Abstract: Provided are a scan driver and a display device including the same. The scan driver includes a first power line configured to supply a first voltage signal, a second power line configured to supply a second voltage signal having a lower voltage level than the first voltage signal, a pull-up transistor configured to output a corresponding clock signal, among multiple clock signals, as a scan signal in response to a logic state of a first node, a pull-down transistor configured to output the second voltage signal from the second power line as the scan signal in response to a logic state of a second node, and a first light-blocking film overlapping the pull-up transistor or the pull-down transistor, and configured to receive the second voltage signal from the second power line and the first voltage signal from the first power line.

Abstract: The disclosure relates to a stage and a scan driver including the stage. The stage is connected to each of scan lines and supplies a scan signal and a sensing signal to the scan lines. The stage includes an input unit configured to control voltages of a first node and a second node based on a first control signal and a previous stage carry signal, and an output buffer including an eleventh node and a twelfth node electrically connected to the first node and the second node, respectively, in response to a second control signal, and configured to output a carry signal and the scan signal in response to a scan clock signal according to voltages of the eleventh node and the twelfth node and to output the sensing signal in response to a sensing clock signal.

Abstract: Disclosed is a non-magnetic austenitic stainless steel with improved strength and surface conductivity. An austenitic stainless steel according to an embodiment of the present disclosure includes, in percent (%) by weight of the entire composition, C: 0.07 to 0.2%, N: 0.15 to 0.4%, Si: 0.8 to 2%, Mn: 16 to 22%, S: 0.01% or less (excluding 0), Cr: 12.5 to 20%, Cu: 1 to 3%, the remainder of iron (Fe) and other inevitable impurities, and satisfies the following equation (1). Ni+0.65Cr+1.05Mn+0.35Si+12.6C+33.6N?40??(1) Ni, Cr, Mn, Si, C, N are % by weight of each element.

Abstract: A display device includes a gate driver for applying scan signals and including a plurality of gate driving circuit blocks, and a data driver for applying a data voltage to data lines, wherein the gate driving circuit blocks respectively output a carry signal to be transmitted to a first input terminal of a subsequent gate driving circuit block based on a signal applied to a first control node through a first input terminal and a carry clock signal input to a carry clock input terminal, output a scan signal to a first scan line based on the signal applied to the first control node and a scan clock signal input to a first scan clock input terminal, and output a scan signal to a second scan line based on the signal applied to the first control node and a scan clock signal input to a second scan clock input terminal.

Abstract: Provided are stainless steel for a separator of a polymer electrolyte membrane fuel cell, which exhibits enhanced hydrophilicity and enhanced corrosion resistance, and a method of manufacturing the same. In the stainless steel for a separator of a polymer electrolyte membrane fuel cell, which exhibits enhanced hydrophilicity and enhanced corrosion resistance, according to an embodiment of the present invention, a ratio of Cr hydroxide/Cr oxide included in a passivation film of the stainless steel ranges from 0.5 to 1.7, and the passivation film has a contact angle (?) of 70° or less. Thus, not only corrosion resistance may be enhanced by removing a non-conductive film formed on a surface of the stainless steel and forming a new conductive film thereon, but hydrophilicity may also be secured without additional surface treatment such as a separate coating or the like, and thus manufacturing costs may be reduced and productivity may be increased.

Abstract: A scan driver for a display device includes a plurality of scan stage groups, each of the scan stage groups including a first scan stage and a second scan stage.

Abstract: A scan driver including stages that are connected to scan lines respectively and supply scan signals to the scan lines in response to voltages of 11th and 12th nodes, and a selective drive circuit that is connected to i (i is a natural number of 2 or greater) stages and includes a first node and a second node. Each of the stages includes a first connection transistor that is connected between the first node and the 11th node and a second connection transistor that is connected between the second node and the 12th node. The first connection transistor and the second connection transistor are turned on by a second control signal to electrically connect the first node to the 11th node and the second node to the 12th node, respectively.

Abstract: A touch sensor includes a substrate, and an electrode formed from a conductive stack structure including a first conductive oxide layer, a copper-containing metal layer and a second conductive oxide layer sequentially stacked from the substrate. The first conductive oxide layer and the second conductive oxide layer each include a copper-metal oxide. Chemical and mechanical stability of an electrode may be improved by the first and second conductive oxide layers.

Abstract: A system for cleaning a fuel cap valve of a vehicle, may include a fuel cap having an air breather passage and a negative-pressure valve body configured for opening or closing the air breather passage; a canister for collecting evaporated gas inside a fuel tank to supply the evaporated gas into an engine intake system; and a negative-pressure control mechanism for controlling an engine negative pressure, which is applied from the engine intake system to the negative-pressure valve body of the fuel cap through the canister and the fuel tank, to reach a predetermined level or more, or for controlling the engine negative pressure at a repetition interval, in a fuel cap cleaning mode for cleaning the negative-pressure valve body of the fuel cap.

Abstract: A display device includes a gate driver for applying scan signals and including a plurality of gate driving circuit blocks, and a data driver for applying a data voltage to data lines, wherein the gate driving circuit blocks respectively output a carry signal to be transmitted to a first input terminal of a subsequent gate driving circuit block based on a signal applied to a first control node through a first input terminal and a carry clock signal input to a carry clock input terminal, output a scan signal to a first scan line based on the signal applied to the first control node and a scan clock signal input to a first scan clock input terminal, and output a scan signal to a second scan line based on the signal applied to the first control node and a scan clock signal input to a second scan clock input terminal.

Abstract: Provided is an austenitic stainless steel for a fuel cell including, in weight %, C: 0.05% to 0.09%, Si: 0.5% or less (0 excluded), Mn: 2.5% to 5.0%, Cr: 21% to 23%, Ni: 10% to 12%, Nb: 0.2% to 0.7%, N: 0.25% or less (0 excluded), Al: 0.2% or less (0 excluded), S: 0.003% or less (0 excluded), B: 0.01% or less (0 excluded), the remainder being Fe and unavoidable impurities.

Abstract: Stainless steel having excellent contact resistance for a PEMFC separator and a method for manufacturing the stainless steel are disclosed. The stainless steel for the Polymer Electrolyte Membrane Fuel Cell (PEMFC) separator according to an embodiment of the present disclosure may include: by weight percent, 0 to 0.02% of C (excluding 0%), 0 to 0.02% of N (excluding 0%), 0 to 0.25% of Si (excluding 0%), 0% to 0.2% of Mn (excluding 0%), 0 to 0.04% of P (excluding 0%), 0 to 0.02% of S (excluding 0%), 25 to 34% of Cr, 0 to 0.5% of Ti (excluding 0%), 0 to 0.5% of Nb (excluding 0%), 0 to 0.6% of Sn (excluding 0%) and the remainder comprising iron (Fe) and other unavoidable impurities, wherein the value of the following formula (1) with respect to the atomic ratio of X and Sn in the region within 3 nm in thickness from a surface of a passive film is 0.001 or more. X/Sn??formula (1) Where X is Cl or F.

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.

Abstract: The present invention provides a touch sensor panel and a fabrication method thereof, in which metal wires for forming a metal mesh are subject to patterning to have symmetrical components being in correlation with each other on the basis of x and y axes, thereby improving visibility. In the touch sensor panel and the fabrication method thereof, the metal wires consist of continuous unit wires in which a unit wire and another unit wire crossing with the unit wire have symmetrical components being in correlation with each other and the size of the symmetrical components is determined based on the line width of the unit wires.

Abstract: A display device includes: a first pixel including a first light emitting diode (LED) and a first capacitor including a first electrode connected to a first power source voltage providing a driving voltage to an anode of the first light emitting diode (LED) or to an initialization voltage, and a second electrode connected to the anode of the first light emitting diode (LED); and a second pixel including a second light emitting diode (LED) and a second capacitor including a first electrode connected to the first power source voltage providing the driving voltage to an anode of the second light emitting diode (LED) or to an initialization voltage, and a second electrode connected to the anode of the second light emitting diode (LED), wherein capacitance of the second capacitor is less than capacitance of the first capacitor.

Abstract: The present invention provides a touch sensor panel and a fabrication method thereof, in which metal wires for forming a metal mesh are subject to patterning to have symmetrical components being in correlation with each other on the basis of x and y axes, thereby improving visibility. In the touch sensor panel and the fabrication method thereof, the metal wires consist of continuous unit wires in which a unit wire and another unit wire crossing with the unit wire have symmetrical components being in correlation with each other and the size of the symmetrical components is determined based on the line width of the unit wires.

Abstract: A scan driver includes a plurality of stages to receive one or more clock signals, each of the plurality of stages to supply a carry signal to a corresponding first output terminal and to supply a scan signal to a corresponding second output terminal, corresponding to a voltage of a corresponding first node, and each of the plurality of stages including a reset unit, the reset unit to initialize the first node, the first output terminal, and the second output terminal, corresponding to a gate start pulse supplied to a corresponding reset input terminal.

Abstract: A method of driving a display panel includes providing a positive polarity data signal to a first data line during an odd-numbered frame, and providing a negative polarity data signal to the first data line during an even-numbered frame. The positive polarity data signal has a first polarity. The negative polarity data signal has a second polarity. Output timing of the positive polarity data signal is different from output timing of the negative polarity data signal.

Abstract: An embodiment of the present invention relates to a vertical electrolytic device having an improved structure to easily discharge bubbles generated during an electrolysis process that is used for surface modification of a separator of a fuel cell or the like. The vertical electrolytic device according to an aspect of the present invention includes an electrolytic bath in which an electrolyte is stored and an opening is formed in top and bottom portions thereof to allow vertical movement of a strip, wherein the bottom opening is formed to correspond with the strip to prevent discharge of the electrolyte stored in the electrolytic bath; and at least one pair of electrode parts disposed in the electrolytic bath so as to be facing each other on each side of the strip.

Abstract: A pixel includes an organic light-emitting diode (OLED), a storage capacitor, and first to fourth transistors. The first transistor includes a gate electrode (GE), a first electrode (FE), and a second electrode (SE), and is configured to control, in response to a voltage of a first node (FN) coupled to the GE, current supplied from a first power source (PS) coupled to the FE to a second PS via the OLED. The storage capacitor is coupled between the FN and the first PS. The second transistor is coupled between a data line and the first transistor. The third transistor includes a FE coupled to the FN and a SE coupled to the SE of the first transistor. The fourth transistor includes a FE coupled to the FN and a SE coupled to the SE of the first transistor, and is configured to transmit an initialization voltage to the FN.