50results about How to "Simple driving method" patented technology

The invention relates to a switch panel and a liquid crystal display system for a three-dimensional display device. The switch panel and a light emergent side of a polaroid portrait of the liquid crystal device are arranged in an attaching way; the switch panel comprises two transparent substrates; transparent conductive films are respectively coated on two opposite surfaces of the two transparent substrates; a liquid crystal layer is filled between the two transparent substrates; and oriented films mutually vertical to oriented grooves are respectively arranged on two sides of the two transparent substrate. The other switch panel and the light emergent side of a polaroid portrait of the liquid crystal device are arranged in an attaching way; the switch panel comprises at least one transparent substrate, liquid crystal layers filled between the transparent substrate and the liquid crystal display device, and two transparent electrodes on which driving signals are applied; the oriented films are arrayed along a first mode; and the liquid crystal layers are arrayed along a second mode. The liquid crystal display system comprises the switch panel and polarization analyzing glass which corresponds to the switch panel. The invention adopts a liquid crystal secondary optical rotation technology to achieve three-dimensional image and has simple structure, low cost and favorable imaging effect.

The invention provides a multipoint touch screen which comprises a first baseplate, a second baseplate, a first transparent conducting layer and a second transparent conducting layer, wherein the first baseplate and the second baseplate are oppositely arranged, the first transparent conducting layer is arranged on the inner surface of the first baseplate, and the second transparent conducting layer is arranged on the inner surface of the second baseplate. The resistivity of the second transparent conducting layer along a first direction is larger than the resistivity thereof along a second direction. The second transparent conducting layer is a carbon nanotube film, furthermore, carbon nanotubes in the carbon nanotube film are preferentially oriented and arranged along a single direction, and the single direction is parallel to the second direction of the second transparent conducting layer. The invention also provides a driving method of the multipoint touch screen.

A pixel array of a fringe field switching (FFS) liquid crystal display panel includes a plurality of gate lines, a plurality of data line, a plurality of pixel electrodes, and a plurality of common lines. The gate lines are disposed parallel to each other along a first direction. The data lines are disposed parallel to each other along a second direction. A plurality of sub-pixel regions is defined by the gate lines and the data lines. The common lines are disposed along the first direction and electrically isolated from each other. Each of the common lines includes a plurality of common electrodes extending along the second direction. The two adjacent common electrodes of each common line are respectively disposed in the two adjacent sub-pixel regions which are located in different rows.

The invention provides a pixel driving circuit, a driving method thereof, an array substrate and a display device, and relates to the technical field of displaying. The pixel driving circuit, the driving method, the array substrate and the display device are used for reducing the power consumption of the pixel driving circuit and simplifying the driving method of the pixel driving circuit. The pixel driving circuit comprises a reset unit, a data writing unit, a compensation unit and a light emitting unit. The reset unit is used for outputting a reference signal. The data writing unit is used for outputting a data signal. The compensation unit is connected with the reset unit, connected with the data writing unit and further connected with an output node. A voltage signal of a power source is received by the compensation unit, and the compensation unit is used for resetting the potential of the output node to the reset potential, upwards pulling the potential of the output node to the first potential from the reset potential, upwards pulling the potential of the output node to the second potential from the first potential, generating a light emitting driving signal and outputting the light emitting driving signal to the output node. The light emitting unit is connected with the output node, further connected with the negative electrode of the power source and used for being driven by the light emitting driving signal to emit light in the light emitting period. The pixel driving circuit is used for driving the light emitting unit to emit light.

The invention relates to a full-bridge LLC resonant converter and a synchronous rectification driving method thereof. The resonant converter comprises an input end (Vin), an inversion network circuit (11), a resonant network circuit (13), a transformer (T), a rectification filter network circuit (15), an output load (R0) and an output end (Vout) and also comprises a synchronous driving device (17), wherein the synchronous driving device (17) is used for obtaining a resonant period (t<r>) through calculation according to a resonant current (i<Lr>) extracted from the resonant network circuit (13), comparing switching frequency (f<s>) with resonant frequency (f<r>) to obtain a comparison result, determining driving signals (u<g1>&u<g4> and u<g2>&u<g3>) of a primary-side switching tube and driving signals (u<gSR1> and u<gSR1>) of a secondary-side synchronous rectification tube according to the comparison result, and separately sending the driving signals to the inversion network circuit (11) and the rectification filter network circuit (15) so as to control the working of the inversion network circuit (11) and the rectification filter network circuit (15). According to the embodiment of the invention, the synchronous rectification on / off time is determined by comparing the switching frequency with the resonant frequency, the working of the full-bridge LLC resonant converter is flexibly controlled, and the full-bridge LLC resonant converter has the advantages of the simplicity, practicability, high implementability, low cost and the like.

A pixel array of a fringe field switching (FFS) liquid crystal display panel includes a plurality of gate lines, a plurality of data line, a plurality of pixel electrodes, a plurality of common lines, and a plurality of pixel units aligned in an array configuration. The gate lines are disposed parallel to each other along a first direction. The data lines are disposed parallel to each other along a second direction. Each of the pixel units includes at least one sub-pixel region. The common lines are disposed along the first direction and electrically isolated from each other. Each of the common lines includes a plurality of common electrodes extending along the second direction. The two adjacent common electrodes of each common line are respectively disposed in the two adjacent pixel units which are located in different rows.

The invention relates to a method for positioning a touch screen. The method comprises the following steps of: providing a touch screen comprising a conducting layer with impedance anisotropy and a plurality of spaced exploring electrodes arranged at one side edge of the conducting layer; providing a first voltage for the conducting layer; when the touch screen is contacted, providing a second voltage for the conducting layer, wherein the application point of the second voltage is defined to be a touch point; sequentially measuring the voltage of the plurality of exploring electrodes and finding out relative extreme voltage and the voltage of an exploring electrode nearest to the extreme voltage; and determining a position coordinate of the touch point on the conducting layer according to the measured extreme voltage and the exploring electrode position with the nearest exploring voltage. The manufacture process and the driving method of the touch screen are both simpler, and operations of a plurality of touch points can be simultaneously carried out.

The invention discloses a hybrid LED (light-emitting diode) backlight source drive method. In the drive method, MXN regions are divided in a row-column way according to the physical distinguishability and display effect of a liquid crystal display screen firstly; a whole LED (light-emitting diode) backlight source is divided into corresponding MXN regions according to the division way of the liquid crystal display; then which region in the MXN regions an inputted video signal belongs to is judged; and the maximum value of each region is respectively calculated dynamically; finally the MXN values obtained through dynamic statistics are sent to a drive board of the LED (light-emitting diode) backlight source; and the drive board respectively drives each LED (light-emitting diode) backlight source region. The hybrid LED (light-emitting diode) backlight source drive method has simple drive method, low realization cost as well as light and thin structure. A direct type LED (light-emitting diode) backlight source drive method has the characteristics of implementing zoning dynamic statistics and having good brightness uniformity.

An OLED display, an OLED panel and a driving device are disclosed. Wherein, the OLED display includes the OLED and the driving device. The OLED panel has a plurality of display pixels, every display pixel includes a plurality of sub-pixels, and each of the sub-pixels respectively corresponds to a different color. The driving device includes a plurality of current mirrors for correspondingly receiving one of a plurality of data currents and for generating driving currents sent to the corresponding sub-pixels, respectively. Each the current mirror includes a plurality of transistors and generates a different driving current to drive the corresponding sub-pixels according to the ratios between the channel widths and channel lengths of the transistors in the current mirror.

The embodiment of the invention provides a driving method of a display panel, a display panel and a display device, relates to the technical field of display, and aims to avoid a splash screen phenomenon and ensure that the luminance tends to be consistent at different frequencies when scanning is performed at different frequencies. The driving method comprises the following steps: in a first scanning mode, driving the shift register to scan at a first frequency, so that the shift register outputs a first scanning signal with a first pulse interval and a first pulse width; in the second scanning mode, driving the shift register to scan at a second frequency, so that the shift register outputs a second scanning signal with a second pulse interval and a second pulse width; wherein the secondfrequency is smaller than the first frequency, the second pulse interval is larger than the first pulse interval, the second pulse width is larger than the first pulse width, [delta]t is smaller thanor equal to 0.25 [mu]s, and [delta]t is the difference value of the second pulse width and the first pulse width.

The invention belongs to the field of display technologies, and particularly relates to a level shift circuit, a level shift circuit driving method and a pixel driving circuit. The level shift circuit comprises a control unit, a selection unit and an output unit, wherein the control unit is connected with a turn-on power supply, an input signal end and the selection unit, and is used for generating control signals which are opposite to input signals and transmitting the control signals to the selection unit; the selection unit is connected with a driving power supply and the output unit, and is used for receiving the control signals, generating selection signals corresponding to the control signals and transmitting the selection signals to the output unit, wherein the control signals are used for controlling the selection unit to select a polarity end of the driving power supply corresponding to the polarity of the turn-on power supply; and the output unit is connected with the driving power supply, and is used for receiving the selection signals and outputting voltage of the driving power supply polarity corresponding to the polarity of the turn-on power supply. The level shift circuit provided by the invention is simple in structure, and the driving method is simple, effective and high in reliability.

The embodiment of the invention provides a display device and a driving method thereof, relates to the field of display technology and solves the problems that the process difficulty on the manufacturing of the existing liquid crystal display device is high, and the structural uniformity is not easy to control. In the embodiment of the invention, a controllable gray scale display component capable of providing a gray scale gradient backlight source, and a pixel component comprising a light path switch array are adopted, and a single light path switch can stop the light of the backlight source from passing the pixel component, so as to realize monochrome or colorful display of an image when a specific gray scale arrives, so that the structure of the display device is greatly simplified, the manufacturing process is accordingly simplified, and the problem that the structural uniformity is not easy to control is avoided, further a single pixel is driven only by controlling the on-off state of the light path switch, and the driving method of the display device is greatly simplified.

The invention discloses a touch display panel and a driving method thereof and a touch display device. The touch display panel comprises a first substrate, multiple grate signal wires arranged on the first substrate and reused as grate scanning wires and pressure driving wires when the grate signal wires are divided, a pressure testing layer used for receiving pressure testing signals when the grate signal wires are configured as the pressure driving wires so that pressure magnitude can be detected according to capacitance changes between the grate signal wires and the pressure testing wires. The touch display panel has a pressure testing function so that detection of external pressure by the touch display panel can be achieved. The touch display panel and the driving method thereof can directly obtain signal amount of pressure testing and optimize pressure testing effect.

The invention discloses a driving method, a driving device and a display device. The driving method is used for driving a display panel, and comprises the step of outputting a scan driving signal for each scan line in the display panel, wherein the scan driving signal comprises a plurality of frames of signals periodically distributed, each frame of signal comprises first voltage and second voltage, the first voltage is used for maintaining gating of each scan line in a first period, and is DC first high-level voltage; the second voltage is used for maintaining switching-off of each scan line in a second period, and is AC voltage, particularly, second low-level voltage and second high-level voltage output alternately; the first high-level voltage is larger than the second high-level voltage. According to the method and the devices provided by the invention, the second voltage for maintaining switching-off of each scan line is converted into the second low-level voltage and the second high-level voltage output alternately, so that the change of leakage current of a TFT in the display panel is effectively improved, image sticking phenomena in the display device are reduced, and the driving method is simple and easy to realize.

The invention provides an AMOLED pixel drive circuit, a drive method and an array drive system. The AMOLED pixel drive circuit comprises a first transistor, a second transistor, an organic light emitting diode and a drive transistor, wherein a threshold voltage of the drive transistor can be adjusted. The grid of the first transistor is connected with a first scanning signal, the first electrode of the first transistor is connected with a grid voltage signal, and the second electrode of the first transistor is connected with a control grid of the drive transistor. The source of the drive transistor is connected to the ground, and the drain of the drive transistor is connected with the first pole of the organic light emitting diode. The second pole of the organic light emitting diode is connected with an external power source. The grid of the second transistor is connected with a second scanning signal, the first electrode of the second transistor is connected with a data signal, and the second electrode of the second transistor is connected with the first pole of the organic light emitting diode. According to the AMOLED pixel drive circuit, a traditional capacitor and a PMOS transistor are replaced by the drive transistor with the adjustable threshold voltage. Therefore, the relative aperture of pixel structures is greatly improved, and light-emitting efficiency of the pixel structures is greatly improved.

The invention discloses a three-dimensional (3D) display and electronic equipment. According to the 3D display, the arrangement mode of sub-pixels in a 3D viewpoint is same with that of the sub-pixels in a sub-pixel repetition set through specific arrangement of lens gratings. Therefore a driving method which is similar with that in two-dimensional (2D) display of a display panel can be used for driving the 3D viewpoint for displaying an image in 3D display driving. Simple display driving method is realized. Individual driving method setting is not required. Furthermore a driving chip for 3D display driving can be utilized in 3D display driving.

The invention discloses a serial port driving system based on a PCI bus. The system comprises equipment to be driven, a PCI module, an FPGA control module and a serial port link module. The equipmentto be driven is connected with the PCI module through a PCI bus. The FPGA control module is connected with the PCI module and the serial port link module, the serial port link module is connected withexternal communication equipment through a serial port, the PCI module comprises a PCI bus controller and an EEPROM, the PCI bus controller is used for connecting a PCI bus and a local bus, and the EEPROM is used for storing configuration information of an internal register of the PCI bus controller; the FPGA is used for controlling a read-write time sequence of the serial port controller, resetting the serial port controller and interrupting a switch serial port; and the serial port link module is used for data interaction with the FPGA and external communication equipment so as to realize communication between the equipment to be driven and peripheral serial port communication equipment through a PCI bus.

The present disclosure provides a driving circuit and a driving method thereof, an array substrate, a display device, and a driving method thereof, and belongs to the technical field of display. The driving circuit is configured to drive a light-emitting element and a fingerprint detecting component, and includes a driving sub circuit, a data writing sub circuit, a first energy storage sub circuit, a detecting sub circuit and a data output sub circuit, wherein the driving sub circuit is configured to output the light-emitting drive current to the light-emitting element under the control of a driving node; the data writing sub circuit is configured to in response to a scan signal on a scan signal end, electrically connect the data input end and the driving node; the first energy storage subcircuit connects the driving node and the control signal end; the detecting sub circuit is configured to output a detecting current under the control of the output end of the fingerprint detecting component; the data output sub circuit is configured to output the detecting current to the data output end in response to the scan signal on the scan signal end. The driving circuit can reduce the complexity of the circuit of the display device in the display area and improve the resolution of the display device.

A display array organization used in a display panel is provided. The display array includes a data line, a first scan line, a second scan line, a first pixel electrode, a second pixel electrode, a front-end switch and an intermediary switch. The first pixel electrode is connected to the data line with the front-end switch, and the second pixel electrode is connected to the first pixel electrode with the intermediary switch. The operation of the front-end switch and intermediary switch are controlled by the first and second scan line respectively. When only the front-end switch is activated, the first pixel electrode can receive the data signal from the data line. When both the front-end and intermediary switches are activated, the second pixel electrode can receive a data signal from the data line.

This invention relates to one touch screen, which comprises overlap set first input layer and second one composed of reverse clock distributed first to fourth top points and one grid circuit and one switch control circuit between first to fourth top points, wherein, the grid circuit further comprises two input ends connected to the switch control circuit; when touching the first input layer, the two input ends are loaded with different levels under the switch control circuit with equal level of first and fourth top points in front half and with third and second ones same and first and second different.

Provided is a motion simulator with two degrees of freedom of angular motion that is capable of performing pitching rotation and yawing rotation. The motion simulator includes: a first rotation body (100) that a user boards; a second rotation body (200) located under the first rotation body (100); a first driving unit (300) for pitching the first rotation body (100); a second driving unit (400) for yawing the first rotation body (100) and the second rotation body (200) as one body; and a controller for controlling rotation of the first driving unit (300) and rotation of the second driving unit (400).

The invention provides a driving device for a wind turbine high-speed shaft. The driving device comprises a connecting board, a reducer, a motor, an input shaft, an output shaft, a large hand wheel, a small hand wheel, a removable key, a sliding small gear, a large gear and a trip switch. The motor can drive the high-speed shaft through the reducer, the small gear and the large gear. The invention further provides a driving method for the high-speed shaft, the circumferential direction of the high speed direction can be finely adjusted by rotating the small hand wheel. Furthermore, when electricity is out, the key in the output shaft can be removed, and the large hand wheel can be rotated to rotate the high-speed shaft. The driving device is simple and efficient, flexible to operate, and time saving and labor saving, and automatic locking of a wind wheel can be realized.

A pixel array of a fringe field switching (FFS) liquid crystal display panel includes a plurality of gate lines, a plurality of data line, a plurality of pixel electrodes, and a plurality of common lines. The gate lines are disposed parallel to each other along a first direction. The data lines are disposed parallel to each other along a second direction. A plurality of sub-pixel regions is defined by the gate lines and the data lines. The common lines are disposed along the first direction and electrically isolated from each other. Each of the common lines includes a plurality of common electrodes extending along the second direction. The two adjacent common electrodes of each common line are respectively disposed in the two adjacent sub-pixel regions which are located in different rows.

The invention provides an AMOLED pixel drive circuit, a drive method and an array drive system. The AMOLED pixel drive circuit comprises a first transistor, a second transistor, an organic light emitting diode and a drive transistor, wherein a threshold voltage of the drive transistor can be adjusted. The grid of the first transistor is connected with a first scanning signal, the first electrode of the first transistor is connected with a data signal, and the second electrode of the first transistor is connected with a control grid of the drive transistor. A source doped region of the drive transistor is connected to the ground, and a drain doped region of the drive resistor is connected with the first pole of the organic light emitting diode. The second pole of the organic light emitting diode is connected with an external power source. The grid of the second transistor is connected with a second scanning signal, and the first electrode and the second electrode of the second transistor are connected with the first pole and the second pole of the organic light emitting diode respectively. According to the AMOLED pixel drive circuit, a traditional capacitor and a PMOS transistor are replaced by the drive transistor with the adjustable threshold voltage. Therefore, the relative aperture of the pixel drive circuit is greatly improved, and light-emitting efficiency of the pixel drive circuit is greatly improved.

The invention discloses a shift register, a gate driving circuit, a display panel and a driving method. The shift register comprises an input control unit, which is used for controlling to input a first input signal and a second input signal; a register unit, which is used for outputting a first output signal and a second output signal according to the first input signal and the second input signal; a first shift output unit, which is used for outputting a light-emitting control signal according to the first output signal and the second output signal; and a second shift output unit, which is used for outputting a scanning signal according to the first output signal and the second output signal. The shift register is simple in structure, can output the light-emitting control signal and the scanning signal simultaneously with small number of thin film transistors, has stable node voltage, adopts small number of signal lines, is low in production cost and is convenient for narrow frame design.

The invention relates to an oscillating type control method of a door wing of a safe passage, which is characterized by comprising the steps of: arranging a drive motor in a door base frame, connecting the drive motor with an oscillating shaft in a drive way, arranging an oscillating wing at one side of the oscillating shaft, and realizing reciprocated oscillation of the oscillating wing along the oscillating shaft under the drive of the rotation of the oscillating shaft. The door wing oscillating type control method of the safe passage has reasonable design, stable control use property and long service life. A drive structure and a drive mode are simple and convenient and easy to maintain; the wear rate of a drive assembly is reduced, and better closing and opening operations of the oscillating wing can be kept for a long time.

A multi-step microactuator is provided with the multiple supports in a stepper plate to give multi-step displacement to a controlled object. The microactuator has advantages such that multiple motion can be applied to the controlled object and that the object can be controlled in a low driving voltage and that simple motion control is applied by digital controlling and that the degrees of freedom in motion of the object can be chosen by the number of the stepper plate and that only single voltage is needed for driving the micromirror motion. With many advantages, the multi-step microactuator provides a solution to overcome the difficulties in controlling multi-step motion.

The invention provides a liquid crystal display device and a driving method thereof; the liquid crystal display device comprises a semi-penetrative semi-reflective liquid crystal display panel and a backlight modules which provide various single colors for the semi-penetrative half-reflective liquid crystal display panel; when the backlight module is started, the semi-penetrative semi-reflective liquid crystal display panel is matched with the backlight module by a color sequential driving method, thus displaying a colorful menu; when the backlight module is closed, the semi-penetrative semi-reflective liquid crystal display panel displays the grey menu by reflecting environmental light beam at the reflection area.

The invention provides a modularized automatic doffing robot. The modularized automatic doffing robot comprises a sky rail system, a ground rail system, a cantilever frame body and a package bearing mechanism; the sky rail system and the ground rail system comprise horizontal conveying modules, and the horizontal conveying modules are used for driving the modularized automatic doffing robot to move in the horizontal direction along a sky rail track in the sky rail system and a ground rail track in the ground rail system; a vertical lifting module is arranged at the joint of the cantilever frame body and the package bearing mechanism and used for driving the package bearing mechanism in the modular automatic doffing robot to move in the vertical direction along a vertical track in the cantilever frame body; and a yarn carrying rod assembly in the package bearing mechanism further comprises a first-stage pushing module and a second-stage pushing module, the first-stage pushing module is used for driving the yarn carrying rod assembly to longitudinally move along the bottom face of the package bearing mechanism, and the second-stage pushing module is used for driving a yarn cake in the yarn carrying rod assembly to be loaded and unloaded along a yarn carrying rod.