Abstract: A multimedia device including a main structure defining a supporting surface extending along a main direction and curved along a single direction oblique with respect to the main direction to form a curved profile, a plurality of secondary structures each defining a fastening surface and suitable to be fastened to the structure in a reciprocally continuous manner along the main direction and the curved profile to entirely cover the supporting surface and form a broken profile approximating to the curved profile, and a plurality of modules including a screen each configured to project images, wherein each of the secondary structures includes a support formed as a single piece and a plurality of modules arranged adjacent to one another along the main direction on the support.

Abstract: In an aspect, a chromatic facade unit for being attached to a wall (1A) of a building (1) is disclosed that can form a facade (3) of the wall (1A). The chromatic facade unit (11) comprises a support structure (15), a chromatic reflective layer (17) formed on the support structure (15), the chromatic reflective layer (17) comprising reflective layer (43) and a chromatic diffusing layer (41), wherein the chromatic diffusing layer (41) is configured to provide for a specular reflectance that is larger in the red than in the blue and for a diffuse reflectance that is larger in the blue than in the red, and the reflective layer (43) is configured to reflect visible light having passed through the chromatic diffusing layer (41).

Abstract: A device for positioning and fixing a clamping frame onto an object to be embroidered or printed, or for positioning the object to be embroidered or printed and arranged on a holder relative to the embroidering or printing motif. The device may include at least one projection means, e.g., a data projector, projector or augmented reality glasses, which projects onto the object at least one projection object stored in a data processing device, or else displays this in the augmented reality glasses. The data processing device may also include a memory in which is stored or will be stored after positioning has taken place: the type, size and/or shape of the object to be embroidered or printed, the motif to be embroidered or printed, and the position at which the motif is to be embroidered or printed on the object.

Abstract: A wavelength converter to which the invention is applied includes a phosphor that converts the wavelength of blue light to emit fluorescence, a rotating mechanism that rotates the phosphor around an axis of rotation that extends in a light incident direction in which the blue light is incident, and a heat insulating member that is provided between the phosphor and the rotating mechanism in the light incident direction. The phosphor has a coinciding section that coincides with the rotating mechanism when viewed in the light incident direction.

Abstract: A system for displaying an anamorphic image on a viewing surface comprises a screen having a viewing surface and an image source configured to display the anamorphic image on the viewing surface such that an image viewed on the viewing surface appears undistorted from a viewing point. In addition, the system may also include a reflective lens having a convex exterior surface and a refractive lens having a plurality of surfaces to redirect light toward an image capture device. Further, the system may include an image conversion module for converting a non-anamorphic image into the anamorphic image suitable for displaying on the viewing surface and a selected portion of the anamorphic image into at least one non-anamorphic image.

Abstract: A transparent rotating device comprising a shaft, a transparent rotating assembly and a motor is provided. The transparent rotating assembly includes at least one first transparent sheet and at least one second transparent sheet that are annularly and alternatively arranged around a shaft. A motor is connected to the shaft, wherein the first transparent sheet and the second transparent sheet sequentially enter the transmission path of the image beam. The angle at which the first transparent sheet is inclined with respect to the shaft is different from the angle at which the second transparent sheet is inclined with respect to the shaft. The image beam penetrates the first transparent sheet to be deflected and transmitted to a first position, and the image beam penetrates the second transparent sheet to be deflected and transmitted to a second position.

Abstract: A polarization beam splitter includes: a first prism; a second prism; a polarization beam split portion in contact with the second prism; a substrate provided between the polarization beam split portion and the first prism; a first adhesive portion provided between the first prism and the substrate; and a second adhesive portion provided between the polarization beam split portion and the substrate.

Abstract: A system and method for using a laser, including using a coherent light source to generate a beam having a dominant wavelength wl; and providing along the beam's light path, at least one optical element having a surface upon which the beam impinges, whose roughness is between D and ½ wl?D where D is double the tolerance of the laser's dominant wavelength.

Abstract: An image display apparatus includes an image forming element, an illumination optical system that guides light emitted from a light source to the image forming element, and a plurality of lenses that project a trapezoidal image formed by the image forming element onto a projected surface. The plurality of lenses have an optical axis that is at an inclination of 1° or more with respect to a perpendicular of a plane including an image forming surface of the image forming element. First rays of the light have a first focal point and second rays of the light have a second focal point. The first focal point is farther from the image forming element than the second focal point is from the image forming element. The first rays form the first portion of the trapezoidal shape and the second rays form the second portion of the trapezoidal shape.

Abstract: A high-speed display device inputs first video information having a first frame rate and a gradation of first number of bits, generates a set of M (integer of 2 or more) variation gradation values having a second number of bits smaller than the first number of bits and having a sum corresponding to the respective gradation values of the gradations of the first number of bits, and distributes the values from the set of the M variation gradation values corresponding to the respective gradation values of the first video information obtained from a variation gradation value output to the corresponding M frames for each frame of the first video information to generate second video information having a second frame rate that is M times the first frame rate and display video based on the second video information.

Abstract: To provide an image projection apparatus that is able to efficiently cool an inside of a housing. There is provided an image projection apparatus including: an air intake port that is provided in a housing and through which air is caused to flow into an inside of the housing; and an air discharge port that is provided in the housing and through which air inside the housing is discharged. The image projection apparatus includes an air exhaust flow path in which air that has flowed into the inside of the housing from the air intake port is caused to pass through a heat generation component having a highest temperature, at an end of the passing through, among a plurality of heat generation components provided inside the housing, and is discharged from the air discharge port.

Abstract: An optical wheel device according to the present invention includes a first wheel on one side of which a luminescent material layer is disposed, a second wheel disposed on the other side of the first wheel, a first opening portion provided on the first wheel or the second wheel to be situated near a center of rotation, a second opening portion provided further radially outwards than the first opening portion, a communication passage formed between the first wheel and the second wheel to establish a communication between the first opening portion and the second opening portion, a motor configured to rotationally drive the first wheel and the second wheel, and a drive control device configured to control driving of the motor.

Abstract: A wavelength-converting element includes an alloying substrate, a wavelength-converting layer and a diffusion reflection layer. A material of the alloying substrate includes at least five major alloying elements and at least one minor alloying element. The at least five major alloying elements are selected from a group consisting of Ni, Ti, V, Cr, Mn, Fe, Co, Al, Cu, Ta, Nb, Zr, Mg and Pt group elements. An atomic percentage of each of the major alloying elements is between 5 at % and 35 at %. The alloying substrate has mixed entropy, which is greater than 3 J/K·mol. The wavelength-converting layer is disposed above the alloying substrate. The diffusion reflection layer is disposed between the alloying substrate and the wavelength-converting layer. The invention further provides a projection apparatus using the wavelength-converting element and a manufacturing method of the wavelength-converting element.

Abstract: A light source device includes a semiconductor laser that outputs laser light, a polarization rotator that rotates a polarization plane of the light, a polarization splitter that transmits and reflects the light in accordance with the polarization plane, and a fluorescent body that emits light by being excited by the laser light. The light source device controls an amount of the light that excites the fluorescent body by controlling a rotational angle of the polarization plane in the polarization rotator in a time-series fashion.

Abstract: A projection device and a light engine module thereof are provided. The light engine module includes a first dichroic element, a first light valve, a second light valve, a light combining element, a first light converging element, a second light converging element, a first light guiding element, and a second light guiding element. The first dichroic element divides an illumination beam into a first color beam and a second color beam. The first light valve converts the first color beam into a first image beam. The second light valve converts the second color beam into a second image beam. The light combining element is disposed on transmission paths of the first image beam and the second image beam. The first light guiding element guides the first color beam to the first light valve.

Abstract: A projection apparatus that is capable of reducing difference in color tones between diffused light with a high diffusion degree and non-diffused light with a low diffusion degree. An irradiation unit irradiates with light including color components. A modulation unit modulates the light irradiated by the irradiation unit. A diffusion unit diffuses and outputs the light incident from the modulation unit. A color setting unit sets up a target color of the light output from the diffusion unit. A controller controls the irradiation unit and the modulation unit. The controller controls at least one of the irradiation unit and the modulation unit according to variation of characteristics of the diffusion unit so that difference between a color of the light diffused by the diffusion unit and the target color will become small.

Abstract: A projector includes a casing, an optical engine module and a heat dissipation module. The optical engine module disposed in the casing includes a light source, a light valve and a projection lens. The heat dissipation module disposed in the casing includes at least two heat pipes and a heat dissipation fin set. The heat dissipation fin set includes at least a heat dissipation fin and at least a turbulent structure. The heat dissipation fin has a surface including a heat pipe arrangement region and a turbulent region adjacent to each other. The at least one heat pipe passes through the heat pipe arrangement region, and an air flowing section is formed near the at least one heat pipe. The turbulent region has a turbulent section corresponding to the air flowing section, and the turbulent structure is disposed in the turbulent region and extends continuously in the turbulent section.

Abstract: An image projection device projects an image to a projection surface, and includes an image forming element, a refractive optical unit, and a reflective optical unit. The image forming element forms an image to be projected to the projection surface based on an image signal. The refractive optical unit has a refractive optical system including a plurality of lenses guiding light of the image toward the projection surface, the image being formed by the image forming element. The reflective optical unit includes a reflective optical system having a first mirror reflecting the light guided by the refractive optical system and a second mirror reflecting the light reflected by the first mirror toward the projection surface; and a blocking section including a blocking surface disposed at a position of blocking part of light generated in the refractive optical unit and passing through between the first mirror and the second mirror.

Abstract: In an aspect, a method of projecting an image using an electronic device having a front face with a display screen, a rear face, and an edge, and further including an LED on a rear face, a processor and memory, and having an application stored in the memory, the method comprising: providing a projector having an aperture therethrough, and a clip including a first arm which has an arm marker, and a second arm; executing the application so as to display a screen marker in a position based on a make and model of the electronic device; and positioning the clip on the electronic device with the first arm on the front face with the arm marker aligned with the screen marker, positioning the projector's aperture aligned with the LED to pass light through a slide containing an image, to project the image.

Abstract: A projection type display apparatus includes a container configured to house a light source unit, a light modulation element, and an optical system configured to illuminate the light modulation element with light from the light source unit, a housing configured to house the container, and a reinforcement member configured to extend from an outer surface of the container to an inner surface of the housing and to contact the outer surface of the container and the inner surface of the housing. A side of the reinforcement member contacting the inner surface of the housing is fixed onto a side surface of the housing.