Abstract: An image projection system utilising a digital mirror device with pivotable mirrors and an asymmetric angular illumination of the mirrors.

Abstract: The problem of 3D panel display systems either (a) requiring special glasses to separate left and right viewing images, or (b) having auto-stereoscopic 3D with compromised fidelity, is solved by providing a projection three dimensional (3D) display system for providing glass-free, 3D display to a plurality of viewing volumetric pairs (VVAs) in space corresponding to a hypothetical plurality of viewers' eye aperture pairs, the projection 3D display system comprising: (a) a dual-image projector configured to project both a left viewing tri-color image and a right viewing tri-color image; and (b) means for (1) receiving a tri-color mixed input beam encompassing the left and right viewing tri-color images, (2) multiplying the tri-color mixed input beam into a plurality of tri-color mixed output beams, and (3) focusing the plurality of tri-color mixed beams for viewing at the VVAs.

Abstract: The present invention provides a display system for displaying image data. The display system comprises a light source; a spatial light modulator including a plurality of controllable reflective elements; a light source controller, configured to control the light source to emit, in each of a plurality of time intervals, light with a different illumination power level, wherein the time intervals have the same length; and a spatial light modulator controller, configured to activate, based on received image data, the plurality of controllable elements for at least one of the time intervals for directing the light from the light source for display the image data. Accordingly, the frame rate and bandwidth of the display system are increased significantly so as to be suitable for the light filed applications.

Abstract: Provided are a method and an apparatus for correcting a color convergence error. The method includes: in a dark room environment, collecting a projection light point on a projection screen projected by a projection system, to obtain a projection image; adjusting the test pattern, so that a first projection light point corresponding to the white point of a first coordinate on the test pattern after being projected by a first color light source is located in a center of the projection image; obtaining a second and/or a third projection light points corresponding to the white point of the first coordinate after being projected by a second and/or a third color light sources from the projection image; and adjusting an assembly parameter of the projection system according to a position of the second and/or the third projection light points and a position of the first projection light point.

Abstract: Disclosed is a head-up display device for a vehicle including at least one light source, a liquid crystal display, and at least one polarization converter disposed between the light source and the liquid crystal display and configured to convert unpolarized light generated by the light source into single linearly polarized light and to provide the single linearly polarized light to the liquid crystal display.

Abstract: An laser projection apparatus includes: a laser projection apparatus housing, a laser source system disposed in the apparatus housing, and the laser source system including a first laser outlet, an optical engine disposed in the apparatus housing, and the optical engine including a second laser inlet and a third laser outlet, and the second laser inlet being connected to the first laser outlet; a lens system disposed in the apparatus housing, and one end of the lens system extending to the third laser outlet; and at least one circuit board. The lens system and the optical engine are disposed along a first direction of the apparatus housing to divide space in the apparatus housing into a first region and a second region.

Abstract: The present disclosure relates to an information processing apparatus and method that allow an image projection position to be controlled with more ease. Correction information of an image is generated such that the image is projected onto a desired region of a real space. For example, the correction information is generated such that the projected image is located at a desired position as seen from a given viewpoint position. Also, for example, a correction vector is generated that corrects each pixel position of the image as the correction information. The present disclosure is applicable, for example, to an information processing apparatus, a projection apparatus, an imaging apparatus, a projection imaging apparatus, a projection imaging control apparatus, an image projection imaging system, or the like.

Abstract: A display apparatus includes a display element, an optical element, a projection optical system, a driver, and a controller. The display element includes a display surface having subpixels arranged in a grid pattern along a first direction and a second direction approximately orthogonal to the first direction. The optical element is configured to define a beam direction of image light emitted from the subpixels in each of strip-shaped regions that extend in the second direction on the display surface. The projection optical system is configured to project image light having the beam direction defined by the optical element to form a virtual image of the display surface. The driver is configured to displace the optical element. The controller is configured to displace the optical element using the driver.

Abstract: A projector includes a lens, a displacement adjusting unit, an imaging unit, a temperature sensing unit, a storage unit and a processing unit. The displacement adjusting unit is connected to the lens. The temperature sensing unit senses a current temperature. The storage unit stores a plurality of temperature ranges and a plurality of displacement variations corresponding to the temperature ranges. The processing unit receives a current image. The processing unit compares the current temperature with the temperature ranges to determine a current displacement variation corresponding to the current temperature from the displacement variations. The processing unit performs at least one of following steps according to the current displacement variation: controlling the displacement adjusting unit to adjust a displacement of the lens; adjusting a displacement of the current image on the imaging unit; and performing an image adjusting process for the current image.

Abstract: A display module of the present disclosure includes a display module main body and a housing. The display module main body includes a first, a second display element, and a prism. The housing includes a first, and a second frame. The first frame holds the first display element in a state in which the prism is positioned between a first and a second plate portion, and in which a third plate portion is in contact with the first display element and faces a first surface, and the second frame holds the second display element in a state in which the prism is positioned between a fourth and a fifth plate portion, and in which a sixth plate portion is in contact with the second display element and faces a second surface.

Abstract: A projection augmented reality headset (ARHS), providing a wide field of view and an optimized eye relief. THE ARHS includes a projection having an imager and imaging optics which provides image light to a partially reflecting combiner. Further, the partially reflecting combiner configured to receive the image light, and is configured to re-direct the image light towards an eye box, with an eye relief offset between the partially reflecting combiner and the eyebox. As such, the imaging optics include a combination of lens elements having symmetrical or free-form lens surfaces that are tilted and decentered to expand a field of view.

Abstract: A compact size light engine apparatus is disclosed, comprising at least a wedged dichroic mirror or a dichroic X-plate/cube to combine multiple RGB LEDs, and a folded light path assembly with a folding mirror or a right-angle prism for a miniaturized light engine system. Furthermore, the compact size light engine apparatus may comprise at least a long red wavelength light source with peak wavelength over 630 nm. A 2-channel/3-channel/4-channel compact size light engine configuration is disclosed that comprise at least one red light source, one blue light source, and one green light source, combined by a wedged dichroic mirror or a dichroic X-plate/cube into co-axis light path without Etendue increase and illuminate digital mirror device (DMD) micro-display and afterwards project the image from the micro-display onto the screen through projection lens.

Abstract: Provided are an imaging element configured to display an image, a projection optical system configured to project an image from the imaging element, and a two-stage structural diaphragm including a first diaphragm forming a first aperture portion in the projection optical system, and a second diaphragm forming a second aperture portion in the projection optical system, in which inclinations of a principal ray, relative to an image plane of an imaging element, of imaging light emitted from a peripheral portion of the image plane differ between in a first direction and in a second direction perpendicular to the first direction among in-plane directions of the image plane, in which the first diaphragm and the second diaphragm in the two-stage structural diaphragm are provided at different positions corresponding to differences between the inclinations of the principal ray in the first direction and in the second direction.

Abstract: A projection-type display apparatus synthesizes and emits light emitted from a plurality of liquid crystal devices with a projection optical system. Provided that a liquid crystal at an inner side of a seal material in the plurality of liquid crystal devices is V1 in volume and a liquid crystal in a display region is V2 in volume in the plurality of liquid crystal devices, in a second liquid crystal device (a liquid crystal device for blue light) on which light having a wavelength shorter than the wavelength of light being incident on a first liquid crystal device (a liquid crystal device for green light) is incident on the display region, a liquid crystal volume ratio V1/V2 is greater than that of the first liquid crystal device, among the plurality of liquid crystal devices.

Abstract: The cross dichroic prism according to the present disclosure includes four prisms and two dichroic mirrors. Each of the four prisms has a triangle-prism shape. The four prisms are arranged to form a quadrangular prism as a whole in a manner such that the ridge line portions are located close to each other, a first plane of one prism faces a second plane of another prism, and a third plane faces outward. Each of the two dichroic mirrors is constituted of a dielectric multilayer film provided between the first plane of one prism and the second plane of another prism. The outermost layer of a dielectric layer constituting the dielectric multilayer film is provided in contact with each of the first plane of the one prism and the second plane of the other prism.

Abstract: An image display apparatus according to an embodiment of the present technology includes an optical modulator, an optical device, and a sensor unit. The optical device splits a modulated light beam modulated by the optical modulator into a first split light beam and a second split light beam, the first split light beam and the second split light beam each travelling in a different direction, and prevents a light beam, which backwardly travels on an optical path of the first split light beam and enters the optical device, from travelling along an optical path of the second split light beam. The sensor unit is disposed on the optical path of the second split light beam and detects a state of the second split light beam.

Abstract: A wavelength conversion element according to the present disclosure includes a cemented body obtained by bonding a first wavelength conversion member which is excited by first light to emit second light having a wavelength band different from a wavelength band of the first light, and a first light guide member configured to transmit the first light and the second light, and a reflecting member which is disposed so as to be opposed to at least one surface parallel to a first direction out of a plurality of outer circumferential surfaces of the cemented body, and reflects at least one of the first light and the second light.

Abstract: An entertainment enhancement system includes an infrared projection system configured to output an infrared image to a target surface. The infrared projection system includes a controller configured to coordinate projection of the infrared image with a separate action by generating instructions for projecting the infrared image based on data received by the controller indicative of an active status of the separate action and an infrared emitter configured to receive the generated instructions and emit the infrared image to the target surface. The system also includes a viewing device configured to be wearable by a user. The viewing device includes at least one lens and a filter assembly configured to shift the infrared image from an infrared frequency to a visible light frequency such that the infrared image is viewable on the target surface via the viewing device.

Abstract: The invention is directed to a head-up display 2 having a light source 231, a diffuser 232,235,236, a transmissive display 3, a mirror element 251 and a transmissive screen 21. According to the invention the head-up display 2 is further provided with a contrast enhancer display 4 that is arranged adjacent to the transmissive display 3.

Abstract: An image display module according to the present disclosure includes a first display panel including a plurality of first pixels each including a first light-emitting element, the first display panel being configured to emit first colored light of a first wavelength region, a second display panel including a plurality of second pixels each including a second light-emitting element and a plurality of third pixels each including a third light-emitting element, the second display panel being configured to emit second colored light of a second wavelength region, and emit third colored light of a third wavelength region, and a synthesis optical system including a dichroic prism which including a dichroic mirror and being configured to synthesize the first, the second, and the third colored light, the dichroic mirror being configured to transmit or reflect the first colored light and reflect or transmit the second and the third colored light.