The present disclosure is applicable to a display apparatus-related technical field, and relates to, for example, a rotating display apparatus using a light-emitting diode (LED) which is a semiconductor light-emitting device. A rotating display apparatus using a light-emitting device, of the present disclosure, comprises: a stationary part including a motor; a rotary part located on the stationary part and rotated by the motor; and a light source module which is coupled to the rotary part, and which includes at least one panel that is radially arranged or at least one panel that is arranged along a cylindrical surface, and a light-emitting device array having individual pixels arranged on each panel in the longitudinal direction, wherein some individual pixels of the light-emitting device array arranged on one panel can have an offset in the direction perpendicular to the longitudinal direction.

The present disclosure is applicable to a display apparatus-related technical field, and relates to, for example, a rotating type display apparatus using light emitting diodes (LEDs) which are semiconductor light emitting devices. According to the present disclosure, the rotating type display apparatus using the light-emitting devices comprises: a fixed portion including a motor; a rotating unit located on the fixed portion and rotated by the motor; and a light source device coupled to the rotating unit and implementing a display by using an afterimage while rotating with the rotating unit, wherein the light source device may comprise: at least one panel radially arranged or at least one panel arranged along a cylindrical surface; a light emitting device array in which individual pixels are arranged in the lengthwise direction on each panel; and a barrier wall located on the panel on at least one side of the individual pixels.

A moon phase display includes a frame and a plurality of display elements supported by the frame and rotatable relative to the frame. The plurality of display elements further includes a first side face on which an illuminated moon portion is depicted and a second side face. A first rotational position in which the first side face is arranged along a display plane wherein the first side faces together arranged on along the display plane represent a full moon. A second rotational position in which the second side face is arranged along the display plane. A drive rotates each of the plurality of display elements independently. A controller actuates the drive so that each one of the plurality of display elements is rotated into the second rotational position until all of the plurality of display elements are located in the second rotational position.

The present disclosure can be applied to display device-related technical fields and relates to a rotatable display device using, for example, light-emitting diodes (LEDs), which are semiconductor light-emitting diodes. According to the present disclosure, the rotatable display device using light-emitting diodes may comprise: a fixing unit comprising a motor; a rotation unit which is provided on the fixing unit and has a first side coupled to the motor and a second side rotatably coupled to a rotation coupling part, and rotates, the second side being a side opposite to the first side; and a light source module provided in the rotation unit and comprising at least one panel provided along a virtual cylindrical outer circumferential surface thereof and a light-emitting diode array in which individual pixels are provided on each panel in the longitudinal direction.

A device for utilizing a surface, such as the surface of a floor, outside wall or roof, for a variable function, including a first functional element with an active surface area the size of at least a part of the surface, at least one second functional element with an active surface area the size of at least a part of the surface, and a rotatable carrier for varying, on at least a part of the surface, the functional element with which the surface is utilized. A method for utilizing a surface for a variable function is also shown.

Embodiments of the present disclosure provide a display device including a transparent display panel, a housing in which the transparent display panel is disposed, a rotating opening/closing member having a first end and a second end rotatably coupled to the housing to open and close the rear of the housing, a driving member mounted on the housing to rotate the rotating opening/closing member, and a connecting member connected to the second end of the rotating opening/closing member and transmitting the rotational force of the driving member to the rotating opening/closing member.

A system having at least one support, a housing mounted on the at least one support, a plurality of panels rotatably mounted in the housing and configured to present first and second display faces, each panel having first and second opposing faces that meet at opposing longitudinal first and second edges, the plurality of panels including a first panel having a portion of a first character removed from the first edge of the first panel, a second panel having a remaining portion of the first character removed from the second edge of the second panel, the first and second panels cooperating so that when the first and second panels are rotated with the respective first and second edges adjacent each other, the portion of the first character on the first panel and the remaining portion of the first character on the second panel cooperate to form a visual display of the complete first character, and a mechanism coupled to the plurality of panels and configured to cause the plurality of panels to rotate in unison in the housing and change the display face.

A multipurpose advertisement board comprising: a window; a vertical film comprising multiple film strips connected in series; a first image expression device comprising an operating unit rotatably connected to a vertical winding roller in upper and lower portions of the frame that vertically move the vertical film to display the multiple film strips in order; a horizontal film comprising multiple film strips connected in series; a second image expression device installed on the window frame, wherein the second image expression device comprises an operation unit rotatably connected to a horizontal winding roller installed in left and right portions of the window frame to rotate or release the horizontal film, thereby horizontally moving the horizontal film so that the multiple film strips of the horizontal film overlap with the film strips of the vertical film to make a combined image.

In some examples, a pixel comprises a plurality of subpixels, wherein each subpixel includes a micro-motor, a rotatable substrate in which the micro-motor is embedded, and a plurality of micro-light emitting diodes (LEDs) embedded in the rotatable substrate.