G09G2310/0248

MULTIPLEXING DRIVING METHOD, MULTIPLEXING DRIVING MODULE AND DISPLAY DEVICE
20220383798 · 2022-12-01 ·

A multiplexing driving method includes: within an initial time period, applying, by a source driver, an initial voltage to a pre-charging multiplexing switch; within a first charging time period, controlling different non-pre-charging multiplexing switches to be turned on in a time-division manner, so as to write a corresponding grey-scale voltage into corresponding non-pre-charging data lines in a time-division manner via the turned-on non-pre-charging multiplexing switches; and within a second charging time period, controlling, by the gate driving circuit, a corresponding gate line to be turned on; controlling different pre-charging multiplexing switches to be turned on in a time-division manner; and applying, by the source driver, a corresponding grey-scale voltage to the pre-charging multiplexing switches to write the corresponding grey-scale voltage to pixel circuits in a row corresponding to the gate line and electrically connected to the corresponding pre-charging data lines respectively in a time-division manner.

Display device which improves ghost images and related driving circuit and method
11514850 · 2022-11-29 · ·

A display device includes a luminescent array and a column driver. The cathodes of the first row of luminescent devices are coupled to a first word line. The anodes of the second row of luminescent devices are coupled to a second word line. In the m.sup.th column of luminescent devices, the anode of a first luminescent device in the first row is coupled to the cathode of a second luminescent device in the second row. The column driver includes a switch and two multiplexers. The switch controls the path between input signal and the m.sup.th column of luminescent devices. The first multiplexer provides a first driving signal for charging the parasite capacitor in the switch and the first luminescent device during a first period. The second multiplexer provides a second driving signal for charging the second luminescent device and discharging the parasite capacitor in the switch during a second period.

Electro-optical panel controlling driving sequences in demultiplex driving
11587523 · 2023-02-21 · ·

A circuit device includes: a selection signal output circuit configured to output a selection signal based on first to fourth driving sequences in demultiplex driving, and a data line driving circuit configured to output first to fourth data signals to a data signal supply line in order of the first to fourth driving sequences. In the first driving sequence, the selection signal output circuit activates an i-th selection signal, and the data line driving circuit outputs an i-th data signal to an i-th data line. At this stage of operation, after the first to fourth driving sequences, a rewriting operation in which the selection signal output circuit activates the i-th selection signal, and the data line driving circuit outputs the i-th data signal to the i-th data line is performed.

DISPLAY DEVICE AND METHOD FOR DRIVING SAME
20220358880 · 2022-11-10 ·

In a pixel circuit of a display device in which display luminance is controlled by a holding voltage of the capacitor Cst, a gate terminal of a drive transistor M1 is connected to a source terminal of the drive transistor M1 via a capacitance selection transistor M3 and the holding capacitor Cst and is also connected to the source terminal via only an auxiliary writing capacitor Cwa. During a data writing period Tw, the capacitance selection transistor M3 is turned off, and data voltage is provided from a data signal line Dj to the auxiliary writing capacitor Cwa via a writing control transistor M2. Thereafter, the writing control transistor M2 is turned off, the capacitance selection transistor M3 is turned on, so that charges are redistributed between the auxiliary writing capacitor Cwa and the holding capacitor Cst, whereby a driving holding voltage is determined.

CHARGING CIRCUITRY, DISPLAY DEVICE, WEARABLE DEVICE, AND DISPLAY DRIVING METHOD AND DEVICE

The present disclosure provides a charging circuitry, a display device, a wearable device, a display driving method and a display driving device. The charging circuitry includes: a driving sub-circuitry configured to receive an image signal and convert the image signal into a display driving signal to be outputted to a data line of the array substrate; a circuitry power supply voltage end configured to apply a direct current voltage to the driving sub-circuitry; and a switch sub-circuitry arranged on a connection circuitry between the circuitry power supply voltage end and the driving sub-circuitry, and configured to be switched between a first state where the circuitry power supply voltage end is electrically coupled to the driving sub-circuitry and a second state where the circuitry power supply voltage end is electrically decoupled from the driving sub-circuitry.

DRIVE CIRCUIT, DISPLAY DEVICE, AND DRIVE METHOD
20230095998 · 2023-03-30 ·

The invention of the present application provides a drive circuit, a display device, and a drive method for reducing power consumption.

A drive circuit of the present invention includes a setting circuit configured to precharge, to a first voltage, a video signal line connected to a first transistor configured to sample a voltage of the video signal line, and an adjustment circuit configured to adjust a voltage of the video signal line by charging or discharging the video signal line precharged to the first voltage during a time period corresponding to a second voltage set in the video signal line.

Display device and method for driving the same
11574604 · 2023-02-07 · ·

A display device can include a display panel configured to display images; and a data driver configured to receive digital data signals, determine a difference value between two consecutive data signals for data voltages to be output based on the digital data signals, change a voltage of the data voltages based on the difference value to generate a changed data voltage, and output the changed data voltage.

ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS

In an electro-optical device, pixel circuits are provided corresponding to an intersection between a scanning line in an i-th row and a data line in a k-th column in a display region, and an intersection between a scanning line and data line. The pixel circuit is brought into an optical state in accordance with a voltage of a data line when a scanning line is selected. In an odd frame period, in the i-th row selection period and the (i + 1)-th row, a data signal of a voltage corresponding to the i-th row and k-th column of data of the top image is output, and in an even frame period, in the i-th row selection period and the (i + 1)-th row, a data signal of a voltage corresponding to the (i + 1)-th row and the k-th column of data of the bottom image is output.

PIXEL, STAGE CIRCUIT AND ORGANIC LIGHT EMITTING DISPLAY DEVICE HAVING THE PIXEL AND THE STAGE CIRCUIT

A pixel includes a pixel circuit and an organic light emitting diode. The pixel circuit has first, second, third, and fourth transistors. The first transistor controls an amount of current flowing from a first driving power supply coupled to a first node to a second driving power supply through the organic light emitting diode. The turns on when a scan signal is supplied to a first scan line. The third transistor turns on when a scan signal is supplied to a second scan line. The fourth transistor turns on when a scan signal is supplied to a third scan line. The first transistor is a p-type Low Temperature Poly-Silicon thin film transistor and the third transistor and the fourth transistor are n-type oxide semiconductor thin film transistors.

DISPLAY DEVICE HAVING SCAN SIGNALS WITH ADJUSTABLE PULSE WIDTHS
20230084383 · 2023-03-16 ·

A display device includes a display panel including scan lines, first signal lines connected to the scan lines in a first pixel block, second signal lines connected to the scan lines in a second pixel block, third signal lines connected to the scan lines in a third pixel block; a first scan driver supplying a first output signal to the first signal lines based on a first sub-clock signal; a second scan driver supplying a second output signal to the second signal lines based on a second sub-clock signal; a third scan driver supplying a third output signal to the third signal lines based on and a third sub-clock signal; and a timing controller. Changes in pulse widths of the first to third output signals are different in one frame period.