Abstract: A projector including: a projecting unit including a plurality of light sources and a modulating unit configured to modulate lights emitted by the plurality of light sources, the projecting unit projecting modulated light modulated by the modulating unit; an optical system configured to optically change a projection state of the modulated light projected from the projecting unit; an optical-system adjusting unit configured to change a state of the optical system; a storing unit configured to store states of the optical system and adjustment values of light emission amounts of the respective light sources for adjusting white balance of the modulated light in association with each other; and a light-emission-amount adjusting unit configured to adjust the light emission amounts of the respective light sources on the basis of the adjustment values corresponding to the states of the optical system.

Abstract: Provided is a display apparatus including: a first display unit including a first screen on which a first image is imaged and that is capable of displaying the first image in a first direction and a first optical member capable of reflecting and displaying the first image in at least one second direction crossing the first direction; a second display unit that includes a second screen on which a second image is imaged and that is capable of displaying the second image in the second direction; and a light source configured to project first image light forming the first image onto the first screen and project second image light forming the second image onto the second screen.

Abstract: A projection system projects images onto a surface as part of an augmented reality environment. Users may interact with the images and this interaction is captured as feedback to the system. The projection system includes a refractive beam steerer to direct the projected images onto specific surfaces within the environment, even if the surfaces are moved about the area. The beam steerer has multiple wedge-shaped prisms that are independently movable to steer the projected light beam as desired. Additionally, an infrared (IR) device may be used to illuminate the environment with IR light, and the IR light may be emitted along a common optical path through the refractive beam steerer as used by the projected light beam.

Abstract: A light source unit includes a light emitting element supporter to support a plurality of light emitting elements disposed with a dispersed pattern in a two-dimensional direction as a light emitting element assembly, and light emitted from the light emitting element assembly exits to a target; a light return member disposed at a position facing a light emitting side of the light emitting element assembly while setting a space with the light emitting element supporter, the light return member returning light emitted from the light emitting element assembly toward at an inner side of two dimensional direction of the light emitting element assembly, and a flow path of the cooling air to pass through cooling air supplied from an air supply unit into the space.

Abstract: The projection display system has a light source unit where a first light source and a second light source respectively emitting a first and second wavelength or wavelength range of light are juxtapositionally arranged; a third light source emitting a third wavelength or wavelength range of light; an optical combiner device for combining the three wavelengths or wavelength ranges of light from the light sources; an optical device for averaging distributions of the wavelengths or wavelength ranges of light; an image display device for receiving the light transmitted through the optical device and forming image light responsive to a video signal; and a projector lens for projecting the image light onto a screen. At least two of the optical axes of the first, second, and third wavelengths or wavelength ranges of light which are incident on the optical device are not coincident with each other.

Abstract: A light source unit includes a solid light emitting element that emits light in the blue wavelength range, a luminous light emitting portion on which a luminescent material layer is laid out, the luminescent material layer using the light emitted from the solid light emitting element as excitation light to emit light in a wavelength range of which wavelengths are longer than a wavelength of the excitation light, and a light transmitting portion that transmits the light emitted from the solid light emitting element, and an area of a luminescent material that emits luminous light in the green wavelength range is provided at part of the light transmitting portion.

Abstract: The invention provides a projector, a color wheel protection circuit, and a color wheel protection method. The projector includes a color wheel, a light source, a controller, and a protection circuit. The light source is controlled by a light source control signal to provide an illumination beam to the color wheel. The controller is used for providing the light source control signal to the light source. The protection circuit includes a resetting signal generator and a logic operator. The resetting signal generator is used for generating a resetting trigger signal according to the rotation speed of the color wheel, and generating a resetting output signal according to the resetting trigger signal. The logic operator is used for receiving the light source control signal and the resetting output signal, and resetting the light source control signal according to the resetting output signal.

Abstract: A projector includes: an external housing that includes a projection opening and an exhaust port arranged on the same side as the projection opening; an axial-flow fan that causes air to flow therein with the rotation of blades and delivers the air flowing therein; and a plurality of slats that are arranged at the exhaust port and guide the air delivered from the axial-flow fan to an outside. The plurality of slats include an elongated slat that is disposed in, among four exhaust areas arranged side by side in the exhaust port, one of the two exhaust areas on the side close to the projection opening and whose length in a direction in which the air is guided corresponding to a rotational direction of the blade is longer than that of the slats disposed in the other areas.

Abstract: A projector includes: an optical unit body having a light modulating apparatus configured to modulate an optical flux emitted from a light source according to image information; a projection lens configured to project the optical flux modulated by the light modulating apparatus; and an adjusting mechanism configured to adjust an inclination of the projection lens with respect to the optical unit body. The adjusting mechanism includes; a supporting portion configured to support the projection lens; a base portion configured to constitute part of the optical unit body; a clamping portion configured to clamp the base portion in cooperation with the supporting portion; a fixing member configured to fix the supporting portion to the clamping portion; and adjusting members configured to be capable of adjusting a distance between the base portion and the supporting portion.

Abstract: A projection system includes a projection lens, an image modulation device, a light-guiding rod and two light sources. The light-guiding rod is defined with an axial direction and has a first end and a second end. The first end has a transmission surface and a reflection surface. The ratios of the widths of the transmission and reflection surfaces to the panel width of the image modulation device are 0.13˜0.35. The lights of the first and second light sources are incident into the light-guiding rod through the transmission surface and onto a first side surface and reflected into the light-guiding rod through the first reflection surface, respectively. The light-guiding rod homogenizes the incident lights and transmits the homogenized light to the image modulation device through the second end thereby forming an image light. The projection lens projects the image light.

Abstract: A system and apparatus for dynamically distributing light are provided. The apparatus includes a source conduit configured to collect light from a light source and transmit the collected light for emission towards an optical switch. The optical switch is moveable between several discrete resting positions, each corresponding to a different one of a plurality of projector conduits. In each resting position, the optical switch directs light from the source conduit to a corresponding projector conduit. Each projector conduit receives the directed light from the optical switch and transmits the light to a corresponding one of a plurality of projectors. The optical switch is also configured to rest at each of the resting positions for respective portions of a given period of time, to regulate what amount of the light emitted by the source conduit during the period of time is received by each projector conduit.

Abstract: Apparatus for generating blue color illumination for use in a projection system a color wheel with segments of respective different color light emitting phosphors formed over light non-transmitting portions and at least one blue color generating segment. The blue color generating segment has cyan color light emitting phosphor formed over a light non-transmitting first portion and a second portion that transmits blue laser light through the wheel. A dichroic filter directs blue laser light from a light source onto the respective segments as the color wheel rotates. The light strikes the first and second portions of the blue color generating segment to generate blue light at a color point determined by both blue laser light and phosphor emitted cyan light.

Abstract: A projector includes an image beam generator and a projecting lens. The projecting lens includes a relay system and a projection system. The relay system has a focusing set and a converging set, and the projection system has a projection lens group and a reflector. The image beam generator generates an image beam, and emits it to the projecting lens, and the image beam emits through the focusing set, the converging set, and the projection lens group in sequence, and then is reflected by the reflector to enter the projection lens group again. After leaving the projection lens group the image beam emits through a lens of the converging set, and then is projected onto a screen.

Abstract: A second group has different power in the vertical direction and the horizontal direction of the liquid crystal panel. Therefore, the horizontal-to-vertical ratio of the image of the liquid crystal panel and the horizontal-to-vertical ratio of the image projected on the screen can be set to be different. That is, the projection optical system is able to convert the aspect ratio which is a ratio of width and height. At this time, at the time of converting the aspect ratio, that is, at the time of switching the projection state, it is possible to adjust the position of the image on the screen through a zoom operation or a shift operation of the first driving mechanism or the fourth driving mechanism.

Abstract: A projector includes a first light source group having a plurality of solid-state light sources, a second light source group having a plurality of solid-state light source, and emitting light having a peak wavelength on a longer wavelength side of that of the first light source group, a first regulation section adapted to cool the first light source group, a second regulation section adapted to cool the second light source group, and a control device adapted to control the first regulation section and the second regulation section, and the first regulation section and the second regulation section are controlled so as to approximate the peak wavelengths of the lights emitted respectively from the first light source group and the second light source group to each other when forming a two-dimensional image, or to make the peak wavelengths get further from each other when forming a three-dimensional image.

Abstract: A laser projector includes a laser light source to emit laser light modulated in accordance with image information, a scanner to drive the laser light along two axes in horizontal and vertical directions and make scanning two-dimensionally with the laser light, a scanning mirror drive part to produce a drive signal of the scanner, a light source data conversion part to change arrangement in a horizontal direction of data applied to the laser light source and a timing generation part to synchronize the scanning mirror drive part with the light source data conversion part, and a start direction of laser scanning in the horizontal direction is changed every frame of the image information.

Abstract: A light source apparatus includes an optical plate, a convergence optical system, a transfer optical system and two casting optical systems. The optical plate includes a translucent segment and a fluorescent substance layer. The convergence optical system converges an excitation light to the translucent segment and to the fluorescent substance layer. The transfer optical system transfers a spot of the excitation light to a transfer plane of the optical plate. The first casting optical system projects a light source image of fluorescence, which is formed on the fluorescent substance layer, onto a common casting plane. The second casting optical system which projects the spot of the excitation light onto the common casting plane. Optical path lengths of the two casting optical systems are the same.

Abstract: An information processing apparatus is connected to a projector that projects an image and a gesture recognizing device that recognizes a gesture by a person. The information processing apparatus includes a projection image transmitter that inputs a projection image to the projector; an image capturing device that captures, when the gesture recognizing device has recognized a gesture, a projection image being projected by the projector; a transmission destination determining device that determines a transmission destination address based on a gesture recognized by the gesture recognizing device; and a captured image transmitter that transmits a captured image captured by the image capturing device to a transmission destination address determined by the transmission destination determining device.

Abstract: A light valve module including a first shell, a second shell, a light valve, an elastic pad and a sealant is provided. The first shell has an opening. The second shell is assembled to the first shell. The first shell and the second shell form a containing space therebetween. The light valve is disposed in the containing space and is exposed by the opening. The elastic pad is disposed between the first shell and the second shell for sealing the containing space. The sealant is adhered at a periphery of the opening and the light valve for sealing the containing space. In addition, a projection device having the light valve module is also provided.

Abstract: A driving device includes: a driving state detection unit which detects a driving state of a driving unit which drives a driving target; and a control unit which performs a first control for driving the driving unit for an amount based on the driving state of the driving unit detected by the driving state detection unit and a second control for driving the driving unit for a predetermined amount.