The present technology relates to a signal processing device, a signal processing method, and a display device for enabling more appropriate improvement of hold blur. There is provided a signal processing device including a detection unit that analyzes a video signal of content and detects an index that correlates with hold blur, a first calculation unit that calculates a light emission duty value of a self-luminous display panel on the basis of the detected index, and a second calculation unit that calculates a gain for luminance compensation on the basis of the calculated light emission duty value. The present technology can be applied to, for example, a self-luminous display device.

A display device includes a liquid crystal display including a first liquid crystal display panel that displays a character or an image; a decorative member; and a controller that controls the display of the liquid crystal display. The decorative member is disposed on a display surface side of the liquid crystal display, and includes a display region in which the display of the liquid crystal display is transparently displayed, and a non-display region adjacent to the display region. The controller controls a luminance through the decorative member of a black display of the liquid crystal display to a luminance invisible to a user, and controls the luminance through the decorative member of a low-gradation region, except for the black display, of the liquid crystal display to a luminance visible to the user.

The present disclosure may improve contrast and deep black by efficiently controlling local dimming in consideration of the ratio of a black image data and the non-uniformity in the area between blocks.

A display device including: pixels coupled to first scan lines, second scan lines, emission control lines, and data lines; a first scan driver configured to supply a first scan signal to each of the first scan lines at a first frequency; a second scan driver configured to supply a second scan signal to each of the second scan lines at a second frequency corresponding to a driving frequency of the pixels; an emission driver configured to supply an emission control signal to each of the emission control lines at the first frequency; a data driver configured to supply a data signal to each of the data lines at the second frequency; and a timing controller configured to control the first scan driver, the second scan driver, the emission driver, and the data driver.

A pixel includes: a light emitting diode; a first transistor; a first capacitor connected between a first node and a gate electrode of the first transistor; a second transistor including a first electrode electrically connected to the gate electrode of the first transistor, a second electrode and a gate electrode which receives a first scan signal; and a third transistor including a first electrode electrically connected to the second electrode of the second transistor, a second electrode electrically connected to a third voltage line, and a gate electrode which receives a second scan signal. During an initialization period, an initialization voltage provided from the third voltage line is provided to the gate electrode of the first transistor through the third and second transistors, and, when the initialization period is terminated, at least one of the second transistor and the third transistor is turned off.

A pixel circuit and a display device including the same are disclosed. The pixel circuit includes a driving element including a first electrode connected to a first node, a first gate electrode connected to a second node, a second electrode connected to a third node, and a second gate electrode to which a preset voltage is applied; a light emitting element including an anode electrode connected to a fourth node and a cathode electrode to which a low-potential power supply voltage is applied; a first switch element connected between the first node and the second node; a second switch element connected between the third node and the fourth node; a first capacitor connected to the first gate electrode of the driving element; and a second capacitor connected to the third node.

A scan driving circuit of a display device includes a first output terminal electrically connected to a first scan line, a second output terminal electrically connected to a second scan line, a first masking circuit electrically connecting the first output terminal and the second output terminal and outputting, as a first scan signal, a second scan signal to the first output terminal, a driving circuit outputting the second scan signal to the second output terminal in response to clock signals and a carry signal, and a second masking circuit masking the second scan signal to a predetermined level in response to the second masking signal, wherein the first masking circuit electrically disconnects the first output terminal from the second output terminal in response to a first masking signal.

A gamma reference voltage generator includes a first resistor string, black voltage setters, a selector, and a second resistor string. The first resistor string receives a first reference voltage and a second reference voltage. The black voltage setters extract a plurality of black candidate voltages from the first resistor string. The selector selects one of the black candidate voltages as a black gamma voltage based on a selection signal. The second resistor string receives a first voltage corresponding to one of the black candidate voltages and a second voltage extracted from the first resistor string. In addition, the gamma reference voltage generator includes gamma voltage setters that extract a plurality of gamma voltages from the second resistor string.

Embodiments of the disclosed subject matter provide a device that includes an organic light emitting device (OLED), and a drive circuit to control the operation of the OLED, comprising a response time accelerator thin film transistor (TFT) configured to short or reverse bias the OLED for a predetermined period of time during a frame time. Other embodiments include an OLED having a plurality of sub-pixels, where one or more of sub-pixels configured to emit light of at least a first color comprises a first emissive area and a second emissive area that are independently controllable, where the first emissive area is larger than the second emissive area. The controller is configured to control the second emissive area to have (i) a higher brightness, and/or (ii) a higher current density than the first emissive area for a first sub-pixel luminance level that is less than a maximum luminance.

A control method of an e-ink screen. The e-ink screen includes a plurality of pixels, at least one pixel includes first color charged particles and second color charged particles, and the first color charged particles and the second color charged particles are same in electrical property. The control method of the e-ink screen includes: inputting a first color driving signal to pixels expected to display a first color in the e-ink screen. The first color driving signal includes a plurality of sub-signals corresponding to a plurality of driving stages. The plurality of sub-signals include a first color imaging sub-signal and a particle separation sub-signal. The particle separation sub-signal is configured to drive the first color charged particles and the second color charged particles in the at least one pixel to move, and to separate the first color charged particles from the second color charged particles.