Abstract: A light emitting display device in which odd scan stages receive odd first and second scan clocks alternately, and even scan stages receive an even scan clock, in a multi-frequency mode in which a first region is driven at a higher frequency than a second region, an odd first scan clock is provided to a n+5-th scan stage at a begin of the second region, an even scan clock is provided to a n+4-th scan stage at an end of the first region, and an odd second scan clock is provided to a n+3-th scan stage of the first region, and in the multi-frequency mode, during a driving frame of refreshing the first region and refresh-skipping the second region, the odd first scan clock does not have an i+2-th clock pulse corresponding to a scan pulse of the n+4-th first scan line.

Abstract: A pixel circuit, a display panel and a display device. The pixel circuit includes drive transistor, storage capacitor, compensation circuit, and voltage controller. The drive transistor has a gate electrode connected to a first node and generates a drive current in a light-emitting phase of an operation cycle of the pixel circuit. The storage capacitor has a first plate connected to the first node and a second plate connected to a second node and stores a data voltage inputted to the gate electrode of the drive transistor. The compensation circuit has an output terminal connected to the second node and a first input terminal receiving a first power supply voltage and compensates a deviation of the first power supply voltage affecting the drive current. The voltage controller is connected to the second node and controls a fluctuation of a voltage of the second node prior to the light-emitting phase.

Abstract: A virtual image display system for displaying virtual images having expanded resolution and field of view is disclosed. The virtual image display system comprises a first light emitter emitting a plurality of first light signals to be projected into a viewer's eye; a first light direction modifier varying a light direction of the plurality of first light signals emitted from the first light emitter. The light direction of first light signals is varied at a first scan rate with respect to time within a first spatial range for displaying a first image frame with a predetermined number of light signals and the first scan rate is non-constant.

Abstract: A display apparatus with touch electrode embedded therein includes a display panel including gate lines and touch groups including touch electrodes, a generator generating a lower gate clock corresponding to a lower gate pulse output to a lower gate line included in a touch group and normal gate clocks supplied to normal gate lines except the lower gate line among gate lines corresponding to the touch group, a controller supplying gate control signals to the generator, and a gate driver generating gate pulses by using the gate control signals, the lower gate clock, and the normal gate clocks and supplying the gate pulses to gate lines corresponding to the touch group. A form of the lower gate clock differs from a form of each of the normal gate clocks, each of the touch groups is arranged in parallel with the gate lines, and the touch groups are arranged in a direction vertical to the gate lines.

Abstract: A touch display device drives only some of a plurality of common electrodes disposed in a display panel as a touch electrode, so that an increase of lines and a reduction of an aperture ratio according to implementing a function of a touch sensing can be minimized, and as adjusting a total resistance and a resistance distribution according to locations between the common electrode driven as the touch electrode and the common electrode not driven as the touch electrode same or similarly, an abnormality of a display driving due to partial driving the plurality of common electrodes as the touch electrode and provide the function of the touch sensing can be prevented.

Abstract: An input device a touchpad, an near field communication (NFC) controller, and an antenna electrically interfaced with the NFC controller. The antenna includes an antenna rod. The antenna rod is straight and disposed outside a perimeter of the touchpad.

Abstract: A system includes a robot having contact surfaces and a sensor array having a spatially distributed touch sensors disposed on the contact surfaces. Each touch sensor has an identifier and outputs an analog signal at a set of frequencies associated with the identifier The sensor array outputs a combined analog signal representative of a combination of the analog signals outputted by the touch sensors. The system includes an analog-to-digital converter that generates a digital signal in a time domain based on the combined analog signal. The system includes one or more processing units that transforms the digital signal from the time domain to a frequency domain and detects locations of touch within the sensor array based on frequencies observed the frequency domain and the identifiers of the touch sensors.

Abstract: A display device with low power consumption is provided. Furthermore, a display device in which an image is displayed in a region that can be used in a folded state is provided. The conceived display device includes a display portion that can be opened and folded, a sensing portion that senses a folded state of the display portion, and an image processing portion that generates, when the display portion is in the folded state, an image in which a black image is displayed in part of the display portion.

Abstract: A stress feedback device and a virtual image display system are provided. The stress feedback device includes a position sensor and a pressure generator. The position sensor is configured to generate a position information based on a trigger signal and send the position information to a host. The pressure generator is configured to apply a stress to a target area based on the trigger signal and adjust an intensity of the stress.

Abstract: One variation of a keyboard system includes: a substrate including an array of inductors; a tactile layer arranged over the substrate defining an array of key locations over the array of inductors; an array of magnetic elements, each arranged within the tactile layer at a key location configured to inductively couple to an adjacent inductor and configured to move relative to the adjacent inductor responsive to application of a force on the tactile layer at the key location; and a controller configured to read electrical values from the inductors. In response to detecting a change in electrical value at a first inductor, the controller also configured to: register a first keystroke of a first key type associated with a first key location defined over the first inductor; and drive an oscillating voltage across the first inductor to oscillate the tactile layer over the substrate during a haptic feedback cycle.

Abstract: A touch display apparatus is provided. The touch display apparatus may include a touch sensor on an encapsulating unit covering light-emitting devices. The touch sensor may include touch electrodes and bridge electrodes electrically connecting between the touch electrodes. Each of the touch electrodes may be electrically connected to the corresponding touch pad by one of touch routing lines. A guard line may be disposed between the touch electrodes and each touch routing line. A signal applied to the guard line may be different from a signal applied to adjacent touch routing line. Thus, in the touch display apparatus, a reduction in touch sensitivity due to a touch driving signal or a touch sensing signal applied by the touch routing lines may be prevented or at least reduced.

Abstract: A display device includes: a display layer having an active region, and a peripheral region including a first region, a second region spaced from the first region in a first direction, and a third region between the first region and the second region; and a sensor layer on the display layer. The display layer includes: a plurality of pixels at the active region; and a power supply pattern at the peripheral region, and including: a first power supply pattern at the first region; and a second power supply pattern at the second region. The sensor layer includes: a plurality of sensing electrodes at the active region; a plurality of sensing lines including: a first sensing line at the first region; and a second sensing line at at least one of the first region or the second region; and a dummy pattern at the third region.

Abstract: An active-matrix display comprising a power source VDD; a pixel array of columns and rows, each light-emitting pixel having an individually controlled segmented electrode and an opposite electrode; a driving circuit comprising at least one data line that supplies a data signal for each pixel along a column, wherein the data signal controls the gate of a driving transistor whose source and drain are connected between the power source VDD and the segmented electrode and at least one scan line that supplies a scan signal that controls the gate of a scan transistor that enables the loading of the data signal from the data line to the gate of the driving transistor for each pixel along a row; and a pixel control circuit in electrical contact with the segmented electrode wherein the pixel control circuit prevents light emission by the pixel based on the value of the data signal for that pixel.

Abstract: A display device includes a display panel, an input sensor, and a readout circuit. The display panel is configured to display an image. The input sensor is disposed on the display panel, and incudes transmission electrodes and reception electrodes electrically insulated from the transmission electrodes. The readout circuit is connected to the input sensor, and includes a first transmission/reception circuit, a second transmission/reception circuit, and a control circuit. The first transmission/reception circuit is electrically connected to the reception electrodes. The second transmission/reception circuit electrically is connected to the transmission electrodes. The control circuit configured to transmit a transmission signal to the input sensor through one of the first transmission/reception circuit and the second transmission/reception circuit, and to receive a reception signal from the input sensor through the other of the first transmission/reception circuit and the second transmission/reception circuit.

Abstract: Disclosed herein are a touch display device capable of solving distortion of a display image due to a difference in condition between touch nodes, and a method of driving the same. The touch display device includes a panel driver configured to drive gate lines and data lines of a panel and drive and sense touch electrodes, a timing controller configured to control an operation of the panel driver, and a touch controller configured to control touch electrode driving and a sensing operation of the panel driver, wherein the timing controller compensates a display signal for a difference in condition between a touch node where a touch occurs and a touch node where a touch does not occur or a difference in physical structure between the touch nodes.

Abstract: Visibility of the metal mesh touch electrodes can be mitigated using one or more mitigation techniques. In some examples, the boundary between touch electrodes and/or the boundary between a touch electrode and a routing trace of another touch electrode and/or the boundary between two routing traces can be non-linear. In some examples, dummy cuts can be made within an area of a touch electrode region (e.g., while maintaining the same electrical potential for the touch electrode region). In some examples, notches can be made in the metal mesh. In some examples, the location of cuts and/or notches can be optimized to mitigate visibility of the metal mesh. In some examples, some or all of the visibility mitigations may be used in combination in a touch screen.

Abstract: A display apparatus includes a light-emitting device and an optical lens are stacked on an emission area of a device substrate. A black matrix and a touch electrode may be disposed on a non-emission area of the device substrate. An encapsulation unit covering the light-emitting device and an optical insulating layer covering the black matrix may be disposed on the emission area and the non-emission area of the device substrate. The touch electrode and the optical lens may be disposed on the optical insulating layer. A lens barrier may be disposed on the optical insulating layer. The optical lens may be surrounded by the lens barrier. Thus, in the display apparatus, a deform of the optical lens due to a reflow process may be prevented. Therefore, in the display apparatus, decreasing the quality of the image due to a process of forming the optical lens may be prevented.

Abstract: A single-chip device for driving a panel including fingerprint sensing pixels, display pixels and touch sensors, electronic module therefor, and electronic apparatus including the single-chip device are provided. The single-chip device comprises a main body, a first group of pads and a second group of pads disposed in the main body. The main body has a left portion and a right portion with respect to an axis. The first group of pads comprise a plurality of first pads for driving the fingerprint sensing pixels, are disposed on both the left portion and the right portion and configured to be coupled to the fingerprint sensing pixels. The second group of pads comprise a plurality of second pads for driving the display pixels and the touch sensors, are disposed on both the left portion and the right portion and configured to be coupled to the panel.

Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a display region and a binding region located on one side of the display region. The binding region includes: a source driver circuit, a flexible printed circuit board, a first selector circuit, a second selector circuit and a plurality of selection connection lines. For at least one selection connection line of the plurality of selection connection lines, one end of the selection connection line is connected to an input port of the first selector circuit, and the other end is connected to an input port of the second selector circuit. The flexible printed circuit board is disposed on one side, away from the display region, of the source driver circuit, and the plurality of selection connection lines are arranged between the source driving circuit and the flexible printed circuit board.

Abstract: A display panel and a gate driving circuit are provided. The gate driving circuit utilizes the pull-down control module to periodically pull up and pull down the voltage level of the second node. The voltage level of the second node is periodically a high voltage level. This effectively reduces the time duration when the second node corresponds to the high voltage level. After the TFTs electrically connected to the second node are forward biased, the TFTs could have sufficient recovery time. This solution effectively improves the bias condition of the TFTs in the pull-down control module and thus makes the circuit more stable and raises the reliability of the circuit.