Abstract: A motion vector detection method includes extracting a first block from the m-th picture, extracting second blocks having a large correlation with respect to the first block from a (m+n)-th picture ((m+n)>m-th), detecting first motion vectors between the first and second blocks, extracting a third block located in spatially the same position as that of the first block from a (m+i)-th picture ((m+n)>(m+i)>m-th), computing second motion vectors of (n−1)/n times the first motion vectors, extracting a fourth block corresponding to a movement position of the third block from the (m+n)-th picture according to the second motion vector, and selecting an optimum motion vector maximizing a correlation between the third and fourth blocks from the first motion vectors.

Abstract: A liquid crystal displaying method includes: multiplying, a difference value of luminance information and a difference value of color-difference information each by an emphasis coefficient &agr; (&agr; is a positive real number); adding the luminance information in which the input image information has been delayed for one frame period and the color-difference information in which the input image information has been delayed for one frame period to the difference value of the luminance information multiplied by the emphasis coefficient &agr; and the difference value of the color-difference information multiplied by the emphasis coefficient &agr;, respectively, to obtain emphasized image information. The difference value of the luminance information is the luminance information of the input image information having the luminance information and the color-difference information subtracted from the luminance information in which the input image information has been delayed for one frame period.

Abstract: There is provided a field emission type display which is capable of suppressing deterioration of image quality which otherwise occurs due to stepwise cuts and to the increase of wiring resistance caused by a thin width of a cathode line and which causes less failures. The display includes a plurality of cathode lines having an equal line width within the pixel and is structurally based on a multiple gradation representing a scheme of controlling spatial gradation display by changing the number of field emission type emitters to be driven by changing the number of cathode lines to be selected.

Abstract: Disclosed is an image display method comprising dividing an original image for one frame period into a plurality of subfield images, arranging the subfield images in a direction of a time axis in an order of brightness of the subfield images, and displaying the arranged subfield images in the order of the brightness.

Abstract: Disclosed is a method for driving an active matrix type liquid crystal display device including a first electrode, a second electrode, and a liquid crystal layer interposed between the first and the second electrodes, and the liquid crystal layer having a larger polarization when a voltage of a first polarity is applied to the first electrode against the second electrode than that when a voltage of a second polarity different from the first polarity is applied to the first electrode against the second electrode, the method comprising dividing a frame into a first field and a second field, applying a first voltage of the first polarity to the first electrode during the first field, generating a second voltage from the first voltage by changing its polarity, a magnitude of the second voltage being modified by an amount of &Dgr;V(&Dgr;V≠0) based on a magnitude of the first voltage in a direction of the first polarity when the first voltage is not zero, and applying the second voltage to the first electrode du

Abstract: A liquid crystal display apparatus comprising a display panel having a plurality of pixels arranged in a matrix, signals lines for inputting a video signal to the plurality of pixels, and switching elements for selecting the pixels individually, a video decoder which decodes input compressed video data to obtain a reconstructed picture signal for each frame, a change region detector for detecting a change region between a previous frame and a current frame by using the reconstructed picture signal, to obtain address data on the change region, a display signal converter for converting the reconstructed picture signal into a display picture signal, a difference signal detector for detecting a difference signal indicating at least a difference between the previous frame and the current frame, a switch driver for selectively driving the switching elements to select the pixels corresponding to the change region in accordance with the address data, and a signal line driver for adding the difference signal and the d

Abstract: A liquid crystal display apparatus comprising a display panel having a plurality of pixels arranged in a matrix, signals lines for inputting a video signal to the plurality of pixels, and switching elements for selecting the pixels individually, a video decoder which decodes input compressed video data to obtain a reconstructed picture signal for each frame, a change region detector for detecting a change region between a previous frame and a current frame by using the reconstructed picture signal, to obtain address data on the change region, a display signal converter for converting the reconstructed picture signal into a display picture signal, a difference signal detector for detecting a difference signal indicating at least a difference between the previous frame and the current frame, a switch driver for selectively driving the switching elements to select the pixels corresponding to the change region in accordance with the address data, and a signal line driver for adding the difference signal and the d

Abstract: There is provided a field-sequential color displaying method capable of reducing color breakup with respect to an optional image without greatly increasing a sub-field frequency. The field-sequential color display method includes; time-sequentially displaying of luminous information of an input image information with every display color and changing the display color in synchronism with the displaying of the luminous information in order to display the input image information, wherein one frame period in which one color image is displayed includes at least four sub-field periods in which information of each color is displayed, and a picture signal displayed in at least one sub-field period is a non-three-primary color picture signal which is generated from at least two primary color signals of input picture signals including three-primary color signals.

Abstract: There is provided an image processing method capable of improving the picture quality. The image processing method comprises: incorporating input frame pictures to be displayed on a display device, on the basis of an input picture signal and an input synchronizing signal which is synchronized with the input picture signal; recording the incorporated input frame pictures in an input frame memory; and producing output frame pictures from input frame pictures, which have been recorded in the input frame memory, by producing an interpolated picture or inserting a black raster picture or thinning out the frame pictures, between input frame pictures corresponding to a picture information of the input frame picture to be displayed, on the basis of the picture information and the input synchronizing signal and an output synchronizing signal.

Abstract: A device receives differential data of delayed previous image data and present image data from a data transmitting section and supplies a signal corresponding to the present image data reconstructed on the basis of the differential data to a display panel section having a plurality of pixels arranged in a matrix. This device includes a holding circuit for holding image data reconstructed on the basis of the differential data received from the data transmitting section to delay the image data by a predetermined period, and an addition circuit for reconstructing the present image data by adding the previous image data delayed by the holding circuit to the differential data received from the data transmitting section.

Abstract: A liquid crystal display method to display an image according to an image signal, comprises changing a ratio of a display period and a non-display period of the image according to the image signal.

Abstract: A liquid crystal display apparatus includes a substrate, a plurality of scanning lines extending substantially in parallel with each other in a row direction on the substrate, a plurality of signal lines extending substantially in parallel with each other in a column direction on the substrate, a signal line driver for supplying a pixel signal of current variables to each of the plurality of signal lines, a scanning line driver for selectively supplying a scanning signal to the plurality of scanning lines, and a plurality of pixels arranged on the substrate at intersections of the plurality of scanning lines and the plurality of signal lines, each of the plurality of pixels including a converter for receiving the pixel signal of current variables, which is supplied to the signal line, and converting the pixel signal into a voltage signal, and a liquid crystal cell to which the converted voltage signal is applied.

Abstract: In a moving-film display device, each pixel includes a moving film electrode capable of bending and a counter electrode. The display color of each pixel is determined when the moving film electrode bends by a potential difference between the moving film electrode and the counter electrode. The moving film electrode is connected to a signal line via a TFT. The TFT is turned on/off by an address line. A controller keeps the TFT ON until the potential of the moving film electrode becomes substantially equal to a signal potential, and turns off the TFT before the moving film electrode comes closest to the counter electrode.

Abstract: A display device includes a light guiding fixed electrode portion formed of a transparent material for guiding light incident from an exterior to the surface portion having a transparent conductive layer and then emitting the light, a flexible conductive light shielding plate arranged to face the transparent conductive layer of the light guiding fixed electrode portion and having one end fixed to pass the emitted light therethrough, and an electrostatic force generating circuit for applying a potential difference between the conductive light shielding plate and the transparent conductive layer to generate electrostatic force between the transparent conductive layer and the conductive light shielding plate, wherein the conductive light shielding plate is displaced according to the electrostatic force with one end thereof set as an axis to shield the surface portion of the light guiding fixed electrode portion when the potential difference is applied between the conductive light shielding plate and the transpar

Abstract: The liquid crystal display device, comprising a first liquid crystal cell having first pixels arranged in a matrix shape, the first liquid crystal cell having a first sub-field and a second sub-field, a second liquid crystal cell having second pixels arranged in the matrix shape, the second liquid crystal cell being stacked with the first liquid crystal cell so as to form picture elements, and a circuit for selecting and driving the first pixels and the second pixels in each of the first sub-field and the second sub-field so that a difference between a brightness of the picture elements in the first sub-field and a brightness of the picture elements in the second sub-field is compensated.

Abstract: A liquid crystal display device includes a pair of substrates, on at least one of which pixels or scanning lines and switching elements for selecting desired pixels or scanning lines are arranged, a liquid crystal material sandwiched between the substrates, a driving means for driving a pixel group arrayed on each of selected scanning lines with the same polarity, and a polarity reversal means for compensating for flickers by reversing the polarity. In the display area, the scanning line selection order is arbitrarily determined, and the polarities are reversed on the basis of the determination result so as not to produce a bundle of scanning lines having the same polarity within one field.

Abstract: In a method for driving a liquid crystal display apparatus which includes liquid crystal having spontaneous polarization disposed between a plurality of pixel electrodes arranged in a matrix form and a common electrode disposed to face the pixel electrodes, the method for driving the liquid crystal display apparatus includes a polarity inversion of periodically inverting polarities of at least one part of voltages applied between the plurality of pixel electrodes and the common electrode, and a write-in operation of applying the voltages to the pixel electrodes to hold display voltages, respectively, corresponding to the applied voltages on the pixel electrode, wherein the polarity inversion is effected to satisfy the expression of TS/TF≧2 when a frame period is set to TF and a period for effecting the polarity inversion is set to TS.

Abstract: The liquid crystal display device has at least a liquid crystal panel, a signal line driver for driving signal lines in the liquid crystal panel, and a scanning line driver for driving scanning lines. To prevent waveform distortion due to a high output impedance of the signal line driver from causing adverse effects on a displayed image, a control means is provided which causes display signals to be written to pixel electrodes in the liquid crystal panel so as to avoid amplitude variation periods of the display signals. According to a preferred embodiment, the control means consists of a display signal delay circuit, a scanning signal delay circuit, and a display timing controller that control the signal line driver and the scanning line driver.

Abstract: A field emission display and display driving method, wherein the display includes a plurality of cathode lines arranged in a first direction in parallel; a plurality of gate lines arranged in a second direction in parallel, perpendicular to the first direction and isolated from the cathode lines; a field emission device at a cross point of one of the cathode lines and one of the gate lines, including an anode, an emitter connected to the one of the cathode lines, and a gate connected to the one of the gate lines; a scanning circuit configured to apply a scanning signal to one of the gate lines; and a modulating circuit configured to form a modulated signal synchronized with the scanning signal from an image signal having intensity information.

Abstract: An active matrix type liquid crystal display device wherein a correcting voltage having an absolute value larger than that of a feed-through voltage of the liquid crystal element is applied to a pixel electrode through a storage capacitor, when the liquid crystal has positive dielectric anisotropy and a positive voltage is applied to the pixel electrode, and when the liquid crystal has negative dielectric anisotropy and a negative voltage is applied to the pixel electrode. As the signal voltage value corrected through the storage capacitor can be changed depending on the signal voltage value of the previous field, a voltage to be applied to the liquid crystal can be corrected in advance to emphasize a change in a motion image.