KR20170017375A - Display device - Google Patents

Display device Download PDF

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Publication number
KR20170017375A
KR20170017375A KR1020150111191A KR20150111191A KR20170017375A KR 20170017375 A KR20170017375 A KR 20170017375A KR 1020150111191 A KR1020150111191 A KR 1020150111191A KR 20150111191 A KR20150111191 A KR 20150111191A KR 20170017375 A KR20170017375 A KR 20170017375A
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KR
South Korea
Prior art keywords
cover
front cover
display device
display panel
opening
Prior art date
Application number
KR1020150111191A
Other languages
Korean (ko)
Inventor
양성모
유병천
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020150111191A priority Critical patent/KR20170017375A/en
Publication of KR20170017375A publication Critical patent/KR20170017375A/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
    • G02F2001/133314—
    • G02F2001/13332—
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/46—Fixing elements
    • G02F2201/465—Snap -fit

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

A display device is disclosed. A display device according to the present invention includes: a display module; A backlight unit positioned behind the display module; A back cover positioned behind the backlight unit; And a cover covering at least a part of a side surface and a front surface of the display module, wherein the front cover includes a first cover positioned at one side of the display module and a second cover positioned at a side of the display module, Wherein one end of the first cover and one end of the second cover meet each other and the first cover has a coupling protrusion extending from the one end of the first cover to the one end of the second cover, And the second cover has a coupling groove into which the coupling projection is fitted.

Description

Display device {DISPLAY DEVICE}

The present invention relates to a display device. And more particularly, to a display device capable of reducing a step or a gap of a front case.

(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. 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.

The display device is configured to incorporate an LCD liquid crystal panel or the like. The exterior of the display device can be covered with a cover.

The present invention is directed to solving the above-mentioned problems and other problems. Another object of the present invention is to reduce a step that may occur in the cover engagement.

Another object may be for the rigid coupling of the cover.

According to an aspect of the present invention, there is provided a display panel comprising: a display panel; A backlight unit provided behind the display panel; A frame provided behind the backlight unit; A back cover provided behind the frame; And a cover covering at least a part of a front surface of the display panel, wherein the cover includes a first cover positioned at one side of the display panel and a second cover positioned at a side of the display panel, One end of the first cover and one end of the second cover meet each other and the first cover has a coupling protrusion extending from the one end of the first cover to the one end of the second cover toward the second cover And the second cover has a coupling groove into which the coupling projection is fitted.

According to another aspect of the present invention, the first cover may be formed of a metal material, and the second cover may be formed of a synthetic resin.

According to another aspect of the present invention, the engaging projection includes a bent portion that is extended from the first cover and is pressed to form a step with the front surface of the first cover, and the second cover includes: And a support portion which faces the rear surface and to which the bent portion is hooked.

According to another aspect of the present invention, the second cover may have an opening through which one end of the second cover is opened, and the first cover may be engaged with the second cover while covering the opening.

According to another aspect of the present invention, the first cover includes a side cover positioned on a side surface of the display device, and a front cover disposed on at least a part of a front surface of the display device, A side cover positioned at a side of the display device, and a front cover positioned at least a part of a front surface of the display device.

According to another aspect of the present invention, a portion of the front cover of the second cover is open; And a support portion formed inside the side cover of the second cover and below the opening portion and lower than the height of the front cover of the second cover, And a bent portion that is extended from one side of the first cover and is pressed to form a step with the front cover of the first cover, the first cover covers the opening and is coupled with the second cover, The bent portion is hooked to the support portion, and the bent portion can be fitted in the coupling groove.

According to another aspect of the present invention, the support portion includes an inclined portion on the side of the engagement groove, and the inclined portion is formed to gradually approach the front cover of the first cover toward the side cover side of the second cover .

According to another aspect of the present invention, the first cover or the second cover can be fixed to the side of the display device by the fastening member.

According to at least one embodiment of the present invention, the step that may occur in the cover engagement can be reduced.

Also, according to at least one embodiment of the present invention, it is possible to provide a rigid coupling of the cover.

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 and 2 are views showing a display device according to an embodiment of the present invention.
3 to 5 are views showing a configuration of a display device according to an embodiment of the present invention.
6 is a view showing an example of a cover of a display device according to an embodiment of the present invention.
7 is a view showing an example of a cover of a display device according to an embodiment of the present invention.
8 is a view showing an example of a cover of a display device according to an embodiment of the present invention.
FIG. 9 is a view illustrating an example of a process of attaching a cover of a display device according to an embodiment of the present invention.
10 is a view showing an example of an engaging section of a cover of a display device 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. However, the display panel applicable to the present invention is not limited to the liquid crystal panel, but may be a plasma display panel, P), a field emission display (FED), and an organic light emitting display (OLED).

In the following description, the display panel 110 includes a first long side (LS1), a second long side (LS2), a first long side (LS1) and a second long side And may include a first short side SS1 adjacent to the long side LS2 and a second short side SS2 opposing 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 against 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 110 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.

1 and 2 show a display device according to an embodiment of the present invention.

As shown in these figures, the display device 100 according to the present invention may include a display panel 110 and a back cover 150 behind the display panel 110.

The back cover 150 may be connected to the display panel 110 in a sliding manner in a direction from the first long side LS1 to the second long side LS2, that is, in the second direction DR2. In other words, the back cover 150 is attached to the first short side SS1 of the display panel 110, the second short side SS2 against the first short side SS1 and the first short side SS1, And can be fitted in a sliding manner from the first long side LS1 located between the first short side SS1 and the second short side SS2.

In order to connect the back cover 150 to the display panel 110 in a sliding manner, the back cover 150 and / or other structures adjacent thereto may include projections, sliding portions, engaging portions, and the like.

3 to 7 are views showing the configuration of a display device related to the present invention.

3, the display device 100 according to the present invention may include a front cover 105, a display panel 110, a backlight unit 120, a frame 130, and a back cover 150 have.

The front cover 105 may cover at least a part of the front surface and the side surface of the display panel 110. The front cover 105 may be in the form of a rectangular frame having a hollow center. Since the center of the front cover 105 is empty, the image of the display panel 110 can be displayed externally.

The front cover 105 can be divided into a front cover and a side cover. That is, it 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. For example, for the purpose of aesthetic design or the like, it means that there is no front cover, but only a side cover exists.

The display panel 110 is provided on the front surface of the display device 100 and images can be displayed. The display panel 110 divides the image into a plurality of pixels, and outputs the image by adjusting the color, brightness, and saturation of each pixel. The display panel 110 may be divided into an active area in which an image is displayed and an inactive 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 made up of red (R), green (G), and blue (B) sub-pixels. The front substrate can generate an image corresponding to the color of red, green, or blue 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 a plurality of 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 can transmit light provided from the backlight unit 120 to the front substrate.

The backlight unit 120 may be located on the rear side of the display panel 110. [ The backlight unit 120 may include a plurality of light sources. The light source of the backlight unit 120 may be arranged in a direct-under type or in an edge type. In the case of the edge type backlight unit 120, a light guide panel may be further included.

The backlight unit 120 may be coupled to the front side of the frame 130. For example, it means that a plurality of light sources can be disposed on the front side of the frame 130, and in such a case, can be referred to as a direct-type backlight unit.

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 layer 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 a plurality of layers. For example, at least one prism sheet and / or at least one diffusion sheet.

The optical sheet 125 may have at least one engagement portion 125d. The engaging portion 125d can be coupled to the front cover 105 and / or the back cover 150. [ That is, directly to the front cover 105 and / or the back cover 150. [ Alternatively, the engagement portion 125d may be coupled to the structure coupled to the front cover 105 and / or the back cover 150. [ That is, to the front cover 105 and / or the back cover 150.

The optical layer 123 may include a light source or the like. The specific structure of the optical layer 123 will be described in corresponding portions.

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 surface of the display device 100. [ The back cover 150 can protect the internal structure from the outside. At least a portion of the back cover 150 may be coupled to the frame 130 and / or the front cover 105. The back cover 150 may be an injection-molded resin material.

4 is a diagram showing the configuration of the optical sheet 125 and the like.

As shown in Fig. 4 (a), the optical sheet 125 can be positioned above the frame 130. Fig. The optical sheet 125 can engage with the frame 130 at the edge of the frame 130. The optical sheet 125 can be directly seated on the edge of the frame 130. [ That is, the optical sheet 125 can be supported by the frame 130. The upper surface of the edge of the reflective sheet 125 may be surrounded by the first guide panel 117. For example, the optical sheet 125 may be positioned between the edge of the frame 130 and the flange 117a of the first guide panel 117.

The display panel 110 may be positioned on the front side of the optical sheet 125. The edge of the display panel 110 may be coupled to the first guide panel 117. That is, the display panel 110 can be supported by the first guide panel 117.

An edge region of the front surface of the display panel 110 can be surrounded by the front cover 105. For example, it means that the display panel 110 can be positioned between the first guide panel 117 and the front cover 105.

As shown in FIG. 4 (b), the display device according to an embodiment of the present invention may further include a first guide panel 100 and a second guide panel 113. The optical sheet 125 can be coupled to the second guide panel 113. That is, it means that the second guide panel 113 is coupled to the frame 130 and the optical sheet 125 is 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.

4C, the front cover 105 may not cover the front surface of the display panel 110 in the display apparatus 100 according to an embodiment of the present invention. That is, it means that one end of the front cover 105 can be positioned on the side of the display panel 110.

5, the backlight unit 120 includes an optical layer 123 including a substrate 122, at least one light assembly 124, a reflective sheet 126, and a diffuser plate 129, And an optical sheet 125 positioned on the front side of the optical layer 123. [

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 assembly 124 may be mounted. The substrate 122 may be formed with an electrode pattern for connecting the adapter and the optical assembly 124. For example, a carbon nanotube (CNT) electrode pattern may be formed on the substrate 122 to connect the optical assembly 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 assembly 124 is mounted.

On the substrate 122, the optical assembly 124 may be disposed with a predetermined gap in the first direction. The diameter of the optical assembly 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 assembly 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 assembly 124 may be comprised of a colored LED or white LED emitting at least one color from among 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.

The light source included in the optical assembly 124 may be a COB (Chip On Board) type. The COB type may be a form in which the LED chip, which is a light source, is directly coupled to the substrate 122. Thus, the process can be simplified. In addition, the resistance can be lowered, thereby reducing energy lost by heat. That is, it means that the power efficiency of the optical assembly 124 can be increased. The COB type can provide a brighter light. The COB type can be realized thinner and lighter than the conventional one.

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 other than the area where the optical assembly 124 of the substrate 122 is formed. That is, the reflective sheet 126 may have a plurality of through holes 235 formed therein.

The reflective sheet 126 may reflect light emitted from the optical assembly 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 include at least one of a metal and a metal oxide which are reflective materials. For example, the reflective sheet 126, an aluminum (Al), silver (Ag), a metal and / or metal oxide having high reflectance, such as at least any one of gold (Au), and titanium dioxide (TiO 2) .

The reflective sheet 126 may be formed by depositing and / or coating a metal or metal oxide on the substrate 122. 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. A coating layer and / or a printing layer using a printing method, a gravure coating method, or a silk screen method may be formed on the reflective sheet 126.

An air gap may be positioned between the reflective sheet 126 and the diffuser plate 129. The air gap can serve as a buffer through which light emitted from the optical assembly 124 can spread widely. On the other hand, the resin can be deposited on the optical assembly 124 and / or the reflective sheet 126. The resin may serve to diffuse the light emitted from the optical assembly 124.

The diffuser plate 129 can diffuse the light emitted from the optical assembly 124 upward.

The optical sheet 125 may be positioned on the front side 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 is in close contact with the rear surface of the display panel 110.

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. The first optical sheet 125a has the function of a diffusing sheet and the second and third optical sheets 125b and 125c can function as a prism sheet. The number and / or position of the diffusion sheet and prism sheet may be varied. For example, a first optical sheet 125a, which is a diffusion sheet, and a second optical sheet 125b, which is a prism sheet.

The diffusion sheet can prevent the light coming from the diffuser plate from being partially densely packed so that the luminance of the light can be 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 the 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.

6 is a view showing an example of a cover of a display device according to an embodiment of the present invention. Fig. 6 shows a first front cover 200 and a second front cover 300. Fig. As described above, the front cover 105 may be in the form of a first and a second front cover 200, 300. That is, the first and second front covers 200 and 300 corresponding to the long sides LS1 and LS2 and the short sides SS1 and SS2 of the display device 100 are combined to constitute the front cover 105 .

The first front cover 200 is attached to one of the first long side LS1, the second long side LS2, the first short side SS1 or the second short side SS2 described with reference to Figs. 1 and 2 Can be located. The second front cover 300 may also be attached to any one of the first long side LS1, the second long side LS2, the first short side SS1, or the second short side SS2 described with reference to FIGS. Can be located. For example, when the first front cover 200 is located on the first long side LS1, the second front cover 300 may be located on the first short side SS1. Conversely, when the first front cover 200 is positioned at the first short side SS1, the second front cover 300 may be located at the first long side LS1. That is, the first front cover 200 and the second front cover 300 can meet with each other at the corners. The first front cover 200 and the second front cover 300 are extended along the first long side LS1, the second long side LS2, the first short side SS1 or the second short side SS2 of the display device. .

The first front cover 200 may cover a front surface and / or a side surface of the display device. The first front cover 200 may include a front cover 220 positioned at a part of a front surface of the display device and a side cover 260 positioned at a side of the display device. The front cover 220 and the side cover 260 may be integrally formed. The side cover 260 is fixed to the side of the display device and the front cover 220 may extend from the side cover 260 and may be located around the outer periphery of the front surface of the display device. For example, the first front cover 200 may be located on the first long side LS1 and cover the periphery of the first long side LS1 edge.

The second front cover 300 may cover a front surface and / or a side surface of the display device. The second front cover 300 may include a front cover 320 positioned at a part of a front surface of the display device and a side cover 340 positioned at a side of the display device. The front cover 320 and the side cover 340 may be integrally formed. The side cover 340 is fixed to the side of the display device and the front cover 320 may extend from the side cover 340 and may be positioned around the outer periphery of the front surface of the display device. For example, the second front cover 300 may cover the periphery of the first short side SS1 edge.

The first front cover 200 and / or the second front cover 300 may be coupled to the display device by a fastening member 99. The fastening member 99 may be, for example, a screw. The fastening member 99 may fix the side cover 240 of the first front cover 200 and / or the side cover 340 of the second front cover 300 to the display device.

7 is a view showing an example of a cover of a display device according to an embodiment of the present invention. 7 shows the first front cover 200. Fig.

The first front cover 200 may include a front cover 220, a side cover 240, and a coupling protrusion 260. The front cover 220 may be a plate and may be elongated. The side cover 240 may be a plate and may be elongated. The side cover 240 may include a side portion 240a extending from the front cover 220 and a bent portion 240b bent along the side surface of the display device. The front cover 220 and the side cover 240 may be pressed and formed integrally.

The engaging projections 260 may protrude from one side of the front cover 220. The engaging projection 260 may be a plate. The engaging protrusions 260 may extend from the front cover 220 while forming a step with the front cover 220. For example, the engaging projection 260 may have a bent portion 260a extending from the front cover 220 toward the inside of the display device and being pressed along the extending direction to form a stepped portion. The bent portion 260a may be a combination of a and b shape.

The coupling protrusion 260 may extend from one side of the first front cover 200 and extend in the direction of the second front cover 300 in relation to the second front cover 300. This means that the engaging projection 260 can protrude from the first front cover 200 toward the second front cover 300 for the engagement of the first front cover 200 and the second front cover 300 do.

When the first front cover 200 and the second front cover 300 are positioned on the long side LS or the short side SS of the display device in terms of any one side of the display device, Direction can be directed to the second front cover 300. The engaging projections 260 may be formed integrally with the front cover 220 by being pressed.

8 is a view showing an example of a cover of a display device according to an embodiment of the present invention. 8 shows the second front cover 300. Fig.

The second front cover 300 may include a front cover 320, a side cover 340, an opening 360, a support portion 362, and an engagement groove 364. The front cover 320 may be a plate and may be elongated. The side cover 340 may be a plate and may be elongated. The front cover 320 and the side cover 340 may be pressed and formed integrally. Meanwhile, the front cover 320 and the side cover 340 may be formed as an injection molding. When the structure of the second front cover 300 is relatively complicated as compared with that of the first front cover 200, the second front cover 300 may be formed of synthetic resin.

The opening 360 may be formed at one end of the front cover 320. The opening 360 may be for coupling the second front cover 300 and the first front cover 200. The opening 360 may be formed at one end of the front cover 320 and / or the side cover 340 of the second front cover 300. The opening 360 may be formed by extending the front cover 320 shorter than the extension of the side cover 340.

A support portion 362 may be formed at the position of the opening 360 in view of the front cover 320 and inside the side cover 340 in view of the side cover 340. [ The support portion 362 may be for supporting the first front cover 200 when the first front cover 200 is engaged with the second front cover 300. The support portion 362 may be formed at a lower height than the front cover 320, but at a higher height than the engagement groove 364 described later.

The engaging groove 364 may be formed on the inner side of the side cover 340. The engaging groove 364 is formed on the inner side of the side cover 340, and a step may be formed with the supporting portion 362. Further, the engaging groove 364 is formed inside the side cover 340, and may extend downward of the front cover 320. The structure of the support portion 362 and the engagement groove 364 may be formed to correspond to the shape of the front cover 220 and the engagement protrusion 260 of the first front cover 200 described above. That is, the step between the support portion 362 and the engaging groove 364 may be for inserting the engaging projection 260 of the first front cover 200.

The support portion 362 may include an inclined portion 368. The inclined portion 368 may be formed in the support portion 362 on the side of the engaging groove 364. [ The inclined portion 368 may be formed to be closer to the front cover 320 of the second front cover 300 toward the side cover 340 of the second front cover 300. The first front cover 200 may be in close contact with the second front cover 300 in the process of inserting the coupling protrusion 260 into the support portion 362 and the coupling groove 364. [

FIG. 9 is a view illustrating an example of a process of attaching a cover of a display device according to an embodiment of the present invention. 9 shows a front cover 220 of the first front cover 200, a coupling protrusion 260, a front cover 320 of the second front cover 300, a support portion 362, a coupling groove 364, 368 < / RTI >

In the process of joining the first front cover 200 with the second front cover 300, the engaging protrusion 260 is first fitted into the engaging groove 364. At this time, the engaging projection 260 can slide along the inclined portion 368. The front cover 220 of the first front cover 200 and the front cover 320 of the second front cover 300 can be closely contacted while the engaging protrusion 260 slides along the inclined portion 368. [ That is, the inclined portion 368 is formed to be closer to the front cover 320 of the second front cover 300 toward the side cover 340 side of the second front cover 300, The front cover 220 and the coupling protrusion 260 of the main body 200 are guided to be in close contact with the front cover 320 of the second front cover 300 to reduce the gap or step.

10 is a view showing an example of an engaging section of a cover of a display device according to an embodiment of the present invention. 10 shows a coupling relationship between the first front cover 200 and the second front cover 300. As shown in Fig.

The side cover 240 of the first front cover 200 may be located at one end of the side cover 340 of the second front cover 300. The front cover 220 of the first front cover 200 may be positioned on the support portion 362 of the second front cover 300. The engaging projections 260 can be fitted into the engaging grooves 364. The front cover 220 of the first front cover 200 may be positioned at the opening 360 of the second front cover 300. Accordingly, the opening 360 of the second front cover 300 can be covered by the first front cover 200. The engagement of the first front cover 200 and the second front cover 300 by the shape of the coupling protrusion 260, the support portion 362 and the coupling groove 364 causes a step or a gap to be formed .

One end of the coupling protrusion 260 is connected to one end of the front cover 320 of the second front cover 300 and the bent portion 260a of the coupling protrusion 260 is fixed at a predetermined position Lt; / RTI > One end 260b of the engaging projection 260 can abut one end of the front cover 320 of the second front cover 300 and the bent portion 260a of the engaging projection 260 and the supporting portion 362 can be engaged with each other, The front cover 220 of the first front cover 200 and the support portion 362 of the second front cover 300 can be brought into contact with each other.

Accordingly, the first front cover 200 and the second front cover 300 can be coupled to each other while reducing steps or gaps. In addition, despite the structural abnormality that may occur during the manufacturing process of the first front cover 200 and the second front cover 300, it is possible to prevent a coupling defect between the first front cover 200 and the second front cover 300 can do. That is, when the second front cover 300 is formed of synthetic resin and the first front cover 200 is formed of a metal material, the first front cover 200 may be pressed to have a slight elasticity. When the first front cover 200 is not accurately pressed into a desired shape or is deformed due to elasticity, a problem that a coupling defect between the first front cover 200 and the second front cover 300 may occur may be solved .

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 (8)

A display panel;
A backlight unit provided behind the display panel;
A frame provided behind the backlight unit;
A back cover provided behind the frame; And,
And a cover covering at least a part of a front surface of the display panel,
Wherein the cover includes a first cover positioned at one side of the display panel and a second cover positioned at a side of the display panel, wherein one end of the first cover and one end of the second cover meet each other,
Wherein the first cover has a coupling protrusion extending from the one end of the first cover to the second cover, the coupling protrusion being in contact with one end of the second cover,
And the second cover has a coupling groove into which the coupling projection is fitted.
The method according to claim 1,
The first cover is formed of a metal material,
Wherein the second cover is made of synthetic resin.
The method according to claim 1,
Wherein the engaging projection includes a bent portion that is extended from the first cover and is pressed to form a step with the front surface of the first cover,
And the second cover has a support portion facing the rear surface of the first cover and the bent portion being hooked.
The method according to claim 1,
The second cover has an opening through which one end of the second cover is opened,
Wherein the first cover covers the opening and is engaged with the second cover.
The method according to claim 1,
Wherein the first cover includes a side cover positioned on a side surface of the display device and a front cover disposed on at least a part of a front surface of the display device,
Wherein the second cover includes: a side cover positioned on a side surface of the display device; and a front cover disposed on at least a part of a front surface of the display device.
6. The method of claim 5,
An opening in which a part of the front cover of the second cover is opened; And,
And a support formed inside the side cover of the second cover and below the opening, the support being formed lower than the height of the front cover of the second cover,
Wherein the engaging projection includes a bent portion that is extended from one side of the front cover of the first cover and pressed to form a step with the front cover of the first cover,
Wherein the first cover covers the opening and is engaged with the second cover, the support portion facing the rear surface of the first cover, the bent portion being hooked to the support portion, and the bent portion being engaged with the display Device.
The method according to claim 6,
Wherein the supporting portion has an inclined portion on the side of the engaging groove,
Wherein the inclined portion is formed so as to gradually approach the front cover of the first cover toward the side cover side of the second cover.
The method according to claim 1,
Wherein the first cover or the second cover is fixed to a side surface of the display device by a fastening member.
KR1020150111191A 2015-08-06 2015-08-06 Display device KR20170017375A (en)

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KR1020150111191A KR20170017375A (en) 2015-08-06 2015-08-06 Display device

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Application Number Priority Date Filing Date Title
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Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019066094A1 (en) * 2017-09-26 2019-04-04 엘지전자(주) Display device
KR20190036985A (en) * 2017-09-28 2019-04-05 엘지디스플레이 주식회사 Display device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019066094A1 (en) * 2017-09-26 2019-04-04 엘지전자(주) Display device
US10802310B2 (en) 2017-09-26 2020-10-13 Lg Electronics Inc. Display device
KR20190036985A (en) * 2017-09-28 2019-04-05 엘지디스플레이 주식회사 Display device

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