Abstract: A pixel circuit and an organic light emitting display using the pixel circuit are disclosed. The pixel circuit compensates for variation of the threshold voltage of a driving transistor and for variation in the power supply to the pixel.

Abstract: A touch screen panel includes a transparent substrate, a plurality of first connection patterns on the transparent substrate, the plurality of first connection patterns being separated from one another, a plurality of first sensing cells electrically connected along a first direction to the first connection patterns, a plurality of second sensing cells disposed between the first sensing cells and insulated therefrom, the second sensing cells being connected along a second direction by second connection patterns intersecting the first connection patterns, an insulating layer between the first and second connection patterns, edges of the insulating layer being overlapped by the second connection patterns or the second sensing cells, and conductive auxiliary patterns at the edges of the insulating layer, the conductive auxiliary patterns being electrically connected to the second connection patterns and being positioned under the second connection patterns or the second sensing cells.

Abstract: In a data driving method for driving a display panel, a data driving circuit, and a display apparatus, the data driving method includes receiving a digital driving voltage and an analog driving voltage. The analog driving voltage is switched, after the digital driving voltage is received and a specific driving time elapses. A digital data signal is converted to an analog data signal using the analog driving voltage. The analog data signal is output to a data line of the display panel.

Abstract: A light-modulating or display apparatus employs electrowetting effect to controllably modulate, directly or indirectly, the shape or location of one or more measures of liquid. In one embodiment, at least one measure of liquid obstructs the passage of at least some portion of light passing onto, through or reflected off said apparatus, and thereby controllably modulating the angle of distribution, amplitude or intensity of light emitted or reflected by or passing through said apparatus. In another embodiment, light is propagating within a media due to the phenomenon of Total Internal Reflection, and one or more properties of light escaping from within said media through one or more adjacent measures of liquid is controllably modulated due to said change of shape or location of the measures of liquid.

Abstract: Driving a light scanner at a resonant frequency of the light scanner using a phase delay compensated driving signal.

Abstract: Embodiments of the present invention comprise systems, methods and devices for increasing the perceived brightness of an image. In some embodiments this increase compensates for a decrease in display light-source illumination.

Abstract: Provided are an apparatus and method for restricting A/V listening and viewing using parental levels. According to an embodiment of the present invention, a parental level detected from a video signal is compared with a level set by a user, and previously buffered video and audio are repeatedly output if the detected parental level is higher than the level set by the user. The parental level is included and transmitted in a video line of a broadcast signal. Also, the repeatedly output video is a still image or a moving image, and the repeatedly output audio is audio between two audio mute periods finally detected. Accordingly, there is no case when a user waits for nothing while viewing a black screen in a mute state, while a parental lock operation is performed.

Abstract: A liquid crystal display includes: a signal controller which converts a first image signal having a first gray level based on an original gamma coefficient into a second image signal having a second gray level based on a target gamma coefficient; a liquid crystal panel connected to the signal controller and which displays an image based on the second image signal; and a light-emitting unit connected to the signal controller and which provides light to the liquid crystal panel. The target gamma coefficient is less than or equal to the original gamma coefficient, and a luminance of the light provided by the light-emitting unit is adjusted by the signal controller to minimize an amount of luminance distortion of the image.

Abstract: A voltage generator includes a boosting circuit boosting a power voltage to generate first through fourth voltages, and a boosting controller controlling the boosting circuit. The boosting controller sets the third and fourth voltages to a voltage level lower than that of a ground voltage while the first and second voltages are generated, so that a plurality of voltages may be stably generated, i.e., without latch-up.

Abstract: An interactive input system comprises a bezel at least partially surrounding a region of interest. The bezel has a plurality of bands thereon with at least some adjacent bands having different optical properties. At least one imaging device looks into the region of interest and sees the at least one bezel so that acquired images comprise regions corresponding to the bands. Processing structure processes pixels of a plurality of the regions to detect the existence of a pointer in the region of interest.

Abstract: A display device includes a display unit, a horizontal drive circuit, and a vertical drive circuit, the display unit including pixels in a matrix formation, as well as respective signal lines and scan lines via which the drive circuits drive the pixels. Each pixel includes a light-emitting element, a hold capacitor, a write transistor, and a drive transistor. Mobility fluctuations in the drive transistor are compensated for by successively setting the voltage of the signal line to an intermediate voltage and to a tone voltage. In addition, the intermediate voltage is varied in accordance with the tone voltage as well as with the distance from the input terminal of a write signal to a respective pixel. The device thereby compensates for mobility fluctuations in the drive transistor and prevents shading due to irregularities in the waveform of the write signal.

Abstract: Embodiments of the present invention relate to a liquid crystal display and a driving method thereof. According to an embodiment, the liquid crystal display comprises a pixel electrode having a first subpixel electrode, a second subpixel electrode, and a third subpixel electrode electrically separated from each other. The liquid crystal display comprises a first thin film transistor connected to the first subpixel electrode, a second thin film transistor connected to the second subpixel electrode, a third thin film transistor connected to the third subpixel electrode, and a fourth thin film transistor connected to the second subpixel electrode and the third subpixel electrode. The liquid crystal display comprises a first gate line connected to the first to third thin film transistors, a second gate line connected to the fourth thin film transistor, a data line connected to the first and second thin film transistors, and a storage electrode line connected to the third thin film transistor.

Abstract: A display device includes a timing controller for generating a plurality of gate signals and a plurality of data signals associated with at least one image; and a plurality of display panels controlled by the timing controller for receiving the corresponding gate signals and data signals from the timing controller.

Abstract: An electrophoretic display unit is presented that comprises an electrophoretic display panel (1). A medium (5) having embedded therein a plurality of electrophoretic display elements (7) is controlled by a first and a second pixel electrode (22b, 6). In addition a sensor constructed to generate a signal (ST) indicative for a temperature of the display panel and a driver (15) for driving the display panel (1) is provided. The sensor (250) includes a resistance sensor constructed to detect a resistance of the medium (5) between a first (22c) and a second sensor electrode (6), and the driver is controllable according to the resistance detected by the resistance sensor.

Abstract: A scan driving circuit having a shift register unit with a plurality of stages, each stage includes an input terminal; an output terminal; first, second, and third clock terminals; a first transistor in communication with the input terminal and the second clock terminal, the first transistor configured to transfer the input signal according to a signal from the second clock terminal; a switch section in communication with the input terminal, the output terminal, and the first clock terminal, the switch section configured to receive the input signal from the first transistor and transfer a first exterior voltage signal to the output terminal according to the input signal and a signal from the first clock terminal; and a storage section configured to receive and store the input signal from the first transistor, and to transfer a signal from the third clock terminal to the output terminal according to the input signal.

Abstract: A display device including a display layer displaying a black or white color according to an applied voltage, a transparent and non-transparent electrode that are disposed to sandwich the display layer, and a TFT driving circuit capable of applying any given voltage between the pair of electrodes. Also provided is a connection destination switching switch capable of switching the connection destination of the entire transparent electrode to an earth terminal or a connector power source terminal of an external power source connector. With this configuration, a voltage can be applied between the pair of electrodes without using the TFT driving circuit. Accordingly, if the TFT driving circuit fails to operate due to trouble caused by the displaying of information which is not permitted to be shown to others, a voltage can be applied to the display layer so that the displayed information can be erased.

Abstract: A display device includes a display panel, a gate driving circuit, a data driving circuit, and a storage driving circuit. The storage driving circuit includes a plurality of stages to apply a plurality of storage voltages, which are inverted in every frame, to the storage lines, respectively. A kth stage of the stages includes a counter charging part, a boosting part and a holding part. The counter charging part applies a first driving voltage to a kth storage line based on a kth gate signal. The boosting part applies a second driving voltage to the kth storage line based on a (k+2)th gate signal. The holding part applies a storage voltage to the kth storage line based on a (k+1)th gate signal during one frame. The level of the storage voltage corresponds to the second driving voltage.

Abstract: In accordance with an embodiment of the invention, a control unit of the electro-optical device performs black data insertion processing for all the pixels in a vertical retrace period and each of the pixels includes a first subpixel and at least one second subpixel. Accordingly, blur of a motion picture is suppressed (a motion picture is improved in visual quality) by the black data insertion processing while using the minimum number of switching devices in the pixel unit.

Abstract: The liquid crystal display device inverts the polarity of the data signal once in the first one of n iterations (n is an integer of 2 or more) of the horizontal blanking period. Then, in each of the remaining n?1 iterations of the horizontal blanking period, the polarity of the data signal is inverted twice. A plurality of data lines are short-circuited together when inverting the polarity of the data signal, and a scan line is selected in a write period during which the data signal is applied to a picture element forming portion. Moreover, a scan line is selected in synchronism with a timing for short-circuiting the data lines before the once-selected scan line is selected again in a write period.

Abstract: A backlight unit includes: an array unit, wherein the array unit comprises an input terminal, a first output terminal and an array coupled to the input terminal and coupled to the first output terminal, the array including a plurality of light emitting diodes; a switching unit coupled to the input terminal and coupled to the array; and a comparison unit coupled to the first output terminal and coupled to a control unit and operable to compare a reference current with an output current of the first output terminal; wherein the control unit controls the switching unit.