Abstract: A pixel array includes a plurality of pixels. Each pixel has a first sub-pixel, a second sub-pixel, and a pair of third sub-pixels. The first sub-pixel of each pixel and the first sub-pixels of three adjacent pixels are arranged in a two by two array, the second sub-pixel of each pixel and the second sub-pixels of three adjacent pixels are arranged in a two by two array, and one of each of the third sub-pixels of each pixel and one of the third sub-pixels of three adjacent pixels are arranged in a two by two array. A scan line is connected to a switch unit of each of the sub-pixels in a pixel.

Abstract: A circuit can include a transistor coupled to a resistor or a diode. In an embodiment, the circuit can include a pair of transistors arranged in a cascode configuration, and each of the transistors can have a corresponding component connected in parallel. In a particular embodiment, the components can be resistors, and in another particular, embodiment, the components can be diodes. The circuit can have less on-state resistance as compared to a circuit in which only one of the components is used, and reduces the off-state voltage on the gate of a high-side transistor. An integrated circuit can include a high electron mobility transistor structure and a resistor, a diode, a pair of resistors, or a pair of diodes.

Abstract: A lighting indicator system having a controller with an analog output signal and an LED array receiving the analog output signal and lighting a plurality of LEDs in response. The LED array provides a second analog output that echoes the received analog output signal from the controller.

Abstract: It is an object to manufacture and provide a highly reliable display device including a thin film transistor with a high aperture ratio which has stable electric characteristics. In a manufacturing method of a semiconductor device having a thin film transistor in which a semiconductor layer including a channel formation region is formed using an oxide semiconductor film, a heat treatment for reducing moisture and the like which are impurities and for improving the purity of the oxide semiconductor film (a heat treatment for dehydration or dehydrogenation) is performed. Further, an aperture ratio is improved by forming a gate electrode layer, a source electrode layer, and a drain electrode layer using conductive films having light transmitting properties.

Abstract: An organic light-emitting display apparatus includes a plurality of lines disposed to include crossing points where lines insulated from one another by an insulation layer cross. If a defect occurs at one of the crossing points, the lines may be shorted together and the apparatus malfunctions. A method of identifying a shorted crossing point uses a test light-emitting device that is disposed to correspond to the crossing point and to emit light when a short is present at its corresponding crossing point.

Abstract: An organic optoelectronic component and a method for operating the organic optoelectronic component are disclosed. In an embodiment the organic optoelectronic component includes at least one organic light emitting element including an organic functional layer stack having at least one organic light emitting layer between two electrodes and at least one organic light detecting element including at least one organic light detecting layer, wherein the at least one organic light detecting element and the at least one organic light emitting element are laterally arranged on a common substrate.

Abstract: A light emitting device that achieves long life, and which is capable of performing high duty drive, by suppressing initial light emitting element deterioration is provided. Reverse bias application to an EL element (109) is performed one row at a time by forming a reverse bias electric power source line (112) and a reverse bias TFT (108). Reverse bias application can therefore be performed in synchronous with operations for write-in of an image signal, light emission, erasure, and the like. Reverse bias application therefore becomes possible while maintaining a duty equivalent to that of a conventional driving method.

Abstract: A display that includes energy sensors within the display itself is disclosed. An Organic Light Emitting Diode (OLED) can be made to operate both as a light emitter and as an energy detector. When forward biased with an appropriate driving signal, the OLED emits light via electroluminescence, which can be used to make a portion of an image on the display. In another mode, the OLED can detect energy by converting incoming photons or energy into an electrical signal by the photoelectric effect. By operating OLEDs in the display in both emissive and sensing modes, energy that shines on the display, such as from an outside source can be detected at the same time an image is shown. Additionally, a display including OLEDs can detect light energy generated by the display itself.

Abstract: There is provided a display device including: a light emitting element; and a drive transistor (DRTr) that includes a coupling section (W1) and a plurality of channel sections (CH) coupled in series through the coupling section (W1), wherein the drive transistor (DRTr) is configured to supply a drive current to the light emitting element.

Abstract: A touch sensor integrated type display device includes a plurality of gate lines and a plurality of data lines which are arranged to cross over each other, a plurality of pixel electrodes respectively disposed in areas defined by the crossing of the plurality of gate lines and the plurality of data lines, a plurality of touch electrodes serving as common electrodes, each of which overlaps some of the plurality of pixel electrodes in an active area, and a routing wire which is arranged on at least one side of each of first and second data lines related to the some pixel electrodes corresponding to each touch electrode serving as the common electrode in parallel with the first and second data lines. The routing wire is connected to the touch electrode serving as the common electrode.

Abstract: A display device is disclosed. The display device includes: a pixel array unit and a driving unit which drives the pixel array unit. The pixel array unit includes rows of first scanning lines and second scanning lines, columns of signals, pixels in a matrix state arranged at portions where the scanning lines and the signal lines cross each other and power supply lines and ground lines supplying power to respective pixels. The driving unit includes a first scanner performing line-sequential scanning to pixels by each row by supplying a first control signal to each first scanning line sequentially, a second scanner supplying a second control signal to each second scanning line sequentially so as to correspond to the line-sequential scanning and a signal selector supplying a video signal to rows of signal lines so as to correspond to the line-sequential scanning.

Abstract: A light emitting module includes a plurality of light emitting device packages configured to be sequentially turned on or off according to the level of external drive voltage and connected to one another in series. Each of the plurality of light emitting device packages includes a light emitting cell having at least one light emitting device, and an on/off controller configured to control to turn the light emitting cell on or off.

Abstract: Disclosed herein is an AC LED driving circuit. The AC LED driving circuit includes a power supply unit. An LED driving unit includes an LED lighting unit having a first LED unit to an n-th LED unit, and a plurality of switching circuit units. A dimmer driving unit includes a VCCS, an input terminal and an output terminal of which are respectively connected to a connection line between the output terminal of the rectification circuit and the first LED unit and to an output terminal of the switching circuit units, a reference voltage supply unit, and a common resistor, a first end of which is connected to a negative terminal of the reference voltage supply unit, and a second end of which is connected in common to an output line of the VCCS and to an output terminal of the switching circuit units.

Abstract: A display device includes a plurality of common lines, a plurality of drive lines, a plurality of light emitting elements, a source driver, and a sink driver. At least one charging device is connected to at least one of the common lines and configured to increase a voltage of the common lines to a predetermined value when the voltage of the common lines is lower than the predetermined value during a period while the source driver does not apply the voltage. At least one discharging device is connected to at least one of the plurality of common lines and configured to decrease the voltage of the common lines to the predetermined value when the voltage of the common lines is higher than the predetermined value during the period while the source driver does not apply the voltage.

Abstract: Disclosed herein is a display apparatus, including: a foldable substrate; a pixel array section including a plurality of pixels disposed on the substrate and each including an electro-optical device; the foldable substrate being folded at a substrate end portion at least on one side thereof around the pixel array section; a peripheral circuit section disposed on the substrate end portion and adapted to drive the pixels of the pixel array section; and a pad section provided on the substrate end portion on which the peripheral circuit section is provided and adapted to electrically connect the peripheral circuit section to the outside of the substrate.

Abstract: A pixel driving circuit includes a signal loading component, a storage capacitor, a compensation component, a mirror component, and a drive transistor. In a data transmission stage, the signal loading component transmits a received image data signal to the gate of a drive transistor, which is stored in a storage capacitor; and in a threshold voltage compensation stage, the compensation component connects the gate of the drive transistor to the source of the drive transistor so as to generate a drive signal dependent upon the threshold voltage of the drive transistor from the signal stored in the storage capacitor and to drive an organic light emitting diode to emit light, thus eliminating an influence of the threshold voltage of the drive transistor on the current through the organic light emitting diode and preventing the brightness of the organic light emitting diode from varying over its operating period of time.

Abstract: A display apparatus includes a first pixel, a second pixel, and a dummy pixel. The first pixel includes a first light-emitting device connected to a first pixel circuit through a first node. The second pixel is in a same row as the first pixel and includes a second light-emitting device connected to a second pixel circuit through a second node. The dummy pixel includes at dummy pixel circuit with a third node. The controller outputs a first control signal having a first level or a second level based on a first pixel grayscale value corresponding to the first pixel and a second pixel grayscale value corresponding to the second pixel. A switch circuit electrically connects the first node, the second node, and a third node when the first control signal has the first level.

Abstract: A power consumption controller includes (a) a power consumption calculation section which sequentially calculates the power consumption level of a self-luminous display device based on a video signal input from the beginning of each frame up to the time of calculation, (b) a power consumption status determination section which determines whether the calculated power consumption level exceeds a reference value for comparison by constantly comparing the two levels. If this is the case, the same section detects the timing at which the power consumption exceeds the reference value for comparison and (c) a peak brightness control section which controls the peak brightness of the self-luminous display device if the power consumption level exceeds the reference value for comparison based on the detected timing.

Abstract: An organic light emitting diode display device including: a display panel including a plurality of pixels, a scan driving unit configured to supply a scan signal to the pixels via a plurality of scan lines, a data driving unit configured to supply a data signal to the pixels via a plurality of data lines, an emission driving unit configured to supply an emission control signal to the pixels via a plurality of emission control lines, and a timing control unit configured to control the scan driving unit, the data driving unit, and the emission driving unit, and to control the emission driving unit to gradually change an off-period of the emission control signal each time a number of image frames are displayed.

Abstract: A system reads a desired circuit parameter from a pixel circuit that includes a light emitting device, a drive device to provide a programmable drive current to the light emitting device, a programming input, and a storage device to store a programming signal. One embodiment of the extraction system turns off the drive device and supplies a predetermined voltage from an external source to the light emitting device, discharges the light emitting device until the light emitting device turns off, and then reads the voltage on the light emitting device while that device is turned off. The voltages on the light emitting devices in a plurality of pixel circuits may be read via the same external line, at different times. In-pixel, charge-based compensation schemes are also discussed, which can be used with the external parameter extraction implementations.

Abstract: A light emitting elements drive control device includes: a supplying unit that supplies a common power source voltage to a plurality of light emitting elements whose light emission quantities are controlled individually by current controls; a determining unit that determines voltage ranges capable of assuring proper current control operations on the individual light emitting elements based on drive voltages for the respective light emitting elements that vary as the current controls are performed; and a setting unit that sets the power source voltage to be supplied from the supplying unit from a common voltage range of the voltage ranges determined by the determining unit.

Abstract: A method of isolating bad pixels on a wafer comprising the steps of determining physical locations of the bad pixels on the wafer, creating a mask based on the physical locations of the bad pixels, imprinting the mask onto the wafer, and hybridizing the wafer onto a readout integrated circuit (ROIC).

Abstract: In an organic light emitting diode display, a plurality of sub-pixels sharing a select scan line that extends in a row direction forms a unit pixel, and the plurality of sub-pixels are arranged in a column direction in the unit pixel. A field is divided into a plurality of subfields, and corresponding one of the plurality of sub-pixels emits light in each of the plurality of subfields.

Abstract: A display device includes a substrate having a display area; row electrodes formed over the substrate in the display area extending in a row direction and column electrodes formed over the substrate in the display area extending in a column direction different from the row direction, the row and column electrodes overlapping to form pixels; wherein the pixels are divided into two or more separate pixel groups, each pixel group having group row electrodes and separate group column electrodes; two or more spaced column driver chiplets located in the display area, each column driver chiplet uniquely connected to a different pixel group wherein in at least one of the column driver chiplets is located between pixel groups, and the two or more spaced column driver chiplets adapted to drive the group column electrodes of the one pixel group; and one or more row driver(s) connected to the row electrodes.

Abstract: The present disclosure discloses an LED boost converter and an LED backlight driver using the same. The LED boost converter comprises an inductive boost circuit used in different display modes for boosting an input voltage to a working voltage necessary for the operation of LED in a current display mode; a detecting circuit used in different display modes for selecting different detecting resistors for the different display modes so as to provide different detecting currents in the inductive boost circuit; and a controller used for providing a pulse width modulation signal so as to drive the inductive boost circuit, and for detecting whether a detecting voltage corresponding to the detecting current exceeds a reference voltage.

Abstract: A method controls a display that includes a display portion, a scanner, and a driver. The display portion includes light emitting elements arranged in a matrix form. The scanner is connected to common lines each of which is connected to corresponding elements that are arranged in a corresponding row. The scanner applies a voltage to a selected common line. The driver is connected to driving lines each of which is connected to corresponding elements that are arranged in a corresponding column. The driver activates selected elements. The method controls the display whereby displaying an image in each cycle including frames. The voltage is applied to the selected one of the common lines in a lighting frame in which the light emitting elements are driven in one cycle. The scanner is prevented from applying the voltage in a non-lighting frame in which the elements are not driven in the one cycle.

Abstract: It is an object to provide a light-emitting device and an electronic device which can provide an image with excellent image quality. One of the present inventions is a light-emitting device including a plurality of light-emitting elements each exhibiting a different emission color. At least one of the plurality of light-emitting elements has n light-emitting layers (n is a natural number, n?2) between a pair of electrodes. Further, at least one of the n light-emitting layers includes a substance which provides emission from a triplet excitation state. In a light-emitting device having such a structure, an image is displayed by combining emissions from the plurality of light-emitting elements.

Abstract: An organic light emitting display includes an image display unit having a plurality of pixels, and first and second pixel power lines that receive pixel-driving voltages from first and second power supplies, respectively. The second pixel power lines are interleaved with the first pixel power lines. Adjacent pixels of the same color from among the plurality of pixels provided in the image display unit are coupled to pixel power lines corresponding to different power supplies. This is to solve or mitigate the problem of non-uniform brightness of the entire image display unit due to voltage drops in the pixel power lines.

Abstract: The present invention provides an liquid crystal display panel and an liquid crystal display device. The liquid crystal display panel comprises a second substrate. The second substrate comprises a plurality of pixel units. The pixel unit comprises a brightness adjustment pixel which is employed for changing the display brightness of itself to adjust the brightness of the liquid crystal display panel. The contrast ratio and the brightness of the liquid crystal display panel can be raised at outdoor or in a strong ambient light environment and the power consumption can be decreased.

Abstract: A substrate includes a driving transistor, a capacitor, a driving voltage line, and a connection line. The driving transistor has a gate electrode overlapping a channel region of a curved active layer. The capacitor has a first electrode is formed of the gate electrode of the driving transistor and a second electrode overlapping the first electrode. The driving voltage line includes driving voltage line portions on the capacitor and connected to edges of the second electrode of the capacitor. The first connection line is located at a portion of a region on the capacitor separated from the driving voltage line. A via hole is on the first connection line.

Abstract: A display device is disclosed. The display device includes: a pixel array unit and a driving unit which drives the pixel array unit. The pixel array unit includes rows of first scanning lines and second scanning lines, columns of signals, pixels in a matrix state arranged at portions where the scanning lines and the signal lines cross each other and power supply lines and ground lines supplying power to respective pixels. The driving unit includes a first scanner performing line-sequential scanning to pixels by each row by supplying a first control signal to each first scanning line sequentially, a second scanner supplying a second control signal to each second scanning line sequentially so as to correspond to the line-sequential scanning and a signal selector supplying a video signal to rows of signal lines so as to correspond to the line-sequential scanning.

Abstract: A method for sensing degradation of an organic light emitting display includes an initialization step for applying a sensing data voltage to a gate node of a driving TFT and applying an initialization voltage to a source node of the driving TFT, a boosting step for floating the gate node and the source node of the driving TFT and applying a drain-to-source current of the driving TFT to an organic element, a sensing step for again applying the initialization voltage to the source node of the driving TFT, setting a gate-to-source voltage of the driving TFT depending on a degradation degree of the organic element, and storing the drain-to-source current of the driving TFT determined by the set gate-to-source voltage in a line capacitor, and a sampling step for outputting a voltage stored in the line capacitor as a sensing voltage.

Abstract: The present invention aims to provide a luminescent system enabling contactless power supply, having a high ratio of light emission region, and securing a desired quantity of emitted light. The luminescent system is constituted by an organic EL device and a fixed-side wall surface. The device is formed by stacking an electrode layer of an anode side, an organic light-emitting layer, and a transparent electrode layer of a cathode side on a substrate and being sealed by a sealing part. Electrodes with a planar expanse are stacked on a face near the wall surface and are arranged so as to overlap a light emitting region where the organic light-emitting layer is disposed. Electrodes with a planar expanse are embedded in the wall surface. A power unit is electrically connected between the electrodes. The electrodes of the device and of the wall surface are opposite each other across a flooring material.

Abstract: In the case of reducing an effect of variations in current characteristics of transistors by inputting a signal current to a transistor in a pixel, a potential of a wiring is detected by using a precharge circuit. In the case where there is a difference between a predetermined potential and the potential of the wiring, a charge is supplied to the wiring to perform a precharge by charging rapidly. When the potential of the wiring reaches the predetermined potential, the supply of charge is stopped and a signal current only is supplied. Thus, a precharge is performed only in a period until the potential of the wiring reaches the predetermined potential, therefore, a precharge can be performed for an optimal period.

Abstract: A method for driving a display device is disclosed. Display images of one frame are divided into detection regions; pixel polarity arrangements of each detection region are determined, and according to the determined result a data driving circuit selects a corresponding scanning method to drive the display device. The data driving circuit adopts an interlaced-to-progress scanning conversion method to drive the display device, so as to ensure that there are no data circuits in a loaded state, thereby reducing the power consumption of the display device.

Abstract: A color display unit includes pixels arranged in matrix form. Display pixel units are formed from multiple pixels, one of each of the display colors, grouped together across multiple rows. Drive units are formed by multiple rows of display pixel units that are connected to a common power supply line. Common write scanning lines are provided, where the number of common write scanning lines per drive unit equals the number of rows of pixels that are included in a display pixel unit. Each common write scanning line is connected to every pixel of at least one given color in its respective drive unit. Within a single drive unit, every pixel of a given color has a transistor whose layout orientation is the same as the layout orientation of a corresponding transistor in every other pixel of that given color.

Abstract: An arrangement for reading a sensor element in a vehicle includes a sensor element. The sensor element has at least one analog signal output. The arrangement further includes a first control unit. The first control unit has at least one first signal input. The arrangement further includes a second control unit. The second control unit has at least one second signal input. The signal output is connected to the at least one first signal input. The signal output is further connected to the at least one second signal input using a voltage divider.

Abstract: Described herein is a low power squelch circuit which comprises a clock generation unit to generate first and second phases of a clock signal; a sampling unit to sample a differential input signal according to the first and second phases of the clock signal, the sampler to generate a sampled differential signal; and a differential amplifier to amplify the sampled differential signal.

Abstract: Provided is a current controlling device for controlling an electric field emission current in connection with an electric field emission device which emits electrons in response to an applied voltage, the device including: a first current controlling transistor forming a current path in response to a first gate voltage; a second current controlling transistor connected between the field emission device and the first current controlling transistor and forming a current path in response to a second gate voltage; and a control logic controlling the first and second gate voltages, wherein the control logic controls a upper limit of the field emission current by using the first gate voltage.

Abstract: Provided are a display device and a method of manufacturing the same. The display device includes a display panel having one surface and the other surface, a main drive board formed on the other surface of the display panel, a flexible circuit board having one end electrically connected to the one surface of the display panel and the other end electrically connected to the main drive board and having a bent portion formed at a lateral surface of the display panel, and a board support portion formed on an inner surface of the flexible circuit board.

Abstract: A method to eliminate caterpillar phenomenon in a scanning LED display is disclosed, wherein each scan line comprises a USW(N) for charging the scan line(N) and a DSW(N) for discharging the scan line(N), the method comprising: turning on the USW(N) to charge the scan line(N) for a first time interval; turning on the DSW(N) to discharge the scan line(N) for a second pre-determined time interval; and turning off the DSW(N) after the second pre-determined time interval is elapsed.

Abstract: An organic light emitting diode (OLED) display includes a display panel including data lines, scan lines crossing the data lines, and pixels which each include an organic light emitting diode and are arranged in a matrix form, a power generator which is enabled in a normal mode to generate a high potential power voltage for driving the display panel and is disabled in a low power mode, and a panel driving circuit which drives the data lines and the scan lines, disables the power generator in the low power mode to cut off an output of the power generator, and supplies an internal power less than the high potential power voltage to the display panel to reduce the high potential power voltage in the low power mode.

Abstract: The invention describes a control circuit for backlighting having a plurality of control channels in each of which a light emitting diode string is controlled. The control circuit has a balancing device for balancing the currents in the individual control channels, and a control unit that is connected to a power factor correction circuit (PFC), to a bridge circuit and to a primary-side current measuring device. Each control channel has a switch for switching the light emitting diode string that is connected to a separate dimming signal. The control circuit furthermore has at least one smoothing capacitor and one current limiter that limits the charging current for the smoothing capacitor.

Abstract: A circuit for driving light emitting elements, such as LEDs, includes a first transistor having a source coupled to ground through a first resistive element, and a second transistor having a gate electrically coupled to a gate of the first transistor, a source electrically coupled to ground, and a drain for electrical connection to a first group of light emitting elements. The circuit also includes circuitry to provide a predetermined voltage at the source of the first transistor, circuitry to compensate for a difference in respective gate-source voltages of the first and second transistors, and circuitry to compensate for a difference in respective drain-source voltages of the first and second transistors. In some implementations, the circuit can achieve relatively low power consumption.

Abstract: In a state in which a reference light source emits light, display elements of a display device are caused to light up in each of lighting patterns for causing any adjacent display elements not to light up simultaneously. A captured image acquirer acquires image data about an image captured in each of the lighting patterns, a display element position calculator determines the position of each of the display elements and the position of the reference light source on each of the images, a display element brightness calculator calculates brightnesses from the pixel values at the determined positions, a relative brightness calculator calculates a relative brightness of each of the display elements with respect to the brightness of the reference light source, and a display element output coefficient calculator calculates coefficients for making the brightnesses of the display elements uniform.

Abstract: A display unit provided with a display panel including a light emitting element and a pixel circuit for each pixel, and a drive circuit configured to drive each of the pixels. The pixel circuit includes: a first transistor configured to sample a voltage corresponding to a picture signal, the first transistor having characteristics that a parasitic capacitance at a time when the first transistor is turned off is decreased as magnitude of negative bias applied to a gate voltage is increased; a second transistor configured to control a current flowing through the light emitting element based on magnitude of the voltage sampled by the first transistor; and a retention capacitance configured to retain the voltage sampled by the first transistor.

Abstract: A power supply includes a switch configured to control flow of current output from an inductor to an output of the power supply. The switch receives a switching signal from a control circuit. An auxiliary bias is generated to power the control circuit. A bias circuit outputs a bias signal that is used to generate the auxiliary bias. The bias circuit senses a level of the auxiliary bias to control output of the bias signal. Output of the bias signal may be controlled to maintain the level of the auxiliary bias at a target level or within a target range.

Abstract: A programmable gamma circuit for gamma correction is disclosed. The programmable gamma circuit includes a string digital-to-analog converter, a first operational amplifier, and an output resistor string. The string digital-to-analog converter selects an analog voltage from a plurality of candidate voltages according to a digital reference code. An output terminal of the first operational amplifier outputs a first output voltage. A positive input terminal of the first operational amplifier is electrically connected to the string digital-to-analog converter for receiving the analog voltage. The output resistor string is divided into a first resistor part and a second resistor part by a connection terminal which is electrically connected to a negative input terminal of the first operational amplifier, and a resistance of the first resistor part is a multiple of a resistance of the second resistor part.

Abstract: A driving current generation circuit includes a semiconductor device configured to operate with a variable voltage as a reference voltage, a driving current generator configured to generate a driving current for driving an LED (Light Emitting Diode) based on an instruction received from the semiconductor device, and a dimming voltage converter configured to generate a second dimming voltage set based on the variable voltage from a first dimming voltage set based on a ground voltage, wherein the semiconductor device performs a driving control of the driving current generator based on the second dimming voltage.

Abstract: An organic display device includes a pixel driving circuit having a thin film transistor connected to a current supply line and a capacitor. A first insulation layer, with a first electrode thereon, covers a source electrode of the transistor. The first electrode is connected to the transistor through a contact hole in the insulation layer. A second insulation layer including an aperture is formed on the first insulation layer and electrode layers. An organic light emitting layer, with a second electrode thereon is formed in the aperture and connected to the first electrode. The second insulation layer includes an inner wall at the aperture, said inner wall having a surface of a convex plane on an edge of the recessed part of the first electrode. The convex plane is located between the organic light emitting layer and the edge of the first electrode, and the second electrode is formed over plurality of pixels.