Abstract: In one embodiment, a stereoscopic video display apparatus includes: a plane display unit including a display screen in which first to third subpixels having respectively different color components are arranged in a matrix form; and an optical plate disposed to be opposed to the plane display unit and having a plurality of optical aperture parts. The plane display unit includes a configuration obtained by arranging the first subpixels on a first subpixel row, arranging the third subpixels on a second subpixel row adjacent to the first subpixel row, arranging the second subpixels on a third subpixel row adjacent to the second subpixel row, arranging the third subpixels on a fourth subpixel row adjacent to the third subpixel row, and arranging a set of the first to fourth subpixel rows in the column direction of subpixels on the display screen repeatedly.

Abstract: In one embodiment, a stereoscopic video display apparatus includes: a plane display unit including a display screen in which first to third subpixels having respectively different color components are arranged in a matrix form; and an optical plate. The plane display unit includes a configuration obtained by arranging a first subpixels and the second subpixels alternately on a first subpixel row, arranging the third subpixels on a second subpixel row adjacent to the first subpixel row, arranging the first subpixels and the second subpixels alternately on a third subpixel row adjacent to the second subpixel row to have a sequence opposite to that on the first subpixel row, arranging the third subpixels on a fourth subpixel row adjacent to the third subpixel row, and arranging a set of the first to fourth subpixel rows in the column direction of subpixels on the display screen repeatedly.

Abstract: According to one embodiments a video signal control apparatus includes an average luminance detector and a display luminance controller. The average luminance detector detects the average luminance of a video signal with respect to each frame. The display luminance controller controls the display luminance of a first frame using the average luminance of a second frame prior to the first frame. When luminance change from the average luminance of the first frame to that of the second frame exceeds a predetermined threshold, the display luminance controller replaces the average luminance of the second frame with that of the first frame to control the display luminance of the first frame based on the average luminance of the first frame.

Abstract: In one embodiment, a stereoscopic video display apparatus is configured to assign one subpixel column to each of a plurality of parallax images, and select three subpixels, which are the first to third subpixels, arranged consecutively in the column direction of subpixels with the third subpixel located in the center, as a pixel displaying each parallax image; cause pixels adjacent in the column direction of subpixels in each parallax image to share the first subpixel or the second subpixel; divide each of frames displaying a stereoscopic video into two subframes; assign one pixel from among the plurality of parallax images to each row in each subframe; display odd-numbered rows when displaying one of the first and second subframes; and display even-numbered rows when displaying the other of the first and second subframes.

Abstract: In one embodiment, a stereoscopic video display apparatus includes: a plane display unit including a display screen in which first to third subpixels having respectively different color components are arranged in a matrix form; and an optical plate disposed to be opposed to the plane display unit and having a plurality of optical aperture parts. The plane display unit includes a configuration obtained by arranging the first subpixels on a first subpixel row, arranging the third subpixels on a second subpixel row adjacent to the first subpixel row, arranging the second subpixels on a third subpixel row adjacent to the second subpixel row, arranging the third subpixels on a fourth subpixel row adjacent to the third subpixel row, and arranging a set of the first to fourth subpixel rows in the column direction of subpixels on the display screen repeatedly.

Abstract: In one embodiment, a stereoscopic video display apparatus is configured to divide each of frames displaying a stereoscopic video into two subframes; assign one pixel from among the plurality of parallax images to each row in each subframe; display parallax images of a first group from among the plurality of parallax images in odd-numbered rows and displaying parallax images of a remaining second group from among the plurality of parallax images in even-numbered rows, when displaying one of the first and second subframes; and display parallax images of the second group in odd-numbered rows and displaying parallax images of the first group in even-numbered rows when displaying the other of the first and second subframes.

Abstract: In one embodiment, a stereoscopic video display apparatus includes: a plane display unit including a display screen in which first to third subpixels having respectively different color components are arranged in a matrix form; and an optical plate. The plane display unit includes a configuration obtained by arranging a first subpixels and the second subpixels alternately on a first subpixel row, arranging the third subpixels on a second subpixel row adjacent to the first subpixel row, arranging the first subpixels and the second subpixels alternately on a third subpixel row adjacent to the second subpixel row to have a sequence opposite to that on the first subpixel row, arranging the third subpixels on a fourth subpixel row adjacent to the third subpixel row, and arranging a set of the first to fourth subpixel rows in the column direction of subpixels on the display screen repeatedly.

Abstract: A backlight controller for controlling a backlight unit having a plurality of light sources arranged in a grid layout for illuminating a liquid crystal panel, the backlight controller including: a first calculator configured to calculate an average value and a standard deviation of control values for controlling the light sources, the control values being obtained from a feature quantity of an input image; a second calculator configured to calculate a ratio of the standard deviation to the average value; and a gain controller configured to control a gain to be applied to the control values based on the ratio calculated by the second calculator.

Abstract: According to one embodiment, a three-dimensional image processing device which includes a separating module configured to input left and right image frames shot at the same timing and each having a frame frequency f, and to provide a left image frame and a right image frame, a first interpolation processing module configured to generate left interpolated image frames of a frame frequency of f×n/2 (where n is an integer equal to or greater than 2) at equal time intervals corresponding to elapse of time, based on the left image frames, and a second interpolation processing module configured to generate right interpolated image frames of a frame frequency of f×n/2 corresponding to an intermediate time between the left interpolated image frames, based on the right image frames.

Abstract: A backlight controller for controlling a backlight unit having a plurality of light sources arranged in a grid layout for illuminating a liquid crystal panel, the backlight controller including: a first calculator configured to calculate an average value and a standard deviation of control values for controlling the light sources, the control values being obtained from a feature quantity of an input image; a second calculator configured to calculate a ratio of the standard deviation to the average value; and a gain controller configured to control a gain to be applied to the control values based on the ratio calculated by the second calculator.

Abstract: According to one embodiment, a video signal processing apparatus includes an acquisition unit to obtain the frequency of each luminance level from the input luminance signal worth of one frame, a frequency conversion unit that logarithmically converts the frequency of each luminance level obtained and adds a preset offset value, a preparation unit that prepares a nonlinear correction processing table to cumulatively add the frequency-converted data and provide nonlinear correction processing for the input luminance signal, and a processor that provides nonlinear correction processing to the input luminance signal in accordance with the prepared nonlinear correction processing table.

Abstract: According to one embodiments a video signal control apparatus includes an average luminance detector and a display luminance controller. The average luminance detector detects the average luminance of a video signal with respect to each frame. The display luminance controller controls the display luminance of a first frame using the average luminance of a second frame prior to the first frame. When luminance change from the average luminance of the first frame to that of the second frame exceeds a predetermined threshold, the display luminance controller replaces the average luminance of the second frame with that of the first frame to control the display luminance of the first frame based on the average luminance of the first frame.

Abstract: According to one embodiment, a light emission control apparatus controlling light emissions of plural light sources in a light emission device which includes the light sources in respective light source areas and lights a liquid crystal panel using the plural light sources has following sections: an initial value setting section setting initial control values of the plural light sources; an illumination value calculation section calculating an illumination value to illuminate the liquid crystal panel for the respective light source areas based on a spread characteristic of light emitted from the plural light sources, using the initial control values set by the initial value setting section; an additional value determination section determining an additional value to increase an emission intensity of the plural light sources when an illumination value of the light source areas corresponding to screen areas of the liquid crystal panel is smaller than a maximum display value for the respective screen areas, the

Abstract: According to one embodiment, a color signal converting apparatus includes: a minimum value detecting section detecting a minimum value signal having a smallest value among a plurality of input color signals; a difference extracting section extracting a difference between the minimum value signal detected by the minimum value detecting section and a reference value; a difference adding section adding the difference extracted by the difference extracting section to each of the plural color signals; and a saturation converting section converting saturation of each of the plural color signals to which the difference is added, according to a ratio of brightness of the plural input color signals and brightness of the plural color signals to which the difference is added by the difference adding section.

Abstract: According to one embodiment, a video signal processing apparatus includes an acquisition unit to obtain the frequency of each luminance level from the input luminance signal worth of one frame, a frequency conversion unit that logarithmically converts the frequency of each luminance level obtained and adds a preset offset value, a preparation unit that prepares a nonlinear correction processing table to cumulatively add the frequency-converted data and provide nonlinear correction processing for the input luminance signal, and a processor that provides nonlinear correction processing to the input luminance signal in accordance with the prepared nonlinear correction processing table.

Abstract: An up-conversion laser unit in which a semiconductor laser of high output power can be used as a pump light source and the wavelength of up-converted laser light is suitable for display. The light of infrared wavelength is generated by the pump light source, the generated light being inputted into a Pr3+ up-conversion laser to up-convert there into red light by Pr3+ ion. The up-converted red light is inputted into, as a pump light source, a Tm3+ up-conversion laser, there being up-converted into blue light by the Tm3+ ion. Thereby, efficient up-conversion into blue light is made possible.

Abstract: Even if there is a temperature variation, a positional discrepancy at a colliding surface of an active surface of a semiconductor laser and an optical waveguide is suppressed, resulting in realization of a semiconductor light emitting element coupled with optical fiber of stable operation. In order to realize the above object, a semiconductor light emitting element coupled with optical fiber comprises a substrate, an optical waveguide disposed on the substrate and including a core and a cladding layer covering the core, a semiconductor light emitting element disposed on the substrate and comprising an output end-surface facing one end of the core of the optical waveguide, and an optical fiber comprising a core an end of which faces the other end of the core of the optical waveguide, wherein the cladding layer sandwiches both surfaces of the semiconductor light emitting element.

Abstract: Even if there is a temperature variation, a positional discrepancy at a colliding surface of an active surface of a semiconductor laser and an optical waveguide is suppressed, resulting in realization of a semiconductor light emitting element coupled with optical fiber of stable operation. In order to realize the above object, a semiconductor light emitting element coupled with optical fiber comprises a substrate, an optical waveguide disposed on the substrate and including a core and a cladding layer covering the core, a semiconductor light emitting element disposed on the substrate and comprising an output end-surface facing one end of the core of the optical waveguide, and an optical fiber comprising a core an end of which faces the other end of the core of the optical waveguide, wherein the cladding layer sandwiches both surfaces of the semiconductor light emitting element.

Abstract: To obtain an inexpensive, high-power optical fiber output semiconductor device, an edge emitting type semiconductor element, a tapered optical waveguide having a structure for accommodating expansion and contraction due to a change in temperature, and an optical fiber are prepared separately. One edge of the tapered optical waveguide is butt-joined to an output face of the edge emitting type semiconductor element. The other edge of the tapered optical waveguide is connected to the optical fiber.

Abstract: Even if there is a temperature variation, a positional discrepancy at a colliding surface of an active surface of a semiconductor laser and an optical waveguide is suppressed, resulting in realization of a semiconductor light emitting element coupled with optical fiber of stable operation. In order to realize the above object, a semiconductor light emitting element coupled with optical fiber comprises a substrate, an optical waveguide disposed on the substrate and including a core and a cladding layer covering the core, a semiconductor light emitting element disposed on the substrate and comprising an output end-surface facing one end of the core of the optical waveguide, and an optical fiber comprising a core an end of which faces the other end of the core of the optical waveguide, wherein the cladding layer sandwiches both surfaces of the semiconductor light emitting element.