Patent application number | Description | Published |
20090086111 | Projection Display Device - In a projection display device which includes a light source for outputting a light and a plurality of light modulating devices for modulating the light from the light source based on an input image signal, the projection display device comprises: a plurality of light quantity adjusting devices disposed on respective incidence sides of the light modulating devices and serving to adjust the quantity of light incident on the respective light modulating devices; and a controller unit for controlling the respective light quantity adjusting devices based on the input image signal. | 04-02-2009 |
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 |
20090109409 | LIGHTING UNIT AND PROJECTION DISPLAY APPARATUS - A projection display apparatus | 04-30-2009 |
20090141050 | IMAGE SIGNAL CONVERTING APPARATUS AND IMAGE DISPLAY APPARATUS - The controlling unit | 06-04-2009 |
20090290068 | Signal Processing Device And Projection Display Apparatus - 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. | 11-26-2009 |
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 |
20110279456 | PROJECTION DISPLAY APPARATUS AND DISPLAY SYSTEM - A projection display apparatus is provided with a main body unit comprised of a light source and a projection element for projecting light emitted from the light source to a projection plane. The projection element is provided in the main body unit. The main body unit is further comprised of an adjusting member exclusively used for the operation of an image adjustment function to adjust an image on the projection plane, wherein the image is composed of the light emitted from the projection element. | 11-17-2011 |
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 |
20120299805 | PROJECTION DISPLAY APPARATUS - The projection display apparatus comprises: an image control unit configured to control a second viewpoint image of the plurality of viewpoint images to suppress crosstalk of a first viewpoint image. The image control unit controls a suppression amount of crosstalk according to a position on the projection plane. | 11-29-2012 |
20140132850 | PROJECTION IMAGE DISPLAY APPARATUS AND WAVEPLATE - Provided is a projection image display apparatus that can restrict crosstalk between a left eye image and a right eye image. The projection image display apparatus includes a liquid crystal element that switches polarization of the light emitted from the optical modulation element between a first polarization and a second polarization, and a waveplate that is provided between the liquid crystal element and the projection surface. The waveplate includes a plurality of areas having different slow axes or fast axes from each other. | 05-15-2014 |
20140293247 | PROJECTION DISPLAY APPARATUS - A projection display apparatus includes an optical system configured to project an image, an optical path changing unit configured to change an optical path of the image to change projected positions, on a projection plane, of pixels composing the image, a driver configured to shift the optical path changing unit, and a drive controller configured to control the driver. The drive controller controls the driver with a first constant voltage in a first constant voltage section, with a second constant voltage larger than the first constant voltage in a second constant voltage section, and with a first transition voltage continuously changing from the first constant voltage to the second constant voltage in a first transition section between the first constant voltage section and the second constant voltage section. The first transition voltage is a voltage that a waveform obtained by differentiating the first transition voltage is a continuous waveform. | 10-02-2014 |
20140340492 | PROJECTION DISPLAY APPARATUS - A projection display apparatus includes an image generation unit that generates an image light, an optical system that projects the image light onto a projection plane, an optical path changing unit that changes a display position of the image light on the projection plane, and a controller. The controller generates signals for plural types of sub-frames by dividing spatially a signal for each frame of the video input signal. The controller controls the optical path changing unit to keep the display position of the image light on the projection plane before and after transition of the frame of the video signal, and controls the image generation unit to make a type of a beginning sub-frame in a frame output just after the transition equal to a type of a last sub-frame in a frame output just before the transition. | 11-20-2014 |