40 results about "Rollable display" patented technology

Provided is a display device. The display device includes: a first housing and at least one second housing, wherein the second housing is slidably connected to the first housing; a flexible display panel including a planar display portion and a rollable display portion, wherein the planar display portion is secured on the first housing; a reel disposed in and connected to the second housing, wherein the rollable display portion includes a first portion wound over the reel and a second portion parallel to the planar display portion; and a plurality of support columns arranged in an array, wherein two ends of each support column are slidably connected to the second housing, the support columns are fixedly connected to a rear face of the rollable display portion, and at least some support columns are in contact with a side of the reel.

The utility model provides a supporting assembly, a rollable display module and a display device, and relates to the technical field of display. The supporting assembly is used for being connected to the backlight side of the display assembly to support the display assembly, the supporting assembly comprises an integrally-formed supporting plate, and the supporting plate comprises a first supporting layer close to the display assembly and a second supporting layer away from the display assembly; the first supporting layer comprises a plurality of first supporting ribs arranged at intervals in the first direction, the second supporting layer comprises a plurality of second supporting ribs arranged at intervals in the first direction, the first supporting ribs and the second supporting ribs extend in the second direction, and the second direction intersects with the first direction; wherein the distance between every two adjacent first supporting ribs is a first distance, the distance between every two adjacent second supporting ribs is a second distance, and the ratio of the second distance to the first distance is larger than 1 and smaller than or equal to 20. The ratio of the thickness of the second supporting layer to the thickness of the first supporting layer is larger than or equal to 1 and smaller than or equal to 10.

Provided is a display device. The display device includes: a flexible display panel, including a planar display portion, a rollable display portion, and a non-display fixed portion, wherein the rollable display portion is disposed between the planar display portion and the non-display fixed portion; a first housing, fixedly connected to the planar display portion; a second housing, slidably connected to the first housing; a reel, wherein both ends of the reel are connected to a side of the support housing, and the rollable display portion is wound over the reel; a connecting plate, disposed between the support housing and the rear cover and fixedly connected to the non-display fixed portion; a tension assembly, connected to the first housing and the connecting plate; and a slide support assembly, disposed between the connecting plate and the rear cover.

An electronic device includes a first housing, a second housing slidably coupled to the first housing, a rollable display configured to be enlarged or reduced based on a movement of the second housing, a rack gear disposed on the second housing, a pinion gear driven in engagement with the rack gear and including a plurality of teeth, an actuator configured to rotate the pinion gear and coupled with the pinion gear by a shaft, a first magnet surrounding at least part of the shaft, and spaced apart from the pinion gear along the shaft, and a hall sensor spaced apart from the pinion gear in direction perpendicular to the shaft, and a processor, wherein the processor is configured to obtain data related to a change in the magnetic force using the hall sensor and identify a rotating angle of the pinion gear based on the data related to a change in the magnetic force.

A rollable display apparatus including a display panel having a threshold curvature radius; a roller, having a curvature radius equal to or larger than the threshold curvature radius, attached to one side of the display panel and configured to allow the display panel to be rolled-up; and a curved surface member, spaced apart from the roller, having a curvature radius equal to or larger than the threshold curvature radius in an area in contact with the display panel, configured to bend the display panel in a direction opposite to a direction in which the display panel is rolled by the roller.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a controller of a user device having a rollable display device may obtain fingerprint information associated with a user interaction with a contact area of the rollable display device. The controller may obtain touch information associated with the user interaction with the contact area of the rollable display device. The controller may output, based on the fingerprint information and the touch information, actuation information that causes actuation of a display extending component of the rollable display device to change an extension state of the rollable display device. Numerous other aspects are described.

A 3D planning table for collaborative layout planning, characterized by a flexible, rollable display (e.g., OLED display or higher) on which additively printed 2.5D miniatures of planning objects (e.g., machines, workstations, etc.) are placed. The current layout state is continuously captured using a 2D or 3D camera and transmitted via an interface to a CAD program, which translates the 2.5D representation into a 3D representation of the layout and displays it on a monitor and via VR glasses. Saved intermediate states can be transferred back to the OLED display via an interface between the CAD software and the planning process. All 2.5D miniatures are equipped with a camera-readable code, which allows further information to be retrieved from a central database using a smartphone camera.

This application belongs to the field of communication technologies, and discloses a shooting method and apparatus. The method includes: displaying a shooting interface; determining an extension amplitude value of a screen based on a proportion of a shot object in the shooting interface; extending a display region of the screen based on the extension amplitude value; and determining a target brightness value of the screen based on at least one of a brightness parameter of a current shooting environment and the extension amplitude value of the screen, and adjusting a brightness of the screen based on the target brightness value. The screen is a rollable display with an extensible display region. The extension amplitude value of the screen is negatively correlated with the proportion of the shot object in the shooting interface.

A rollable display device, relating to the technical field of displays. The rollable display device comprises a flexible display module (1) and a driving mechanism (2), wherein the flexible display module (1) comprises a flexible display panel (11) and a support plate (12); the flexible display panel (11) has a display side and a non-display side which are provided opposite to each other; the support plate (12) is provided on the non-display side of the flexible display panel (11), a plurality of grooves (1231) extending along a first direction (X) are provided on the surface of the support plate (12) facing away from the flexible display panel (11), the plurality of grooves (1231) are arranged along a second direction (Y) to form at least one groove column, the first direction (X) is parallel to the support plate (12), and the second direction (Y) is parallel to the rolling direction of the flexible display module (1) and intersects the first direction (X); and the driving mechanism (2) comprises a driving gear (22) and a driving assembly, the driving gear (22) meshes with the groove column, the driving assembly is connected to the driving gear (22), and the driving assembly is configured to drive the driving gear (22) to rotate, so as to drive the flexible display module to roll. The rollable display device has high flatness when unrolled and rolled, and has a long service life and stable operation.

A scrollable device including a fixture, a flexible display panel and a scroll device having a roller, a roller end cap and a torsion spring is provided. One side of the flexible display panel is connected to the fixture, while the other side is connected to the cylindrical surface of the roller. The roller end cap is rotatably disposed on the end part of the roller, and the torsion spring is inside the roller. One end of the torsion spring is connected to the roller, while the other end is connected to the roller end cap. When a relative rotation between the roller and the roller end cap is occurred, the torsion spring is rotated and deformed to form a restoring force. This restoring force can drive the roller to rotate relative to the roller end cap, thereby making the flexible display panel to roll up along the roller.

The present application belongs to the technical field of display. Disclosed is a display device. The display device comprises a support base, a roller, a flexible display panel and a support member. When the display device is in a retracted state, after a flat display portion of the flexible display panel is retracted into an accommodating cavity of the support base, two chain engaging portions which engage to form a rigid rod can be separated into two chain separated portions, so as to be retracted into the accommodating cavity. When the display device is in an extended state and the flat display portion needs to be extended, the two chain separated portions can engage to form the rigid rod, and the end of the rigid rod facing away from the two chain separated portions is fixedly connected to the side of the flat display portion facing away from a rollable display portion, such that the flat display portion is driven to extend. In this way, the display device can be extended and retracted simply by means of the support member having a simple structure, thereby improving the reliability of the display device, and resulting in a relatively high efficiency of the support member driving the flexible display panel to extend.

According to various embodiments, an electronic device may include a first housing; a second housing slidably coupled to the first housing; a rollable display that is disposed to be supported by the first housing and the second housing; a support member disposed on the rear surface of the rollable display; a first printed circuit board disposed on the first housing; a second printed circuit board disposed on the second housing; a flexible printed circuit board that connects the first printed circuit board and the second printed circuit; a driving motor disposed on the second housing and providing a driving force to drive the second housing; a battery disposed on the second housing and supplying power to the driving motor; a pinion gear disposed on the second housing and transmitting power based on the driving force of the driving motor; and a rack gear disposed on the first housing and gear-coupled with the pinion gear.

The application relates to the technical field of display, and discloses a flexible display device and a supporting assembly, which aims to improve the structure of a rollable display and improve the reliability of the rolling and unfolding actions of the rollable display. The flexible display device comprises a roller shaft, a flexible module, a flexible display screen and a supporting assembly. The flexible module comprises a rolling and sliding area and a planar area, the rolling and sliding area is configured to move around the roller shaft to realize the unfolding and rolling of the flexible module, the flexible module comprises the flexible display screen and the supporting assembly, the supporting assembly is arranged on the surface side of the flexible display screen facing the roller shaft, and comprises a first supporting piece and a second supporting piece. The first supporting piece is a bendable plate structure, the second supporting piece is arranged on the side of the first supporting piece away from the flexible display screen, comprises a plurality of supporting strips, the plurality of supporting strips are arranged along the moving direction of the flexible module, each supporting strip is consistent with the extension direction of the roller shaft and is fixed on the first supporting piece.

An embodiment of the present disclosure provides an electronic device having a rollable display capable of supporting a wallpaper and a wallpaper setting, and a method therefor. According to an embodiment, the electronic device may support, by a processor, wallpaper displaying according to a change in an expansion or contraction state of the rollable display and a wallpaper setting for same. According to an embodiment, the processor may operate to configure a first image area corresponding to first wallpaper displayed in a first display area and display a first preview image corresponding to the configured first image area. According to an embodiment, the processor may operate to configure a second image area corresponding to second wallpaper displayed in a second display area and display a second preview image corresponding to the configured second image area.

According to an embodiment of the present disclosure, an electronic device may comprise: a first housing; a second housing configured to be slid with respect to the first housing; a flexible display including a first display region and a second display region extending from the first display region, and configured such that the second display region is moved on the basis of sliding of the second housing; a battery disposed in the first housing; a rack gear coupled to the first housing; a motor drive unit disposed in the second housing, connected to the rack gear, and configured to provide driving power for sliding the second housing; and a rack guide disposed in the second housing and covering at least a part of the rack gear. Various other embodiments may also be possible.

In aspects of rollable screen simultaneous display call use, a mobile device includes a rollable display screen configurable in one of multiple display states, the rollable display screen including a front-facing portion of the rollable display screen and a rear-facing portion of the rollable display screen. The mobile device implements a call manager that detects a phone call is initiated and displayable call content is associated with the phone call. The call manager determines to display the displayable call content associated with the phone call on the front-facing portion of the rollable display screen. The call manager then initiates to configure the rollable display screen in a display state that facilitates use of the front-facing portion of the rollable display screen to display the displayable call content associated with the phone call.

The invention discloses a rollable display module and a display device. The rollable display module comprises a flexible display panel; the supporting layer is located on the non-light-emitting side of the flexible display panel, and the supporting layer comprises a plurality of hollowed-out areas; the bonding layer is located between the flexible display panel and the supporting layer, so that the supporting layer is fixedly connected with the flexible display panel; the plurality of filling parts are in one-to-one correspondence with the plurality of hollow-out areas, each filling part is located in the corresponding hollow-out area and is connected with the bonding layer, the thickness of the filling part in the first direction is smaller than or equal to the thickness of the supporting layer in the first direction, and the first direction is the thickness direction of the flexible display panel; the rollable display module can be curled along the curling direction; when the rollable display module is in a curled state, the two side walls, arranged in the curled direction, of the filling part make contact with the side wall of the hollow area. According to the rollable display module, heat conduction in the module can be enhanced, heat convection on the surface of the module can be enhanced, and then the heat dissipation capacity of the module is improved.

This application discloses a display device, belonging to the field of display technology. The display device includes: a support base, a scroll, a flexible display panel, and a support member. When the display device is in the retracted state, after the planar display portion of the flexible display panel retracts into the receiving cavity of the support base, the two chain engagement parts, which are engaged as rigid rods, can separate into two chain separation parts to retract into the receiving cavity. When the display device is in the unfolded state, and the planar display portion needs to be unfolded, the two chain separation parts can engage as rigid rods, and the end of the rigid rod opposite to the two chain separation parts is fixedly connected to the side of the planar display portion opposite to the rollable display portion, thereby driving the planar display portion to unfold. In this way, the unfolding and retraction of the display device can be achieved using a simple support member, improving the reliability of the display device and making the efficiency of the support member driving the flexible display panel to unfold higher.

A slidable and rollable display panel and an electronic device are provided. The display panel includes a planar area and a slidable and rollable area. The display panel at least includes a protective cover plate, an optical adhesive layer, a polarizer, a touch function layer, a display function layer, a back film and a support layer; the support layer at least includes a first adhesive layer, a patterned film layer, a second adhesive layer and a support member which are sequentially disposed from top to bottom; a first area of the patterned film layer corresponding to the slidable and rollable area is provided with a plurality of first mesh rows which are extended in a first direction and disposed parallel to each other in a second direction.

In aspects of rollable screen device thermal mitigation, a mobile device can be configured in a compact form factor and in an expanded form factor. The mobile device includes at least one heat source that generates heat within the mobile device. The mobile device implements a configuration manager that initiates expanding the mobile device from the compact form factor to the expanded form factor based at least in part on one of a thermal load, a device temperature, or a device component temperature. The mobile device can be a foldable mobile device, or an expandable mobile device with a rollable display screen configurable in one of multiple display states corresponding to respective device form factors.

The invention provides a rollable display device which can be miniaturized and can realize a free stop type. A display device (10) is provided with: a first shaft (12) and a second shaft (14) disposed in parallel; a sheet body (16) wound across the first shaft (12) and the second shaft (14); a first constant force spring (18A) that biases the first shaft (12) in the direction in which the sheet body (16) is wound; a second constant force spring (18B) that biases the second shaft (14) in the direction in which the sheet body (16) is wound; and an OLED (46) which is wound around the first shaft (12) in a laminated state with the sheet body (16) by winding the sheet body (16) around the first shaft (12), and which is unwound from between the first shaft (12) and the second shaft (14) by unwinding the sheet body (16) from the first shaft (12) to the second shaft (14). The unwinding of the OLED (46) is stopped at any position based on the torque generated by the first constant force spring (18A) and the second constant force spring (18B).

A display apparatus according to the present disclosure includes a substrate having a display area with a plurality of sub pixels and a non-display area adjacent to the display area. A transistor and a light emitting device are disposed respectively in each sub pixel. The substrate includes a plurality of base layers with at least one intermediate layer positioned between them. A pattern unit is formed in the intermediate layer so that the base layers above and below the intermediate layer directly contact each other through the pattern unit. The pattern unit may include through holes or slits of varying size or density to enhance bonding strength, prevent separation of the layers, and improve flexibility in regions subject to bending, folding, or external stress. This configuration allows reliable mechanical performance while supporting high quality display operation, including applications in foldable or rollable display devices.

An antenna assembly, communication device and method provide incorporating low band radio frequency communication transmission and reception antenna elements within a narrow and small spatial footprint. The antenna assembly has a first planar antenna element that includes a radiating end portion extending in a first direction and electrically connectable to an antenna feed and a radiating arm extending in an opposite second direction opposite. The antenna assembly has a second planar antenna element that includes a coupling arm extending in the second direction parallel to and spaced by a slit from the radiating arm with a coupling end portion extending in the second direction from the coupling arm and electrically connectable to an antenna ground. The communication includes a support structure having a rectangular prismatic shape with a front side and back side that are larger than left, right, top, and bottom sides. Antenna assembly(ies) are positioned on narrow edge(s).

The utility model discloses a display device, and belongs to the technical field of display. The display device comprises a supporting seat, a reel, a flexible display panel and a circuit board. The reel can be provided with a second containing cavity and a second opening, a circuit board in the display device can be located in the second containing cavity of the reel, and the side, away from the rollable display part, of the non-display part in the flexible display panel can stretch into the second containing cavity through the second opening of the reel. And the circuit board is electrically connected with the circuit board in the second accommodating cavity. Therefore, the circuit board has a proper placement position, and the reliability of the connection between the non-display part and the circuit board is ensured.

An antenna assembly, communication device and method provide incorporating low band radio frequency communication transmission and reception antenna elements within a narrow and small spatial footprint. The antenna assembly has a first planar antenna element that includes a radiating end portion extending in a first direction and electrically connectable to an antenna feed and a radiating arm extending in an opposite second direction opposite. The antenna assembly has a second planar antenna element that includes a coupling arm extending in the second direction parallel to and spaced by a slit from the radiating arm with a coupling end portion extending in the second direction from the coupling arm and electrically connectable to an antenna ground. The communication includes a support structure having a rectangular prismatic shape with a front side and back side that are larger than left, right, top, and bottom sides. Antenna assembly(ies) are positioned on narrow edge(s).

Embodiments of the present application provide a rollable display module and a display device. The display panel includes a flexible screen, a first support body, and a second support body. The first support body includes a first sub-layer, and the second support body includes a second sub-layer. The first sub-layer and the second sub-layer each include a plurality of protrusions arranged in an array, and a groove is arranged between adjacent protrusions. When the flexible screen is in an unfolded state and a curved state, the first sub-layer and the second sub-layer have different alignment and cooperation relationships. When the first sub-layer and the second sub-layer are attached to each other, the distance is reduced, which can ensure the support effect of the first support body and the second support body on the flexible screen. When the first sub-layer and the second sub-layer are separated from each other, the flexible screen has good bending and folding performance, thereby ensuring that the display panel and the device in the embodiments of the present application have good bending performance and good support effect, and the comprehensive performance of the panel is ensured.

In some aspects, a display device may receive a distance measurement from a sensor. The distance measurement may be indicative of a dimension of the rollable display panel of the display device. The display device may configure, based on the distance measurement, an output setting for displayed content of the rollable display panel according to the dimension. Numerous other aspects are described.

According to an aspect of the present disclosure, a display device includes a display unit which includes a display panel and a back cover supporting a rear surface of the display panel; an external roller configured to wind or unwind the display unit; an inner roller in the outer roller; and an intermediate gear which interworks a rotation of the outer roller with a rotation of the inner roller, and responsive to the display unit being wound or unwound, the outer roller and the inner roller rotate in opposite directions, by the intermediate gear.

The application relates to the technical field of display, and discloses a rollable display device, which comprises a flexible display panel and a heat dissipation device located at the backlight side of the flexible display panel; the heat dissipation device comprises a main body part, a plurality of exhaust parts, an air inlet device and an air outlet device; the main body part comprises a channel, the air inlet of the channel is connected with the air inlet device, and the air outlet of the channel is connected with the air outlet device; the exhaust part is connected with the main body part, and the exhaust part is located at the side of the main body part far from the flexible display panel; the exhaust part comprises a pipe body and a plug column, the pipe body comprises a passageway, and the passageway is in communication with the channel; when the air inlet device operates, the plug column blocks the passageway; and when the air outlet device operates, the plug column does not block the passageway. The application can realize heat dissipation of the flexible display panel, and the gas exhaust mode in the heat dissipation device is simple.