Patent application number | Description | Published |
20090096806 | Image Signal Converting Apparatus And Image Display Apparatus - 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. | 04-16-2009 |
20090141050 | IMAGE SIGNAL CONVERTING APPARATUS AND IMAGE DISPLAY APPARATUS - The controlling unit | 06-04-2009 |
20100165003 | Image Display Apparatus And Projection Display Apparatus - An image display apparatus includes a light source controller; an element controller; and an image analyzing unit. The light source controller controls the amount of the light to be emitted from the light source, based on the target light amount and a time constant. The image analyzing unit calculates saturation based on the signal values of the video input signals of the plurality of colors, and sets the time constant according to the saturation. | 07-01-2010 |
20100182668 | Projection Image Display Apparatus - A projection image display apparatus includes a solid light source, and a projection element configured to scan a projection plane with spot light emitted from the solid light source. The projection image display apparatus includes an element controller configured to control a scanning speed of the projection element on the basis of an image input signal; and a signal corrector configured to correct the image input signal on the basis of the scanning speed of the projection element controlled by the element controller. | 07-22-2010 |
20100245586 | PROJECTION DISPLAY APPARATUS - A camera for capturing an object that will enter a projection space is attached to the casing of a projection display apparatus. The camera is installed at the position in which, when the camera faces the projection plane, at least one of the back direction and the side direction of the casing is included within the filed of view of the camera. For example, the cameras are installed on both side edges of the casing so as to face each other. | 09-30-2010 |
20100245780 | PROJECTION DISPLAY APPARATUS - A detection unit detects an entering object that will enter at least a projection space. When an entering object has been detected by a first detection unit, a controller initiates safety processing, the safety processing being milder than safety processing that is initiated when an error has occurred in the projection display apparatus itself. For example, when an entering object has been detected, the controller controls components of the projection display apparatus so as to switch to the projection of a black image and so as to maintain the state of the projection display apparatus, excluding the switching. | 09-30-2010 |
20110032488 | Projection Display Apparatus - A projection display apparatus includes: a light source, a light valve configured to modulate light emitted from the light source, a projection unit configured to project light emitted from the light valve, on a projection surface, and a valve controller configured to initialize the light valve in response to a drive-starting command to start driving the projection display apparatus; and a light-source controller configured to make the light source start operating when the valve controller finishes initialization of the light valve. | 02-10-2011 |
20120081678 | PROJECTION DISPLAY APPARATUS AND IMAGE ADJUSTMENT METHOD - A projection display apparatus displays a test pattern image formed of at least parts of three or more line segments defining three or more intersection points. The projection display apparatus computes a positional relationship between the projection display apparatus and the projection surface, based on the three or more intersection points. The test pattern image has a distortion in an opposite direction to a direction of the lens. | 04-05-2012 |
20120113398 | PROJECTION DISPLAY APPARATUS - A projection display apparatus ( | 05-10-2012 |
20120140189 | Projection Display Apparatus - A projection display apparatus includes: an imager; a projection unit; an acquisition unit; a shape correction unit that performs a shape correction process for projecting a shape correction pattern image on the projection plane, calculating shape correction values from the picked-up image of the shape correction pattern image, and correcting the shape of the image projected on the projection plane, based on the shape correction values; and a coordinate calibration unit that performs an interactive calibration process for projecting a calibration pattern image on the projection plane, calculating calibration correction values from the picked-up image of the calibration pattern image, associating coordinates of the picked-up image captured by the image pick-up element and coordinates of the image projected on the projection plane with each other, based on calibration correction values. The interactive calibration process is performed after the shape correction process. | 06-07-2012 |
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 |
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 |
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 |
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 |