Disclosed are thermite charges for use in well perforation and downhole fracing. The thermite charges have a core, and optionally a case, where at least one of the core and the case includes thermite material.

A gas generator for a safety device for a motor vehicle, comprises at least two distinct chambers which communicate with each other through at least one opening or nozzle. A first chamber is isolated from the outside. A second chamber or “diffusion” chamber is able to receive gases generated by the combustion of a solid pyrotechnical charge placed in the first chamber, and to discharge them towards the outside. The solid charge is a mixture consisting of at least one oxidizing charge and a reducing charge, the oxygen balance of which is equilibrated. A heat generator is provided which generates sufficient heat for triggering and sustaining the combustion of the charge without any other interaction, notably of the chemical type, between the heat generator and the charge.

A solid state thermite reaction composition is provided comprising a fuel component, an initiating oxidizer, a primary oxidizer, a fluxing agent and a thermal diluent. According to another aspect, a heating device is provided comprising a heating chamber for receiving and storing a substance to be heated having at least two walls, a reaction chamber affixed to a wall of the heating chamber, a solid state thermite reaction composition located within the reaction chamber and an actuatable trigger mechanism affixed to the reaction chamber such that the trigger mechanism is in contact with the reaction composition. According to another aspect, a solid-state thermite reaction activation mechanism is provided comprising a first compound substantially in contact with a thermite reaction fuel, a second compound and a removable barrier located between the first and second compounds preventing any contact between the first and second compounds.

The present invention discloses a drive device for a rotor of s carousel door, In addition to a main drive motor (10), which has a main-drive-motor shaft (12), the drive device according to the invention comprises a secondary drive motor (12) with a secondary-drive-motor shaft (22). The main-drive-motor shaft (12) is coupled at least indirectly to the secondary-drive-motor shaft (22, 62) in terms of rotation, and therefore the secondary-drive-motor shaft (22, 62) is coupled to the rotor in terms of movement.

Fold-away ironing device comprising a frame (12) attached to the wall and in which there is an ironing board surrounded by a mobile frame (18). In a first position, the ornamental front part is visible in the frame fixed to the wall and the ironing board is folded away, and in the second position, the front part is folded away and the ironing board becomes visible. First pivot means comprising a top hinge and a bottom hinge at the right-hand end or at the left-hand end of the frame fixed to the wall forming a vertical axis allowing the ironing board to be pivoted through an angle of around 90° and, on the other hand, two hinges situated at the middle of the horizontal parts of the mobile frame forming the vertical axis (20) allowing the ironing board to pivot so that it becomes visible. Second pivot means allow the ironing board in the second position to be moved from the vertical position into the horizontal position.

A handheld telescopic ironing device for pressing clothing, fabric and the like comprising two handles joined at the distal end with a pivotal hinge, each handle comprised of an elongated hollow outer handle housing and at least one elongated hollow inner handle housing concentrically aligned and telescopically mounted within outer handle housing with a locking means to hold the with inner handle housing and outer handle housing at extended or contracted lengths. Attached to the two handles are heads each having a pressing surface mounted on a hollow head housing so that the two pressing surfaces oppose each other. The telescopic ironing device is further comprised of at least one heating element disposed within one or more of internal cavities of the head housing and has an optional steam feature.

A device for treating fabrics comprising a cabinet, said cabinet comprising: a shell having an interior surface, said shell forming an opening; the device further comprising: at least a first and a second spray head positioned upon said interior surface of said shell, the first spray head comprising a multitude of spray nozzles and the second spray head comprising at least one spray nozzle, wherein in at least one first direction the first spray head produces a spray pattern comprising a sequence of a first spray-on area, a first spray free area, and a second spray-on area and in said first direction the second spray head produces a spray pattern comprising at least a third spray-on area and wherein the third spray-on area covers at least a portion of the first spray free area.

A steam ironing device (1), comprising: an iron, including a soleplate (18) provided with at least one steam outlet opening (20); soleplate heating means (22) configured to heat the soleplate (18); a steam generator (50) including a heatable steam generation chamber (51) that is fluidly connectable to the at least one steam outlet opening (20) in the soleplate; and control means (24, 56), operably connected to the soleplate heating means (22) and the steam generator (50), and configured to control a soleplate temperature and a steam rate of the steam ironing device, wherein the control means (24, 56) are configured to heat the soleplate to a non user-adjustable temperature in the range of 105-145° C., and to provide for a time-averaged steam rate of at least 50 grams/minute.

This invention relates to the field of advertising and information display. It can be used in the production of portable advertising and information media with flexible supports, transported easily, and installed quickly to display any visual information. The invention ensures high-quality and effective tensioning of the panel over the course of a long use period including multiple relocations. The device for presenting information comprises a panel mounted on a sectional frame with rotating edges of the panel mounted on the sides of the frame. Each of the rotatable edges consists of at least two layers: the panel itself and a facing applied to the panel in its pre-tensioned resiliently deformed state, thus retaining the tension of the panel material attached to the facing. The panel is mounted on a frame in a state of resiliently extended deformation and is fixed with edges supported in pairs on the frame.

The invention refers to an ironing aid and a device for safekeeping of ironing aids for smoothing closed tubular items of clothing. The object was to propose a solution in the application of which a wire frame shaped ironing aid is an integral part of the aid for thermal smoothing of items of clothing and better handling is ensured. The object is achieved by their insertion in a profile bracket provided with an adhesion means. According to the invention, several ironing aids can be combined with a profile bracket, at least one of the ironing aids having a loop-like rounding at its end. Furthermore, one of the ironing aids can have a slight kink at a right angle to its planar extension (FIGS. 1/2).

A discharge device, preferably for a silo, comprising: an outer body (2), provided with an upper opening (21) and a lower opening (22); an inner body (3) positioned inside the first body (2); a plurality of arms (4), interposed between the outer body (2) and inner body (3) so as to connect the inner body (3) to the outer body (2). Each arm (4) is provided with a foot (5) endowed with at least one vibration damping portion (51) which has a resting surface on the outer body (2).

Device for taking back empty containers, in particular plastic bottles and metal cans, with a housing which has apparatuses for processing inserted empty containers, an intake chute accessible from the outside that receives empty containers as bulk material and a bottom sloping downward in direction of intake chute. Device is provided that prevents or impedes insertion of excessively large objects into device. Device provides almost unimpeded insertion of empty containers as bulk material into intake chute, and simultaneously prevents that excessively large objects can enter into the device. The bottom of intake chute has a plurality of grooves arranged side by side and running in the intake direction, the grooves flowing into a passage opening leading to the device and whose cross-section is dimensioned in such a manner that empty containers aligned longitudinally in the intake direction can pass unimpeded through the grooves.

The various embodiments of the present invention are directed to valve devices, systems, and methods for controlling the distribution of materials to multiple locations. The improved valve devices, materials distribution systems, and materials distribution methods disclosed herein are particularly suitable for use in applications where the materials being distributed are, for example but not limited to, non-gaseous fluid materials (e.g., raw liquids, solutions, slurries, colloids, suspensions, and the like) and solid materials having some level of tackiness, moisture content, or like property. The valves, systems, and methods disclosed herein can be operated without having to stop the flow of materials therethrough in order to change the position of the valve from one outlet to another. Further, the valves and systems disclosed herein have few directional changes, therefore there are few, if any, points within the system where the material can get stuck and/or lodged.

The present invention provides an alignment device of cutting machine, which includes: a stand and a ball transfer unit mounted on the stand. The ball transfer unit includes a main body, a first rotating body, and a plurality of second rotating bodies arranged between the main body and the first rotating body. The main body has an end forming a receiving chamber and thus forming a receiving chamber sidewall. The second rotating bodies are rotatably arranged on the receiving chamber sidewall. The main body forms an air entrance passage in communication with the receiving chamber. The receiving chamber sidewall extends out to form a bearing section corresponding to the air entrance passage. The bearing section has a side surface in which air outlet ports are formed. The main body has an opposite end forming a connection section that is mateable and coupleable to the stand. The present invention uses a ball transfer unit to replace the float pad made of porous carbon fiber material for aligning a glass substrate in order to achieve the purposes of lowering down cost.

The present disclosure provides a roller and a conveying device. The roller includes an inner circle, an outer circle, and an inflatable cushion arranged between the inner circle and the outer circle with the volume thereof changing as air charge inflated thereinto changes. by adjusting the air charge of the inflatable cushion, the outer diameter of the roller is increased as the air charge inflated into the inflatable cushion increases, at the same time, the conveyor surrounding the exterior of the roller is tightened to increase the tension degree of the conveyor without disassembling other mechanisms of the conveying device, which is simply operated to be capable of saving labors and time.

A conveying device for cylindrical members, such as parisons (1) for hollow objects, has running rails (8, 9) which are inclined in the direction of travel of the parisons (1). A neck (3) of the parisons (1) which is part of a head (2) lies on the running rails (8, 9). A guide rail (11) which is located at a certain distance from the head (2) of the parisons (1) is fixedly arranged above the running rails (8, 9). A movable intermediate element (12) is retained and guided within the running rail (11). A force component (16) directed against the head (2) of the parisons (1) acts on the intermediate element (12).

A device for stopping and/or aligning transport goods on a conveying device, in particular a roller conveyor, device has a main part and a stopping device that can be moved out of the main part into a conveying path of the conveying device in order to stop and/or align the transport goods that are transported along the conveying path. The stopping device comprises at least two separate stops that can be moved between a working position, which projects into the conveying plane, and a rest position, which is retracted with respect to the conveying plane, by means of a common actuator device.

The current invention provides a tube-grasping body for grasping an insert tube in a heat exchanger, and heat exchanger production methods and apparatuses utilizing the tube-grasping body, wherein the tube-grasping body enables to enlarge and connect an insert tube to a heat radiating fin for producing a heat exchanger, still keeping the total length of insert tubes at an almost same level even after the enlargement; and the tube-grasping body is connected at its exterior to the guide-pipe.

A process of forming the wall of the mouth of a cylindrical, metal container or packaging from a tubular ring that may or may not be molded that has to accommodate a sealing lid equipped with an elastic seal secured by a vacuum created in the container is characterized essentially by the use of a single element, the head carrying out the deformation of the internal diameter of the container by expansion to produce a bead together and simultaneously with a contraction that produces shrinkage above the bead of the mouth, the head comprising an expansible stationary part and a moving part that turns around the stationary part, the parts of the head being coaxial, which has the effect of compressing the metal and hardening it by organizing the metal molecules under two simultaneous stresses, which hardens the packaging and allows it to withstand the vacuum applied thereto.

A method of using a hydraulically driven pressing device for pressing a fitting on a tube is provided. The pressing device includes a piston and a cylinder for acting on pressing jaws. A piston shaft is connected to rollers. The pressing device can be used to carry out pressing operations requiring different levels of pressing power, by using an adjustable stop which is provided in the direction of displacement of the piston in order to achieve different end positions for the piston during the piston return stroke.

A device is provided for collapsing a stented bioprosthetic valve, including first section and second sections, each spanning between first and second ends of the device. The second section of the device is associated with the first section to at least partially enclose an internal cavity formed by the first and second sections, the internal cavity tapering from an open insertion portion at a first end of the device to an open exit portion at a second end of the device. The insertion portion has a larger dimension than the exit portion. When the first section and second section are substantially enclosing the internal cavity, a stented bioprosthetic valve may be inserted into the insertion portion and collapsed as it is moved toward and through the exit portion. The valve may then be loaded on an apparatus for insertion into the body.

When forming a toothed portion on the outer section of a blank by contacting a tooth profile-forming portion of a forming die with a curved portion of the blank, the first projection of the blank is accommodated in a first depression, and a load is applied axially to a center section of the blank so a material of the blank flows radially outward. The material of the blank at the first projection flows in the axial direction to inside the first depression, and the material of the blank at an intermediate section between the center and the outer section flows in axially to inside a second depression to form a second projection. When the load is maximized, a space is provided between a toothed portion and the tooth profile-forming portion, between the first projection and the forming die, and between the second projection and the forming die.

Chamfer cutting devices are described. The chamfer cutting devices include a mounting bracket, an electromagnet rigidly attached to the mounting bracket, a hold/release arm magnetically coupled to the electromagnet, a chamfer former rigidly attached to the hold/release arm, wherein the chamfer cutter comprises two bending beams, each terminating in a chamfer point, and a blade rigidly connected to the mounting bracket and positioned between the chamfer points. Dispensers incorporating such chamfer cutting devices and methods of chamfer cutting are also described.

A method and a device for the production of a stamping with an enlarged functional surface, for example, fine blanking a workpiece out of a flat strip, wherein the flat strip is clamped between an upper part including a shearing punch, a pressure pad for the shearing punch, a V-shaped projection arranged on the pressure pad and an ejector which is pressed into the flat strip, and a lower part including a cutting die and an ejector. Edge rollover is avoided by preforming, before cutting begins, a negative with regard to the cutting direction with a preforming element in the direction opposite to the cutting direction that corresponds to the expected edge rollover into the cutting die with regard to size and geometry at cutting, generating a material volume at the side of the rollover in a mirror-inverted form. During cutting, the preformed area is supported by the preforming element.

A blank rolled in transverse directions with respect to the longitudinal axis of the blank, and with the aid of a drive for rockingly moving rolls in opposite directions, ensures that the geometry and dimensions of finished parts do not coincide with the form and dimensions of a die. A four-link articulation mechanism lifts/lowers the upper roll and transmits a rolling force thereto. Rods of hydraulic torque cylinders pivotally connect to ends of a rocker thereby transmitting oppositely directed torques and a rolling force to a lower roll. A wedge mechanism coupled to the lower end face of the lower thrust bearing lifts/lowers the lower roll thereby transmitting a rolling force thereto. A rack bar disposed between retainers horizontally moves during rolling and secures the blank using a cradle.

One illustrative method disclosed herein includes forming a plurality of spaced-apart trenches in a semiconducting substrate to thereby define a fin structure for the device, forming a local isolation region within each of the trenches, forming a sacrificial gate structure on the fin structure, wherein the sacrificial gate structure comprises at least a sacrificial gate electrode, and forming a layer of insulating material above the fin structure and within the trench above the local isolation region. In this example, the method further includes performing at least one etching process to remove the sacrificial gate structure to thereby define a gate cavity, after removing the sacrificial gate structure, performing at least one etching process to form a recess in the local isolation region, and forming a replacement gate structure that is positioned in the recess in the local isolation region and in the gate cavity.

The invention relates to a method and a device for removing and drawing a synthetic thread to form a fully drawn yarn. The thread is formed by joining a plurality of extruded filaments and is guided by contact on the circumference of heated guide jackets of several driven galette pairs. In order to obtain a gentle and highly homogenized treatment of the filaments, the thread is guided in an S-shaped or Z-shaped thread course by a first galette pair having two guide jackets driven in opposite directions during the removal from a spinning zone and before the drawing. Thus, both sides of the thread can be brought directly into circumferential contact with the guide jackets for in order to heat the thread.

A harvesting device for harvesting and/or picking up crop such as plants or plant parts located on the field is configured with a pick-up unit with a working width oriented transversely to the direction of travel (F), for picking up the crop. The pick-up unit has a multiplicity of pick-up elements, each of which can move at least partially in the vertical direction and are disposed along the working width. Outer ends of the movable pick-up elements form envelope curves during operation. A conveyor unit for further conveying the picked-up crop is provided downstream of the pick-up unit in the direction of the crop flow. The harvesting device so arranged improves the pick-up or intake of crop because the conveyor unit at least partially overhangs the envelope curves of the pick-up elements in the direction of travel (F).

A removable device for attaching two mechanical parts includes a pin removably locking a first part with respect to a second part, a retainer member on the pin and a resiliently loaded tension member which collaborate to prevent the pin from coming out of its locked position; the removable device further includes at least two inclined surfaces, the general shape of which is that of a projection oriented in the axial direction of the pin, such that when the pin rotates, the retainer member runs along the inclined surfaces and the pin moves between the locked position and unlocked position against a force exerted on the pin along a longitudinal axial direction of the pin exerted by the tension member.

This invention relates to an electronic cigarette device, including an electronic cigarette and an electronic cigarette charger, the electronic cigarette charger forming a first magnetic portion, the electronic cigarette correspondingly forming a second magnetic portion mutually magnetically adsorbed with the first magnetic portion. The electronic cigarette charger forms a first connector, and the first connector comprises a first seat, a first electrode pole disposed at a middle portion of the first seat and a first insulating sleeve disposed between the first seat and the first electrode pole to insulate the first seat and the first electrode pole. The electronic cigarette forms an electronic cigarette battery therein, and the electronic cigarette at an end thereof forms a second connector connected with the electronic cigarette battery and the first connector of the electronic cigarette charger. The electronic cigarette device is convenient to put/take the electronic cigarette into/out of the electronic cigarette charger.

Devices, cartridges, and method are described herein for emulating smoking wherein a device generates an aerosol for inhalation by a subject by heating a viscous material that can have a tactile response in the mouth or respiratory tract, while reducing Hoffman analytes and mutagenic compounds delivered to the user as compared to a common tobacco cigarette.

The present disclosure generally relates to electronic vaporizing devices comprising a plurality of components, and mechanisms for locking or otherwise securing the components together. Components of the electronic vaporizing devices may include a cartridge (e.g., including a liquid for vaporization) and a battery unit (e.g., including a rechargeable battery), among other possible components. The electronic vaporizing devices may be at least partially disassembled to allow a user to replace, replenish, recharge, and/or repair the device, as needed.

A wireless charging device comprises an electronic switch and a transmitting coil (L1) electrically connected with a power source in sequence. A control end of the electronic switch is connected with a transmitting control unit. The wireless charging device further comprises a current limiting resistance (R1) connected in serial with the transmitting coil. The wireless charging device further comprises a compensation capacitor (C1) connected in parallel with the transmitting coil. An insert total electromagnetic coupling structure is further employed for charging. Such wireless charging device is particularly suitable for electronic cigarette, with low cost, stable and reliable working status and high efficiency, and specific heat sink is not required.

The various embodiments herein provide an air suction device for a smoking apparatus. The air suction device comprises a cylindrical housing, an impeller, an impeller cover, a motor assembled inside the housing to drive the impeller, a plurality of batteries provided in the housing, a battery cover to enclose the plurality of batteries and a switch provided externally to the cylindrical housing. When the switch is in ON condition, the plurality of batteries supply an electrical power to the motor and the motor converts the electrical power into a mechanical power which in turn causes propulsion of the impeller thereby sucking out the air from a water bowl of the smoking apparatus. The propulsive motion of the impeller sucks out the air from the water bowl until the air inside the water bowl is replaced by condensed smoke.

A simulated smoking device (1) comprising a simulated cigarette having a substantially cylindrical cigarette-like shape and a refill device (2, 50) having a substantially cuboid housing with a cigarette pack-like shape containing refill gas (32, 59) for the simulated cigarette and having means for selectively retaining the simulated cigarette. The simulated cigarette may be retained wholly within the housing. It may be retained at a location different from the refill location. A dose counter may be provided to give a visual indication of the doses in the refill device.

A protective device and method for preventing supply voltage of microcontroller from sag in electronic cigarette is provided, comprising a microcontroller, a power supply module, a field effect transistor, an energy storage circuit, wherein, the energy storage circuit is connected between the microcontroller and the power supply module, the energy storage circuit supplies electric power to the microcontroller when an over current or short circuit occurs, and maintains the supply voltage of the microcontroller not being less than its minimal operating voltage in a certain period of time; the microcontroller processes the over current or short circuit signal and turns off the MOSFET to cut off the current flow in a load circuit. The unstable or uncontrollable phenomena of the microcontroller in the existing technology are resolved. The circuit of the present invention is simple and low cost.

The current invention discloses an inexpensive, easy to use anti-smoking device. The device has an elongated strip having a center portion, a first arm, and second arm along the elongated strip, and a center piece that is attached to the center portion of the elongated strip. The first arm and second arm of the elongated strip can be wrapped around the center piece to attach to the center piece, forming two loops that allow two fingers of the person trying to quit smoking to engage the anti-smoking device. The center piece is to be stuck between two fingers, preferably the fingers the person trying to quit smoking normally uses to clutch cigarettes. The center piece is sized so that two fingers cannot be held close enough to clutch a cigarette.

A device for filling cigarette tubes that can be designed and used manually, partially automatically, or, fully automatically for packing cigarette tubes with a metered, precise amount of tobacco that leads to a consistent filling of the tube to an even and complete density such that the burning rate and continuity are consistently the same, regardless of the cut of tobacco being used, or of moisture content of the tobacco, and, independent of operator control variables.

A low power consumption semiconductor device is provided. The semiconductor device includes a decoder, a signal generation circuit, and a display device. The decoder includes an analysis circuit and an arithmetic circuit. The analysis circuit has a function of determining whether to decode the received first image data using the received data. The signal generation circuit has a function of generating a signal including an instruction on whether to decode the first image data in response to the determination of the analysis circuit. The arithmetic circuit has a function of decoding the first image data in response to the signal. The display device has a function of maintaining a second image displayed on the display device in the case where the first image data is not decoded in the arithmetic circuit.

To provide a novel device, a device with low power consumption, or a versatile device, the device includes a decoder, a driver circuit, and a display portion. The driver circuit includes a plurality of circuits. The display portion includes a plurality of display panels. The decoder has a function of generating a signal corresponding to an image displayed on the display portion. The decoder has a function of determining the necessity of rewriting an image of each of the display panels by detecting a change in the image of each of the display panels. The circuit has a function of outputting a signal to a display panel for which that image rewriting is determined to be necessary. The circuit has a function of stopping output of a signal to a display panel for which image rewriting is determined to be unnecessary.

A display device includes: a display unit in which light-emitting pixels are disposed in rows and columns; and a control circuit controlling the display unit. The light-emitting pixels each include: a light-emitting element (organic EL element); and a drive transistor which supplies the light-emitting element with a current causing the light-emitting element to emit light, and the control circuit, when display by the display unit is stopped, calculates an amount of shift of a threshold voltage of the drive transistor at a time when a stopped state of the display unit is started, and determines on the basis of the amount of shift, at least one of (i) a recovery voltage which reduces the amount of shift by being applied across a gate and source of the drive transistor while the display by the display unit is stopped, and (ii) an application period during which the recovery voltage is applied.

A display device and a method of driving the same are disclosed. The display device includes a first driver integrated circuit configured to drive a first pixel array, a second driver integrated circuit configured to drive a second pixel array, a power module integrated circuit configured to receive an enable signal and output a driving voltage, and an AND gate configured to receive an output of the first driver integrated circuit and an output of the second driver integrated circuit and output the enable signal. The driving voltage output from the power module integrated circuit is commonly supplied to the first and second driver integrated circuits.

A semiconductor device includes first to fourth terminals, a switch circuit, and an integrating circuit. The integrating circuit includes an amplifier circuit having a (−) terminal, a first (+) terminal, and a second (+) terminal. The integrating circuit is configured to integrate an input signal of the (−) terminal using an average voltage of a voltage of the first (+) terminal and a voltage of the second (+) terminal as a reference voltage. The switch circuit is configured to electrically connect the (−) terminal to the second terminal, the first (+) terminal to the first terminal, the second (+) terminal to the third terminal the (−) terminal to the third terminal, the first (+) terminal to the second terminal, and the second (+) terminal to the fourth terminal. The present semiconductor device is used as a semiconductor device sensing a current flowing through a pixel in a display panel.

In a current measurement period set in a pause period, a display device of the present invention applies measurement voltages to data lines (S1 to Sm) and measures currents outputted to monitoring lines (M1 to Mm) from m pixel circuits (18), and then applies data voltages generated corresponding to video signals to the data lines (S1 to Sm).

A pixel may include a light emitting element, a first power supply terminal set, an initialization terminal, a capacitor, a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, and a sixth transistor. The first power supply terminal set is electrically connected through no intervening transistor to each of the fourth transistor and the sixth transistor. The capacitor is electrically connected through no intervening transistor to each of the initialization terminal and the third transistor. Each of the first transistor and the fourth transistor is electrically connected through no intervening transistor to the second transistor. Each of the second transistor and the third transistor is electrically connected through no intervening transistor to the fifth transistor. Each of the fifth transistor and the sixth transistor is electrically through no intervening transistor to the light emitting element.

A luminance controller according to example embodiments includes a gamma set selector to select a reference gamma set from among first through N-th gamma sets respectively corresponding to first through N-th reference luminances, based on a target luminance of a display panel; an initialization voltage selector to select an initialization voltage corresponding to the reference gamma set, from among first through N-th initialization voltage offsets respectively corresponding to the first through N-th gamma sets; a common voltage selector to select a common voltage corresponding to the reference gamma set from among first through N-th common voltage offsets respectively corresponding to the first through N-th gamma sets; and a determiner to determine a target initialization voltage based on the target luminance and the initialization voltage, and to determine a target common voltage based on the target luminance and the common voltage.

A gate driver includes clock signal lines respectively transferring clock signals, at least two of the clock signals being mutually the same; and gate driving units electrically connected to the clock signal lines, respectively and configured to sequentially generate gate signals having a multi-clock pulse based on the clock signals.

A scan driver includes a plurality of scan driving blocks. Each of the scan driving blocks includes a first shift register including a plurality of driving transistors, the first shift register being configured to provide a first driving signal to a first driving node and to provide a second driving signal to a second driving node, a second shift register including a plurality of masking transistors, the second shift register being configured to provide a masking signal to a masking output node, and a buffer circuit including a plurality of buffer transistors, the buffer circuit being configured to provide scan signals. The buffer circuit outputs the scan signals that include the first pulse or the scan signals that include the first pulse and the second pulse based on the masking signal.

The present invention discloses an organic light-emitting diode display device and a driving method thereof. The device includes: a plurality of pixels, including a plurality of organic light-emitting diodes and a plurality of drive transistors for supplying drive currents to the organic light-emitting diodes; a data driver, configured to transmit corresponding data signals to the plurality of pixels via a plurality of data lines; and a pre-charge circuit, configured to pre-charge voltage signals reserved in a previous time sequence to an initial voltage, the initial voltage being less than or equal to a minimum voltage of the data signals, wherein before the data driver transmits the corresponding data signals to the plurality of pixels, the pre-charge circuit acts to pre-charge the voltage signals reserved in the previous time sequence by the plurality of pixels to be less than or equal to the minimum voltage of the data signals.

An RGB to RGBW brightness compensation method and device is disclosed. The method includes: retrieving multiple gray scale values of RGB color RGB(x, y, z), wherein x, y, z are gray scale levels of red, green and blue sub-pixels of an RGB model, 0≦x, y, z≦1; multiplying the gray scale values of RGB color RGB (x, y, z) by N to obtain an enhanced gray scale values of RGB color RGB (Nx, Ny, Nz), wherein N is 4/3 and a minimum value selected from x, y, z is taken to represent a first conversion value W1; and obtaining multiple gray scale values of RGBW color RGBW (Nx−W1, Ny−W1, Nz−W1, W1) according to the enhanced gray scale values of RGB color RGB (Nx, Ny, Nz) and the first conversion value W1. Accordingly, a brightness of the RGBW model of a liquid crystal panel is compensated.