Abstract: A first dichroic mirror (2a) and a second dichroic mirror (2b) are formed on the bonding surfaces between four right angle prisms (1a-1d) so as to intersect. The first dichroic mirror (2a) transmits, of visible light of P-polarization, at least the light of a specific wavelength band and reflects, of visible light of S-polarization, at least the light of the specific wavelength band. The second dichroic mirror (2b) transmits, of visible light of P-polarization, at least light of the specific wavelength band and transmits, of visible light of S-polarization, at least light of the specific wavelength band. The cutoff wavelengths with respect to S-polarized light of both dichroic mirrors (2a and 2b) are set within ranges of bands other than those of the three primary colors of light.

Abstract: Provided is a technology of projecting bright images at one time in a plurality of directions by means of a projector which is small and light weight. An interface apparatus is provided with: a laser source that radiates laser light; an element that modulates the phase of inputted laser light, and outputs the light; an image unit that captures a subject; and a control unit, which detects the subject captured by means of the image unit, determines, based on the results of the recognition, an image to be formed based on the light outputted from the element, and controls the element such that the determined image is formed.

Abstract: An illumination device comprises a light source (3a) that includes a solid-state light source whose peak wavelength is set in the red wavelength band, a light source (3b) that includes a solid-state light source whose peak wavelength is set in the green wavelength band, a light source (3c) that includes a solid-state light source whose peak wavelength is set in the blue wavelength band, and a color synthesis optical element (1) that combines P-polarized colored light incident from one light source (3b) and S-polarized colored light incident from the other two light sources (3a and 3c). One light source (3c) includes at least one solid-state light source whose peak wavelength is set in the wavelength band of the color corresponding to one of the other light sources (3b).

Abstract: A laser light source (110) emits a light that is a laser light. A projection control unit (120) controls, on the basis of image information, the intensity distribution of a light to be projected, thereby generating an image. A projection unit (130) projects the light as controlled by the projection control unit (120). A measurement unit (140) measures the intensity of the light projected from the projection unit (130). A distribution calculation unit (150) calculates, on the basis of the image information, the intensity distribution of the light to be projected from the projection unit (130). A selection unit (160) selects that partial evaluation area of the image which is to be used for determination. A determination unit (170) determines, on the basis of both the light intensity distribution, in the evaluation area, calculated by the distribution calculation unit (150) and the light intensity, in the evaluation area, measured by the measurement unit (140), whether any abnormal projection has occurred.

Abstract: Disclosed is three-dimensional video viewing system (1) including: display system (2) that displays three or more videos of different parallaxes in a time-division multiplexing manner, and outputs a control signal that indicates a switching timing of the videos; input means (7) for designating an arbitrary display mode among a plurality of display modes in which a plurality of three-dimensional videos different from one another in three-dimensionality are defined by a combination of two of the three or more videos; two shutters that switch a state between light transmission and light blocking; and a shutter drive circuit that specifies the switching timing of the two videos corresponding to the display mode designated by input means (7) based on the control signal, and independently controls opening/closing of the shutters at the specified switching timing of the videos.

Abstract: A fluorescent screen includes a phosphor layer including a phosphor that absorbs excitation light to emit fluorescence, a reflecting layer that is provided on one surface of the phosphor layer so as to transmit the excitation light and to reflect, to the phosphor layer, a part of fluorescence that is emitted from the phosphor and that exits from the one surface; and a plurality of holes that penetrates the reflecting layer.

Abstract: A laser light application unit (2100) has a laser light source for applying laser light. A control information acquisition unit (2200) acquires control information indicating each of a plurality of directions in which an image is to be irradiated. A control unit (2300) controls an interface device (2000) such that the image is irradiated in each of the plurality of directions indicated by the control information. The laser light applied by the laser light application unit (2100) is incident on a first light collection unit (2400). The first light collection unit (2400) diffracts the incident laser light such that the laser light forms the image that is not similar to that at the time of incidence.

Abstract: A three-dimensional picture viewing system includes: display system (2) that multiplexes and displays, in a time-division manner, three or more pictures including two or more pictures with different parallaxes and at least one subtitle picture and outputs a control signal indicating a switching timing of the pictures; input means (7) for designating an arbitrary display mode among a plurality of different display modes in which display pictures to be viewed are determined from among the three or more pictures; two shutters that switch a state between light transmission and light blocking; and a shutter driving circuit that specifies switching timings of the display pictures corresponding to the display mode designated by input means (7) based on the control signal, and independently controls opening/closing of the two shutters at the specified switching timing of the pictures.

Abstract: A projection screen includes: phosphor regions arranged cyclically in an in-plane direction of a display region; a plurality of black stripes and reference black stripes that partition the display region into the phosphor regions; and an optical information formation unit that is provided in a specific position within the display region and that generates readable optical information.

Abstract: The present invention provides a laser light source module thereby providing better prevention against actions taken to use the laser light for purposes other than the intended purpose, and a laser light source module according to the present invention provides a laser light source module including a laser element that emits laser light, the laser light source module being formed by a combination of a plurality of members, the laser light source module including: a laser element drive circuit including a memory that stores a password, said laser element drive circuit making said laser element emit laser light if an input password that has been input matches the password stored in said memory; and a laser element destruction mechanism that, if the plurality of members are separated, destroys said laser element.

Abstract: A three-dimensional object-measurement device comprising: a laser beam irradiation unit which irradiates a laser beam; a focal length changing unit which changes a focal length of the laser beam; an imaging unit which images a reflected light which is a reflection of the laser beam on an object, and generates image data; a control unit which changes the focal length by controlling the focal length changing unit, irradiates the same point on an object to be measured with the laser beam a plurality of times while varying the focal length, and makes the imaging unit generate the plurality of image data; and a distance calculation unit which calculates a distance to the object to be measured by processing the plurality of image data.

Abstract: An illuminating optical system is realized which can efficiently produce longer-life and higher-luminance illuminating light with a small etendue. The illuminating optical system includes a concave reflection mirror (100), a fluorescent material supporting body (400) that supports fluorescent materials (401 to 403) at the substantially the focal point position of the concave reflection mirror, a plurality of laser light sources (200) that are disposed on the concave reflection mirror at positions perpendicular to the central axis of the concave reflection mirror and that emit excitation light toward the fluorescent materials, and a window (102) covering the open surface of the concave reflection mirror that reflects the excitation light and allows to pass therethrough fluorescence generated when the fluorescent material is irradiated with the excitation light.

Abstract: A laser light source module that does not emit laser light when taken out of a device or that does not emit laser light when the device is modified by removing a portion of the device is installed and used in a case and is provided with: a laser unit that includes a memory unit that stores a password and that operates when an input password that is entered matches a password stored in the memory unit; a password-setting mechanism that generates different data according to the state of the case; and a password-generating circuit that generates an input password that matches the password stored in the memory unit by means of data generated by means of the password-setting mechanism when the case is in a normal state.

Abstract: Provided is an optical scanning element that includes mirror unit 1, and movable unit 2 including mounting unit 7 on which mirror unit is mounted and which is configured to be rotatable. Mirror unit 1 includes: a dielectric multilayer film that reflects a part of incident light while transmitting the remainder of the light; and a first substrate on one surface of which the dielectric multilayer film is formed, and which transmits the remainder of the light passed through the dielectric multilayer film. Mounting unit 7 includes a through-hole at a portion facing the dielectric multilayer film.

Abstract: This invention is to provide an image processing apparatus, an image processing method, a program, and a display in which both of a secret image and a public image can be efficiently displayed with high picture quality without reducing contrast of the public image. One of output images is a secret image which displays an input secret image as one of input images in a partial area of a screen, all the output images including the secret image have a relationship to become, when a luminance value of each pixel thereof is totaled, an input public image as one of the input images; and during a period in which at least the secret image is being outputted, shutter glasses disposed between a display to which the image signals are inputted and user's eyes are set to a light transmission state.

Abstract: The invention realizes a screen in which the luminous intensity of scattered light emitted from the screen is made more uniform. The screen diffuses incident light that is irradiated from an incident surface and emits light from an emission surface that is opposite the incident surface. The screen is provided with: a first light-diffusing area (402) formed on the incident-surface side and provided with a mirror (403) that reflects a portion of the incident light (404), and a second light-diffusing area (401) formed on the emission-surface side and that scatters incident light that includes the light reflected from the mirror.

Abstract: Provided is a three dimensional display device that includes: three dimensional image display unit (1) having display surface (11) for spatially separating and displaying parallax images corresponding to at least two viewpoints; and force sense generation unit (2) configured to generate a sound wave toward display surface (11) of three dimensional display unit (1) and then generate predetermined pressure of the sound wave reflected on display surface (11) at a position spatially similar to the position of three dimensional image (8) displayed by three dimensional display unit (1).

Abstract: A projector that can solve a problem in which a projection image is disturbed due to deviation of incident positions of projection light to a screen is provided. Projection section 11 includes LD light emission section 111 and scanning section 112 that scans light emitted by LD light emission section 111 and projects the scanned light to the rear plane side of the screen. Control section 12 controls an amount of light emission of the light and a scanning angle of scanning section 112 based on an image signal so as to cause projection section 11 to project an image corresponding to the image signal to the screen. Control section 12 corrects an orientation of projection light corresponding to each pixel of the image projected from projection section 11 based on a refractive index of the light transmission member and a scanning angle of scanning section 112 so as to correct an incident position of the projection light on the screen.

Abstract: A light source device includes: a first light source (3a) that emits first polarized light of a plurality of colors including different wavelengths; a second light source (3b) that emits second polarized light whose polarization state differs from that of the first polarized light and that includes light of at least one color from among the plurality of colors; and a first color synthesis optical element (1) that synthesizes the first polarized light emitted from the first light source (3a) and the second polarized light emitted from the second light source (3b).

Abstract: An optical member including: a Fresnel lens sheet for deflecting and emitting deflected light, A louver for restricting a direction of light rays, where the louver restricts the traveling direction of incident light from the deflecting element to a direction that is parallel to the optical path of the incident light, and emits the restricted light. The Fresnel lens sheet is disposed so that a machined surface thereof faces the louver.