In a liquid crystal device, a first pixel area is provided in a pixel area of a first substrate, and a second pixel area is provided between the first pixel area and a seal material. The first pixel area has a first pixel electrode to which an image signal is applied, the image signal having a potential alternately switching between a positive polarity and a negative polarity with reference to a first central potential. The second pixel area includes a second pixel electrode to which a first driving potential is applied, the first driving potential having a potential alternately switching between a positive polarity and a negative polarity with reference to a second central potential, the first central potential and the second central potential having a potential difference set therebetween. Therefore, ionic impurities can be efficiently swept from the first pixel area to the second pixel area.

In a liquid crystal device, an electrode is provided between a pixel area of a first substrate and a seal material, and an AC signal is applied to the electrode where a potential with respect to a common potential applied to a common electrode as a reference potential is alternately switched between a positive polarity and a negative polarity. For the AC signal, a length of a positive polarity period where a polarity becomes positive with respect to the common potential and a length of a negative polarity period where a polarity becomes negative with respect to the common potential are different. When anionic impurities of a liquid crystal layer are focused, a positive polarity period length is greater than a negative polarity period length. When cationic impurities of the liquid crystal layer are focused, a negative polarity period length is greater than a positive polarity period length.

An in-cell touch panel includes a mode switching control circuit and a counter substrate electrode control circuit. The mode switching control circuit switches, in a time-division manner, the operation mode of the in-cell touch panel between a display mode in which a display signal is supplied by a display control circuit to pixel electrodes, and a touch detection mode in which a driving signal is supplied by a driving control circuit to touch sensor electrodes. The counter substrate electrode control circuit supplies a counter substrate electrode with a signal that is in synchronization with the driving signal and that has the same polarity as that of the driving signal in a period while the in-cell touch panel is in the touch detection mode, or causes the potential of the counter substrate electrode to be in a floating state in a period while the in-cell touch panel is in the touch detection mode.

The present disclosure provides a method for sending driving data of a backlight source, a control circuit and a display device. The method includes: acquiring driving data of a plurality of rows of light-emitting elements included in the backlight source; and sending the driving data of the plurality of rows of light-emitting elements to a driving circuit of the backlight source at many times, wherein at least one data packet is sent each time, each data packet includes driving data for driving one row of light-emitting elements and a quantity of data packets sent each time is less than a quantity of rows of light-emitting elements included in the backlight source.

An information handling system includes a timing controller configured to transmit a command for a common voltage of a particular frame rate to a power management circuit. A storage component may store digital information, wherein each digital information is associated with the common voltage of a particular frame rate. The power management circuit supports a variety of common voltage requirements of the liquid crystal display including an ability to select digital information of the digital information that is associated with the common voltage at the particular frame rate stored in the storage component and apply the common voltage at the particular frame rate to the liquid crystal display.

The ambient illuminance and light geometry detection system includes a computing process including receiving a hinge angle between two displays of a foldable computing device, illuminance values from illuminance sensors of the displays, and screen activity of each of the displays of the foldable computing device, determining foldable computing device posture information based at least in part on the hinge angle and the screen activity of each of the displays, determining a user facing display of the foldable computing device based at least in part on the device posture information and the screen activity of the displays, assigning differential weights to an illuminance value received from an illuminance sensor of the user facing display compared to an illuminance value received from an illuminance sensor of the non-user facing display and generating an aggregate weighted average illuminance by applying the differential weights to the illuminance values of each of the displays.

Disclosed are a driving circuit, a multi-stage driving circuit and a display panel. The driving circuit includes an input circuit, a pull-down circuit and an output circuit. The output circuit includes at least two sub-output circuits, the control terminals of the two adjacent sub-output circuits are connected through at least one isolation switch. Each sub-output circuit receives a control signal and a corresponding input signal output by the input circuit and outputs a corresponding output signal. An output terminal of each sub-output circuit is connected with the pull-down circuit and receives a pull-down signal. By arranging the isolating switch between the adjacent sub-output circuits, the mutual influence between the sub-output circuits is reduced, the problem that the output signal is abnormal is solved, the output signal is more stable on the basis of narrowing the frame of a display, and the competitiveness of the display is improved.

The present application discloses a reference voltage generation system and method. The reference voltage generation system includes: a reference voltage generator; and a voltage division circuit coupled to the reference voltage generator. The reference voltage generator is coupled to a reference voltage through the voltage division circuit.

A display device includes: a first pixel transistor couples one electrode of holding capacitance to a first signal line; a second pixel transistor couples another electrode of the holding capacitance to a second signal line; a third pixel transistor couples the other electrode of the holding capacitance to a GND potential; and a driver that supplies a negative potential to the second signal line when the first signal line is supplied with a positive potential, supplies the GND potential to the second signal line when the first signal line is supplied with the GND potential, and supplies the positive potential to the second signal line when the first signal line is supplied with the negative potential. The first and second pixel transistors are on during a writing period and off during a holding period. The third pixel transistor is off during the writing period and on during the holding period.

A display device includes: first and second substrates with a liquid crystal therebetween; pixel electrodes and a common electrode provided to the first or second substrate; a light source including first to third light sources; and an image processor generating a signal to be provided to each pixel based on an input image signal. A frame period includes a first subframe period in which the first light source is on, a second subframe period in which the second light source is on, a third subframe period in which the third light source is on, and a fourth subframe period in which one or more of the first to third light sources are on. The image processor divides a gradation value into two values smaller than the gradation value, allocates one of the two values to the fourth subframe period, and allocates the other value to the other first subframe period.