Abstract: An organic light emitting display (OLED) device includes an organic light emitting diode having an anode and a cathode. The organic light emitting diode is configured to receive a reference voltage. A control transistor includes a first control electrode and a first semiconductor active layer. The control transistor is configured to receive a control signal. A driving transistor includes a second control electrode that is electrically connected to the control transistor, an input electrode that is configured to receive a power voltage, an output electrode that is electrically connected to the anode of the organic light emitting diode, and a second semiconductor active layer that includes a different material from that of the first semiconductor active layer. A shielding electrode is disposed on the second semiconductor active layer, overlapping the driving transistor, and configured to receive the power voltage.

Abstract: A computer implemented method (500) of generating a virtual representation (110) of a linear lighting device (120) is disclosed.

Abstract: A semiconductor device includes a substrate having an insulating surface; a light-transmitting first electrode provided over the substrate; a light-transmitting second electrode provided over the substrate; a light-transmitting semiconductor layer provided so as to be electrically connected to the first electrode and the second electrode; a first wiring electrically connected to the first electrode; an insulating layer provided so as to cover at least the semiconductor layer; a light-transmitting third electrode provided over the insulating layer in a region overlapping with the semiconductor layer; and a second wiring electrically connected to the third electrode.

Abstract: A technique for improving the spatial and/or temporal uniformity of a light-emitting display by providing a faster calibration of reference current sources and reducing the noise effect by improving the dynamic range, despite instability and non-uniformity of the transistor devices. A calibration circuit for a display panel having an active area having a plurality of light emitting devices arranged on a substrate, and a peripheral area of the display panel separate from the active area is provided. The calibration circuit includes a first row of calibration current source or sink circuits and a second row of calibration current source or sink circuits. A first calibration control line is configured to cause the first row of calibration current source or sink circuits to calibrate the display panel with a bias current while the second row of calibration current source or sink circuits is being calibrated by a reference current.

Abstract: A pixel driving circuit is provided, comprising: a current control circuit configured to provide a constant current signal and an activation signal, a current switching circuit configured to control the transmission of the constant current signal to a light-emitting device under the control of the activation signal, and a grounding control circuit configured to control the current control circuit to provide the constant current signal and the activation signal. An input terminal of the current control circuit is connected to a data line and a power line, respectively. A control terminal of the current switching circuit is connected to an output terminal of the current control circuit, an input terminal of the current switching circuit is connected to the input terminal of the current control circuit, and an output terminal of the current switching circuit s connected to an input terminal of the light-emitting device.

Abstract: A pixel driving circuit, a driving method thereof and an OLED display panel are provided. A plurality of scanning lines and a plurality of data lines of the pixel driving circuit intersect to define a plurality of pixel units, the plurality of pixel units in each row are connected to a corresponding scanning line and a corresponding power line, the plurality of pixel units in each column are connected to a corresponding data line, in a scanning period, scanning signal is input to an end of the scanning line to drive the plurality of pixel units along a first direction, power driving signal is input to an end of the power line opposite to the end of the scanning line to which the scanning signal is input to drive the plurality of pixel units along a second direction, the first direction and the second direction are opposite.

Abstract: A pixel circuit, a method for driving the same, a display panel, and a display device are provided. The pixel circuit includes: a drive controlling sub-circuit, a data writing sub-circuit, a light-emission controlling sub-circuit, a first resetting sub-circuit, a second resetting sub-circuit, a charging sub-circuit, a capacitor sub-circuit, and a light-emitting element; and the respective sub-circuits cooperate in operation so that charges in the drive controlling sub-circuit in the pixel circuit can be reset, and driving current of the drive controlling sub-circuit to drive the light-emitting element to emit light can be made dependent upon the voltage of a data signal, and independent of threshold voltage of the drive controlling sub-circuit.

Abstract: A compensation pixel circuit, a display panel, a display apparatus, a regional compensation method and a driving method are provided. The compensation pixel circuit includes a compensation driving circuit and a signal acquiring circuit connected with the compensation driving circuit. The compensation driving circuit includes a driving transistor and an organic light-emitting diode. The compensation driving circuit is configured to receive a light-emitting data signal, compensate a threshold voltage of the driving transistor, and drive the organic light-emitting diode to illuminate in accordance with the light-emitting data signal. The signal acquiring circuit is configured to acquire a gate voltage of the driving transistor.

Abstract: A display device includes a display panel that includes a display area and a non-display area which is adjacent to the display area. The display panel includes: a plurality of data lines in the display area; a data connection line provided in plurality through which data signals are transmitted to the display area from outside the display panel, the data connection lines electrically connected to the data lines in the display area; dummy semiconductor patterns respectively disposed between the substrate and the data connection lines; and a first insulating layer disposed between the dummy semiconductor patterns and the data connection lines. Each of the dummy semiconductor patterns include semiconductor pattern segments arranged between the substrate and a same data connection line among the data connection lines, and the semiconductor pattern segments are arranged separated from each other along the same data connection line in a top plan view.

Abstract: Electronic devices may include displays having organic light-emitting diode pixels, display driver circuitry, and gate driver circuitry. To reduce the amount of space occupied in the inactive area of a display by the gate driver circuitry, one or more of the shift registers in the gate driver circuitry may include register circuits that are shared by multiple rows of pixels. Different drivers may use different clock frequencies to ensure synchronous operation of the display even when some register circuits share pixel rows. For increased flexibility in the arrangement of the register circuits in the shift registers, one or more of the shift registers may be split across the active area of the display. In some cases, one of the emission drivers may be omitted from the gate driver circuitry and a single emission driver may provide multiple emission control signals for the pixels.

Abstract: A display apparatus includes a flexible substrate and a first insulation layer disposed on the flexible substrate. The flexible substrate includes a bending area. The first insulation layer includes a first unevenness disposed over the bending area. The first unevenness includes two or more steps in at least a portion of the first unevenness.

Abstract: An organic light emitting display device includes a display panel and a deterioration compensation unit. The display panel comprises a plurality of unit pixels each comprising at least three sub-pixels corresponding to different colors and an organic light emitting diode. The deterioration compensation unit generates deterioration estimation data of each of the sub-pixels based on cumulative data of each of the sub-pixels, generates first and second temperature deterioration data based on display temperature data corresponding to temperature of the organic light emitting display device, calculates an individual compensation gain corresponding to each of the sub-pixels based on the deterioration estimation data and the first and second temperature deterioration data, and corrects input data of each of the sub-pixels based on the individual compensation gain of each of the sub-pixels.

Abstract: A display device includes: first and second pixel regions, wherein the display device displays an effective image in the first and second pixel regions, corresponding to a first mode, and displays an effective image in the second pixel region, corresponding to a second mode; first pixels and first scan lines in the first pixel region; second pixels and second scan lines in the second pixel region; a first scan driver comprising first scan stages configured to drive at least some of the first scan lines; a second scan driver comprising second scan stages configured to drive the second scan lines; and a timing controller configured to supply first and second start signals to the first and second scan drivers, wherein, when the display device is driven in the second mode, a width of the second start signal is set wider than a width of the first start signal.

Abstract: The invention provides an alternative liquid crystal and light emitting display which include at least one Transparent Conductive Oxide layers which comprises a zinc oxide doped with a group III, IV, V, or transition metal dopant, and sputtered from a sputtering target. In a further embodiment, this Transparent Conductive Oxide layer can optionally include a layer of a patternable TCO, such as ITO.

Abstract: An OLED driving circuit, an array substrate and a display device are provided. The OLED driving circuit includes a plurality of driving TFTs and a plurality of sense TFTs. Each sense TFT is configured to compensate for a threshold voltage of the respective driving TFT. Each sense TFT corresponds to a respective one of the driving TFTs, a source electrode of each sense TFT is connected to a sense line, and a drain electrode thereof is connected to a drain electrode of the respective driving TFT. The plurality of sense TFTs is divided into a plurality of groups, each group includes at least two sense TFTs which share a same gate electrode and a same source electrode and are connected to a same sense line.

Abstract: Methods and systems to dynamically adjust a voltage supply of a display are provided. Systems are provided to receive a digital data input indicative of an amount of luminance to be emitted from the display, to determine a desired supply voltage to supply to the display based on the received digital data, and to adjust an adjustable voltage supply according to the determined desired supply voltage. Furthermore, the methods and systems disclosed herein provide for dynamically separately controlling supply voltages supplied to distinct subsections of the display. Systems and methods are also provided for operating a display device in an idle mode by turning off subsections of the display that would otherwise be shown dark and thereby save energy required to program the subsections with display information.

Abstract: A pixel circuit, a pixel, and an AMOLED (Active Matrix Organic Light-Emitting Diode) display device comprising the pixel and a driving method thereof. The pixel circuit comprises a power supply circuit, a basic circuit and a compensation circuit, which are sequentially connected. The power supply circuit is connected to a first power supply to supply power to the basis circuit. The compensation circuit is connected to second and third power supplies, respectively, for providing difference values compensating for a voltage and current of an OLED (Organic Light-Emitting Diode). The pixel comprises an OLED and the pixel circuit. The AMOLED display device comprises the pixel circuit. By compensating for a difference between threshold and power supply voltages of a transistor, the response characteristics of the AMOLED may be improved to generate light of a same brightness, thereby meeting requirements on image uniformity and consistency of an AMOLED.

Abstract: Disclosed are a method for driving a pixel circuit, a display panel and a display device. The pixel circuit includes: a data write module, a drive transistor, a hold module and a light-emitting element. The method comprises, in a time period for a frame of display: a data writing stage in which a data signal is written by the data write module into a gate electrode of the drive transistor; a light-emitting stage in which a voltage on the gate electrode of the drive transistor is held by the hold module, the drive transistor supplies a drive current to the light-emitting element, and the light-emitting element emits light in response to the drive current; and a cut-off stage in which the drive transistor operates in a full cut-off region.

Abstract: A method for processing at least one peripheral image that when displayed extends beyond the borders of a displayed central image is disclosed. The method includes adapting luminance of the peripheral image to human vision characteristics when the luminance of peripheral images is processed so that the rendered light from the peripheral image in the viewer field of view remains low and close to the light rendered by the central view only. According to a first embodiment, the method includes adapting luminance of the peripheral image to a reference reflectance level by applying a light correction function to the input luminance when such light correction function is obtained by measuring a rendered luminance level of the displayed peripheral image adapted to the reference reflectance level of the surface where is displayed the peripheral image. According to a second embodiment, the luminance is further adapted to real reflectance with respect to reference reflectance.

Abstract: The present disclosure relates to a power supply device for a display panel, a manufacturing method, a power supplying method, and a display device. The power supply device may include: a first line surrounding the display panel and electrically connected to sub-pixels of the display panel; at least one first power supply terminal disposed at a first side of the display panel and connected to a first line segment of the first line located at the first side of the display panel; at least one second power supply terminal connected to a second line segment of the first line located at a second side of the display panel to compensate for a voltage drop of the first power supply terminal on the first line. The first side and the second side of the display panel are opposite sides of the display panel.

Abstract: A display panel, a method for driving the same and a display device are provided. Each pixel element includes an infrared detector, a light-emitting element and a first control unit, the infrared detector includes a first electrode, an infrared-sensitive layer and a second electrode, and the light-emitting element includes a pixel circuit, a third electrode, a light-emitting function layer and a fourth electrode. The second electrode is electrically connected with the third electrode, the first electrode is connected with the fourth electrode through the first control unit, and the first control unit is configured to connect the first electrode with the fourth electrode in an infrared detection mode, and to disconnect the first electrode from the fourth electrode in a display mode.

Abstract: OLED elements and a seal portion covering the OLED elements are provided on an upper side of a base substrate. The seal portion includes a light-transmitting conductive film.

Abstract: The present disclosure provides a pixel including a first transistor, a second transistor, a third transistor, a fourth transistor, a capacitor, and an OLED; the second transistor and the third transistor are turned on in the first period to charge the capacitor with a data current, until the current flowing through the second transistor is 0 and the current flowing through the first transistor is the data current, the capacitor stores a voltage corresponding to the data current; the fourth transistor is turned on in the second period to cause the OLED to emit light, and the voltage stored by the capacitor corresponding to the data current causes the current flowing through the OLED to coincide with the current flowing through the first transistor in the first period. The present disclosure can make the current flowing through the OLED not change with the threshold voltage of the driving transistor.

Abstract: A detector, includes a plurality of photomultiplier tubes each having an anode configured to generate an anode output signal and a frequency domain detector interface including a plurality of frequency domain coupling circuits. Each of the plurality of frequency domain coupling circuits is configured to receive the anode output signal from one of the plurality of photomultiplier tubes and pickoff one of a high-frequency component or a low-frequency component. Each of the plurality of frequency domain coupling circuits is further configured to generate a pass-through signal comprising a first of the high-frequency component or the low-frequency component.

Abstract: An electroluminescence display device according to an embodiment includes a plurality of sub-pixels. Each of the plurality of sub-pixels includes a Node-A electrically connected to an electrode of a storage capacitor and a gate electrode of a P-type driving transistor, an N-type switching transistor configured to switch an electrical connection between a Node-B electrically connected to a data line and the Node-A, a Node-C configured to supply ELVDD voltage and electrically connected to another electrode of the storage capacitor and a first electrode of the P-type driving transistor, a Node-D configured to supply current to an electroluminescence diode and electrically connected to a second electrode of the P-type driving transistor, and a first transistor configured to switch an electrical connection between the Node-A and the Node-D.

Abstract: An integrated display module and an ultra-slim display device are disclosed. The display device includes a display panel, a light guide plate located below the display panel, and a back cover located below the light guide plate. The light guide plate is directly connected to the display panel using a first bonding material in a top direction and is directly connected to the back cover using a second bonding material in a bottom direction. The display device has a small bezel width and a small thickness.

Abstract: According to one embodiment, a display device includes a liquid crystal panel including a pair of substrates opposed to each other, a liquid crystal layer between the substrates, and a first electrode portion on at least one of the substrates, a backlight device including an optical member and a second electrode portion opposed to the first electrode portion, and an adhesive member between the liquid crystal panel and the backlight device to fix the backlight device to the liquid crystal panel. The adhesive member includes a first base, adhesive layers on both surfaces of the first base, a second base on the first base via one of the adhesive layers, and an adhesive layer on the second base.

Abstract: The present disclosure relates to a pixel compensation circuit and display device. The circuit includes: first to fifth switching elements, a storage capacitor, and a driving element. Each of the first to fifth switching elements and the driving element has a control terminal, a first terminal and a second terminal. The storage capacitor has first and second terminals. The control terminals of the first and second switching elements are coupled to an output terminal for outputting an n-th gate driving signal, the control terminals of the third and fourth switching elements are coupled to an output terminal for outputting an enabling signal, the control terminal of the fifth switching element is coupled to an output terminal for outputting an (n?1)-th gate driving signal, the control terminal of the driving element is coupled to the second node, and the storage capacitor is coupled between the first and second nodes.

Abstract: A display system in which the luminance of light-emitting elements in a light-emitting device is adjusted based on information on an environment. A sensor obtains information on an environment as an electrical signal. A CPU converts, based on comparison data set in advance, the information signal into a correction signal for correcting the luminance of EL elements. Upon receiving this correction signal, a voltage changer applies a predetermined corrected potential to the EL elements. Thus, this display system enables control of the luminance of the EL elements.

Abstract: The present disclosure provides a method and system for repairing a short circuit defect in a display panel. The method comprises: connecting two terminals of an external repair power supply to a first test point and a second test point respectively, wherein there is a short circuit defect in a line between the first test point and the second test point; and adjusting an input voltage of the external repair power supply to fuse the short circuited line between the first test point and the second test point. With the method for repairing a short circuit defect in a display panel according to the present disclosure, the short circuit defect in the display panel can be repaired without providing a repair line in the display panel.

Abstract: A film having a plurality of lighting devices thereon is transferred between a film supplying roll and a film collecting roll, and an organic light emitting layer and a second electrode are formed on the film being transferred from a deposition unit. An aging unit is provided on a rear end of the deposition unit, and applies an aging voltage to the film transferred after the organic light emitting layer is deposited by the deposition unit, thereby aging the organic light emitting layer.

Abstract: A pixel includes a storage capacitor connected between a first power line and a first node, a first transistor configured to control current flowing from a second node to a third node in response to a voltage of the first node, a second transistor configured to apply a data signal to the second node in response to a scan signal, a third transistor configured to connect the first node and the third node in response to the scan signal, a fourth transistor configured to connect the first power line and the second node in response to a control signal, and an organic light-emitting diode connected between the third node and a second power line. A level of a voltage applied to the second power line during an initialization period is greater than the level of the voltage applied to the second power line during an emission period.

Abstract: An organic light emitting display panel includes a first sub-pixel, a second sub-pixel, and a third sub-pixel for respectively emitting differently colored lights, each of the sub-pixels including a switching transistor connected to a data line, and having a gate electrode configured to receive a scan signal, a driving transistor connected to the switching transistor, an emission control transistor connected to the driving transistor, and having a gate electrode configured to receive an emission control signal, an emission control line connected to the gate electrode of the emission control transistor, an organic light emitting diode connected the emission control transistor, and coupling capacitor including a first electrode including a portion of the emission control line, and a second electrode including an anode of the organic light emitting diode overlapping the portion of the emission control line, wherein capacitances of a first capacitor including the coupling capacitor of the first sub-pixel and a se

Abstract: A photonic conversion device is provided, comprising a photoactive layer, a dielectric layer, a porous conductor layer, and an electron transport layer in contact with the porous conductor layer. A light emitting device may be in contact with the electron transport layer, forming a conversion device with gain. A method of manufacturing a photonic conversion device may also be provided, comprising forming a photoactive layer, forming a dielectric layer over the photoactive layer, and depositing a conductor layer in contact with the dielectric layer, wherein one or more regions of the dielectric layer are masked during deposition such that the conductor layer includes a plurality of pores that extend through the conductor layer.

Abstract: The disclosure relates to display panel and electroluminescence display using the same. The display panel includes: a sub-pixel, which comprises a light-emitting element and a driving element for driving the light-emitting element, the light-emitting element emitting light by a current in the driving element during a driving phase; and a power switching circuit configured to supply a first driving voltage to the sub-pixel during the driving phase in an active period and a blanking interval, and supply a second driving voltage to the sub-pixel during a data writing phase of the active period and during resetting, sensing, and data writing phases of the blanking interval.

Abstract: The present invention provides a display device and a method of driving the same.

Abstract: A pixel circuit for a display device includes a drive transistor configured to control an amount of current to a light-emitting device depending upon a voltage applied to a gate of the drive transistor; a second transistor connected to the gate of the drive transistor and a second terminal of the drive transistor, such that when the second transistor is in an on state the drive transistor becomes diode-connected such that the gate and the second terminal of the drive transistor are connected through the second transistor; a light-emitting device that is connected at a first node to a third terminal of the drive transistor and at a second node to a first voltage supply; a third transistor connected to the first node of the light-emitting device, which connects a data voltage to the first node of the light-emitting device; a fourth transistor that is connected between the second terminal of the drive transistor and a second voltage supply; and at least one capacitor having a first plate that is connected to the

Abstract: A display unit including a first substrate and a second substrate that are disposed to face each other, a first organic insulating layer on the first substrate, a plurality of light-emitting elements arrayed in a display region, the display region on the first organic insulating layer and facing the second substrate and a first moisture-proof film covering the first organic insulating layer in a peripheral region, in which the peripheral region is provided on the first substrate and surrounds the display region.

Abstract: The invention discloses an acousto-optic audio signal cable which includes an audio wire cluster, at least one LED marquee light wire or at least one illuminating line parallel or spiral twining around outside or external wall of the audio wire cluster and an acousto-optic controller. The audio wire cluster and the LED marquee light wires form a cluster which is coated by a transparent insulating layer. A main circuit board of the acousto-optic controller includes a sampling amplifier circuit component, an analog-digital conversion circuit component, a microprocessor and an output driver sequentially connected. The audio wire cluster is connected to the input end of the sampling amplifier circuit component. The LED marquee light wires are connected to the output driver. The acousto-optic audio signal cable is simple in structure, convenient to operate, dynamic, fashionable and capable of synchronously flickering light during tone and rhythm changes of instrumental performances and speeches.

Abstract: An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which the organic layer includes a compound represented by the following general formula (1), has high luminous efficiency, excellent blue color purity, and a small change in the chromaticity due to deterioration by driving, wherein Cy, Dn1, Ac1, L1, L2, L3, ring Z1, u1, q1, n1, m1, A11, and A12 are as defined herein.

Abstract: A display device includes a data driver connected to j- and (j+1)-th data lines, a scan driver connected to i- and (i+1)-th scan lines, and a display panel including k- and (k+1)-th pixel units. The k-th pixel unit includes an i-th transistor with a gate electrode connected to the i-th scan line, a first electrode connected to the j-th data line, and a second electrode connected to an i-th pixel electrode. The (k+1)-th pixel unit includes an (i+1)-th transistor having a gate electrode connected to the (i+1)-th scan line, a first electrode connected to the j-th data line, and a second electrode connected to an (i+1)-th pixel electrode. The i- and (i+1)-th transistors are turned on at a same time, and a kickback voltage of the i-th transistor is less than a kickback voltage of the (i+1)-th transistor.

Abstract: An LED driving circuit for illuminating a first LED unit is provided. The LED driving circuit includes: a data latch circuit, a current source, and a PWM circuit. The data latch circuit latches a data signal according to a first latch signal to generate a first control signal. The current source generates a constant current. The PWM circuit periodically passes the constant current through the first LED unit according to the first control signal and an enable signal.

Abstract: The disclosure provides a pixel circuit including a reset module, a data write module, a storage module, a compensation and hold module, a drive module, and a light emitting device. The reset module is connected to the storage module and the light emitting device. The data write module is connected to the drive module. The compensation and hold module is connected to the drive module and the storage module. The storage module is connected to the drive module. The drive module is connected to the light emitting device.

Abstract: A display apparatus includes a display including a plurality of display modules, a display driver including a plurality of driving modules respectively connected to the plurality of display modules, a storage storing current information concerning a plurality of display modules, and a processor calculating a peak luminance level of each of a plurality of display modules based on individual power consumptions of each of a plurality of display modules and controlling a plurality of driving modules using the current information stored in the storage based on the calculated peak luminance level.

Abstract: The present invention comprises: a step of applying a liquid composition for forming a PZT ferroelectric film; a step of drying the film applied with the liquid composition; a step of irradiating UV rays onto the dried film at a temperature of 150 to 200° C. in an oxygen-containing atmosphere; and after the application step, the drying step, and the UV irradiation step once, or more times, a step of firing for crystallizing a precursor film of the UV-irradiated ferroelectric film by raising a temperature with a rate of 0.5° C./second or higher in an oxygen-containing atmosphere or by raising a temperature with a rate of 0.2° C./second or higher in a non-oxygen containing atmosphere, followed by keeping the temperature at 400 to 500° C. An amount of liquid composition is set such that thickness of the ferroelectric film be 150 nm or more for each application and ozone is supplied during UV irradiation.

Abstract: A reconfigurable messaging assembly for a vehicle includes a low power bi-stable display attached to the vehicle for displaying an image, text, or video. A processor and a storage device are coupled with the display. A communicator including transceivers for WiFi, Bluetooth, and NFC is connected to the display for communicating with a portable electronic device. An interface device including a camera and a touchscreen both disposed on the vehicle is also coupled with the display and the processor for interacting with a primary user and a secondary user and for acquiring the images, text, and videos. The interface device is operatively connected to the communicator for interacting with a primary user and a secondary user. The assembly enables a primary user and a secondary user to show an image, text, or video using the display and to provide interaction with the primary user and the secondary user.

Abstract: In an example, a device for controlling an electronic switch between a power supply and a load includes a first device pin configured to be in communication with the electronic switch, a sensing circuit configured to be connected to an input voltage and to measure a current to the load, a control circuit configured to be in communication with the sensing circuit and the electronic switch, the control circuit configured to use a current limit signal to control operation of the electronic switch, and a current limit circuit configured to be in communication with the control circuit, the current limit circuit configured to generate the current limit signal representing a current limit and automatically adjust the current limit signal in response to a change in at least one of the input voltage and an output voltage.

Abstract: A method of prolonging a lifetime of a display includes monitoring a display time period of a displaying image; determine whether the display time period of the display image is not less than a predetermined time period; and lowering a resolution of the displaying image if the display time period of the display image is not less than the predetermined time period. A display is also provided. By using the display and the method of prolonging lifetime of the display according to the present embodiment, the requirement energy of displaying image is greatly reduced, thereby saving cost. In addition, all of the pixels are alternately applied to data voltage to display during displaying frames. Accordingly, a lifetime of each of pixels and the display are prolonged.

Abstract: An organic light-emitting display device includes a substrate; a switching thin-film transistor on the substrate; a driving thin-film transistor connected to the switching thin-film transistor; and a light-emitting element connected to the driving thin-film transistor, wherein the switching thin-film transistor and the driving thin-film transistor together include: a lower conductive layer on the substrate; an insulation layer having therein a contact hole configured to expose the lower conductive layer; an upper conductive layer connected to the lower conductive layer through the contact hole; and a mask conductive layer between an upper surface of the insulation layer and the upper conductive layer to overlap the upper conductive layer.

Abstract: An organic light emitting display device includes a plurality of pixel columns, a first data wiring, a second data wiring, and a power supply wiring. The pixel columns include pixels repeatedly arranged in a first direction, and the pixel columns are repeatedly arranged in a second direction. The first and second directions are substantially perpendicular to each other. The first data wiring extends in the first direction and is connected to the pixels in an even row. The second data wiring extends in the first direction and are connected to the pixels in an odd row. The power supply wiring extends in the first direction between the first and second data wirings.