A timing controller includes a receiving circuit, a timing control circuit, and a plurality of insertion loss circuits. The receiving circuit is configured to receive N frames of signals. The timing control circuit is configured to: detect a bit error rate of an (M-1).sup.th-frame signal in a blanking interval of an M.sup.th-frame signal; adjust a swing of the (M-1).sup.th-frame signal according to a target swing value corresponding to the bit error rate of the (M-1).sup.th-frame signal; and select the corresponding insertion loss circuit according to the target swing value corresponding to the bit error rate of the (M-1).sup.th-frame signal, wherein M and N are both positive integers, and M is greater than 1 and less than or equal to N. The present disclosure is applied to signal adjustment of the timing controller.

Electronic display devices include digital and analog control of pixel intensity. A digital pixel control circuit and an analog pixel control circuit are provided within each pixel. The digital pixel control circuit employs digital PWM techniques to control a number of subframes within each frame during which a driving current is supplied to a light emitting element within the pixel. The analog pixel control circuit controls the level of the driving current supplied to the light emitting element within the pixel during the frame. In one example, the digital pixel control circuit and the analog pixel control circuit may together control pixel intensity with the analog pixel control circuit providing additional in-pixel bits for increased color depth. Alternatively, the digital pixel control circuit may control pixel intensity and the analog pixel control circuit may control non-uniformity compensation.

A load, a transistor which controls a current value supplied to the load, a capacitor, a power supply line, and first to third switches are provided. After a threshold voltage of the transistor is held by the capacitor, a potential in accordance with a video signal is inputted and a voltage that is the sum of the threshold voltage and the potential is held. Accordingly, variation in current value caused by variation in threshold voltage of the transistor can be suppressed. Therefore, a desired current can be supplied to a load such as a light emitting element. In addition, a display device with a high duty ratio can be provided by changing a potential of the power supply line.

A pixel circuit includes an input circuit and a time control circuit. The input circuit includes a driving transistor, and the input circuit is configured to write a data signal into a gate of the driving transistor in response to a first gate signal, so that the driving transistor outputs a driving signal for driving an element to be driven to emit light according to a gate voltage and a source voltage thereof. The time control circuit is coupled to the input circuit and the element to be driven, and is configured to control the input circuit to transmit the driving signal to the element to be driven for a first duration, and control the input circuit to transmit the driving signal to the element to be driven for a second duration. The second duration is shorter than the first duration, and includes a plurality of phases spaced apart.

A circuit device includes a scan line drive circuit that drives a plurality of scan lines of an electro-optical element, and an enable line drive circuit that outputs an enable signal to a plurality of pixel circuits. A field for constituting one image includes a plurality of subfields. The enable line drive circuit outputs an enable signal that is active in a partial period of a first display period corresponding to a first bit, which is a lower bit of display data. When the enable signal is active in a partial period of the first display period, a pixel is ON-state or OFF-state.

The electro-optical device includes a plurality of digital scanning lines, a plurality of analog scanning lines, a digital signal line, an analog signal line, and a plurality of pixel circuits. Each of the pixel circuits includes a light emitting element, a digital driving circuit, and an analog driving circuit. The digital driving circuit performs digital driving in which a drive current is supplied to the light emitting element in a period of a length corresponding to a grayscale value. The analog driving circuit performs analog current setting in which a current value of the drive current is set based on an analog data voltage. In a period in which the pixel circuit connected to an s-th digital scanning line and an s-th analog scanning line performs the analog current setting, the pixel circuit connected to a t-th digital scanning line and a t-th analog scanning line performs the digital driving.

The present embodiments disclose a pixel driving circuit and a display device including the same. A pixel driving circuit according to an embodiment of the present disclosure includes a first pixel circuit configured to control light-emission and non-emission of the luminous element in response to a control signal applied to each of a plurality of subframes constituting a frame during a light-emitting period and a second pixel circuit storing a bit value of image data in a data writing period and generating the control signal based on the bit value and a clock signal in the light-emitting period.

Methods of driving a display matrix and matrix waveforms for driving said display matrix between color states are provided. Additionally, reflective displays incorporating a waveform generator to generate a waveform to drive the display from a first color state to a second color state are also provided. The reflective displays can include a display matrix having a plurality of row electrodes and a plurality of column electrodes; a plurality of display elements with an actuator to modify a color of the display element upon actuation; a fixed voltage source; and a waveform generator for determining an amount of time to apply the fixed voltage to each display element to drive the display element from a first color state to a second color state. The reflective display can be based on moving colored inks into and out of the viewable area of each display element to control the color.

A display device can display a display image obtained by superimposing a plurality of sub display images, and includes n number of liquid crystal displays, where n is an integer of 2 or more, that display the plurality of sub display images, a light source that is provided for each liquid crystal display and is capable of emitting light of m number of different colors, where m is an integer of 2 or more, and a processor that causes the light source corresponding to the liquid crystal display to emit light of a different color based on an input signal including color information on the display image displayed by each liquid crystal display. The number n of the liquid crystal display is an integral multiple of the number m of color of light that the light source is capable of emitting.

Exemplary methods, apparatuses, and systems generate an object in a portion of an electronic display. The object is generated as a shape formed by a pattern of a first plurality of pixels being illuminated for a first sequence of frames and a second plurality of pixels not being illuminated for the first sequence of frames. During the first sequence of frames, each set of illuminated pixels from the first plurality of pixels is separated from another set of illuminated pixels by a set of non-illuminated pixels of the second plurality of pixels. In response to an event, the object in the portion of the electronic display is generated by illuminating pixels of the second plurality of pixels for a second sequence of frames and not illuminating pixels within the first plurality of pixels for the second sequence of frames.