Abstract: A pixel circuit of an organic light emitting diode (OLED) display device is provided, which supplies a small current to an organic light emitting diode during stoppage of a display operation. The pixel circuit includes a second driving transistor, which is coupled in parallel with a first driving transistor. A gate control line is used to control the second driving transistor so that a small current can flow into the organic light emitting diode during the stoppage of the display operation. The small current is supplied through the second driving transistor to the organic light emitting diode during the stoppage of the display operation. Thus, the pixel circuit of the OLED display device can reduce or prevent an electric shock applied to the organic light emitting diode at the beginning of the display operation, thereby reducing or preventing deterioration of the characteristics of the organic light emitting diode.

Abstract: The display apparatus has a plurality of arrayed pixel circuits. Each of the pixel circuits has a current light emitting device; a driving transistor supplying current to the current light emitting device; a first capacitor having a first terminal connected with a gate of the driving transistor; a second capacitor connected between a second terminal of the first capacitor and a source of the driving transistor; a first switch applying a reference voltage to a node at which the first capacitor and the second capacitor are connected; a second switch supplying an image signal voltage to the gate of the driving transistor, and a third switch supplying an initialization voltage to the source of the driving transistor.

Abstract: Power consumption required for charging and discharging a source signal line is reduced in an active matrix EL display device. A bipolar transistor (Bi1) has a base terminal B connected to an output terminal c1 of an operational amplifier (OP1), a collector terminal C connected to a low power potential (GND), and an emitter terminal E connected to a resistor R2. A high power potential (VBH) is a potential in synchronization with a high power potential of a light emitting element. A potential of the output terminal c1 of the operational amplifier (OP1) is outputted as a buffer low power potential (VBL). The low power potential (VBL) corresponds to a potential difference between the high power potential (VBH) and a high power potential (V1). Accordingly, the low power potential (VBL) can follow the high power potential (VBH), that is a high power potential of the light emitting element.

Abstract: A display device comprising a transparent substrate, transparent electrodes, light-emitting layers, and reflective electrodes that define light-emitting pixels in which chiplets with pixel driving circuits are connected to pixel connection pads that are connected to the transparent electrode by an opaque electrode connector such that at least a portion of one opaque electrode connector overlaps at least a portion of a transparent electrode to which the opaque electrode connector is not electrically connected. The device provides a display having improved pixel-driving performance and increased light-emitting area.

Abstract: Disclosed herein is a driving method for driving a display apparatus, the display apparatus including: N×M light emitting units; M scan lines; N data lines; a driving circuit provided for each of the light emitting units to serve as a circuit having a signal writing transistor, a device driving transistor, a capacitor and a first switch circuit; and a light emitting device.

Abstract: A display apparatus employs a pixel array section including pixel circuits forming a matrix, signal lines as columns, scan lines as rows and power-supply lines, and driving sections. The driving sections are a signal selector, a write scanner and a drive scanner. The signal selector provides an electric potential representing a gradation or a predetermined reference electric potential. The write scanner provides a control signal. The drive scanner provides a power-supply voltage changing the electric potential from high to low. The drive scanner drives adjacent power-supply lines as a group. The number of lines as a group is determined in advance. The drive scanner switches a power-supply voltage from high to low and vice versa, and applies the voltage to groups by shifting the phase from group to group. The voltage is supplied to a group at the same phase and switched the electric potential.

Abstract: A display device includes an organic EL element and a capacitor. A driving transistor is connected to an anode of the organic EL element and passes a current to the organic EL element. The current corresponds to a voltage held in the capacitor. A first switch is between the capacitor and a data line, and the data line supplies the voltage to the capacitor. A voltage detector is connected to the data line for detecting an anode voltage applied to the organic EL element. A second switch is between the anode and the data line. A controller turns on the first switch, causes the organic EL element to emit light, and causes the voltage detector to detect the anode voltage by turning off the first switch and turning on the second switch while the organic EL element is emitting light.

Abstract: A LED backlight module includes a substrate, a heat-dissipating plate, a LED string and a backlight driving circuit. The LED string includes plural LEDs. The LED string further includes a positive driving terminal, a negative driving terminal and a connecting terminal. A positive output terminal, a negative output terminal and a zero voltage terminal of the backlight driving circuit are respectively connected with the positive driving terminal, the negative driving terminal and the heat-dissipating plate, so that a positive driving voltage and a negative driving voltage are generated by the backlight driving circuit to drive illumination of the LED string. A first number of LEDs of the LED string are electrically connected between the connecting terminal and the positive driving terminal. A second number of LEDs of the LED string are electrically connected between the connecting terminal and the negative driving terminal.

Abstract: A driving apparatus for light-emitting devices includes transistors, data lines connected to gates of the transistors, feedback lines connected to a source or a drain of the transistors that supply a current to the light-emitting devices, a voltage amplifier that includes an input terminal connected to the feedback line and an output terminal connected to the data line, and a data generation circuit connected to the input terminal of the voltage amplifier through a capacitor. The voltage amplifier converts a change in voltage of the feedback line generated by a current flowing from the transistors to the capacitor into a change in voltage of the data line in a direction in which the transistors connected to the data line turn off.

Abstract: The present invention relates to a structure and a method of a pixel and a data driver to measure degradation of an organic light emitting element, and a threshold voltage and mobility of a driving transistor in an organic light emitting device such that degradation of the organic light emitting element and the threshold voltage and mobility of the driving transistor are measured in a turn-on interval of the display device and a data voltage applied to the pixel is amended, and thereby images of improved and uniform quality may be displayed.

Abstract: A display device includes a light emitting element, a first driving transistor coupled to the light emitting element and supplied with a first driving voltage, and a second driving transistor coupled to the light emitting element and the first driving transistor and supplied with a second driving voltage having a magnitude different from the first driving voltage at least for a time. A method of driving the display device is also provided.

Abstract: A method of driving a display device capable of obtaining a luminance of constant level irrespective of temperature change is provided. A change in luminance of an EL element due to temperature change is prevented by controlling the luminance of the EL element with current instead of voltage. Specifically, a TFT for controlling the amount of current flowing into the EL element is operated in a saturation range. Then a current value IDS of the TFT is hardly changed by VDS but is determined solely by VGS. Accordingly, the amount of current flowing in the EL element is kept constant by setting VGS to such a value as to make the current value IDS constant. The luminance of the EL element is substantially in proportion to the amount of current flowing through the EL element, and a change in luminance of the EL element upon temperature change can thus be prevented.

Abstract: A display device comprises a pixel array unit including a plurality of pixels, and power supply lines and a power supply scanner for supplying a power supply voltage switching between first and second potentials to each of the power supply lines, wherein each of the pixels includes a light emitting element, a sampling transistor, a driver transistor, and a holding capacitor. The sampling transistor samples a signal potential to be held in the holding capacitor, the driver transistor receives a supply of a current from the power supply scanner through the power supply line at a first potential and flows a drive current to the light emitting element in accordance with the held signal potential, and the power supply scanner changes the power supply line from the first potential to the second potential before the sampling transistors samples the signal potential.

Abstract: An inspection method for an active-matrix substrate including the scanning lines, the data lines, the pixels disposed in matrix, and the power lines. The pixel includes: an organic EL device; a drive transistor; a capacitor; a selection transistor having a gate connected to the scanning line and connected between the data line and the gate of the drive transistor, and the guard potential transistor having a gate connected to a source of the selection transistor, a source connected to a drain of the selection transistor, and a drain connected to the power line. The inspection method includes: a writing process for writing a charge in the capacitor; a reading process for reading the written charged from the capacitor; and a holding process for holding the charge for a predetermined period from the end of the writing process to the start of the reading process.

Abstract: Provided is an organic EL display device including an array of pixel circuits 10 each having: organic EL element 32; storage capacity 33 that holds a voltage corresponding to an image signal; drive transistor 34 that applies a current corresponding to the voltage of storage capacity 33 to the organic EL element 32; and current switch 35 that either connects or disconnects the drive transistor 34 with the organic EL element 32. The organic EL display device also includes an inter-pixel switch 15 that connects or disconnects a node between organic EL element 32(p, j) and current switch 35(p, j) in one pixel circuit 10(p, j) out of the pair of the pixel circuits 10 that are adjacent to each other, and a node between organic EL element 32(p+1, j) and current switch 35(p+1, j) in the other pixel circuit 10(p+1, j) out of the pair of the pixel circuits 10.

Abstract: An organic light emitting display device according to an embodiment includes a substrate having a plurality of sub-pixels including first, second and third sub-pixels, the first and second sub-pixels disposed along a first direction and the third sub-pixel disposed adjacent to the first and second sub-pixels along a second direction; and a plurality of driving sub-pixels formed on the substrate, each of the driving sub-pixels including at least a driving transistor and a switching unit, wherein each of the driving sub-pixels corresponds to at least two sub-pixels among the plurality of sub-pixels.

Abstract: The present invention discloses an OLED panel for improving the hysteresis effect of TFT without increasing the area of the pixel circuit and at the same time ensuring the opening ratio. Said OLED panel includes a substrate and a pixel unit array formed thereon, the pixel unit array comprises a plurality of pixel units defined by the intersections of scanning lines and data lines, and each unit includes a driving TFT and an OLED, and the driving TFT has a source connected to a high voltage signal terminal in a backboard, a drain connected to an anode of the OLED; a plurality of resetting TFTs is arranged in the peripheral area of the pixel unit array on the substrate, and the resetting TFT has a gate connected a pre-controlling signal terminal, a source connected to a resetting signal terminal, and each resetting TFT corresponds to a data line one-to-one.

Abstract: A display device, including a substrate; an array of pixels arranged in rows and columns forming a light-emitting area over the substrate, each pixel including a first electrode, one or more layers of light-emitting material located over the first electrode, and a second electrode located over the one or more layers of light-emitting material; a first serial buss having a plurality of electrical conductors, each electrical conductor connecting one chiplet in a first set of chiplets to only one other chiplet in the first set in a serial connection, the chiplets being distributed over the substrate in the light-emitting area, each chiplet including one or more store-and-forward circuits for storing and transferring data connected to its corresponding electrical conductor; and a driver circuit in each chiplet for driving at least one pixel in response to data stored in the store-and-forward circuit.

Abstract: An organic light emitting diode display device is provided. The organic light emitting display device includes at least one capacitor, at least one transistor, and an organic light emitting element connected to the capacitor and the transistor. The transistor includes a first structure and a second structure disposed on the first structure with a first insulating layer therebetween. The capacitor includes a first electrode and a second electrode disposed on the first electrode with the insulating layer therebetween. A distance between the first electrode and the second electrode in at least a region, is less than a distance between the first structure and the second structure.

Abstract: A common power line shared by all the pixels allows threshold correction to be performed simultaneously on all the pixels. Video signal lines are set to a second reference potential higher than a reference potential, followed by multi-step threshold correction and video signal writing which are performed in a line sequential manner. Performing the threshold correction immediately before the video signal writing ensures shorter time from the threshold correction to the video signal writing. This suppresses leak currents, providing improved image quality.

Abstract: A semiconductor device includes a plurality of thin film transistors of a single channel formed on an insulating substrate, and a buffer circuit including an outputting stage; a first inputting stage; a second inputting stage; a seventh thin film transistor; and an eighth thin film transistor.

Abstract: Methods for displaying an image on a color display having a target display white point luminance and chromaticity, and including three gamut-defining emitters defining a display gamut and two or more additional emitters which emit light within the display gamut; the method including receiving a three-component input image signal; transforming the three-component input image signal to a five-or-more component drive signal; and providing the drive signal to display an image corresponding to the input image signal. One method provides a reproduced luminance value higher than the sum of the respective luminance values of the three components of the input signal when reproduced with the gamut-defining emitters. Another method provides reduced power in an OLED display including a white-emitting layer with three color filters for gamut-defining emitters and two or more additional color filters for three additional within-gamut emitters.

Abstract: An organic electro-luminescent device package includes an organic electro-luminescent device array substrate, a transparent cover, and a frit. The organic electro-luminescent device array substrate includes a first substrate and a plurality of organic electro-luminescent devices arranged on the first substrate in an array. The transparent cover is disposed over the organic electro-luminescent device array substrate. The transparent cover includes a second substrate and a conductive layer disposed on the second substrate. The organic electro-luminescent devices are located between the first substrate and the second substrate. The frit is disposed between the organic electro-luminescent device array substrate and the transparent cover to surround the organic electro-luminescent devices. The frit is located between the first substrate and a portion of the conductive layer, and the portion of the conductive layer corresponding to the frit is transparent.

Abstract: A display device capable of improving the view angle characteristics without deteriorating the outside light contrast and a display unit using it are provided. The display device includes a first electrode, an organic layer including a light emitting layer and a second electrode sequentially over a substrate, and having a resonator structure in which light generated in the light emitting layer is resonated between a first end and a second end. An end face of the first electrode on the light emitting layer side is the first end having a step shape. A distance adjustment layer that fills in the step shape and has a flat surface on the second electrode side is provided between the first electrode and the second electrode, and thereby the second end is planarized, and an optical distance between the first end and the second end is varied according to the step shape.

Abstract: An organic light emitting diode (OLED) display device and a method for aging the organic light emitting diode (OLED) display device. The OLED display device is constructed with an organic light emitting diode, a scan line for applying a scan signal, a data line for applying a data signal, a driving unit for applying the data signal in response to the scan signal, a driving transistor having a gate terminal electrically connected to the driving unit to supply a driving current to the organic light emitting diode in response to the data signal, and a first reverse bias transistor electrically connected between the gate terminal of the driving transistor and a first reverse bias voltage source.

Abstract: An organic light emitting diode display device comprises: a display panel having a plurality of pixels, each of the pixels comprising: a driving TFT comprising a gate electrode coupled to a first node, a source electrode coupled to a second node, and a drain electrode coupled to a high-potential voltage source; an organic light emitting diode comprising an anode coupled to the second node and a cathode coupled to a low-potential voltage source; a first TFT in response to a scan signal having a first logic level voltage to connect the first node to a data line; a second TFT in response to an emission signal having the first logic level voltage to connect the second node to the third node; a first capacitor coupled between the first node and the third node; and a second capacitor coupled between the third node and a reference voltage source.

Abstract: A display device and a method of driving the same in which moving image blurring is prevented and a contrast ratio is enhanced by providing a light-emitting element, switching transistors, and a driving transistor with driving signals that include specific voltages at predetermined times, so that the light-emitting element does not emit light for an entire frame and the light output is not influenced by a threshold voltage of the driving transistor.

Abstract: An organic light emitting diode display device comprises: a plurality of pixels, wherein each of the pixels comprising: a driving TFT including a gate electrode coupled to a first node, a source electrode coupled to a second node, and a drain electrode coupled to a high-potential voltage source; an organic light emitting diode including an anode coupled to the second node and a cathode coupled to a low-potential voltage source; a first TFT in response to a first scan signal to connect the first node to a data line; a second TFT in response to a second scan signal to connect the first node to a first reference voltage source; a third TFT in response to an emission signal to connect the second node to the third node; and capacitors.

Abstract: Provided is a method of driving a display panel having a charge trap device and an organic light emitting diode (OLED). The charge trap device includes a nanocrystal layer. The nanocrystal layer includes nanocrystals, which are crystallized and dispersed, and a barrier layer, which buries the nanocrystals. When a program voltage is applied, charges are trapped in the nanocrystals, and the OLED emits light at a predetermined luminance with the application of a read voltage. Data signals are sequentially applied to all pixels of the display panel to express desired grayscales. The pixels of the display panel receive the read voltage and emit light at the same time.

Abstract: A pixel circuit having a function of compensating for characteristic variation of an electro-optical element and threshold voltage variation of a transistor is formed from a reduced number of component elements. The pixel circuit includes an electro-optical element, a holding capacitor, a sampling transistor, a drive transistor, a switching transistor, and first and second detection transistors. The sampling transistor samples and supplies an input signal from a signal line so as to be held into the holding capacitor. The driving transistor drives the electro-optical element with current in response to the held signal potential. The first and second detection transistors supply a threshold voltage of the drive transistor into the holding capacitor in order to cancel an influence of the threshold voltage in advance.

Abstract: A display includes a pixel array part with pixels that each have at least one transistor whose conduction state is controlled by a drive signal input to a control terminal, and a scanner including a plurality of buffers that are formed of transistors. The buffers correspond to a pixel arrangement and output a drive signal to the control terminals of the transistors of the pixels. The transistors of the pixels and the transistors of the buffers are formed through irradiation with laser light that is moved for scanning in a predetermined direction and has a predetermined wavelength. The transistors in the buffers are formed in such a way that the channel length direction of the transistors is set parallel to the scan direction of the laser light.

Abstract: A display apparatus includes a plurality of luminescent devices aligned periodically in a row direction and in a column direction, a plurality of pixel circuits aligned periodically in a row direction and in a column direction for supplying an electric current to each of the luminescent devices, a plurality of data lines each connected commonly to the pixel circuits aligned periodically in the column direction for supplying signal currents to these pixel circuits, and a plurality of column-current generating circuits connected to the plurality of data lines respectively for supplying signal currents to corresponding data lines. Each of the column-current generating circuits have a plurality of transistor devices arranged in a distributed manner and including main electrodes respectively connected in parallel and control electrodes commonly connected.

Abstract: A liquid crystal display (LCD) and circuit architecture thereof are proposed. Power signal lines, data signal lines, and control signal lines are mounted on a printed circuit board (PCB) and a thin film substrate. The thin film substrate is connected to a LCD panel by using a COF bonding. These circuits can be transferred onto a conductive glass of the panel and subsequently onto source driver chips of the thin film substrate of the COF. Therefore, a position which needs the least time for power signal lines, data signal lines, and control signal lines to transmit to all of the circuits of the panel on the PCB can be calculated in order to achieve the best design.

Abstract: A light emission control driver includes a first logic unit configured to receive a plurality of clock signals and a first input signal and generate a first output signal; a second logic unit configured to receive a plurality of clock signals and a second input signal and generate a second output signal; and an output controller configured to receive the first output signal, the second output signal, a first control signal, and a second control signal, and generate a light emission control signal. When a driving scheme of a display unit is a simultaneous light emission mode, the light emission control signal is controlled according to driving of the output controller, and, when the driving scheme of the display unit is a progressive light emission mode, the light emission control signal is controlled according to driving of the first logic unit, the second logic unit, and the output controller.

Abstract: Embodiments relate to systems and methods for displaying images using multi-line addressing (MLA) or total matrix addressing (TMA) techniques, with reduced noise. Embodiments of the invention are particularly useful for driving OLED (organic light emitting diode) displays.

Abstract: An OLED display device includes a display area of a substrate to display images; a non-display area surrounding the display area and applying signals to pixels within the display area; a first thin film transistor formed in the non-display area of the substrate; a second thin film transistor formed in the display area of the substrate; a planarization film formed over the first and second thin film transistors; a first electrode formed on the planarization film in the non-display area and formed with at least one first opening; a second electrode formed on the planarization film and connected to a electrode of the second thin film transistor; a bank pattern formed on the second electrode and the first electrode and exposing a part of the second electrode. The bank pattern is adjacent to the first electrode.

Abstract: An organic light-emitting display device which may widen a swing range of a green sub-pixel. In the organic light-emitting display device, from among red, green, and blue sub-pixels, an overlapping area of material layers forming a thin film transistor, a boost capacitor and/or a storage capacitor of the green sub-pixel is greater than an overlapping area of the same material layers forming a thin film transistor, a boost capacitor and/or a storage capacitor of the red and blue sub-pixels. Accordingly, since a swing range of the green sub-pixel having relatively high light-emitting efficiency is widened, more accurate gradation may be displayed, a reliable product may be realized, a brightness variation of the organic light-emitting display device may be reduced, and the risk of poor image quality may be reduced.

Abstract: After a sampling transistor is turned ON at a first timing when a control signal has risen, during a sampling period from a second timing when a video signal has risen from a reference potential to a signal potential to a third timing when the control signal has fallen and is turned OFF, the sampling transistor samples and writes the signal potential in a holding capacitance, and negatively feeds back a current flowing into a drive transistor during the sampling period to the holding capacitance and applies mobility correction of the drive transistor on the written signal potential. A signal driver adjusts the second timing for the video signal supplied to respective signal lines to correct a backward shift of the third timing due to a transmission delay along a scanning line of the control signal output from the control scanner.

Abstract: An active matrix display panel comprises a substrate, an array of pixel circuits being arranged in a matrix of at least one column and a plurality of rows on the substrate, each pixel circuit comprising a light-emitting element, capable of emitting light of an intensity determined by the value of a current passed through it, and at least one column line, each column line arranged to conduct a reference current, provided by a current driving circuit, when connected to the panel. The pixel circuits in a column are divided into a plurality of groups of at least one pixel circuit. The active matrix display panel comprises at least one current mirror circuit associated with a first group, comprising a first current mirror, arranged to mirror a reference current flowing through a column line to a first current mirror output.

Abstract: A pixel includes an organic light emitting diode (OLED) having a cathode electrode coupled to a second power source, a second transistor coupled to a data line and a first scan line, a first transistor coupled between a second electrode of the second transistor and an anode electrode of the OLED, a third transistor coupled between a gate electrode and a second electrode of the first transistor, a fourth transistor coupled between the gate electrode of the first transistor and an initialization power source, a fifth transistor coupled between a first electrode of the first transistor and a first power source, a first capacitor coupled between the gate electrode of the first transistor and the first power source, and a second capacitor coupled between the gate electrode and the first electrode of the first transistor.

Abstract: Disclosed herein is a display panel based on active matrix driving having a display area made up of N pixel control lines, M video signal lines orthogonally intersecting the N pixel control lines, and pixel circuits arranged at intersections between the N pixel control lines and M video signal lines, wherein positional identification patterns are arranged on every k (k being a natural number) pixel control lines inside each of the pixel circuits.

Abstract: An organic light emitting display device includes a display unit including a plurality of data lines, a plurality of scan lines, and pixels at crossing regions of the data lines and scan lines, wherein the plurality of data lines are arranged into a plurality of groups; a data driver for supplying data signals to the data lines; a first demultiplexer at a first side of the display unit for associating the groups to first corresponding output channels of the data driver, and for coupling the output channels to the data lines in the first corresponding groups in accordance with control signals; a second demultiplexer at a second side of the display unit opposite the first side for associating the groups to second corresponding output channels of the data driver, and for coupling the output channels to the data lines in the second corresponding groups in accordance with the control signals.

Abstract: A display device includes: a pixel array unit having pixels including a circuit configuration, in which a first electrode of an electro-optical element and a source electrode of a driving transistor are connected together, a gate electrode of the driving transistor and a source electrode or a drain electrode of a writing transistor are connected together, a holding capacitor is connected between the gate electrode and the source electrode, and an auxiliary capacitor is connected between the first electrode and a second electrode, disposed in a matrix shape. A signal line used for transmitting a video signal is disposed between adjacent pixels, and from one pixel of adjacent pixels to an area of the other pixel, the auxiliary capacitor of the one pixel is set to be disposed. One electrode of the auxiliary capacitor disposed on the signal line side is conductive with the second electrode of the electro-optical element.

Abstract: A display device capable of improving the view angle characteristics without deteriorating the outside light contrast and a display unit using it are provided. The display device includes a first electrode, an organic layer including a light emitting lay and a second electrode sequentially over a substrate, and having a resonator structure in which light generated in the light emitting layer is resonated between a first end and a second end. An end face of the first electrode on the light emitting layer side is the first end having a step shape. A distance adjustment layer that fills in the step shape and has a flat surface on the second electrode side is provided between the first electrode and the second electrode, and thereby the second end is planarized, and an optical distance between the first end and the second end is varied according to the step shape.

Abstract: An organic light emitting device, according to an exemplary embodiment of the present invention, includes a thin film transistor array panel including a pixel electrode, an organic light emitting member formed on the pixel electrode, a common electrode formed on the organic light emitting member, and a storage capacitor including a first conductive layer and a second conductive layer overlapping each other via the organic light emitting member. The first conductive layer may be formed with the same layer as the pixel electrode, and the second conductive layer may be formed with the same layer as the common electrode.

Abstract: An object of the present invention is to decrease the resistance of a power supply line, to suppress a voltage drop in the power supply line, and to prevent defective display. A connection terminal portion includes a plurality of connection terminals. The plurality of connection terminals is provided with a plurality of connection pads which is part of the connection terminal. The plurality of connection pads includes a first connection pad and a second connection pad having a line width different from that of the first connection pad. Pitches between the plurality of connection pads are equal to each other.

Abstract: A pixel including: an organic light emitting diode for emitting light in accordance with a received driving current; a first transistor including a gate for receiving a voltage corresponding to a data signal, the first transistor being for transferring the driving current in a direction from a source of the first transistor to a drain of the first transistor; a second transistor for transferring the data signal in accordance with a scan signal; a first capacitor for storing a voltage corresponding to the data signal and for applying the voltage corresponding to the data signal to the gate of the first transistor; and a second capacitor for controlling the voltage stored in the first capacitor, wherein an outside portion of the first capacitor has a plurality of bents.

Abstract: An organic light emitting diode display, including pixel circuits coupled to respective data lines and scan lines, a data driver configured to supply data signals to the data lines, and a scan driver configured to provide scan signals to the scan lines, wherein the scan driver includes at least one decoder including a plurality of NOR gates, the decoder configured to provide a first plurality of signals, and a plurality of NAND gates coupled to respective scan lines, the NAND gates being configured to perform a NAND operation on the first plurality of signals and to provide scan signals to the scan lines, wherein all transistors in each of the NOR gates and each of the NAND gates are a same type of MOS transistor.

Abstract: To provide an electro-optical device and an electronic apparatus capable of maintaining the display quality by preventing brightness unevenness without widening a frame in a mounting terminal portion connection portions connecting to a fourth power source bus line are provided in two places. Driving current is supplied from the connection portions to the fourth power source bus line. The width of the fourth power source bus line is smaller than that of the width of a power source bus line supplying driving current from one place of the mounting terminal portion.

Abstract: Disclosed herein is a pixel circuit that includes a correcting section configured to correct the input voltage sampled in the pixel capacitance in order to cancel out the dependency of the output current on the carrier mobility. In the pixel circuit, the correcting section operates depending on the control signal supplied from the scanning line to extract the output current from the drive transistor and introduce the extracted output current into a capacitance of the light-emitting device and the pixel capacitance, thereby correcting the input voltage. The pixel circuit further includes an additional capacitance added to the capacitance of the light-emitting device. In the pixel circuit, a portion of the output current extracted from the drive transistor flows into the additional capacitance to give a time margin to operation of the correcting section.