Abstract: A liquid crystal optical device includes a liquid crystal optical unit and a drive unit. The liquid crystal optical unit includes a first substrate unit, a second substrate unit, and a liquid crystal layer. The first substrate unit includes a first substrate, a plurality of first electrodes, and a second electrode. The second substrate unit includes a second substrate and a first opposing electrode. The drive unit applies a first voltage between the first opposing electrode and the first electrodes and applies a second voltage between the first opposing electrode and the second electrode in a refractive index distribution forming operation. The drive unit applies a third voltage between the first opposing electrode and the first electrodes and applies a fourth voltage between the first opposing electrode and the second electrode in a first preliminary operation prior to the refractive index distribution forming operation.

Abstract: According to one embodiment, a parallax image generating apparatus is for generating, using a first image, a parallax images with a parallax therebetween. The apparatus includes following units. The first estimation unit estimates distribution information items indicating distributions of first depths in the first image by using first methods. The distribution information items falls within a depth range to be reproduced. The first combination unit combines the distribution information items to generate first depth information. The second calculation unit calculates second depth information indicating relative unevenness of an object in the first image. The third combination unit combines the first depth information and the second depth information by using a method different from the first methods, to generate third depth information. The generation unit generates the parallax images based on the third depth information and the first image.

Abstract: A wireless communication apparatus (100) includes a broadcast/multicast reception determination unit (120) for determining whether data distributed by broadcast/multicast is being received or not; a wireless session close process unit (140) for performing a wireless session close process when a wireless session close timer is expired; and a control unit (150) for controlling the wireless session close process unit to hold the wireless session close process activated based on expiration of the wireless session close timer until reception of data distributed by broadcast/multicast is completed, in case that it is determined that data distributed by the broadcast/multicast is being received when the wireless session close timer is expired.

Abstract: According to one embodiment, an image processing device includes an observing unit and a generating unit. The observing unit obtains an observation image by observing a viewer which views a display unit. The generating unit generates a presentation image in which visible area is superimposed on the observation image. The visible area is an area within which the viewer is able to view the stereoscopic image. A display form of the visible area changes based on a position of the viewer in a perpendicular direction to the display unit.

Abstract: A liquid crystal lens device includes a liquid crystal optical unit and a drive unit. The liquid crystal optical unit includes a first substrate unit, a second substrate unit, and a liquid crystal layer. The first substrate unit includes a first substrate, a plurality of first electrodes, and a plurality of second electrodes. The second substrate unit includes a second substrate and a first opposing electrode. The drive unit is configured to control a voltage between the first electrode and the first opposing electrode and a voltage between the second electrode and the first opposing electrode. The drive unit changes the voltage between the second electrode and the first opposing electrode from a third voltage to a fourth voltage after changing the voltage between the first electrode and the first opposing electrode from a first voltage to a second voltage.

Abstract: According to one embodiment, a first extraction unit extracts a first group of pixels having a specific hue from an input image. A second extraction unit extracts a second group of pixels having large distance from a reference axis on a plane defined by a chroma axis and a luminance axis from the first group. A first transform unit executes a plurality of color-transform processing to the second group and obtains a plurality of third groups of pixels as the second group transformed by each color-transform processing. A reliability calculation unit calculates a reliability of each third group. The reliability is larger when pixels of the third group are more located in shape of a straight line on the plane. A selection unit selects a color-transform processing by which the third group has the largest reliability from the plurality of color-transform processing. A second transform unit executes the color-transform processing to the input image to obtain an output image.

Abstract: According to one embodiment, a liquid crystal optical apparatus includes a first substrate unit, a second substrate unit, and a liquid crystal layer. The first substrate unit includes a first substrate and a plurality of first electrodes. The first electrodes are provided on the first substrate to extend in a first direction. Each of the first electrodes has a first side surface and a second side surface opposite to the first side surface. The second substrate unit includes a second substrate and an opposing electrode. The second substrate opposes the first substrate. The opposing electrode is provided on the second substrate to oppose the first electrodes. The liquid crystal layer is provided between the first substrate unit and the second substrate unit. The first side surface has a first protruding portion and a first recessed portion arranged with the first protruding portion in the first direction.

Abstract: According to one embodiment, an image display device includes a liquid crystal lens device and an image display unit. The liquid crystal lens device includes a liquid crystal optical element unit. The liquid crystal optical element unit includes a first substrate unit, a second substrate unit and a liquid crystal layer. The liquid crystal layer is provided between the first and second substrate units. The liquid crystal layer has an alignment twisted by an angle not less than 5 degrees and not more than 45 degrees along a normal axis of a major surface of the first substrate unit. The image display unit includes a display unit. The second substrate unit is disposed between the first substrate unit and the display unit.

Abstract: According to one embodiment, an image display device includes a liquid crystal optical apparatus, an image display unit, and a control unit. The image display unit includes a display unit stacked with the liquid crystal optical apparatus. The control unit controls a potential of electrodes provided in the liquid crystal optical apparatus. Light including kth (k being an integer) major region parallax image is emitted outside the liquid crystal optical apparatus through a lens center portion. Light including kth adjacent region parallax image is emitted outside the liquid crystal optical apparatus through a refractive index increase portion.

Abstract: According to one embodiment, liquid crystal optical apparatus includes a first substrate unit, a second substrate unit, and a liquid crystal layer. The first substrate unit includes a first substrate, first electrodes extending in a first direction, a first sub electrode, and a second sub electrode. The second substrate unit includes a second substrate and an opposing electrode. The liquid crystal layer is provided between the first and second substrate units and. The first substrate unit including at least one selected from: a first distance between the one electrode of the first electrodes and the first sub electrode longer than a second distance between the other electrode of the first electrodes and the second sub electrode; and a first width of the first sub electrode narrower than a second width of the second sub electrode.

Abstract: According to one embodiment, a liquid crystal optical apparatus includes a first substrate unit, a second substrate unit, and a liquid crystal layer. The first substrate unit includes a first substrate, first electrodes, and second electrodes. The first electrodes extend in a first direction. The second electrodes are disposed between the first electrodes. The second substrate unit includes a second substrate, a first opposing electrode, and a second opposing electrode. The second opposing electrode is separated from the first opposing electrode. The liquid crystal layer is provided between the first and second substrate units. The distance along the second direction between the central axis and a first separating region between the first opposing electrode and the second opposing electrode is longer than a distance between the central axis and the second electrode.

Abstract: According to one embodiment, a solid-state image sensing device includes a semiconductor substrate having a first and second surface, an insulating film covering an element on the first surface, a pixel array including pixels configured to photoelectrically convert light applied on the side of the second surface, contact regions in the semiconductor substrate, one or more through-electrodes respectively provided in the contact regions, and first pads provided on the side of the second surface to correspond to the respective contact regions. The first pad extends in a first direction from the contact regions toward the pixel array.

Abstract: According to one embodiment, an image processing apparatus includes a scale down unit, a calculation unit, a scale up unit, and a subtraction unit. The scale down unit generates a scaled down image by scaling down a target image. The scaled down image has a size smaller than the target image. The calculation unit calculates a pixel value of a diffuse reflection component of each pixel in the scaled down image, and generates a first diffuse reflection image having the pixel value and the same size as the scaled down image. The scale up unit generates a second diffuse reflection image by scaling up the first diffuse reflection image. The second diffuse reflection image has the same size as the target image. The subtraction unit generates a specular reflection image by subtracting the second diffuse reflection image from the target image.

Abstract: According to one embodiment, an image display device includes an image display unit and a liquid crystal optical apparatus stacked with image display unit. The image display unit emits image light having a polarizing axis. The liquid crystal optical apparatus includes first and second substrate units and a liquid crystal layer. The first substrate unit includes a first substrate and first electrodes extending along a first direction. An angle between the polarizing axis and a second direction perpendicular to the first direction is greater than 0 degrees and less than 90 degrees. The liquid crystal layer is provided between the first and second substrate units. An angle between a long-axis direction of the liquid crystal and the polarizing axis is greater than 0 degrees and less than the angle between the polarizing axis and the second direction.

Abstract: According to one embodiment, an image display device has a liquid crystal panel, a backlight, an intensity setting unit, a presumption unit, a signal correction unit, an error calculation unit and a control unit. The intensity setting unit sets intensities of the light sources, respectively. The presumption unit presumes color information based on intensity information representing the intensities. The signal correction unit corrects an input video signal according to the color information, and obtains a corrected video signal. The error calculation unit presumes a display image from the corrected video signal and the input video signal, and calculates display errors between the presumed display image and an input image corresponding to the input video signal. The control unit controls sets the intensities of the light sources as the emission intensities of the backlight so that the display errors obtained from the error calculation unit can be minimum.

Abstract: According to one embodiment, a liquid crystal optical apparatus includes first and second substrate units, a liquid crystal layer, and a drive unit. The first substrate unit includes a first substrate having a first major surface, a plurality of first and second electrodes. The first electrodes are provided on the first major surface to extend in a first direction. The second electrodes are provided on the first major surface to extend in the first direction. The second substrate unit includes a second substrate having a second major surface opposing the first major surface and an opposing electrode. The opposing electrode is provided on the second major surface. The liquid crystal layer is provided between the first and second substrate units. The drive unit is electrically connected to the first and second electrodes, and the opposing electrode and forms a refractive index distribution in the liquid crystal layer.

Abstract: According to one embodiment, a liquid crystal optical apparatus includes a first substrate unit, a second substrate unit, and a liquid crystal layer. The first substrate unit includes a first substrate having a first major surface and first electrodes provided on the first major surface to extend along a first direction, and arranged in a direction non-parallel to the first direction. The second substrate unit includes a second substrate having a second major surface opposing the first major surface and a second electrode provided on the second major surface to oppose the first electrodes. The liquid crystal layer is provided between the first and second substrate units. One of the first electrodes includes a first main body portion and a first tip portion. The first main body portion extends along the first direction, and the first tip portion is provided at a tip of the first main body portion.

Abstract: According to one embodiment, a liquid crystal optical apparatus includes first and second substrate units, and a liquid crystal layer. The first substrate unit includes a first substrate and first electrodes. The first electrodes are provided on the first substrate to extend along a first direction, and arranged in a second direction perpendicular to the first direction. The second substrate unit includes a second substrate and a second electrode. The second substrate opposes the first substrate. The second electrode is provided on the second substrate to oppose the first electrodes. The liquid crystal layer is provided between the first and second substrate units. At least one of the first electrodes is provided with a recess formed on a surface of the at least one of the first electrodes. The surface opposes the second electrode.

Abstract: According to one embodiment, a liquid crystal optical element includes a first substrate unit, a second substrate unit, a liquid crystal layer, and spacers. The first substrate unit includes a first substrate, first electrodes, and second electrodes. The first substrate has a first major surface. The first electrodes are provided on the first major surface. One of the second electrodes is provided in a space between the first electrodes. The second substrate unit includes a second substrate, and an opposing electrode. The second substrate has a second major surface opposed to the first major surface. The opposing electrode is provided on the second major surface and opposed to the first and second electrodes. The liquid crystal layer is provided between the first and second substrate units. The spacers are in contact with the liquid crystal layer and define a distance between the first and second substrate units.

Abstract: According to one embodiment, a liquid crystal optical element includes first and second substrate units, a liquid crystal layer, and spacers. The first substrate unit includes a first substrate and first electrodes. The first substrate has a first major surface. The first electrodes are provided on the first major surface, extend along a first direction, and have a first width in a second direction perpendicular to the first direction. The second substrate unit includes a second substrate and an opposing electrode. The second substrate has a second major surface opposed to the first major surface. The opposing electrode is provided on the second major surface. The liquid crystal layer is provided between the first and second substrate units. The spacers are in contact with the liquid crystal layer. A diameter of each spacer is larger than the first width.