Patent application number | Description | Published |
20100118062 | DISPLAY DEVICE, METHOD OF DRIVING DISPLAY DEVICE, AND COMPUTER PROGRAM - There is provided a display device including a display unit having pixels, each of which includes a luminescence element for individually emitting light depending on a current amount and a pixel circuit for controlling a current applied to the luminescence element according to a picture signal, scan lines which supply a selection signal for selecting the pixels to emit light to the pixels in a predetermined scanning cycle, and data lines which supply the picture signal to the pixels, the pixels, the scan lines, and the data lines arranged in a matrix pattern, the display device including: a luminescence amount detector for inputting a picture signal with a linear characteristic to detect a luminescence amount from the picture signal; a luminescence time calculator for calculating a luminescence time for the luminescence element based on the luminescence amount detected by the luminescence amount detector; a luminescence time recorder for recording the calculated luminescence time; a luminance acquirer for acquiring luminance information of the luminescence element by use of the luminescence time recorded in the luminescence time recorder; a coefficient calculator for calculating a coefficient by which the picture signal is multiplied, based on the luminance information acquired by the luminance acquirer; and a coefficient multiplier for multiplying the picture signal by the coefficient calculated by the coefficient calculator. | 05-13-2010 |
20100134535 | DISPLAY DEVICE, DISPLAY DEVICE DRIVE METHOD, AND COMPUTER PROGRAM - A display device is provided which includes: a still image detection unit ( | 06-03-2010 |
20100165009 | DISPLAY DEVICE, DISPLAY DEVICE DRIVE METHOD, AND COMPUTER PROGRAM - A display device is provided that includes an amount of light emission computation portion that computes an amount of light emission based on a video signal that has a linear characteristic, an amount of light emission parameter computation portion that, based on the computed amount of light emission, computes an amount of light emission parameter that corresponds to the amount of light emission for each of one of one pixel and a group of pixels that includes a plurality of the pixels, an amount of light emission parameter accumulation portion that accumulates the amount of light emission parameters in association with the one of the one pixel and the group of pixels, a peak detection portion that detects a peak value among the accumulated amount of light emission parameters that correspond to all of the one of the one pixel and the group of pixels, a coefficient computation portion that, based on the detected peak value, computes a coefficient that adjusts a luminance, and a coefficient multiplying portion that multiplies the video signal by the computed coefficient and outputs the multiplied video signal. | 07-01-2010 |
20100315444 | SELF-LIGHT- EMITTING DISPLAY DEVICE, POWER CONSUMPTION REDUCTION METHOD, AND PROGRAM - A self-light-emitting display device includes: a video analyzing section configured to extract a feature portion of video data based on a video signal of the video data to be displayed on an active matrix driven type self-light-emitting display module; a luminance distribution generating section configured to generate, based on the feature portion, a luminance distribution for a region of the feature portion to be displayed on the self-light-emitting display module so that the display brightness of the video data becomes reduced as the distance becomes farther from an arbitrary reference position within the region of the feature portion; and an image combining section configured to combine the luminance distribution with the video signal of the video data to modify the brightness of the video data. | 12-16-2010 |
20110007101 | SELF LIGHT EMITTING DISPLAY DEVICE AND METHOD FOR DRIVING SELF LIGHT EMITTING DISPLAY DEVICE - A self light emitting display device is provided which includes a panel driver which changes a maximum voltage supplied to the self light emitting display panel according to the necessary maximum brightness, a storage unit which holds data related to a reverse gamma characteristic that is opposite to a gamma characteristic between an amount of light emitted from the self light emitting display panel and a voltage supplied from the panel driver to the self light emitting display panel, and a panel gamma generation unit which generates an output signal based on the reverse gamma characteristic by changing an applicable range of the reverse gamma characteristic according to the necessary maximum brightness while maintaining the same gradations as those when the self light emitting display panel emits light at a displayable maximum brightness. The panel driver drives the self light emitting display panel based on the output signal. | 01-13-2011 |
20110050666 | DISPLAY DEVICE, PICTURE SIGNAL PROCESSING METHOD, AND PROGRAM - There is provided a display device including a display unit having pixels, each of which includes a luminescence element that individually becomes luminous depending on a current amount and a pixel circuit for controlling a current applied to the luminescence element according to a voltage signal, where the pixels are arranged in a matrix pattern. The display device includes an average luminance calculator ( | 03-03-2011 |
20110141149 | DISPLAY DEVICE, METHOD FOR CORRECTING UNEVEN LIGHT EMISSION AND COMPUTER PROGRAM - A display device is provided that includes: an unevenness correction information storage unit that stores unevenness correction information used to correct uneven light emission of the display unit; and an unevenness correction unit that corrects uneven light emission of the display unit by reading out the unevenness correction information from the unevenness correction information storage unit and by performing signal processing on the video signal having a linear characteristic. The unevenness correction unit corrects the uneven light emission of the display unit by combining a first correction that is applied in a horizontal direction or a vertical direction of the display unit, and a second correction that is applied to a section of the display unit in which uneven light emission is occurring. | 06-16-2011 |
20110205442 | DISPLAY DEVICE, BRIGHTNESS ADJUSTMENT DEVICE, BACKLIGHT DEVICE, METHOD OF ADJUSTING BRIGHTNESS, AND PROGRAM - Provided is a display device including a current-brightness table calculation unit ( | 08-25-2011 |
20110216084 | DISPLAY DEVICE, METHOD OF DRIVING DISPLAY DEVICE, AND PROGRAM - Provided is a display device including a panel ( | 09-08-2011 |
20110227966 | DISPLAY DEVICE, BRIGHTNESS ADJUSTMENT DEVICE, METHOD OF ADJUSTING BRIGHTNESS, AND PROGRAM - Provided is a display device including a setting condition acquisition unit for obtaining various conditions for adjusting a gain of a video-signal, a current-brightness table calculation unit that calculates a table representing a relationship between an average brightness and a gain of a video-signal, and that calculates the table capable of setting a peak-brightness and power consumption of the video-signal independently, based on the various conditions acquired by the setting condition acquisition unit, a video-average brightness conversion block that calculates average-brightness of the video-signal input for each frame, a current-brightness control table that calculates a gain of the video-signal from the table based on the average-brightness calculated above, a video gain block that adjusts the video-signal using the gain calculated above, and a display panel that includes a plurality of pixels that emit light in response to a video-signal and displays a video based on the video-signal adjusted above. | 09-22-2011 |
20110298818 | DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - Provided is a display device including a video signal analysis block ( | 12-08-2011 |
20120002106 | IMAGE DISPLAY DEVICE, IMAGE DISPLAY METHOD, AND PROGRAM - Provided is an image display device including a high frame rate signal generating unit ( | 01-05-2012 |
20120033042 | IMAGE DISPLAY DEVICE, IMAGE DISPLAY OBSERVING SYSTEM, IMAGE DISPLAY METHOD, AND PROGRAM - Provided is an image display device including a high frame rate signal generating unit that increases a frame rate of an input video signal, a frame rate adjusting unit that adjusts a frame rate by synthesizing a black image at intervals of a predetermined frame on a high frame rate signal output from the high frame rate signal generating unit, and a display panel that displays a video based on a video signal output from the frame rate adjusting unit. | 02-09-2012 |
20120169700 | DISPLAY DEVICE, NONUNIFORMITY COMPENSATION METHOD AND COMPUTER PROGRAM - Provided is a display device including a display unit wherein a pixel having a pixel circuit for controlling current to be applied to emitting elements depending on the emitting elements that spontaneously emits depending on current volume, and a video signal, the scanning line that supplies the pixel with a selection signal which chooses a pixel to emit in a predetermined scanning period, a data line that supplies the pixel with the video signal are configured to be arranged in matrix, a first nonuniformity compensation unit that compensates emission unevenness to the video signal with linear characteristics, and a second nonuniformity compensation unit that compensates emission unevenness under a predetermined area to the video signal with gamma characteristics. | 07-05-2012 |
20130242196 | DISPLAY DEVICE, METHOD OF DRIVING DISPLAY DEVICE, AND PROGRAM - Provided is a display device including a panel ( | 09-19-2013 |
20130271509 | DISPLAY DEVICE, PICTURE SIGNAL PROCESSING METHOD, AND PROGRAM - There is provided a display device including a display unit having pixels, each of which includes a luminescence element that individually becomes luminous depending on a current amount and a pixel circuit for controlling a current applied to the luminescence element according to a voltage signal, where the pixels are arranged in a matrix pattern. The display device includes an average luminance calculator ( | 10-17-2013 |
20140132590 | DISPLAY DEVICE, PICTURE SIGNAL PROCESSING METHOD, AND PROGRAM - There is provided a display device including a display unit having pixels, each of which includes a luminescence element that individually becomes luminous depending on a current amount and a pixel circuit for controlling a current applied to the luminescence element according to a voltage signal, where the pixels are arranged in a matrix pattern. The display device includes an average luminance calculator ( | 05-15-2014 |
20140232935 | IMAGE DISPLAY DEVICE, IMAGE DISPLAY METHOD, AND PROGRAM - An electronic device that generates a high frame rate video signal by increasing a frame rate of an input video signal; sets a non-emission frame at a predetermined cycle on the high frame rate video signal; extends an emission time of a frame directly before the frame set to non-emission into less than a full length of a field of the frame set to non-emission; and controls a display panel to display a video based on the setting and the extending | 08-21-2014 |
20140307170 | DISPLAY DEVICE, BRIGHTNESS ADJUSTMENT DEVICE, METHOD OF ADJUSTING BRIGHTNESS, AND PROGRAM - Provided is a display device including a setting condition acquisition unit for obtaining various conditions for adjusting a gain of a video-signal, a current-brightness table calculation unit that calculates a table representing a relationship between an average brightness and a gain of a video-signal, and that calculates the table capable of setting a peak-brightness and power consumption of the video-signal independently, based on the various conditions acquired by the setting condition acquisition unit, a video-average brightness conversion block that calculates average- brightness of the video-signal input for each frame, a current-brightness control table that calculates a gain of the video-signal from the table based on the average-brightness calculated above, a video gain block that adjusts the video-signal using the gain calculated above, and a display panel that includes a plurality of pixels that emit light in response to a video-signal and displays a video based on the video-signal adjusted above. | 10-16-2014 |