Abstract: A light emitting assembly is described. In one embodiment, one or more light emitting diode (LED) devices and one or more microcontrollers are bonded to a same side of a substrate, with the one or more microcontrollers to switch and drive the one or more LED devices.

Abstract: A display module includes a substrate; a plurality of pixels provided on a surface of the module substrate; a plurality of first micro-pixel controllers provided in spaces between the plurality of pixels, and a plurality of second micro-pixel controllers provided in a periphery area of the upper surface of the module substrate, wherein each of the plurality of first micro-pixel controllers controls two or more pixels of the plurality of pixels, and at least one function performed by the plurality of first micro-pixel controllers is different from at least one function performed by the plurality of second micro-pixel controllers.

Abstract: A display device includes a plurality of pixels grouped into blocks divided into block rows extending in a first direction and arranged in a second direction, wherein each block includes two or more pixels connected to a first power source line, and each pixel is assigned with a grayscale value in a range of grayscale values that is divided into a plurality of grayscale sections; and a first power source voltage adjuster selecting a reference block row, and determining a magnitude of a first power source voltage supplied to the first power source line based on a number of blocks in the reference block row having a grayscale section that is same as a maximum grayscale section of the reference block row. The maximum grayscale section corresponds to a grayscale section that includes a largest grayscale value having a grayscale value ratio greater than a minimum ratio.

Abstract: The invention provides a chip structure of a micro light-emitting diode display, comprising a package substrate, at least one light-emitting diode (LED) element, at least one metal oxide semiconductor field effect transistor (MOSFET), and a connection line. The LED element and the MOSFET are positioned on the package substrate, and each MOSFET comprises a source connected with the input voltage in common, a gate connected with a main control circuit, and a drain. An end of the LED element is connected with the drain of the MOSFET through the connection line, and the other end of the LED element is independently connected with a source drive circuit. Therefore, the MOSFET is provided on the package substrate and integrated in a chip structure, so as to achieve a better heat dissipation effect and requirements of high density and brightness.

Abstract: Provided is a pixel driving circuit. The pixel driving circuit includes a reset unit, a storage unit, an initialization unit, a drive unit, a threshold compensation unit, and a data write unit. A first terminal of the reset unit is configured to input the signal output by a reset power supply. A second terminal of the reset unit is connected to the control terminal of the drive unit and configured to provide the reset power supply for the control terminal of the drive unit during a power-on period. During the power-on period of the pixel driving circuit, the reset unit provides the reset power supply for the drive unit and performs reset control on the drive unit, so that the drive unit is prevented from being abnormally turned on during a power-on stage, thereby avoiding a screen flicker phenomenon.

Abstract: A scan driver includes a first transistor including gate, first, and second electrodes coupled to a Q node, a scan clock line, and a scan line. A second transistor includes gate and first electrodes coupled to a scan carry line, and a second electrode coupled to the Q node. A third transistor includes gate and first electrodes coupled to a first control line and a sensing carry line. A fourth transistor includes a gate and first electrode coupled to the sensing carry line and the third transistor first electrode. A fifth transistor includes gate, first, and second electrodes coupled to a fourth transistor second electrode, a second control line, and a node. A capacitor includes first and second electrodes coupled to the fifth transistor first and gate electrodes. A sixth transistor includes gate, first, and second electrodes coupled to a third control line, the node, and the Q node.

Abstract: A display panel and a display apparatus are provided. The display panel has a conventional display region and a function display region for arranging an optical function element, and includes first pixel circuits and first fixed potential lines that are located in the conventional display region and electrically connected to the first pixel circuits, and further includes second pixel circuits and second fixed potential lines that are located in the function display region and are electrically connected to the second pixel circuits. A distance between two adjacent first fixed potential lines of the first fixed potential lines is greater than a distance between two adjacent second fixed potential lines of the second fixed potential lines.

Abstract: The application discloses a pixel circuit and a driving method thereof. By synchronously resetting a potential of an input end of a light-emitting unit and a potential of a control end of a driving unit, the input end of the light-emitting unit can obtain a longer reset time; when the light-emitting unit emits light, a resetting transistor and an initialization transistor are both in an off state, which can better prevent leakage of the input end of the light-emitting unit, thereby improving display effect of the pixel circuit in a dark state or low gray level.

Abstract: A display device may include: a light-emitting diode (LED) backlight unit (BLU), a pixel driving circuit configured to generate a scan signal and an image signal, a pixel circuit configured to generate an output current based on the scan signal and the image signal, and transmit the output current to the LED BLU, the pixel circuit including, a first transistor connected between an input pin and a node, the input pin configured to receive the image signal, the first transistor including a gate terminal configured to receive the scan signal, a second transistor connected between the node and a ground terminal, the second transistor including a gate terminal connected to the node, a third transistor connected between the node and a gate node, a fourth transistor configured to generate the output current according to a voltage of the gate node, and a capacitor connected to the gate node.

Abstract: A spliced display panel includes: a spliced substrate having first openings, spliced screen units disposed on a side of the spliced substrate, electronic devices disposed on a side of the spliced substrate away from the spliced screen units, and circuit components. The spliced screen units are divided into spliced screen unit groups, and each spliced screen unit group includes at least one spliced screen unit. A first opening corresponds to a spliced screen unit group, and exposes a part of a whole of the at least one spliced screen unit in the spliced screen unit group. A circuit component passes through one first opening, an end of the circuit component is electrically connected to a spliced screen unit, and another end thereof is electrically connected to at least one electronic device.

Abstract: An arrangement for operating a diode array includes a plurality of LEDs. Each LED is assigned a respective sensor element which is configured to detect a characteristic value representative of a luminous flux of the respective LED. The arrangement also includes a respective supply input for providing a current for light-emitting operation of the respective LED. The arrangement further includes in each case a control unit which is coupled on the input side to the respective supply input and the respective sensor element and on the output side to the respective LED and is configured to control the current for light-emitting operation of the respective LED as a function of the corresponding characteristic value. The arrangement additionally includes a respective supply input for providing a current for light-emitting operation of the respective LED.

Abstract: A display device includes a substrate, a polycrystalline semiconductor layer including a channel of a driving transistor, and a channel of a seventh transistor, a gate electrode of the driving transistor overlapping the channel thereof, a gate electrode of the seventh transistor overlapping the channel thereof, an oxide semiconductor layer including a channel of a fourth transistor, a gate electrode thereof overlapping the channel of the fourth transistor, a first initialization voltage line connected to a first electrode of the fourth transistor, the first initialization voltage line and the gate electrode of the fourth transistor being position on a same layer, and a second initialization voltage line connected to a second electrode of the seventh transistor, the second initialization voltage line and the first initialization voltage line being positioned on different layers from each other.

Abstract: The present disclosure provides a pixel circuit, a display panel and a display apparatus. A gate of a data writing transistor is electrically connected with a first scan line, a first electrode of the data writing transistor is electrically connected with a data line, and a second electrode of the data writing transistor is electrically connected with a first electrode of a drive transistor; a gate of a threshold compensation transistor is electrically connected with a second scan line, a first electrode of the threshold compensation transistor is electrically connected with a gate of the drive transistor, and a second electrode of the threshold compensation transistor is electrically connected with a second electrode of the drive transistor; and a compensation circuit is electrically connected with the gate of the drive transistor.

Abstract: A display panel and a display device. The display panel includes a first area and a second area, and a plurality of first pixel rows and a plurality of second pixel rows, each of the first pixel row and the second pixel row includes a plurality of pixels. The number of the pixels of each first pixel row is greater than the number of the pixels of each second pixel row. The pixels in the first pixel row are display pixels, and the plurality of pixels in the second pixel row are display pixels and virtual pixels. The display pixel includes a display pixel circuit, the virtual pixel includes a virtual pixel circuit, and the virtual pixel circuit includes a compensation unit.

Abstract: A pixel of a display device includes a first transistor including a top gate coupled to a first node, a first terminal, a second terminal coupled to a second node, and a bottom gate, a second transistor including a gate coupled to a writing signal line, a first terminal coupled to a data line, and a second terminal coupled to the first node, a storage capacitor coupled between the first node and the second node, a light emitting element coupled between the second node and a second power supply voltage line, and a seventh transistor including a gate coupled to an initialization signal line, a first terminal coupled to a bias voltage line, and a second terminal coupled to the bottom gate.

Abstract: A display device includes pixels-arranged in an array with rows and columns, column lines, each connected to the pixels of one of the columns, row lines, each connected to the pixels of one of the rows, and a control unit connected to the column lines and the row lines. The control unit is configured to generate a column pulse for a selected one of the column lines and generate a data signal for a selected row line from the row lines. The data signal includes a set pulse which, when the pixel is set to a radiating state, is applied at least in part to the pixel connected to the selected column and row line when the column pulse is applied to the pixel, and drives the pixel such that a light emission of the pixel depends on the time offset between the column pulse and the set pulse.

Abstract: A display device that includes: a display panel including a plurality of pixels respectively connected to a corresponding data line of a plurality of data lines and a corresponding scan line of a plurality of scan lines; and a test circuit connected to the data lines, and wherein the display panel includes a first area having a first light transmittance and a second area having a second light transmittance, wherein the pixels include a first pixel in the first area and a second pixel in the second area, wherein the test circuit provides a first test data signal to a data line connected to the first pixel, and provides a second test data signal to a data line connected to the second pixel, and wherein a voltage level of the first test data signal is different from a voltage level of the second test data signal.

Abstract: A pixel driving circuit and a display panel are provided. The pixel driving circuit includes a control unit to output a control signal by detecting a voltage difference between two opposite ends of a sampling resistor, and to turn on a fourth switch by the control signal. When the fourth switch is turned on, a second positive voltage received by the pixel driving circuit charges a second node to further speed up a voltage pulling up of the second node to improve a detecting speed of the pixel driving circuit.

Abstract: A display device including pixels; a controller configured to generate first compensation data based on first sensing data with respect to threshold voltages of driving transistors of the pixels which are sensed during a first sensing period, to generate second compensation data based on second sensing data with respect to mobilities of the driving transistors of the pixels which are sensed during the first sensing period, to generate third compensation data based on third sensing data with respect to mobility change amounts of the driving transistors of the pixels which are sensed using image data for sensing compensated based on the first and second compensation data during a second sensing period, and to compensate input image data based on the first, second, and third compensation data to generate compensated image data; and a data driver configured to provide data voltages to the pixels based on the compensated image data.

Abstract: Provided are a pixel drive circuit, a drive circuit of a display panel, and a display apparatus. The pixel drive circuit includes a switch unit and a drive unit, the switch unit is connected to the drive unit, and the drive unit is configured to be connected to a plurality of sub-pixel units; the switch unit is configured to receive a scan signal and a data signal, be switched on under action of the scan signal, and send the data signal to the drive unit; and the drive unit is configured to send the data signal to the plurality of sub-pixel units connected thereto in a time division manner.