Abstract: A display device includes a flexible substrate, a display element on the flexible substrate and including a thin film transistor, a metal layer disposed at a lower portion of the flexible substrate, and an air layer formed between the flexible substrate and the metal layer.

Abstract: Alignment systems employing actuators provide relative displacement between lid assemblies of process chambers and substrates, and related methods are disclosed. A process chamber includes chamber walls defining a process volume in which a substrate may be placed and the walls support a lid assembly of the process chamber. The lid assembly contains at least one of an energy source and a process gas dispenser. Moreover, an alignment system may include at least one each of a bracket, an interface member, and an actuator. By attaching the bracket to the chamber wall and securing the interface member to the lid assembly, the actuator may communicate with the bracket and the interface member to provide relative displacement between the chamber wall and the lid assembly. In this manner, the lid assembly may be positioned relative to the substrate to improve process uniformity across the substrate within the process chamber.

Abstract: An organic light-emitting display device includes a display unit having a plurality of pixel units. The display device also includes a timing controller for calculating a black bias pixel ratio (BBPR) of the display unit based on image signals provided by an external source and for generating a control signal based on the BBPR. The BBPR is the ratio of a number of pixel units in a black state to a total number of pixel units. A power supply unit provides a driving voltage to the display unit based on the control signal from the timing controller, wherein the power supply unit provides a first driving voltage to the display unit when the BBPR is less than a reference value and provides a second driving voltage, which is higher than the first driving voltage, otherwise.

Abstract: A pixel includes a light emitting device, a first transistor for controlling an amount of current flowing from a first power source to a second power source via the light emitting device, in response to a voltage applied to a first node, a second transistor coupled between a data line and a second node corresponding to a first electrode of the first transistor, and including a gate electrode coupled to a first scan line, a third transistor coupled between the first node and a third node corresponding to a second electrode of the first transistor, and including a gate electrode coupled to the first scan line, and a fourth transistor coupled between the third transistor and the third node, and configured to maintain a turn-on state.

Abstract: Disclosed are a PFC controller and a method of controlling the PFC controller. The PFC controller can include: a voltage controller configured to control a PFC output terminal voltage using a PFC output terminal voltage value and a PFC output terminal requirement voltage value; a current controller configured to control a PFC input terminal current by deriving a PFC input terminal requirement current value using an output of the voltage controller and by deriving a PFC duty using the PFC input terminal requirement current value and a PFC input terminal current value; and a distortion compensator configured to monitor an input voltage of an input power source, determine whether the input voltage is distorted, and prevent a divergence of the PFC input terminal current by transmitting a distortion frequency to the current controller when the input voltage is distorted.

Abstract: A current stabilization method performed by a vehicle charging apparatus, which includes a power factor corrector for correcting a power factor of an alternating current (AC) power source, vehicle charging apparatus converting an AC voltage of the AC power source into a direct current (DC) voltage to charge a vehicle battery, may include downwardly-adjusting a current control bandwidth of the power factor corrector when the adjusting of the current control bandwidth of the power factor corrector is requested.

Abstract: A display device includes: a substrate; a gate pattern disposed on the substrate; an oxide semiconductor layer disposed on the substrate, the oxide semiconductor layer includes a channel region that overlaps with the gate pattern; and an insulating film disposed on the gate pattern, the insulating film includes majority carrier supporting ions, wherein the gate pattern includes a plurality of gate holes, wherein the gate holes are formed inside a region of the gate pattern that does not overlap with the channel region of the oxide semiconductor layer, and wherein the channel region of the oxide semiconductor layer includes the majority carrier supporting ions.

Abstract: A display device includes a plurality of pixels. Each pixel includes a first transistor that controls an amount of current received from a first power supply voltage line connected via a second node to an organic light emitting diode in response to a voltage of a first node, a second transistor connected between a data line and the second node and that includes a first gate electrode connected to a first scan line, a light emitting line connected to a gate electrode of at least one light emitting transistor located in a current path between the first power supply voltage line and the organic light emitting diode, and a seventh transistor connected between one of at least one second gate electrode of the second transistor and the light emitting line. Accordingly, a threshold voltage of a switching transistor included in each of the plurality of pixels may be negatively shifted.

Abstract: The present invention relates to compositions obtained by mixing specific electroactive fluoro-terpolymers and specific electroactive fluorinated copolymers. The invention also concerns liquid formulations (inks) that can be used through conventional processing technologies for printed electronics and microelectronics in a safe environment, based on these compositions. Another aspect of this invention are the films manufactured using these formulations, and the devices comprising at least one layer of these films.

Abstract: Disclosed herein is an organic light-emitting diode comprising: a first electrode; a second electrode facing the first electrode; a light-emitting layer interposed between the first electrode and the second electrode, wherein the light-emitting layer contains at least one of fused ring compounds represented by Chemical Formula A and at least one of hetero ring compounds represented by Chemical Formula D, the Chemical formulas A and B being as defined in the description of the invention.

Abstract: Disclosed is a charging apparatus capable of reducing a low-frequency leakage current, the charging apparatus including a duty controller that determines the duty of a switching element in a power factor correction converter on the basis of the level of a common-mode component of an AC voltage of AC power provided from an external charging facility, the level of the DC voltage formed by a DC link capacitor, and a leakage current flowing from the connection node of input-terminal Y-capacitors and the connection node of output-terminal Y-capacitors to the ground.

Abstract: A charging apparatus may include a power factor correction converter including a switching element, to correct a power factor of AC power provided by external charging equipment through ON/OFF control of the switching element, to convert the corrected power factor into DC power, and to output the DC power; a DC link capacitor connected to both ends of the PFC converter to form a DC voltage; a DC-DC converter converting a magnitude of the DC voltage formed by the DC link capacitor into a magnitude of a voltage required by an energy storage device to be charged; and a duty controller configured to determine a duty of the switching element in the PFC converter based on a magnitude of a common-mode component of an AC voltage of the AC power provided by the external charging equipment and the magnitude of the DC voltage formed by the DC link capacitor.

Abstract: A system of controlling a charging apparatus for a vehicle may include a power supply unit supplying an AC power, a power factor correction (PFC) converter unit connected to the power supply unit and converting the AC power supplied from the power supply unit into a DC power and supplying the converted DC power to a load, and a controller extracting a high frequency component from the AC power input to the PFC converter unit, determining a frequency of the extracted high frequency component, and limiting, when the determined frequency is equal to or greater than a predetermined value, output power from the PFC converter unit to a value lower than the predetermined value.

Abstract: Provided are a method and a mobile terminal for simultaneously displaying at least two application windows on a display unit of a mobile terminal. The method may include displaying a first application window associated with a first application on an entire display area of the display unit, receiving a multi_screen mode initiation input from a user, dividing a display area of the display unit into at least two display areas including a first display area and a second display area in response to the multi_screen mode initiation input, and displaying the first application window and a second application window on the at least two display areas, respectively, in a multi_screen mode.

Abstract: A display device includes a flexible substrate, a display element on the flexible substrate and including a thin film transistor, a metal layer disposed at a lower portion of the flexible substrate, and an air layer formed between the flexible substrate and the metal layer.

Abstract: An electronic device of the present invention comprises: a housing; a touchscreen display; a microphone; at least one speaker; a button disposed on a portion of the housing or set to be displayed on the touchscreen display; a wireless communication circuit; a processor; and a memory. The electronic device is configured to store an application program including a user interface for receiving a text input. When the user interface is not displayed on the touchscreen display, the electronic device enables a user to receive a user input through the button, receives user speech through the microphone, and then provides data on the user speech to an external server including an automatic speech recognition system and an intelligence system. An instruction for performing a task generated by the intelligence system in response to the user speech is received from the server.

Abstract: Disclosed are an organic heterocyclic compound represented by Chemical Formula A and an organic light-emitting diode comprising the same. wherein substituents R1 to R8, X1 to X4, W1, and Y1 are each as defined in the specification.

Abstract: A hydraulic tube connector for a vehicle may include a connector body including a first through-hole into which a tube having a tube protrusion protruding outward is inserted and a sealing O-ring groove which is formed at one side of the first through-hole, a sealing O-ring configured to be coupled to the sealing O-ring groove, and a release sleeve coupled to the connector body to prevent the sealing O-ring from being separated from the sealing O-ring groove.

Abstract: The present invention relates to an organic light-emitting compound represented by Chemical Formula A and an organic light-emitting device. In Chemical Formula A, X, Y, Z, and the substituents R1 to R8, and R11 to R20 are as defined in the specification.