Abstract: A printing device includes: a case covering a printing mechanism; and an electrostatic touch panel provided at the case. The touch panel is provided at an angle from horizontal. At a bottom side of the touch panel, a wall for stopping a touch pen rolling down a surface of the touch panel is provided.

Abstract: An apparatus for evaluating a lifetime of a display panel including first pixels disposed in a first display area and second pixels disposed in a second display area, includes: a controller for driving the first pixels with a first grayscale and the second pixels with a second grayscale during an aging period calculating a first current, a second current, and a third current, which are supplied to the display panel; a luminance calculator for calculating a first luminance of the first display area and calculating a second luminance of the second display area; and a corrector for calculating a first correction current and a second correction current. The controller calculates a first efficiency lifetime and a second efficiency lifetime, and evaluates the lifetime of the display panel based on the first efficiency lifetime and the second efficiency lifetime.

Abstract: A display device includes a timing controller configured to generate a first control signal using a first clock signal when driven at a first frame frequency, and generate a second control signal using a second clock signal when driven at a second frame frequency different from the first frame frequency, pixels connected to scan lines, data lines, and emission control lines, and an emission driver configured to supply an emission control signal to the emission control lines in response to an emission start signal included in the first control signal or the second control signal. The number of off periods of the emission control signal included in one frame driven at the first frame frequency is equal to the number of off periods of the emission control signal included in one frame driven at the second frame frequency.

Abstract: A display apparatus can include a display panel in which pixels, first to gth gate lines, and data lines are provided (where g is a natural number), and link lines provided on a rear surface of the display panel and connected to the data lines provided on a front surface of the display panel. In a display area including the pixels in the front surface, a first stage to an mth stage generating gate signals to be supplied to the first gate line to the gth gate line are provided (where m is a natural number less than or equal to g). A first monitoring line through which a first monitoring signal is output is further connected to the first stage, and the first monitoring line extends to the rear surface through a lateral surface of the display panel.

Abstract: The embodiments of the present disclosure provide a display device, the display device comprising a display module and an infrared touch control assembly, wherein a display surface of the display module is in the shape of a rectangle with an edge extending in a first direction and an edge extending in a second direction, the first direction and the second direction being perpendicular to each other; the infrared touch control assembly comprises an infrared emitting frame and an infrared receiving frame which are arranged oppositely and extend in the first direction; a plurality of infrared emitting units are fixed in the infrared emitting frame; a plurality of infrared receiving units are fixed in the infrared receiving frame; and an orthographic projection of a light-emitting surface of the infrared emitting frame in the display module is positioned in an area outside a display area of the display module.

Abstract: A touch test device for a display device, includes a loading unit receiving a display device. The display device includes a touch sensing unit having driving electrodes and sensing electrodes. A touch driving circuit driving the driving electrodes and the sensing electrodes and detecting touch signal data for the driving electrodes, sensing signal data for the sensing electrodes, and touch data of touch nodes positioned at intersections between the driving electrodes and the sensing electrodes. A test processing circuit calculates parameter values inversely proportional to resistance deviations of the driving electrodes and the sensing electrodes, performs an arithmetic operation on the parameter values and the touch data of the touch nodes to provide corrected touch data, and detects defects in the driving electrodes and the sensing electrodes according to a result of comparing and analyzing the corrected touch data.

Abstract: A display device includes a light-emitting element; a capacitor connected to and disposed between a first node and a second node; a first transistor including a first electrode connected to a reference voltage supply line and a second electrode connected to the first node, and supplying a reference voltage to the first node in response to a light-emission control signal of an n-th pixel row; a second transistor including a first electrode connected to the reference voltage supply line and a second electrode connected to the second node, and supplying the reference voltage to the second node in response to a first scan signal of an (n?1)-th pixel row; and a driving transistor including a gate electrode connected to the second node, a first electrode receiving a high-potential driving voltage, and a second electrode connected to a third node.

Abstract: A display system changes display in accordance with a gesture of an operator in a vehicle. The display system includes a gesture detector that detects the gesture, a vision area detector that detects a vision area of the operator, a display that displays a gesture operation result that is an operation result of the gesture, and a display controller that executes a control related to display processing of the display. The display controller acquires the vision area detected by the vision area detector and a display area of the display, determines a positional relationship between the vision area and the display area, and displays the gesture operation result to the operator. The display controller determines a display mode of the gesture operation result based on the positional relationship between the vision area and the display area.

Abstract: A display device including a touch sensor and a driving method thereof, and more particularly, a curved display device including a touch sensor and a driving method thereof, are presented. The display device includes: a touch sensor unit including a plurality of touch sensors; and at least one touch surface curved to along a first direction, wherein the touch surface includes a center region and edge regions positioned at both sides of the center region along the first direction, and wherein a sensitivity of the touch sensor in the center region is higher than a sensitivity of the touch sensors in the edge regions.

Abstract: Among the implementations described herein is a gamma voltage generator which includes a first resistor string that is connected between a 0-th terminal and a first terminal and outputs first gamma voltages, a 0-th gamma amplifier that outputs a 0-th tap voltage to the 0-th terminal by using a 0-th reference voltage, a first variable tap gamma amplifier that outputs a first tap voltage to the first terminal by using a first reference voltage, and a gamma control logic circuit that selectively activates a first tap change signal based on a first grayscale ratio of first line data. The first variable tap gamma amplifier outputs a second tap voltage to a first central terminal of the first resistor string by using a second reference voltage, in response to the first tap change signal thus activated.

Abstract: A gamma voltage generator, a source driver and a display apparatus are provided. The gamma voltage generator includes a gamma voltage generating circuit and a plurality of buffers. The gamma voltage generating circuit has a plurality of voltage input end nodes and a plurality of voltage output end nodes for outputting the predetermined number of gamma voltages based on input voltages from the plurality of voltage input end nodes. Each buffer has an input end receive a corresponding gamma reference voltage, and an output end coupled to a corresponding voltage input end node. The gamma voltage generating circuit includes multiple resistor units connected in series, and each resistor unit is configured to have a second resistance value when operating in the second mode less than a first resistance value when operating in the first mode.

Abstract: A display substrate includes a base substrate, a plurality of photosensitive transistor units, a plurality of photosensitive ESD protection units, and at least one common signal line. The base substrate includes a display region, a peripheral region located at a periphery of the display region, and a binding region located at a side of the display region. The plurality of photosensitive transistor units, the plurality of photosensitive ESD protection units and the at least one common signal line are located in the peripheral region. The plurality of photosensitive transistor units is connected with binding pins in the binding region through a plurality of signal lines. At least one photosensitive ESD protection unit is connected with, and located between, at least one signal line and the common signal line.

Abstract: The present invention concerns a method for providing an eye tracking devices and systems with a zooming function on specific Region of Interest, said Region of Interest being part of the field of view of a user wearing an eye tracking device, said zooming function triggered by a specific event correlated to detected user's gaze information.

Abstract: A driving method and a driving circuit for a display panel, and a display device. In the driving method, a binding-point voltage is first detected and a voltage difference between the binding-point voltage and a common-electrode voltage is obtained through a calculation. In case that the voltage difference between the binding-point voltage and the common-electrode voltage is smaller than a preset voltage difference, an existence of a problem of bright and dark lines on the display panel is indicated, the data voltage waveform has a ramp-up, and a charging rate of a blue pixel or a green pixel is insufficient, in this case, the binding-point voltage, i.e., a charging voltage of the red pixel is boosted to reduce a charging loss during a ramp-up process, and to increase the charging rate, so that the bright and dark lines of the display panel can be improved, thereby improving the display effect.

Abstract: A touch control method includes: acquiring, in response to a touch operation detected on a touch screen of a terminal, capacitance signals at a plurality of locations corresponding to the touch operation; determining, in a case of determining that liquid exists on the touch screen based on the capacitance signals at the plurality of locations, an effective area of the touch operation based on the plurality of locations; and executing a function corresponding to the touch operation based on the effective area of the touch operation.

Abstract: An electronic device may include: a flexible display; and at least one processor. The at least one processor may be configured to: identify the folding angle of the electronic device; identify the displacement of a printed layer of the flexible display according to the identified folding angle; generate a virtual dead space region to substantially abut a portion of the boundary of the printed layer on the basis of the identified displacement; and output at least a portion of the generated virtual dead space region in a specified color on the flexible display.

Abstract: A pixel circuit and a display panel are provided. The pixel circuit is electrically connected to a gate electrode of the driving transistor through one of a source electrode and a drain electrode of the first transistor, and a transmission terminal of the anti-leakage unit is electrically connected to another one of the source electrode and the drain electrode of the first transistor. Therefore, an electrical potential difference between the one of the source electrode and the drain electrode of the first transistor and the gate electrode of the driving transistor can be reduced, and an occurrence of flicker can be improved or eliminated.

Abstract: A display device includes a display panel including sub-pixels arranged in an image display region of the display panel to display an image, a data driver that applies a data voltage to data lines, a scan signal driver that applies scan signals to scan signal lines, a data compensator that analyzes image data received from an outside to divide at least one deterioration region and deterioration peripheral regions, and compares and analyzes image data of the at least one deterioration region and the deterioration peripheral regions to compensate or modulate the image data of the at least one deterioration region, and a timing controller that controls the data driver and the scan signal driver to display compensation data including the compensated or modulated image data as an image.

Abstract: Discussed are a flexible display device, a rollable display apparatus including the flexible display device, and a method for controlling the flexible display device. According to embodiments, a sensing operation is performed based on whether a display panel included in the flexible display device moves and based on an exposed area of the display panel. Accordingly, an inaccurate sensed value due to a physical change of the display panel are not considered, such that accurate sensing and deterioration compensation for deterioration of the display panel can be achieved. Further, an image quality of each of the flexible display device, and the rollable display apparatus including the flexible display device can be improved.

Abstract: A sensor device includes: first sensors; second sensors generating a mutual capacitance with the first sensors; a sensor transmitter connected to the first sensors, the sensor transmitter supplying driving signals to the first sensors; and a sensor receiver connected to the second sensors. The sensor receiver receives sensing signals from the second sensors. The sensor receiver includes a band pass filter including a plurality of paths connected in parallel. A first path among the plurality of paths sequentially includes an input mixer, a filter, and an output mixer.