Abstract: A shift register includes stages each constituted by a unit circuit provided with a thin-film transistor (separation transistor) that separates a control node into an output-side first control node and an input-side second control node and a capacitor whose first end is connected to the second control node. The thin-film transistor (separation transistor) has a control terminal that is supplied with a high-level DC power supply voltage. Typically, the channel width of a thin-film transistor (first output control transistor) that controls output from a unit circuit is ten or more times greater than the channel width of the thin-film transistor (separation transistor).

Abstract: A cholesterol liquid crystal display device includes a liquid crystal display panel and a liquid crystal driving unit. The liquid crystal display panel has a plurality of pixels. The liquid crystal driving unit applies row driving voltages and column driving voltages to a designated pixel according to the input signal. After the input signal is transmitted, the liquid crystal driving unit activates the power-down signal within a certain period of time to reduce the row driving voltage and the column driving voltage applied to the specified pixel. Thereby, the crosstalk phenomenon on the cholesteric liquid crystal display device can be improved.

Abstract: An imaging backplane, a driving method thereof and a fingerprint identification panel are provided, the imaging backplane includes M rows and N columns of imaging structures, 2M rows of first signal lines, 2N columns of second signal lines, a first reset sub-circuit and a second reset sub-circuit; wherein each imaging structure includes a first imaging unit and a second imaging unit; the first imaging unit of the imaging structure of row i and column j is connected with the first signal line of row 2i-1 and the second signal line of column 2j-1 respectively, and the second imaging unit of the imaging structure of row i and column j is connected with the first signal line of row 2i and the second signal line of column 2j respectively.

Abstract: A display controller includes: a display unit that displays information together with a menu of operations; a screen controller that switches at least one item included in the menu between full display and compact display for display; and an operation unit that accepts an operation from a user including an operation for the menu. In a case where the operation unit accepts the operation for the menu, the screen controller switches the compact display of the menu item to the full display in response to the operation. In a case where display other than the menu is updated, the screen controller switches the full display of the menu item to the compact display.

Abstract: A liquid crystal device (300) includes a liquid crystal panel (200) and a liquid crystal driver (100). The liquid crystal panel (200) includes a segment electrode (ESD1), a segment signal line (LSD1) connected to the segment electrode (ESD1), and a segment signal line (LSD2) connected to the segment electrode (ESD1). The liquid crystal driver (100) includes a segment terminal (TSD1) to be connected to the segment signal line (LSD1), a segment driving circuit that outputs a segment driving signal to the segment terminal (TSD1), a segment terminal (TSD2) to be connected to the segment signal line (LSD2), and an anomalous segment detection circuit that detects anomalous driving of the segment electrode (ESD1) based on a segment monitoring signal that is input to the segment terminal (TSD2) from the segment electrode (ESD1) via the segment signal line (LSD2).

Abstract: A system includes a display device including a display surface configured to display a graphic and including an opening. The system also includes a peripheral device mounted within the opening of the display surface, and a processor configured to execute instructions stored in a memory device, which when executed, cause the processor to at least: display the graphic on the display surface of the display device adjacent to the peripheral device, whereby the graphic is displayed at least partially in association with the peripheral device.

Abstract: A portable electronic device with large display screen-to-body includes a housing, a first display, a circuit board, and an optical module. The first display is a transparent display. The optical module is electrically connected to the circuit board and positioned below the first display. The first display, the optical module, and the circuit board are received in the housing, the optical module is configured to receive external light passing through the first display even as the first display is displaying images. Operating methods for the portable electronic device in various modes are also provided.

Abstract: The present invention provides a liquid crystal display panel which has a via hole region and a display region. The liquid crystal display panel includes a backlight film layer. The backlight film layer includes a reflective plate and a light guiding plate arranged in sequence. In the via hole region, a black light-shielding adhesive is attached to the reflective plate. The reflective plate includes a first reflective sheet and a second reflective sheet which is bent upward. The second reflective sheet fixes the backlight film layer by the upward bending of the second reflective sheet. The black light-shielding adhesive includes a first black light-shielding adhesive portion and a second black light-shielding adhesive portion which is bent upward. The second black light-shielding adhesive portion is bent upward to form a black wall to cover the light guiding plate.

Abstract: A display device includes a display panel including a front substrate and a back substrate, a plurality of brackets attached to a non-display area of a back surface of the back substrate using an adhesive, and a backlight unit positioned in the rear of the display panel. The backlight unit includes a frame including at least one protrusion, a light guide plate disposed between the frame and the display panel, the light guide plate including at least one groove or hole corresponding to the at least one protrusion of the frame, an optical layer disposed between the light guide plate and the display panel, and a light source disposed on the side of the light guide plate.

Abstract: A head-mounted display (HMD) includes a display illuminated by one or more illumination sources. An illumination source is coupled to a partially transparent circuit board and is configured to emit light onto a compound mirror. The compound mirror is farther from an exit pupil of the HMD than the display and reflects light from the illumination source back towards the exit pupil of the HMD. Light reflected by the compound mirror is transmitted through the partially transparent circuit board onto the display, illuminating the display.

Abstract: A headset with an integrated computing system is an all in one device that includes an adjustable support band, a first and second ear cover, a computer system, a communications system, and a power source. The adjustable support band connects to each ear cover, with the ear covers being adjacent to a user's ears. The computer system is capable of storing and running software programs and interfacing with connected devices by means of a set of connection ports or the communications system. Any plethora of auxiliary devices can be attached to the headset be fully functional due to the many connection ports.

Abstract: In order to prevent color bleeding, a method of volume rendering a three-dimensional (3D) dataset includes identifying, by a processor, a mask that defines a segmented volume within the 3D dataset. The processor identifies a position within the 3D dataset at or adjacent to a boundary defined by the mask, identifies a plurality of voxels within the 3D dataset that are adjacent to the identified position within the 3D dataset, and determine, for each voxel of the plurality of voxels, whether the respective voxel is inside or outside of the identified mask. The processor determines, for each voxel of the plurality of voxels, a weight for the respective voxel based on the determination of whether the respective voxel is inside or outside of the identified mask. The processor determines a voxel value for the identified position based on the determined weights and voxel values for the plurality of voxels, respectively.

Abstract: A display device with a reduced bezel area is disclosed. In one embodiment, the display device includes a cut-out region on which an electronic component is to be placed, and a display panel for displaying an image. The cut-out region extends from a first side toward a second side of the display device. The display panel includes a first display area between a third side of the display device and the cut-out region, a second display area between a fourth side of the display device and the cut-out region, and a third display area between the third side and the fourth side of the display device, the third display area disposed below the first display area, the second display area, and the cut-out region toward the second side of the display device.

Abstract: A display panel comprises a first substrate, a second substrate disposed opposite to the first substrate, a liquid crystal layer disposed between the first and second substrates, and a pixel array disposed on the first substrate and including at least one pixel, which includes a first electrode layer, a second electrode layer and an insulation layer disposed between the first and second electrode layers. The second electrode layer has n electrode portions, the electrode portions are spaced from each other and disposed along a first direction, an electrode width of one of the electrode portions along the first direction is denoted by W (?m), the maximum width of a light-emitting area of the pixel along the first direction is denoted by Ax (?m), and the equation is satisfied as below: 1 2 × (   ? 10 × Ax 3 × W - 1 ) - 1 ? n ? 1 2 × (   ? 10 × Ax 3 × W - 1 ) + 1 wherein, n is a positive integer, 0.05<R<0.1, and a unit of W and Ax is ?m.

Abstract: A multiview image displaying system is provided. The multiview image displaying system includes: a display panel, a shutter panel, a shutter panel, and glasses. The display panel is for displaying images for different viewpoints by time division and includes a first polarizer. The shutter panel is provided in front of the display panel and includes an active shutter panel and a phase retardation plate. The glasses are for observing the images. The glasses are selected from among polarized glasses and shutter glasses.

Abstract: A first optic receives optical environment content for delivery to the see-through display. The see-through display delivers output optical content to the second optic and delivers the optical environment content to the second optic. The second optic delivers the optical output content and optical environment content to a viewing position. The first optic alters the focal vergence of the optical environment content; the second optic alters the focal vergence of the optical environment content and the focal vergence of the optical output content. The focal vergences of the optical output content and optical environment content thus are independently controllable. The first and second optics may render the focal vergence of the optical environment content after first and second optics substantially equal to optical environment content unmodified by either the first or second optics. The focal vergences of optical environment content and output content may be equal after alteration.

Abstract: Discussed is a display device with integrated touch screen including a panel including a plurality of electrodes; a data driver for converting RGB data into a data voltage, and supplying the data voltage to data lines; a gate driver for sequentially supplying a gate-on signal to n-numbered gate lines to apply the data voltage to pixels of the panel when a driving mode of the panel is a display driving mode; and a touch IC for generating a touch scan signal and supplying the touch scan signal to the plurality of electrodes of the panel when a driving mode of the panel is a touch driving mode, wherein the gate driver sequentially supplies the gate-on signal to the gate lines, and then simultaneously supplies the gate-on signal to the gate lines, and the data driver supplies the data voltage of the same level to the data lines.

Abstract: Conductive rubbing sludge generated by rubbing attaches to side portions of chip-on-glass (COG) terminals and terminal wiring lines and possibly causes short-circuiting (leakage) between adjacent terminal wiring lines via particles included in an anisotropic conductive film (ACF) which connects bumps of a semiconductor chip such as a driver IC to COG terminals. In the liquid crystal display device, each terminal wiring line connected to a COG terminal has a projecting part designed to generate an area not subjected to rubbing.

Abstract: A detecting circuit for pixel electrode voltage of a flat panel display device, the flat panel display device having a plurality of scanning lines and a plurality of data lines crossing with the plurality of scanning lines, the plurality of scanning lines and data lines define a plurality of pixel units, and each of the pixel units including a pixel switching element and a pixel electrode. The detecting circuit for pixel electrode voltage includes at least one detecting sub-circuit for pixel electrode voltage. The detecting sub-circuit for pixel electrode voltage includes: a signal amplifying unit connected with the pixel electrode in the pixel unit, for amplifying a voltage signal of the pixel electrode; and a signal detecting unit connected with the signal amplifying unit, for detecting the voltage signal of the pixel electrode that has been amplified by the signal amplifying unit, and outputting a variation in the voltage signal of the pixel electrode with time.

Abstract: Thin film transistors having a high current drive capability and a suitable threshold voltage are provided. The thin film transistor includes a gate electrode, an insulating layer formed on the gate electrode, a semiconductor layer formed on the insulating layer, and source/drain electrodes formed on the semiconductor layer. The semiconductor layer includes a plurality of regions separated from each other in a longitudinal direction of the source/drain electrodes.

Abstract: A liquid crystal display device includes: a first substrate, on which a reference potential trunk line that supplies a reference potential to a plurality of sub-pixels and a switching element of each of the plurality of sub-pixels, are disposed; and a second substrate, on which a display signal line that supplies a display signal, is disposed. A liquid crystal capacitance of each of the plurality of sub-pixels is formed between the first substrate and the second substrate. Pixels composed of the plurality of sub-pixels that correspond to a plurality of luminance regions are arranged in a matrix. In case that a prescribed half-tone is displayed in between pixels that are adjacent in the row direction, the plurality of sub-pixels that correspond to the same luminance region are arranged adjacently in the row direction.

Abstract: A display device which includes pixels, a plurality of gate lines, a plurality of data lines, a gate driver configured to drive the plurality of gate lines, a data driver configured to drive the plurality of data lines, and a timing controller configured to control the gate driver and the data driver. The timing controller receives a first image signal and outputs a second image signal to the data driver. The timing controller sequentially outputs a boosting signal and the first image signal as the second image signal. The boosting signal is based on the first image signal and the previous first image signal.

Abstract: Disclosed is a level shift circuit that includes a first transistor of a first conductivity type connected between a first power supply line and a first node, and second and third transistors of a second conductivity type connected in series between a second power supply line and the first node. A first control signal is supplied in common to a gate of the first transistor and a gate of one of the second and third transistors. A gate of the other of the second and third transistors is connected to an input terminal to which an input signal with an amplitude lower than a power supply amplitude of the first and second power supplies is supplied.

Abstract: The invention relates to a security element for the identification of a security document, in particular a banknote, a valuable paper or a paper document, comprising at least one electrically controllable display element and at least one piezoelectric energy source which controls the at least one display element. The security element is formed by a flexible multilayered film body comprising the at least one electrically controllable display element containing a display layer having liquid crystals that can be oriented in an electric field, and comprising the at least one piezoelectric energy source which controls the at least one display element and has at least one layer composed of piezoelectric material, wherein the security element has a thickness of at most 70 ?m in a direction perpendicular to the plane of the film body.

Abstract: The present invention provides a liquid crystal display device, a color-filter substrate, a thin-film-transistor substrate and a manufacturing method thereof. The thin-film-transistor substrate has a pixel array and transparent conductive material. The pixel array has a plurality of thin-film-transistor units, pixel electrodes and metal signal lines. The transparent conductive material is mounted on the pixel array with an insulating layer placed therebetween, and correspondingly covers an area containing the thin-film-transistor units and the metal signal lines. And voltage difference between the transparent conductive layer and a common electrode of the color-filter substrate is smaller than a threshold voltage of liquid crystal cell. Therefore, without enough voltage difference for driving, the liquid crystal material between the transparent conductive material and the common electrode can maintain at a vertical status to block lights, so as to replace the function of traditional black matrix.

Abstract: A controller or control method may be designed or configured to operate without information about the current temperature of the device and/or the device's environment. Further, in some cases, the controller or control method is designed or configured to control transition of an optical device to an intermediated state between two end states. For example, the controller may be configured to control a transition to a state of transmissivity that is intermediate between two end states of transmissivity. In such case, the device has three or more stable states of transmissivity.

Abstract: A first transistor comprises a gate coupled to a first scan line, a source coupled to a data line, and a drain coupled to the first storage capacitor. The second transistor comprises a gate coupled to a second scan line, a source coupled to the first storage capacitor, and a drain coupled to the second storage capacitor. A first polarity voltage applied on the data line is stored into the first storage capacitor during a first time period which the first transistor is turned on. The first storage capacitor discharges due to a connection between the first capacitor and the second capacitor during a second time period which the second transistor is turned on. By using such driving method, the difference in voltage between the liquid crystal capacitor and a common voltage is reduced from charge sharing for improving a color washout effect of the LCD panel.

Abstract: An LED driver IC for driving external strings of LEDs comprises a prefix register and a data register connected in series with each other and with the prefix and data registers in other driver ICs. The prefix and data registers of the driver ICs are connected in a daisy chain arrangement with an interface IC. The interface IC loads data identifying a functional latch into the prefix register and data defining a functional condition into the data register of each driver IC. The data in the data register is then transferred to the functional latch to control the functional condition within the LED driver IC.

Abstract: An LED driver IC for driving external strings of LEDs comprises a prefix register and a data register connected in series with each other and with the prefix and data registers in other driver ICs. The prefix and data registers of the driver ICs are connected in a daisy chain arrangement with an interface IC. The interface IC loads data identifying a functional latch into the prefix register and data defining a functional condition into the data register of each driver IC. The data in the data register is then transferred to the functional latch to control the functional condition within the LED driver IC.

Abstract: An LED driver IC for driving external strings of LEDs comprises a prefix register and a data register connected in series with each other and with the prefix and data registers in other driver ICs. The prefix and data registers of the driver ICs are connected in a daisy chain arrangement with an interface IC. The interface IC loads data identifying a functional latch into the prefix register and data defining a functional condition into the data register of each driver IC. The data in the data register is then transferred to the functional latch to control the functional condition within the LED driver IC.

Abstract: A control is provided that includes a current altering device for control of peripheral devices and a display having a first segment, second segment and third segment and the first and second segments are not located in the same plane. The display includes at least one touch sensitive segment to operate a peripheral control function. The display includes alphanumeric display areas adjacent to first and second segments. In an embodiment the display may have an arc shape and the first segment is located at an apex of the arc of the display in a first plane and a second segment is located in a second plane.

Abstract: A liquid crystal display includes a liquid crystal panel having liquid crystal cells in a matrix array at crossings of data lines and gate lines, a data drive circuit for providing data signals to the data lines, a gate drive circuit for providing gate signals to the gate lines, and a timing controller for receiving video data and timing signals, for checking a frame frequency of the video data in real-time to detect changes in the frame frequency, and for outputting a gate timing control signal to control the gate driving circuit in response to changes in the frame frequency and a data timing control signal for controlling the data driving circuit, wherein the gate timing control signal controls black data insertion percentage in a frame.

Abstract: The present invention is to provide an LCD unit, an LCD apparatus, and a method of setting a drive voltage of the LCD unit with a simple operation. The LCD unit includes a label pasted on a place of the LCD unit, wherein the label includes an information code, which is information-coded from a data of a drive voltage for achieving the best contrast in optical characteristics of the LCD unit. The best drive voltage to drive the LCD unit with the best contrast is thereby easily set.

Abstract: A driving method of a liquid crystal display panel having a source line and a counter electrode, includes driving the counter electrode to a first potential, driving the, counter electrode to a second potential being different from the first potential, setting the counter electrode and the source line to a third potential by short-circuiting the counter electrode and the source line to an interconnection having a potential between the first potential and the second potential, and driving the source line to a potential corresponding to an image data. The setting of the counter electrode and the source line to the third potential occurs in a period of one frame.

Abstract: The display device includes a signal line and a pixel. The pixel includes a first switching element, a capacitor having a first electrode which is electrically connected to the signal line through the first switching element, a display element electrically connected to the first electrode of the capacitor, a second switching element, and an electric charge supply terminal electrically connected to a second electrode of the capacitor through the second switching element. A potential difference between a potential of the signal line and a potential of the electric charge supply line is applied to the capacitor. Voltage of the capacitor at the time of writing is set higher than that of the display element. Accordingly, drop in voltage held in the capacitor due to degradation of the first switching element is reduced, and desired voltage applied to the display element is maintained.

Abstract: A liquid crystal display (LCD) includes: a liquid crystal panel including a plurality of pixels; a data driver applying a data voltage to a plurality of data lines connected to the plurality of pixels; a scan driver applying a scan voltage to a plurality of scan lines connected to the plurality of pixels in synchronization with a scan clock signal controlling an output of the scan signal for the data voltage to be applied to the plurality of pixels; and a boost driver applying a primary boost voltage and a secondary boost voltage to a plurality of boost lines connected to the plurality of pixels in synchronization with a boost clock signal controlling the output of the boost voltage, wherein the boost clock signal has different synchronization from the scan clock signal controlling the output of the scan signal.

Abstract: A panel driving circuit that produces a panel test pattern and a method of testing a panel are provided. The driving circuit includes a pattern generation unit and a selection unit. The pattern generation unit responds to a system clock and produces pattern test data and pattern test signals. The selection unit responds to a test signal and selects and outputs either (a) the pattern test data and the pattern test signals that are outputted from the pattern generation unit, or (b) the pattern test data and pattern test signals that are directly applied from the outside. The driving circuit and the method of the panel test generates the panel test data, the horizontal synchronizing signal, the vertical synchronizing signal, and the data activating signal within the driving circuit using a system clock so that the testing of the panel can be carried out without using a separate test device.

Abstract: A method of driving a plasma display apparatus including a scan electrode and a sustain electrode, that are positioned parallel to each other, are disclosed. The method includes supplying a scan signal to the scan electrode during an address period of a first subfield among a plurality of subfields of a frame, supplying a reset signal to the scan electrode during a reset period of a second subfield immediately following the first subfield, supplying a first signal between the scan signal and the reset signal to the scan electrode, and supplying a second signal overlapping the first signal to the sustain electrode. A pulse width of the second signal is smaller than a pulse width of the first signal.

Abstract: A display device having slim border-area architecture is disclosed. The display device includes a substrate, a plurality of data lines, a plurality of gate lines, a plurality of auxiliary gate lines and a driving module. The substrate includes a display area and a border area. The data lines, the gate lines and the auxiliary gate lines are disposed in the display area. The driving module is disposed in the border area. The gate lines are crossed with the data lines perpendicularly. The auxiliary gate lines are parallel with the data lines. Each auxiliary gate line is electrically connected to one corresponding gate line. The data and auxiliary gate lines are electrically connected to the driving module based on an interlace arrangement. Further disclosed is a driving method for delivering gate signals provided by the driving module to the gate lines via the auxiliary gate lines.

Abstract: A display system includes display terminals (1-1-1-4) that display pictures, a display control apparatus (3) that controls the display of pictures on the display terminals (1-1-1-4), and optical shutters (2-1-2-4) that are provided corresponding to each of the display terminals (1-1-1-4) and that enter a state of transmitting incident light in intervals in which private pictures are displayed on corresponding terminals and enter a state of blocking incident light in other intervals. The display control apparatus (3) controls the display terminals (1-1-1-4) such that private pictures are not simultaneously displayed on display terminals (1-1-1-4).

Abstract: A method for detecting a foreign particle trapped between substrates of a liquid crystal display panel, by which a potential short caused by the particle can be made into a short with reliability, and thus it is possible to make a display defect manifest itself that is caused by the particle. The method is for detecting the presence of a foreign particle trapped between flexible substrates (21, 26) of a liquid crystal display panel (20), between the substrates liquid crystals filled, and the method includes making the panel pass between supporting rollers (3) arranged to support one surface of the panel, and a pressing roller (4) disposed at a position opposed to a space between the supporting units and arranged to press the other surface of the panel, bending the panel, and displacing the substrates with respect to each other in their surface directions.

Abstract: A liquid crystal panel includes a plurality of pixel units, each of which include gating lines, data lines, a pixel electrode and a thin film transistor (TFT). Common electrodes of first pixel units in a same row are electrically connected via a first common line, and common electrodes of second pixel units in the same row are electrically connected via a second common line. The first common line is connected with a first common voltage and the second common voltage is connected with a second common voltage. The first common voltage and the second common voltage are alternating current voltages and have opposite polarities in the same frame. The liquid crystal panel can decrease power consumption of a source driver and lower cost of the liquid crystal panel.

Abstract: The present invention discloses a switch control unit, a test apparatus and method for a liquid crystal cell. The switch control unit controls a signal input to the liquid crystal display driver and controls the output of the signal from the liquid crystal display driver accordingly, and includes a control signal generator and a switch module. The test apparatus for the liquid crystal cell comprises: a switch control unit connected with a gate driver, for controlling ON and OFF of a signal input to the gate driver and controlling ON and OFF of a gate scan signal accordingly. The test method for the liquid crystal cell comprises: inputting a test signal; controlling ON and OFF of a gate scan signal by controlling ON and OFF of a signal input to a gate driver so as to determine the badness positions on a screen.

Abstract: A method of driving a light source includes converting a reference luminance value of the light source to a first just noticeable difference (JND) value. The JND value represents a minimum noticeable difference between two stimuli. A target luminance value lower than the reference luminance value is determined using the first JND value. A first driving signal applied to the light source is generated using the target luminance value so that a user may not notice a luminance change when a luminance value of a light source is decreased in order to decrease power consumption of a display apparatus.

Abstract: A method of server site rendering 3D images on a server computer coupled to a client computer wherein the client computer instructs a server computer to load data for 3D rendering and sends a stream of rendering parameter sets to the server computer, each set of rendering parameters corresponding with an image to be rendered; next the render computer renders a stream of images corresponding to the stream of parameter sets and the stream of images is compressed with a video compression scheme and sent from the server computer to the client computer where the client computer decompresses the received compressed video stream and displays the result in a viewing port. The rendering and communication chain is subdivided in successive pipeline stages that work in parallel on successive rendered image information.

Abstract: A method and apparatus is provided for reducing color shift in relation to viewing angle in an LCD. The method includes receiving a plurality of pixel data constituting an image, each pixel data including a plurality of sub-pixel color components having respective data values; for each of the pixel data, comparing the sub-pixel color component data values included therein; and based on the comparison, modifying the sub-pixel color component data values included in the pixel data to reduce color shift when displayed on the LCD.

Abstract: A liquid crystal display device with controllable viewing angle of the present invention has an upper substrate (101) on which an upper substrate common electrode (103) is disposed, a lower substrate (102) on which a pixel electrode is disposed, and a liquid crystal layer (107) sandwiched between the upper substrate (101) and the lower substrate (102). The liquid crystal molecules are vertical to the upper substrate (101) in substance when no voltage is applied, and a plurality of parallel strip-like lower substrate common electrodes (104) are disposed on the lower substrate (102).

Abstract: An LCD device has a reflective area that reflects light incident from a polarizing film side using a reflection film, and a transmissive area that transmits light of a backlight incident from a TFT substrate side. The drive voltages of the reflective area and transmissive area are Vr and Vt, the black voltage in the reflective area is Vr(K), the black voltage in the transmissive area is Vt(K). The reflectance R, the transmittance T, characteristics of R with respect to drive voltage [Vr(K)?Vr] and characteristics of T with respect to drive voltage [Vt?Vt(K)] substantially match each other.

Abstract: Circuit and method for controlling a liquid crystal segment (1) display wherein the shape of the control signals of the segments (e1, e2, b1, b2) is adapted according to a supply voltage (Vdd) so as to compensate at least partially the opacity variations caused by the supply voltage variations.

Abstract: A driver unit comprises a latch circuit for holding digital image data in a voltage state, a digital-to-analog converter, and a voltage compensator circuit for raising the analog display voltage. The digital-to-analog converter can access content of the digital image data from the voltage state in the latch circuit, and convert the digital image data into analog display signals. In other embodiments, a method of driving a liquid crystal display comprises storing digital image data in a latch circuit under a voltage state, accessing a content of the digital image data from the voltage state held in the latch circuit, selecting a reference voltage according to the content of the digital image data for converting the digital image data into analog display signals, and raising the analog display voltage for obtaining a driving voltage.