KR20160055578A

KR20160055578A - Display apparatus

Info

Publication number: KR20160055578A
Application number: KR1020140155566A
Authority: KR
Inventors: 이재기; 김형규; 이승현; 김재철
Original assignee: 엘지전자 주식회사
Priority date: 2014-11-10
Filing date: 2014-11-10
Publication date: 2016-05-18

Abstract

A display device is disclosed. A display device of the present invention includes: at least one curved display panel; A plate having at least one curvature, one surface of which is coupled to a rear surface side of the display panel; A module cover coupled to the back side of the plate with the at least one curvature; A back cover having a front surface coupled to a rear surface side of the display panel; And a plurality of rigid bars spaced apart from each other at a plurality of points on the module cover, wherein at least one of the plurality of rigid bars may be curved into the at least one curvature. According to the present invention, rigidity of the display device can be secured by adding a rigid bar corresponding to the shape of the bent display device.

Description

Display device {DISPLAY APPARATUS}

The present invention relates to a display device capable of securing the rigidity of a display device by adding a rigid bar corresponding to the shape of the bent 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. Display) have been studied and used.

Among them, a display device using an organic light emitting diode (OLED) is superior in luminance and viewing angle characteristics to a liquid crystal display device, and does not require a backlight unit, so that it can be realized as an ultra-thin type.

The present invention is directed to solving the above-mentioned problems and other problems. Another object of the present invention is to provide a display device capable of securing the rigidity of a display device by adding a rigid bar corresponding to the shape to a bent display device.

According to an aspect of the present invention, there is provided a display panel comprising: at least one curved display panel; A plate having at least one curvature, one surface of which is coupled to a rear surface side of the display panel; A module cover coupled to the back side of the plate with the at least one curvature; A back cover having a front surface coupled to a rear surface side of the display panel; And a plurality of rigid bars spaced apart from each other at a plurality of points on the module cover, wherein at least one of the plurality of rigid bars includes a display device of the at least one curved shape.

The plurality of rigid bars include at least one transverse rigid bar attached in the transverse direction and at least one longitudinal rigid bar attached in the longitudinal direction, wherein the transverse rigidity bar and the longitudinal rigid bar may have different curvatures.

The curvature of the at least one transverse stiffness bar may be substantially equal to the curvature of the module cover.

The plurality of rigid bars may be coupled along an outer surface of the module cover.

The module cover may further include a plurality of coupling protrusions formed at a plurality of points, and at least one bracket having one side coupled to the plurality of coupling protrusions and the other side connected to an external fixing bracket.

The engaging projection may protrude on a surface of the module cover in a direction different from a normal direction of the module cover formed of the at least one curvature.

Further comprising a frame coupled with at least one of the display panel, the plate, the module cover, and the back cover, wherein the frame comprises at least one transverse frame of a shape curved in at least one curvature, And at least one vertical frame coupled to the horizontal frame.

The apparatus may further include a plate type fixer superimposed on the coupling region of the at least one horizontal frame and the at least one vertical frame.

The at least one transverse frame and the at least one vertical frame may have a plurality of engaging holes, wherein at least one height of the plurality of engaging holes may be different from a height of the other engaging holes.

Wherein at least one of the at least one transverse frame and the at least one longitudinal frame has a plurality of engagement holes in which at least one of the plurality of engagement holes is press-fitted with the engagement member to increase the engagement length between the at least one engagement hole and the screw have.

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 rigidity of the display device can be secured by adding a rigid bar corresponding to the shape of the bent display device.

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 is a view illustrating a display device according to an embodiment of the present invention.
Figure 2 is an exploded view of the display device of Figure 1;
3 to 7 are views showing the brackets of the display device of Fig.
Figs. 8 to 10 are views showing the rigidity bars of the display device of Fig.
Figs. 11 to 14 are views showing frames of the display device of Fig.

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. , &Lt; / RTI > equivalents, and alternatives.

Terms including ordinals, such as first, second, etc., may be used to describe various elements, but the elements are not limited to these terms. The terms are used only for the purpose of distinguishing one component from another.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The singular expressions include plural expressions unless the context clearly dictates otherwise.

In the present application, the terms "comprises", "having", and the like are used to specify that a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

The display device described in this specification includes a display device such as a TV, a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), a navigation device, a slate PC PCs), tablet PCs, ultrabooks, wearable devices (e.g., smartwatches, smart glass, HMDs (head mounted displays), etc.) .

1 is a view illustrating a display device according to an embodiment of the present invention.

As shown, the display device 100 according to an embodiment of the present invention can be configured to have a curvature.

As shown in FIG. 1 (a), the display device 100 may have a rectangular shape when viewed from the front surface. The front surface of the display panel 110 constituting the display device 100 can be observed when viewed from the front side.

The frame 140 may be configured to surround the outside of the display panel 110. A part of the frame 140 is exposed to the outside, and can serve as a bezel. However, it is needless to say that the frame 140 may be absent or positioned inside, and may not be observed as a bezel.

As shown in FIG. 1 (b), the display device 100 may have a curvature of R when viewed from above. For example, it is meant that the components of the display device 100 including the display panel 110 can be configured in a shape having a constant curvature. Since the display device 100 has a certain curvature, a user who views the display device 100 can view an image more immersive.

Figure 2 is an exploded view of the display device of Figure 1;

The display device 100 includes a display panel 110, a plate 120, a module cover 130, a frame 140, a rigid bar (not shown) 145, a bracket 155, and a back cover 160.

The display panel 110 may be a portion that substantially displays an image. The display panel 110 may include a plurality of layers. For example, a front substrate, a back substrate, and / or an optical layer.

The display panel 110 may be an organic light emitting diode (OLED) panel that emits light itself. In the case of OLED panels, there may be no need for separate illumination to display the image. Therefore, it can be implemented with a relatively thin thickness, and a bent structure can be realized. For example, it is possible to implement a display panel 110 that is warped with one curvature or a plurality of curvatures.

The plate 120 may be attached to a rear surface of the display panel 110. The plate 120 and the display panel 110 may be joined together by an adhesive tape or the like.

The plate 120 may be made of aluminum. The aluminum plate 120 may disperse heat transmitted to the display panel 110. Accordingly, heat concentration of the specific area of the display panel 120 is prevented, and deformation of the display panel 110 can be prevented.

The module cover 130 may be attached to the plate 120. The module cover 130 and the plate 120 can be joined together by an adhesive tape or the like. Accordingly, the display panel 110 may be attached to one surface of the plate 120, and the module cover 130 may be attached to the other surface thereof. The module cover 130 may be provided with a forming area. The forming region may mean a region in which a certain region of the module cover 130 is processed to have a step different from that of the other regions. For example, it means that unevenness may be formed in the forming area by press working. The heat transferred directly to the display panel 110 by the forming region can be reduced.

The electronic component 150 can be coupled to the module cover 130. The electronic component 150 may generate a control signal necessary for the operation of the display device 100, such as the display panel 110. [

The frame 140 may be coupled to the display panel 110 and the module cover 130 coupled to the plate 120. The frame 140 is made of a material having a rigidity higher than a certain level, so that rigidity can be imparted to the display device 100. The configuration of the frame 140 will be described in detail in the corresponding portions.

The rigid bar 145 may be coupled to the rear side of the module cover 130. The rigid bar 145 coupled to the module cover 130 can provide rigidity to the display device 100. The display device 100, which is relatively thin, may be vulnerable to external force. The rigid bar 145 attached to the module cover 130 in the horizontal and / or vertical direction can prevent the module cover 130 from being twisted. The details of the rigidity bar 145 will be described in corresponding portions.

The bracket 155 may be a part for connecting the display device 100 and an external device. For example, when the display device 100 is fixed to a wall surface, it can be connected to a fixing bracket (BR in FIG. 5) on the wall side so that the display device 100 can be stably attached to the wall surface. Details of the bracket 155 will be described later.

The back cover 160 shields the rear surface of the display device 160. The back cover 160 may be coupled to the frame 140.

3 to 7 are views showing the brackets of the display device of Fig.

As shown in these drawings, the display device 100 according to an embodiment of the present invention may include a bracket 155.

The bracket 155 can be coupled to the module cover 130. A plurality of brackets 155 may be provided. For example, first and second brackets 155a and 155b. The first and second brackets 155a and 155b may be coupled to the central region of the module cover 130. [ The length W2 of the first and second brackets 155a and 155b may be related to the length W1 of the display device 100. [ That is, it means that the display device 100 can be located at a position where it can most effectively fix the display device 100 because it is connected to the fixing bracket (BR in FIG. 5) to support the display device 100.

The distance H2 between the first and second brackets 155a and 155b may be related to the height H1 of the display device 100. [ For example, it means that the first and second brackets 155a and 155b can be positioned at a distance of H2 / 2 in the vertical direction from the center of the display device 100. [

The first and second brackets 155a and 155b may be coupled while avoiding the electronic component 150 coupled to the module cover 130. For example, the first electronic component 150a may be located in a different area than the first and second brackets 155a and 155b.

The first and second brackets 155a and 155b may be coupled to an area overlapping with the electronic component 150. [ For example, it means that the first and second brackets 155a and 155b can be coupled to the second electronic component 150b in an overlapping position. However, only the engaging protrusions (133 in FIG. 6) formed at the points where the first and second brackets 155a and 155b are coupled to the module cover 130 may be avoided.

4A, the bracket 155 is provided with a first engaging groove 153 which is engaged with the module cover 130 and a second engaging groove 153 which is engaged with the fixing bracket (BR of FIG. 5) 157 may be formed.

The bracket 155 may be provided with the concave-convex portion 151a and / or the rib portion 159a to resist external force such as warpage.

4 (b), when the bracket 155 is viewed from the side, a coupling groove 151 may be formed in the lower portion of the bracket 155. The electronic component 150 or the like may be positioned in the coupling groove 151.

5, one side of the bracket 155 may be coupled to the module cover 130 and the other side may be coupled to the back cover 160 side. The fixing bracket BR can be coupled to the bracket 155. [

As shown in FIG. 6, the module cover 130 may have a coupling protrusion 133 formed thereon. The engaging projections 133 can be engaged with the first engaging grooves 153 of the bracket 155. The second coupling groove 157 of the bracket 155 corresponds to the through hole 167 of the back cover 160 and can be coupled to the coupling bolt 169. The coupling bolt 169 can connect the fixing bracket (BR in FIG. 5) and the second coupling groove 157.

The coupling protrusions 133 may be formed with a first height PH1. This can be shorter than the second height PH2 required when the bracket 155 is not provided. That is, when the bracket 155 is not provided, it means that the coupling protrusion 133 needs to be formed at the second height PH2 in order to reach the back cover 160. [ On the other hand, when the bracket 155 is present, the coupling protrusion 133 is coupled to one side of the bracket 155 and the coupling bolt 169 is coupled to the other side of the bracket 155, The first height PH1 can be formed. Since the length of the coupling protrusion 133 can be relatively short, it is possible to prevent the coupling protrusion 133 from being damaged due to the shearing force.

As shown in FIG. 7, the coupling protrusions 133 and the like have a curvature R and may have a unique shape depending on the shape of the curved display device 100.

The engaging projections 133 may be in a shape perpendicular to the virtual plane regardless of the curvature of the module cover 130. [ For example, it means that the coupling protrusion 133 may protrude from the central point of the curvature R by an angle a. The direction of the engaging projection 133 may correspond to the direction of the fixing bracket (BR in FIG. 5) coupled to the rear.

The first engaging groove 153 may correspond to the direction of the engaging projection 133. That is, the first coupling groove 153 may be formed so as to be parallel to the direction of the coupling protrusion 133 facing rearward regardless of the curvature R. [ The through holes 167 corresponding to the second engagement recess 157 and the second engagement recess 157 may correspond to the direction of the engagement protrusion 133. [

The fixing bracket (BR in FIG. 5) can be engaged irrespective of the curvature R of the display device 100 because the engaging projections 133 and the like are formed in parallel to the rear. That is, it means that the fixing bracket (BR in FIG. 5) can be shared regardless of the difference of the models of the display device 100.

Figs. 8 to 10 are views showing the rigidity bars of the display device of Fig.

As shown in these drawings, the display device 100 according to an embodiment of the present invention may include a rigid bar 145.

As shown in Fig. 8, the rigid bar 145 can be attached to the rear side of the module cover 130. Fig. That is, to the side in which the back cover 160 is engaged.

The module cover 130 and the like may have a relatively low rigidity. That is, it may be vulnerable to an external force in the bending direction due to the shape of the relatively thin module cover 130 or the like. The rigid bar 145 coupled to the module cover 130 may be configured to resist an external force.

The plurality of rigid bars 145 may be provided. For example, first through fourth rigid bars 145a through 145d, which are mutually separated. The first and second rigid bars 145a and 145b may be coupled in the transverse direction and the third and fourth rigid portions 145c and 145d may be coupled in the longitudinal direction.

As shown in Fig. 9, the rigid bar 145 may be attached to a specific engagement area of the module cover 130. Fig. The first area A1 may be the central area of the module cover 130. [ The electronic component 150 may be coupled to the first area A1. Therefore, the rigid bar 145 can be joined to the region except for the first region A1. That is, the rigid bar 145 means that it can be joined to the second to fifth regions A2 to A5.

As shown in FIG. 10, the first and second rigid bars 145a and 145b may have a curvature R. That is, the first and second rigid bars 145a and 145b, which are attached laterally depending on the shape of the display device 100, may have a curvature. The shapes of the first and second rigid bars 145a and 145b and the shapes of the third and fourth rigid bars 145c and 145d attached to the display device 100 in the longitudinal direction may be different from each other. For example, the first and second rigid bars 145a and 145b in the transverse direction have a curvature, but the third and fourth rigid bars 145c and 145d in the transverse direction may have no curvature.

The central region WA of the first and second rigid bars 145a and 145b may have a different shape from the other portions. For example, in the central region WA, unlike the other regions, the reinforcing rib 143 may not exist. In addition, engagement holes 146 may be formed at regular intervals in the region including the central region WA.

Figs. 11 to 14 are views showing frames of the display device of Fig.

As shown in these drawings, the display device 100 according to an embodiment of the present invention may include a frame 140. [

The frame 140 may be a portion to which the components of the display device 100 are coupled. The frame 140 can impart rigidity to the display device 100. [

The frame 140 may be configured to be divided into a plurality of regions and assembled. The size of the display device 100 is increased, and the size of the frame 140 is increased correspondingly. Since the size of the frame 140 is increased, the entirety of the frame 140 may be integrally formed, which may result in a difficulty in the manufacturing process and / or an increase in the manufacturing cost. Therefore, the frame 140 according to an embodiment of the present invention may be configured such that the first to fourth frames 140a to 140d are coupled. In addition, a fixer 142 for effectively combining the first to fourth frames 140a to 140d can be used.

The filler 142 may correspond to the shape of the edge portion of the coupled frame 140. [ The fixer 142 can be coupled to the corner portion of the frame 140 in an overlapped manner.

The thickness of the frame 140 may be relatively thin. That is, the frame thickness (T1 in FIG. 13) of the frame 140 may be configured to be within a few millimeters in order to reduce the thickness of the display device 100 as a whole.

If the thickness of the frame 140 is reduced, the coupling between the first to fourth frames 140a to 140d may become difficult. For example, if a screw 144 is used for securing the frame 140, it may be below a minimum thickness for fastening the screw 144. If the minimum thickness for fastening the screw 144 is less than the minimum thickness, the fastening of the screw 144 can be easily loosened. The display device 100 according to an embodiment of the present invention may add a coupling member 148 to the frame 140 to secure the fastening force of the screw 144. [

As shown in Figs. 12 (a) and 12 (b), the first and fourth frames 140a and 140b, which are coupled to each other, may have mutually-shaped shapes. For example, the first frame 140a may have a first mold clamping part CA1 and a second mold clamping part CA2. The width of the first crimped portion CA1 may be C2 and the width of the second crimped portion CA2 may be C1.

The second bezel BZ2 of the second frame 140b may have a shape corresponding to the first mold half CA1. That is, the thickness of the second bezel part BZ2 may be C2. The third mold clamping portion CA3 of the second frame 140b may correspond to the first mold clamping portion CA1 of the first frame 140a. When the first and fourth frames 140a and 140d are coupled to each other, the first, second and third mold joints CA1 to CA3 corresponding to each other can be closely contacted with each other.

13, the frame 140 includes a first engaging hole 147 to which the engaging member 148 is engaged and a second engaging hole 148 to which the engaging member 148 is not engaged, ). For example, it means that the engaging member 148 may be press-fitted into the first engaging hole 147.

The height T2 of the first engagement hole 147 may be higher than the height T1 of the second engagement hole 146. [ That is, the first engaging hole 147 can be configured in a higher shape due to the engaging member 148 inserted in the first engaging hole 147. The screw 144 to be coupled to the first engaging hole 147 can be more stably fastened to the first engaging hole 147 because the first engaging hole 147 is composed of the T1 height. That is, it means that the length in which the screw 144 is engaged can be longer. The increase in the overall weight and / or thickness can be minimized because the fastening length of the screw 144 is longer to allow stable engagement but not the frame 140 as a whole.

As shown in Fig. 14 (a), the frame 140 may have first and second engagement holes 147 and 146 formed therein. The height of the first engagement hole 147 may be higher than that of the second engagement hole 146. That is, it means that the first engagement hole 147 is formed high due to the engagement member 148 inserted into the first engagement hole 147.

The clicker 142 may be provided with first and second through holes 147a and 146a corresponding to the first and second coupling holes 147 and 146.

The screw 144 may be coupled to the first and second engagement holes 147 and 147a after the fixture 142 is coupled to the frame 140 as shown in Figure 14 (b) .

T2-T1, which is the difference between the height of the first engaging hole 147 and the height of the second engaging hole to the frame 140, may correspond to the thickness of the picker 142. Therefore, even when the fixer 142 is engaged, the fixture 142 may not exceed the height of the first engagement hole 147. Accordingly, the thickness of the entire display device 100 can be prevented from increasing.

As described above, it is to be understood that the technical structure of the present invention can be embodied in other specific forms without departing from the spirit and essential characteristics of the present invention.

It should be understood, therefore, that the embodiments described above are to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than the foregoing description, And all changes or modifications derived from equivalents thereof should be construed as being included within the scope of the present invention.

100: display device 110: display panel
120: Plate 130: Module cover
160: Housing

Claims

A curved display panel of at least one curvature;
A plate having at least one curvature, one surface of which is coupled to a rear surface side of the display panel;
A module cover coupled to the back side of the plate with the at least one curvature;
A back cover having a front surface coupled to a rear surface side of the display panel; And
And a plurality of rigid bars spaced apart from each other at a plurality of points on the module cover, wherein at least one of the plurality of rigid bars is bent at the at least one curvature.

The method according to claim 1,
The plurality of rigid bars may include a plurality of rigid bars,
At least one lateral stiffness bar attached in the transverse direction,
At least one longitudinal stiffness bar attached longitudinally,
Wherein the lateral stiffness bar and the longitudinal stiffness bar have different curvatures.

3. The method of claim 2,
Wherein the curvature of the at least one transverse stiffness bar
Wherein the curvature of the module cover is substantially equal to the curvature of the module cover.

The method according to claim 1,
The plurality of rigid bars may include a plurality of rigid bars,
And is coupled along an outer surface of the module cover.

The method according to claim 1,
A plurality of coupling protrusions formed at a plurality of points on the module cover,
Further comprising: at least one bracket coupled to the plurality of coupling protrusions at one side and to an external fixing bracket at the other side.

6. The method of claim 5,
The engaging projection
And protruding on a surface of the module cover in a direction different from a normal direction of the module cover formed of the at least one curvature.

The method according to claim 1,
Further comprising a frame coupled with at least one of the display panel, the plate, the module cover, and the back cover,
The frame includes:
At least one transverse frame of said at least one curvature-
And at least one vertical frame coupled to the at least one horizontal frame.

8. The method of claim 7,
Further comprising a plate type fixer superimposed on the combined area of the at least one horizontal frame and the at least one vertical frame.

8. The method of claim 7,
A plurality of engagement holes are formed in the at least one horizontal frame and the at least one vertical frame,
Wherein at least one height of the plurality of engagement holes is different from a height of the other one of the plurality of engagement holes.

8. The method of claim 7,
A plurality of engagement holes are formed in the at least one horizontal frame and the at least one vertical frame,
Wherein at least one of the plurality of engagement holes comprises:
Wherein the engaging member is press-fitted so that a fastening length between the at least one engaging hole and the screw is increased.