Abstract: A liquid crystal display (LCD) projector with active color separation lighting includes a projection light source, a condenser, a collimating lens, an incident polarizer, a dichroic mirror, an LCD light valve, a color combination mirror, an outgoing polarizer, a field lens and a projection lens all of which are distributed in sequence according to a direction of light travel. In the present invention, RGB three primary color rays of the projection light source are irradiated on the RR, GR and BR of the LCD light valve, respectively, ?? of the light originally blocked by the CF and the light originally blocked by the BM pass as much as possible or even completely through R, G and B sub-pixels, which fundamentally improves the transmittance of the LCD light valve, so that the efficiency of the optical system is completely improved.

Abstract: A projection apparatus including a housing and a first projection module is provided. The housing includes a curved projection area and an opening, wherein the curved projection area includes an inner surface and an outer surface opposite to each other. The first projection module is detachably disposed in the housing through the opening and corresponds to the curved projection area, wherein the first projection module projects an image onto the inner surface of the curved projection area, such that the outer surface of the curved projection area displays the projected image. The projection apparatus provided by the invention has the curved projection area to dynamically display a stereo image.

Abstract: Described are various embodiments of a digital display device for use by a user having reduced visual acuity. In one embodiment, the device comprises: a digital display medium comprising an array of pixels and operable to render a pixelated image accordingly; a light field shaping layer defined by an array of light field shaping elements and disposed relative to said digital display so to align each of said light field shaping elements with a corresponding set of said pixels to shape a light field emanating therefrom and thereby at least partially govern a projection thereof from said display medium toward the user; and a hardware processor operable on pixel data for the image such that said processed image is rendered to at least partially compensate for the user's reduced visual acuity.

Abstract: An optical unit includes first to third prisms. The first prism has a first coated surface configured to reflect illumination light in a first wavelength band, a first surface, and a first light transmitting surface. The second prism has a second coated surface configured to reflect the illumination light in a second wavelength band, a second surface, and a second light transmitting surface. The third prism has a third light transmitting surface, and a fourth light transmitting surface. The first prism is formed with normal lines of the first coated surface, the first surface, and the first light transmitting surface being out of coplanar with each other, and/or the second prism is formed with normal lines of the second coated surface, the second surface, and the second light transmitting surface being out of coplanar with each other.

Abstract: A laser system includes a laser source generating a laser beam having ultra-short pulses; a laser delivery assembly optically receiving the laser beam and comprising: a beam splitter configured to split the laser beam between a first beam delivery path and a second beam delivery path; and at least one focusing lens optically coupled to the beam splitter and configured to focus the laser beam from each of the first beam delivery path and the second beam delivery path to a focal point on a predefined plane; wherein the first beam delivery path intersects the predefined plane at a first angle, the second beam delivery path intersects the predefined plane at a second angle, and a first pulse from the first beam delivery path and a second pulse from the second beam delivery path are coincident at the focal point.

Abstract: A microelectromechanical mirror device has a fixed structure defining a cavity. A tiltable structure carrying a reflecting surface is elastically suspended above the cavity with a main extension in a horizontal plane. Elastic elements are coupled to the tiltable structure and at least one first pair of driving arms, which carry respective regions of piezoelectric material, are biasable to cause rotation of the tiltable structure about at least one first axis of rotation parallel to a first horizontal axis of the horizontal plane. The driving arms are elastically coupled to the tiltable structure on opposite sides of the first axis of rotation and are interposed between the tiltable structure and the fixed structure. The driving arms have a thickness, along an orthogonal axis transverse to the horizontal plane, smaller than a thickness of at least some of the elastic elements coupled to the tiltable structure.

Abstract: Using different deformation maps that have elements corresponding to respective pixels deriving from an original image and have low-spatial frequency components, the elements indicating a moving direction and a moving amount of the corresponding pixels, the pixels deriving from the original image are moved in a moving direction by a moving amount, the moving direction and the moving amount being specified by the elements corresponding to the respective pixels, and modulated images are obtained. The modulated images are separated into brightness components and color components to obtain brightness component images and color component images, brightness of brightness component images and/or color of color component images is modulated to obtain brightness-modulated image and/or color-modulated image, and a video is obtained, the video being configured by arranging integrated images obtained by integrating the obtained brightness-modulated images and/or color-modulated images.

Abstract: The present invention relates to display systems that use materials made from various arrangements of lenses and other optical materials. Careful design and use of these materials can be used to achieve display systems with many desirable visual effects having applicability in image and video displays, virtual reality, immersive environments, as well as in architecture, art, entertainment, and interactive systems.

Abstract: A light modulating device for a display apparatus includes a light source, and a light modulator including a point illumination source part and a light transmitting part. The point illumination source part is substantially surrounded by the light transmitting part. The point illumination source part is configured to receive polarized light from the light source to form a point illumination source. The point illumination source transmits the polarized light from the light source to a reflective display panel. The light transmitting part is configured to receive light reflected by the reflective display panel and configured to transmit light reflected by the reflective display panel to a light beam collector.

Abstract: An image display device according to the present disclosure includes a first self-light-emitting display element that emits light for an image of red light, a second self-light-emitting display element that emits light for an image of blue light, a third self-light-emitting display element that emits light for an image of green light, and a prism having a dichroic mirror that synthesizes images of three colors, in which the first self-light-emitting display element, the second self-light-emitting display element, and the third self-light-emitting display element have a first cathode, a second cathode, and a third cathode, respectively, and when a film thickness of the first cathode is referred to as TR, a film thickness of the second cathode is referred to as TB, and a film thickness of the third cathode is referred to as TG, a relationship TR<TG is satisfied.

Abstract: A method of controlling an image projection system that includes a plurality of projectors including a first projector and a second projector having a lens shift function, and that includes an imaging device, includes: projecting, by the first projector, a first pattern having a first color tone; projecting, by the second projector, a second pattern having a second color tone; generating, by the imaging device, a captured image obtained by capturing a composite image including the first and second pattern; determining, by the first projector, whether an area of an overlapping portion of the second pattern in the captured image is equal to or larger than a predetermined ratio; and causing, by the first projector, the second projector to perform lens shift by the lens shift function of the second projector such that the second pattern overlaps the first pattern, when the area is less than the predetermined ratio.

Abstract: The invention relates to a head-up display device for representing information in a field of view of an observer. The head-up display device comprises at least one projection device, a deflection device which comprises at least one deflection element at which incident light beams are deflected, a sensor device, and a control device. The sensor device is used for detecting data of at least one test beam which is incident on the deflection device. The control device is used for determining at least one aberration caused by the deflection device and for determining at least one correction signal in real time.

Abstract: A viewing devices includes an optical assembly comprising a display, an optical system forming of this display an image at infinity and a light guide for expanding a pupil in two spatial directions. The guide comprises three planar mirrors and two semi-reflective plates, the optical axis of the optical assembly being inclined with respect to the surface of the first planar mirror by an angle different from zero and strictly smaller than 90 degrees, the light beams output from the optical assembly propagating inside the light guide via successive reflections from the planar mirrors and the semi-reflective plates, the transmission of the light beams output from the optical assembly to outside of the light guide occurring via successive transmissions by the second semi-reflective plate.

Abstract: The present invention describes an image display apparatus for directing an image towards an observer. The apparatus comprises a source of image point rays; a collimating device configured to collimate image point rays to produce collimated image rays; and, a prism sheet configured to receive the collimated image rays. The prism sheet comprises an array of micro-prisms, each micro-prism having two reflective facets arranged such that each collimated image ray is reflected off one facet and then an adjacent facet. Reflection from the second facet reorients the collimated image rays towards an image observation zone. The collimated image rays from an upper portion of the prism sheet converge with collimated image rays from a lower portion of the prism sheet within the image observation zone. The present invention also describes a method for directing an image towards an observer.

Abstract: The present disclosure relates to augmented reality glasses, including: a transparent display device for displaying an image; a polarizing element configured to convert external light incident to the transparent display device into polarized light in the first direction of the external light, which polarized light transmits through the transparent display device; a light-splitting element configured to transmit polarized light in the first direction of light for displaying the image and polarized light in the first direction of the external light, and reflect polarized light in the second direction of the light for displaying the image; and a light-reflecting structure configured to receive the polarized light in the second direction reflected by the light-splitting element and totally reflect it into a viewing angle range of eyes of a user wearing the augmented reality glasses. The glasses will not block the line of sight on the side of the user.

Abstract: A cinema projection method and system are provided, to perform GDR transformation on an original DCP while keeping a luminance component value of pure black unchanged. A transformed DCP has a brighter display luminance than the original DCP, and a display luminance of pure black remains unchanged. By adjusting the PWM, the brightness of a screen display is reduced. To ensure that the transformed DCP has a consistent display luminance with the original DCP, a luminance adjustment consistency mapping model of a local cinema is used to transform a standard PWM level of each frame of the original DCP, to obtain a local PWM level of each frame of the local cinema.

Abstract: A special effects system for creating a unique walking character effect or illusion. The character appears to the observer to be a physical character or to have dimensionality rather than being two dimensional. The illusion or effect is achieved by mounting a projector and a thin, vertical, flat screen onto an automated cart or sled. The cart is adapted to roll on a track positioned to run from a backdrop or backwall toward a viewing space in which one or more observers or viewers may be located during system operations. The media (or video file) of the character walking is projected on the projection surface of the screen element with the projector. The sled or cart is triggered to roll forward toward the viewing space as the media is playing so that the projected image appears to be moving and getting closer to the viewer.

Abstract: An image display device according to the present disclosure includes a first self-luminous display element that self-emits an image of first color light, a second self-luminous display element that self-emits an image of second color light, a third self-luminous display element that self-emits an image of third color light, and a prism including a dichroic mirror that synthesizes images of three colors, the first, the second, and the third self-luminous display element are each configured to extract light from a side of a semireflective semitransmissive electrode included in the first, the second, and the third self-luminous display element, and at least one of sums of a thickness of a transparent electrode and a thickness of an optical adjustment layer differs from other in the first, the second, and the third self-luminous display element.

Abstract: Optical scanning apparatus includes an emitter array, including a semiconductor substrate and a plurality of optical emitters, which are configured to emit respective beams of optical radiation and which are arranged on the semiconductor substrate in an array of rows and columns, the columns having mutually-parallel column axes. A scanner is configured to intercept and deflect the emitted beams at respective angles that vary about a scan axis that is parallel to the column axes. Control circuitry is configured to select the optical emitters that are to be actuated to emit the respective beams in each of a succession of time slots and to drive the scanner in synchronization with the time slots to deflect the emitted beams at an angular scan rate selected so as to cause the beams emitted from successive columns of the array to impinge on an image plane in succession along a common line.

Abstract: An image display apparatus according to an embodiment of the present technology includes an emitter, an irradiation target object, an optical unit, and a polarization control unit. The emitter emits image light along a predetermined axis. The irradiation target object is disposed in at least a part of an area around the predetermined axis. The optical unit is disposed to be opposite to the emitter by using the predetermined axis as a reference and causes the emitted image light to enter the irradiation target object. The polarization control unit controls a polarization state of the image light that enters the irradiation target object in accordance with a shape of the irradiation target object.