KR20200049321A - Display apparatus and multi screen display apparatus comprising the same - Google Patents

Abstract

The present application provides a display device having a minimized bezel area and a multi-screen display device using the same. A display device according to one example of the present invention comprises: a display module including a display part having a main display part and a bending display part bent from the main display part; a back plate coupled to a rear surface of the display module to overlap the main display part; a bending frame supporting the back plate and supporting the bending display part; and a mirror frame having a mirror part supporting the bending frame and overlapping a part of the bending display part.

Description

A display device and a multi-screen display device including the same {DISPLAY APPARATUS AND MULTI SCREEN DISPLAY APPARATUS COMPRISING THE SAME}

The present application relates to a display device and a multi-screen display device including the same.

With the advent of the information age, a display device displaying a large amount of information has rapidly developed, and in recent years, flat panel display devices such as liquid crystal display devices or organic light emitting display devices having excellent performance of thinning, lightening, and low power consumption have been widely used. It is spreading.

Conventional display devices include an active area (or display area) and an inactive area (or non-display area) provided around the active area. Such a conventional display device includes a bezel area corresponding to an inactive area.

Recently, a multi-screen display device has been commercialized to realize a large display screen by arranging a plurality of screen devices composed of a conventional display device in a grid form.

However, in a conventional multi-screen display device, a boundary portion called a seam exists between display devices connected to each other due to a bezel region of a plurality of display devices. When a single image is displayed on the entire screen, such a boundary portion gives a feeling of disconnection on the entire screen, thereby reducing the immersion of the image.

An object of the present application is to provide a display device having a minimized bezel area and a multi-screen display device using the same.

An object of the present application is to provide a multi-screen display device in which a boundary portion between display devices is removed or minimized.

A display device according to an example of the present application supports a display module including a main display unit and a display unit having a bending display unit bent from the main display unit, a back plate coupled to the rear surface of the display module so as to overlap the main display unit, and a bending and back plate It may include a bending frame for supporting the display portion, and a mirror frame for supporting the bending frame and having a mirror portion overlapping a part of the bending display portion.

A multi-screen display device according to an example of the present application includes a plurality of display devices coupled to each other side by side, and each of the plurality of display devices includes a display module including a main display unit and a display unit having a bending display unit bent from the main display unit , A back plate coupled to the rear surface of the display module so as to overlap with the main display unit, a bending frame supporting the back plate and supporting the bending display unit, and a mirror frame supporting the bending frame and having a mirror portion overlapping a part of the bending display unit The bending display units of adjacent display devices may be arranged side by side facing each other.

According to the present application, it is possible to provide a display device having a minimized bezel area and a multi-screen display device using the same, and to provide a multi-screen display device in which boundaries between the display devices are removed or minimized.

In addition to the effects of the present application mentioned above, other features and advantages of the present application are described below, or will be clearly understood by those skilled in the art from the description and description.

1 is a cross-sectional view illustrating a display device according to an example of the present application.
2 is a plan view illustrating a display module according to an example of the present application illustrated in FIG. 1.
3 is a cross-sectional view of line I-I 'shown in FIG. 2.
4 is a view for explaining the bending frame and the mirror frame shown in FIG. 1.
5 is an enlarged cross-sectional view of part A shown in FIG. 1.
6A to 6C are diagrams illustrating an image display process of a display device according to an example of the present application.
7 is a cross-sectional view illustrating a display device according to another example of the present application.
8 is an enlarged view of a portion B shown in FIG. 7.
9 is a cross-sectional view illustrating a display device according to another example of the present application.
FIG. 10 is an enlarged view of a portion C shown in FIG. 9.
11 is a cross-sectional view illustrating a display device according to another example of the present application.
FIG. 12 is an enlarged view of a portion D shown in FIG. 11.
13 is a plan view illustrating a multi-screen display device according to an example of the present application.
14 is a cross-sectional view taken along line II-II 'shown in FIG. 13.
15 is a diagram for describing an image displayed on a multi-screen display device according to an example of the present application.

Advantages and features of the present application, and a method of achieving them will be clarified with reference to examples described below in detail together with the accompanying drawings. However, the present application is not limited to the examples disclosed below, but will be implemented in various different forms, and only the examples of the present application allow the disclosure of the present application to be complete, and are generally in the art to which the invention of the present application pertains. It is provided to fully inform the person of knowledge of the scope of the invention, and the invention of the present application is only defined by the scope of the claims.

The shapes, sizes, ratios, angles, numbers, etc. disclosed in the drawings for explaining an example of the present application are exemplary, and the present application is not limited to the illustrated matters. The same reference numerals refer to the same components throughout the specification. In addition, in describing an example of the present application, when it is determined that a detailed description of related known technologies may unnecessarily obscure the subject matter of the present application, the detailed description will be omitted.

When 'include', 'have', 'consist of' and the like mentioned in this specification are used, other parts may be added unless '~ man' is used. When a component is expressed as a singular number, the plural number is included unless otherwise specified.

In interpreting the components, it is interpreted as including the error range even if there is no explicit description.

In the case of the description of the positional relationship, for example, when the positional relationship of two parts is described as '~ top', '~ upper', '~ bottom', '~ side', etc., 'right' Alternatively, one or more other parts may be located between the two parts unless 'direct' is used.

In the case of a description of a time relationship, for example, 'after', 'following', '~ after', '~ before', etc. When a temporal sequential relationship is described, 'right' or 'direct' It may also include cases that are not continuous unless it is used.

The first, second, etc. are used to describe various components, but these components are not limited by these terms. These terms are only used to distinguish one component from another component. Accordingly, the first component mentioned below may be the second component within the technical spirit of the present application.

It should be understood that the term “at least one” includes all possible combinations from one or more related items. For example, the meaning of "at least one of the first item, the second item, and the third item" means 2 of the first item, second item, or third item, as well as the first item, second item, and third item, respectively. It can mean any combination of items that can be presented from more than one dog.

Each of the features of the various examples of the present application may be partially or totally combined or combined with each other, technically various interlocking and driving may be possible, and each of the examples may be independently implemented with respect to each other or may be implemented together in an associative relationship. .

Hereinafter, preferred examples of the display device according to the present application and a multi-screen display device including the same will be described in detail with reference to the accompanying drawings. In adding reference numerals to the components of each drawing, the same components may have the same reference numerals as possible even though they are displayed on different drawings.

1 is a cross-sectional view illustrating a display device according to an example of the present application.

Referring to FIG. 1, the display device 10 according to an example of the present application may include a display module 100, a back plate 200, a bending frame 300, and a mirror frame 400.

The display module 100 may be a display module of a flexible flat panel display device. In the following description, it is assumed that the display module 100 is a flexible light emitting display module.

The display module 100 according to an example may include a flexible display panel 110 and a back cover 130.

The flexible display panel 110 may include a display unit DP and a non-display unit.

The display unit DP may include a main display unit MDP and a bending display unit BDP.

The main display unit MDP may display an image in a flat state. Since the main display unit MDP maintains a flat state, it may be defined as a flat display unit.

The bending display unit BDP may be bent from the main display unit MDP to have a constant radius of curvature to display an image in a curved state. Since the bending display unit BDP maintains a non-planar state, it may be defined as a non-planar display unit or a curved display unit. For example, the bending display unit BDP may be bent to have a constant radius of curvature, which is disposed on first and second edge portions of the display unit DP, which are parallel to each other.

The bending display unit BDP according to an example may include a curved display unit CDP and a reflective display unit RDP.

The curved display unit CDP may be bent from the main display unit MDP to have a constant radius of curvature, and may be disposed in a curved form on a part of the side surface of the display device 10. The curved display unit (CDP) is an area that a user (or viewer) can recognize as an edge portion (or bezel area) of the display unit DP when viewed from the front (or front) of the display device 10. , May be included in the front viewing angle of the display device 10. The curved display unit CDP may display an image in a curved state.

The reflective display unit RDP may be bent to be inclined at a predetermined angle from the curved display unit CDP, and may be disposed in an inclined state on the rest of the side surface of the display module 100. When viewed from the front (or front) of the display device 10, the reflective display unit RDP is an area that the user (or viewer) cannot recognize, and is not included in the front viewing angle of the display device 10. The reflective display unit RDP displays an inverted image in an inclined state. In this case, the inverted image may be defined as an image in which the original image displayed on the reflective display unit RDP is inverted in the first direction X or the left and right directions. The reflective display unit RDP may be defined as an area in which an image reflected by the mirror frame 400 among the images displayed on the display unit DP of the flexible display panel 110 is displayed to the user.

The bending display unit BDP according to an example includes a first bending display unit BDP1 disposed on a first edge portion of the display unit DP and a second bending display unit BDP2 disposed on a second edge portion of the display unit DP. It may include. Each of the first bending display unit BDP1 and the second bending display unit BDP2 may include a curved display unit CDP and a reflective display unit RDP. In this case, the first bending display unit BDP1 may be represented by a left bending display unit, and the second bending display unit BDP2 may be represented by a right bending display unit.

The non-display unit is disposed to surround the display unit DP, and may be defined as an area in which an image is not displayed.

The back cover 130 may be coupled to the back side (or back side) of the flexible display panel 110 through a cover adhesive member. The back cover 130 supports the rear surface of the flexible display panel 110 and increases the rear rigidity and side rigidity of the flexible display panel 110 from external physical impact. Here, the cover adhesive member may be an optically clear adhesive (OCA), an optically clear resin (OCR), or a pressure sensitive adhesive (PSA).

The back cover 130 according to an example may include a thin metal plate made of a metal material. The back cover 130 according to another example may include a mesh plate or a porous plate having a plurality of open portions. For example, the back cover 130 is made of any one of aluminum (Al) material, magnesium (Mg) material, aluminum (Al) alloy material, magnesium (Mg) alloy material, and magnesium lithium (Li) alloy material It can be done.

The back cover 130 according to an example may include a main cover part 131 and an extension part 133.

The main cover part 131 may be coupled to the rear surface of the flexible display panel 110 so as to overlap the display part DP of the flexible display panel 110. The main cover part 131 supports the main display part MDP and the bending display part BDP of the flexible display panel 110 while increasing the rigidity of the flexible display panel 110.

The extension part 133 may be extended from the main cover part 131 to have a constant length. The extension part 133 serves as a handle for clamping the display module 100 during a bending process of bending the bending display part BDP of the flexible display panel 110 with a constant radius of curvature. That is, in the bending process of the flexible display panel 110, when the flexible display panel 110 is directly clamped and bent, the flexible display panel 110 may be damaged, so the extension portion 133 of the back cover 130 may be damaged. ) May serve as a handle for stably bending the flexible display panel 110 without damaging the flexible display panel 110. The extension portion 133 may be represented by a wing portion or a clamping portion.

The extension part 133 according to an example includes a first extension part 133a extending from the first side of the main cover part 131 overlapping the first bending display part BDP1 of the flexible display panel 110, and the flexible part A second extension part 133b extending from the second side of the main cover part 131 overlapping the second bending display part BDP2 of the display panel 110 may be included.

The back plate 200 may be coupled to the rear surface (or rear surface) of the display module 100 so as to overlap with the main display unit MDP of the flexible display panel 110. The back plate 200 may maintain the main display unit MDP of the flexible display panel 110 in a flat state. The back plate 200 according to an example may have a size corresponding to the main display unit MDP of the flexible display panel 110, and may include a plastic material, a glass material, or a metal material. For example, the back plate 200 may include a plastic material such as polyethyleneterephthalate (PET) to minimize the weight increase of the display device.

The bending frame 300 supports the bending display unit BDP of the back plate 200 and the flexible display panel 110. The bending frame 300 guides the bending display unit BDP of the display module 100 to be bent in a curved shape having a constant radius of curvature, and maintains a bending shape of the bending display unit BDP bent in a curved shape.

The bending display unit BDP of the display module 100 may be bent in a curved shape according to a bending guide of the bending frame 300. In this case, the curved display unit CDP among the bending display units BDP of the display module 100 may be included in a front viewing angle of the display apparatus 10 by bending in a curved shape having a constant radius of curvature. In addition, the reflective display unit RDP among the bending display units BDP of the display module 100 is obscured by the bending frame 300 by being inclined at a certain angle and is not included in the front viewing angle of the display apparatus 10. That is, the reflective display unit RDP is superimposed on the bending frame 300 so that it is not recognized by the user (or viewer) when viewed from the front side of the display device 10.

The extended portion 133 of the back cover 130 of the display module 100 is disposed at the rear edge portion of the bending frame 300, so that the user (or viewer) when viewed from the front of the display device 10 It is not recognized by.

The bending frame 300 according to an example supports the first bending frame 300a supporting the first bending display unit BDP1 of the display module 100 and the second bending display unit BDP2 of the display module 100. It may include a second bending frame (300b).

The mirror frame 400 is coupled to the back (or back) of the bending frame 300 and overlaps a portion of the bending display unit BDP of the flexible display panel 110 to display a part of the image displayed on the bending display unit BDP. It may include a mirror portion for reflecting in the front direction of the module 100. That is, the mirror frame 400 is coupled to the rear side (or back side) of the bending frame 300 and displays the image displayed on the reflective display unit RDP of the flexible display panel 110 in front of the display module 100. It can be reflected in the direction.

The mirror frame 400 according to an example, while supporting the first bending frame 300a, reflects an image displayed on the reflective display unit RDP of the first bending display unit BDP1 of the display module 100. And a second mirror frame 400b that reflects an image displayed on the reflective display unit RDP of the second bending display unit BDP2 of the display module 100 while supporting the second bending frame 300b. can do. The image reflected by the mirror frame 400 may be the outermost image (or reflected image) continuously displayed on the curved display unit (CDP), which is a user (or viewer) looking at the front of the display device 10 It may be recognized as the outermost image of the display device 10 that is continuously displayed on the curved display unit (CDP).

The display device 10 according to an example of the present application may further include at least one reinforcing frame 500.

The at least one reinforcing frame 500 may reinforce the rigidity of the display module 100 and the back plate 200 by supporting the rear side (or back side) of the back plate 200 except for the edge portion. At least one reinforcing frame 500 according to an example is disposed between the first bending frame 300a and the second bending frame 300b so as to be parallel to the first direction X and coupled with the rear surface of the back plate 200 Can be. Optionally, at least one reinforcing frame 500 may be coupled to each of the first bending frame 300a and the second bending frame 300b to support the back side of the back plate 200.

The display device 10 according to an example of the present application may further include a plurality of modular brackets 600.

Each of the plurality of modular brackets 600 has a second direction (Y) intersecting with the first direction (X) or a rear surface of the bending frame 300 (or a predetermined distance along the length direction of the bending frame 300) (or It can be installed on the back). For example, each of the plurality of modular brackets 600 may be fixed to the back of the bending frame 300 by screws. Each of the plurality of modular brackets 600 according to an example has a cross section of a “┏” or “┏” shape including a fixing part fixed to the rear surface of the bending frame 300 and a coupling part bent vertically from one side of the fixing part Can have When each of the plurality of modular brackets 600 constitutes the display device 10 according to an example of the present application as a multi-screen display device, the plurality of display devices 10 may be defined as structures for coupling side surfaces to each other. Can be.

As such, in the display device 10 according to an example of the present application, a bezel minimized by bending a bending display unit BDP of the display module 100 in a curved shape and reflecting some images displayed on the bending display unit BDP. It can have an area or zero the bezel area. That is, the display device 10 according to an example of the present application is disposed on the outermost portion of the display unit DP and the image displayed on the reflective display unit RDP covered by the bending frame 300 is displayed on the mirror frame 400. By being reflected and provided to the user, the minimized bezel area may be provided or the bezel area may be zeroed.

2 is a plan view illustrating a display module according to an example of the present application illustrated in FIG. 1, and FIG. 3 is a cross-sectional view of line I-I 'shown in FIG. 2.

2 and 3, the display module 100 according to an example of the present application may include a flexible display panel 110, a back cover 130, and a panel driving circuit unit 150.

The flexible display panel 110 may include a first substrate 111, a pixel array unit 113, an encapsulation unit 115, and a second substrate 117.

The first substrate 111 may be defined as a base substrate made of a flexible material. For example, the first substrate 111 may include a transparent flexible polyimide material or a transparent flexible glass material.

The first substrate 111 may include a display unit DP on which an image is displayed and a non-display unit NDP on which an image is not displayed.

The display unit DP may include a main display unit MDP having a flat state and a bending display unit BDP having a non-planar state. The bending display unit BDP may include a curved display unit CDP including a curved shape and a reflective display unit RDP inclined at a constant angle from the curved display unit CDP. Since the display unit DP is the same as the display unit illustrated in FIG. 1, a duplicate description thereof will be omitted.

The non-display unit NDP may be defined at an edge portion of the first substrate 111 to surround the display unit DP.

A buffer film 112 may be formed on the first surface of the first substrate 111. The buffer film 112 may be formed on the entire first surface of the first substrate 112 to block moisture from penetrating the pixel array unit 113 through the first substrate 111. The buffer film 112 according to an example may be formed of a plurality of inorganic films alternately stacked. For example, the buffer film 112 may be formed of a multilayer film in which one or more inorganic films of a silicon oxide film (SiOx), a silicon nitride film (SiNx), and a silicon oxynitride film (SiON) are alternately stacked. The buffer film 112 may be omitted.

The pixel array unit 113 may be disposed on the first surface of the first substrate 111 or on the display unit DP defined on the buffer layer 112.

The pixel array unit 113 may include gate lines, data lines, driving power lines, and pixels arranged on the display unit DP.

The gate lines and the data lines may be disposed on the first substrate 111 to cross each other. The driving power lines may be disposed on the first substrate 111 in parallel with the data lines or gate lines.

Pixels according to an example may be formed in a stripe structure on the display unit DP. In this case, one unit pixel may include a red pixel, a green pixel, and a blue pixel, and further include a white pixel.

Pixels according to another example may be formed in a pentile structure on the display unit DP. In this case, one unit pixel may include at least one red pixel, at least one green pixel, and at least one blue pixel arranged in a polygonal shape on a plane. For example, in one unit pixel having a pentile structure, one red pixel, two green pixels, and one blue pixel may be arranged in an octagonal plane, in which case the blue pixel has the largest size. And the green pixel may have the smallest size.

Each of the pixels may include a pixel driving circuit and a light emitting element.

The pixel driving circuit is provided in a pixel area defined by the intersection of gate lines and data lines, and may include at least two thin film transistors and at least one capacitor. The pixel driving circuit emits a light emitting element according to a gate signal supplied from an adjacent gate line, a driving power source supplied from an adjacent drive power line, and a data signal supplied from a data line.

The thin film transistor is provided in the transistor region of each pixel region defined on the first substrate 111 and may include a gate electrode, a gate insulating layer, a semiconductor layer, a source electrode, and a drain electrode. Here, the semiconductor layer of the thin film transistor may include silicon such as a-Si, poly-Si, or low-temperature poly-Si, or an oxide such as Indium-Gallium-Zinc-Oxygen (IGZO).

The light emitting element unit may emit light according to a data signal supplied from a pixel driving circuit of a corresponding pixel. Light emitted from the light emitting element may pass through the first substrate 111 and be extracted to the outside. The light emitting device unit may include a first electrode electrically connected to a pixel driving circuit of a corresponding pixel, a light emitting device formed on the first electrode, and a second electrode electrically connected to the light emitting device.

The first electrode is patterned to overlap an opening area defined in each pixel area, and is electrically connected to the driving thin film transistor of the pixel driving circuit. The first electrode according to an example is formed of a transparent conductive material such as indium tin oxide (ITO) or indium zinc oxide (IZO) that can transmit light.

The light emitting device according to an example may include an organic light emitting device formed on the first electrode. The organic light emitting device may be formed in a structure in which a hole injection layer, a hole transport layer, an organic emission layer, an electron transport layer, and an electron injection layer are sequentially stacked. Here, one or more layers of the hole injection layer, the hole transport layer, the electron transport layer, and the electron injection layer may be omitted. The organic light emitting layer may be formed to emit light of the same color for each pixel, for example, white, or may be formed to emit light of different colors, for example, red, green, or blue for each pixel.

The light emitting device according to another example may include a micro light emitting diode device electrically connected to each of the first electrode and the second electrode. The micro light emitting diode device is a light emitting diode implemented in the form of an integrated circuit (IC) or a chip, and may include a first terminal electrically connected to the first electrode and a second terminal electrically connected to the second electrode.

The second electrode is formed to be electrically connected to the light emitting element. The second electrode according to an example may be a common layer formed in common with each light emitting element of the pixels. The second electrode may include a metal material having high reflectance. For example, the second electrode is a stacked structure of aluminum (Al) and titanium (Ti) (Ti / Al / Ti), a stacked structure of aluminum (Al) and ITO (ITO / Al / ITO), APC (Ag / Pd) / Cu) alloy, and APC alloy and a multilayer structure such as ITO (ITO / APC / ITO), or silver (Ag), aluminum (Al), molybdenum (Mo), gold (Au), magnesium ( Mg), calcium (Ca), or barium (Ba) may be selected from any one material or may include a single layer structure made of two or more alloy materials.

The encapsulation portion 115 is formed on the first substrate 111 to surround the pixel array portion 113, thereby preventing oxygen or moisture from penetrating into the light emitting element portion of the pixel array portion 113. The encapsulation unit 115 according to an example may be formed of a multilayer structure in which an organic material layer and an inorganic material layer are alternately stacked. Here, the inorganic material layer may serve to block oxygen or moisture from penetrating into the light emitting element unit of the pixel array unit 113. In addition, the organic material layer may be formed to have a relatively thicker thickness than the inorganic material layer to cover particles that may occur during the manufacturing process. The encapsulation unit 115 may include a first inorganic film, an organic film (or foreign material cover layer) on the first inorganic film, and a second inorganic film on the organic film.

The second substrate 117 is disposed on the encapsulation portion 115 and may be defined as a counter substrate or an encapsulation substrate. The second substrate 117 primarily serves to block oxygen or moisture from penetrating the light emitting element. The second substrate 117 according to an example may have a thickness of 100 micrometers or less so that the flexible display panel 110 can be bent while preventing penetration of oxygen or moisture.

The second substrate 117 according to an example may be a metal foil, a metal sheet, or a metal plate made of an opaque metal material. For example, the second substrate 117 may be made of an alloy material of iron (Fe) and nickel (Ni) having a low thermal expansion coefficient, but is not limited thereto.

The second substrate 117 may be attached to the encapsulation unit 115 through the adhesive layer 116. The adhesive layer 116 according to an example may be a heat-curable or self-curing adhesive. For example, the adhesive layer 116 may be made of a material such as a pressure sensitive adhesive or a barrier pressure sensitive adhesive having a moisture absorption function.

The flexible display panel 110 according to an example may further include a translucent film 119 attached to the first substrate 111.

The transmissive film 119 is attached to the back side (or back side) of the first substrate 111 via a transparent adhesive layer to protect the light exit surface of the flexible display panel 110 while protecting the front side of the flexible display panel 110. ) Increase stiffness. The light-transmitting film 119 according to an example may be made of a flexible film, for example, at least one of a polyethylene terephthalate film, an anti-reflection film, a polarizing film, and a transmittance controllable film. It can be a film.

The transparent adhesive layer may be OCA (Optically Clear Adhesive), OCR (Optically Clear Resin), or PSA (Pressure Sensitive Adhesive).

The flexible display panel 110 according to an example may further include a touch panel for a user interface using a user's touch. The touch panel may be interposed between the first substrate 111 and the transmissive film 170 or may be embedded in the flexible display panel 110 together with a process of forming a pixel array according to an in-cell touch method. .

The flexible display panel 110 according to an example may further include a gate driving circuit 114.

The gate driving circuit 114 may be provided in the non-display area BDP of the first substrate 111. The gate driving circuit 114 generates a gate signal according to the gate control signal provided from the panel driving circuit unit 150 and supplies the gate signal to the gate line corresponding to the set sequence. The gate driving circuit 114 according to an example may be formed in the non-display area BDP of the first substrate 111 together with the thin film transistor. For example, the gate driving circuit 114 may be disposed in at least one of the first non-display area and the second non-display area of the first substrate 111.

The back cover 130 may be attached to the second substrate 117 of the flexible display panel 110. The back cover 130 according to an example includes a main cover part 131 attached to the second substrate 117 of the flexible display panel 110, and first and second extensions extending from the main cover part 131 Parts 133a and 133b may be included. As such, since the back cover 130 is the same as the back cover shown in FIG. 1, a duplicate description thereof will be omitted.

The panel driving circuit unit 150 is connected to a pad unit provided in the third non-display area of the first substrate 111 to display an image corresponding to image data supplied from a display driving system (or host system) to each pixel. . The panel driving circuit unit 150 according to an example includes a plurality of flexible circuit films 151, a plurality of data driving integrated circuits 153, a printed circuit board 155, and a timing control unit 157.

The input terminals provided on one side of each of the plurality of flexible circuit films 151 are attached to the printed circuit board 155 by a film attaching process, and the output terminals provided on the other side of each of the plurality of flexible circuit films 151 are attached with a film. It is attached to the pad portion provided on the first substrate 111 by the process.

Each of the plurality of data driving integrated circuits 153 is individually mounted on each of the plurality of flexible circuit films 151. Each of the plurality of data driving integrated circuits 153 receives pixel data and data control signals provided from the timing control unit 157, and converts pixel data into analog-type pixel-specific data signals according to the data control signals, and corresponds to To the data line.

Each of the plurality of driving integrated circuits 153 may be connected to a touch panel to sense a change in capacitance of the touch sensor to generate touch row data, and provide the generated touch row data to the driving system.

The timing controller 157 is mounted on the printed circuit board 155 and serves to transmit signals and power between components of the panel driving circuit 150. The printed circuit board 155 may include a flexible display panel 110 and a passive element and / or an integrated circuit used to generate voltages required for driving the driving integrated circuit 153 and the timing controller 157. . Here, the passive element may include at least one of a resistor, a capacitor, and an inductor, or a combination thereof. The integrated circuit may include a logic circuit, a power generation circuit, or a clock generation circuit.

The timing control unit 157 is mounted on the printed circuit board 155 and receives image data and timing synchronization signals provided from the display driving system through a user connector provided on the printed circuit board 155. The timing controller 157 aligns the image data with the pixel arrangement structure of the display unit DP based on the timing synchronization signal to generate pixel data, and provides the generated pixel data to a corresponding data driving integrated circuit 153 do. In addition, the timing control unit 157 generates a data control signal and a gate control signal based on the timing synchronization signal, controls the driving timing of each of the plurality of data driving integrated circuits 153 through the data control signal, and controls the gate. The driving timing of the gate driving circuit is controlled through a signal. Here, the gate control signal may be supplied to the corresponding gate driving circuit through the first or / or last flexible circuit film among the plurality of flexible circuit films 151 and the non-display area of the first substrate 111.

The timing controller 157 according to an example extracts original data of an inverted image to be supplied to pixels disposed on the reflective display unit RDP of the display unit DP among image data provided from the display driving system, and extracts the inverted image. The original data of the image is inverted left and right to generate inverted image data and supplied to the first or / and the last data driving integrated circuit 153 of the plurality of data driving integrated circuits 153. For example, when the first to tenth pixels are disposed on the reflective display unit RDP, the timing controller 157 extracts the first to tenth original data to be supplied to the first to tenth pixels from the image data. Then, the order of the first to tenth original data may be rearranged in the order of the tenth to first original data to generate inverted image data.

As such, the flexible display module 100 according to an example of the present application may be supported by the back plate 200 and the bending frame 300, as shown in FIG. 1. In this case, in the flexible display module 100, the main display unit MDP may be supported on the back plate 200 and maintained in a flat state, and the curved display unit CDP of the bending display unit BDP may be a bending frame 300 By this, it can be maintained in a curved shape having a constant radius of curvature, and the reflective display unit RDP of the bending display unit BDP can be maintained in an inclined shape at a constant angle from the curved display unit CDP by the bending frame 300. have. Accordingly, the curved display unit CDP of the main display unit MDP and the bending display unit BDP may be included in the front viewing angle, and the reflective display unit RDP of the bending display unit BDP overlaps the bending frame 300 and thus the front viewing angle. It may not be included, and may not be included in the side viewing angle.

FIG. 4 is a view for explaining the bending frame and the mirror frame illustrated in FIG. 1, which shows the first bending frame and the first mirror frame illustrated in FIG. 1.

4, the bending frame 300 according to an example of the present application may include a first bending frame 300a and a second bending frame 300b. Since the first bending frame 300a and the second bending frame 300b have a symmetrical structure with respect to the center of the display module 100, in the following description, only the first bending frame 300a will be described. 2 The description of the bending frame 300b will be omitted.

The first bending frame 300a according to an example may include a plate support part 310, a first bending guide part 330, a second bending guide part 350, and a frame coupling part 370.

The plate support part 310 supports the edge of the back plate 200. For example, the plate support 310 may be combined with a rear edge portion of the back plate 200 via an adhesive member. In this case, the edge portion of the back plate 200 may overlap the edge portion of the main display portion MDP adjacent to the bending display portion BDP of the display module 100.

In the plate support part 310 according to an example, the edge part may not overlap the back plate 200 but may overlap the bending display part BDP of the display module 100 unfolded in a flat state, and other parts except the edge part May overlap the back plate 200.

The first bending guide part 330 may protrude from a front edge portion of the plate support part 310 to support a curved display part (CDP) among the bending display parts (BDP) of the display module 100. Based on the thickness direction Z of the first bending frame 300a, the top surface of the first bending guide part 330 and the plate support part 310 may be stepped by the thickness of the back plate 200.

The upper portion of the first bending guide portion 330 may protrude from the front edge portion of the plate support portion 310 by the thickness of the back plate 200.

The outer surface of the first bending guide part 330 may have a curved surface shape having a constant radius of curvature. That is, the first bending guide part 330 may be defined as a rounding part provided in a curved shape at an upper edge portion of the protrusion protruding from the front edge of the plate support part 310. For example, the outer surface of the first bending guide portion 330 may have a semicircular shape having an arbitrary radius.

The second bending guide part 350 is formed at a certain angle from the end of the first bending guide part 330 having a curved shape to support the reflective display part RDP among the bending display parts BDP of the display module 100. Can be. That is, the second bending guide part 350 may be defined as a chamfer provided in a diagonal shape on the lower edge portion of the rear edge of the plate support part 310. The second bending guide part 350 may not be exposed to the front of the display device by being overlapped with the first bending guide part 330.

The frame coupling part 370 may be concavely formed at a rear edge portion of the plate support part 310 facing the mirror frame 400. The frame coupling part 370 according to an example is a plate from the first rear part 370a and the first rear part 370a extending from the lower end of the second bending guide part 350 to be parallel to the front surface of the plate support part 310. It may include a first inclined surface (370b) inclined toward the front of the support portion 310, a second rear portion (370c) extending from the end of the inclined surface (370b) to be parallel to the front surface of the plate support (310). The frame coupling part 370 may overlap the extension part 133 of the back cover 130 of the display module 100.

The mirror frame 400 according to an example of the present application may include a first mirror frame 400a and a second mirror frame 400b. Since the first mirror frame 400a and the second mirror frame 400b have symmetrical structures with respect to the center of the display module 100, the following description only describes the first mirror frame 400a. 2 The description of the mirror frame 400b will be omitted.

The first mirror frame 400a according to an example may include a frame support part 410, a mirror arrangement part 430, a mirror part 450, and a bracket coupling part 470.

The frame support part 410 may be inserted into the frame coupling part 370 of the first bending frame 300a and coupled to the plate support part 310 of the first bending frame 300a. The frame support part 410 according to an example includes a first front part 410a overlapping the first rear part 370a of the first bending frame 300a and a second inclined surface 410b inclined from the first front part 410a. ), And a second front portion 410c extending from the second inclined surface 410b so as to overlap with the first rear portion 370a of the first bending frame 300a. The frame support part 410 may support the extension part 133 of the back cover 130 of the display module 100. That is, the first extension portion 133a of the back cover 130 may be disposed between the frame coupling portion 370 of the first bending frame 300a and the frame support portion 410 of the first mirror frame 400a. .

The mirror arrangement part 430 may be formed to be inclined so as to extend from the outer surface of the frame support part 410 and overlap the first bending guide part 330 (or the reflective display part RDP) of the first bending frame 300. have. The mirror placement unit 430 according to an example may include a mirror placement surface 430a.

The mirror placement surface 430a may be inclined at a constant angle θ1 from the first front surface 410a of the frame support 410, but is not limited thereto, and is disposed on the first bending guide part 330 The bending display unit BDP of the display module 100 may have a flat structure according to the angle of the reflective display unit RDP.

The mirror unit 450 is disposed on the mirror arrangement unit 430 and reflects an inverted image displayed on the reflection display unit RDP among the bending display units BDP of the display module 100 toward the front of the display module 100. Accordingly, the inverted image displayed on the reflective display unit RDP of the display module 100 is reflected by the mirror 450 toward the front of the display module 100, thereby being a curved surface among the bending display units BDP of the display module 100. The image may be displayed as a continuous image on the display unit CDP to be provided to the user. The mirror unit 450 according to an example may include a light reflection plate or a light reflection mirror having a relatively high reflectance. A portion of the mirror unit 450 may be exposed outside the outer surface of the display module 100.

The bracket coupling portion 470 may be concave over the rear edge of the frame support 410 and the rear edge of the mirror arrangement 430 adjacent thereto. The bracket coupling portion 470 may be combined with each of the plurality of brackets 600. In this case, each of the plurality of brackets 600 may be coupled to the bracket coupling portion 470 so as to have a constant interval along the second direction Y. The bracket 600 may be coupled to the bracket coupling portion 470 by screws.

FIG. 5 is an enlarged cross-sectional view of part A shown in FIG. 1, which is a view for explaining the angle and length of the mirror.

Referring to FIG. 5, the angle θ2 of the mirror portion 450 disposed in the mirror arrangement portion 430 of the mirror frame 400 according to the present application is a second bending guide of the bending frame 300 having a diagonal shape It may be defined as an angle between the reflective display unit RDP of the display module 100 disposed in the unit 350 and the mirror unit 450. In addition, the length L of the mirror unit 450 according to the present application may be defined as the length of the mirror unit 450 parallel to the first direction. The angle (θ1) and the length (L) of the mirror part 450 are the distance (D) between the front surface of the mirror frame 400 and the front surface of the display module 100 and the first bending guide part of the bending frame 300. It can be determined by the radius of curvature (R) of (330). In this case, the radius of curvature R of the first bending guide portion 330 may be defined as the radius of the arc closest to the curved surface of the first bending guide portion 330.

Each of the angle (θ1) and the length (L) of the mirror unit 450 is determined in the front of the display device, within a range in which screen breakage is minimal and the reflective display unit RDP of the display module 100 is not visible in the front view. Can be. For example, the larger the angle θ1 of the mirror 450 is, the larger the screen breakage area may decrease, but the mirror 450 may be seen in front of the display device. In addition, the length L of the mirror unit 450 may be set to reflect only the reflected image displayed on the reflective display unit RDP of the display module 100. When each of the angle θ1 and the length L of the mirror 450 is relatively large, the reflective display unit RDP of the display module 100 may be viewed at a side viewing angle of the display apparatus 100. On the other hand, when each of the angle θ1 and the length L of the mirror 450 is relatively small, the reflective display unit RDP of the display module 100 is not recognized at the side viewing angle of the display device 100, , The entire inverted image displayed on the reflective display unit RDP of the display module 100 may not be reflected by the mirror unit 450.

According to the experiment, when the radius of curvature R of the first bending guide portion 330 exceeds 2 mm, the angle θ1 of the mirror portion 450 is preferably set within a range of 30 degrees to 60 degrees, The display module 100 is configured such that the reflective display unit RDP of the display module 100 is set to start at a point where the first bending guide unit 330 and the first bending guide unit 330 of the bending frame 300 meet each other. An image displayed on each of the curved display unit CDP and the reflective display unit RDP may be more continuously implemented.

6A to 6C are diagrams illustrating an image display process of a display device according to an example of the present application.

The process of displaying an image of a display device according to an example of the present application is described below with reference to FIGS. 6A to 6C.

First, with respect to the original image shown in FIG. 6A, an image displayed on each of the main display unit MDP, the curved display unit CDP, and the reflective display unit RDP of the flexible display panel is distinguished.

Subsequently, as shown in FIG. 6B, the image displayed on the reflective display unit RDP of the flexible display panel is inverted left and right to display on the flexible display panel. Accordingly, as illustrated in FIG. 6C, an image displayed on each of the main display unit MDP and the curved display unit CDP of the flexible display panel may be output to the front of the display device and provided to the user, and the flexible display panel ( The inverted image displayed on the reflective display unit RDP of 110 may be reflected to the front of the display device by the mirror frame 400 and provided to the user. At this time, the inverted image displayed on the reflective display unit RDP may be displayed in the same manner as the original image by being inverted left and right again as it is reflected by the mirror frame 400.

As such, in the display device 10 according to an example of the present application, a bezel minimized by bending a bending display unit BDP of the display module 100 in a curved shape and reflecting some images displayed on the bending display unit BDP. It can have an area or zero the bezel area.

7 is a cross-sectional view illustrating a display device according to another example of the present application, and FIG. 8 is an enlarged view of a portion B shown in FIG. 7, which are bending of a display module in the display devices shown in FIGS. 1 to 5 The structure of each of the display unit, the bending frame, and the mirror frame is changed. Accordingly, in the following description, redundant descriptions of components other than those related to structural changes of the bending display unit and the bending frame and the mirror frame of the display module will be omitted.

7 and 8, in the display device 20 according to another example of the present application, the bending display unit BDP of the display module 100 may include a curved display unit CDP and a reflective display unit RDP. have.

The curved display unit CDP may be bent to have a relatively small radius of curvature from the main display unit MDP. For example, the curved display unit CDP may be bent to have a radius of curvature of 2 mm or less.

The reflective display unit RDP may be disposed to be inclined at a constant angle from the curved display unit CDP. For example, the reflective display unit RDP may be disposed to be inclined at an angle of 45 degrees or less from the main display unit MDP.

In the display device 20 according to another example of the present application, the bending frame 300 includes a plate support 310, a first bending guide portion 330, a second bending guide portion 350, and a frame coupling portion Can be. The bending frame 300 is illustrated in FIG. 4 except that the first bending guide portion 330 supporting the curved display portion CDP of the display module 100 is formed to have a curved shape having a relatively small radius of curvature. Since it is the same as the bending frame shown in the description, redundant description thereof will be omitted.

In the display device 20 according to another example of the present application, the mirror frame 400 may include a frame support part 410, a mirror arrangement part 430, a mirror part 450, and a bracket coupling part 470. have. Since the mirror frame 400 is the same as the mirror frame illustrated in FIG. 4 except that the mirror arrangement unit 430 is not inclined and is formed in a flat shape, a duplicate description thereof will be omitted.

The angle θ3 between the flat mirror portion 450 and the reflective display portion RDP of the display module 100 may be set to 30 to 60 degrees. Further, the length of the mirror unit 450 may be set according to the length of the reflective display unit RDP of the inclined display module 100.

As such, the display device 20 according to another example of the present application may have the same effect as the display device 10 shown in FIGS. 1 to 5, and the curved display unit (CDP) of the display module 100 is relatively As it is bent with a small radius of curvature, the thickness of the display device 10 shown in FIGS. 1 to 5 may be reduced, and the bezel area may be minimized or zeroed.

9 is a cross-sectional view illustrating a display device according to still another example of the present application, and FIG. 10 is an enlarged view of a portion C shown in FIG. 9, which is a view of a display module in the display devices shown in FIGS. 1 to 5 The structure of each of the bending display unit, the bending frame, and the mirror frame is changed. Accordingly, in the following description, redundant descriptions of components other than those related to structural changes of the bending display unit and the bending frame and the mirror frame of the display module will be omitted.

9 and 10, in the display device 30 according to another example of the present application, the bending display unit BDP of the display module 100 may include a curved display unit CDP and a reflective display unit RDP. Can be.

The curved display unit CDP may be bent to have a relatively small radius of curvature R from the main display unit MDP. For example, the curved display unit CDP may be bent to have a radius of curvature R of 2 mm or less, but is not limited thereto, and may be bent to have a radius of curvature R exceeding 2 mm.

The reflective display portion RDP is vertically disposed from the curved display portion CDP. That is, the reflective display unit RDP is not bent from the curved display unit CDP and is vertically arranged to be parallel to the thickness direction Z of the display module 100.

In the display device 30 according to another example of the present application, the bending frame 300 includes a plate support part 310, a first bending guide part 330, a second bending guide part 350, and a frame coupling part can do. The bending frame 300 is formed except that the second bending guide unit 350 supporting the reflective display unit RDP of the display module 100 is vertically aligned with the thickness direction Z of the display module 100. Since it is the same as the bending frame shown in FIG. 4, a duplicate description thereof will be omitted.

In the display device 30 according to another example of the present application, the mirror frame 400 may include a frame support 410, a mirror placement portion 430, a mirror portion 450, and a bracket coupling portion 470 Can be. The mirror frame 400 protrudes from the front edge portion of the frame support 410 so that the mirror placement portion 430 faces the second bending guide portion 350 of the bending frame 300 and reflects the display module 100 Since it is the same as the mirror frame shown in FIG. 4 except that the mirror arrangement surface 430a is inclined at a constant angle to face the display unit RDP, a duplicate description thereof will be omitted.

The angle θ4 between the mirror unit 450 and the reflective display unit RDP of the display module 100 may be set to 45 degrees. In addition, the length of the mirror unit 450 may be set according to the length of the reflective display unit RDP of the display module 100 parallel to the thickness direction Z of the display module 100.

As such, the display device 30 according to another example of the present application may have the same effect as the display device 10 illustrated in FIGS. 1 to 5, and the reflective display unit RDP of the display module 100 may be The thickness of the display device 10 illustrated in FIGS. 1 to 5 may be reduced as it is disposed on the side surface, and the bezel area may be minimized or zeroed.

11 is a cross-sectional view illustrating a display device according to another example of the present application, and FIG. 12 is an enlarged view of a portion D shown in FIG. 11, which are a display module of the display module shown in FIGS. 1 to 5 The structure of each of the bending display unit, the bending frame, and the mirror frame is changed. Accordingly, in the following description, redundant descriptions of components other than those related to structural changes of the bending display unit and the bending frame and the mirror frame of the display module will be omitted.

11 and 12, in the display device 40 according to another example of the present application, the bending display unit BDP of the display module 100 may include a curved display unit CDP and a reflective display unit RDP. Can be.

The curved display unit CDP may be bent to have a relatively small radius of curvature from the main display unit MDP. For example, the curved display unit CDP may be bent to have a radius of curvature of 2 mm or less. The curved display unit CDP may be disposed to surround the side surface of the bending frame 300.

The reflective display unit RDP may be bent from the curved display unit CDP to be parallel to the main display unit MDP and disposed on the rear edge portion of the bending frame 300.

In the display device 40 according to another example of the present application, the bending frame 300 may include a plate support part 310, a bending guide part 330, and a frame coupling part. In the bending frame 300, a bending guide portion 330 supporting a curved display portion (CDP) of the display module 100 is formed in a curved shape on the outer surface of the plate support portion 310, and the reflection of the display module 100 Since the second bending guide part supporting the display part RDP is omitted, it is the same as the bending frame shown in FIG. 4, and a duplicate description thereof will be omitted. Accordingly, the reflective display unit RDP of the display module 100 may be directly supported on the rear edge of the plate support 310 of the bending frame 300.

In the display device 40 according to another example of the present application, the mirror frame 400 may include a frame support part 410, a mirror arrangement part 430, a mirror part 450, and a bracket coupling part 470. have. Since the mirror frame 400 is the same as the mirror frame illustrated in FIG. 4 except for the mirror arrangement unit 430 and the mirror unit 450, the rest of the configuration is excluding the mirror arrangement unit 430 and the mirror unit 450. Duplicate description of the field will be omitted.

The mirror arrangement part 430 is a first mirror placement surface 430a concavely inclined from the frame support part 410 facing the reflective display part RDP of the display module 100 supported by the bending frame 300, and The second mirror placement surface 430b may be inclined to face the first mirror placement surface 430a.

The first mirror arrangement surface 430a may be concave to be inclined at 45 degrees or less from the top surface of the frame support 410. Accordingly, the angle θ5 between the first mirror arrangement surface 430a and the reflective display unit RDP of the display module 100 may be set to 30 degrees to 60 degrees or less. For example, the angle θ5 between the first mirror arrangement surface 430a and the reflective display unit RDP may be set to 30 degrees.

The second mirror arrangement surface 430b may be formed to be inclined to directly face the first mirror arrangement surface 430a. For example, the second mirror placement surface 430b may have a symmetrical structure with respect to the first mirror placement surface 430a based on the first direction X. In this case, the angle θ6 between the first mirror placement surface 430a and the second mirror placement surface 430b is set according to the inclination of each of the first mirror placement surface 430a and the second mirror placement surface 430b Can be. For example, the angle θ6 between the first mirror placement surface 430a and the second mirror placement surface 430b may be set to 120 degrees.

The mirror unit 450 is a first mirror unit disposed on the first mirror arrangement surface 430a and reflecting an image displayed on the reflection display unit RDP of the display module 100 toward the second mirror arrangement surface 430b ( 450a), and a second mirror portion 450b disposed on the second mirror arrangement surface 430b and reflecting the incident image reflected by the first mirror portion 450a toward the front of the display device 40. Can be. Each of the first mirror portion 450a and the second mirror portion 450b may include a light reflection plate or a light reflection mirror having a relatively high reflectance.

Meanwhile, the image displayed on the reflective display unit RDP of the display module 100 is the display device 40 by the primary reflection by the first mirror unit 450a and the secondary reflection by the second mirror unit 450b. Since it is output to the front, the panel driving circuit part extracts an image to be displayed on the reflection display unit RDP from the original image and displays the image to be displayed on the reflection display unit RDP without image processing to invert left and right.

As such, the display device 40 according to another example of the present application may have the same effect as the display device 10 illustrated in FIGS. 1 to 5, and the reflective display unit RDP of the display module 100 may be As it is disposed on the rear surface, the thickness of the display device 10 illustrated in FIGS. 1 to 5 may be reduced, and a process of processing an image to be displayed on the reflective display unit RDP of the display module 100 may be omitted.

13 is a plan view illustrating a multi-screen display device according to an example of the present application, FIG. 14 is a cross-sectional view of line II-II 'shown in FIG. 13, and FIG. 15 is a multi-screen display device according to an example of the present application As a diagram for explaining the image displayed on the, it is to configure a multi-screen display device using the display device according to an example of the present application shown in FIGS.

13 to 15, the multi-screen display device 1000 according to an example of the present application may include a plurality of display devices 10 coupled to each other side by side by a module coupling member 1200. .

Each of the plurality of display devices 10 includes a display module 100, a back plate 200, a bending frame 300, and a mirror frame 400, which are shown in FIGS. 1 to 5 Since it has the same configuration as (10), a duplicate description thereof will be omitted.

The module coupling member 1200 is a modular bracket 600 coupled to the second mirror frame 400b of the first display device 10 disposed along the first direction X of the plurality of display devices 10 and It is coupled to the modular bracket 600 coupled to the first mirror frame 400a of the second display device 10 adjacent to the first display device 10, and the side surfaces of the first and second display devices 10 are coupled to each other. Order. At this time, a gap holding member 1300 may be interposed between the modular bracket 600 of the first display device 10 and the modular bracket 600 of the second display device 10, and the gap holding member 1300 is The misalignment between the first display device 10 and the second display device 10 may be prevented by excessive coupling force of the module coupling member 1200. The module coupling member 1200 according to an example may include bolts and nuts, but is not limited thereto.

The outer surfaces of each of the second mirror frame 400b of the first display device 10 and the first mirror frame 400a of the second display device 10 coupled to each other by the module coupling member 1200 are Can be contacted. In this case, side contact between the flexible display panel 110 of the first display device 10 and the flexible display panel 110 of the second display device 10 may be prevented.

In the multi-screen display apparatus 1000 according to an example of the present application, an image displayed on the reflective display unit RDP of each of the plurality of display apparatuses 10 is a mirror unit 450 disposed in a corresponding mirror frame 400 It can be continuously displayed without being disconnected from the image displayed on the main display unit MDP and the curved display unit CDP by being reflected. Accordingly, an image reflected by the mirror part 450 of each of the display devices 10 may be displayed at a boundary between adjacent display devices 10 along the first direction X, thereby causing the adjacent display device to be displayed. A boundary portion called a seam between the fields 10 may be substantially removed.

Optionally, each of the plurality of display devices 10 in the multi-screen display device 1000 according to another example of the present application may be changed to the display devices 20, 30, and 40 shown in FIGS. 7 to 12. .

Accordingly, the multi-screen display apparatus 1000 according to an example of the present application may display a single image without disconnection on the entire screen, thereby improving the visual immersion of the image displayed on the large-sized screen. And size scalability can be increased.

The display device according to the present application may be described as follows.

A display device according to an example of the present application supports a display module including a main display unit and a display unit having a bending display unit bent from the main display unit, a back plate coupled to the rear surface of the display module so as to overlap the main display unit, and a bending and back plate It may include a bending frame for supporting the display portion, and a mirror frame for supporting the bending frame and having a mirror portion overlapping a part of the bending display portion.

A part of the mirror according to an example of the present application may be exposed outside the outer surface of the display module.

The bending display unit according to an example of the present application includes a curved display unit bent from the main display unit, and a reflective display unit bent from the curved display unit, and the mirror unit may overlap the reflective display unit.

The bending frame according to an example of the present application includes a plate support portion supporting a rear edge portion of the back plate, a first bending guide portion protruding from the front edge portion of the plate support portion and supporting a curved display portion, and an inclination from the first bending guide portion And a second bending guide part supporting the reflective display part.

A mirror frame according to an example of the present application includes a frame support portion supporting a bending frame, and a mirror arrangement portion extending from an outer surface of the frame support portion and having an inclined mirror arrangement surface overlapping the reflection display portion, and the mirror portion is a mirror arrangement surface Can be placed on. In this case, the angle between the reflective display portion and the mirror portion may be 30 degrees to 60 degrees.

A mirror frame according to an example of the present application includes a frame support portion supporting a bending frame, and a mirror arrangement portion extending from an outer surface of the frame support portion and having a mirror arrangement surface of a plane shape overlapping with the reflection display portion, and the mirror portion is arranged with a mirror It can be placed on the face.

The bending frame according to an example of the present application is parallel to a plate support portion supporting a rear edge portion of the back plate, a first bending guide portion protruding from a front edge portion of the plate support portion and supporting a curved display portion, and a thickness direction of the display module It may be formed vertically so as to include a second bending guide portion for supporting the reflective display.

The mirror frame according to an example of the present application includes a frame support portion supporting a bending frame, and a mirror placement surface protruding from a front edge portion of the frame support portion to face the second bending guide portion of the bending frame and inclined to face the reflective display portion. It has a mirror arrangement portion, and the mirror portion may be disposed on the mirror arrangement surface.

The bending frame according to an example of the present application includes a plate support portion supporting the rear edge of the back plate, and a bending guide portion formed in a curved shape on the outer surface of the plate support portion and supporting the curved display portion, and the reflective display portion of the display module It may be supported on the rear edge portion of the plate support.

The mirror frame according to an example of the present application is configured to face the first mirror placement surface and the first mirror placement surface that are concavely inclined from the frame support that supports the bending frame and the frame support that faces the rear edge portion of the plate support. It includes a mirror arrangement portion having an inclined second mirror arrangement surface, and the mirror portion may include a first mirror portion disposed on the first mirror arrangement surface, and a second mirror portion disposed on the second mirror arrangement surface.

A display module according to an example of the present application includes a flexible display panel having a main display unit and a bending display unit, and a back cover coupled to the display panel, wherein the back cover includes a main cover unit overlapping the display unit of the flexible display panel, and a main unit It may include an extension portion extending from the cover portion and disposed between the bending frame and the mirror frame.

The display device according to an example of the present application may further include at least one reinforcing frame coupled to the rest of the back plate except for the rear edge portion.

The display device according to an example of the present application may further include a plurality of modular brackets coupled to the mirror frame.

A multi-screen display device according to an example of the present application includes a plurality of display devices coupled to each other side by side, and each of the plurality of display devices includes a display module including a main display unit and a display unit having a bending display unit bent from the main display unit , A back plate coupled to the rear surface of the display module so as to overlap with the main display unit, a bending frame supporting the back plate and supporting the bending display unit, and a mirror frame supporting the bending frame and having a mirror portion overlapping a part of the bending display unit The bending display units of adjacent display devices may be arranged side by side facing each other.

According to an example of the present application, mirror frames of adjacent display devices may be in contact with each other side by side, and a part of the mirror unit may be exposed between adjacent display devices.

According to an example of the present application, adjacent display devices are coupled to each other side by side by a module coupling member, each of the plurality of display devices further includes a plurality of modular brackets coupled to the mirror frame, and the module coupling member is adjacent display It can be coupled to the modular bracket of the devices.

According to an example of the present application, each of the plurality of display devices may further include at least one reinforcing frame coupled to the rest of the back plate except for the rear edge portion.

A display module of each of a plurality of display devices according to an example of the present application includes a flexible display panel having a main display unit and a bending display unit, and a back cover coupled to the display panel, wherein the back cover overlaps the display unit of the flexible display panel It may include a main cover portion, and an extension portion extending from the main cover portion and disposed between the bending frame and the mirror frame.

According to an example of the present application, the flexible display panels of adjacent display devices are spaced apart from each other, and a part of the mirror part may be exposed between adjacent display devices.

Features, structures, effects, and the like described in the above-described examples of the present application are included in at least one example of the present application, and are not necessarily limited to only one example. Furthermore, features, structures, effects, and the like exemplified in at least one example of the present application may be combined or modified with respect to other examples by a person having ordinary knowledge in the field to which this application belongs. Therefore, contents related to such combinations and modifications should be interpreted as being included in the scope of the present application.

The present application described above is not limited to the above-described embodiments and the accompanying drawings, and it is common in the technical field to which the present application pertains that various substitutions, modifications, and changes are possible without departing from the technical details of the present application. It will be clear to those who have the knowledge of Therefore, the scope of the present application is indicated by the claims, which will be described later, and all changes or modified forms derived from the meaning and scope of the claims and equivalent concepts should be interpreted to be included in the scope of the present application.

10, 20, 30, 40: display device 100: display module
110: flexible display panel 130: back cover
131: main cover portion 133: extension
150: panel driving circuit section 157: timing control section
200: back plate 300: bending frame
330: 1st bending guide part 350: 2nd bending guide part
400: mirror frame 430: mirror arrangement
450: Mirror section 500: Reinforcement frame
600: modularized bracket 1200: modular coupling member
DP: display BDP: bending display
CDP: curved display MDP: main display
RDP: reflective display unit 1300: gap maintaining member

Claims (20)

A display module including a main display unit and a display unit having a bending display unit bent from the main display unit;
A back plate coupled to the rear surface of the display module so as to overlap the main display unit;
A bending frame supporting the back plate and supporting the bending indicator; And
And a mirror frame supporting the bending frame and having a mirror portion overlapping a part of the bending display portion. According to claim 1,
A part of the mirror portion is exposed outside the outer surface of the display module, the display device. According to claim 1,
The bending display unit,
A curved display portion bent from the main display portion; And
And a reflective display portion bent from the curved display portion,
The mirror unit overlaps the reflective display unit, a display device. The method of claim 3,
The bending frame,
A plate support portion supporting a rear edge portion of the back plate;
A first bending guide portion protruding from a front edge portion of the plate support portion and supporting the curved display portion; And
And a second bending guide portion inclined from the first bending guide portion and supporting the reflective display portion. The method of claim 4,
The mirror frame,
A frame support part supporting the bending frame; And
And a mirror arrangement portion extending from an outer surface of the frame support portion and having a mirror arrangement surface inclined to overlap the reflection display portion,
The mirror unit is disposed on the mirror arrangement surface, the display device. The method of claim 5,
The angle between the reflective display unit and the mirror unit is 30 to 60 degrees, the display device. The method of claim 5,
The mirror frame,
A frame support part supporting the bending frame; And
It includes a mirror arrangement portion having a mirror arrangement surface of a flat shape extending from the outer surface of the frame support portion and overlaps the reflection display portion,
The mirror unit is disposed on the mirror arrangement surface, the display device. The method of claim 3,
The bending frame,
A plate support portion supporting a rear edge portion of the back plate;
A first bending guide portion protruding from a front edge portion of the plate support portion and supporting the curved display portion; And
And a second bending guide part formed perpendicular to the thickness direction of the display module and supporting the reflective display part. The method of claim 8,
The mirror frame,
A frame support part supporting the bending frame; And
And a mirror placement portion protruding from a front edge portion of the frame support so as to face the second bending guide portion of the bending frame and having a mirror placement surface inclined to face the reflection display portion,
The mirror unit is disposed on the mirror arrangement surface, the display device. The method of claim 3,
The bending frame,
A plate support portion supporting a rear edge of the back plate; And
It is formed in a curved surface on the outer surface of the plate support portion includes a bending guide portion for supporting the curved display portion,
The display unit of the display module is supported on the rear edge portion of the plate support. The method of claim 10,
The mirror frame,
A frame support part supporting the bending frame; And
A first mirror placement surface concavely inclined from the frame support facing the rear edge portion of the plate support, and a second mirror placement surface inclined to face the first mirror placement surface,
The mirror portion includes a first mirror portion disposed on the first mirror arrangement surface, and a second mirror portion disposed on the second mirror arrangement surface. The method according to any one of claims 1 to 11,
The display module,
A flexible display panel having the main display portion and the bending display portion; And
It includes a back cover coupled to the display panel,
The back cover,
A main cover portion overlapping with the display portion of the flexible display panel; And
And an extension portion extending from the main cover portion and disposed between the bending frame and the mirror frame. The method according to any one of claims 1 to 11,
And at least one reinforcing frame coupled to a portion other than the rear edge portion of the back plate. The method according to any one of claims 1 to 11,
A display device further comprising a plurality of modular brackets coupled to the mirror frame. It includes a plurality of display devices coupled to each other side by side,
Each of the plurality of display devices includes a display device according to any one of claims 1 to 11,
A multi-screen display device, in which bending displays of adjacent display devices are arranged side by side while facing each other. The method of claim 15,
Mirror frames of adjacent display devices are in contact with each other side by side,
A part of the mirror part is exposed between the adjacent display devices, the multi-screen display device. The method of claim 15,
The adjacent display devices are coupled to each other side by side by a module coupling member,
Each of the plurality of display devices further includes a plurality of modular brackets coupled to the mirror frame,
The module coupling member is coupled to the modular bracket of the adjacent display devices, multi-screen display device. The method of claim 15,
Each of the plurality of display devices further comprises at least one reinforcing frame coupled to the rest of the back plate except for the rear edge portion. The method of claim 15,
The display module of each of the plurality of display devices,
A flexible display panel having the main display portion and the bending display portion; And
It includes a back cover coupled to the display panel,
The back cover,
A main cover portion overlapping with the display portion of the flexible display panel; And
And an extension portion extending from the main cover portion and disposed between the bending frame and the mirror frame. The method of claim 19,
Flexible display panels of adjacent display devices are spaced apart from each other,
A part of the mirror part is exposed between the adjacent display devices, the multi-screen display device.

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