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.

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 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 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 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 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.

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 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 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.