Abstract: A projection display apparatus includes: a light amount sensor which detects an amount of light emitted from an array light source; a deterioration rate calculator which acquires an amount of light of a measurement target light source from the amount of light detected by the light amount sensor; a reference light amount storage which stores a reference amount of light of an amount of light emitted from plurality of solid state light sources, for each of the solid state light sources; and a light source controller which controls the amount of light emitted from the plurality of solid state light sources for each of the solid state light sources, and the deterioration rate calculator determines whether the measurement target light source has deteriorated, in accordance with a result of a comparison between the amount of light detected by the light amount sensor, and the reference amount of light.

Abstract: A technology for reducing the so-called “phosphor burn-in” phenomenon where the variation of luminance arises by reducing display luminance of a certain pixel caused by deterioration in a display apparatus constituted by an organic electro luminescence element is provided. In the display apparatus, when displaying an image acquired by an image acquiring unit, luminance substantially same as average luminance of the acquired image is set to a non-display area where the image is not displayed.

Abstract: The image signal converting apparatus is used in a lighting unit. The lighting unit includes a liquid crystal panel modulating a red component light according to a red image signal, a liquid crystal panel modulating a green component light according to a green image signal, and a liquid crystal panel modulating a blue component light according to a blue image signal. Yellow component light is superimposed on any of the red component light, the green component light and the blue component light. The image signal converting apparatus includes a controlling unit which controls a superimposition amount of yellow component light based on a specific image signal among a red image signal, a green image signal, and a blue image signal. A color corresponding to the specific image signal has a hue adjacent to a hue corresponding to the yellow component light. The controlling unit controls a reduction amount of the specific image signal based on the superimposition amount.

Abstract: A signal processing device (200) included in a display which has a color reproduction range larger than that of the input device.

Abstract: A projector includes an excitation light source and a color wheel which is rotatable, with an axis in parallel to an optical axis of the excitation light source serving as a rotation axis. The color wheel includes two phosphors arranged adjacent to each other in a direction of rotation and emitting G light and Ye light respectively as they are excited by excitation light from the excitation light source. The projector further includes a phosphor drive portion which drives the color wheel to rotate such that the two phosphors emit light in a time-division manner within 1 frame period, a video signal analysis portion which analyzes a video signal for each piece of image data in each frame, and an excitation light source drive portion which sets an intensity of excitation light emitted to each phosphor in accordance with a result of analysis by the video signal analysis portion.

Abstract: A signal processing device including: a color coordinate adjuster performing color coordinate adjustment processing for adjusting color coordinates of an image input signal according to a color reproduction range of a display device; a brightness adjuster performing brightness adjustment processing for adjusting a brightness component of the image input signal; and a coefficient controller controlling a color coordinate adjustment coefficient and a brightness adjustment coefficient. The coefficient controller controls the brightness adjustment coefficient so as to decrease the brightness component of the image input signal, when saturation of a pixel having a first hue is high, controls the brightness adjustment coefficient so as to increase the brightness component of the image input signal, when saturation of a pixel having a second hue is high, and decreases the brightness adjustment coefficient when increasing the color coordinate adjustment coefficient.

Abstract: A projecting unit which projects image light based on an inputted image signal to a projection surface. An invisible light emitter is provided such that an irradiation area of invisible light includes a predetermined region. An image pickup unit receives at least one of a plurality of color lights constituting the image light as well as the invisible light, and which picks up an image of the projection surface to generate a pickup image. An object detector detects at least one of a position and a behavior of an object that has come into the predetermined region based on the pickup image. A display controller changes the projected image based on at least one of the position and the behavior of the object detected by the object detector.

Abstract: An image signal processor includes a controller configured to generate a red output signal, a green output signal, a blue output signal and a fourth color output signal in accordance with image input signals. A fourth color light component enables to reproduce a color outside the range of a color reproducible by the red light component, the green light component and the blue light component. The controller generates the fourth color output signal on the basis of a reference signal corresponding to a color different from a complementary color of a color reproduced by the fourth color light component.

Abstract: A projection-type image display apparatus projects an image on a projection plane, and includes a projection unit, an image capture unit, an ambient light detection unit, and a superimposed image generation unit. The projection unit projects an image on the projection plane through a lens. The image capture unit captures the image projected on the projection plane by the projection unit. The ambient light detection unit detects ambient light cast on the projection plane, from the image captured by the image capture unit. The superimposed image generation unit generates information about detection of ambient light detected by the ambient light detection unit, in the form of a superimposed image to be superimposed on the image projected on the projection plane.

Abstract: A projecting unit projects a focus adjustment pattern onto a screen. An image capturing unit captures an image of the focus adjustment pattern and obtains the image as a captured image. A captured image analyzing unit calculates contrast data serving as an evaluation value indicating a degree of achievement in focusing the captured image. Based on the calculated contrast data, a control unit adjusts focus of the projecting unit so as to bring projected image light into a focus on the projection surface. The focus adjustment pattern has a first region and a second region different from each other in brightness. The control unit adjusts configurations of the first region and the second region in the focus adjustment pattern such that at least one of resolution of brightness and contrast becomes uniform in the captured image.

Abstract: A technology for reducing the so-called “phosphor burn-in” phenomenon where the variation of luminance arises by reducing display luminance of a certain pixel caused by deterioration in a display apparatus constituted by an organic electro luminescence element is provided. In the display apparatus, when displaying an image acquired by an image acquiring unit, luminance substantially same as average luminance of the acquired image is set to a non-display area where the image is not displayed.

Abstract: A projection display apparatus displays a test pattern image including three or more intersections configured by three or more line segments. The projection display apparatus calculates a positional relationship between the projection display apparatus and the projection plane based on the three or more intersections included in the test pattern image. The test pattern image is included within a display frame.

Abstract: A projection display apparatus includes: an element controller that controls an imager to display a maximum light amount image and a minimum light amount image; a setting unit that sets a light amount threshold value used to detect pointing light emitted from a pointing device; and a specifying unit that specifies a light amount of the pointing light overlapping the minimum light amount image, based on a picked-up image, and to specify a light amount of the maximum light amount image, based on the picked-up image, wherein the setting unit sets the light amount threshold value, based on the specified light amount of the pointing light and the specified light amount of the maximum light amount image.

Abstract: A technology for reducing the so-called “phosphor burn-in” phenomenon where the variation of luminance arises by reducing display luminance of a certain pixel caused by deterioration in a display apparatus constituted by an organic electro luminescence element is provided. In the display apparatus, when displaying an image acquired by an image acquiring unit, luminance substantially same as average luminance of the acquired image is set to a non-display area where the image is not displayed.

Abstract: A projection display apparatus (100) includes a housing case (200) that houses a light source unit (110), a color separation and combination unit (140) for modulating the light emitted from the light source, and a projection unit (150) for projecting the light emitted from the color separation and combination unit (140) onto a projection plane (300). The projection display apparatus further includes: a first interface (190A) provided on a first lateral-surface side sidewall (250) and displaying detailed information on errors having occurred within the housing case; and a second interface (190B) provided on a front-surface-side side wall (220) and displaying the levels of the errors having occurred within the housing case.

Abstract: A projection display apparatus according to a first feature includes: an imager that modulates light emitted from a light source; and a projection unit that projects the image light modulated by the imager onto a projection plane. The projection plane includes a projectable region where the image light can be projected. The projectable region includes a projection region on which the image light is projected based on an image signal and a non-projection region other than the projection region. The projection display apparatus further includes: an adjustment unit that adjusts the shape of the projection region within the projectable region; and a control unit that displays additional information at least in the non-projection region within the projectable region.

Abstract: A video display apparatus includes a light source unit that includes a plurality of single-color light sources emitting light beams of different wavelengths and a control unit that controls actuation of the light source unit. The control unit sets a single-color light emission period in which at least two single-color light sources of the plurality of single-color light sources emit the light beams in a time division manner and a multiple-color light emission period in which at least two single-color light sources of the plurality of single-color light sources emit the light beams simultaneously, within one frame period, based on a result of analyzing the video signal for each image data on a frame basis. Further, the control unit changes a ratio between amounts of the light beams emitted from at least two single-color light sources in the multiple-color light emission period, in accordance with the image data.

Abstract: The illumination apparatus includes a color separator configured to separate a white light beam, emitted from a white light source, into a plurality of color component light beams, a plurality of imagers each configured to modulate a corresponding one of the plurality of color component light beams separated by the color separator and a polarization modulator provided on a light incident side of one imager included in the plurality of imagers. The polarization modulator modulates a polarization direction of a modulation-object light beam which is part of a color component light beam guided to the one imager.

Abstract: A projection display apparatus according to embodiments includes a light source that emits color component light beams of a plurality of colors and an imager that modulates the color component light beams of a plurality of colors emitted from the light source. The projection display apparatus includes an element control unit that controls the imager; and a light source control unit that controls the light source. The element control unit controls the imager based on an image output signal obtained by a signal expansion process of an image input signal. The light source control unit performs a power reduction process of reducing power supplied to the light source according to an expansion amount of the image input signal expanded by the signal expansion process.

Abstract: A display device includes: a display unit including a plurality of pixels each including a plurality of sub-pixels; an acquisition unit configured to acquire a numbers of sub-pixels corresponding to an amount of motion of a target image between a plurality of reference original frames; an allocating unit configured to allocate the numbers of sub-pixels acquired by the acquisition unit to an interpolated frame, in accordance with an order of the interpolated frame to be interposed between the plurality of reference original frames; and a generating unit configured to generate the interpolated frame, in accordance with the numbers of sub-pixels allocated by the allocating unit.