Abstract: A display device includes: a base layer; a circuit layer on the base layer; and an element layer on the circuit layer and comprising light emitting elements and light receiving elements arranged in a display area, wherein the circuit layer comprises pixel circuits connected to the light emitting elements and sensor circuits connected to the light receiving elements, each of the pixel circuits and the sensor circuits are configured to receive one of scan signals sequentially activated, and a first transition time point of a first scan signal applied to a first pixel circuit arranged in a first circuit row among the pixel circuits is different from a second transition time point of a second scan signal applied to a first sensor circuit arranged in the first circuit row among the sensor circuits.

Abstract: A pixel circuit includes a first circuit and a second circuit, in which the second circuit includes a first transistor including a gate electrode connected to a third node, a first electrode connected to the first node, and a second electrode connected to the second node, a second transistor including a gate electrode connected to the third node, a first electrode connected to the second node, and a second electrode configured to receive the first supply voltage, a third transistor including a gate electrode configured to receive a first gate signal, a first electrode configured to receive a selection signal, and a second electrode connected to the third node, and a first capacitor including a first electrode configured to receive a second supply voltage and a second electrode connected to the third node.

Abstract: A display device includes a display panel including normal subpixels having a first viewing angle and private subpixels having a second viewing angle, which are arranged in a first pixel arrangement structure, and a panel driver, which receives input image data corresponding to a second pixel arrangement structure different from the first pixel arrangement structure, and drives the display panel. In a private mode, the panel driver performs a resolution-reduction rendering operation, which adjusts each subpixel data based on adjacent subpixel data, performs a pixel arrangement rendering operation on the input image data on which the resolution-reduction rendering operation is performed, performs a private rendering operation on the input image data on which the resolution-reduction rendering operation and the pixel arrangement rendering operation are performed to generate second output image data, and drives only the private subpixels based on the second output image data.

Abstract: A display device includes a display panel including first sub-pixels having a first viewing angle and second sub-pixels having a second viewing angle, and a controller which generates output image data including output grayscale values by rendering input image data. An output grayscale value is applied to only the first sub-pixel in a first area, an output grayscale value is applied to only the second sub-pixel in a second area, an output grayscale value is applied to the first and second sub-pixels in a buffer area between the first and second areas, and the output grayscale value applied to the first and second sub-pixels in the buffer area is less than the output grayscale value applied to the first sub-pixel in the first area and the output grayscale value applied to the second sub-pixel in the second area.

Abstract: A pixel circuit includes a first circuit and a second circuit, in which the second circuit includes a first transistor including a gate electrode connected to a third node, a first electrode connected to the first node, and a second electrode connected to the second node, a second transistor including a gate electrode connected to the third node, a first electrode connected to the second node, and a second electrode configured to receive the first supply voltage, a third transistor including a gate electrode configured to receive a first gate signal, a first electrode configured to receive a selection signal, and a second electrode connected to the third node, and a first capacitor including a first electrode configured to receive a second supply voltage and a second electrode connected to the third node.

Abstract: A display device may include a pixel and a sensor. The pixel may include an emission element and a pixel driving circuit. The pixel driving circuit may receive a first scan signal and a second scan signal. The sensor may include a light sensing element and a sensor driving circuit. The sensor driving circuit may include a reset transistor, an amplifying transistor, and an output transistor. The reset transistor may receive a reset voltage and the first scan signal and be connected to a first sensing node. The amplifying transistor may receive a first driving voltage and be connected between the first sensing node and a second sensing node. The output transistor may receive the second scan signals and be connected between the second sensing node and a readout line.

Abstract: A display device includes: a display panel including a light emitting pixel having a light emitting element and a light sensing pixel having an organic photodiode within a sensing region; and a panel driver configured to drive the display panel, the panel driver further configured to: drive the light emitting pixel to emit light with a first luminance in a first period; reset the organic photodiode of the light sensing pixel in a second period; drive the light emitting pixel to emit light with a second luminance such that the organic photodiode receives reflected light in a third period; and receive a sensing current corresponding to an intensity of the reflected light from the light sensing pixel in a fourth period, wherein the first luminance in the first period is higher than the second luminance in the third period.

Abstract: A display device may include a pixel and a sensor. The pixel may include an emission element and a pixel driving circuit. The pixel driving circuit may receive a first scan signal and a second scan signal. The sensor may include a light sensing element and a sensor driving circuit. The sensor driving circuit may include a reset transistor, an amplifying transistor, and an output transistor. The reset transistor may receive a reset voltage and the first scan signal and be connected to a first sensing node. The amplifying transistor may receive a first driving voltage and be connected between the first sensing node and a second sensing node. The output transistor may receive the second scan signals and be connected between the second sensing node and a readout line.

Abstract: A display device includes a display panel including a display area defined therein. The display panel includes a pixel including a pixel driving circuit and a light-emitting element and a first sensor including a first sensor driving circuit and a first sensing element, where the first sensing element includes a first electrode electrically connected to the first sensor driving circuit, a semiconductor layer electrically disconnected from the first electrode, and a second electrode electrically connected to the semiconductor layer, and the light-emitting element is electrically connected to the pixel driving circuit and the second electrode.

Abstract: A display device includes a display panel, a sensor controller, and a driving controller. The display panel includes a plurality of pixels, each of which includes a light emitter to emit light to display an image and a plurality of sensors. Each of the sensors includes a light detector to detect user information. The sensor controller is electrically connected with the sensors and is configured to provide a reset control signal to the plurality of sensors. The driving controller determines a first time point initiating when a user is able to attempt to input the user information, determines a second time point when the user information is actually input, and provides the sensor controller with an enable signal to activate the reset control signal after the first time point and deactivate the reset control signal after the second time point.

Abstract: A display device includes a display panel that includes a pixel and a sensor. The pixel includes a pixel driving circuit and an emission element. The sensor includes a sensor driving circuit and a sensing element. The display device also includes a driving circuit that drives the display panel. The sensor selectively operates in a first mode in which a fingerprint is detected and in a second mode in which illumination is detected.

Abstract: A display device including: a display panel including a display region and a non-display region, a plurality of pixels and a plurality of sensors being in the display region, wherein each of the plurality of pixels includes: a light emitting element; and a pixel drive circuit connected to the light emitting element, wherein the plurality of sensors includes first sensors in a first region of the display region and second sensors in a second region of the display region, wherein each of the first sensors includes: a first light receiving element; and a first sensor drive circuit electrically connected to the first light receiving element, and wherein each of the second sensors includes: a second light receiving element; and a second sensor drive circuit electrically isolated from the second light receiving element.

Abstract: A display device is disclosed that includes a display panel, a scan driver, a panel driving circuit, and a readout circuit. The display panel includes a pixel that includes a light emitting element and a sensor that includes a light sensing element. The scan driver outputs a scan signal for driving the pixel and the sensor in response to a scan control signal. The panel driving circuit outputs the scan control signal. The readout circuit generates switching signals based on the scan control signal and outputs a fingerprint sensing signal corresponding to a sensing signal received from the sensor in response to the switching signals.

Abstract: A display device is disclosed that includes a display panel, a scan driver, a panel driving circuit, and a readout circuit. The display panel includes a pixel that includes a light emitting element and a sensor that includes a light sensing element. The scan driver outputs a scan signal for driving the pixel and the sensor in response to a scan control signal. The panel driving circuit outputs the scan control signal. The readout circuit generates switching signals based on the scan control signal and outputs a fingerprint sensing signal corresponding to a sensing signal received from the sensor in response to the switching signals.

Abstract: A display device includes a display panel that includes a pixel and a sensor. The pixel includes a pixel driving circuit and an emission element. The sensor includes a sensor driving circuit and a sensing element. The display device also includes a driving circuit that drives the display panel. The sensor selectively operates in a first mode in which a fingerprint is detected and in a second mode in which illumination is detected.

Abstract: A display device includes a display panel, a sensor controller, and a driving controller. The display panel includes a plurality of pixels, each of which includes a light emitter to emit light to display an image and a plurality of sensors. Each of the sensors includes a light detector to detect user information. The sensor controller is electrically connected with the sensors and is configured to provide a reset control signal to the plurality of sensors. The driving controller determines a first time point initiating when a user is able to attempt to input the user information, determines a second time point when the user information is actually input, and provides the sensor controller with an enable signal to activate the reset control signal after the first time point and deactivate the reset control signal after the second time point.

Abstract: A display device includes a display panel and a scan driving circuit. The display panel includes a plurality of pixels and a plurality of sensors. The scan driving circuit drives a plurality of scan lines. Pixels in a j-th row among the plurality of pixels are connected to a j-th scan line among the plurality of scan lines, in which j is a positive integer. Sensors, which correspond to the pixels in the j-th row, from among the plurality of sensors are connected to an a-th scan line among the plurality of scan lines, in which a is a positive integer different from j.

Abstract: A display device includes a display panel and a scan driving circuit. The display panel includes a plurality of pixels and a plurality of sensors. The scan driving circuit drives a plurality of scan lines. Pixels in a j-th row among the plurality of pixels are connected to a j-th scan line among the plurality of scan lines, in which j is a positive integer. Sensors, which correspond to the pixels in the j-th row, from among the plurality of sensors are connected to an a-th scan line among the plurality of scan lines, in which a is a positive integer different from j.

Abstract: A display device may include a pixel and a sensor. The pixel may include an emission element and a pixel driving circuit. The pixel driving circuit may receive a first scan signal and a second scan signal. The sensor may include a light sensing element and a sensor driving circuit. The sensor driving circuit may include a reset transistor, an amplifying transistor, and an output transistor. The reset transistor may receive a reset voltage and the first scan signal and be connected to a first sensing node. The amplifying transistor may receive a first driving voltage and be connected between the first sensing node and a second sensing node. The output transistor may receive the second scan signals and be connected between the second sensing node and a readout line.

Abstract: A display device includes: a display panel to display an image by generating light, a sensor disposed under the display panel to convert a light energy into an electrical energy, a voltage generator connected to the sensor, and a capacitive element connected to the sensor. The electrical energy generated by the sensor is charged in the capacitive element. The sensor senses an object using the light reflected by the object.