摘要:
A drive circuit includes a drive unit coupling with data lines for receiving at least one clock signal and a first enable signal to generate a drive signal to drive data lines, and a delay unit electrically coupled with the drive unit for receiving the clock signal and the first enable signal and generating a second enable signal falling subsequent to the first enable signal in a predetermined time interval.
摘要:
A drive circuit includes a drive unit coupling with data lines for receiving at least one clock signal and a first enable signal to generate a drive signal to drive data lines, and a delay unit electrically coupled with the drive unit for receiving the clock signal and the first enable signal and generating a second enable signal falling subsequent to the first enable signal in a predetermined time interval.
摘要:
A data driver using a gamma selecting signal, a flat panel display with the same and a driving method therefor are provided. A first to a fourth data lines are electrically connected to a first left sub-pixel, a first right sub-pixel, a second right sub-pixel and a second left sub-pixel, respectively. The data driver includes a first, a second, a third and a fourth gray level generating units for outputting a first set of positive gray voltage, a second set of negative gray voltage, a second set of positive gray voltage and a first set of negative gray voltage, respectively. The data driver drivers these sub-pixels according to the first set of positive gray voltage, the second set of negative gray voltage, the second set of positive gray voltage and the first set of negative gray voltage under the control of a polarity inversion signal and a gamma selecting signal.
摘要:
A shift register applied on a double-frame-rate LCD is provided. The LCD includes an upper display area with c gate lines, a lower display area with d gate lines, and a gate driving circuit. The gate driving circuit includes a first shift register coupled to the corresponding x gate lines of the upper display area, a second shift register coupled to the corresponding y lines of the lower display area, and a third shift register coupled to the corresponding (c-x) gate lines of the upper display area and the corresponding (d-y) gate lines of the lower display area.
摘要:
A data driver using a gamma selecting signal, a flat panel display with the same and a driving method therefor are provided. A first to a fourth data lines are electrically connected to a first left sub-pixel, a first right sub-pixel, a second right sub-pixel and a second left sub-pixel, respectively. The data driver includes a first, a second, a third and a fourth gray level generating units for outputting a first set of positive gray voltage, a second set of negative gray voltage, a second set of positive gray voltage and a first set of negative gray voltage, respectively. The data driver drivers these sub-pixels according to the first set of positive gray voltage, the second set of negative gray voltage, the second set of positive gray voltage and the first set of negative gray voltage under the control of a polarity inversion signal and a gamma selecting signal.
摘要:
A shift register applied on a double-frame-rate LCD is provided. The LCD includes an upper display area with c gate lines, a lower display area with d gate lines, and a gate driving circuit. The gate driving circuit includes a first shift register coupled to the corresponding x gate lines of the upper display area, a second shift register coupled to the corresponding y lines of the lower display area, and a third shift register coupled to the corresponding (c-x) gate lines of the upper display area and the corresponding (d-y) gate lines of the lower display area.
摘要:
A panel circuit structure for transmitting electrical signals to an active area is provided. The panel circuit structure includes a first transmission pad, a first test pad, a second transmission pad, a second test pad, and a third transmission pad, which are connected to a driving element. The first transmission pad, the first test pad, the second transmission pad, and the second test pad transmit electrical signals to the active area via the first transmission lines and second transmission lines. The first transmission pads and the second transmission pads are disposed at a first end of the driving element while the third transmission pad is disposed at a second end of the driving element. The first and second test pads are disposed outside the coverage area of the driving element.
摘要:
A driving apparatus for a liquid crystal display (LCD) is provided. The driving apparatus includes a plurality of data driving ICs and a control board. The data driving ICs are used for receiving and transmitting a clock signal, a plurality of data signals and a first reference voltage from the 1st data driving IC to the last data driving IC in series. The control board is used for providing the clock signal, the data signals and the first reference voltage, and changing the first reference voltage received by each data driving IC according to a variation of the clock signal and the data signals transmitted between the data driving ICs, so that the operation frequency of the data driving ICs is unrestricted.
摘要:
In an exemplary flat display apparatus and control circuit and method for controlling the flat display apparatus, the flat display apparatus includes a plurality of gate driving units, each of which controls the operation of a scan line in the flat display apparatus. The flat display apparatus provides a first gate high level voltage signal and a second gate high level voltage signal to the gate driving units such that the first and second gate high level voltage signals are used as voltage signals transmitted to corresponding scan lines. The first and second gate high level voltage signals respectively include a falling edge with a slope. Duration time of the falling edge of the first gate high level voltage signal is longer than that of the falling edge of the second gate high level voltage signal.
摘要:
A driving circuit includes a power supply, a plurality of conductive paths and a plurality of driving controller. The power supply is configured for providing a predetermined voltage. The conductive paths are connected to the power supply to receive the predetermined voltage. The driving controllers are connected to the conductive paths correspondingly. A first driving controller of the driving controllers has a first internal circuit configured for employing an internal voltage to perform functions provided by the first driving controller, and a resistance adjustment unit. The resistance adjustment unit is connected between a special conductive path and the first internal circuit. The second driving controller has a second internal circuit configured for employing a second internal voltage to perform functions provided by the second driving controller. A resistance value of the resistance adjustment unit is adjustable to make the first internal voltage same to the second internal voltage.