A display device includes a plurality of pixels respectively coupled to first scan lines, second scan lines and data lines; and a scan driver to supply first scan signals to the first scan lines and second scan signals to the second scan lines, wherein the pixel includes a first transistor having a gate electrode connected to a first node, one electrode connected to a first power line, and other electrode connected to a second node; a second transistor having a gate electrode connected to a first scan line, one electrode connected to a data line, and other electrode connected to the first node, the second transistor being turned on in a first time period of a frame when the first scan signal is applied; a third transistor having a gate electrode connected to a second scan line, one electrode connected to the second node, and other electrode connected to an initialization line, the third transistor being turned on in the first time period and at least one second time period of the frame when the second scan signal is applied; a storage capacitor having one electrode connected to the first node and other electrode connected to the second node; and a light emitting diode having an anode connected to the second node and a cathode connected to a second power line, wherein the number of the first and second scan signals applied to the pixel during the frame period is different from each other.

A liquid crystal display device and a driving method thereof are disclosed. The method for driving the liquid crystal display device comprises the following steps: converting three primary color gray-scale data of a frame image to be displayed into multiple color gray-scale data; and presenting a first color field and a second color field of the frame image in sequence, wherein when each color field is presented, different sub pixels are driven according to a color of the backlight of the color field, the multiple color gray-scale data of the frame image, and pre-stored gray-scale data. According to the method, the color shift phenomena of the traditional liquid crystal display device can be eliminated.

Systems and techniques for scanning-beam display are provided to use local dimming on the optical energy of at least one optical beam to minimize the non-uniform image brightness across the screen. This local dimming during the beam scanning can be achieved by adjusting optical energy of at least one optical beam during the scanning based on (1) the location of the scanning optical beam and (2) the predetermined distortion information at the location.

Provided is a configuration for executing display information output control with improved visibility of a user wearable or portable display unit. A controller configured to execute display information output control on a user wearable or portable display unit is included. The controller sets a turning on (ON) period and a turning off (OFF) period and controls switching between afterimage consideration pulse display having the turning off period being set to be within an afterimage recognition period and normal pulse display having the turning off period being set to be longer than or equal to the afterimage recognition period, the turning on (ON) period being an output period of display information to the display unit, the turning off (OFF) period being a non-output period of display information to the display unit. The controller executes the switching control between the afterimage consideration pulse display and the normal pulse display depending on eye velocity of a user. The controller executes the afterimage consideration pulse display in a case where eye velocity of the user is less than a threshold and executes the normal pulse display in a case where the eye velocity is more than or equal to the threshold.

A display device includes a display panel, a timing controller, and a data driver. The display panel includes a central region and a peripheral region. The timing controller converts image data to converted data so that a maximum luminance of the peripheral region is less than a maximum luminance of the central region. The data driver generates a data signal based on the converted data and to provide the data signal to the display panel.

A system and method for estimating and using pixel compensation coefficients. In some embodiments, the method includes, during a first time interval: comparing a first pixel current for a pixel of the display with a first reference current, to obtain a first pixel current error signal, the first pixel current error signal being the sign of a difference between the first pixel current and the first reference current; and updating one or more compensation coefficients for the pixel, based on the first pixel current error signal.

The present invention proposes an AMOLED driving device. The AMOLED device includes an AMOLED driving circuit, a scan driving signal source, a data driving signal source, and a data driving signal source control module. The AMOLED driving circuit includes a first semiconductor controllable switch, a second semiconductor controllable switch, an energy storage capacitor, and an organic light emitting diode.

The present application discloses a pixel driving circuit for generating a pixel luminance with multiple grayscale levels. The circuit includes a data input sub-circuit configured to input data signal once in each of multiple scans in one cycle time for displaying one frame of image. The circuit further includes a latch sub-circuit configured to latch a first voltage level in-phase with the data signal at the first node and a second voltage level out-of-phase with the data signal at a second node. Additionally, the circuit includes a data output sub-circuit configured to output a drive signal at a low voltage level under control of the first voltage level or at a high voltage level under control of the second voltage level. Furthermore, the circuit includes an emission-control sub-circuit configured to pass the drive signal to drive a light-emitting device in one partial time section of each of the multiple scans.

The present disclosure discloses a method and system for switched display of a grayscale of a multi-line scan light-emitting diode (LED), and relates to the field of LED display technology. In view of the problems in the prior art that a multi-line scan constant-current source chip has an insufficient refresh rate, a low grayscale level, and a poor low-grayscale effect, the present disclosure provides a method during the display of relatively high grayscales, a display cycle is scrambled. During the display of relatively low grayscales, the grayscales are combined. In the present disclosure, a relatively high refresh rate and a grayscale level can still be ensured in a case of a relatively large quantity of line scans. In addition, in the case of low-grayscale display, the problems such as low-grayscale speckles, slightly dark low-grayscale, and relatively poor low-grayscale linearity are resolved, thereby improving a picture display effect.

Disclosed herein is a low-cost, high-performance, and energy-efficient near-sensor convolution engine based on pulsed unary processing. The disclosed engine removes the necessity of using costly analog-to-digital converters. Synthesis results show that the proposed pulse-based design significantly improves the hardware cost and energy consumption compared to the conventional fixed-point binary and also to the stochastic computing-based designs.