TWI722906B - Display device - Google Patents

Abstract

A display device includes a display panel, a front panel, a back panel, and a sliding component. The display panel includes a first display area and a second display area. The front panel supports the display panel, and the first display area is positioned on the surface of the front panel. The back panel overlaps the front panel and has opposite outer surface and inner surface, wherein the second display area is movably arranged on the outer surface. The sliding component is located between the front plate and the back plate. The sliding component drives the front plate to move relative to the back plate, so that the front plate partially overlaps the back plate and, drives the second display area to move from the outer surface to the inner surface.

Description

Display device

A display device, especially a sliding display device containing different display areas.

In recent years, the market for consumer electronic products has become more and more prosperous, and the applications for portable electronic devices that are carried with you have become more diverse, especially in the fields of games, document editing, etc., which have become popular applications.

In the existing display device design, when applied to game operations, the direction buttons and function buttons to be operated are set on the edge of the game screen. When the user clicks or presses the direction buttons or function buttons, part of the game screen will be blocked by the finger; In word processing, the touch keyboard occupies a certain screen area, thus compressing the visible editing screen.

In addition, the promotion of the market depends on the emergence of innovative technologies, and flexible and foldable display devices have market differentiation. In order to seize the strategic heights of the market for consumer electronic products and increase consumers’ willingness to replace devices, manufacturers have invested in research and development of flexible and foldable display devices; and for flexible and foldable display devices , We must also consider the flatness problem after the screen is unfolded, and avoid damaging the mechanism or the display panel due to multiple openings and closings.

In view of the above-mentioned problems, the present invention provides a display device including a display panel, a front back plate, a back back plate, and a sliding member. The display panel includes a first display area and a second display area; the front back plate supports the display panel, and the first display area is positioned on the surface of the front back plate; the back back plate overlaps the front back plate and has opposite outer and inner surfaces On the surface, the second display area is movably arranged on the outer surface; the sliding part is located between the front back plate and the back back plate, and the sliding part drives the front back plate to move relative to the back back plate so that the front back plate is partially overlapped with the back back plate, and The second display area is driven to move from the outer surface to the inner surface.

In summary, the display device disclosed in the present invention can be changed between the folded state and the unfolded state. The design of the sliding part makes the overall connection relationship of the mechanism stable and not easy to be damaged. Moreover, the first display area and the second display area can be viewed no matter in the superimposed state or the unfolded state. The manufacturer can design the screens to be displayed in the first display area and the second display area according to actual requirements (such as game screens). Or a control interface with control buttons). Manufacturers can also design the screens presented when the second display area is in different positions (for example, display a touch keyboard or display push messages) according to requirements.

The detailed features and advantages of the present invention will be described in detail in the following embodiments. The content is sufficient to enable anyone familiar with the relevant art to understand the technical content of the present invention and implement it according to the content disclosed in this specification, the scope of patent application and drawings. In this way, anyone who is familiar with the relevant art can easily understand the purpose and advantages of the present invention.

Various embodiments are presented below for detailed description. However, the embodiments are only used as examples for description, and do not limit the scope of the creation to be protected. Well-known elements and steps are not described in the embodiment, so as to avoid unnecessary restrictions on the content of this creation. In addition, some elements are omitted from the drawings in the embodiments to clearly show the technical characteristics of the creation. The same reference numerals will be used to indicate the same or similar elements in all the drawings.

In this article, unless the article is specifically limited in the context, "一" and "the" can generally refer to one or more. It will be further understood that the terms "include", "have" and similar words used in this article indicate the recorded features, regions, integers, steps, operations, elements and/or components, but do not exclude the description or In addition, one or more other features, regions, integers, steps, operations, elements, components, and/or groups thereof.

[First Embodiment]

Please refer to Figures 1A to 4, Figure 1A is a schematic diagram of the appearance of the first embodiment of the present invention, Figure 1B is a schematic view of another view of Figure 1A, Figures 2A to 2B are schematic diagrams of the use of the first embodiment of the present invention (1 ) And (2). FIG. 3 is a three-dimensional exploded schematic view of the first embodiment of the present invention, and FIG. 4 is a three-dimensional exploded schematic view of the first embodiment of the present invention from another perspective. The present invention provides a display device 1, which includes a display panel 11, a front back plate 12, a back back plate 13 and a sliding part 14.

The display panel 11 may mainly include a first display area 111 and a second display area 112. In some implementations, the first display area 111 and the second display area 112 may display different screens. For example, as shown in FIG. The display area 111 displays a plurality of function keys arranged in an array. For example, as shown in FIG. 1B, the second display area 112 displays a plurality of push messages.

For another example, as shown in FIG. 2A, the first display area 111 displays a game screen, and the second display area 112 becomes an input unit through display, which can be, for example, a keyboard or a control button (such as direction keys and function keys for manipulating game characters to move). Wait).

In some implementations, for example, as shown in FIG. 2B, the first display area 111 and the second display area 112 can jointly form a display area and display a full-screen image, which means that the full-screen image displayed together is larger than that of a single display area. The screen displayed in the first display area 111 or the second display area 112.

As shown in FIG. 2A, in some embodiments, the display panel 11 may further include a non-display area 113. The non-display area 113 is not used for image presentation. Here, the non-display area 113 may preferably be located in the first Between the display area 111 and the second display area 112, the first display area 111 and the second display area 112 are connected.

In one embodiment, the area of the second display area 112 is smaller than the area of the inner surface 132 or the outer surface 131 of the back plate 13. Therefore, when the display device 1 is in the stacked state, the second display area 112 only partially covers the back The outer surface 131 of the board 13 (as shown in FIG. 1B and FIG. 5A); when the display device 1 is in the unfolded state, the second display area 112 can approximately cover the back plate 13 and protrude from the inner surface 132 exposed by the front back plate 12 (As shown in Figure 2A and Figure 5B). However, the present invention is not limited to this. In another embodiment, the area of the second display area 112 is approximately equal to the area of the inner surface 132 or the outer surface 131 of the back plate 13, and therefore, the display device 1 is in a superimposed state When the second display area 112 roughly covers the area of the inner surface 132 or the outer surface 131 of the back plate 13; when the display device 1 is in the unfolded state, the second display area 112 roughly covers the inner surface 132 of the back plate 13 (as shown in FIG. Show).

Please refer to FIGS. 3, 5A and 5B. FIG. 5A is a schematic cross-sectional view of the first embodiment of the present invention in a superimposed state, and FIG. 5B is a schematic cross-sectional view of the first embodiment of the present invention in an unfolded state. The front back plate 12 can support the display panel 11. Furthermore, the first display area 111 is positioned on the top surface 121 of the front back plate 12. In addition, the display panel 11 can further include a circuit substrate 114, which can preferably be located on the front back Between the board 12 and the first display area 111. Here, regardless of whether the display device 1 is in the stacked state (as shown in FIG. 1A and FIG. 5A) or in the unfolded state (as shown in FIG. 2A and FIG. 5B), the first display area 111 is located on the top surface 121 of the front and back plate 12 .

Please refer to Figures 2A, 3 and 4, the back plate 13 is located below the front back plate 12 and overlaps the front back plate 12. The back plate 13 has opposite outer surfaces 131 and inner surfaces 132, wherein the back The side of the board 13 facing the front back board 12 is an inner surface 132, and the side away from the front back board 12 is an outer surface 131. Here, the second display area 112 is movably disposed on the outer surface 131, which means that the second display area 112 can move on the outer surface 131. When the display device 1 is changed from the folded state (as shown in FIG. 1A) to the unfolded state (as shown in FIG. 2A), the second display area 112 will gradually move from the outer surface 131 of the back plate 13 to the inner surface 132 .

Please refer to FIGS. 3, 5A and 5B again, the sliding member 14 is disposed between the front back plate 12 and the back plate 13, and the sliding member 14 drives the front back plate 12 to move relative to the rear back plate 13, so that the front back plate 12 It can be completely superimposed on the back plate 13 to become a superposed state (as shown in FIG. 5A), or the front back plate 12 can be partially superposed on the back plate 13 to be in an unfolded state (as shown in Fig. 5B).

Please refer to Figure 3, Figure 4, Figure 5A and 5B. Here, the sliding component 14 can be mainly composed of a guide rail 141 and a guide block 142. As shown in FIG. 4, the guide block 142 can be an independent element and fixed to the bottom surface 122 of the front back plate 12 by gluing, magnetic attraction, locking, screwing, etc., or it can protrude from the front back plate 12. The integrated structure; the guide rail 141 can be directly recessed on the back plate 13 (not shown), or as shown in Figures 3, 5A and 5B, two guide rails 141 are provided on the board 143, and The board 143 can be fixed on the inner surface 132 of the back plate 13 by means of gluing, magnetic attraction, locking, screwing, and the like. However, the present invention does not limit the number of guide rails 141 to two, and different numbers of guide rails 141 can be provided according to actual needs, and the present invention is not limited only to the aforementioned combination or structure.

Please refer to Figure 4, Figures 5A and 5B, continuing from the above, through the structural design of the guide block 142 slidably arranged in the guide rail 141, the sliding member 14 can drive the front back plate 12 relative to the rear back plate 13 in the moving direction X The reciprocating displacement can be changed from the superimposed state shown in FIG. 5A to the expanded state shown in FIG. 5B, or from the expanded state shown in FIG. 5B to the superimposed state shown in FIG. 5A. When the display device 1 is changed from the superimposed state to the unfolded state, the front back plate 12 moves relative to the back back plate 13, and at the same time it drives the first display area 111 to move in the same direction (the front back plate 12 and the first display area 111 The relative position remains unchanged), which means that the first display area 111 of the display panel 11 and the front back plate 12 are simultaneously displaced along the moving direction X, pulling the second display area 112 originally located on the outer surface 131 of the back plate 13 to move and gradually displace To the inner surface 132 of the back plate 13 (as shown in Figure 5B).

As shown in Figures 4, 5A and 5B, the back plate 13 can be provided with a resetting element 15 on the outer surface 131. Here, the resetting element 15 may be composed of, for example, an elastic member 151, a sliding block 152, and a sliding groove 153. One end of the elastic member 151 is fixed to the wall surface of the sliding groove 153, and the other end is connected to the slider 152. The slider 152 is located in the sliding groove 153 and can be positioned at the end of the second display area 112 of the display panel 11. Here, the elastic member 151 is an elastic object such as a spring or elastic rubber.

Please continue to refer to FIG. 5B. When the display device 1 changes from the folded state to the unfolded state, the second display area 112 located on the outer surface 131 of the back plate 13 moves to the inner surface 132 of the back plate 13 to drive the slider The displacement of 152 makes the length L1 of the elastic member 151 longer. As shown in FIG. 5A, when the display device 1 returns from the unfolded state to the overlapped state, the elastic member 151 gradually returns to its original length by its length L1, and then pulls the second display area 112 to reset to the outer surface of the back plate 13. 131.

Please refer to FIG. 3, FIG. 5A and FIG. 5B again. In some embodiments, the back plate 13 may further include a suction member 16. The suction member 16 may preferably be in the form of a piece and is located on the back plate 13 The inner surface 132, further, the inner surface 132 may have a containing groove 134, the suction member 16 is received in the containing groove 134, and the top surface 16a of the suction member 16 is substantially flush with the inner surface 132. Here, the adsorption member 16 is, for example, an electrostatic adsorption film or a magnetic sheet. In this way, when the display device 1 is in an unfolded state, the second display area 112 is adsorbed by the adsorption member 16 and can be flatly located in the second display area 112. In the foregoing, the adsorption member 16 is in the shape of a sheet and can be an electrostatic adsorption film or a magnetic sheet, which is only an example, and the present invention is not limited to this.

[Second Embodiment]

Please refer to FIG. 6 and FIG. 7. FIG. 6 and FIG. 7 are schematic diagrams (1) and (2) of the use of the second embodiment of the present invention. It should be noted that in this embodiment, the same parts as in the first embodiment will be marked with the same element symbols, and the same elements and structures will not be repeated.

In this embodiment, the display device 1 may further include a telescopic member 17 located between the front back plate 12 and the back back plate 13.

Please refer to Figures 6 and 7 again, the telescopic element 17 is mainly composed of a sleeve 171 and a pipe body 172, wherein the sleeve 171 is a hollow tube, and the pipe body 172 is slidably sleeved in the sleeve 171, in other words The tube body 172 can be only partially contained in the sleeve 171 or completely contained in the sleeve 171. In this way, the telescopic member 17 can be expanded and contracted to form different lengths. However, the foregoing description regarding the structure of the telescopic member 17 is only an example, and the present invention is not limited to this.

Continuing from the above, the two ends of the telescopic member 17 are respectively connected to the front back plate 12 and the rear back plate 13. When the display device 1 is in the unfolded state, the telescopic member 17 can be further extended selectively so that the telescopic member 17 supports the front back plate 12 and a supporting angle α is formed between the front back plate 12 and the back back plate 13. Therefore, the first display area 111 is inclined compared to the second display area 112, and its inclination angle is the supporting angle α. When the second display area 112 becomes an input unit (such as a keyboard or a control button) through display, it can be It is convenient for the user to control the input unit of the second display area 112 while viewing the first display area 111.

[Third Embodiment]

Please refer to Figure 8, Figure 9A to Figure 9C, Figure 8 is a schematic diagram of the use of the third embodiment of the present invention, Figure 9A is a schematic diagram of the use of the third embodiment of the present invention in the superimposed state (1), Figure 9B is The schematic diagram of the use of the third embodiment of the present invention when it is changed from the superimposed state to the unfolded state (1). FIG. 9C is a schematic diagram of the use of the third embodiment of the present invention in the unfolded state (1). It should be noted that FIGS. 9A to 9C are schematic diagrams of use, in which the lower right of the drawings is presented in cross-section. In this embodiment, the same parts as the first embodiment and the second embodiment will be marked with the same element symbols, and the same elements and structures will not be repeated.

In this embodiment, the display device 1 may further include a support frame 18 located on the inner surface 132 of the back plate 13.

Please refer to FIG. 9A to FIG. 9C, the support frame 18 may be mainly composed of a first connecting portion 181 and a second connecting portion 182 that are connected. In one embodiment, the first connecting portion 181 has a telescopic structure, so that it can be expanded and contracted to form different lengths. Here, the first connecting portion 181 may be composed of, for example, a hollow plate sleeve 1811 and a plate body 1812, which can be slidably sleeved in the plate sleeve 1811 through the plate body 1812, so that the length of the first connecting portion 181 can be adjusted. It should be noted that the structure of the aforementioned support frame 18 is only an example, and the present invention is not limited to this.

In this embodiment, one side 181a of the first connecting portion 181 can be pivotally connected to the second connecting portion 182, and the other side 181b is rotatably connected to the inner surface 132 of the back plate 13, so that the first connecting portion The 181 can rotate relative to the second connecting portion 182 and the back plate 13. In addition, one side 182a of the second connection portion 182 can be pivotally connected to the first connection portion 181, and the other side 182b can be rotatably connected to the inner surface 132 of the back plate 13, so that the second connection portion 182 can be relative to the first connection portion 181. A connecting portion 181 rotates with the back plate 13.

Please refer to FIG. 9A, when the display device 1 is in the stacked state, the first connecting portion 181 and the second connecting portion 182 are both received in the receiving groove 135 in the back plate 13 and attached to the inner surface of the back plate 13 132.

Next, referring to FIG. 9B, in this embodiment, the inner surface 132 of the back plate 13 may be further provided with an elastic element 183, and two ends of the elastic element 183 are respectively connected to the inner surface 132 and the second connecting portion 182. The front back plate 12 is displaced relative to the rear back plate 13, and the elastic element 183 separates from the restriction of the front back plate 12, and provides elastic force to make the second connecting portion 182 tilt up. At this time, it is pivotally connected to the second connection via one end of the first connecting portion 181 The structure of the first connecting portion 182 is designed so that the first connecting portion 181 will be driven by the second connecting portion 182 to tilt upwards. At the same time, the length L2 of the first connecting portion 181 becomes longer, so that the first connecting portion 181 and the second connecting portion 182 forms an angle β and protrudes from the inner surface 132 of the back plate 13.

Here, the longer the length L2 of the first connecting portion 181, the smaller the angle β. Conversely, the shorter the length L2 of the first connecting portion 181, the larger the angle β; please refer to FIG. 9C, When the length L2 of the first connecting portion 181 is stretched to the longest, the position of the supporting frame 18 is fixed, that is, the first connecting portion 181 can support the second display area 112. Here, the present invention does not particularly limit the predetermined angle of the included angle β or the predetermined length of the length L2, and can be designed according to actual usage requirements.

In this embodiment, the support frame 18 can be folded between the front back plate 12 and the back plate 13 when the display device 1 is in the stacked state, and when the display device 1 is in the unfolded state, the support frame 18 can protrude from the back plate 13 The inner surface 132 supports the second display area 112. When the second display area 112 becomes an input unit (such as a keyboard or a control button) through display, it is convenient for the user to watch the first display area 111 while operating the first display area 111. The input unit of the second display area 112 performs control.

Please refer to Figures 10A to 10C, Figure 10A is a schematic diagram of the use of the third embodiment of the present invention in the superimposed state (2), and Figure 10B is the third embodiment of the present invention when the state is changed from the superimposed state to the unfolded state Use schematic diagram (2), FIG. 10C is a schematic diagram (2) of use of the third embodiment of the present invention in the unfolded state. It should be noted that FIGS. 10A to 10C are schematic diagrams of use, in which the lower right of the drawings is presented in a cross-sectional manner.

The difference from the previous embodiment is that the first connecting portion 181 of this embodiment has a fixed length, and one side 182b of the second connecting portion 182 is slidably disposed on the inner surface 132 of the back plate 13, wherein The sliding groove 184 is recessed on the inner surface 132, and one side 182b of the second connecting portion 182 is slidingly arranged in the sliding groove 184. Moreover, in this embodiment, the inner surface 132 of the back plate 13 may be further provided with an elastic element 183, and two ends of the elastic element 183 are respectively connected to the inner surface 132 and the first connecting portion 181.

Please refer to FIG. 10A, the display device 1 is in a stacked state, and the first connecting portion 181 and the second connecting portion 182 are both received in the sliding groove 184. Please refer to FIG. 10B again. When the front back plate 12 is displaced relative to the rear back plate 13 along the moving direction X, the side 182b of the second connecting portion 182 slides in the direction opposite to the moving direction X, and the elastic element 183 The first connecting portion 181 is pushed against, so that the first connecting portion 181 and the second connecting portion 182 can protrude from the inner surface 132 of the back plate 13. Please refer to FIG. 10C again. When the elastic element 183 stretches and bears the support frame 18, the position of the support frame 18 will be fixed, that is, the first connecting portion 181 can support the second display area 112, which is approximately the same as The foregoing content will not be repeated here.

[Fourth Embodiment]

Please refer to FIG. 11, FIG. 12A and FIG. 12B. FIG. 11 is a schematic diagram of the use of the fourth embodiment of the present invention. FIG. 12A is a partial cross-sectional schematic diagram of the fourth embodiment of the present invention when the front back plate is displaced relative to the back back plate. 12B is a schematic partial cross-sectional view of the fourth embodiment of the present invention in the unfolded state. In this embodiment, the same parts as those in the first to third embodiments will be marked with the same element symbols, and the same elements and structures will not be repeated.

In this embodiment, the front back panel 12 may further include a front back panel arc 123, and the rear back panel 13 may further include a rear back panel arc 133. Please refer to Figure 11, Figure 12A and Figure 12B again, the front back plate arc 123 is located on the side of the front back plate 12 and connects the top surface 121 and the bottom surface 122, the back plate arc 133 is located on the side of the back plate 13 and The outer surface 131 and the inner surface 132 are connected.

Please continue to refer to FIGS. 12A and 12B. In this embodiment, the sliding member 14 is mainly composed of a guide rail 141 and a guide block 142. A part of the guide rail 141 is located on the inner surface 132 of the back plate 13 and the other part Located on the back plate arc 133, that is, the guide rail 141 extends from the inner surface 132 of the back plate 13 to the back plate arc 133; and one end of the guide block 142 is pivotally connected to the back plate arc 133, and the other end is slidable The ground is set in the guide rail 141.

When the guide block 142 slides along the guide rail 141, the guide block 142 is substantially perpendicular to the back plate 13 and can drive the front back plate 12 to move relative to the rear back plate 13; when the guide block 142 continues to move to the guide rail 141 of the back plate arc 133 , The guide block 142 rotates to be substantially parallel to the back plate 13 and will drive the front back plate arc 123 to move along the back plate arc 133. When the guide block 142 moves to the end 141a of the guide rail 141, the top surface 121 of the front back plate 12 and the inner surface 132 of the back back plate 13 form a coplanar plane (as shown in FIGS. 11 and 12B), and the second display area 112 The suction member 16 (the suction member 16 is shown in FIG. 3) is smoothly attached to the inner surface 132 of the back plate 13.

It should be noted that, in this embodiment, the area of the second display area 112 is approximately equal to the area of the inner surface 132 or the outer surface 131 of the back plate 13. Therefore, when the display device 1 is in a stacked state, the second display area 112 approximately covers the outer surface 131 of the back plate 13. When the display device 1 is in an unfolded state (that is, when the front back plate 12 and the back plate 13 are coplanar), the second display area 112 can approximately cover the entire inner surface 132 of the back plate 13 ( As shown in Figure 11).

In summary, the display device 1 disclosed in the present invention can be switched between the folded state (as shown in FIG. 1A) and the unfolded state (as shown in FIG. 2A). The design of the sliding member 14 makes the whole mechanism connected The relationship is stable and not easy to be damaged during the transformation process. Moreover, the first display area 111 and the second display area 112 can be used for display regardless of the superimposed state or the expanded state. The difference is that the position of the second display area 112 in different states is different, and the second display area 112 The display of the area 112 in different positions is also different. When the display device 1 is in an expanded state, the first display area 111 and the second display area 112 can be combined into a larger display area, or the second display area 112 is displayed It becomes an input unit, which can be, for example, a keyboard or a control button (such as direction keys and function keys for manipulating the movement of a game character), which can facilitate the user to watch the first display area 111 while operating the input unit of the second display area 112 And control it.

Although the technical content of the present invention has been disclosed in the preferred embodiment as above, it is not intended to limit the present invention. Anyone who is familiar with this technique and makes some changes and modifications without departing from the spirit of the present invention should be covered by the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of the attached patent application.

1: display device 11: Display panel 111: The first display area 112: Second display area 113: No display area 114: Circuit board 12: Front and back panel 121: top surface 122: Bottom 123: Front back panel arc 13: back panel 131: Outer surface 132: inner surface 133: Back panel arc 134: Containment Slot 135: storage slot 14: Sliding parts 141: Rail 141a: End 142: guide block 143: plate body 15: Reset component 151: Elastic part 152: Slider 153: Chute 16: Adsorption parts 16a: top surface 17: Telescopic parts 171: Casing 172: Tube Body 18: Support frame 181: The first connection part 181a, 181b: one side 1811: plate cover 1812: plate body 182: The second connecting part 182a, 182b: one side 183: elastic element 184: Chute X: moving direction α: Support angle β: included angle L1, L2: length

[Figure 1A] A schematic diagram of the appearance of the first embodiment of the present invention; [Figure 1B] is a schematic diagram of Figure 1A from another perspective; [Figure 2A] is a schematic diagram of the use of the first embodiment of the present invention (1); [Figure 2B] is a schematic diagram of the use of the first embodiment of the present invention (2); [Figure 3] is a three-dimensional exploded schematic view of the first embodiment of the present invention; [Figure 4] is a perspective exploded schematic view of the first embodiment of the present invention from another perspective; [FIG. 5A] A schematic cross-sectional view of the first embodiment of the present invention in a superimposed state; [Figure 5B] A schematic cross-sectional view of the first embodiment of the present invention in an unfolded state; [Figure 6] is a schematic diagram of the use of the second embodiment of the present invention (1); [Figure 7] is a schematic diagram of the use of the second embodiment of the present invention (2); [Figure 8] is a schematic diagram of the use of the third embodiment of the present invention; [Figure 9A] is a schematic diagram of the use of the third embodiment of the present invention in the superimposed state (1); [Figure 9B] is a schematic diagram of the use of the third embodiment of the present invention when it is changed from the superimposed state to the unfolded state (1); [Figure 9C] is a schematic diagram of the use of the third embodiment of the present invention in the unfolded state (1); [Figure 10A] is a schematic diagram of the use of the third embodiment of the present invention in the superimposed state (2); [Figure 10B] is a schematic diagram of the use of the third embodiment of the present invention when it is changed from the superimposed state to the unfolded state (2); [Figure 10C] is a schematic diagram of the use of the third embodiment of the present invention in the unfolded state (2); [Figure 11] is a schematic diagram of the use of the fourth embodiment of the present invention; [Figure 12A] is a schematic partial cross-sectional view of the fourth embodiment of the present invention when the front back plate is displaced relative to the back back plate; and [Figure 12B] is a schematic partial cross-sectional view of the fourth embodiment of the present invention in the unfolded state.

1: display device

11: Display panel

111: The first display area

112: Second display area

114: Circuit board

12: Front and back panel

121: top surface

13: back panel

131: Outer surface

132: inner surface

134: Containment Slot

14: Sliding parts

141: Rail

143: plate body

15: Reset component

151: Elastic part

152: Slider

16: Adsorption parts

16a: top surface

Claims (12)

A display device including: A display panel including a first display area and a second display area; A front back plate supporting the display panel, and the first display area is positioned on the surface of the front back plate; A back plate, superimposed on the front back plate, having an outer surface and an inner surface opposite to each other, and the second display area is movably arranged on the outer surface; and A sliding component is located between the front back board and the back back board. The sliding component drives the front back board to move relative to the back back board so that the front back board partially overlaps the back back board and drives the second display The zone moves from the outer surface to the inner surface. The display device according to claim 1, further comprising a reset element disposed on the outer surface of the back plate, and the reset element is connected to the display panel to drive the second display area to reset from the inner surface to the outer surface. According to the display device according to claim 1, the second display area partially covers the outer surface of the back plate when the front back plate is overlapped with the back back plate. According to the display device of claim 1, the second display area substantially covers the outer surface of the back board when the front back board and the back back board are overlapped. The display device according to claim 1, wherein the back plate further includes a suction member located on the inner surface and suctioning the second display area so that the second display area is flatly located in the second display area. According to the display device of claim 5, the adsorption member is an electrostatic adsorption film or a magnetic sheet. The display device according to claim 1, wherein the display panel further includes a non-display area, and the non-display area connects the first display area and the second display area. The display device according to claim 1, wherein the display device further comprises a telescopic member located between the front back plate and the rear back plate, and two ends of the telescopic member are respectively connected to the front back plate and the rear back plate to support The front back board forms a supporting angle between the front back board and the back back board. The display device according to claim 1, further comprising a support frame located on the inner surface, and when the back plate is displaced relative to the front back plate, a part of the support frame protrudes from the inner surface to support the second display Area. The display device according to claim 9, wherein the support frame includes a first connection portion and a second connection portion connected to each other, and when the back plate and the front back plate are overlapped, the first connection portion and The second connecting portion is attached to the inner surface, and when the front back plate is displaced relative to the rear back plate, the first connecting portion and the second connecting portion form an angle and protrude from the inner surface. The display device according to claim 1, wherein the front back plate further includes a front back plate arc, the rear back plate further includes a back back plate arc, and the front back plate is displaced to a predetermined position relative to the rear back plate. , The arc of the front back plate moves along the arc of the back plate so that the inner surface of the back plate and the top surface of the front back plate are coplanar. The display device according to claim 11, wherein the sliding member includes a guide rail and a guide block, one part of the guide rail is located on the inner surface, the other part is located on the arc of the back plate, and the guide block is pivotally connected to the front back In the arc portion of the board, the guide block moves along the guide rail to drive the front back board to move relative to the back back board.

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