Abstract: A light source device includes a light source module having a light-emitting block, an image analysis part, a duty ratio calculation part, a duty ratio determination part and a signal generation part. The image analysis part extracts representative luminance data of the light-emitting block based on pixel data. The duty ratio calculation part calculates duty ratio data of the light-emitting block based on the representative luminance data. The duty ratio determination part generates determined duty ratio data of the light-emitting block based on the duty ratio data from a first period, and the signal generation part generates a driving signal having a duty ratio corresponding to the determined duty ratio data to drive the light-emitting block.

Abstract: There is provided a display device including a voltage application device that performs, with respect to a display medium including, a pair of substrates, plural types of particle groups disposed between the pair of substrates, a first electrode, plural second electrodes, and a third electrode, in succession after a first process, a second process of application of voltages to the display medium to the first through third electrodes such that the first particle group that has passed through the aperture in the third electrode due to the first process moves towards a downstream substrate of the pair of substrates disposed on the downstream side in the passing direction of the first particle group through the aperture, and the second particle group that has not passed through the aperture of the third electrode due to the first process moves towards the substrate on the side facing the downstream substrate.

Abstract: A color sequential control method adapted to a field sequential color display is provided. The field sequential color display includes a display panel and a backlight module. The backlight module provides a backlight source to the display panel, wherein the backlight source includes a red backlight, a green backlight and a blue backlight. The color sequential control method includes following steps. First, a frame period of the display panel is sequentially divided into a first, a second and a third sub-frame periods. Next, a cyan backlight and the red backlight are provided in sequence during a first backlight period of the first sub-frame period. Then, a magenta backlight and the green backlight are provided in sequence during a second backlight period of the second sub-frame period. Finally, a yellow backlight and the blue backlight are provided in sequence during a third backlight period of the third sub-frame period.

Abstract: A liquid crystal display device where one display region of the liquid crystal display panel is divided into a first display region and a second display region along a border line in the direction in which scanning signal lines extend, a video signal line to which TFT elements of pixels in the first display region are connected and a video signal line to which TFT elements of pixels in the second display region are connected are electrically isolated from each other. Pixels having TFT elements connected to one of two adjacent video signal lines and pixels TFT elements connected to the other of the two adjacent video signal lines are alternate in a column of a number of pixels aligned in the direction in which the video signal lines extend in the first display region and the second display region.

Abstract: In a plasma display panel, a protective layer of a front plate is formed of a base protective layer and a particle layer. The base protective layer is a thin film of metal oxide containing at least one of magnesium oxide, strontium oxide, calcium oxide, and barium oxide. The particle layer is formed in a manner that single-crystal particles of magnesium oxide having a peak of emission intensity at 200-300 nm two times or higher than another peak of emission intensity at 300-550 nm in the emission spectrum in cathode luminescence emission are stuck on the base protective layer. A panel driving circuit drives the plasma display panel with a subfield structure in which subfields are temporally disposed so that a magnitude of luminance weight has a monotonous decrease from a subfield where an all-cell initializing operation is performed to a subfield where a next all-cell initializing operation is performed.

Abstract: Protective layer (26) of front plate (20) of a plasma display panel has base protective layer (26a) and particle layer (26b). Base protective layer (26a) is formed of a thin film of metal oxide containing at least one of magnesium oxide, strontium oxide, calcium oxide, and barium oxide. Particle layer (26b) is formed by sticking, to base protective layer (26a), single crystal particles (27) of magnesium oxide having an NaCl crystal structure that is surrounded by a specified two-type orientation face formed of (100) face and (111) face or a specified three-type orientation face formed of (100) face, (110) face, and (111) face. The panel driving circuit drives the panel while temporally disposing the subfields so that the luminance weight monotonically decreases from a subfield in which an all-cell initializing operation is performed to the subfield immediately before the subfield in which its next all-cell initializing operation is performed.

Abstract: A display apparatus is disclosed comprising a plurality of electrofluidic chromatophore (EFC) pixel cells, each pixel cell comprising a fluid holder for holding a polar fluid and a non-polar fluid having differing display properties. The fluid holder comprises a fluid reservoir and a channel. The channel is connected to the reservoir so as to enable movement of the polar fluid and non-polar fluid between the channel and the reservoir. A supply voltage applied to the channel results in a movement of the polar fluid to change a cell display property. A circuit board supplies an electrical charge to the pixel cells to generate the supply voltage. A display controller comprises a state lookup table storing, for a respective pixel cell, the current pixel cell display property. The display controller calculates the electrical charge as a function of the current pixel cell display property and the new pixel cell display property.

Abstract: A plasma display device has a crystal particle made of MgO single crystal where the cathode luminescence emission spectrum exhibits a desired characteristic, and displays an image by a driving method in the initializing period. The initializing period has the first half for applying the voltage, which gradually increases from a first voltage and to a second voltage, to a second electrode, and the latter half for applying the voltage, which gradually decreases from a third voltage and to a fourth voltage.

Abstract: In a plasma display device, a plurality of agglomerated particle groups in which a plurality of crystal particles made of a metal oxide agglomerate are disposed in the periphery of a protective layer thereof. The plasma display device is driven by the following driving method to display images. An initializing period has a first half of the initializing period in which a second electrode is applied with a voltage gradually rising from a first voltage to a second voltage, and a second half of the initializing period in which the second electrode is applied with a voltage gradually falling from a third voltage to a fourth voltage.

Abstract: There is provided a method of driving a backlight of a liquid crystal display device capable of eliminating leakage of light from adjacently-placed light emitting blocks. A gray level and maximum gray level of an input video signal are inputted for every light-emitting block. An output average gray level is calculated and a lighting control signal corresponding to converted luminance is outputted. The drivers responding to the lighting control signal makes LEDs (Light Emitting Diodes) emit light. An average gray level from an output from sensors is calculated. An average gray level, based on an average gray level and a light leakage rate, by taking light leakage into consideration. A gray level correcting signal is outputted in the light-emitting block based on the above output average gray level. An output average gray level is corrected in response to a gray level correcting signal.

Abstract: This invention offers a signal processing circuit of an electrostatic capacity type touch panel which is capable of switching between a differential input mode and a single input mode and has an extended adjustable range of an offset in the single input mode. The signal processing circuit of this invention includes a first sensor circuit of a differential input type, a second sensor circuit of a single input type, a third and fourth electrostatic capacitors that are variable capacitors for calibration to adjust the offset in an output voltage of the first sensor circuit, and a switching control circuit to control so as to put in operation one of the first and second sensor circuits. The switching control circuit also controls so that the third and fourth electrostatic capacitors for calibration are connected in parallel to each other when the second sensor circuit is put in operation.

Abstract: In an overdrive method, target level values of an entire frame are inputted and retained in a first frame memory. According to a combination of a target level value and a currently predicted level value, an overdrive value is obtained from a first data table and an expected predicted level value after a predetermined number of frames varying with temperature is obtained from a second data table, both tables being established depending on temperature. The expected predicted level values of an entire frame are retained in a second frame memory. The same target level value is repetitively provided for the first and the second data tables, and the same expected predicted level value is repetitively provided for the first and the second data tables as the currently predicted level value. According to the overdrive value, a driving voltage is applied to the LCD element.

Abstract: A liquid crystal display device and a method of driving the same are disclosed. The liquid crystal display device includes a liquid crystal display panel including data lines, gate lines crossing the data lines, and liquid crystal cells arranged in a matrix format at each of crossings of the data lines and the gate lines; a data drive circuit that converts digital video data into a positive/negative data voltage using gamma reference voltages to supply the positive/negative data voltage to the data lines; and a gamma voltage adjusting unit that increases a potential of each of the gamma reference voltages during a blanking period when a polarity of the positive/negative data voltage is inverted.

Abstract: In a plasma display panel, a protective layer of a front plate includes a base protective layer and a particle layer. The base protective layer is formed of a thin film containing magnesium oxide. The particle layer is formed by sticking, to base protective layer, agglomerated particles in which a plurality of single-crystal particles of magnesium oxide are agglomerated. A panel driving circuit drives the panel in a manner that subfields are temporally disposed so that a luminance weight is monotonically decreased from a subfield in which an all-cell initializing operation is performed to a subfield immediately preceding a subfield in which a next all-cell initializing operation is performed.

Abstract: An OLED device is disclosed. The OLED device disposes a voltage divider and a switch unit in the output stage of a power supplier, thereby lowering the level of a supply voltage VDD, which is applied to a driver IC in an emission interval, below that of the supply voltage which is applied to the driver IC in a non-emission interval. Accordingly, the OLED device can reduce electric power consumption.

Abstract: A liquid crystal display and a driving method thereof are provided. The liquid crystal includes a liquid crystal display panel, a data driving circuit, a gate driving circuit, a timing controller, and an over-driving controller. The over-driving controller, if a difference between input data input during a (N)th frame period (N is a positive integer) and (N?1)th frame data read from a memory is more than 2 gray levels, modulates the data at an over/under shoot ratio of 20 to 80% and supplies the modulated data to the timing controller, if the difference is less than 2 gray levels, differently supplies the input data to the timing controller and converts the least significant bit of the data stored in the memory according to whether or not the data is modulated.

Abstract: A plasma display apparatus is disclosed. The plasma display apparatus a plasma display panel including a front substrate on which a scan electrode and a sustain electrode are positioned parallel to each other, a rear substrate on which an address electrode is positioned to cross the scan electrode and the sustain electrode, and a barrier rib that is positioned between the front substrate and the rear substrate to partition a discharge cell and a driver supplying a sustain signal to the scan electrode and the sustain electrode in a sustain period of at least one of a plurality of subfields of a frame. A sustain signal supplied to the scan electrode overlaps a sustain signal supplied to the sustain electrode in the sustain period. The address electrode is electrically floated in the sustain period.

Abstract: A method of driving a plasma display device having a first electrode and a second electrode adjacent to one another in a discharge cell, including applying a first waveform at least once to the first electrode, the first waveform including a gradual increase from a first voltage to a second voltage followed by a gradual decrease from a third voltage to a fourth voltage, and applying a second waveform at least once to the first electrode after the first waveform is applied to the first electrode, the second waveform including a gradual increase from a fifth voltage to a sixth voltage followed by a gradual decrease from a seventh voltage to an eighth voltage. The first and second waveforms may be applied to the first electrode after turning on the plasma display device and before a display operation is performed.

Abstract: In a driving method of a panel, one field period is formed by arranging a plurality of subfields that have an address period for selectively causing address discharge in a discharge cell, and a sustain period for causing as many sustain discharges as the number corresponding to luminance weight in the discharge cell. One field period is formed by arranging a plurality of subfield groups having a plurality of subfields whose luminance weights monotonically increase. In the discharge cell for causing address discharge in a certain subfield other than the head subfield in each subfield group, address discharge is caused even in the head subfield.

Abstract: In a driving method of a panel, one field period is formed by arranging a plurality of subfields that have an initializing period for causing initializing discharge in a discharge cell, an address period for selectively causing address discharge in the discharge cell, and a sustain period for causing as many sustain discharges as the number corresponding to luminance weight in the discharge cell. One field period is formed by arranging a plurality of subfield groups having a plurality of subfields whose luminance weights monotonically increase. A holding period when discharge is not caused is disposed before the head subfield belonging to at least one subfield group of the plurality of subfield groups. In the initializing period of the head subfield belonging to at least one subfield group, an initializing operation of causing initializing discharge is performed in the discharge cell where the sustain discharge has been performed in the sustain period of the immediately preceding subfield.