Abstract: Provided are a light-emitting panel, a driving method of a light-emitting panel, and a display device. The display panel includes multiple light-emitting units, multiple first switch units, and a constant-current circuit. The light-emitting units are disposed on one side of a substrate and are arranged in an array along a first direction and a second direction. A first terminal of a light-emitting unit is electrically connected to a first supply voltage terminal. A second terminal of the light-emitting panel is electrically connected to a respective first terminal of a first switch unit. The control terminal of the first switch unit is electrically connected to a scan signal line extending along the first direction. A second terminal of the first switch unit is electrically connected to a data signal line extending along the second direction. An output terminal of the constant-current circuit is electrically connected to the data signal line.

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 display panel includes a first display region and a second display region. The light transmittance of the first display region is greater than the light transmittance of the second display region. The first display region includes a plurality of first sub-pixels. At least one of the first sub-pixels includes an electrode group. The electrode group includes a first electrode and a second electrode. In the first direction, the orthographic projection of the first electrode at least partially overlaps the orthographic projection of the second electrode. The first direction is parallel to the light-emitting surface of the display panel. In the stage of capturing, the voltage difference between the first electrode and the second electrode is greater than zero volts. The phase of a voltage difference of the first electrode to the second electrode is reversed as a frame is reversed.

Abstract: The present application discloses a backlight module and a display device. The backlight module includes a plurality of first regions and a plurality of second regions arranged adjacently; the backlight module includes a substrate, including a light-transmitting region, in which the light-transmitting region is at least partially located in the second regions; a plurality of first light-emitting elements, arranged at a side of the substrate, in which the first light-emitting elements are located in the first regions, and the first light-emitting elements emit light along a direction perpendicular to a plane where the substrate is located; a light-guiding plate, arranged at a side of the substrate away from the first light-emitting elements, in which the light-guiding plate includes a plurality of light-supplementing portions located in the second regions; and at least one second light-emitting element, arranged at a side face of the light-guiding plate.

Abstract: In the pixel circuit, first terminal of drive module configured to receive signal output by first power supply, first light emission control module connected between second terminal of drive module and first terminal of light emitting module, and second terminal of light emitting module connected to second power supply; first terminal of first storage module connected to control terminal of drive module, second terminal of first storage module connected to first terminal of second storage module, and second terminal of second storage module connected to first terminal of light emitting module; threshold detection module connected between second terminal of first storage module and second terminal of drive module, and configured to control first storage module to store threshold voltage of drive module; data writing module connected to second terminal of drive module; an initialization module connected to control terminal of drive module and first terminal of light emitting module.

Abstract: A display panel includes a first display region and a second display region. The light transmittance of the first display region is greater than the light transmittance of the second display region. The first display region includes a plurality of first sub-pixels. At least one of the first sub-pixels includes an electrode group. The electrode group includes a first electrode and a second electrode. In the first direction, the orthographic projection of the first electrode at least partially overlaps the orthographic projection of the second electrode. The first direction is parallel to the light-emitting surface of the display panel. In the stage of capturing, the voltage difference between the first electrode and the second electrode is greater than zero volts. The phase of a voltage difference of the first electrode to the second electrode is reversed as a frame is reversed.

Abstract: Provided are a display panel, a display device, and a mask. The display panel includes an array substrate. The array substrate includes a base substrate and first wires and second wires located on one side of the base substrate. The orthographic projections of the first wires on a plane where the base substrate is located intersect the orthographic projections of the second wires on the plane where the base substrate is located; and wire widths of the first wires at intersections are smaller than at least part of wire widths of the first wires at positions other than the intersections, and/or wire widths of the second wires at intersections are greater than at least part of wire widths of the second wires at positions other than the intersections.

Abstract: A touch screen and fabrication method is provided. The touch screen includes a transparent substrate having a display region and a non-display region; a first polarizing film formed on the transparent substrate; and a second polarizing film formed on the first polarizing film. The first polarizing film includes a first region having a first polarization axis direction, and the first region is located in the non-display region along a vertical direction of the transparent substrate. The second polarizing film includes a second region having a second polarization axis direction, and the second region is located in the non-display region along the vertical direction of the transparent substrate. Further, the first polarization axis direction of the first region is perpendicular to second polarization axis direction of the second region.

Abstract: An OLED is disclosed which includes an anode, a hole transport layer, a light emitting layer, an electron transport layer, and a cathode. The light emitting layer includes a first phosphorescent light emitting layer, a blue fluorescent light emitting layer, and a second phosphorescent light emitting layer, which are stacked along a direction from the anode to the cathode. The first phosphorescent light emitting layer includes a material capable of conducting holes and blocking electrons. The second phosphorescent light emitting layer includes a material capable of conducting electrons and blocking holes. The blue fluorescent light emitting layer includes a material capable of conducting both holes and electrons. With the phosphorescent light emitting layers having a function of restricting charges, the exciton recombination zone is constrained in the blue fluorescent light emitting layer.

Abstract: An organic light emitting diode is disclosed. The organic light emitting diode includes an anode, a hole transport layer, a light emitting layer, an electron transport layer, and a cathode. The light emitting layer includes a first phosphorescent light emitting layer, a first isolation layer, a blue fluorescent light emitting layer, a second isolation layer, and a second phosphorescent light emitting layer, which are stacked along a direction from the anode to the cathode. The first isolation layer is configured to conduct holes and to block electrons, and the second isolation layer is configured to conduct electrons and to block holes. The exciton recombination zone is constrained in the blue fluorescent light emitting layer, thus improving the light emitting efficiency and light stability of the organic light emitting diode.