front cover is located at a first long side of the frame, and the back cover can be coupled to the locking protrusion.

Effects of the display device according to the present invention will be described as follows.

According to at least one of the embodiments of the present invention, the restriction of the structural design of the display device can be improved.

According to at least one of the embodiments of the present invention, deformation of the back cover during assembly and / or disassembly of the display device can be improved.

According to at least one of the embodiments of the present invention, the efficiency of the assembling process of the display device can be improved.

According to at least one of the embodiments of the present invention, it is possible to improve the defect caused by the screw thread wear caused when the screw of the display device is fastened.

Further scope of applicability of the present invention will become apparent from the following detailed description. It should be understood, however, that the detailed description and specific examples, such as the preferred embodiments of the invention, are given by way of illustration only, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art.

1 to 11 are views showing examples of display devices related to the present invention.
12 to 15 are views illustrating examples of structures of a front cover and a back cover according to an embodiment of the present invention.
16 and 17 are views showing examples of coupling members according to an embodiment of the present invention.
18 to 21 are views showing examples in which a coupling member according to an embodiment of the present invention is mounted on a frame.
22 to 25 are views showing examples of back cover coupling and separation according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals are used to designate identical or similar elements, and redundant description thereof will be omitted. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role. In the following description of the embodiments of the present invention, a detailed description of related arts will be omitted when it is determined that the gist of the embodiments disclosed herein may be blurred. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. , ≪ / RTI > equivalents, and alternatives.

Hereinafter, a liquid crystal display device (LCD) will be described as an example of the display panel, but the display panel applicable to the present invention is not limited to the liquid crystal panel.

1, the display device includes a first long side LS1, a second long side LS2, a first long side LS1, and a second long side LS2 opposite to the first long side LS1. A first short side SS1 adjacent to the two long side LS2 and a second short side SS2 opposite to the first short side SS1.

Here, the first short side SS1 is referred to as a first side area, the second short side SS2 is referred to as a second side area against the first side area, 1 long side area LS1 is referred to as a third side area adjacent to the first side area and the second side area and located between the first side area and the second side area, and the second long side area LS2 may be referred to as a fourth side area adjacent to the first side area and the second side area and located between the first side area and the second side area and facing the third side area .

Although the lengths of the first and second long sides LS1 and LS2 are longer than the lengths of the first and second short sides SS1 and SS2 according to the convenience of the description, LS2 may be substantially equal to the lengths of the first and second short sides SS1 and SS2.

In the following description, a first direction (DR1) is a direction parallel to a long side (LS1, LS2) of the display panel 100 and a second direction (DR2) May be in a direction parallel to the short side (SS1, SS2). The third direction DR3 may be a direction perpendicular to the first direction DR1 and / or the second direction DR2.

The first direction DR1 and the second direction DR2 may collectively be referred to as a horizontal direction. In addition, the third direction DR3 may be referred to as a vertical direction.

The side on which the display device displays an image may be referred to as a forward direction or a front side (front side or front surface). When a display device displays an image, a side on which an image can not be observed can be referred to as a rearward direction or a rear side (rear side or rear surface). When looking at the display from the front or the front, the first long side (LS1) side can be referred to as the upper side or the upper surface. Likewise, the second long side LS2 may be referred to as a lower side or a lower surface. Similarly, the first short side SS1 may be referred to as a right side or the right side, and the second short side SS2 may be referred to as a left side or a left surface .

In addition, the first long side LS1, the second long side LS2, the first short side SS1, and the second short side SS2 may be referred to as the edges of the display device. A corner where the first long side LS1, the second long side LS2, the first short side SS1, and the second short side SS2 meet with each other can be referred to as a corner. For example, a point where the first long side LS1 and the first short side SS1 meet is a first corner C1, a point where the first long side LS1 and the second short side SS2 meet is a second corner C2 A point where the second short side SS2 meets the second long side LS2 is a third corner C3 and a point where the second long side LS2 and the first short side SS1 meet is a fourth corner C4. .

Here, the direction from the first short side SS1 to the second short side SS1 or the direction from the second short side SS2 to the first short side SS1 can be referred to as the left and right direction LR. The direction from the first long side LS1 to the second long side LS2 or the direction from the second long side LS2 to the first long side LS1 may be called the up and down direction UD.

Referring to FIGS. 1 and 2, the back cover 150 may be coupled to the display panel 110. In order for the back cover 150 to be coupled with the display panel 110, the back cover 150 and / or other structures adjacent thereto may include projections, sliding portions, engaging portions, and the like.

Referring to FIG. 3, the front cover 105 may cover at least a part of a front surface and a side surface of the display panel 110. The front cover 105 can be divided into a front cover positioned on the front side of the display panel 110 and a side cover positioned on the side of the display panel 110. The front cover and the side cover may be separately configured. Either the front cover or the side cover may be omitted.

The display panel 110 is provided on the front surface of the display device 100 and can display an image. The display panel 110 can display an image by outputting RGB (red, green or blue) for each pixel by a plurality of pixels at a timing. The display panel 110 may be divided into an active area in which an image is displayed and a de-active area in which an image is not displayed. The display panel 110 may include a front substrate and a rear substrate facing each other with a liquid crystal layer interposed therebetween.

The front substrate may include a plurality of pixels consisting of red (R), green (G) and blue (B) sub-pixels. The front substrate can emit light corresponding to the red, green, or blue color according to a control signal.

The back substrate may include switching elements. The rear substrate can switch the pixel electrodes. For example, the pixel electrode can change the molecular arrangement of the liquid crystal layer according to a control signal applied from the outside. The liquid crystal layer may include liquid crystal molecules. The liquid crystal molecules can change the arrangement in accordance with the voltage difference generated between the pixel electrode and the common electrode. The liquid crystal layer may transmit or block the light provided from the backlight unit 120 to the front substrate.

The backlight unit 120 may be positioned behind the display panel 110. The backlight unit 120 may include light sources. The backlight unit 120 may be coupled to the frame 130 in front of the frame 130.

The backlight unit 120 may be driven by a whole driving method or a partial driving method such as local dimming, impulsive, or the like. The backlight unit 120 may include an optical sheet 125 and an optical assembly 123.

The optical sheet 125 may allow light from the light source to be uniformly transmitted to the display panel 110. The optical sheet 125 may be composed of layers. For example, the optical sheet 125 may include a prism sheet, a diffusion sheet, and the like.

The optical sheet 125 may have a coupling portion 125d. The engaging portion 125d may be coupled to the front cover 105, the frame 130, and / or the back cover 150. [ Alternatively, the engaging portion 125d may be fastened to the structure formed or joined on the front cover 105, the frame 130, and / or the back cover 150. [

The optical assembly 123 may be located behind the optical sheet 125. [ The optical assembly 123 can provide light to the optical sheet 125. The optical assembly 123 may include a light source that generates light.

The frame 130 may serve to support the components of the display device 100. For example, a configuration such as the backlight unit 120 may be coupled to the frame 130. The frame 130 may be made of a metal such as an aluminum alloy.

The back cover 150 may be located on the rear or rear side of the display device 100. The back cover 150 may be coupled to the frame 130 and / or the front cover 105. For example, the back cover 150 may be an injection-molded material of a resion.

Referring to FIG. 4 (a), the backlight unit 120 may be positioned in front of the frame 130. The backlight unit 120 may include an optical assembly 123 and an optical sheet 125. The optical assembly 123 may be positioned between the optical sheet 125 and the frame 130. [ The optical assembly 123 may include a diffuser plate 129.

The optical sheet 125 and / or the diffuser plate 129 may engage the frame 130 at the edge of the frame 130. The optical sheet 125 and / or the diffuser plate 129 can be directly seated on the edge of the frame 130. [ That is, the optical sheet 125 and / or the diffuser plate 129 can be supported by the frame 130. The edge surface of the reflective sheet 125 can be covered by the first guide panel 117. [ For example, the optical sheet 125 and / or the diffuser plate 129 may be positioned between the edge of the frame 130 and the flange 117a of the first guide panel 117.

In front of the optical sheet 125, the display panel 110 can be positioned. The edge of the display panel 110 may be supported by the first guide panel 117. An edge region of the front surface of the display panel 110 may be covered by the front cover 105. [ For example, it is meant that a portion of the display panel 110 may be positioned between the first guide panel 117 and the front cover 105.

Referring to FIG. 4 (b), the optical sheet 125 and / or the diffuser plate 129 may be coupled to the second guide panel 113. That is, the second guide panel 113 may be coupled to the frame 130, and the optical sheet 125 and / or the diffuser plate 129 may be coupled to the second guide panel 113. The second guide panel 113 may be made of a different material from the frame 130. The frame 130 may be configured to enclose the first and second guide panels 117 and 113. The first or second guide panel 117 or 113 may be referred to as a holder or a support member.

Referring to FIG. 4 (c), the front cover 105 may not cover the front surface of the display panel 110. That is, one end of the front cover 105 may be positioned on the side of the display panel 110.

5, the backlight unit 120 may include an optical assembly 123 and an optical sheet 125 positioned on the front side of the optical assembly 123.

The optical assembly 123 may include a substrate 122, at least one optical module 124, a reflective sheet 126, and a diffuser plate 129. The optical assembly 123 may not include some of these configurations.

The substrate 122 may be in the form of a plurality of straps extending in a first direction and spaced a predetermined distance in a second direction orthogonal to the first direction.

On the substrate 122, at least one optical module 124 may be mounted. An electrode pattern for connecting the adapter and the optical module 124 to the substrate 122 may be formed. For example, a carbon nanotube electrode pattern may be formed on the substrate 122 to connect the optical module 124 and the adapter.

The substrate 122 may be composed of at least one of polyethylene terephthalate (PET), glass, polycarbonate (PC), and silicon. The substrate 122 may be a printed circuit board (PCB) on which at least one optical module 124 is mounted.

The optical module 124 may be disposed on the substrate 122 at a predetermined interval in the first direction. The diameter of the optical module 124 may be greater than the width of the substrate 122. That is, the length in the second direction of the substrate 122.

The optical module 124 may be a light emitting diode (LED) chip or a light emitting diode package including at least one light emitting diode chip.

The optical module 124 may be comprised of a colored LED or a white LED that emits at least one of the colors such as red, blue, green, and the like. The colored LED may include at least one of a red LED, a blue LED, and a green LED.

On the front side of the substrate 122, a reflective sheet 126 may be positioned. The reflective sheet 126 may be located on an area of the substrate 122 other than the area where the optical module 124 is formed. The reflective sheet 126 may have a plurality of through holes 235.

The reflective sheet 126 can reflect the light emitted from the optical module 124 to the front side. Further, the reflection sheet 126 can reflect the light reflected from the diffusion plate 129 again.

The reflective sheet 126 may comprise at least one of a metal and a metal oxide which are reflective materials. For example, the reflective sheet 126 may include a metal and / or a metal oxide having a high reflectance such as at least one of aluminum (Al), silver (Ag), gold (Au), and titanium dioxide (TiO2) .

The supporter 200 may be coupled to the reflective sheet 126. The supporter 200 may have a shape protruding forward from the reflective sheet 126. For example, supporter 200 may be positioned between reflective sheet 126 and diffuser plate 129. Or the supporter 200 may be positioned between the reflective sheet 126 and the optical sheet 125. [ The distance between the reflective sheet 126 and the diffuser plate 129 can be maintained or the distance between the reflective sheet 126 and the optical sheet 125 can be maintained by the supporter 200. [

Resins can be deposited on the optical module 124 and / or the reflective sheet 126. The resin may act to diffuse the light emitted from the optical module 124.

The diffuser plate 129 may diffuse the light emitted from the optical module 124. The plurality of optical modules 124 may be arranged as a point light source. The light provided forward from the plurality of optical modules 124 may have different brightness depending on the distance from the optical module 124. The diffusion plate 129 can uniformize the illumination profile according to the arrangement of the plurality of optical modules 124.

The optical sheet 125 can be positioned in front of the diffuser plate 129. [ The rear surface of the optical sheet 125 is in close contact with the diffusion plate 129 and the front surface of the optical sheet 125 can be in close contact with the rear surface of the display panel 110 (see FIG. 1).

The optical sheet 125 may include at least one sheet. In detail, the optical sheet 125 may include one or more prism sheets and / or one or more diffusion sheets. The plurality of sheets included in the optical sheet 125 may be in an adhered and / or adhered state.

The optical sheet 125 may be composed of a plurality of sheets having different functions. For example, the optical sheet 125 may include first to third optical sheets 125a to 125c. For example, the first optical sheet 125a may be a diffusion sheet, and the second and third optical sheets 125b and 125c may be a prism sheet. The number and / or position of the diffusion sheet and prism sheet may be varied.

The diffusion sheet can prevent the light coming from the diffusion plate 129 from being partially concentrated, thereby making the distribution of light more uniform. The prism sheet can collect light from the diffusion sheet to provide light to the display panel 110.

The engaging portion 125d may be formed on at least one of the sides or edges of the optical sheet 125. [ The engaging portion 125d may be formed on at least one of the first to third optical sheets 125a to 125c.

The engaging portion 125d may be formed at the long side of the optical sheet 125. [ The engaging portion 125d formed on the side of the first long side and the engaging portion 125d formed on the side of the second long side may be asymmetric. For example, the position and / or number of the engaging portion 125d of the first long side and the engaging portion 125d of the second long side may be different from each other.

Referring to FIG. 6A, the optical module 124 may be disposed on the front surface of the substrate 122. The plurality of optical modules 124 may be spaced apart. A plurality of optical modules 124 may provide light (or light) forward.

A reflective sheet 126 may be disposed on the front surface of the substrate 122. [ The optical module 124 may be disposed between the reflective sheets 126.

The diffusion plate 129 may be positioned in front of the optical module 124. [ The diffuser plate 129 may be positioned in front of the reflective sheet 126. The diffuser plate 129 may be spaced apart from the optical module 124. The diffusion plate 129 may be disposed apart from the reflection sheet 126. [

The air layer AL may be formed between the diffusion plate 129 and the optical module 124. The air layer AL may be formed between the diffusion plate 129 and the reflective sheet 126. The air layer AL may comprise a stable gas. For example, the air layer AL may comprise a gas which is the same as or similar to the composition of the air. For example, the air layer AL may comprise nitrogen and / or oxygen.

The optical sheet 125 may be disposed on the entire surface of the diffusion plate 129. [ The optical sheet 125 may include first to third optical sheets 125a, 125b, and 125c. The first optical sheet 125a may be positioned on the front surface of the diffuser plate 129. The second optical sheet 125b may be positioned on the front surface of the first optical sheet 125a. And the third optical sheet 125c may be positioned on the front surface of the third optical sheet 125b.

Referring to FIG. 6B, the optical sheet 125 may include a first optical sheet 125a and a second optical sheet 125b. The first optical sheet 125a may be a diffusion sheet. The second optical sheet 125b may be a prism sheet.

Referring to FIG. 6 (c), the optical sheet 125 may be positioned in front of the optical module 124. The optical sheet 125 may be positioned in front of the reflective sheet 126. The optical sheet 125 may include a first optical sheet 125a and a second optical sheet 125b. The first optical sheet 125a may be a diffusion sheet. The second optical sheet 125b may be a prism sheet.

The air layer AL may be formed between the optical sheet 125 and the reflective sheet 126. The air layer AL may be formed between the optical sheet 125 and the optical module 124.

Referring to FIG. 7, the reflective sheet 126 may be coupled to the frame 130. For example, the reflective sheet 126 may be coupled to a seating portion 132 formed on the inside of the frame 130. The reflective sheet 126 may have a three-dimensional shape corresponding to the shape of the seating portion 132. [

The reflective sheet 126 may include a transverse engagement portion HH and / or a longitudinal engagement portion VH. The transverse engagement portion HH and / or the longitudinal engagement portion VH may have the shape of an opening formed along the sides of the reflection sheet 126. [

The transverse engagement portion HH may be an opening formed along two opposing sides of the reflection sheet 126. [ The transverse engagement portion HH may be an opening formed along the long side of the reflection sheet 126, for example.

The longitudinal coupling portion (VH) may be an opening formed along two opposing sides of the reflection sheet (126). The longitudinal coupling portion VH may be an opening formed along the short side of the reflection sheet 126, for example.

The frame 130 may include a lateral projection 130H and a vertical projection 130V. The transverse protrusion 130H or the vertical protrusion 130V may be formed along two opposite sides of the frame 130. [ For example, the transverse protrusion 130H may be formed along the long side of the frame 130. For example, the vertical projection 130V may be formed along the short side of the frame 130. [

The transverse protrusion 130H or the vertical protrusion 130V can protrude forward. The transverse protrusion 130H or the vertical protrusion 130V can engage with the reflective sheet 126. [ For example, the transverse protrusion 130H can engage with the transverse engagement portion HH of the reflective sheet 126. [ For example, the vertical projection 130V can engage with the longitudinal engagement portion VH of the reflective sheet 126. [

The guide panel GP may include an elongated bar shape. The guide panel GP may be disposed on the front surface of the reflective sheet 126. [ The guide panel GP may be disposed along the edge of the reflective sheet 126. [ The guide panel GP can be formed by a combination of elongated rods.

The guide panel GP may include plastic. The guide panel GP may be formed by injection. The guide panel GP may include a metal. The guide panel GP can be formed by press working.

The substrate 122 may be positioned between the frame 130 and the reflective sheet 126. The optical module 124 may be disposed on the front surface of the substrate 122. The optical module 124 may be located in the lens hole 235 formed in the reflective sheet 126.

The plurality of substrates 122 may be arranged in the horizontal direction and / or the vertical direction. The substrate 122 may be electrically connected to the signal line 121. The substrate 122 may be provided with electrical and / or electrical signals from the signal line 121.

The lens hole 125 formed in the reflective sheet 126 may be formed corresponding to the light source 203 disposed on the substrate 122. [ The light source 203 may be located in the lens hole 125. A part of the light source 203 and the substrate 122 may be exposed forward through the lens hole 125. [ The lens 124b may be positioned in front of the light source 203. [ The lens 124b may be coupled to a portion of the substrate 122 exposed frontward through the lens hole 125. [

The reflective sheet 126 can form the supporter hole 205. The supporter 200 can be coupled to the supporter hole 205. The supporter 200 can support the diffuser plate 129 (see FIG. 5) and / or the optical sheet 125 (see FIG. 5) located in front of the reflective sheet 126. By the supporter 200, the reflective sheet 126 can be separated from the diffuser plate 129 (see FIG. 5) and / or the optical sheet 125 (see FIG. 5).

The reflective sheet 126 can form a plurality of fixing pin holes 206. The fixing pin 202 can be coupled to the fixing pin hole 206. The fixing pin 202 may be coupled to the frame hole 204 formed in the frame 130. The fixing pin 202 can fasten the reflecting sheet 126 to the frame 130.

8, the optical layer 123 may include a substrate 122, a reflective sheet 126, an optical assembly 124, and a light guide plate 128.

The optical layer 123 may be positioned in front of the frame 130. For example, the optical layer 123 may be positioned between the frame 130 and the optical sheet 125. The optical layer 123 may be supported by the frame 130.

The substrate 122 may be located inside the frame 130. The substrate 122 may be coupled to the first guide panel 117. The substrate 122 may be directly coupled to the first guide panel 117. For example, the substrate 122 may be configured to be coupled to at least one of the first guide panel 117, the frame 130, and the top case 105.

The substrate 124 may be positioned adjacent the side of the reflective sheet 126 and / or the light guide plate 128. That is, it means that the front surface of the substrate 124 can be directed to the optical layer 123. The substrate 124 and the reflective sheet 126 and / or the light guide plate 128 may be spaced apart from each other by a predetermined distance.

9, the backlight unit 120 includes an optical layer 123 including a substrate 122, at least one optical assembly 124, a reflective sheet 126, and a light guide plate 128, and an optical layer 123 And an optical sheet 125 positioned on the front side of the optical sheet 125. [

The substrate 122 may be located on one side of the optical layer 123. The substrate 122 may extend in the longitudinal direction of the optical layer 123. The optical assembly 124 may be disposed on the substrate 122 with predetermined spacing. Most of the light emitted from the optical assembly 124 can be transmitted into the light guide plate 128.

The reflective sheet 126 may be positioned behind the light guide plate 128. The reflective sheet 126 may be emitted from the optical assembly 124 and reflected by the light guide plate 128 to reflect light toward the reflective sheet 126 toward the front of the light guide plate 128.

The reflective sheet 126 may comprise at least one of a metal and a metal oxide which are reflective materials. For example, the reflective sheet 126 may include a metal and / or a metal oxide having a high reflectance such as at least one of aluminum (Al), silver (Ag), gold (Au), and titanium dioxide (TiO2) can do.

The reflective sheet 126 may be formed by depositing and / or coating a metal or metal oxide. The reflective sheet 126 may be printed with an ink containing a metal material. The reflection sheet 126 may have a vapor deposition layer formed by a vacuum vapor deposition method such as a thermal vapor deposition method, an evaporation method, or a sputtering method. The reflection sheet 126 may be formed with a coating layer and / or a printing layer using a printing method, a gravure coating method, or a silk screen method.

The optical sheet 125 may include one or more prism sheets and / or one or more diffusion sheets. The plurality of sheets included in the optical sheet 125 may be in an adhered and / or adhered state.

The optical sheet 125 may be composed of a plurality of sheets having different functions. For example, the optical sheet 125 may include first to third optical sheets 125a to 125c. The first optical sheet 125a may be a diffusion sheet, and the second and third optical sheets 125b and 125c may be a prism sheet. The number and / or position of the diffusion sheet and prism sheet may be varied.

The diffusion sheet can prevent the light coming from the light guide plate 128 from being partially concentrated, thereby making the brightness of the light more uniform. The prism sheet can condense the light coming from the diffusion sheet and allow light to enter the display panel 110 vertically.

The engaging portion 125d may be formed on at least one of the corners of the optical sheet 125. [ The engaging portion 125d may be formed on at least one of the first to third optical sheets 125a to 125c.

The engaging portion 125d may be formed at a long side edge of the optical sheet 125. [ The engaging portion 125d formed on the side of the first long side and the engaging portion 125d formed on the side of the second long side may be asymmetric. For example, the position and / or number of the engaging portion 125d of the first long side and the engaging portion 125d of the second long side may be different from each other.

Referring to FIG. 10, the optical assembly 124 may emit light from the lower side 110c to the upper side 110d of the display panel 110. FIG. That is, the light emitted from the optical assembly 124 is diffused from the lower side 110c to the upper side 110d of the display panel 110 by the light guide plate 128 to provide light to the entire display panel 110 It can be done.

Referring to FIG. 11 (a), the optical assembly 124 may be located on the right side 110a of the display panel 110. FIG. However, the present invention is not limited thereto, and the optical assembly 124 may be located on the left side 110b of the display panel 110. [

Referring to FIG. 11 (b), the optical assembly 124 may be positioned on the lower side 110c and the upper side 110d of the display panel 110. 9 (c), the optical assembly 124 may be positioned on the right side 110a and the left side 110b of the display panel 110. In addition, as shown in FIG.

Referring to FIG. 12, the front cover 500 includes a first part 510, a second part 520, a third part 530, a fourth part 540, and a fifth part 550 . The first part 510 may be a long elongated plate. The second part 520 may be a plate extended along the longitudinal direction of the first part 510. The second part 520 may bend and extend in the first part 510. The second part 520 may have an inclination that is inclined with respect to the vertical direction of the first part 510 or the first part 510.

The third part 530 may be a plate elongated along the longitudinal direction of the second part 520. The third part 530 may be bent and extended in the second part 520. The third part 530 may extend parallel to the longitudinal direction of the first part 510 or may be opposite or opposite to the first part 510. The fourth part 540 may be a plate elongated along the longitudinal direction of the third part 530. The fourth part 540 may be bent and extended in the third part 530. The fourth part 540 may extend in parallel with the vertical direction of the first part 510 or may intersect the first part 510.

The fifth part 550 may bend and extend in the first part 510 and may face the second part 520. The first part 510 to the fifth part 550 may be formed of one body.

Referring to FIG. 13, the front cover 500 may include a locking projection 560. The locking protrusion 560 may be formed on the third part 530 and / or the fourth part 540. The locking protrusion 560 may be formed by pressing the front cover 500. The bending portion 570 may be formed while the locking protrusion 560 is formed. The bent portion 570 may be formed in the third part 530 and / or the fourth part 540. [ For example, the front cover 500 may be formed of a steel plate, and the steel plate may be pressed to form the locking protrusion 560 and the bent portion 570.

Referring to FIG. 14, the back cover 600 may include a back plate 610, a side wall 620, and an engagement portion 630. The back plate 610 may be a flat plate. The backplate 610 may cover or face the backside of the frame 130 as described above or below. The back plate 610 may face or face the first part 510 of the front cover 500. The side wall 620 may extend from the back plate 610 while being bent. The side wall 620 may cover the fourth part 540 of the back cover 600 or may face or face the fourth part 540. The latching portion 630 may extend from the side wall 620 while being bent. The latching part 630 may be positioned between the third part 530 of the front cover 500 and the latching protrusion 560 and may be located adjacent to the bent part 570. The latching part 630 can be caught by the latching protrusion 560 of the front cover 500 so that the back cover 600 can be engaged with the front cover 500. [

Referring to FIG. 15, a reflective sheet 126, a light guide plate 128, an optical sheet 125, and the like may be positioned in front of the frame 130. Can be coupled or mounted to the frame 130 in front of the frame 130 of the guide panel 117. The guide panel 117 may have a horizontal portion 117H and a vertical portion 117V. The horizontal portion 117H can face the rear surface of the display panel 110 and can support the display panel 110. [ The display panel 110 can be fixed to the horizontal portion 117H of the guide panel 117 by the adhesive member AD. The vertical portion 117V may be connected to the horizontal portion 117H. The outer surface of the vertical portion 117V may be in contact with or in contact with the fourth part 540 of the front cover 500. Fig. 15 may be the upper side or the upper side of the display device.

16 and 17, the coupler 700 may have a long elongated bar shape. Coupler 700 may include a horizontal part 710, and a vertical part 720. The horizontal part 710 and / or the vertical part 720 may be elongated along the longitudinal direction of the coupler 700. The horizontal part 710 and the vertical part 720 may be entirely a or b shaped. The horizontal part 710 and / or the vertical part 720 may be referred to as bodies 710 and 720.

The horizontal part 710 may include an opening 760, and an insert 750. The insertion portion 750 may be a plurality of insertion portions. The vertical part 720 may include a protrusion 730. The protrusion 730 may be a plurality of protrusions. The projection 730 may be in the form of a triangular pyramid or a quadrangular pyramid or a pyramid.

The first protrusion 731 may be positioned or formed on the vertical part 720 adjacent to one end of the coupler 700. [ The second protrusion 732 may be positioned or formed on the vertical part 720 at a distance from the first protrusion 731.

The first insertion portion 751 and / or the second insertion portion 752 may be positioned adjacent to the first projection 731. [ The first protrusion 731 may be positioned between the first insertion portion 751 and the second insertion portion 752. The third insertion portion 753 and / or the fourth insertion portion 754 may be positioned adjacent to the second projection 732. The second projection 732 may be positioned between the third insertion portion 753 and the fourth insertion portion 754. The first opening 761 may be located between the first insertion portion 751 and the second insertion portion 752 and the second opening 762 may be located adjacent to the third insertion portion 753, And the third opening 763 may be located between the third insertion portion 753 and the fourth insertion portion 754. The third insertion portion 753 may be located between the third insertion portion 752 and the third insertion portion 753,

The coupler 700 may include a rib 740. The ribs 740 may be a plurality of ribs. The rib 740 may be formed in the horizontal part 710 and the vertical part 720 of the coupler 700. That is, the ribs 740 can be formed from the horizontal part 710 to the vertical part 720. The ribs 740 may provide rigidity to the coupler 700 or may prevent breakage of the inserts 750. The first rib 741 may extend from the first insert 751 through the horizontal part 710 to the vertical part 720. The second rib 742 may extend from the second insert 752 through the horizontal part 710 to the vertical part 720. The third rib 743 may extend from the third insert 753 through the horizontal part 710 to the vertical part 720. The fourth rib 744 may extend from the fourth insert 754 through the horizontal part 710 to the vertical part 720.

Referring to FIG. 18, the frame 130 may have a slot 130SL. The slot 130SL may be formed on the rear surface of the frame 130. The slot 130SL may be formed while the frame 130 is being pressed. The slot 130SL may be a plurality of slots. The first slot 130SL1 may correspond to the first insertion portion 751 of the coupler 700 and the second slot 130SL2 may correspond to the second insertion portion 752 of the coupler 700, The third slot 130SL3 may correspond to the third insertion portion 753 of the coupler 700 and the fourth slot 130SL4 may correspond to the fourth insertion portion 754 of the coupler 700. [ 18 may be the left or right side of the display device, or it may be the right side or the right side.

Referring to FIG. 19, the coupler 700 may be mounted on the rear side of the frame 130. The coupler 700 may be located at the edge of the frame 130. The horizontal part 710 of the coupler 700 may be in contact with or in contact with the rear surface of the frame 130 and the vertical part 720 of the coupler 700 may face or contact the side surface of the frame 130. The vertical part 720 of the coupler 700 may face or contact the fourth part 540 of the front cover 500. The inserts 750 may be located adjacent the slots 130SL.

Referring to FIG. 20, the coupler 700 may slide on the rear surface and / or the side surface of the frame 130. The inserts 750 may fit into the slots. The inserts 750 can be inserted and fixed in the slots and the coupler 700 can be fixed on the back and / or sides of the frame 130. [ With the coupler 700 fixed to the frame 130, the inserts 750 are supported by the slots 130SL so that the projections 730 can be fixed to the sides of the frame 130, The support rigidity of the projections 730 can be secured by the projections 740. [

Referring to FIG. 21, the coupler 700 may include a tap T. Referring to FIG. The tab T may be formed at one end of the coupler 700. The tab T may be formed by folding one end of the vertical part 720 of the coupler 700. [ The hole H may be formed in the vertical part 720 of the coupler 700 adjacent the tab T. [ The fastening member SC can be fixed to the frame 130 through the hole. Accordingly, the coupler 700 can keep the insertion portions 750 fitted in the slots 130SL (see FIG. 20).

22 and 25, the back cover 600 can be assembled forward from the rear of the frame 130, and the latching portion 630 of the back cover 600 can be fitted to the protrusions 730 have. Accordingly, the frame 130 and the back cover 600 can be easily joined together, and the assembling convenience or productivity can be improved.

The couplers 700S1 and 700S2 may be plural. The first coupler 700S1 may be located adjacent to the first short side SS1 of the frame 130. [ The second coupler 700S2 may be located adjacent to the second short side SS2 of the frame 130. [ At the first long side LS1 of the frame 130, the front cover 500 and the back cover 600 can be engaged.

23 to 25, when the coupling member f fixed to the frame 130 is passed through the back plate 610 of the back cover 600 and the back cover 600 is tilted, the coupler 700 Can be exposed. When the coupler 700 is exposed, the fastening member SC fixed to the frame 130 can be removed through the hole H of the coupler 700. When an external force is applied to the tab T of the coupler 700 and the coupler 700 is pulled in the direction of the arrow, the coupler 700 can move. At this time, the inserts 750, described with reference to FIGS. 19 and 20, may leave the slots 130SL. The back cover 600 can be separated from the frame 130 while the coupler 700 is separated from the rear surface and / or the side surface of the frame 130. The back cover 600 separated from the left and right sides can be separated from the locking projection 560 of the front cover 500 while sliding on the upper side.

Certain embodiments of the invention described above or other embodiments are not mutually exclusive or distinct from each other. Any or all of the embodiments of the invention described above may be combined or combined with each other in configuration or function.

The foregoing detailed description should not be construed in all aspects as limiting and should be considered illustrative. The scope of the present invention should be determined by rational interpretation of the appended claims, and all changes within the scope of equivalents of the present invention are included in the scope of the present invention.

Claims (10)

A display panel;
A frame positioned behind the display panel;
A back cover positioned behind the frame; And,
A coupler mounted to the frame and coupled to the back cover,
The frame comprising:
And a slot formed on a rear surface or a side surface of the frame,
The coupler comprising:
A body extending along one side of the frame;
A protrusion protruding from one surface of the body; And,
And an insert extending from one side of the body and fitted in the slot,
Wherein the back cover is engaged with the projection of the coupler.
The method according to claim 1,
The body of the coupler comprises:
A horizontal part positioned on a rear surface of the frame; And,
A vertical part connected to the horizontal part and located on a side of the frame,
The slot of the frame,
A rear surface of the frame adjacent to the horizontal part of the coupler,
The insertion portion
And extending from a horizontal part of the coupler and being inserted into a slot of the frame.
3. The method of claim 2,
The projection
And a coupling portion formed in the vertical portion of the coupler.
The method of claim 3,
The back cover includes:
A back plate facing a rear surface of the frame;
A sidewall extending from the backplate and covering a side of the frame; And,
And a latching portion extending from the sidewall toward the side of the frame and hooked to the projection of the coupler.
The method according to claim 1,
The coupler comprising:
A tab formed at one end of the body; And,
And a hole formed in the body adjacent to the tab.
The method according to claim 1,
Further comprising a front cover covering one edge of a front surface of the display panel,
The front cover includes:
A first part facing a front surface of one edge of the display panel;
A second part bent and extended in the first part and covering a side surface of the display panel;
A third part bent and extended in the second part, the third part facing the first part;
A fourth part bent and extending in the third part in a direction crossing the first part; And,
And a locking protrusion protruding from the outer surface of the fourth part,
The back cover includes:
And is coupled to the locking projection.
3. The method of claim 2,
The coupler comprising:
And a rib located adjacent to the insert and extending from the horizontal part to the vertical part.
8. The method of claim 7,
Wherein the projection is located adjacent to the insertion portion.
The method according to claim 1,
The frame comprising:
First branch;
A second long side facing the first long side;
A first short side connecting one end of the first long side and the short side of the second long side; And,
And a second short side opposing the first short side and connecting the other end of the first long side and the second long side,
The coupler comprising:
A first coupler mounted to the frame adjacent the first short side; And,
And a second coupler mounted on the frame adjacent the second short side.
10. The method of claim 9,
Further comprising a front cover covering one edge of a front surface of the display panel,
The front cover includes:
A first part facing a front surface of one edge of the display panel;
A second part bent and extended in the first part and covering a side surface of the display panel;
A third part bent and extended in the second part, the third part facing the first part;
A fourth part bent and extending in the third part in a direction crossing the first part; And,
And a locking protrusion protruding from the outer surface of the fourth part,
The front cover
A second frame located at a first long side of the frame,
The back cover includes:
And is coupled to the locking projection.

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