Abstract: Disclosed is a foldable display device. According to an embodiment of the present invention, the foldable display device includes a first body and a second body that are formed in the same shape as a plate and are arranged symmetrically with each other, and a hinge device assembled to connect the first body and the second body to each other, such that the hinge device rotates within an opened state range where the first and second bodies are placed on the same plane and within a closed state range where the first and second bodies overlap each other.

Abstract: Disclosed is a foldable display device. According to an embodiment of the present invention, the foldable display device includes a first body and a second body that are formed in the same shape as a plate and are arranged symmetrically with each other, and a hinge device assembled to connect the first body and the second body to each other, such that the hinge device rotates within an opened state range where the first and second bodies are placed on the same plane and within a closed state range where the first and second bodies overlap each other.

Abstract: A foldable display device is provided, which includes a first body and a second body formed in the same plate shape and symmetrically arranged, a hinge device coupled to the first body and the second body to make the first body and the second body rotate in the range between an unfolded state in which the first body and the second body are put on the same plane and a folded state in which the first body and the second body overlap each other, and an angle maintenance device provided with first and second stopper units capable of fixing a rotating angle of the hinge device to a certain angle. Accordingly, the inclination angle of the display device can be freely adjusted to form an acute angle or an obtuse angle in addition to two folding and unfolding operations of the hinge device and the adjusted angle can be temporarily maintained to further improve convenience in use.

Abstract: The present invention relates to a flexible hinge device having a cooperative operating structure, comprising: a first plate and a second plate each having a top surface to which a flexible display screen having flexibility is attached; and a hinge unit configured to interconnects the first plate and the second plate and configured to be operated in a foldable manner so as to be bent or stretched, wherein the hinge unit comprises a plurality of segmental members connected to one another to allow the hinge unit to be bent or stretched, the first plate and the second plate are respectively coupled to the outermost segmental members positioned at both ends of the plurality of segmental members.

Abstract: A flexible display device having a guide member is disclosed. The flexible display device having a guide member according to the present invention includes a first plate and a second plate for attaching a flexible display screen having bending capability on the front side; a hinge member B for connecting the first plate and the second plate and performing a folding operation while being bent or spread; and a variable means formed at each of the first plate and the second plate, configured of movable plates connected to the hinge member and the guide members combined with the movable plates to guide forward and backward movement of the movable plates, and associated with the folding operation of the first plate and the second plate.

Abstract: The present invention provides a foldable flexible display device. A foldable flexible display device according to the present invention includes: first and second plates having a predetermined area; a hinge member for connecting the first plate and the second plate; and a flexible display screen attached to the tops of the first plate and the second plate and the hinge member, in which the hinge member folds the first plate and the second plate and the flexible display screen while folding with smooth curvature. According to this configuration, the operation for folding or unfolding the screen of a flexible display device can be smoothly operated and damage to the display screen can be prevented, resulting in remarkable improvement in reliability of a product.

Abstract: A flexible display device having a guide member is disclosed. The flexible display device having a guide member according to the present invention includes a first plate and a second plate for attaching a flexible display screen having bending capability on the front side; a hinge member B for connecting the first plate and the second plate and performing a folding operation while being bent or spread; and a variable means formed at each of the first plate and the second plate, configured of movable plates connected to the hinge member and the guide members combined with the movable plates to guide forward and backward movement of the movable plates, and associated with the folding operation of the first plate and the second plate.

Abstract: The present invention provides a hinge for a display device. A hinge for a display device according to the present invention, which connects and folds/unfolds first and second plates in a display device, includes: a soft plate member that is bendable while connecting first and second plates; a plurality of ribs formed at regular intervals at both sides of the soft plate member; a link means connecting the ribs and composed of first and second link and individually rotating with the bending of the soft plate member; and a fixing mechanism generating a fixing force by spring elasticity to control the rotation angle of the first and second links of the link means.

Abstract: A hinge apparatus for a portable communication device having a body, a folder, and a rotary hinge module mounted between the body and the folder. The hinge apparatus includes at least one gear hinge part for opening and closing the body and the folder on a first hinge axis. The hinge apparatus also includes a hinge connection part for coupling the at least one gear hinge part to the rotary hinge module. The rotary hinge module allows for rotation of the folder about a second hinge axis perpendicular to the first hinge axis.

Abstract: A mobile phone of a folding type is disclosed. The mobile phone of a folding type according to an exemplary embodiment of the present invention may include: a first body provided with a first display portion; and a second body rotatably connected to the first body through at least one of a first hinge module and provided with a second display portion, wherein the first and second display portions form the same plane and are configured such that at least one of the first and second display portions can slide toward the other of the first and second display portions in a case that the first and second bodies are open.

Abstract: A hinge device has first and second bodies. The second body is rotatable about the first body. The hinge device is connected to a first and second hinge arm. The hinge device includes a first hinge bracket having a first case portion inserted in the first hinge arm, and fixedly mounted to the first body; a second hinge bracket having a second case portion inserted in the second hinge arm, and fixedly mounted to the second body; a hinge shaft fitted in the first case portion, fixedly inserted in the second case portion; a bushing unit fixed to the first case portion, rotatably inserted in the second case portion, and adapted to limit a rotating range of the second body to the first body; and a hinge module disposed in the first case portion and transmitting driving torque to the second body when the second body rotates.

Abstract: According to an exemplary embodiment of the invention, a swing-type cover opening and closing device for a mobile phone, in which in which the mobile phone that is composed of a main body and a cover and where a hollow shaft formed in the cover is pivotably supported on the main body to pivot the cover in a clockwise or counterclockwise direction around the hollow shaft, includes: i) a fixation plate that is fixed to one side of the main body in correspondence with the hollow shaft, and includes a through-hole through which the hollow shaft passes and a ring-shaped protrusion integrally formed on the periphery of the through-hole; ii) a rotating body that has a disk shape with a hollow space, is pivotably joined to the ring-shaped protrusion, and is locked to the cover with the hollow shaft fitting in the hollow space; iii) a cover member that includes a support hole corresponding to the hollow space and is joined to the fixation plate while supporting the outer periphery of the rotating body through the supp

Abstract: A swing-type cover opening and closing device for a mobile phone according to an exemplary embodiment of the invention includes: i) a main body case that is disposed in a main body of the mobile phone and has a through-hole formed at one side thereof; ii) a cover case that is disposed in a cover of the mobile phone, has a hollow shaft penetrating the through-hole integrally projecting thereon, and is pivotably mounted on the main body case; and iii) an elastic unit of which both ends are pivotably joined to the main body case and the cover case, respectively, to provide elastic force to the cover case by rotation of the cover case, wherein the elastic unit includes a housing that is pivotably connected to the main body case through a first hinge pin, a slide member that is joined to the inside of the housing to be slidable and lockable, and is connected to the cover case through a second hinge pin, and a plurality of spring members that are installed in the housing and apply elastic force to the slide member.

Abstract: According to an exemplary embodiment of the invention, a swing-type cover opening and closing device for a mobile phone, in which in which the mobile phone that is composed of a main body and a cover and where a hollow shaft formed in the cover is pivotably supported on the main body to pivot the cover in a clockwise or counterclockwise direction around the hollow shaft, includes: i) a fixation plate that is fixed to one side of the main body in correspondence with the hollow shaft, and includes a through-hole through which the hollow shaft passes and a ring-shaped protrusion integrally formed on the periphery of the through-hole; ii) a rotating body that has a disk shape with a hollow space, is pivotably joined to the ring-shaped protrusion, and is locked to the cover with the hollow shaft fitting in the hollow space; iii) a cover member that includes a support hole corresponding to the hollow space and is joined to the fixation plate while supporting the outer periphery of the rotating body through the supp

Abstract: A hinge device for a mobile device of folding type has a first body being a main body and a second body being a cover. The second body is rotatable with respect to the first body upwardly or downwardly. The hinge device is connected to a first hinge arm formed at one side of an upper end of the first body and a second hinge arm at the other side of an upper end of the second body.

Abstract: A slide-type cover opening and shutting device for a portable terminal according to an exemplary embodiment of the invention includes: a plate-shaped guide member; a plate-shaped movable member that is slidably assembled to the guide member, and an elastic member of which ends are rotatably connected to the guide member and the movable member, respectively.

Abstract: A hinge-type cover opening/closing device is designed to smoothly open and close a cover by preventing sudden rotation of the cover. The hinge-type cover opening/closing device for a mobile device includes a pair of hinge shafts, a pair of guide members that are fixedly installed on the hinge shafts, spaced apart from each other by a predetermined distance in a length direction of the hinge shaft, and that enable the hinge shafts to rotate about each other, and one or more cam actuating units that are installed on the hinge shafts, spaced apart from each other by a predetermined distance in the length direction, and that enable the hinge shafts to rotate about each other within a predetermined angle range.