Abstract: 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.

Abstract: 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.

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 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 controlling unit 130 generates an image output signal based on an image input signal. The fourth color component light is substitutable by substitution component light composed of any two of the red component light, the green component light, and the blue component light. The controlling unit, according to a light amount of the fourth color component light, subtraction processing on a subtraction target signal that is input signal constituting a part of the image input signal and corresponding to the substitution component light, and the controlling unit generates an output signal constituting a part of the image output signal and corresponding to the substitution component light.

Abstract: A projection display apparatus 100 including a plurality of solid state light sources 11 includes: a sensor 70 detecting an amount of light emitted from the plurality of solid state light sources 11; a degradation rate calculating unit 250 acquiring, from the amount of light detected by the sensor 70, an amount of light emitted from a measurement target light source which is any one of the plurality of solid state light sources: and a light source controlling unit 240 controlling, for each of the plurality of state light sources 11, emission periods in which the plurality of solid state light sources 11 emit light so that the degradation rate calculating unit 250 acquires the amount of light emitted from the measurement target light

Abstract: A display device has: an RGB-RGBW conversion circuit that converts RGB signals fed thereto into RGBW signals; a display panel that has a plurality of dots each composed of four, namely R, G, B, and W, unit pixels and that displays an image based on the RGBW signals; a defect position specifier that specifies, if a unit pixel is found defective, a position of the defective pixel on the display panel; and a conversion rate controller that controls the rate at which, when the RGB signals are converted into the RGBW signals, the RGB signals are converted into a W signal according to the position of the defective pixel. If the defective pixel is a W pixel, the conversion rate for pixels adjacent thereto is made lower than the standard conversion rate set for the entire display panel.

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: An uneven display correction method including a first step of dividing a display area of a display panel into a plurality of unit areas, the first step setting one arbitrary unit area among the unit areas at a reference area, the first step previously determining a value as a correction parameter in each unit area, the value corresponding to a difference between a light-emission start gradation level of the unit area and the light-emission start gradation level of the reference area; and a second step of correcting an input video signal based on the correction parameter determined in each unit area.

Abstract: An image display apparatus 100 comprises: a low-luminance frame generator 230 configured to generate a low-luminance frame in which a luminance of an original frame corresponding to an image input signal is decreased; a motion-compensated frame generator 240 configured to generate a motion-compensated frame in which a motion of an object included in the original frame is compensated; a combining ratio changer 250 configured to change a combining ratio between the low-luminance frame and the motion-compensated frame according to an image characteristic obtained based on the image input signal; a combiner 260 configured to generate a combining frame by combining the low-luminance frame and the motion-compensated frame; and an output signal unit 270 configured to insert the combining frame between continuous original frames.

Abstract: A signal processing apparatus 200 comprises a detection unit 221 configured to detect a motion vector in a control target area targeted for an edge-enhancement control; an extraction unit 222 configured to extract a horizontal component which is a motion vector component in a horizontal direction and a vertical component which is a motion vector component in a vertical direction, from the motion vector detected by the detection unit 221; a calculation unit 223 configured to calculate a horizontal direction enhancement amount based on an amount of the horizontal component, and to calculate a vertical direction enhancement amount based on an amount of the vertical component; and an edge-enhancement control unit 224 configured to control an edge enhancement amount for the control target area based on the horizontal direction enhancement amount and the vertical direction enhancement amount.

Abstract: When an input detection unit has detected that no user operation has been performed to an organic EL display apparatus for a predetermined period of time or when a processing detection unit has detected that a predetermined processing is being performed, the input detection unit or the processing detection unit outputs an instruction to a reference voltage adjusting unit to modify a reference voltage referenced by a DAC unit upon conversion to an analog output signal.

Abstract: 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.

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: 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.

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: An image data conversion device includes an image data input unit to which image data formed of a plurality of first pixel data, each including values of three basic colors of red, green and blue, is inputted; and a color converter configured to convert first pixel data into second pixel data including at least the values of the three basic colors and a value of a fourth color, by processing each of the plurality of first pixel data forming the image data. The color converter includes a controller configured to control changes in the value of the fourth color included in the second pixel data corresponding to the first pixel data, on the basis of the values of the three basic colors included in the first pixel data.

Abstract: The invention provides an organic LED display device of the digital drive type which has a display panel comprising a plurality of pixels 51. Each of the pixels 51 comprises an organic EL element 50, a drive transistor TR2 for effecting or interrupting the passage of current through the EL element 50 in response to the input of an on/off control signal, a write transistor TR1 to be brought into conduction upon receiving scanning voltage applied thereto from a scanning driver, a capacitance element C to be supplied with data voltage from a data driver by the write transistor TR1 conducting, and a comparator 9 for comparing a predetermined ramp voltage with the output voltage of the capacitance element C and supplying the result of comparison to the drive transistor TR2 as the on/off control signal.

Abstract: A projection-type image display device has a solid light source and a light valve, and causes light emitted from the solid light source to perform scanning on the light valve along a predetermined scanning line. The projection-type image display device is provided with a modulation amount controller configured to control a modulation amount of the light valve according to an input video signal which is a video signal inputted to the projection-type image display device, and an output controller configured to determine a reference output according to the input video signal. The output controller controls an output of the solid light source according to the reference output.

Abstract: A luminance control method for an organic EL display comprises a first step of calculating a luminance accumulation value for each screen on the basis of a video input signal, and a second step of controlling the amplitude of the video input signal on the basis of the luminance accumulation value calculated in the first step and feeding to the organic EL display the video signal whose amplitude has been controlled.