Display expansion type mobile terminal with sliding motion

A display expansion type mobile terminal with a sliding motion, which is disclosed includes: a flexible display device; a fixed end frame to which the first front end is fixed; a via member provided independently of the fixed end frame; an extension frame which extends from the fixed end frame to a position adjacent to the via member in the predetermined display size adjustment direction A; a movable member which is spaced apart from the via member by an interval corresponding to a length of the extension frame; and a connection member.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is a national phase application of PCT Application No. PCT/KR2016/015593, filed on 30 Dec. 2016, which claims benefit of Korean Patent Application 10-2016-0000257, filed on 4 Jan. 2016 and Korean Patent Application 10-2016-0130102, filed on 7 Oct. 2016. The entire disclosure of the application identified in this paragraph is incorporated herein by reference.

FIELD

The present disclosure relates to a display expansion type mobile terminal with a sliding motion, and to a display expansion type mobile terminal with a sliding motion in which in a display reduced state, displays are arranged on a front surface and a rear surface, respectively and in a display expanded state, the display of the rear surface moves to the front surface to expand the display of the front surface.

BACKGROUND

Currently, mobile terminals such as electronic books, notebook computers, mobile communication terminals are being developed and used as various application devices.

Among them, typically, the mobile communication terminal performs many functions such as a photograph or moving picture shooting, music or video file playback, DMB reception, wireless Internet in addition to a call function which is an original function, but there is a problem in that the display is relatively narrow.

Accordingly, a display expansion type mobile terminal is required, which is easy to carry and has excellent mobility and provides a wider display.

In response to the requirement, a mobile terminal provided with a flexible display device having a flexible property on a screen display unit has been developed.

Various methods have also been attempted in a technology construction for realizing a large screen in a miniaturized state where the mobile terminal is easy to carry.

However, due to a technical limitation of the flexible display device and a limitation of a method for realizing the large screen, the structure is complicated and various restrictions are imposed.

Therefore, a display expansion type mobile terminal is required, which is excellent in portability and mobility, realizes the large screen if necessary, and is simple in construction and saves manufacturing cost.

PRIOR ART DOCUMENT

Patent Document

DISCLOSURE

Technical Problem

An object of the present disclosure is to provide a display expansion type mobile terminal with a sliding motion in which in a display reduced state, displays are arranged on a front surface and a rear surface, respectively and in a display expanded state, the display of the rear surface moves to the front surface to expand the display of the front surface.

Technical Solution

In order to solve the above-mentioned problem, according to an aspect of the present disclosure, a display expansion type mobile terminal with a sliding motion includes: a flexible display device provided in a rectangular shape and having a first front end and a second front end at both ends in a predetermined display size adjustment direction A, respectively; a fixed end frame to which the first front end is fixed; a via member provided independently of the fixed end frame, disposed in parallel with the first front end and provided in a columnar shape, and provided in such a manner that as the fixed end frame reciprocates in the predetermined display size adjustment direction A, the flexible display device passes by to surround the circumference of the fixed end frame; an extension frame which extends from the fixed end frame to a position adjacent to the via member in the display size adjustment direction A; a movable member which is spaced apart from the via member by an interval corresponding to a length of the extension frame; and a connection member having one end fixed to the second front end and the other end fixed to the terminal end of the extension frame via the movable member and guiding a movement path of the second front end with a reciprocating motion of the fixed end frame in the predetermined display size adjustment direction A.

According to the aspect of the present disclosure, the display expansion type mobile terminal with a sliding motion may further include a main body coupled with the via member and having the movable member, in which the main body may include a guide groove which accommodates the extension frame to reciprocate in the predetermined display size adjustment direction A and has an inlet end through which the extension frame is accommodated and a terminal end which is an opposite side to the inlet end, the via member may be disposed at a position adjacent to the terminal end of the guide groove in a direction perpendicular to the extension frame, and the movable member may be disposed at a position adjacent to the inlet end of the guide groove.

According to the aspect of the present disclosure, in the display expansion type mobile terminal with a sliding motion, the connection member may be provided as a flexible member and disposed in parallel with the extension frame at a portion where the second front end and the movable member are connected.

According to the aspect of the present disclosure, in the display expansion type mobile terminal with a sliding motion, the main body may include an external frame having the opened upper and lower surfaces, a rectangular parallelepiped accommodation space therein, and a fixed end contact surface corresponding to the fixed end frame on one side, the via member disposed in parallel with the fixed end frame on the opposite side of the fixed end contact surface as the interior of the accommodation space and having both longitudinal ends supported by the external frame, and a support member which is disposed and fixed in the space between the fixed end contact surface and the via member and supports the flexible display devices disposed on the upper and lower surfaces thereof and has at least one fixed end guide slot provided on at least one surface of the upper and lower surfaces and disposed in parallel with the predetermined display size adjustment direction A.

According to the aspect of the present disclosure, in the display expansion type mobile terminal with a sliding motion, the fixed end frame may have a fixed end guide protrusion which is coupled to at least one fixed end guide slot and slidably moves.

According to the aspect of the present disclosure, in the display expansion type mobile terminal with a sliding motion, the guide groove and the movable member may be provided on at least one of both side surfaces of the support member corresponding to both longitudinal ends of the via member.

According to the aspect of the present disclosure, in the display expansion type mobile terminal with a sliding motion, the guide groove may be provided as at least one fixed end guide slot, the extension frame may be provided as the fixed end guide protrusion, and the movable member may be provided as a convex curved surface which is formed on the side surface of the support member corresponding to the fixed end frame and extends from the lower surface of the support member to at least one fixed end guide slot.

According to the aspect of the present disclosure, in the display expansion type mobile terminal with a sliding motion, the movable member may guide the connection member of which one end is coupled to the fixed end guide protrusion to at least one fixed end guide slot.

According to the aspect of the present disclosure, in the display expansion type mobile terminal with a sliding motion, the main body may include the external frame having the opened upper and lower surfaces, a rectangular parallelepiped accommodation space therein, and a fixed end contact surface corresponding to the fixed end frame on one side, the via member disposed in parallel with the fixed end frame on the opposite side of the fixed end contact surface as the interior of the accommodation space and having both longitudinal ends supported by the external frame, the support member which is disposed and fixed in the space between the fixed end contact surface and the via member and supports the flexible display devices disposed on the upper and lower surfaces thereof, and a link member having both ends coupled to the fixed end frame and the fixed end contact surface and folded when the fixed end frame moves in the predetermined display size adjustment direction A and in which the guide groove and the movable member may be provided on at least one of both side surfaces of the support member corresponding to both longitudinal ends of the via member.

According to the aspect of the present disclosure, in the display expansion type mobile terminal with a sliding motion, two display expansion type mobile terminals with a sliding motion may be provided, two display expansion type mobile terminals with a sliding motion may be disposed symmetrically to each other, the first front ends of two display expansion type mobile terminals may be connected to each other, and the respective fixed end frames may be pivotably hinged with a longitudinal direction of the fixed end frame as an axis below surfaces facing each other.

Advantageous Effects

According to the present disclosure, since in a display reduced state, displays are arranged on a front surface and a rear surface, respectively and in a display expanded state, the display of the rear surface moves to the front surface to expand the display of the front surface, simple operations including a call function, and the like can performed in the display reduced state and portable TV function, a notebook computer function, and the like can be performed in the display expanded state.

According to the present disclosure, it is possible to naturally protect a portion where a flexible display device is folded by a main body and a fixed end frame from an external impact.

MODE FOR INVENTION

Hereinafter, an embodiment in which a display expansion type mobile terminal with a sliding motion is implemented according to the present disclosure will be described in detail with reference to the drawings.

However, it is to be understood that the scope of the present disclosure is not limited by the embodiments described below, and those skilled in the art, which understands the spirit of the present disclosure can easily propose various embodiments included in the scope of the same technical spirit as the present disclosure by a method such as substitution or change, but it will be apparent that this is also included in the technical spirit of the present disclosure.

Further, since terms used below are selected for easy description, the terms are not limited to dictionary meanings and should be appropriately interpreted as meanings consistent with the technical spirit of the present disclosure in order to grasp the technical content of the present disclosure.

FIGS. 1 to 4are diagrams for describing a first embodiment of a display expansion type mobile terminal with a sliding motion according to the present disclosure.

FIG. 1is a view illustrating a schematic outline,FIG. 2is an exploded view ofFIG. 1, andFIGS. 3 and 4are diagrams for describing an operation state ofFIG. 1.

Referring toFIGS. 1 to 4, the display expansion type mobile terminal100with a sliding motion according to the embodiment includes a flexible display device110, a fixed end frame120, a via member130, an extension frame140, a movable member150, and a connection member160.

The flexible display device110is provided in a rectangular shape and has a first front end111and a second front end113at both ends in a predetermined display size adjustment direction A.

The fixed end frame120has a structure in which the first front end111is fixed.

The fixed end frame120serves as a handle for driving a sliding motion of the flexible display device110.

The via member130is a component for a function to enable the flexible display device110to change a sliding direction to an opposite direction while the flexible display device110is bent.

The via member130is provided independently of the fixed end frame120and disposed in parallel with the first front end111and provided in a columnar shape.

Accordingly, the via member130is provided in such a manner that as the fixed end frame120reciprocates in the predetermined display size adjustment direction A, the flexible display device110passes by to surround the circumference of the fixed end frame120.

The extension frame140extends from the fixed end frame120to a position adjacent to the via member130in the predetermined display size adjustment direction A.

The extension frame140allows the flexible display device110to smoothly reciprocate in the predetermined display size adjustment direction A together with the movable member150and the connection member160to be described below.

In particular, in an operation state in which the display is reduced, the second front end113of the flexible display device110is pulled to the bottom surface ofFIG. 1to move the second front end113to a predetermined path.

To this end, the movable member150is spaced apart from the via member130by an interval corresponding to a length of the extension frame140.

One end of the connection member160is fixed to the second front end113and the other end is fixed to the terminal end of the extension frame140via the movable member150.

Accordingly, the connection member160guides a movement path of the second front end113with a reciprocating motion of the fixed end frame in the predetermined display size adjustment direction A.

Meanwhile, the display expansion type mobile terminal100with a sliding motion according to the embodiment preferably includes a main body170.

The main body170is provided with a base coupled with the via member130and having the movable member150.

Further, the main body170has a guide groove which accommodates the extension frame140to reciprocate in the predetermined display size adjustment direction A and has an inlet end through which the extension frame140is accommodated and a terminal end which is an opposite side to the inlet end.

In this case, the via member130is disposed at a position adjacent to the terminal end of the guide groove171in a direction perpendicular to the extension frame140.

Further, the movable member150is disposed at a position adjacent to the inlet end of the guide groove171.

Meanwhile, in the display expansion type mobile terminal100with a sliding motion according to the embodiment, the connection member160is provided as a flexible member (e.g., a cord or a band) and is preferably disposed in parallel with the extension frame140at a portion where the second front end113and the movable member150are connected.

To this end, the main body170has an external frame175having opened upper and lower surfaces, a rectangular parallelepiped accommodation space therein, and a fixed end contact surface173corresponding to the fixed end frame120on one side.

In this case, the via member130is disposed in parallel with the fixed end frame120on an opposite side of the fixed end contact surface173as an interior of the accommodation space and both longitudinal ends thereof are supported by the external frame175.

Further, the main body170preferably includes a support member177which is disposed and fixed in a space between the fixed end contact surface173and the via member130and supports the flexible display devices110disposed on the upper and lower surfaces thereof and has at least one fixed end guide slot177aprovided on at least one surface of the upper and lower surfaces and disposed in parallel with the predetermined display size adjustment direction A.

Correspondingly, the fixed end frame120preferably has a fixed end guide protrusion123which is coupled to at least one fixed end guide slot177aand slidably moves.

Meanwhile, in the embodiment, the guide groove171and the movable member150are provided on at least one of both side surfaces of the support member177corresponding to both longitudinal ends of the via member130.

Next,FIGS. 5 and 6are diagrams for describing a second embodiment of a display expansion type mobile terminal with a sliding motion according to the present disclosure.

Referring toFIGS. 5 and 6, in the display expansion type mobile terminal100with a sliding motion according to the embodiment, the guide groove171is provided as at least one fixed end guide slot177aand the extension frame140is provided as the fixed end guide protrusion123unlike the first embodiment described above.

That is, in the embodiment, the fixed end guide slot177aand the fixed end guide protrusion123simultaneously perform the functions of the guide groove171and the extended frame140in the first embodiment, respectively.

Therefore, according to the embodiment, there is an advantage in that the guide groove171and the extension frame140may be omitted.

However, in the embodiment, the movable member150is preferably provided as a convex curved surface250which is formed on the side surface of the support member177corresponding to the fixed end frame120and extends from the lower surface of the support member177to at least one fixed end guide slot177a.

Accordingly, the movable member150guides the connection member160of which one end is coupled to the fixed end guide protrusion123to at least one fixed end guide slot177a.

Next,FIG. 7is a diagram for describing a third embodiment of a display expansion type mobile terminal with a sliding motion according to the present disclosure.

Referring toFIG. 7, the display expansion type mobile terminal100with a sliding motion according to the embodiment is the same as that of the first embodiment described above in that the main body170includes the external frame175having the opened upper and lower surfaces, the rectangular parallelepiped accommodation space therein, and the fixed end contact surface173corresponding to the fixed end frame120on one side, the via member130disposed in parallel with the fixed end frame120on the opposite side of the fixed end contact surface173as the interior of the accommodation space and having both longitudinal ends supported by the external frame175, and the support member177which is disposed and fixed in the space between the fixed end contact surface173and the via member130and supports the flexible display devices110disposed on the upper and lower surfaces thereof.

However, the display expansion type mobile terminal100with a sliding motion according to the embodiment is different from that of the first embodiment in that the display expansion type mobile terminal100includes a link member323having both ends coupled to the fixed end frame120and the fixed end contact surface173and folded when the fixed end frame120moves in the predetermined display size adjustment direction A.

In this case, the guide groove171and the movable member150are preferably provided on at least one of both side surfaces of the support member177corresponding to both longitudinal ends of the via member130as described in the first embodiment.

Next,FIGS. 8 and 9are diagrams for describing a fourth embodiment of a display expansion type mobile terminal with a sliding motion according to the present disclosure.

Referring toFIGS. 8 and 9, the display expansion type mobile terminal100with a sliding motion according to the embodiment is characterized in that two display expansion type mobile terminals with a sliding motion according to the first and second embodiments are combined and provided.

Accordingly, there is an advantage in that a maximum expansion area of the display may be increased or a volume may be reduced in the same maximum expansion area.

Specifically in the embodiment, two display expansion type mobile terminals with a sliding motion according to the first and second embodiments are disposed symmetrically to each other and the first front ends111of two display expansion type mobile terminals are connected to each other. That is, one flexible display device is used.

Meanwhile, the respective fixed end frames120are pivotably hinged with a longitudinal direction of the fixed end frame120as an axis below surfaces facing each other.

Thus, in a state in which two display expansion type mobile terminals with a sliding motion according to the first and second embodiments are stacked to each other, a display having a minimum size is used, and each of the fixed end frames120pivots to primarily expand the display and the main body170is pulled in opposite directions to secondarily expand the display.