摘要:
A gate signal line driving circuit includes plural basic circuits, each outputting to a gate signal line a gate signal which is high during a high signal period and low during a low signal period. Each of the basic circuits includes: agate line high voltage application circuit which is turned on in accordance with the high signal period to apply the high voltage to the gate signal line; a gate line low voltage application circuit which is turned on in accordance with the low signal period to apply the low voltage to the gate signal line; and a second gate line low voltage application circuit which is turned on to apply the low voltage to the gate signal line in at least a part of a period between turning off the gate line high voltage application circuit and turning on the gate line low voltage application circuit.
摘要:
A liquid crystal display device which can reduce a circuit scale of a drive circuit is provided. A TFT substrate of the liquid crystal display device includes a pixel circuit in each pixel, and the pixel circuit includes a thin film transistor, a pixel electrode which is connected to a source side of the thin film transistor, and a common electrode which is one planar transparent electrode extending in a display region in a planar shape. A vertical drive circuit includes a transistor which is driven by a control signal voltage including a clock signal from a drive IC, and constitutes a damper for a high voltage. The drive IC outputs an equalizing switch signal voltage to equalizing switches which connect the common electrode and data signal lines.
摘要:
Provided is a gate signal line driving circuit including: 2n clock signal lines where 2n-phase clock signals are input in the normal order of the sequence in normal-directional scanning and in the inverse order of the sequence in inverse-directional scanning, respectively; and a plurality of basic circuits, each being connected with the 2n clock signal lines and outputting a gate signal from an output terminal, in which each of the basic circuits includes a high-voltage applying switching circuit where one clock signal line is connected to an input side and applies a voltage applied to the clock signal line to the output terminal and an off-signal applying switching circuit that applies an off-voltage to a switch of the high-voltage applying switching circuit, and a clock signal line where a clock signal having an inverse phase is connected to a switch of the off-signal applying switching circuit.
摘要:
In a liquid crystal display device which arranges a drive circuit on left and right sides of a display region in a two-split manner, flickering at an edge of a screen can be reduced. In a liquid crystal display device which arranges first and second counter electrode drive circuits on left and right sides of a display region respectively, during an arbitrary 1 frame period, a first counter electrode signal drive circuit 3L applies a first voltage to at least one counter electrode signal line portion CX1, CX3, . . . CXn−1 and a second voltage different from the first voltage to at least one counter electrode signal line portion CX1, CX3, . . . CXn−1, and a second counter electrode signal drive circuit 3R applies the first voltage to at least one counter electrode signal line portion CX2, CX4, . . . CXn and the second voltage to at least one counter electrode signal line portion CX2, CX4, . . . CXn.
摘要:
The present invention provides a liquid crystal display device where a common driver circuit formed of only a single channel transistor can be made smaller, wherein the counter electrode driving circuit has M basic circuits that are connected to M counter electrodes (M≧2), the (n−1)th selection scan signal, the nth selection scan signal, an alternating current signal and an inverse alternating current signal are inputted in the nth basic circuit (1≦n≦M), there is a difference in phase between said selection scan signal and said alternating current signal, as well as between said selection scan signal and said inverse alternating current signal, and said nth basic circuit supplies a positive or negative counter voltage to the Nth counter electrode on the basis of said inputted (n−1)th selection scan signal, nth selection scan signal, alternating current signal and inverse alternating current signal.
摘要:
The present invention provides a liquid crystal display device where a common driver circuit formed of only a single channel transistor can be made smaller, wherein the counter electrode driving circuit has M basic circuits that are connected to M counter electrodes (M≧2), the (n−1)th selection scan signal, the nth selection scan signal, an alternating current signal and an inverse alternating current signal are inputted in the nth basic circuit (1≦n≦M), there is a difference in phase between said selection scan signal and said alternating current signal, as well as between said selection scan signal and said inverse alternating current signal, and said nth basic circuit supplies a positive or negative counter voltage to the Nth counter electrode on the basis of said inputted (n−1)th selection scan signal, nth selection scan signal, alternating current signal and inverse alternating current signal.
摘要:
A gate signal line driving circuit includes plural basic circuits, each outputting to a gate signal line a gate signal which is high during a high signal period and low during a low signal period. Each of the basic circuits includes: agate line high voltage application circuit which is turned on in accordance with the high signal period to apply the high voltage to the gate signal line; a gate line low voltage application circuit which is turned on in accordance with the low signal period to apply the low voltage to the gate signal line; and a second gate line low voltage application circuit which is turned on to apply the low voltage to the gate signal line in at least a part of a period between turning off the gate line high voltage application circuit and turning on the gate line low voltage application circuit.
摘要:
Provided is a gate signal line driving circuit including: 2n clock signal lines where 2n-phase clock signals are input in the normal order of the sequence in normal-directional scanning and in the inverse order of the sequence in inverse-directional scanning, respectively; and a plurality of basic circuits, each being connected with the 2n clock signal lines and outputting a gate signal from an output terminal, in which each of the basic circuits includes a high-voltage applying switching circuit where one clock signal line is connected to an input side and applies a voltage applied to the clock signal line to the output terminal and an off-signal applying switching circuit that applies an off-voltage to a switch of the high-voltage applying switching circuit, and a clock signal line where a clock signal having an inverse phase is connected to a switch of the off-signal applying switching circuit.
摘要:
A liquid crystal display device which can reduce a scale of the whole counter-electrode-signal drive circuits is provided. The liquid crystal display device includes: a substrate; a plurality of counter electrodes which are formed on the substrate corresponding to pixels; a plurality of counter electrode signal lines which are formed on the substrate, are electrically made conductive with the counter electrodes, extend in the X direction, and are arranged parallel to each other in the Y direction which intersects the X direction; and counter electrode signal drive circuits having control signal outputting parts which are mounted on the substrate at a rate of one control signal outputting part for two counter electrode signal lines.
摘要:
A first communication apparatus 100 transmits a pilot signal which was generated by a pilot signal generation section 14, at predetermined timing, and detects an unbalance component of a transmission line 300 at the time of pilot signal transmission in an unbalance component detection section 13, and controls a transmission signal in such a manner that an unbalance component is reduced by a transmission control section 12 on the basis of the detected unbalance component.