A projection screen apparatus having a perimeter frame and a substantially blank screen is provided.

Disclosed is a rollable and hidden laser television integrated machine. An electric panel opening mechanism, a screen lifting mechanism, a screen rolling and collecting mechanism, and a laser projection display device are arranged inside a television integrated machine main body. The screen lifting mechanism is movably arranged in a lifting groove. The top end of the screen is connected to the screen lifting mechanism, and the bottom end of the screen is connected to the screen rolling and collecting mechanism. A projection groove is formed at the middle position of the upper surface of the television integrated machine main body, and the top end of the electric panel opening mechanism is movably arranged in the projection groove. The laser projection display device is arranged under the electric panel opening mechanism. The middle portion of the box body is provided with a sound transmission mesh plate.

Disclosed is a rollable and hidden laser television integrated machine. An electric panel opening mechanism, a screen lifting mechanism, a screen rolling and collecting mechanism, and a laser projection display device are arranged inside a television integrated machine main body. The screen lifting mechanism is movably arranged in a lifting groove. The top end of the screen is connected to the screen lifting mechanism, and the bottom end of the screen is connected to the screen rolling and collecting mechanism. A projection groove is formed at the middle position of the upper surface of the television integrated machine main body, and the top end of the electric panel opening mechanism is movably arranged in the projection groove. The laser projection display device is arranged under the electric panel opening mechanism. The middle portion of the box body is provided with a sound transmission mesh plate.

An electronic device includes: a main body to which a rotating shaft is rotatably connected; a driving motor, provided on the main body, connected to the rotating shaft and configured to drive the rotating shaft to rotate; a flexible display screen, having a first side edge connected to the rotating shaft and capable of completely rolling the flexible display screen onto the rotating shaft or expanding the rolled-up flexible display screen, under a reciprocating rotation of the rotating shaft; and a sucking apparatus provided on the main body and configured to suck the electronic device onto a surface of a carrier.

An electronic device includes: a main body to which a rotating shaft is rotatably connected; a driving motor, provided on the main body, connected to the rotating shaft and configured to drive the rotating shaft to rotate; a flexible display screen, having a first side edge connected to the rotating shaft and capable of completely rolling the flexible display screen onto the rotating shaft or expanding the rolled-up flexible display screen, under a reciprocating rotation of the rotating shaft; and a sucking apparatus provided on the main body and configured to suck the electronic device onto a surface of a carrier.

A portable computer including a body having a processor is provided. The portable computer include a foldable member coupled to an edge of the body. The portable computer includes a monitor mounted on the foldable member and being configured to display data in a first direction with respect to the foldable member; an imaging device configured to receive data from the processor and to form a light beam representing the data; and an optical member configured to receive the light beam and to project an image in a second direction with respect to the foldable member.

A portable computer including a body having a processor is provided. The portable computer include a foldable member coupled to an edge of the body. The portable computer includes a monitor mounted on the foldable member and being configured to display data in a first direction with respect to the foldable member; an imaging device configured to receive data from the processor and to form a light beam representing the data; and an optical member configured to receive the light beam and to project an image in a second direction with respect to the foldable member.

A projection screen apparatus having a perimeter frame and a substantially blank screen is provided.

A projection screen apparatus having a perimeter frame and a substantially blank screen is provided.

A quick release projector screen includes a rectangular frame; two folding posts secured to a rear end of the frame using a plurality of first screws; and a screen attached to a front end of the frame using the first screws. There are further provided two first folding mechanisms disposed on each of top and bottom of the frame, two second folding mechanisms disposed on either side of the frame respectively, and two third folding mechanisms disposed on either post.