Abstract: A method for driving a liquid crystal display (LCD) panel includes: driving the LCD panel according to a location of a pixel of the LCD panel and a corresponding compensation value of the pixel of the LCD panel. The compensation value of the pixel corresponds to an offset value of a reference brightness corresponding to brightness of a light spot of the LCD panel before compensation of the light spot of the LCD panel.

Abstract: A printed circuit board (PCB) is disclosed. The PCB includes a main body. A first surface of the main body is a connecting surface for electrical components. A second surface of the main body is a conductive cooper foil layer operating as ground wires. A plurality of grooves is arranged on the conductive cooper foil layer. The grooves pass through the conductive cooper foil layer to connect to the main body of the PCB. The thermal stress generated in the PCB welding process can be effectively released via the grooves. The inflation of the conductive cooper coil is relieved such that the PCB is prevented from being wrapped or cooper bubbling. In this way, the operation efficiency is enhanced and the manufacturing cost is reduced.

Abstract: A liquid crystal display (LCD) overdriving method, an LCD overdriving device and an LCD are disclosed. The LCD overdriving method improves displaying quality and a response speed of the LCD comprising the following steps of: receiving by a scaling controller, a previous frame image grayscale value stored into a frame buffer of the scaling controller; receiving a next frame image grayscale value by the scaling controller and sending the previous frame image grayscale value and the next frame image grayscale value to a time schedule controller so that the time schedule controller looks up a lookup table and outputs an overdriving grayscale value. The present disclosure can effectively save the cost by eliminating the need of providing an additional frame buffer in the time schedule controller. Furthermore, as image grayscale values of only two pixels need to be stored in the time schedule controller, it can save more memory spaces.

Abstract: A detecting method of abnormality of a differential signal receiving terminal of a liquid crystal displaying module, including: inputting high level signals to LVDS0+, LVDS0?, LVDS1+, LVDS? in order, in which only one high level signal is inputted to one of the differential signal lines and the other differential signal lines are kept in high impedance states simultaneously; and receiving feedback signals from all the differential signal lines and determining whether the differential signal lines of detecting units are abnormal or not according to the received feedback signals. The abnormality of the differential signal lines includes terminal resistive opens of the differential signal lines, a short circuit between two adjacent groups of differential signal lines, and short circuits of the differential signal lines to ground or to a power supply caused by abnormal power supplying sequence.

Abstract: A tangent angle circuit is connected to a plurality of scan line driving circuits and comprises: a charging module integrated on a control board to receive input of a direct current (DC) driving voltage and output a cut-in voltage to charge the scan line driving circuits; and a plurality of discharging modules integrated on the scan line driving circuits respectively to control the corresponding scan line driving circuits to discharge. In the present invention, by distributing the discharging modules on each of the scan line driving circuits respectively, the burden of load discharged charges on the discharging modules is reduced to avoid occurrence of an overhigh temperature; and the discharging modules are spatially separated, which is further favorable for reducing the temperature, releasing the space of the control board and reducing the area of the control board.

Abstract: The present invention provides a method for saving by-pass capacitor by using circuit board, which includes (1) providing a liquid crystal panel including two glass substrates and liquid crystal material containing liquid crystal molecules, the glass substrates forming a liquid crystal panel driving circuit, which includes a gate driver, a source driver, gate lines, and data lines; (2) providing a power supply module and a power connection circuit board including a base material on which a power route and a grounding route are provided to respectively form exposed copper zones at a location where a by-pass capacitor is desired to form so as to form an equivalent by-pass capacitor; (3) connecting the gate driver and the source driver via the power connection circuit board to the power supply module; and (4) activating the power supply module to control rotation of the liquid crystal molecules of each of the pixel units.

Abstract: The present disclosure provides a data driver circuit, a liquid crystal display (LCD) device, and a driving method. The data driver circuit for an LCD panel includes a source driver module, a pixel electrode, a common electrode opposite to the pixel electrode, and a gamma calibration module coupled to the source driver module. The source driver module is coupled to the pixel electrode. The data driver circuit further includes a compensation module. The compensation module detects and obtains a changed voltage of the common electrode voltage to generate a compensation voltage, and combines the compensation voltage and the gamma voltage of the gamma calibration module, then sends the combined voltage to the source driver module. The compensation voltage output by the compensation module and the changed voltage of the common electrode voltage can be mutually counteracted.

Abstract: A driving method for liquid crystal display (LCD) panel includes the following steps: A. sending feedback signals to a monitoring module before timing control modules (T-CONs) sends driving signals to drive display of the LCD panel; B. generating control signals when the monitoring module receives the feedback signal of each of the T-CONs, and then simultaneously sending the control signals to each of the T-CONs; C. sending a driving signal to drive display of the LCD panel when each of the T-CONs receives the control signal.

Abstract: The present disclosure provides a method of a liquid crystal display (LCD) module, a method for adjusting a common voltage, and an LCD module. The method includes saving a flicker pattern is used to adjust the common voltage in the timing controller (T-CON), setting a trigger condition for the flicker pattern, and displaying the flicker pattern on the LCD module when the LCD module meets the trigger condition.

Abstract: The invention discloses a flexible printed circuit board, a chip on film and a manufacturing method. The flexible printed circuit board used for hot pressing includes an insulating substrate with long edges; the insulating substrate is provided with a plurality of pins used for hot pressing; the pins of the flexible printed circuit board used for hot pressing are along the long edge of the insulating substrate; the spacing between two adjacent pins is gradually reduced from both ends to the middle. In the invention, after hot lamination, the spacing between the pins can almost keep constant and is equivalent to the expansion result of the LCD panel; thus, better electrical connection of the pins and the leads of the LCD panel can be ensured, and electrical contact is more reliable.

Abstract: A detecting method of abnormality of a differential signal receiving terminal of a liquid crystal displaying module, including: inputting high level signals to LVDS0+, LVDS0?, LVDS1+, LVDS? in order, in which only one high level signal is inputted to one of the differential signal lines and the other differential signal lines are kept in high impedance states simultaneously; and receiving feedback signals from all the differential signal lines and determining whether the differential signal lines of detecting units are abnormal or not according to the received feedback signals. The abnormality of the differential signal lines includes terminal resistive opens of the differential signal lines, a short circuit between two adjacent groups of differential signal lines, and short circuits of the differential signal lines to ground or to a power supply caused by abnormal power supplying sequence.

Abstract: The invention provides a method for driving an LCD panel, a display drive circuit, and an LCD device. The method for driving an LCD panel includes the following steps: A: obtaining a coordinate position of a pixel to be displayed on a current frame of the LCD panel and a ideal voltage required by the correspondingly displayed gray scale corresponding thereto; B: determining a compensating voltage for improving the uniformity of the LCD panel in accordance with the coordinate position of the current pixel on the LCD panel, and loading the compensating voltage onto the corresponding data line. The invention has the advantages that the charge time difference of all areas of the LCD panel caused by the charge resulting from waveform delay variation because of resistor and capacitor (RC delay) is improved, the display uniformity of LCD panels, in particular large LCD panels is improved, and the taste thereof is increased.

Abstract: A tangent angle circuit in a liquid crystal display (LCD) driving system comprises: a charging module integrated on a control board for receiving input of a direct current (DC) driving voltage and outputting a cut-in voltage to charge a plurality of scan line driving circuits; a plurality of discharging modules integrated on the scan line driving circuits respectively for controlling the corresponding scan line driving circuits to discharge; and a plurality of external regulating modules externally connected to the scan line driving circuits respectively and connected to the corresponding discharging modules to regulate the discharging modules so as to control a discharging rate of the scan line driving circuits. In the present invention, a discharge slope of the corresponding scan line driving circuit can be regulated; thereby, the tangent angle circuit is suitable for use with scan line driving circuits having different parasitic capacitors.

Abstract: A tangent angle circuit is connected to a plurality of scan line driving circuits and comprises: a charging module integrated on a control board to receive input of a direct current (DC) driving voltage and output a cut-in voltage to charge the scan line driving circuits; and a plurality of discharging modules integrated on the scan line driving circuits respectively to control the corresponding scan line driving circuits to discharge. In the present invention, by distributing the discharging modules on each of the scan line driving circuits respectively, the burden of load discharged charges on the discharging modules is reduced to avoid occurrence of an overhigh temperature; and the discharging modules are spatially separated, which is further favorable for reducing the temperature, releasing the space of the control board and reducing the area of the control board.

Abstract: A liquid crystal display (LCD) overdriving method, an LCD overdriving device and an LCD are disclosed. The LCD overdriving method improves displaying quality and a response speed of the LCD comprising the following steps of: receiving by a scaling controller, a previous frame image grayscale value stored into a frame buffer of the scaling controller; receiving a next frame image grayscale value by the scaling controller and sending the previous frame image grayscale value and the next frame image grayscale value to a time schedule controller so that the time schedule controller looks up a lookup table and outputs an overdriving grayscale value. The present disclosure can effectively save the cost by eliminating the need of providing an additional frame buffer in the time schedule controller. Furthermore, as image grayscale values of only two pixels need to be stored in the time schedule controller, it can save more memory spaces.

Abstract: The present invention discloses a liquid crystal panel driving circuit and a liquid crystal display (LCD) device using the same, multiple scan chips and multiple discharge resistors which are corresponding to all the scan chips one-to-one, wherein each said discharge resistor is used for loading the scan drive and the scan line of the corresponding scan chip. Because the loading resistor group of the clipper circuit is divided into multiple discharge resistors which are matched with all the scan chips, the discharge energy will be reduced as long as each discharge resistor is responsible for the loading of the corresponding scan chip, and the problem of local overheating will not be generated. In addition, the discharge resistors can be distributed into different positions; the arrangement of the driving circuit can be freely selected; the heat is uniformly dissipated by distributing the discharge resistors, and local overheating will be avoided and not affect the performance of the circuit.