A system and method for the projection of virtual 3-D images onto a surface with perspective shifting viewing capability including: a source of data for at least two different paired left-right view sets of one subject, an image reflecting surface, and a projector capable of simultaneously projecting pairs of left-right view sets, and capable of changing projected left-right view sets of images from a first set to a second set to create a stereopsis effect in which content of a complete projected image appears to move in perspective.

A projection apparatus including a projection device, a reflecting component, and an image capturing device is provided. The projection device is adapted to project an image light beam to form a projection image. The reflecting component is disposed on the projection device and has a reflecting surface. The image capturing device is disposed on the projection device and has an image capturing end. The image capturing end faces the reflecting surface. The reflecting surface is adapted to reflect the projection image to the image capturing end.

A projection apparatus, including an illumination system, a light valve, a first movable reflector, a first projection lens, a second projection lens, and a driving module, is provided. The illumination system is configured to provide an illumination light beam. The driving module is connected to the first movable reflector and is configured to drive the first movable reflector to move. The projection apparatus has a first projection mode and a second projection mode for being performed. In the first projection mode, the driving module controls the first movable reflector to move to a first position. In the second projection mode, the driving module controls the first movable reflector to move to a second position, and the first movable reflector is not located on a transmission path of an image light beam.

A laser projector includes a laser source, a first dichroic mirror, a wavelength conversion module, a second dichroic mirror, a first, a second and a third light valves and a beam combiner. The laser source is for providing a blue beam including a first portion and a second portion. The first dichroic mirror is for receiving and allowing the blue beam to penetrate. The wavelength conversion module is for receiving the first portion and emitting a yellow beam to the first dichroic mirror. The second dichroic mirror is for receiving and separating the yellow beam reflected by the first dichroic mirror into a green and a red beam. The first, second and third light valve are for receiving and modulating respectively the second portion of the blue beam, the green beam and the red beam. The beam combiner is for the beams to form a multi-color image.

A light source generating device, a projection apparatus and a light source generation method are provided. The light source generating device includes a first light source, an auxiliary light source, a control device, a driver and a current command generator. The first light source generates a first light beam. The auxiliary light source generates an auxiliary light beam corresponding to the first light beam. The control device generates a first driving signal to drive the first light source. The driver generates an auxiliary driving signal to drive the auxiliary light source according to the gate control signal and a current command. The current command generator receives an indication signal, and generates the current command according to the indication signal, wherein the indication signal corresponds to a driving current of the first light source. The invention has an effect of enhancing brightness/chrominance.

A liquid crystal projector includes a liquid crystal panel having a pixel circuit that modulates light based on video data corresponding to each of pixels, and a shift device configured to shift the modulated light by the pixel circuit so that a position of a projected pixel on a screen by the modulated light is shifted for each of the pixels, wherein the pixel circuit modulates n pixels of a first group, n being an integer of 2 or more, from among pixels of an image specified by video data in first frame period, and modulates n pixels of a second group in second frame period next to the first frame period, and the n pixels of the first group are different from the n pixels of the second group.

A system and method for the projection of virtual 3-D images onto a surface with perspective shifting viewing capability including: a source of data for at least two different paired left-right view sets of one subject, an image reflecting surface, and a projector capable of simultaneously projecting pairs of left-right view sets, and capable of changing projected left-right view sets of images from a first set to a second set to create a stereopsis effect in which content of a complete projected image appears to move in perspective.

A rotation wheel, comprising a substrate, a driving assembly, a clamping member and a balancing assembly. The driving assembly is connected with the substrate, and is configured to drive the substrate to rotate around an axis of the driving assembly as the central axis. The clamping member is disposed along the axis on the substrate. The balancing assembly includes at least one balancing material, an adhesive material and at least one channel. The adhesive material encapsulates the balancing material and is filled into the channel to fix the balancing assembly onto the clamping member. The rotation wheel and the projection apparatus of the invention exhibit favorable structural reliability.

The disclosure provides a projection system and a gamma curve correction method. The projection system includes a projection target and a projection device. A test image is projected on the projection target. The projection device obtains a first gamma curve of the test image by receiving the test image projected on the projection target or sensing a light beam of the projected test image, and judges whether multiple difference values between the first gamma curve and a preset gamma curve is larger than a preset value. The first gamma curve is corrected to generate a second gamma curve when at least one of the difference values is larger than the preset value. The projection system and the gamma curve correction method of the disclosure provides an ideal gamma curve according to the output performance of the use situation.

The disclosure relates to a projection system and an operation method thereof. The projection system includes a central control platform and a projection apparatus. The central control platform generates a sequence signal according to a self-defined setting. The projection apparatus is coupled to the central control platform and includes a power circuit, a first processing circuit, and an optical engine module. The power circuit passes the sequence signal through an energy storage element to generate a power supply. The first processing circuit performs an operation based on the power supply to generate a decoding result according to the sequence signal. The optical engine module obtains image information according to the decoding result and generates a display image according to the image information.