Abstract: A pixel circuit includes a driving circuit, a first control circuit and a second control circuit. The driving circuit is configured to receive a data signal in response to a scan signal, and generate, in response to a first enable signal, a driving signal according to a first voltage and the data signal. The first control circuit is configured to: receive a first input signal in response to a first control signal, and transmit a third input signal in response to the first input signal; and receive a second input signal in response to a second control signal, and transmit a second enable signal in response to the second input signal. The second control circuit is configured to transmit the driving signal to an element to be driven in response to one of the third input signal and the second enable signal.

Abstract: A bootstrap circuit includes a first transistor including a gate electrode, a first and a second electrodes, a capacitor connected between the gate electrode and the second electrode, and a second transistor connected to the gate electrode. In a first period, the second transistor is turned on and the gate electrode is supplied with a first analog voltage, the first transistor is turned on, and the second electrode is supplied with a precharge voltage smaller than the first analog voltage from the first electrode. In a second period, the second transistor is turned off, the first electrode is supplied with a second analog voltage, the capacitor supplies a third analog voltage to the gate electrode in response to the first analog voltage and the second analog voltage, and the second electrode is supplied with the second analog voltage from the first electrode.

Abstract: A micro-light-emitting diode (microLED) display panel includes a timing controller, and a plurality of drivers controlled by the timing controller and arranged in an order according to distance from the timing controller. Each driver includes a buffer that buffers a signal before being sent to a succeeding driver.

Abstract: An electroluminescent display device includes a display panel including a plurality of pixels connected to a plurality of sensing lines, a plurality of sampling circuits configured to simultaneously sample driving characteristics of the pixels to generate sampling outputs, a plurality of sampling multiplexers configured to divide the sampling outputs into n groups and to alternately select group sampling outputs, a plurality of scalers individually connected to the sampling multiplexers, and a global multiplexer configured to selectively connect outputs of the scalers to an analog-to-digital conversion circuit, wherein the number of scalers is less than the number of sampling circuits.

Abstract: An organic light-emitting display device includes a data driver which supplies a data voltage to a data line of each sub-pixel, and senses a driving voltage of each sub-pixel through each sensing line connected to a sub-pixel, and generates sensed data based on the driving voltage of each sub-pixel. Further, the organic light-emitting display device includes a controller that generates a reference parameter for compensating for each of operation characteristics of each sub-pixel using the sensed data generated from the data driver, and compensates for image data based on the reference parameter and outputs the compensated image data. The controller controls the gate driver and the data driver so that sensed data is additionally generated, and compensates for and outputs the image data based on a compensation parameter extracted based on the additionally generated sensed data, thereby controlling execution of external compensation based on temperature and deterioration characteristics.

Abstract: A display device includes a controller, a panel driver, and a voltage generator. The controller generates a first control signal and generates image data and a second control signal in response to first and second image signals. The panel driver generates a driving signal in response to the image data and the first control signal to drive a display panel. The voltage generator generates a driving voltage to drive the display panel and changes a voltage level of the driving voltage in response to the second control signal. The first image signal corresponds to a second frame located before a third frame in which the driving voltage is changed. The second image signal corresponds to a first frame located before the second frame. The controller generates image data corresponding to the second frame in response to the first image signal and the second image signal.

Abstract: A pixel and an organic light emitting diode (OLED) display using the pixel are disclosed. The pixel includes a driving transistor for transmitting a driving current, an OLED configured to receive a first portion of the driving current and a bypass transistor configured to receive a second portion of the driving current.

Abstract: A method for a display driver circuit configured to drive a display panel includes steps of: determining whether a plurality of first data codes corresponding to first data voltages to be output through a multiplexer to data lines in the display panel during a first horizontal line period equal; determining whether each of the first data codes equals a corresponding second data code among a plurality of second data codes corresponding to second data voltages to be output through the multiplexer to the data lines during a second horizontal line period immediately after the first horizontal line period; and in response to that the first data codes equal and each of the first data codes equal the corresponding second data code, outputting a control signal to keep a switch of the multiplexer staying in a turn-on state after the switch is turned on for outputting a first data voltage.

Abstract: An embodiment relates to a pixel sensing technique. By supplying a precharge voltage to a sensing line using an amplifier used in pixel sensing, it is possible to minimize differences between precharge voltages of sensing lines and solve a crosstalk problem between the sensing lines, while not increasing a size of a pixel sensing device.

Abstract: A display device, includes: pixels at a display area; gate lines at the display area, and connected to the pixels; carry clock lines and scan clock lines at the display area; and a gate driving circuit distributedly located at the display area, and connected to the carry clock lines, the scan clock lines, and the gate lines. The gate driving circuit includes a plurality of stages, each of the stages to output, as a carry signal, a carry clock signal supplied through a corresponding carry clock line from among the carry clock lines, and to output, as a scan signal, a scan clock signal supplied through a corresponding scan clock line from among the scan clock lines. The corresponding carry clock line and the corresponding scan clock line corresponding to one stage from among the stages are spaced from each other with at least one of the pixels interposed therebetween.

Abstract: The present disclosure provides a driving circuit, including a transistor and a level shifter. The first terminal of the transistor is electrically connected to a light emitting diode and is configured to receive a supply voltage. The second terminal of the transistor is configured to receive a first reference voltage. The level shifter is configured to receive an input signal from a previous-stage driving circuit and adjust the voltage level of the input signal according to a voltage operating range formed by the supply voltage and the first reference voltage to generate a level-shifted signal corresponding to the voltage operating range and configured to control the transistor. The input signal varies between a second reference voltage and the supply voltage. The second reference voltage and the first reference voltage are different from each other and both lower than the supply voltage.

Abstract: A touch display panel includes a substrate, a display layer disposed on the substrate, an insulating layer disposed on the display layer, and a touch electrode layer directly contacting the insulating layer. The display layer comprises a first region, a second region, and a third region. The second region is located between the first region and the third region. The second region is foldable. The insulating layer has a first thickness corresponding to the first region and a second thickness corresponding to the second region. The first thickness is different from the second thickness. The insulating layer comprises a first layer, a second layer, and a third layer, wherein the second layer is disposed between the first layer and the third layer. The first layer and the third layer are formed of inorganic insulating materials, and the second layer is formed of organic insulating material.

Abstract: A sub-pixel array and a display are provided. The sub-pixel structure includes a driving module, a first selection module, a second selection module, a switch module, a first light-emitting element, and a second light-emitting element. The first selection module is configured to control conduction between the driving module and an anode of the first light-emitting element or conduction between the driving module and an anode of the second light-emitting element through a first control signal. The second selection module is configured to control grounding of a cathode of the first light-emitting element or grounding of a cathode of the second light-emitting element through a second control signal.

Abstract: Disclosed are a display panel and a display device. The display panel includes a display area and a non-display area surrounding the display area. The display area includes scan lines arranged in a second direction and each extending in a first direction, data lines arranged in the first direction and each extending in the second direction, and pixel driver circuits defined by the scan lines and the data lines intersecting each other, the first direction intersecting the second direction. The non-display area includes a step area and a compensation unit, and the compensation unit is located between the step area and a last row of pixel driver circuits. The compensation unit is connected to a corresponding data line and configured to transmit a leakage current compensation signal to the data line.

Abstract: Provided are a display panel and a display device. The display panel includes a pixel driving circuit and a reset control circuit. The pixel driving circuit includes a light-emitting element, a first reset module, a first control module, a data write module, a driving transistor, a second reset module and a second control module. In the initial reset stage of the pixel driving circuit, the reset control circuit is configured to control the first reset module to turn on and apply a reset voltage of the reset voltage terminal to the first electrode of the light-emitting element, and the first scan signal terminal is configured to control the second reset module to turn on and apply the reset voltage to the gate of the driving transistor.

Abstract: A display panel includes a display region and a bezel region. The bezel region includes multiple multiplexing circuits, and at least one multiplexing circuit includes m multiplexing units, 2n multiplexing control signal lines, m first multiplexing data signal lines, at least one second multiplexing data signal line and n data signal output lines. A multiplexing unit is configured to receive a gating signal of a first multiplexing data signal line based on control signals of the 2n multiplexing control signal lines in a first stage, and in a second stage, based on the gating signal, to write a first type data signal of the first multiplexing data signal line or a second type data signal of a second multiplexing data signal line into a data signal line through a data signal output line when a scan signal is input to a scan signal line.

Abstract: One or more embodiments of the present disclosure relate to a display device and a gate driving circuit. There is further provided with a synchronization transistor controlled according to a voltage of a Q node of a m-th scan driver (e.g., a second scan driver) and controlling an electrical connection between an output terminal of the n-th light emitting driver and a clock input terminal of the m-th scan driver, so that the rising characteristic and/or the falling characteristic of the light emission signal which is a type of the gate signal can be improved, thereby improving a threshold voltage compensation performance of the driving transistor and the image quality.

Abstract: Methods and apparatus provide for controlling an information processing apparatus that is connected to an image display apparatus worn on a head of a user, including: producing a planar image representing virtual objects in a virtual world, wherein the planar image includes characteristics that require the image display apparatus to be a non-see-through image display apparatus that does not allow the user to visually recognize real world objects outside the virtual world; and displaying the planar image on the image display apparatus in a display mode that changes a shape of the planar image as a function of a change in position and/or orientation of the image display apparatus, wherein the change in the shape of the planar image includes presenting the planar image in an orientation other than a front direction of the user.

Abstract: A display device compensates a threshold voltage Vth of a driving transistor according to a source follower internal compensation method. The threshold voltage Vth of the driving transistor is sampled in advance before one horizontal period H, so that a sufficient time for sampling the threshold voltage Vth of the driving transistor can be obtained even in a high-speed or high-resolution display device. Furthermore, the compensation rate of the internal compensation circuit is improved to reduce luminance deviation between the pixels.

Abstract: According to an aspect of the present disclosure, a display device includes a display panel in which a plurality of pixels including a first sub pixel, a second sub pixel, a third sub pixel, and a fourth sub pixel each having a different color is disposed; a data driver configured to supply a data voltage to the plurality of pixels by using a plurality of data lines; and a gate driver configured to supply a gate signal to the plurality of pixels by using a plurality of gate lines, where each of the plurality of data lines is divided into a plurality of sub data lines and each of the plurality of sub data lines is connected to a plurality of sub pixels having the same color, thereby minimizing data transition of a data voltage.