Abstract: A projector includes a light source device, an image projection device configured to modulate light emitted from the light source device to generate image light and project the image light, a power supply device configured to supply electric power to the light source device and the image projection device, a housing configured to house the light source device, the image projection device, and the power supply device, a first discharge fan configured to set at least one device of the light source derive, the image projection device, and the power supply device as a cooling target and suck gas from the cooling target and discharge the gas, a second discharge fan configured to discharge the gas discharged by the first discharge fan and the gas in the housing to an outside of the housing, and a duct for circulating the gas discharged by the first discharge fan to the second discharge fan.

Abstract: Provided is a projection device, including a casing, a light source module, an optical engine module, a projection lens, and a fan. The casing includes a right cover plate and a baffle opposite to each other, and a lower cover plate adjacent to the right cover plate. The baffle divides the casing into first and second areas. The right and lower cover plates respectively have first and second air outlets adjacent to each other and located in the second area. The light source module, the optical engine module, located on a light transmission path of the light source module, the projection lens, connected to the optical engine module, and the fan, adjacent to the baffle, are disposed in the first area of the casing. The projection device is placed in a first or second state, and hot airflow therein flows out from the first or second air outlet.

Abstract: A light source for plant cultivation includes at least two light emitting devices supplying light to a plant. Each of the light emitting devices includes a first semiconductor layer doped with a first conductivity type dopant, a second semiconductor layer disposed on the first semiconductor layer and doped with a second conductivity type dopant different from the first conductivity type dopant, and an active layer interposed between the first semiconductor layer and the second semiconductor layer. The light emitting devices emit light towards the plant under a different condition in terms of at least one of wavelength, radiation intensity, and emission timing to control the type and content of phytochemicals in the plant.

Abstract: There is disclosed a portably suspended retractable shelf for storing furniture-side items that includes a horizontal platform having an inner portion and an outer portion. In various embodiments, the inner portion is adapted to be slidably captured between an upper cushion and a lower supporting structure. At least one of a projector insert rotationally adjustable to a plurality of orientations and the following upward-facing compartments is disposed on the outer portion of the horizontal platform and is accessible to a user on the furniture: a collapsible basin, a hanging flexible pocket, and a foldable box. A cutout hole is configured to hold the projector insert or the compartments in a suspended configuration through the shelf. A downward-facing sliding drawer compartment is mounted and/or supported underneath the outer portion of the shelf. A storage container extends from a leading surface of the portable suspended retractable shelf. Other embodiments are also disclosed.

Abstract: A projection apparatus and a control method thereof are provided. The projection apparatus includes a light source, an optical engine, a first sensor, and a processor. The light source provides a light beam to the optical engine. The optical engine converts the light beam into an image beam and projects the same out of the projection apparatus. The first sensor senses an ambient temperature. The processor is coupled to the optical engine, the light source, and the first sensor, records a projection time of the optical engine, selects a selected temperature range in which the ambient temperature is included from multiple temperature ranges according to the ambient temperature, and selects a selected driving program from multiple driving programs corresponding to the temperature ranges according to the selected temperature range to control the light source. A brightness of light beam is negatively related to the projection time.

Abstract: A wearable computing device generates a volumetric visualization at a first position that is located in a three-dimensional space. The wearable computing device includes a volumetric source configured to create the volumetric visualization. The wearable computing device includes one or more sensors configured to determine movement of the wearable computing device. A movement of the wearable computing device is identified by the wearable computing device. Based on the movement the wearable computing device adjusts the volumetric source.

Abstract: A display device (10) for producing images to be viewed by an observer includes an optical system (14) and a control unit (20). The optical system receives input light indicative of an image into a light propagation channel (14A) and produces, at an exit pupil (14B), output light having a field of view (FOV) corresponding to the image to be presented to the observer (18). The light propagation channel has an intensity transfer function map I1(x,?) of the optical system across a lateral dimension x of the exit pupil and an angular 20 span ? of the FOV.

Abstract: A method for producing a light omitting device includes providing a substrate and forming an epitaxial structure thereon, forming first and second electrodes on a side of the epitaxial structure facing away from the substrate, and removing the substrate. The epitaxial structure includes a first-type semiconductor layer, an active layer, a second-type semiconductor layer, and an AlGaAs-based semiconductor layer formed on the substrate in a distal-to-proximal manner. The AlGaAs-based semiconductor layer has a thickness of not less than 30 ?m, and is configured to support the rest of the epitaxial structure and serve as a light exiting layer. The device produced by the method is also disclosed.

Abstract: Apparatus and associated methods relate to ranging object(s) nearby an aircraft using triangulation. A light projector mounted at a projector location on the aircraft projects pulses of polarized light onto the scene external to the aircraft. The projected pulses of polarized light are polarized in a first polarization state. A camera mounted at a camera location on the aircraft has a shutter synchronized to the projector output pulse and receives a portion of the projected pulses of polarized light reflected by the object(s) in the scene and polarized at a second polarization state orthogonal to the first polarization state. Location(s) and/or range(s) of the object(s) is calculated, based on the projector location, the camera location, and pixel location(s) upon which the portion of light is imaged.

Abstract: A display device includes a display unit, an external device interface unit configured to receive video having a second frequency from a set-top box converting an original video having a first frequency into the video having the second frequency, and a control unit configured to: determine whether an abnormal output state is detected, based on the video having the second frequency; when the abnormal output state is detected, determine the number of interpolation frames to be generated so as to output the original video having the first frequency as final video having a third frequency through the display unit; and generate interpolation frames as many as the determined number of interpolation frames.

Abstract: A display device is capable of substantially preventing damage to a display panel and a hinge portion, the display device including: a panel support portion including a first support portion, a second support portion, and a third support portion; a first hinge portion connecting the first support portion and the second support portion; a second hinge portion connecting the second support portion and the third support portion; a flexible display panel disposed on the panel support portion; and a hinge controller controlling each of the first hinge portion and the second hinge portion to be rotatable or unrotatable based on a first angle between the second support portion and the first support portion and a second angle between the second support portion and the third support portion.

Abstract: An imaging device includes a casing, a lens and an adjusting mechanism. The lens is disposed in the casing. The lens includes a focus ring. The adjusting mechanism includes an adjusting module and a rod member. The adjusting module is movably disposed on the casing. The adjusting module includes a slot. The rod member is disposed on the focus ring and located in the slot. When the adjusting module moves with respect to the casing, a side wall of the slot drives the rod member to move, such that the rod member drives the focus ring to rotate.

Abstract: An image display device is a self-luminous type device including a light emitting portion, and a casing portion of a display device unit has a heat dissipating structure portion through which a part of the image display device is exposed for heat dissipation. In manufacturing the display device unit, when performing simple and reliable assembly while securing a high heat dissipation characteristic, for example, by using characteristics of a silicon substrate, high accurate positioning is performed in a display device positioning portion.

Abstract: According to one embodiment, an image projection device is provided. The image projection device includes an opto-mechanical module, a projection lens, and a lens adjusting mechanism. The opto-mechanical module is used for generating an image light. The projection lens is located on the path of the image light. The lens adjusting mechanism includes an outer ring rotating member, a transmission strip, a first fastener, and a driving mechanism. The outer ring rotating member is disposed on the projection lens, and the outer ring rotating member is used to drive the projection lens to rotate along an axis. The transmission strip surrounds the outer ring rotating member on the projection lens. The first fastener is fixedly connected to the transmission strip and the outer ring rotating member. The driving mechanism is connected to the transmission strip to drive the transmission strip and the outer ring rotating member to rotate.

Abstract: A projection optical system is constituted by, in order from the reduction side, a first optical system for forming an image displayed by image display elements as an intermediate image, a first optical path bending means that bends an optical path with a reflective surface, and a second optical system for forming the intermediate image on a magnification side conjugate plane. The second optical system is constituted by, in order from the reduction side, a first lens group having a positive refractive power, a second optical path bending means that bends an optical path with a reflective surface, and a second lens group having a positive refractive power. Conditional Formulae (1) and (2) below are satisfied. 10.0<TL1/|f|<50.0??(1) 4.0<TL21/|f|<30.0??(2).

Abstract: A projection optical system is constituted by, in order from the reduction side, a first optical system for forming an image displayed by image display elements as an intermediate image, a first optical path bending means that bends an optical path with a reflective surface, and a second optical system for forming the intermediate image on a magnification side conjugate plane. The second optical system is constituted by, in order from the reduction side, a first lens group having a positive refractive power, a second optical path bending means that bends an optical path with a reflective surface, and a second lens group having a positive refractive power. Conditional Formulae (1) and (2) below are satisfied. 10.0<TL1/|f|<50.0??(1) 4.0<TL21/|f|<30.0??(2).

Abstract: An AC or DC powered LED or-and laser projection light may have more than one function, which may include conventional all-purpose light device has built-in or add projection functions using existing light device's its-own light housing with project-kits or project-assembly has built-in light sources to project a light beam, image, or digital-data from display-unit. The said project light is a desk top light, floor light, garden light, emergency light, night light, motion sensor light, power fail light, seasonal light, Christmas light and/or ornament, licensee products, cartoon character related products, blue tooth light, moving and or multi-function light; with rechargeable or non-rechargeable energy storage kits having preferred circuit, switch, sensor, timer, IC electric parts, and accessories.

Abstract: Embodiments of the present invention provide a light homogenizing device and a laser projection apparatus. The light homogenizing device comprises a shell and a light stick, wherein the shell forms a holding chamber having openings at both ends thereof; the light stick is located within the holding chamber, and the openings at both ends of the holding chamber correspond to an incident end and an emergent end of the light stick, respectively; and, an elastic component is provided on at least one surface of the shell, with a first end of the elastic component being connected to the shell while a second end thereof extending into the interior of the holding chamber and pressing against the light stick.

Abstract: A liquid crystal projector apparatus includes: a plurality of display elements configured to individually modulate light of color components different from one another; and a controller configured to control the individual temperatures of the plurality of display elements. When the temperature of the display element in which a temperature rise rate is slowest among the plurality of display elements does not reach a predetermined temperature, the controller controls so that the temperatures of other display elements stay within a predetermined range that takes as a reference the temperature of the display element in which the temperature rise rate is slowest.

Abstract: The invention generally relates to the display of images viewable from any direction and devices therefor. In some aspects, the invention provides an apparatus for displaying a hologram-like image. The apparatus includes an inverted, truncated pyramid bearing semi-reflective facets visible from outside of the apparatus in all horizontal directions. A base frame supports the truncated pyramid, houses an imaging system, and provides image source surfaces that display images beneath each of the facets to be reflected by each of the facets.

Abstract: A projection-type display device includes: R, G, and B light sources that emit light beams with different colors; a projection unit that projects light beams based on image information among light beams emitted from the light sources onto a projection screen; a heat sink that radiates heat generated from the R light source, which has a maximum change in light emission intensity relative to a change in temperature, among the light sources; and a heat sink that radiates heat generated from the G and B light sources and that has a surface area smaller than that of the heat sink. In a use state, the R light source is disposed on a side apart from the other light sources in a direction opposite to a direction of gravitational force.

Abstract: A user terminal device and a displaying method thereof are provided.

Abstract: Flexible substrates are drawn from two terminals provided on a TFT substrate, respectively, and IC chips are mounted on both flexible substrates. Both flexible substrates are placed so that positions of the IC chips provided on both flexible substrates overlap with each other.

Abstract: A 3D laser projection systems and methods are disclosed herein. A laser projection system includes a left projector head and a right projector head, wherein a first video projected onto a movie screen by the left projector head has a first polarization and a second video projected onto the movie screen by the right projector head has a second polarization different from the first polarization. The laser projection system can include a laser light generator located a first defined distance away from the left projector head and a second defined distance from the right projector head and coupled to the left projector head and the right projector head with fiber optic cables that transmit light from the laser light generator to the left projector head and the right projector head. The laser light generator includes a laser diode configured to output light and to transmit it to the fiber optic cables.

Abstract: The light-quantity control apparatus includes a base member, and a light-quantity control blade having a light-quantity control portion to control a quantity of light passing through a fixed aperture and a supported portion rotatably supported with respect to the base member. The light-quantity control portion and the supported portion of the light-quantity control blade are each rotated along a plane parallel to the aperture face, an intermediate portion thereof formed between the light-quantity control portion and the supported portion has a tilt with respect to the aperture plane toward the optical axis direction so that the light-quantity control portion is disposed distant from the supported portion in the optical axis direction. Thereby a concave space facing the fixed aperture is formed inside in the radial direction than the light-quantity control blade.

Abstract: Embodiments provide an apparatus, a system, and a method. A method individualizing a presentation of content includes receiving data indicative of a physical orientation of a person relative to a display operable to present the content. The method also includes selecting a display parameter of the presented content in response to the received data indicative of a physical orientation of a person. The method further includes employing the selected display parameter in presenting the content. The method may include generating the data indicative of a physical orientation of a person relative to a display operable to present the content. The method may include receiving information indicative of a change in the physical orientation of the person proximate to the display; and changing the display parameter of the presented content in response to the received information indicative of a change in the physical orientation of the person proximate to the display.

Abstract: A display system having a projector and a projection plate and adapted to project an image from the projector toward the projection plate to thereby display the image includes a proximity detection section adapted to detect a proximity of another display system, which has a projector and a projection plate, and is adapted to project an image from the projector toward the projection plate to thereby display the image, and a control section adapted to determine a projection image, enlarge the projection image determined, and display the projection image enlarged so as to straddle the projection plate and the projection plate of the another display system in a case in which the proximity detection section detects the proximity of the another display system.

Abstract: A projection unit 17 effectively corrects out of focus due to a temperature rise. A mirror holding mechanism of a concave mirror 25 has a mirror holder 41 and a mirror holder base 42. The concave mirror 25 is slidably housed in the mirror holder 41. A focus correction member 57, which expands by heat, is disposed between a back face of the concave mirror 25 and reference plane S formed in the mirror holder. The concave mirror 25 and the focus correction element 57 are urged to the reference plane S by a mirror retainer spring 59.

Abstract: A polarizing plate excellent in polarization performance in all wavebands from a short wavelength region to a long wavelength region and a liquid crystal display using such a polarizing plate. The polarizing plate including a polarizer has a portion having a polarization degree of 99% or more at each wavelength of light for wavelengths of 420 to 550 nm and a portion having a polarization degree of 99% or more at each wavelength of light for wavelengths of 550 to 700 nm.