A display device includes a plurality of pixels. One of the pixels includes a light emitting diode and a driving circuit coupled to the light emitting diode. A display frame period includes at least two emission periods. The light emitting diode emits light according to a data signal including a gray level in each of the at least two emission periods.

Methods for driving an electrophoretic medium including two pairs of oppositely charged particles. The first pair including a first type of positive particles and a first type of negative particles and the second pair consists of a second type of positive particles and a second type of negative particles, wherein the first pair of particles and the second pair of particles have different charge magnitudes (identifiable as zeta potentials). In particular, the driving methods produce cleaner optical stakes of the lesser-charged particles with less contamination from the other particles and more consistent electro-optical performance when the intermediate driving voltages are modified.

A display device including: a sensor part including sensors; a sensor driver that transmits a sensing signal to p sensors of a first area of the sensor part in a first mode and a sensing signal to q sensors in the first area in a second mode; and a display driver that transmits a light emitting signal to pixels for the pixels to have s non-light emitting periods during one frame period in the first mode, and the light emitting signal to the pixels for the pixels have t non-light emitting periods during the one frame period in the second mode, wherein p is an integer larger than 0, q is an integer larger than p, s and t are integers larger than 1, and a sum of lengths of the t non-light emitting periods is larger than a sum of lengths of the s non-light emitting periods.

A display device includes a display control circuit. The display control circuit includes: an arithmetic unit obtaining a video signal, and calculating, in accordance with the video signal, an average voltage value of a source signal in a display period; and a controller and a signal synthesizer supplying, in the display period, a source signal, based on the video signal, from a source drive circuit to a plurality of source lines, and supplying, in a suspension period, a source signal, having the average voltage value, from a source drive circuit to each of the source lines.

A display device including: a sensor part including sensors; a sensor driver that transmits a sensing signal to p sensors of a first area of the sensor part in a first mode and a sensing signal to q sensors in the first area in a second mode; and a display driver that transmits a light emitting signal to pixels for the pixels to have s non-light emitting periods during one frame period in the first mode, and the light emitting signal to the pixels for the pixels have t non-light emitting periods during the one frame period in the second mode, wherein p is an integer larger than 0, q is an integer larger than p, s and t are integers larger than 1, and a sum of lengths of the t non-light emitting periods is larger than a sum of lengths of the s non-light emitting periods.

A display may have an array of pixels to display images. Gate line driver circuitry may have stages that supply gate line signals. A gate line may be located in each row of the pixels. Each stage may have an output block that produces a respective one of the gate line signals and may have a carry block that separately produces a carry signal that is provided to a later stage in the gate line driver circuitry. A memory may be provided in at least some of the stages to store signals produced by the output blocks during intraframe pausing operations. At the end of an intraframe pause, the stored signals may be used in restarting production of the gate line signals by output blocks in the gate line driver stages. Circuitry may be used to separately reset the output block and suppress carry signal production by the carry block.

A display unit includes: a display section having an electrophoretic display device provided among a plurality of first electrodes and a second electrode, and displaying an image by switching a white, black, or gray-scale display state depending on an applied voltage; and a drive circuit driving the display section by varying a voltage applied to the first electrodes, while holding the second electrode at a common potential during a write period including frame period(s). When a first region of the display section has a first display state of white or black during a first write period, and an image of a second region thereof is changed while holding the first display state at the first region upon switchover from the first write period to a temporally-continued second write period, the drive circuit offsets the common potential toward a direction in which a voltage applied to the first region is raised.

A display unit includes an electrophoretic display device in which an optical reflectance varies on a time-series basis depending on an applied voltage, and a drive circuit that performs voltage drive of the electrophoretic display device. The drive circuit applies a first voltage directed to display to the electrophoretic display device over a period of one or more frames, and applies, in the period of one or more frames, a second voltage that is different from the first voltage once or a plurality of times on or after a first point of time at which a derivative value of the optical reflectance reaches a maximum magnitude.

A display panel and a method for driving the same, and a display device are provided. The display panel includes a light emitting element and a pixel circuit that includes a data writing module configured to provide a data signal and an adjusting voltage, a driving module configured to provide a driving current to the light emitting element and including a driving transistor, and a compensation module configured to compensate a threshold voltage of the driving transistor. An operation process of the display panel includes a period of a data writing frame during which the pixel circuit executes a data writing phase during which the data writing module writes the data signal and a light emitting phase, and a period of a holding frame during which the pixel circuit executes a reset and adjustment phase during which the data writing module writes the adjusting voltage and the light emitting phase.

A control method of an electronic ink screen includes: outputting a first color driving signal to pixel(s) expected to display a first color in the electronic ink screen. The first color driving signal includes a first dither signal and a first color first pull-up signal in adjacent periods. The first dither signal includes a first rectangular wave signal, a first electric field cancellation signal and a first constant voltage signal. The first constant voltage signal is configured to drive first color charged particles in the pixel(s) expected to display the first color to move toward a side proximate to a display surface of the electronic ink screen, and the first color first pull-up signal is configured to drive the first color charged particles in the pixel(s) expected to display the first color to move toward the side proximate to the display surface of the electronic ink screen.