Patent application number | Description | Published |
20080239144 | FRAME RATE CONVERSION DEVICE AND IMAGE DISPLAY APPARATUS - An interpolation frame generation unit includes a first unit that uses, with respect to each of pixel positions, which are determined to be a motionless region by a region determination unit, in an interpolation frame, any of an image at the same pixel position in the preceding frame, an image at the same pixel position in the current frame, and an average of the images at the same pixel position in the preceding frame and the current frame as an interpolated image at the pixel position, and a second unit that extracts, with respect to each of pixel positions, which are determined to be a motion region by the region determination unit, in the interpolation frame, an image corresponding to the pixel position in the interpolation frame from either one of the preceding frame and the current frame on the basis of a motion vector for a block including the pixel position and uses the extracted image as an interpolated image. | 10-02-2008 |
20080246927 | PROJECTION DISPLAY APPARATUS - 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. | 10-09-2008 |
20080259283 | ILLUMINATION APPARATUS AND PROJECTION DISPLAY APPARATUS - An illumination apparatus includes: a first dichroic mirror; a second dichroic mirror which separates the combined light into a red component light R and the green component light G; and a polarization adjuster provided on an optical path of the combined light between the dichroic mirrors. The polarization adjuster adjusts a polarization direction of a yellow component light Ye in the combined light. A second dichroic mirror separates the combined light into the red component light R on which a part of or all of the yellow component light Ye is superimposed and the green component light G on which the rest of the yellow component light Ye is superimposed. | 10-23-2008 |
20080259284 | ILLUMINATION DEVICE AND PROJECTION VIDEO DISPLAY DEVICE - An illumination device includes a first light source unit having a plurality of first light sources, and a first reflection unit for guiding light beams emitted respectively from the first light sources in an identical direction. The illumination device further includes a second light source unit having at least one second light source. A center of an optical axis of the second light source is defined in an area where a light amount distribution of light beams to be emitted from the first light source unit and reflected on the first reflection unit is relatively small. | 10-23-2008 |
20080279238 | ILLUMINATION APPARATUS, DISPLAY APPARATUS AND PROJECTION DISPLAY APPARATUS - An illumination apparatus includes: a solid-state light source; a Peltier element configured to cool the solid-state light source; a light amount sensor configured to detect an amount of a light emitted from the solid-state light source; a power consumption monitor configured to monitor power consumptions of the solid-state light source and the Peltier element; and a power controller configured to control powers supplied to the solid-state light source and the Peltier element. The power controller controls the powers supplied to the solid-state light source and the Peltier element, on the basis of the light amount detected by the light amount sensor and a sum of the power consumptions of the solid-state light source and the Peltier element. | 11-13-2008 |
20080303954 | Signal Processing Apparatus, Image Display Apparatus, And Signal Processing Method - A signal processing apparatus | 12-11-2008 |
20090022411 | IMAGE DISPLAY APPARATUS - An image display apparatus | 01-22-2009 |
20100060618 | IMAGE DISPLAY DEVICE AND PORTABLE TERMINAL DEVICE - An image display device includes a light source which emits laser light; an optical system which is operable to switch between a direct viewing mode of modulating the laser light and displaying the modulated light on a display section, and a projection mode of modulating the laser light and projecting the modulated light on a projection plane; and a control circuit which controls the optical system. The control circuit sets the optical system to the direct viewing mode at the time of activating an electric power source of the image display device. | 03-11-2010 |
20100060809 | IMAGE DISPLAY DEVICE AND PORTABLE TERMINAL DEVICE - An image display device includes a light source which emits laser light; an optical element which is operable to switch between a first state for reducing a coherence of the laser light and a second state for substantially maintaining the coherence of the laser light; a switching control circuit which controls the optical element; an imager which modulates the laser light transmitted through the optical element; and a modulation control circuit which controls the imager based on an image signal. The modulation control circuit causes the imager to render an image pattern for generating an image by changing alight amount at each pixel position when the optical element is in the first state, and causes the imager to render a hologram pattern for generating an image by diffraction when the optical element is in the second state. | 03-11-2010 |
20110013041 | SIGNAL PROCESSING DEVICE AND PROJECTION-TYPE IMAGE DISPLAY DEVICE - A signal processing device ( | 01-20-2011 |
20110025988 | PROJECTION DISPLAY APPARATUS AND IMAGE ADJUSTMENT METHOD - A projection display apparatus includes; an element control unit configured to control a light valve so as to display a test pattern image configuring at least one portion of a respective one of three or more line segments configuring three or more crossing points; an acquisition unit configured to acquire a pickup image of the test pattern image outputted along a predetermined line from an image pickup element configured to pick up the test pattern image projected on a projection plane; a computation unit configured to specify three or more crossing points from three or more line segments included in the pickup image, based upon the pickup image acquired by the acquisition unit, and to compute a positional relationship between the projection image apparatus and the projection plane, based upon the three or more crossing points; and an adjustment unit configured to adjust an image projected on the projection plane, based upon the positional relationship between the projection display apparatus and the projection plane. The three or more line segments have an inclination relative to the predetermined line. | 02-03-2011 |
20110084981 | SIGNAL PROCESSING APPARATUS AND PROJECTION DISPLAY APPARATUS - A signal processing apparatus ( | 04-14-2011 |
20110175940 | PROJECTION DISPLAY APPARATUS AND IMAGE ADJUSTMENT METHOD - A projection display apparatus includes: an imager configured to modulate light emitted from a light source; a projection unit configured to project light coming from the imager on a projection plane; a detection unit configured to detect a projection frame provided on the projection plane; and an imager controller configured to control the imager so that a position of an image projected on the projection plane is moved in a projectable range within which the projection unit is able to project an image. The imager controller controls the imager so that the image projected on the projection plane fits within the projection frame. | 07-21-2011 |
20120026170 | PROJECTION DISPLAY APPARATUS - 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. The light source control unit performs a light emission period control process of adjusting light emission periods of a color component light beams of a plurality of colors emitted from the light source within a | 02-02-2012 |
20120057138 | PROJECTION DISPLAY APPARATUS - 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. | 03-08-2012 |