Abstract: A display control device includes a first interface unit that receives display information of a first display method that includes image data and a control information setting unit that sets control information used for controlling display of an image in the display unit in accordance with setting information that specifies a display method. The display control device further includes an image data conversion unit that converts, if a second display method is specified by the setting information, the image data of the first display method type to image data of the second display method type in accordance with the control information. The display control device also includes a second interface unit that outputs the image data of the first or the second display method type in accordance with the setting information, and outputs signals for controlling the display unit in accordance with the control information.

Abstract: An active level shift (ALS) driver circuit and a liquid crystal display apparatus including the ALS driver circuit are disclosed. The ALS driver circuit includes an input unit configured to apply a first polarity voltage to a first node and to apply a second polarity voltage to a second node, a level compensation unit configured to adjust the voltages of the first node and the second node, and an output unit configured to alternately output a first power voltage and a second power voltage according to the adjusted voltages of the first and second nodes.

Abstract: A display driver that receives display line data of plural display lines to perform drive control on a display panel includes a line memory for storing display line data which is supplied from the outside. The display driver includes a logic circuit that controls write and read-out of the display line data in and from the line memory, and sorts pixel data of the display line data using read out data from the line memory, to generate display drive data. Drive circuits drive the display panel in units of display lines based on the drive data which is output from the logic circuit. The drive circuits are separately arranged on both sides of the logic circuit and the line memory which are interposed therebetween. The storage capacity of the line memory corresponds to the number of lines smaller than the number of display lines of a display frame.

Abstract: A display device Includes a control board including a timing controller (TCON) for controlling driving of the display device, and further including a driving memory for storing driving data for driving the display device, and a source board coupled to the control board by a connection cable, the source board including a driving integrated circuit (IC) for outputting a data signal, and further including a panel memory for storing panel characteristic data for compensating for the data signal.

Abstract: Method and apparatus for a display bridge with support for multiple display interfaces are disclosed. The novel display bridge comprises a predriver configured to provide data input signals. A shared output driver is configured to receive the data input signals and provide output display signals compatible for driving MIPI-DSI, EDP, or LVDS displays. A regulator and current source is coupled to the shared output driver configured to regulate the shared output driver operating voltage and provide a current source for the shared output driver. A shared termination output coupled to the shared output driver is configured to provide termination resistance for the output display signals and termination voltage for the termination resistance.

Abstract: A method and system for restoring output to a display device. The method includes receiving a request to restore the output, modifying output timing so output is visible on a display device, and invoking an output configuration application. The method and system allow a user to restore the output on a display device after the output has been configured to settings which exceed the capabilities of the display device.

Abstract: In order to supply a low-level potential VSS from a trunk line for the low-level potential VSS to each stage of a shift register, a branch line and an auxiliary line are provided for every plurality of stages of the shift register, and the auxiliary lines are connected to the respective branch lines and the plurality of stages of the shift register. It is also possible to provide an auxiliary line having substantially the same length as the trunk line and to connect all of the branch lines and all of the stages in the shift register to this auxiliary line. A high-level potential VDD may also be supplied using the same method. Consequently, a scanning-signal-line driving circuit is provided in which the frame area and power consumption of a display panel can be reduced when formed on the display panel as an integral unit.

Abstract: A method, system and computer program product for driving a display device by a display system is provided. The display system includes a processor, a first display controller, a second display controller and the display device. The first display controller receives display frames that are sent by the processor. The first display controller drives the display device when the processor sends new display frames. When the same display frames are continually sent by the processor, the control of the display device is switched to the second display controller, which is optimized for low-power operation. The control of the display device is switched in proximity to an input vertical synchronization (V-sync) pulse.

Abstract: A video processing circuit for a liquid crystal panel is disclosed. The video processing circuit includes: a risk boundary detecting unit configured to detect a risk boundary that is a portion of boundaries each between a first pixel whose applied voltage that is specified by an input video signal is below a first voltage and a second pixel whose applied voltage exceeds a second voltage higher than the first voltage, the risk boundary being determined by a tilt azimuth of the liquid crystal; an identification unit configured to identify a first pixel that is surrounded by the risk boundary at least two edges, in first pixels adjacent to the boundaries; and a replacement unit configured to replace, a voltage to be applied to a liquid crystal element corresponding to the first pixel, the voltage being specified by the input video signal, with a predetermined third voltage.

Abstract: A liquid crystal display has touch a sensing layer disposed above an image forming part.

Abstract: The invention provides an image display device capable of reducing the transmission delay of a scanning signal. A plurality of scanning signal lines are wired in one pixel circuit row. Pixel circuits of the pixel circuit row are connected to any of the plurality of scanning signal lines.

Abstract: A mobile terminal including a wireless communication unit configured to wirelessly communicate with at least one other terminal; a flexible display unit configured to be bent in response to an applied physical force and to display information; a detection unit configured to detect a bending of the flexible display unit and a time for which the bending is maintained; and a control unit configured to execute different functions of the mobile terminal according to the time for which the bending is maintained.

Abstract: Disclosed is a display device. The display device includes first and second substrates, a plurality of gate lines and data lines, a connection line, a signal line, and a first bridge. The first and second substrates face each other. The gate lines and data lines are formed on the first substrate to define a plurality of pixels by an intersection therebetween. The connection line is formed on the first substrate to be electrically connected to the gate line. The signal line is formed on the second substrate for supplying a signal to the gate line. The first bridge is formed on the second substrate for electrically connecting the signal line and the connection line.

Abstract: A direct-current-to-direct-current (“DC-DC”) converter includes an inductor to which an input voltage is applied, a diode connected to the inductor, a switching element connected between the inductor and the diode, a capacitor group disposed adjacent to the diode and comprising one or more capacitors, and an output voltage pattern connected to the diode and the capacitor group and which outputs an output voltage, where the capacitor group covers a first side of the output voltage pattern and a second side of the output voltage pattern opposite to the first side of the output voltage pattern.

Abstract: Disclosed is an image display device and its driving method, which facilitates to improve partial luminance in an image-display area by a local dimming method to partially control a backlight unit according to a display image, and simultaneously to reduce power consumption.

Abstract: A display device includes a display panel, a driving circuit, and a connection terminal. The display panel includes a display area and a non-display area surrounding the display area and an electrode terminal disposed in the non-display area and extended in a direction. The driving circuit includes a signal terminal extended in the same direction as the electrode terminal and disposed adjacent to the electrode terminal. The connection terminal is disposed on the electrode terminal and the signal terminal to electrically connect the electrode terminal and the signal terminal.

Abstract: A display device includes a display panel including a plurality of pixels, a data driver which transmits data voltages to the plurality of pixels, and a signal controller which receives an input image signal and an input control signal to control the data driver, where the signal controller calculates a ratio of a first type of pattern in a image based on the input image signal, generates a polarity signal based on the ratio of the first type of pattern, and transmits the polarity signal to the data driver.

Abstract: A multi-primary color display device includes a unit pixel part, a plurality of data lines, a plurality of pads and a plurality of connection lines. The unit pixel part is disposed on a display area and includes at least four subpixels. The data lines extend in a first direction on display area, and are electrically connected to the subpixels. The pads are arranged in a second direction perpendicular to the first direction on a peripheral area surrounding the display area, and are electrically connected to a driving chip. The connection lines connect the data lines to the pads disposed on the peripheral area. Each of the connection lines has a same line resistance.

Abstract: A display panel includes a plurality of first driving switches installed at a first side of the display panel, a plurality of second switches installed at a second side of the display panel, a plurality of first data lines, a plurality of second data lines, a plurality of scan lines, and a plurality of pixels. Each of the first driving switches includes a first input end and a plurality of first output ends. Each of the second driving switches includes a second input end and a plurality of second output ends. The first data lines are electrically connected to the first output ends. The second data lines are electrically connected to the second output ends. The plurality of pixels are electrically connected to the plurality of first data lines, second data lines and scan lines for displaying images. The first data lines and the second data lines are arranged interlacedly.

Abstract: A display device with an integrated touch screen and a method of driving the same are provided. The display device with an integrated touch screen includes a gate driver that is configured with a plurality of stages that include a pull-up transistor and first and second pull-down transistors and are respectively connected to a plurality of gate lines. The method includes: turning on the pull-up transistor to output a pull-up signal to each of the plurality of gate lines and, after the pull-up signal is outputted, turning on the first pull-down transistor to output a pull-down signal to each of the plurality of gate lines, during an image output period in each frame; and turning on the second pull-down transistor to output the pull-down signal to each of the plurality of gate lines, during a touch sensing period in each frame.

Abstract: A display device including various portions, circuits and other arrangements for outputting various pulses and triggers, for controlling forward shift and backward shift operations.

Abstract: A gate output control method is adapted into a flat display having a plurality of gate drive integrated circuits. The method comprises: providing a gate control signal; providing a oblique control signal to oblique modulate the gate control signal for generating a gate control signal with oblique; modulating the gate control signal with oblique to obtain a modulated gate control signal; and outputting the modulated gate control signal to the gate drive integrated circuits. A falling edge of the modulated gate control signal comprises a oblique-varying period and a vertical-varying period. In the oblique-varying period, the modulated gate control signal firstly changes to a predetermined voltage in a first slope, and then changes in a second slope until the vertical-varying period. In the vertical-varying period, the modulated gate control signal changes vertically or nearly vertically.

Abstract: A shift register includes cascade-connected stages, each of which includes a data latch and an output stage. In at least one embodiment, the latch has a single data input which, in use, receives a date signal from a preceding or succeeding stage. The output stage includes a first switch, which passes a clock signal to the stage output when the output stage is activated by the latch. The output stage also comprises a second switch, which passes the lower supply voltage to the stage output when the output stage is inactive.

Abstract: A pixel circuitry of a display device and a display method thereof are provided herein. The pixel circuitry includes a scan switch, a storage element, and a sampling circuitry. The scan switch has a first terminal coupled to a data line and configured to be asserted according to a scan signal. The storage element is coupled to a second terminal of the scan switch and configured to store a pixel voltage from the data line. The sampling circuitry is configured to sample the stored pixel voltage of the storage element and to obtain a reference voltage for the display device according to the sampled signal. By sampling the stored pixel voltage of the storage element, whether the pixel voltages with different polarities are symmetry can be detected for avoiding flickers.

Abstract: An integrated circuit includes a digital-to-analog converter (DAC) circuit including at least one first channel type DAC and at least one second channel type DAC. The integrated circuit includes a plurality of sample and hold (S/H) circuits. Each of the S/H circuits is coupled with the DAC circuit. The S/H circuits are capable of receiving signals from the DAC circuit and outputting the signals in parallel.

Abstract: A monolithic gate driver capable of operating with a relatively small number of circuit elements is realized. A stage constituent circuit constituting each stage of a shift register includes two output terminals connected to scanning signal lines, two thin-film transistors each having a drain terminal to which an output control clock signal is supplied and a source terminal connected to the output terminal, a first-node connected to the two thin-film transistors in common, a first-node control circuit, and an input terminal for receiving a set signal. In this configuration, the first-node changes from an OFF level to an ON level based on the set signal. Further, the first-node control circuit changes the first-node from the ON level to the OFF level.

Abstract: A display device includes a display panel including a gate line and a data line, a gate driver that outputs a gate voltage to the gate line according to a gate output enable signal, a data driver that outputs a data voltage to the data line, a detecting circuit that detects a state of a clock signal. The state of the clock signal includes a normal or abnormal state. A masking circuit performs a masking operation for the gate output enable signal according to the state of the clock signal and a level of a reset signal, where the level of the reset signal includes a first or second level corresponding to a power-on or off of the display device, respectively.

Abstract: Disclosed herein is an adjustable viewing angle display device. The display device includes a display panel composed of a first substrate, a second substrate, a display medium layer interposed therebetween, a first electrode, a second electrode and a third electrode. Pluralities of sub-pixels are defined in the display panel. The first and second electrodes are disposed on the first substrate in the sub-pixels. The first electrode is spaced apart from the second electrode. The third electrode is disposed on the second substrate. When the display device is operated in a narrow viewing angle mode, there exists a non-zero potential difference between the second electrode and the third electrode, and when the sub-pixel is at gray level of zero, the potential difference between the first electrode and the second electrode is not zero. A driving method for driving the display device is disclosed as well.

Abstract: A display device includes: a display panel including a gate line, a data line and a pixel connected to the gate line and the data line; a data driver connected to the data line; a gate driver connected to the gate line; a direct current-to-direct current (“DC-DC”) unit which transfers a gate-on voltage or a gate-off voltage to the gate driver; a signal controller which controls the data driver, the gate driver and the DC-DC unit; and a sensing unit, in which the DC-DC unit generates a power voltage based on a control signal of the signal controller, and the sensing unit includes a measuring unit which senses a sensing signal based on a power voltage signal applied to the data driver, and a reset signal generator which generates a reset signal based on the sensing signal.

Abstract: A novel driving method is provided in which source line inverting drive or dot inverting drive is performed for a case of driving a plurality of source lines by one D/A converter circuit in a source signal line driver circuit of an active matrix image display drive that corresponds to digital image signal input. In a first driving method of the present invention, two systems of grey-scale electric power supply lines are supplied to a source signal line driver circuit in order to obtain output having differing polarities from a D/A converter circuit, switches for connecting to the two systems of grey-scale electric power supply lines are prepared in each D/A converter circuit, the grey-scale electric power supply lines connected to each D/A converter circuit are switched in accordance with a control signal input to the switches, and source line inverting drive or dot inverting drive are performed.

Abstract: A signal transmission apparatus including electrostatic discharge protection circuits arranged between a signal line and a wiring line of plural pixel wiring lines, each having a first transistor and a capacitor device; and a first control line connected to the electrostatic discharge protection circuits, wherein, in the electrostatic discharge protection circuit, a gate of the first transistor is connected to the first control line, one of a source and a drain in the first transistor is connected to one signal line and one terminal of the capacitor device as well as the other is connected to another wiring line, and the other terminal of the capacitor device is connected to the gate of the first transistor.

Abstract: The present disclosure is directed to systems and methods for determining sheet resistance values in a liquid crystal display (LCD) panel. In certain embodiments, a system for determining sheet resistance values in an LCD panel may include a display driver integrated circuit (IC). The display driver IC may include a first switch coupled to a first input/output (I/O) pad and a second I/O pad such that the first I/O pad is configured to couple to a voltage source and the second I/O pad is configured to couple to a current source. The display driver IC may also include a second switch coupled to a third I/O pad and the second I/O pad such that the second switch has substantially the same geometry as the first switch and the third I/O pad is configured to couple to a thin-film transistor (TFT) layer of the display panel.

Abstract: Methods of driving source lines and/or circuits/systems for driving source lines are provided. Source lines of a display device are driven by comparing first data for driving a first buffer associated with a first source line of the display device and second data for driving a second buffer associated with a second source line of the display device and selectively disabling the second buffer and driving the second source line of the display device with the first buffer based on the comparison of the first and second data.

Abstract: A display device includes a common electrode receiving a common voltage, a display media layer, and a substrate. The substrate defines a display area and a border area surrounding the display area. The display area includes a plurality of pixel electrodes and a plurality of signal lines. The pixel electrodes receive data voltages. The media layer displays images based on the data voltages and the common voltage. The signal lines transmit signals. The border area includes a common electrode line and at least one electrostatic discharge component. The common electrode line is connected to the common electrode and transmits the common voltage to the common electrode. Each electrostatic discharge component is connected between a signal line and the common electrode line.

Abstract: A driver circuit and a liquid crystal display panel for reducing IC malfunction are provided. The driver circuit includes a source driver IC, a gate driver IC, and a wire on array, wherein the source driver IC and the gate driver IC connects through the wire on array. The source driver IC provides a signal to the gate driver IC through the wire on array. The driver circuit further includes a negative feedback module electrically connected with the wire on array to be configured to keep the wire on array voltage constant. This invention also provides a liquid crystal display panel using the driver circuit. Through the above method of this invention the driver circuit and a liquid crystal display panel for reducing IC malfunction can avoid the gate driver IC to generate the malfunction caused by the voltage fluctuation of the array and improve the display quality of the liquid crystal display panel.

Abstract: A ubiquitously mountable image display system includes a shape-reconfigurable display screen component to which is attached a plurality of circuit modules each having at least one light source. The shape-reconfigurable display screen component is formed of a material that accommodates flexing of the display screen component without creating a perceivable aberration in separation distance between two or more picture elements of an image that is rendered upon a viewing plane of the display screen component when light from the plurality of light sources is directed towards the viewing plane.

Abstract: The liquid crystal display of the present invention lowers the power consumption and heat generation of the data driving circuit by controlling the polarity of a data voltage by divided block-type column inversion to maintain the polarity of the data voltage within one block, and prevents picture quality degradation by inverting the polarity of a data voltage between neighboring blocks.

Abstract: The present invention relates to a pixel information management apparatus that is capable of efficiently storing information on defective pixels of imaging pixels and information on evaluation pixels in the same format. Pixel information having a region that contains information indicating whether the pixel is a defective pixel of the imaging pixels or an evaluation pixel, a region that contains information that depends on whether the pixel is a defective pixel of the imaging pixels or an evaluation pixel, and a region that contains information for specifying a position of the pixel is stored, and a relative distance from another defective pixel of the imaging pixels or another evaluation pixel is stored as the information for specifying the pixel position, the relative distance being a distance that conforms to a predetermined pixel scan rule.

Abstract: Disclosed is a device for controlling a mouse pointer, providing a display unit; an image photographing unit for photographing images of a first object and a second object; and a controller for setting a point between the first object and the second object detected from the photographed images as a position of a mouse pointer on the display unit, and when a distance between the first object and the second object is less than a predetermined distance, determining that a user selection instruction for the point has been input. The device detects movement of fingers using differential images according to the movement of the fingers, so that even when a continuously changing surrounding lighting or a user face having the similar color with the finger is included in a background, it is possible to accurately identify the movement of the fingers.

Abstract: To reduce power consumption of a display device with the use of a simple structure and a simple operation. The display device includes an input device. Input of an image signal to a driver circuit is controlled in accordance with an image operation signal output from the input device. Specifically, input of image signals at the time when the input device is not operated is less frequent than that at the time when the input device is operated. Accordingly, display degradation (deterioration of display quality) caused when the display device is used can be prevented and power consumed when the display device is not used can be reduced.

Abstract: A display panel driving apparatus, including a gate driving part configured to output a gate signal to gate lines of a display panel, and a data driving part configured to output a data signal to a data line of the display panel, including a digital-analog converter, wherein the digital-analog converter is configured to convert a common voltage control data of digital format to a common voltage control voltage of analog format.

Abstract: A system and method are disclosed to utilize Gray code in order to reduce the power consumption of column drivers in a display system. Binary source data is received from a timing controller. A Gray code digitizer converts and encodes the binary source data into a binary portion of data and a Gray code data. The binary portion data and the Gray code data are transmitted through a shift register to a digital-to-analog converter. The shift register consumes less power processing the converted binary portion of data and Gray code data than the corresponding binary source data. The digital-to-analog converter decodes the Gray code and generates corresponding gamma voltage levels for display use.

Abstract: A display panel having a repairing structure has a display region and a periphery circuit region surrounding the display region. At least one scan line, at least one first connection line and a gate driver are positioned on the periphery circuit region. The gate driver is configured to output a gate signal to the scan line via the connection line. The repairing structure comprises a first repairing wire and a driving chip positioned on the periphery circuit region. The driving chip is located at one end of the first repairing wire. The driving chip is configured to output a repairing gate signal to the connection line via the first repairing wire when the gate signal provide to the scan line from the gate driver is abnormal.

Abstract: The present invention ensures the visibility of a character or a drawing displayed on a screen. The illuminance of one or more partial areas forming a display unit is measured, and a video display position is set to an area except for the partial area where the illuminance is a reference value or more.

Abstract: A display substrate includes a base substrate, a first insulating layer formed on a base substrate, a pixel including a pixel electrode having the first insulating layer, and a circuit including a circuit transistor disposed on a peripheral area to drive the pixel. The pixel includes a first channel formed on the base substrate having the first insulating layer formed thereon. The first channel includes a poly-silicon layer, a first source electrode and a first drain electrode formed on the first channel that are spaced apart from each other, and a first gate electrode formed on the first source electrode and the first drain electrode corresponding to the first channel which is formed of the transparent conductive material. The poly-silicon layer is formed at a front channel portion of the first channel proximal to the first gate electrode through the first gate electrode.

Abstract: A distributed system for driving strings of series-connected LEDs for backlighting, display and lighting applications includes multiple intelligent satellite LED driver ICs connected to a an interface IC via serial bus. The interface IC translates information obtained from a host microcontroller into instructions for the satellite LED driver ICs pertaining to such parameters as duty factor, current levels, phase delay and fault settings. Fault conditions in the LED driver ICs can be transmitted back to the interface IC. An analog current sense feedback system which also links the LED driver ICs determines the supply voltage for the LED strings.

Abstract: A gate drive circuit includes a shift register having a plurality of stages, in which an n-th stage (‘n’ is a natural number) of the plurality of stages is connected to at least one subsequent stage. The n-th stage includes a pull-up part configured to output a high voltage of an n-th gate signal using a high voltage of a clock signal as in response to a high voltage of a control node, a control pull-down part configured to pull-down a voltage of the control node into a low voltage in response to a carry signal outputted from at least one of next stages of the n-th stage and receiving a back-bias voltage corresponding to the low voltage, and a carry part configured to output the high voltage of the clock signal as an n-th carry signal in response to a high voltage of the control node.

Abstract: A memory access section 16 writes, in a memory (10), a received image signal, in a case where a current frame is one that is located right before a frame in a scanning signal. On the other hand, the memory access section 16 does not write, in the memory (10), a received image signal, in a case where the current frame is one that is located right before a frame in a pause period. This allows a further reduction in electric power used to write, in the memory (10), an image signal received from outside.

Abstract: A display device includes: first dummy pixels including a self-emission element emitting first color light corresponding to emission colors of pixels in a display area; second dummy pixels including a self-emission element emitting the first color light and a self-emission element emitting second color light and causing both self-emission elements to emit light at the same time; a deterioration degree calculating unit calculating a deterioration degree in brightness of the self-emission element emitting the first color light on the basis of a brightness detection result of the first dummy pixels and calculating a deterioration degree in current flowing in the self-emission element emitting the first color light on the basis of brightness detection results of the first and second dummy pixels; and a correction unit correcting the brightness of effective pixels contributing to an image display on the basis of the deterioration degree in brightness and the deterioration degree in current calculated by the deteri

Abstract: In conventional liquid crystal display controllers, the display is reduced in the stand-by state but the liquid crystal display duty is not changed, i.e., even the common electrodes of the rows that are not producing display are scanned, and the consumption of electric power is not decreased to a sufficient degree in the stand-by state. A liquid crystal display controller includes a drive duty selection register capable of being rewritten by a microprocessor, and a drive bias selection register. When the display is changed from the whole display on a liquid crystal display panel to a partial display on part of the rows only, the preset values of the drive duty selection register and of the drive bias selection register are changed, so that the display is selectively produced on a portion of the liquid crystal display panel at a low voltage with a low-duty drive.