Patent application number | Description | Published |
20090051685 | STEREOSCOPIC IMAGE DISPLAY APPARATUS - A stereoscopic image display apparatus includes: a plane display device including a display panel formed of pixels arranged in a matrix form and an image display controller controlling an image displayed on the display panel; an optical plate including a plurality of lenses provided in front of the display panel and controlling light rays illuminated from the pixels; a display mode selector selecting one of stereoscopic image display and two-dimensional image display as a display mode; an analyzer analyzing image information contained in a two-dimensional image displayed based on a display information and determine whether to process the two-dimensional image when two-dimensional image display as a display mode be selected; and an image processor processing the two-dimensional image based on a result of the analysis conducted by the analyzer, sending the processed two-dimensional image to the image display controller, and causing the image display controller to display the processed two-dimensional image on the display panel. | 02-26-2009 |
20090052026 | STEREOSCOPIC IMAGE DISPLAY APPARATUS - It is made possible to provide a stereoscopic image display apparatus capable of preventing the stereoscopic display characteristics from being degraded even if the locus of light rays between the lens and the two-dimensional display device becomes long. A stereoscopic image display apparatus includes: a plane display device having a display face formed of a plurality of pixels arranged in a matrix form; an optical plate comprising a plurality of lenses which are arranged in front of the display face of the plane display device and which have a uniaxial double refractive material inserted therein, and controlling light rays from the pixels; and a sheet polarizer provided between the plane display device and the optical plate to align a polarization direction of light ray. In the double refractive material, a maximum primary axis of refractive index is parallel to ridgelines of the lenses and is inclined in a direction opposed to a viewer. | 02-26-2009 |
20090079818 | STEREOSCOPIC IMAGE DISPLAY APPARATUS AND STEREOSCOPIC IMAGE DISPLAY METHOD - It is made possible to provide a stereoscopic image display apparatus capable of preventing a luminance difference from being caused between left and right eyes irrespective of the observation position even if the viewing zone is wide and the number of parallaxes is large. A stereoscopic image display apparatus includes: a display unit including pixels arranged in a matrix form in a longitudinal direction and a lateral direction; an optical plate installed so as to be opposed to the display unit and having linear optical openings prolonged in a longitudinal direction and arranged in a lateral direction; and a luminance compensation processing unit which, for each of elemental images associated with the optical openings, sets a brightness of an image displayed on a pixel located in a center of the elemental image smaller than a brightness of an image displayed on a pixel located in each of boundaries of the elemental image. | 03-26-2009 |
20090244270 | STEREOSCOPIC IMAGE DISPLAY APPARATUS - A stereoscopic image display apparatus includes: a plane display device; a lens array provided in front of the display surface to distribute light rays from pixels of the display device to predetermined angles, and having a plurality of lenses arranged in a first direction; a variable polarizer provided between the plane display device and the lens array to polarize light rays from the pixels; and a double refraction prism array provided on an opposite side of the lens array from the display device, and including a plurality of double refraction prisms. Each of the double refraction prisms has a ridge in a second direction perpendicular to the first direction and arranged in the first direction with a pitch which is substantially twice a lens pitch in the lens array, and has double refraction in which a refractive index in a ridge direction is different from a refractive index in a direction perpendicular to the ridge direction. | 10-01-2009 |
20100073347 | STEREOSCOPIC IMAGE DISPLAY APPARATUS - It is made possible to prevent luminance falling and moire occurrence and change over between a two-dimensional image and a three-dimensional image partially. When displaying one of a three-dimensional image and a two-dimensional image on a background and displaying the other image in a window, a flag bit indicating whether the first and second electrodes overlap the window is set. Waveforms differing according to the flag bit are applied to the first and second electrodes as pulses applied to the opposed first and second electrodes of a variable polarization cell. As a result, three-dimensional image display is partially conducted in the window and two-dimensional image display is conducted in areas other than the window. Or two-dimensional image display is partially conducted in the window and three-dimensional image display is conducted in areas other than the window. | 03-25-2010 |
20110187948 | STEREOSCOPIC IMAGE DISPLAY APPARATUS - Certain embodiments provide a display device a plurality of subpixels arranged in a first direction and a second direction perpendicular to the first direction to form a matrix, and each having an aperture provided with a color component; and an optical controller provided to be opposed to the display device having a plurality of rectilinear optical apertures extending in the second direction are arranged in the first direction. A shape pf the aperture in the subpixel is depending upon a condition that the apertures in the subpixels adjacent to each other in the first direction have a nonoverlapping region which is a nonoverlapping region in the second direction and a condition that an aperture ratio indicating a ratio of the aperture to the subpixel in length in the second direction is substantially constant in one line in the second direction irrespective of a position in the first direction. | 08-04-2011 |
20120057087 | AUTOSTEREOSCOPIC IMAGE DISPLAY APPARATUS - An autostereoscopic image display apparatus according to an embodiment includes: a plane display device including pixels arranged in a matrix form; and an optical plate provided in front of the plane display device to control light rays illuminated from the pixels. The optical plate includes: first and second substrates, each being transparent to light; liquid crystal sandwiched between the first substrate and the second substrate; first electrodes arranged periodically on a first plane of the first substrate opposed to the second substrate; second electrodes disposed on the first plane of the first substrate and between the first electrodes adjacent to each other; a third electrode provided on a second plane of the second substrate opposed to the first substrate; and at least one spacer provided between the first substrate and the second substrate to hold a space between the first substrate and the second substrate. The spacer is disposed on the first electrode. | 03-08-2012 |
20120069255 | STEREOSCOPIC IMAGE DISPLAY APPARATUS - A stereoscopic image display apparatus is structured such that strip-shaped electrodes opposing a planar electrode and having end electrodes and a center electrode are disposed at intervals in a pitch direction of the liquid crystal lens array, such that a potential difference between the planar electrode and the center electrode is set smaller than a rising voltage Vth of the liquid crystal layer and a third voltage V3 larger in absolute value than a first voltage V1 applied to the planar electrode and a second voltage V2 applied to the center electrode and also larger than the rising voltage is applied to the end electrodes, and such that the relation 0.07503-22-2012 | |
20120162592 | GRADIENT REFRACTIVE INDEX LIQUID CRYSTAL OPTICAL APPARATUS AND IMAGE DISPLAY APPARATUS - A gradient index liquid crystal optical apparatus according to an embodiment includes: a first substrate having a first face; a second substrate having a second face opposed to the first face of the first substrate; a liquid crystal layer sandwiched between the first substrate and the second substrate; a plurality of first electrodes provided on the first face of the first substrate, and arranged along a first direction; a plurality of second electrodes provided on the first face of the first substrate to correspond to the first electrodes, the plurality of second electrodes being arranged along the first direction; a plurality of third electrodes provided on the first face of the first substrate and arranged along the first direction; and a fourth electrode provided on the second face of the second substrate. | 06-28-2012 |
20120242661 | STEREOSCOPIC IMAGE DISPLAY APPARATUS - When displaying one of a three-dimensional image and a two-dimensional image on a background and displaying the other image in a window, a flag bit indicating whether the first and second electrodes overlap the window is set. Waveforms differing according to the flag bit are applied to the first and second electrodes as pulses applied to the opposed first and second electrodes of a variable polarization cell. As a result, three-dimensional image display is partially conducted in the window and two-dimensional image display is conducted in areas other than the window. Or two-dimensional image display is partially conducted in the window and three-dimensional image display is conducted in areas other than the window. | 09-27-2012 |
20120327068 | DISPLAY APPARATUS AND DRIVE METHOD - If areas corresponding to the address electrodes in the second row have an area to be stereoscopic display and an area not to be stereoscopic display and an area of the connecting wire of the far electrode corresponding to the area to be stereoscopic display in the second column is included in the area not to be stereoscopic display in the first column, then a third address voltage obtained by inverting the first address voltage in positive-negative polarity is applied to the address electrodes in the second row, a third column voltage obtained by inverting the first column voltage in positive-negative polarity is applied to the far electrode corresponding to the area to be stereoscopic display, and a fourth column voltage obtained by inverting the second column voltage in positive-negative polarity is applied to the far electrode corresponding to the area not to be stereoscopic display. | 12-27-2012 |
20130258219 | GRADIENT INDEX LIQUID CRYSTAL OPTICAL DEVICE AND IMAGE DISPLAY DEVICE - According to one embodiment, a device includes first and second substrate units, a liquid crystal layer. The first substrate unit includes a first substrate, first and second electrodes, an extraction electrode, and a dielectric material layer. The second substrate unit includes a second substrate and a third electrode. The liquid crystal layer is provided between the first and second substrates. The first electrodes are provided on the first substrate to extend in a first direction. The second electrodes are provided on the first substrate and extend along the first direction. The extraction electrode is for electrically connecting the second electrodes. The third electrode is provided on the second substrate to extend in a second direction intersecting the first direction. | 10-03-2013 |
20140118647 | LIQUID CRYSTAL LENS DEVICE AND METHOD OF DRIVING THE SAME - A liquid crystal lens device according to an embodiment includes: a first substrate; a pair of first electrodes on a first surface of the first substrate, extending in a first direction, and arranged in a second direction perpendicular to the first direction; a pair of second electrodes between the pair of first electrodes on the first surface, extending in the first direction, and arranged in the second direction; third electrodes each between one of the first electrodes and one of the second electrodes on the first surface, extending in the first direction, and arranged in the second direction; a second substrate including a second surface facing the first surface; a counter electrode on the second surface of the second substrate; and a liquid crystal layer between the first substrate and the second substrate. | 05-01-2014 |
20140139766 | LIQUID CRYSTAL OPTICAL ELEMENT AND IMAGE DISPLAY DEVICE - According to one embodiment, a liquid crystal optical element includes: a pair of first and second substrates; a liquid crystal layer provided between the first and second substrates; first electrodes provided on the first substrate on the liquid crystal layer side and arranged along a first direction; second electrodes provided on the second substrate on the liquid crystal layer side and arranged along a second direction; and a driving unit configured to apply a voltage between the first electrodes and the second electrodes. The first electrodes are divided into electrode regions arranged along a third direction. The first electrodes included in each of the electrode regions are electrically connected to an extension line. | 05-22-2014 |
20140176841 | GRADIENT REFRACTIVE INDEX LIQUID CRYSTAL OPTICAL APPARATUS AND IMAGE DISPLAY APPARATUS - A gradient index liquid crystal optical apparatus according to an embodiment includes: a first substrate having a first face; a second substrate having a second face opposed to the first face of the first substrate; a liquid crystal layer sandwiched between the first substrate and the second substrate; a plurality of first electrodes provided on the first face of the first substrate, and arranged along a first direction; a plurality of second electrodes provided on the first face of the first substrate to correspond to the first electrodes, the plurality of second electrodes being arranged along the first direction; a plurality of third electrodes provided on the first face of the first substrate and arranged along the first direction; and a fourth electrode provided on the second face of the second substrate. | 06-26-2014 |
20140192169 | STEREOSCOPIC IMAGE DISPLAY DEVICE, CONTROL DEVICE, AND DISPLAY PROCESSING METHOD - According to an embodiment, a stereoscopic image display device includes a display, an optical element, a detector, a calculator, a deriver, and an applier. The display has a display surface including pixels arranged thereon. The optical element has a refractive-index distribution that changes according to an applied voltage. The detector detects a viewpoint position representing a position of a viewer. The calculator calculates a gravity point of the viewpoint positions when a plurality of viewpoint positions are detected. The deriver derives a drive mode according to the gravity point, where the drive mode is indicative of a voltage to be applied to the optical element. The applier applies a voltage to the optical element according to the drive mode such that a visible area within which a display object displayed on the display is stereoscopically viewable is set at the gravity position. | 07-10-2014 |
20140192284 | Gradient Index Liquid Crystal Optical Device and Image Display Device - According to one embodiment, an optical device includes a first substrate, a second substrate arranged to face the first substrate, a liquid crystal layer, first electrodes, second electrodes, a third electrode, and fourth electrodes. The first electrodes are provided on the first substrate on a side of the liquid crystal layer and extends in a first direction. The second electrodes are arranged between the first electrodes and extend in the first direction. The third electrode is provided on the second substrate on the side of the liquid crystal layer and extends in a third direction. The fourth electrodes are arranged between the first and second electrodes and extend in the first direction. The second electrodes adjacent in a second direction are electrically connected, and the fourth electrodes adjacent in the second direction are electrically connected. | 07-10-2014 |
20140233101 | IMAGE DISPLAY DEVICE - According to an embodiment, an image display device includes an optical element, a voltage controller, and a display. Regarding the optical element, the refractive-index distribution changes according to the voltage applied thereto. The voltage controller controls, in a first mode, the voltage applied to the optical element in such a way that a first-type refractive-index distribution is achieved which acts as a first-type Fresnel lens; and controls, in a second mode that is different than the first mode, the voltage applied to the optical element in such a way that a second-type refractive-index distribution is achieved which acts as a second-type Fresnel lens having a greater number of steps than the first-type Fresnel lens. The display is disposed on the back side of the optical element and displays images. | 08-21-2014 |
20140285741 | Liquid Crystal Lens Device, Image Display Apparatus, Drive Device, and Drive Method - According to an embodiment, a liquid crystal lens device includes an optical element and a voltage controller. The optical element includes: a refractive index modulation layer of which a refractive index distribution changes according to a voltage applied thereto; and electrodes to apply a voltage to the refractive index modulation layer. In a first voltage state, the voltage controller controls voltages applied to the electrodes such that a first refractive index distribution is arranged periodically in the optical element. In a second voltage state, the voltage controller controls voltages applied to the electrodes such that a second refractive index distribution is achieved. In an intermediate voltage state, the voltage controller controls a voltage applied to a first-type electrode, to which a first voltage that is the maximum value among the voltages applied to the electrodes in the first voltage state is applied, to a second voltage lower than the first voltage. | 09-25-2014 |