A shaping system and method of shaping with the shaping system. The shaping system may include a spatial light modulator. The shaping system may include a radiation source to illuminate the spatial light modulator with actinic radiation. The shaping system may include a beam splitter configured to receive actinic radiation from the spatial light modulator and emit a first image of the spatial light modulator and a second image of the spatial light modulator. The shaping system may include a beam combiner configured to receive the first image and the second image and emit a combined image. The combined image may include the first image; and the second image offset from the first image. The shaping system may include a projection system configured to receive the combined image and illuminate formable material between a template and a substrate with a projected image at a plane of the formable material.

Multiple projector-enabled content targeting using diffraction grating is provided. A projector of a plurality of projectors in a display device is selected to project a particular color of a plurality of different colors at a predefined intensity to a content slot in a set of content slots via a corresponding diffraction grating to provide different content in full color images to respective viewers of a set of viewers at different viewing angles relative to the display device simultaneously. The different content is projected in the full color images to the respective viewers at the different viewing angles simultaneously using each particular projector of the plurality of projectors to project its particular color of the plurality of different colors at the predefined intensity to each particular content slot of the set of content slots via each corresponding diffraction grating.

The projection device includes a light source, a liquid crystal on silicon (LCoS) panel, and a circuit. The circuit is configured to obtain a target image including a target pattern, and generate two content images. Each content image includes a duplicated pattern of the target pattern, and the duplicated patterns are off-axis shifted to the same coordinate when performing a computer-generated hologram (CGH) algorithm, so as to generate a phase image. The LCoS panel is driven according to the phase image to display a reconstructive image at a reconstructive distance.

A projection device and a controlling method of the projection device are provided. The projection device includes a light emitting module, a driver, a light valve, a projection lens and a processor. The light emitting module generates a light beam according to a driving current respectively. The driver generates the driving current and transmit the driving current to the light emitting module according to an operating signal. The light valve receives the light beam to form an image light beam. The projection lens projects the image light beam. The processor provides the operating signal with a default period to the driver and provides an operation of the light valve. According to the operating signal or the operation of the light valve, the driver generates the driving current lower than a default current during a first time interval in the default period.

A projector in an installation information acquisition method is installed in a real space, has a changeable projection direction, and projects a projection image based on a virtual image. The virtual image is an image in a case where an image arranged at a display position in a virtual space is viewed from a virtual installation position. The method includes first acquisition processing for acquiring positional information of three or more first adjustment points in the virtual space, projection processing for projecting, by the projector, an index image onto the real space, second acquisition processing for acquiring angle information of the projection direction with respect to a reference direction in a state where the index image matches three or more second adjustment points respectively corresponding to the three or more first adjustment points, and third acquisition processing for acquiring installation information based on the positional information and the angle information.

An interactive projection system including a projector and a touch interactive light source device is provided. The projector includes a projection optical engine, a camera module, and a control module. The touch interactive light source device includes at least one infrared light source module and a wireless signal transmission module. The control module is electrically connected to the projection optical engine and the camera module, and controls the touch interactive light source device through the wireless signal transmission module, so that the touch interactive light source device is placed in a recommended installation position and the interactive projection system is in an interactive mode. An operation method of the interactive projection system is also provided.

A projection device includes a display panel including a plurality of OLEDs that emit light in a predetermined direction, and an optical path shift element that shifts an optical path of light emitted from the plurality of light emitting elements. The display panel turns on the plurality of OLEDs in a light emission sub-frame, turns off the plurality of OLEDs in a vertical scanning blanking period, and turns on the plurality of OLEDs in a light emission sub-frame, and the optical path shift element fixes the optical path in the light emission sub-frame and shifts the optical path in the vertical scanning blanking period.

A projection apparatus, an illumination apparatus thereof, and a light source driving method thereof are provided. A control module converts a bit control signal into first light source timing signals, converts the first light source timing signals into second light source timing signals according to a lookup table, generates a driving current corresponding to each light source according to the lookup table, outputs second light source driving signals corresponding to the light sources according to the second light source timing signals. The lookup table includes a driving current ratio corresponding to the light sources. A driving module drives the light sources according to the second light source driving signals and the driving current for the light sources to have overlapping light-emitting timings.

There is provided a method including obtaining an initial spatial coordinate of a pixel of an image to be projected. The method may also include generating a pre-warped spatial coordinate associated with the initial spatial coordinate. The pre-warped spatial coordinate may be calculated as a sum of a value of a warp path function at the initial spatial coordinate and a delta. Moreover, the method may include outputting the pre-warped spatial coordinate.

A projection apparatus includes a screen, a reel, a projection display structure and a control assembly. The projection display structure is configured to project at least one image to be displayed. Each image to be displayed includes an optical image with content. The screen is configured to display at least one optical image with content in the at least one image to be displayed. The control assembly is connected to the reel and is configured to control the reel to rotate. The reel is further connected to the screen and is configured to drive the screen to move when rotating. The control assembly is further connected to the projection display structure, and the control assembly is further configured to control the projection display structure to project the optical image with content in the image to be displayed onto an unfolded portion of the screen.