KR20150058990A - Rear cover and display apparatus including the same - Google Patents

Abstract

A display device according to the embodiment of the present invention includes a display module of implementing an image; a changing member which changes the shape of the display module; and a backside cover which is located on the backside of the display module and includes separation regions. The separation regions are connected to each other by a fixing member. The fixing member may include a fixing member and a second fixing member.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a rear cover,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rear cover and a display device including the same, and more particularly, to a rear cover designed to cover a display module having an improved structure and a display device including the same.

Various types of display devices for realizing images are used. For example, there are various displays such as a liquid crystal display panel, a plasma display panel, and an organic light emitting diode display panel.

2. Description of the Related Art [0002] As the field of use of display devices is gradually expanded, various characteristics are required in various fields of use, and there is an increasing demand for not only characteristics related to displaying images, but also three- In order to satisfy such various demands, studies for improving the structure of the display device in various forms are continuing.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a rear cover and a display device including the rear cover, the shape of which can be easily changed corresponding to the improved structure of the display module.

A display device according to an embodiment of the present invention includes: a display module in which an image is implemented; A deformable member changing the shape of the display module; And a rear cover disposed on the rear surface of the display module, the rear cover including a plurality of divided areas divided by a dividing part. The plurality of divided areas may be connected to each other by a fixing member, and the fixing member may include a first fixing member and a second fixing member that are coupled to each other.

And the rear cover may be integrally connected.

Wherein the plurality of divided regions include a first divided region and a second divided region which are adjacent to each other and the first divided region includes a first fastening portion formed on one side adjacent to the second divided region, The divided region may include a second fastening portion formed on one side adjacent to the first divided region. The fixing member may be fastened to the first fastening portion and the second fastening portion to fix them movably.

And the fixing member may be located at a portion where the first division region and the second division region are overlapped with each other.

The first fastening portion may have a fastening hole. The fixing member may include a first fixing member projecting from the second fastening portion and penetrating the fastening hole and a second fastening member inserted from the first fastening portion side and fastened to the first fastening member .

The first fixing member may include a nut member having a first screw formed on an inner surface thereof. The second fixing member may include a bolt member having a screw portion formed with a second screw engaged with the first screw of the nut member and a head portion connected to the screw portion and having a larger area than the screw portion.

A gap may be located between the head and the first fastening portion.

The first fastening member may project more toward the display module than the first fastening portion.

The ratio of the height of the portion of the first fixing member protruding from the first fastening portion to the height of the first fastening member may be 0.2 to 0.4.

The first fixing member may protrude more than the first fastening portion by 0.1 mm to 1 mm toward the display module.

And the fastening hole may have a greater width than the first fixing member.

Wherein the fastening hole has a first hole portion corresponding to one side of the first fixing member, a second hole portion corresponding to the other side of the first fixing member, and a second hole portion located between the first hole portion and the second hole portion, Section.

The ratio of the width of the first fixing member to the width of the fastening hole may be 1.2 to 1.8.

The difference between the width of the first fixing member and the width of the fastening hole may be 0.1 mm to 10 mm.

And the first fixing member may be formed integrally with the second fastening portion.

At least one of the vertical width and the horizontal width of the head portion may be larger than the fastening hole.

The first fastening portion may include a first projecting portion projecting toward the display module and a first overlapping portion extending from the first projecting portion and overlapping the second partitioning portion. The second fastening portion may include a second projecting portion projecting toward the display module and a second overlapping portion extending from the second projecting portion and overlapping the first overlapping portion. And a fastening hole in which the fixing member is located may be formed in the first overlapping portion.

The first divided area and the second divided area may be elongated in the vertical direction of the display device, and the first fastening part and the second fastened part may be extended in the vertical direction of the display device, respectively.

A rear cover according to an embodiment of the present invention includes a rear cover positioned on a rear surface of a display module, the rear cover including a plurality of divided areas divided by a partition, the plurality of divided areas being connected to each other by a fixing member, The fixing member includes a first fixing member and a second fixing member which are engaged with each other.

The first fixing member may include a nut member, and the second fixing member may include a bolt member.

In the present embodiment, since the rear cover has a plurality of divided regions partitioned by the divided portions, the shape can be changed by integrating with the display module even with a small force. Accordingly, power consumption for changing the shape of the display module or the display device can be minimized, and it becomes possible to uniformly deform the display module or the display device so as to have a desired shape. At this time, since the plurality of divided regions are fixed in a state where they are connected to each other by the fixing member, the rear cover can be integrated to simplify the structure and improve ease of handling.

At this time, if the first fixing member, which is a nut member and the second fixing member, which is a bolt member, are used as the fixing member, the fastening structure can be made more simple and robust. Further, the width, height, etc. of the first and second fixing members and the fastening holes are limited, and the shape of the rear cover can be easily changed when the shape of the display module changes. The first and second fixing members are located at the first and second overlapping portions of the first and second fastening portions overlapping each other inside the outer surface of the rear cover so that even if the shape of the rear cover changes, It is possible to prevent the user from being conspicuous.

1 is a schematic front perspective view of a display device according to an embodiment of the present invention.
2 is a schematic rear perspective view of a display device according to an embodiment of the present invention.
3 is an exploded perspective view showing a part of a display device according to an embodiment of the present invention.
Fig. 4 is an enlarged perspective view of the portion A shown in Fig. 2, and is an enlarged perspective view of a fixed end portion of the rear cover. Fig.
5 is a cross-sectional view taken along the line IV-IV in Fig.
Fig. 6 is a perspective view showing the main body portion of the divided region shown in Fig. 3;
7 is a sectional view cut along the line VII-VII in Fig.
FIG. 8 is a plan view schematically showing a fastening hole and a first fixing member formed in the divided region shown in FIG. 3; FIG.
9 is a view for explaining a shape change 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. However, it is needless to say that the present invention is not limited to these embodiments and can be modified into various forms.

In the drawings, the same reference numerals are used for the same or similar parts throughout the specification. In the drawings, the thickness, the width, and the like are enlarged or reduced in order to make the description more clear, and the thickness, width, etc. of the present invention are not limited to those shown in the drawings.

Wherever certain parts of the specification are referred to as "comprising ", the description does not exclude other parts and may include other parts, unless specifically stated otherwise. Also, when a portion of a layer, film, region, plate, or the like is referred to as being "on" another portion, it also includes the case where another portion is located in the middle as well as the other portion. When a portion of a layer, film, region, plate, or the like is referred to as being "directly on" another portion, it means that no other portion is located in the middle.

Hereinafter, a back cover and a display device including the same according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a schematic front perspective view of a display device according to an embodiment of the present invention, and FIG. 2 is a schematic rear perspective view of a display device according to an embodiment of the present invention. 3 is an exploded perspective view showing a part of a display device according to an embodiment of the present invention.

1 to 3, a display device 100 according to the present embodiment includes a display module 10 in which an image is implemented, a deformable member 20 that changes the shape of the display module 10, And a rear cover 30 located on the rear surface of the module 10. At this time, the rear cover 30 includes a plurality of divided regions 34 divided by the dividing portion 32 and connected to each other by the fixing member 330. Thus, the shape of the rear cover 30 can be easily changed when the shape of the display module 10 is changed by the deformable member 20. Also, the rear cover 30 including the plurality of divided areas 34 can be easily integrated by the fixing member 330 and handled. This will be explained in more detail.

The display module 10 includes a display panel 12 that substantially implements an image, a support member 14 that is positioned on the rear surface of the display panel 12 and supports the display panel 12, (Not shown) which is fixed to the display panel 12 and provides a signal for driving the display panel 12 and a display panel 12 which surrounds the side surfaces of the display panel 12 and the support member 14, And may include a frame portion 16.

In the present embodiment, the display panel 12 is a panel having various structures and systems capable of implementing an image, and having a flexible characteristic, the shape of which can be changed by the deformable member 20.

For example, the display panel 12 may be an organic light emitting display panel using an organic light emitting diode (OLED). The organic light emitting display panel is a self-luminous display panel that uses a principle that a current is generated in a fluorescent or phosphorescent organic thin film to combine electrons and holes in the organic thin film to generate light. The organic light emitting display panel has various advantages such as a bright and clear image quality, no limitation by the viewing angle, and low power consumption. In particular, since the organic thin film can be produced by laminating it, the flexible property is excellent. However, the present invention is not limited thereto, and various display panels 12 having various structures and systems can be applied.

The support member 14 is disposed on the rear surface of the display panel 12 to support the display panel 12. A panel driving part and a deformable member 20 which are fixed to the rear surface of the supporting member 14 by driving the display panel 12 may be positioned on the rear surface of the supporting member 14. [ The supporting member 14 has a strength that can be supported and fixed to the display panel 12, the panel driving unit and the deformable member 20, and the shape can be changed when the shape of the display panel 12 is changed Elasticity, and the like. In addition, the support member 14 may have a thermal expansion coefficient similar to that of the display panel 12 in order to prevent thermal stress or the like from occurring.

For example, in this embodiment, the support member 14 may comprise a composite material such as reinforced plastic. Composite material is a material that artificially combines two or more kinds of materials to have excellent properties. For example, in this embodiment, the support member 14 may include reinforced plastics such as carbon fiber reinforced plastic (CFRP), glass fiber reinforced plastic (GFRP), and the like. Then, it is possible to have high strength, elasticity, and excellent abrasion resistance by a reinforcing material of various fiber form while having light and flexible characteristics by plastic. The support member 14 may be composed of a single composite material layer or may be formed by stacking a plurality of composite material layers for superior strength.

The support member 14 may be fixed to the rear surface of the display panel 12 using an adhesive (for example, a double-sided tape). However, the present invention is not limited thereto, and the display panel 12 and the supporting member 14 can be fixed by various other methods.

The panel driver fixed to the rear surface of the support member 14 includes a circuit board (not shown) including various wires, elements, and the like to provide a signal for driving the panel. Such a panel driving unit may be fixed to the supporting member 14 by a bracket (not shown) or the like. For example, when the bracket is fixed to the supporting member 14 only at the central portion to change the shape of the display panel 12 The required force can be minimized. However, the present invention is not limited thereto, and it is needless to say that a part or all of the panel driving unit is located outside the display module 10, and the like.

At this time, the panel driving unit of the present embodiment may include wiring, devices, and the like for driving the deformable member 20. [

The frame portion 16 is located along the edge of the display panel 12 and the support member 14. [ The frame portion 16 functions to secure the display panel 12 and the support member 14 and protect the upper and lower edges of the display panel 12 and the support member 14. [ The rear cover 30 covering the rear surface of the display panel 12 may be fixed to the frame portion 16. 3, the illustration of the frame portion 16 is omitted for the sake of brevity and clarity.

More specifically, the frame portion 16 of the present embodiment includes a first frame portion (reference numeral 16a in Fig. 5, hereinafter the same) for covering the edge of the display module 10 and a second frame portion 16b protruding from the first frame portion 16a, (16b in Fig. 5, hereinafter the same) positioned on the rear surface of the first frame 10, as shown in Fig. The edges of the display module 10 can be securely protected by the first and second frame portions 16a and 16b and the rear cover 30 can be stably secured to the display module 10 by the second frame portion 16b . The fixing structure of the frame portion 16 and the rear cover 30 will be described later in more detail with reference to FIGS. 4 and 5. FIG. However, the present invention is not limited thereto, and the shape and position of the frame portion 16 may be variously modified.

On the rear surface of the support member 14, a deformable member 20 capable of deforming the display panel 12 (or the display module 10) is located. The variable member 20 may have various configurations and schemes that can change the shape of the display module 10. [

In this embodiment, the deformable member 20 may include a deformable portion 22 and a fixing portion 24 for fixing the deformable portion 22 to the supporting member 14, for example. A stopper member (not shown) may be positioned at both ends of the fixing part 24. [

The deforming portion 22 can be applied to various structures and systems that can change the length, shape, etc. by a temperature change, an electric signal, or the like. For example, the deformable portion 22 may include a shape memory alloy and may have a wire shape extending along the lateral direction of the display module 10. The shape memory alloy is an alloy that utilizes shape memory and super plasticity appearing in a metal that undergo austenite-martensitic transformation and has a different shape depending on the temperature. The deformable part 22 is connected to an element or the like driving the variable member 20 in the panel driving part so that the temperature is adjusted and the length of the deformable part 22 is changed to change the shape of the display panel 12 or the display module 10 . When the shape memory alloy is used as the deformation portion 22, the structure is simple and easy to apply, and noise is not generated when the display module 10 is deformed.

The deforming portion 22 is fixed to the fixing portion 24 and the fixing portion 24 to which the deforming portion 22 is fixed can be fixed to the supporting member 14. [ The fixing portion 24 may have a shape extending in the lateral direction while the deformable portion 22 is positioned inside. The fixing portion 24 may include a material that can change its shape when the shape of the display panel 12 changes while supporting the deforming portion 22. [ Accordingly, the fixing portion 24 may have a single or multiple layers including a composite material, for example, reinforced plastic (CFRP, GFRP, etc.). However, the present invention is not limited thereto, and it is needless to say that the fixing part 24 can be formed of various materials.

At this time, the fixing member 24a located at the central portion of the fixing portion 24 has a certain height, and the fixing portion 24 and the supporting member 14 may have a larger interval than the central portion. For example, the fixing portion 24 may be positioned on the supporting member 14 such that the central portion of the fixing portion 24 has a rounded shape that protrudes more toward the rear of the display module 10. [

When the central portion of the fixing portion 24 is positioned in a rounded shape more protruding than the other portions, the display panel 12 can be more easily deformed when the display panel 12 is deformed by the deforming portion 22. [ . That is, in the present embodiment, both side ends of the display panel 12 are protruded using the deformable member 20 so that the display panel 12 is a curved surface having a constant radius of curvature R in the left-right direction. Therefore, the fixing portion 24 is fixed to the display module 10 so as to protrude more from the center portion, so that the display module 10 can be more easily deformed.

The stopper member serves to fix the display panel 22 so as to maintain the state of the display panel 22 when the shape of the display panel 22 is changed.

When the temperature is raised by applying a current to the deformation portion 22 by the panel driving portion, both ends of the deformation portion 22 can be bent forward as the length of the deformation portion 22 is worn. Both ends of the display module 10 in the left and right direction are projected forward so that the display module 10 can be curved so as to have a curvature in the lateral direction. Then, the distance from the user's eyes to the display panel 12 becomes fine even if the center portion and the side portion do not have a difference or there is a difference. Accordingly, the immersion feeling of the user can be improved.

In such a deformed state, the stopper member can be used to hold the display panel 12 in a deformed state. In this case, since current is not continuously supplied to maintain the deformed state of the display panel 12, power consumption can be minimized.

In order to change the display panel 12 back to its original state, the state of the stopper member is returned to the original state or the current supply is removed to return the deformed portion 22 to its original length, Change.

In the above-described embodiment, the shape of the display panel 12 is set to change as the length of the deformed portion 22 decreases when the temperature rises. However, the present invention is not limited thereto. Therefore, the length of the deformation portion 22 can be set to be long when the deformation portion 22 rises in temperature, and various other deformation is possible. Although the deformable portion 20 using the shape memory alloy is used as the deformable member 20, the deformable portion 22 may be of various types and structures such as a motor and a spring member.

The structure and the manner of the fixing part 24 and the stopper member may also be variously applied to various structures and methods. The position, arrangement, and the like of the stopper member can be variously modified according to the structure and the manner thereof.

In this embodiment, the display panel 12 is deformed so as to have a curved surface having a constant radius of curvature R in the lateral direction, but the present invention is not limited thereto. Therefore, it is also possible to deform it so as to have a curved surface in the vertical direction, or to deform it into various other shapes.

In the present embodiment, the deformable member 20 is located on the rear surface of the support member 14, but the present invention is not limited thereto. Thus, it is possible to display the display 12 at various locations, such as between the display panel 12 and the support member 14, within the support member 14, between the support member 14 and the back cover 30, It is sufficient to provide a force for changing the shape of the panel 12.

The rear cover 30 is located on the rear surface of the display module 10. The rear cover 30 protects the display module 10, the panel driving unit, and the like by an external impact while providing a space for the structure of the panel driving unit and the like. In addition, the rear cover 30 covers the panel driving unit and the like to prevent the internal structure from being seen from the outside and to improve the appearance. For example, the rear cover 30 may be formed as a curved surface as a whole to secure a sufficient space and improve the appearance.

In this embodiment, the rear cover 30 has a structure capable of coping with a change in the shape of the display module 10 when the shape of the display module 10 is changed. Accordingly, the display module 10 is protected and the appearance is maintained even when the shape of the display module 10 is changed without hindering the shape change of the display module 10. [

To this end, the back cover 30 in this embodiment includes a plurality of divided areas 34 divided and partitioned from each other. At this time, the dividing section 32 completely divides the neighboring divided region 34. Referring to FIG. 3, the rear cover 30 includes a plurality of divided regions 34 formed separately from each other by the dividing portion 32, which are connected to each other by the fixing member 330 to integrate them.

When the rear cover 30 includes a plurality of divided regions 34 formed separately from each other, the shape of the rear cover 30 is changed when the shape of the display module 10 is changed by the deformable member 20, Can be reduced. That is, when the rear cover 30 is formed of a single plate having a uniform thickness without the partition 32, a large force is required because the shape of one plate must be changed as a whole. In addition, since a single plate is used as a reference, the displacement is also increased and it is difficult to uniformly apply force to all the parts. On the other hand, as in the present embodiment, if the rear cover 30 includes a plurality of divided regions 34, it can be deformed by applying a relatively small force so as to deform one of the divided regions 34 . Further, since the displacement of each of the divided regions 34 is small, it is possible to cope with the shape change more easily, and uniform shape change is possible.

For example, as described above, when the display module 10 is deformed into a curved surface having a curvature in the left-right direction, the divided portion 32 may have a shape extending in the vertical direction intersecting with the left-right direction. When the display module 10 is deformed into a curved surface, a bending force acts on the rear cover 30 in the left and right directions. Accordingly, in the present embodiment, the divided portion 32 is formed so as to extend vertically in the vertical direction, and the plurality of divided regions 34 are arranged in the left-right direction. As a result, the width of the divided region 34 to which the bending force is applied is relatively small, so that the divided region 34 can be easily deformed.

At this time, the divided region 34 divided by the division unit 32 may be extended in the vertical direction. The divided region 34 has a body portion 34a forming a gentle curved surface and forming an outer frame and a fixing portion 34a for fixing the frame portion 16 located at both ends in the vertical direction of the body portion 34a. Lt; RTI ID = 0.0 > 34b. ≪ / RTI > The frame portion 16 and the fixed end 34b may be fixed by a fastening member 36. [ Thus, the divided region 34 is fixed to the frame portion 16 by the fixed end 34b formed at both ends in the vertical direction intersecting the deformation direction. Thus, by fixing the both ends in the vertical direction, it can be easily deformed corresponding to the force applied in the lateral direction.

4 and 5, the structure of the fixed end 34b in the display device 100 according to the present embodiment and the fixing structure of the fixed end 34b and the frame portion 16 will be described in more detail. 4 is an enlarged perspective view of the portion A shown in Fig. 2, which is an enlarged perspective view of a fixed end portion of the rear cover, and Fig. 5 is a sectional view cut along the line IV-IV in Fig.

The fixed end 34b is moved toward the display module 10 side (more precisely toward the second frame portion 16b of the frame portion 16 located on the rear surface of the display module 10) than the main body portion 34a, As shown in Fig. The fixed end 34b is formed in parallel with the second frame part 16b, and can be stably fixed to the second frame part 16b. The main body portion 34a can be positioned relatively far away from the display module 10 and a sufficient space can be provided between the main body portion 34a and the display module 10 so that the support member 20, . However, the present invention is not limited thereto, and its structure can be variously modified.

The fixed end 34b of each of the divided regions 34 may be formed with a protruding portion P at a side portion thereof so as to overlap the fixed end 34b of the adjacent divided portion 34. [ The projection P formed at the fixed end 34b of one of the divided regions 34 overlaps with the fixed end 34b of the adjacent divided region 34. [ A threaded hole 340c is formed in the projection P formed at the fixed end 34b of the one divided region 34 and a portion of the adjacent divided region 34 overlapping the projection P at the corresponding position And a corresponding screw hole 340d is formed in the portion. And a screw hole 340b is formed at the position of the corresponding second frame portion 16b. By fastening the fastening member 36 (e.g., a screw or a bolt member) to the screw holes 340b, 340c, and 340d, the two adjacent divided regions 34 are joined together to the second frame portion 16b Can be fixed. As a result, the two divided regions 34 spaced apart from each other can be stably fixed to the frame portion 16. The upper and lower ends of the divided region 34 can be firmly fixed to the frame portion 16 with a simple structure by the screw coupling structure. Although the fastening member 36 is illustrated as being fixed to the support member 14 through the frame portion 16, the present invention is not limited thereto. Therefore, various modifications are possible, for example, the fastening member 36 is fixed only to the frame portion 16 and is not fixed to the support member 14. [

At this time, the portion of the projecting portion P of the fixed end 34b where the screw hole 340c is fastened to the fastening member 36 is formed concave (that is, protruded toward the display module 10) . As a result, when the fastening member 36 is fastened to the screw holes 340b, 340c, and 340d, the surface of the fastening end 34b where the fastening member 36 is not positioned and the surface of the fastening member 36 are on the same plane . As a result, it is possible to prevent the fastening member 36 from being seen in an apparent manner.

At this time, the screw holes 340b, 340c, and 340d may be elongated in the left-right direction of the display module 10. When the display module 10 is deformed into a curved surface having a curvature in the left-right direction of the display module 10, the divided region 34 is extended and / or the interval between the divided portions 32 is increased. The screw holes 340b, 340c and 340d are elongated in the left and right direction of the display module 10 so as to flexibly cope with the width variation of the divided region 34 and / or the divided portion 32. [

However, the present invention is not limited thereto. The fixing structure of the rear cover 30 and the frame portion 16 may be variously modified. For example, a variety of methods such as fitting with a fixing structure of the rear cover 30 and the frame portion 16, an adhesive and the like can be used.

Referring back to FIG. 3, in the present embodiment, the plurality of divided regions 34 have the same width. Here, the same width includes not only the case where they are completely physically identical but also the width which can be judged to be the same in consideration of process errors and the like. If the plurality of divided regions 34 having the same width are used as described above, the rear cover 30 can be formed using the plurality of divided regions 34 formed in the same process, thereby simplifying the manufacturing process. However, the present invention is not limited thereto, and it is also possible to use the divided regions 34 having different widths. For example, the width of the divided area 34 may be reduced toward the end in the lateral direction.

Both ends of the divided region 34 (more specifically, the body portion 34a) in the left and right direction can be fixedly connected to each other by the fixing member 330. 6 to 8, the fixing structure of the main body portion 34a by the fixing member 330 will be described in more detail.

FIG. 6 is a perspective view showing a main body portion of the divided region shown in FIG. 3, and FIG. 7 is a sectional view cut along the line VII-VII in FIG. And FIG. 8 is a plan view schematically showing a fastening hole and a first fixing member formed in the divided region shown in FIG.

6 and 7, each of the divided regions 34 (more precisely, the body portion 34a) includes a fastening portion 1321, 1322 used for fastening superimposed on the adjacent divided portion 34 . Then, the fixing member 330 is fastened to the fastening portions 1321 and 1322 of two neighboring divided regions 34 to movably fix the two adjacent divided regions 34. For example, when two adjacent divided regions 34 are referred to as a first divided region 341a and a second divided region 342a, a first joined portion 1321 is formed on one side of the first divided region 341a And a second fastening part 1322 is formed on one side of the second divided area 342a adjacent thereto. The first divided region 341a and the second divided region 342a can be fixed to the first and second fastening portions 1321 and 1322 by fastening the fastening members 330 to each other.

In this embodiment, the first fastening part 1321 may protrude from one side of the first dividing area 341a toward the second dividing area 342a and may include a fastening hole 1321d. More specifically, the first fastening portion 1321 includes a first projecting portion 1321a projecting from the one side adjacent to the second division region 342a toward the display module 10 and a second projecting portion 1321b projecting from the first projecting portion 1321a And a first overlapping portion 1321b that extends from the first projecting portion 1321a so as to be folded and overlapped with the two-divided region 342a. A plurality of fastening holes 1321d are formed in the overlapping portion 1321b at regular intervals. Although not shown in the figure, it may further include an extending portion that is bent from the end of the overlapping portion 1321b and extends rearward or toward the second divisional region 342a.

By the first projecting portion 1321a, the first overlapping portion 1321b can be extended to cover a portion thereof while being separated from the second division region 342a. The first overlapping portion 1321b allows the fixing member 330 to be fastened by the fastening hole 1321d. The first overlapping portion 1321b also functions to prevent the gap between the first division region 341a and the second division region 342a from being recognized when they are distant from each other.

The second fastening portion 1322 includes a second projecting portion 1322a projecting from the end adjacent to the first partitioning portion 341a toward the display module 10 and a second projecting portion 1322b projecting from the second projecting portion 1322a toward the second sub- And a second overlapping portion 1322b extending toward the center of the first overlapping portion 342a and overlapping the first overlapping portion 1321b. The second overlapping portion 1322b overlaps the first overlapping portion 1321b by the second protruding portion 1322a. In one example, the second overlapping portion 1322b may overlap in parallel with the first overlapping portion 1321b and may be positioned in close contact with the first overlapping portion 1321b.

The fixing member 330 is fastened to the first and second overlapping portions 1321b and 1322b which are overlapped with each other. More specifically, the fixing member 330 includes a first fixing member 332 protruding from the second overlapping portion 1322b and penetrating the fastening hole 1321d, and a second fastening member 332 formed on the first fastening portion side (more specifically, And a second fixing member 334 inserted into the first fixing member 332 and fixed to the first fixing member 332.

The first fixing member 332 may protrude from the second overlapping portion 1322b and penetrate the fastening hole 1321d of the first overlapping portion 1321b. In this case, the first fixing member 332 may be a nut member having a first screw 332a formed on the inner surface thereof. For example, the first fixing member 332 may be formed of a press-fitting nut or the like.

In the drawing, the first fixing member 332 has a structure integrally formed with the second overlapping portion 1322b. The second overlapping portion 1322b in which the first fixing member 332 is integrally formed can be easily manufactured by forming the first fixing member 332 together in the process of forming the division region 34. [ When the first fixing member 332 is integrally formed in the second overlapping portion 1322b (that is, when the first fixing member 332 is formed while forming a part of the second overlapping portion 1322b), the fixing stability of the first fixing member 332 Can be improved. However, the present invention is not limited thereto, and it is also possible that the first fixing member 332 is separately manufactured and then attached or assembled to the second overlapping portion 1322b.

At this time, the first fixing member 332 may protrude more toward the display module 10 than the first overlapping portion 1321b of the first fastening portion 1321. That is, the first height H1 of the first fixing member 332 may be greater than the thickness T of the first overlapping portion 1321b. The first height H1 may be a length measured between the end of the first fixing member 332 adjacent to the side of the display module 10 from the side of the second overlapping member 1322b adjacent to the side of the display module 10 . The end of the fixing member 332 adjacent to the side of the display module 10 is positioned closer to the side of the display module 10 than the side of the first overlapping portion 1321b adjacent to the display module 10. [ The portion of the first fixing member 332 corresponding to the second height H2 corresponding to the difference between the first height H1 and the thickness T is larger than the first overlapping portion 1321b of the display module 10, As shown in FIG.

As a result, the second fixing member 334 (particularly, the head portion 3344 of the second fixing member 334) fastened to the first fixing member 332 does not contact the first overlapping portion 1321b, And may be positioned so as to have a certain gap (a gap corresponding to the second height H2) and the overlapping portion 1321b. Thereby, the first fixing member 332 and the first overlapping portion 1321b are positioned so as not to cause friction with each other. When the shape of the display module 10 (or the display panel 12) is changed by the deformable member 20 and the distance between the first divisional area 341a and the second divisional area 341b is decreased or decreased The first overlapping portion 1321b can freely move without being interfered with by the second fixing member 334. [

The ratio H2 / H1 of the second height H2 of the portion of the first fixing member 322 protruding from the first overlapping portion 1321b to the first height H1 of the first fixing member 332, May be 0.2 to 0.4. If the ratio H2 / H1 is less than 0.2, it may be difficult to sufficiently prevent the interference of the first fixing member 332 with respect to the first overlapping portion 1321b because the second height H2 is relatively small. If the ratio H2 / H1 exceeds 0.4, the second height H2 is relatively large, so that the structural stability of the rear cover 30 may be deteriorated, and noise may be generated while being vibrated by an external impact or the like. Alternatively, the second height H2 may be between 0.1 mm and 1 mm. If the second height H2 is less than 0.1 mm, the second height H2 is relatively small and it may be difficult to sufficiently prevent interference of the first fixing member 332 with respect to the first overlapping portion 1321b. If the second height H2 exceeds 1 mm, the second height H2 is relatively large, so that the structural stability of the rear cover 30 may be deteriorated, and noise may be generated while being vibrated by an external impact or the like.

However, the present invention is not limited thereto, and the size of the second height H2, the ratio of the second height H2 to the first height H1, and the like can be variously modified.

The second fixing member 334 fastened to the first fixing member 332 is moved toward the first overlapping portion 1321b of the first fastening portion 1321 or toward the first fixing member 332 from the solar cell module 10 side And is fixed to the first fixing member 332. For example, the second fixing member 334 may be a bolt member fastened to the first fixing member 332, which is a nut member.

More specifically, the second fixing member 334 includes a screw portion 3342 formed with a second screw 334a engaged with the first screw 332a of the first fixing member 332, And may include a head portion 3344 having an area larger than the threaded portion 3342. The screw portion 3342 is a portion for fastening with the first fixing member 332. [ The head portion 3344 has a vertical width and / or a horizontal width larger than the fastening holes 1321d of the first overlapping portions 1321b so that the first overlapping portions 1321b provided with the fastening holes 1321d are overlapped So that it can be fixed between the portion 1322b and the head portion 3344.

The first width W1 of the fastening hole 1321d may be larger than the width W2 of the first fixing member 332 in this embodiment. Here, the width may mean a length measured along the left-right direction of the display module 10. [ Since the first width W1 of the fastening hole 1321d is larger than the second width W2 of the first fastening member 332 as described above, the first fastening member 332 moves left and right in the fastening hole 1321d .

8, the fastening hole 1321d includes a first hole S1 having a shape corresponding to one side of the first fixing member 334 and a second hole S1 having a shape corresponding to the other side of the first fixing member 334. [ A second hole S2 and a spare hole S3 located between the first hole S1 and the second hole S2. The spare hole portion S3 has a third width W3 which is a width corresponding to the moving distance of the first fixing member 334 while having a vertical width corresponding to the width W of the first fixing member 334 in the vertical direction, As shown in FIG. At this time, the difference between the first width W1 and the second width W2 corresponds to the third width W3. The fastening hole 1321d is provided with the clearance hole S3 so that the first fixing member 334 can be moved to the left or right as far as the third width W3.

In the drawing, a case where the plane shape of the first fixing member 334 is circular is exemplified. In this case, the first hole S1 may have a semicircular shape, the second hole S2 may have a semicircular shape, and the third hole S3 may have a rectangular shape. However, the present invention is not limited thereto, and the shapes of the first through third holes S1, S2, and S3 may be variously modified in consideration of the shape and the like of the first fixing member 334.

For example, the ratio W1 / W2 of the first width W1 of the fastening hole 1321d to the second width W2 of the first fixing member 334 may be 1.2 to 1.8. If the ratio W1 / W2 is less than 1.2, the moving distance to the right and left is insufficient, so that the shape of the rear cover 30 may not change smoothly when the display module 10 changes shape. If the ratios W1 and W2 exceed 1.8, the coupling hole 1321d may have an unnecessarily large width, which may deteriorate the structural stability. In addition, the coupling hole 1321d may be visible from the outside, It may be necessary to increase the size of the antenna. Alternatively, a value obtained by subtracting the second width W2 of the first fixing member 334 from the first width W1 of the fastening hole 1321d (i.e., the third width W3 of the third hole portion S3) And may be 0.1 mm to 10 mm. If the third width W3 is less than 0.1 mm, the distance of movement to the right and left is insufficient, so that the shape of the rear cover 30 may not change smoothly when the display module 10 changes shape. If the third width W3 exceeds 10 mm, the fastening hole 1321d may have an unnecessarily large width, which may deteriorate the structural stability. In addition, the fastening hole 1321d may be seen from the outside, It may be necessary to increase the size of the antenna.

However, the present invention is not limited thereto, and the first width W1, the second width W2, the third width W2, and the ratios thereof may be variously modified.

Since the first fixing portion 332 can be moved by a predetermined distance in the fastening hole 1321d after the fastening, the first divided portion 341a and the second divided portion 342a can be stably fixed to each other, 10, the distance between the first divisional area 341a and the second divisional area 342a may be increased or decreased. This makes it possible to cope flexibly with the distance between the divided regions 34 and the width of the divided portion 32.

At this time, the first and second fixing members 332 and 334 are coupled to each other to fix and connect the plurality of divided regions 34, so that the rear cover 30 can be integrated into one structure. If the bolt member and the nut member are used for the first and second fixing members 332 and 334, the fastening structure can be made more simple and robust.

At this time, in the divided region 34 located at the outermost periphery, a fixing portion (for example, a screw hole) for fixing the frame portion 10 to the outermost edge can be located. And the first fastening portion 1321 or the second fastening portion 1322 may be located at the inner edge. One of the first and second fastening portions 1321 and 1321 is positioned at both sides of the central divided region 343a located in the center and the central divided region 343a and the divided region 34 positioned at the outermost position The first fastening portion 1321 may be positioned at one side edge and the second fastening portion 1322 may be positioned at the other side edge. Thus, the plurality of divided regions 34 can be connected to each other.

In the drawing, the first fastening portion 1321 is located at the inner edge of the divided region 34 located at the outermost position, the second fastening portion 1322 is located at both side edges of the central divided region 343a, The second fastening portion 1322 is located at the outer edge of the region 34 and the first fastening portion 1321 is located at the center edge. Then, the rear cover 30 can be assembled by fastening the divided regions 34 in order from the outermost divided region 34 and then fastening the middle divided region 343c. In this case, the manufacturing process can be simplified, and the divided regions 34 can be symmetrical with respect to the central divided region 343c to improve the structural stability, and the plurality of divided regions 34 can be formed by the family mold, The rear cover 30 can be easily manufactured.

The divided areas 34 of the rear cover 30 should be made of a material that is strong enough to form the rear surface of the display device 100 and is light and easy to deform. The divided regions 34 may include various metals or resins and the like. As the metal, aluminum which is light and suitable for shape deformation can be used, and rubber can be used as the resin. In this embodiment, the first and second fastening portions 1321 and 1322 may be formed so as to have an integral structure with the divided region 34 so as to form a part of the divided region 34. Thus, the structure and manufacturing process of the divided region 34 can be simplified. However, the present invention is not limited thereto, and various modifications are possible, for example, the fastening portions 1321 and 1322 are fixed on the divided region 34 after being manufactured to form a separate portion from the divided region 34. In this embodiment, the first and second overlapping portions 1321b and 1322b, to which the fixing members 332 and 334 are fastened, are spaced apart from the main body portion 34a of the divided region 34 by a predetermined distance, And the second projecting portions 1321a and 1322a form a constant step. However, the present invention is not limited thereto, and various modifications are possible, such as not including the first and second projecting portions 1321a and 1322a, and not including the step.

A change in the shape of the display device 100 will be described in more detail with reference to FIG. 9 is a view for explaining a shape change of a display device according to an embodiment of the present invention. 9 is a cross-sectional view cut along the line VIII-VIII of FIG.

9 (a), the display module 10 has a flat plate shape in a state in which there is no other operation. At this time, the central portion of the deformable member 20 is fixed by the fixing member 24a, and the deformable member 20 may be positioned more protruding from the center portion than the left and right edges toward the rear surface. Accordingly, the shape of the display module 10 can be more easily deformed.

When the user gives an instruction to change the shape, the deformable member 20 operates by the element driving the deformable member 20 in the panel driving unit. For example, in this embodiment, when the temperature of the deforming portion 22 is increased by flowing a current through the deforming portion 22 of the deformable member 20, the length of the deformable portion 22 formed of the shape memory alloy is reduced, Thereby giving a force to retract the central portion while projecting the left and right edge portions of the body 10. Then, as shown in FIG. 9 (b), the display module 10 is transformed into a curved surface having a curvature R in the left-right direction, so that the user's immersion feeling can be further improved. At this time, the rear cover 30 fixed to the display module 10 is also deformed to have a curved surface. The shape of the rear cover 30 can be easily adjusted by the fixing member 330 because the divided region 34 is connected by the fixing member 330 so that the distance between the divided regions 34 or the distance between the divided portions 32 can be easily adjusted, It can change. When the display device 100 is deformed to a desired shape, the stopper member can be used to maintain this state.

9 (a), when the user releases the lock of the stopper member or restrains the current supply to the deforming portion 22, the deformed portion 22 return to the initial state.

As described above, in the present embodiment, since the rear cover 30 has the plurality of divided regions 34 partitioned by the divided portion 32, the shape of the rear cover 30 is integrated with the display module 10 by a small force, . Accordingly, power consumption for changing the shape of the display module 10 or the display device 100 can be minimized, and it is possible to uniformly deform the display module 10 or the display device 100 to have a desired shape. At this time, since the plurality of divided regions 34 are fixed in a state where they are connected to each other by the fixing member 330, the rear cover 30 can be integrated to simplify the structure and improve ease of handling.

At this time, if the bolt member and the nut member are used for the first and second fixing members 332 and 334, the fastening structure can be made more simple and robust. The width and height of the first and second fastening members 332 and 334 and the fastening hole 1321d are limited so that the shape of the rear cover 30 can be easily changed can do. The first and second fixing members 332 and 334 are disposed on the first and second overlapping portions 1321b and 1321b of the first and second fastening portions 1321 and 1322 overlapping with each other inside the outer surface of the rear cover 30 And 1322b so that the fastening holes 1321d and the like can be made invisible to the user even if the shape of the rear cover 30 changes.

Features, structures, effects and the like according to the above-described embodiments are included in at least one embodiment of the present invention, and the present invention is not limited to only one embodiment. Further, the features, structures, effects, and the like illustrated in the embodiments may be combined or modified in other embodiments by those skilled in the art to which the embodiments belong. Therefore, it should be understood that the present invention is not limited to these combinations and modifications.

100: display device
10: Display module
12: Display panel
14: Support member
20: variable member
22:
24:
30: Rear cover
32: Split installment
34:
330: Fixing member
332: first fixing member
334: second fixing member

Claims (20)

A display module in which an image is implemented;
A deformable member changing the shape of the display module; And
And a rear cover which is located on a rear surface of the display module and includes a plurality of divided areas divided by a partitioning part,
Lt; / RTI >
Wherein the plurality of divided areas are connected to each other by a fixing member,
Wherein the fixing member includes a first fixing member and a second fixing member which are engaged with each other. The method according to claim 1,
And the rear cover is integrally connected. The method according to claim 1,
Wherein the plurality of divided areas include a first divided area and a second divided area which are adjacent to each other,
Wherein the first division area includes a first engagement part formed on one side adjacent to the second division area,
Wherein the second division region includes a second fastening portion formed on one side adjacent to the first division region,
And the fixing member is fastened to the first fastening portion and the second fastening portion to fix them movably. The method of claim 3,
Wherein the fixing member is located at a portion where the first division region and the second division region are overlapped with each other. The method of claim 3,
Wherein the first fastening portion has a fastening hole,
Wherein the fixing member includes a first fixing member projecting from the second fastening portion and formed to penetrate the fastening hole and a second fastening member inserted from the first fastening portion side and fastened to the first fastening member Display device. 6. The method of claim 5,
Wherein the first fixing member includes a nut member having a first screw formed on an inner surface thereof,
Wherein the second fixing member includes a bolt member having a screw portion on which a second screw to be engaged with the first screw of the nut member is formed and a head portion connected to the screw portion and having a larger area than the screw portion. The method according to claim 6,
And a gap is located between the head portion and the first fastening portion. 6. The method of claim 5,
Wherein the first fixing member protrudes more toward the display module than the first fixing portion. 9. The method of claim 8,
Wherein a ratio of a height of a portion of the first fixing member protruding from the first fastening portion to a height of the first fastening member is 0.2 to 0.4. 9. The method of claim 8,
Wherein the first fixing member protrudes more than the first fastening portion by 0.1 mm to 1 mm toward the display module. 6. The method of claim 5,
Wherein the fastening hole has a width larger than that of the first fixing member. 12. The method of claim 11,
Wherein the fastening hole has a first hole portion corresponding to one side of the first fixing member, a second hole portion corresponding to the other side of the first fixing member, and a second hole portion located between the first hole portion and the second hole portion, A display device comprising: 12. The method of claim 11,
Wherein a ratio of a width of the first fixing member to a width of the fastening hole is 1.2 to 1.8. 12. The method of claim 11,
Wherein a difference between a width of the first fixing member and a width of the fastening hole is 0.1 mm to 10 mm. 6. The method of claim 5,
And the first fixing member is formed integrally with the second fastening portion. The method according to claim 6,
Wherein the head portion has at least one of a longitudinal width and a lateral width greater than the fastening hole. The method of claim 3,
Wherein the first fastening portion includes a first projecting portion projecting toward the display module and a first overlapping portion extending from the first projecting portion and overlapping the second sub-region,
Wherein the second fastening portion includes a second projecting portion projecting toward the display module and a second overlapping portion extending from the second projecting portion and overlapping the first overlapping portion,
Wherein a fastening hole in which the fixing member is located is formed in the first overlapping portion. The method of claim 3,
Each of the first divided area and the second divided area extending in the vertical direction of the display device,
Wherein the first fastening portion and the second fastening portion are respectively elongated in the vertical direction of the display device. In the rear cover located on the rear surface of the display module,
And a plurality of divided areas partitioned by the partitioning part,
Wherein the plurality of divided areas are connected to each other by a fixing member,
Wherein the fixing member includes a first fixing member and a second fixing member that are engaged with each other. 20. The method of claim 19,
Wherein the first fixing member includes a nut member,
And the second fixing member comprises a bolt member.

Images