A foldable display device includes a first support plate and a second support plate, a display panel disposed on the first support plate and the second support plate and a hinge assembly disposed between the first support plate and the second support plate, wherein the hinge assembly includes, a first hinge arm and a second hinge arm rotatably connected to each other, a first virtual axis gear coupled to the first hinge arm, a second virtual axis gear coupled to the second hinge arm, a first rotational gear and a second rotational gear disposed to mesh with each other between the first virtual axis gear and the second virtual axis gear and a first gear arm and a second gear arm fastened to interlock with the first virtual axis gear and the second virtual axis gear, wherein the first support plate, the second support plate, and the display panel perform folding and unfolding operations about a rotation axis different from central axes of the first virtual axis gear and the second virtual axis gear.

An example computing device includes a flexible display coupled to a housing that includes a support plate having a first joint coupled to a first end of the support plate and a second joint coupled to a second end of the support plate. A slide module has a slot that guides a linear slide movement of the second joint along a linear path of movement within the slot as the support plate pivots about the first joint, where the support plate moves according to the first joint and the second joint to support at least the portion of the flexible display when the flexible display is unfolded and moves according to the first joint and the second joint to create a gap between at least a portion of the support plate and at least the portion of the flexible display when the flexible display is folded.

A rotation mechanism, includes a middle housing (1), a first support (2) and a second support (3), a first end of the first support is rotatably connected to the middle housing, and a second end of the first support is fixedly connected to a first housing; a first end of the second support is rotatably connected to the middle housing, and a second end of the second support is fixedly connected to a second housing.

An electronic device is provided, which includes a first housing including at least one first electronic component, a second housing including at least one second electronic component, a hinge housing disposed between the first housing and the second housing, a hinge assembly assembled to the hinge housing to rotatably couple the first housing and the second housing, a flexible printed circuit board electrically coupling the first electronic component and the second electronic component via the hinge housing, and a flexible display, wherein the hinge assembly comprises a support portion located between the flexible printed circuit board and the flexible display, wherein, as the electronic device rotates from folded to 180-degree unfolded, the support portion moves into the flexible display, and wherein, as the electronic device rotates from 180-degree unfolded to folded, the support portion moves into the flexible printed circuit board to be spaced apart from the flexible display.

A display device includes a display module including a first non-folding region, a second non-folding region, and a folding region disposed between the first and second non-folding regions, a first body disposed on the first non-folding region, a second body disposed on the second non-folding region, a plurality of rotation pin units connected to the first and second bodies to provide a biaxial rotation axis, which is overlapped with the folding region, to the first and second bodies, and a plurality of gears which rotate in conjunction with the rotation pin units. The plurality of gears is disposed on the rotation pin units.

A foldable apparatus is provided. The foldable apparatus includes a first foldable part, a middle bending part, and a second foldable part that are connected in sequence. The first foldable part and the second foldable part can rotate relative to each other based on the middle bending part. A first wireless communication chip is disposed in the first foldable part. A second wireless communication chip is disposed in the second foldable part. In the foldable apparatus, wireless communication is used to replace conventional physical wiring for internal signal transmission. The loss of a communication carrier is reduced through wireless communication. This ensures that stable transmission performance between the first foldable part and the second foldable part.

A foldable hinge is described herein that includes a plurality of interconnected sliding links, wherein each of the interconnected sliding links comprise at least one curved extruding prong and at least one curved rail. The at least one curved rail of a first interconnected sliding link can be coupled to the at least one curved extruding prong of a second interconnected sliding link to form a torque engine. Additionally, the interconnected sliding links can be rotatable based on a pressure applied to the interconnected sliding links. The foldable hinge can also include a plurality of shafts coupled to the plurality of interconnected sliding links, wherein each shaft is coupled to a separate interconnected sliding link.

According to certain embodiments, a foldable electronic device comprises: a first housing; a second housing; a hinge structure coupling the first housing and the second housing; and a flexible display, wherein at least a first portion of the flexible display is disposed on the first housing and a second portion of the flexible display is disposed on the second housing, wherein the hinge structure includes: a fixing member, a first rotary member coupled to the fixing member; a second rotary member coupled to the fixing member; a first rotary shaft, wherein one end of the first rotary shaft is held on one side of the fixing member; a second rotary shaft, wherein one end of the second rotary shaft is held on an opposite side of the fixing member; a first arm part coupled to the first rotary member, with the first rotary shaft is inserted therein; a first cam structure disposed is in the first arm part; a second arm part coupled to the second rotary member with the second rotary shaft inserted therein, a second cam structure disposed in the second arm part; and a first cam member including a first cam, with the first rotary shaft inserted in the first cam, and engaged with the first cam structure, a second cam, with the second rotary shaft inserted in the second cam, and engaged with the second cam structure, and a cam body connecting the first cam and the second cam.

A foldable display apparatus may include: a housing frame including a first frame and a second frame; a hinge assembly coupled to the first frame and the second frame to implement a folding and unfolding movement of the first frame and the second frame; and a display panel disposed on the first frame and the second frame. The hinge assembly may include: a plurality of hinge arms each coupled to one of the first frame and the second frame; a hinge housing disposed below the plurality of hinge arms and accommodating the plurality of hinge arms; and an arm cover disposed above the plurality of hinge arms and fastened with the hinge housing, the arm cover including a plurality of recessed guide units respectively corresponding to the plurality of hinge arms.

An electronic device including a hinge module, a first body, a first linking assembly, a second body, a second linking assembly, and a flexible display assembled to the first body and the second body is provided. The hinge module includes a first rotating shaft, a second rotating shaft parallel to the first rotating shaft, a first guiding shaft orthogonal to the first rotating shaft, and a second guiding shaft orthogonal to the second rotating shaft. The first body is slidably assembled to the first guiding shaft, the second body is slidably assembled to the second guiding shaft, the first linking assembly slidably assembled to the first guiding shaft connects the first body, and the second linking assembly slidably assembled to the second guiding shaft connects the second body. A deformation of the flexible display drives the first and second bodies to move close to or away from the hinge module.