摘要:
A maintenance circuit for a display panel, the display panel being divided by a plurality of source driver integrated circuits into a plurality of partitions(X1-X8) corresponding thereto, wherein each of source driver integrated circuits controls one partition, each four of adjacent partitions form a group of partitions, each of the maintenance circuit units comprises: a first maintenance line(RP1, RP3) and a second maintenance line(RP2, RP4) each provided with a half-turn shape surrounding around a group of partitions corresponding thereto; a first operational amplifier(OP1, OP3) and a second operational amplifier(OP2, OP4), the inverting input terminal of each of which is connected to an output terminal thereof and is connected to a corresponding maintenance line; and a plurality of resistors(R1-R8, L1-L8) selectively connected in accordance with two partitions of the group of the partitions to be maintained, so as to respectively import the two partitions to non-inverting input terminals of the two operational amplifiers via signals outputted from a corresponding source driver integrated circuits, and to feed the signals outputted from the two operational amplifiers back to the corresponding partitions.
摘要:
A polarity inversion driving method, a driving apparatus and a liquid crystal display device, for attenuating the flickers due to POL inversion. The polarity inversion driving method is used for inversion of polarity of pixels on the liquid crystal panel, and comprises: generating a polarity inversion reference signal for reflecting selection of polarity of each row of pixels on the liquid crystal panel; generating a control signal comprising control levels generated in m frames, where m is an integer higher than or equal to two, wherein width of the control level in each of the m frames is gradually increased in chronological order to be equal to a time length of one frame; as an alternative, the width of the control level in each of the m frames is gradually decreased in chronological order from the time length of one frame to zero; and generating a polarity inversion signal from the polarity inversion reference signal and the control signal.
摘要:
There are provided a driving apparatus of a display panel and a driving method thereof, and a display device. The driving apparatus of the display panel comprises a gate driver circuit (101) configured to input a turn-on signal to each gate line on the display panel at a first moment; and a source driver circuit (102) configured to input a first voltage to each data line on the display panel at a first moment, the first voltage being a common electrode voltage of the display panel. The driving apparatus and the driving method, and the display device are capable of raising the effect of eliminating shutdown image sticking.
摘要:
The application relates to a shift register unit and a driving method thereof, a shift register circuit and a display apparatus. The shift register unit may include a gate starting terminal, a first clock terminal, a second clock terminal, a reset terminal, a low level terminal, a gate output terminal, a storage capacitor, a charging module, an output control module and a reset module. In the shift register according to the present application, since the reset operation is under control of the second transistor and the fifth transistor both, an improper reset operation will not occur, even if the signal at the reset terminal is unstable.
摘要:
The present disclosure relates to the display technique. Disclosed is a display driving circuit, comprising: a gate line driving circuit, configured to separate gate line driving signals of adjacent rows according to a first output enable signal; a shielding signal generation circuit, configured to trigger and generate a shielding signal when the gate line driving signal needs to be turned off; and a gate line shielding circuit, configured to shield the first output enable signal according to the shielding signal so as to turn off the gate line driving signal, wherein the first output enable signal is inputted from a first inputting terminal of the gate line shielding circuit, the shielding signal is inputted from a second inputting terminal of the gate line shielding circuit, and an outputting terminal of the gate line shielding circuit is connected to the gate line driving circuit. The display driving circuit, a driving method thereof and a display apparatus according to the embodiments of the present disclosure are capable of shielding the first output enable signal directly according to the shielding signal so as to turn off the gate line driving signal and shield the data on the corresponding gate lines, thereby they can avoid occurring of abnormal statuses with the first output enable signal and also can save the cost and space of the circuit.