Abstract: The present disclosure relates to the technical field of OLED, and provides a compound having TADF property. In an embodiment the compound has a structure according to Formula (1), in which X1-X5 are each independently selected from a carbon atom and a nitrogen atom, and at least one of X1-X5 is a nitrogen atom; R11-R20 are each selected from the group consisting of a hydrogen atom, a fluorine atom, alkyl, alkoxy, cyano, trifluoromethyl, an electron-accepting group, and an electron-donating group; at least one of R11-R15 is an electron-donating group or an electron-accepting group, and at least one of R16-R20 is an electron-donating group or an electron-accepting group; when each of R11-R15 is an electron-accepting group, at least one of R16-R20 is an electron-donating group, and each of R11-R15 is an electron-donating group, at least one of R16-R20 is an electron-accepting group.

Abstract: Provided display panel includes: a pixel circuit and a light-emitting element. The pixel circuit includes a dimming module, a drive module providing drive current for the light-emitting element and including a drive transistor, and a bias module connected between bias signal terminal and first terminal of the drive transistor and configured to perform bias adjustment on the drive transistor. A control terminal of the bias module is connected to bias control terminal, and the bias signal terminal is provided with bias signal. The pixel circuit includes working stages including at least a first and a second working stage and a second working stage, a light emission duration of the light-emitting element in the first working stage is different from that in the second working stage, and a bias signal voltage provided by the bias signal terminal in the first working stage is different from that in the second working stage.

Abstract: Provided are an organic compound and use thereof. Specifically, an organic compound, an OLED display panel, and an electronic device are provided. The organic compound has a structure shown in Formula (I); the OLED display panel comprises a first electrode, a second electrode, and an organic thin film layer provided between the first electrode and the second electrode; the organic thin film layer comprises a light-emitting layer; and a host material of the light-emitting layer comprises any one or a combination of at least two of the organic compounds; and the electronic device comprises the OLED display panel. The compound, when used as a host material of the light-emitting layer for the preparation of an OLED device, can reduce the driving voltage of the device, and improve the luminous efficacy and lifetime of the device.

Abstract: A display panel and a display device are provided. The display panel includes a substrate, a pixel definition layer and multiple pixels. The pixel definition layer is arranged on a side of the substrate. The pixel definition layer includes a pixel limiting part and a pixel opening defined by the pixel limiting part. The pixel includes a first electrode and a light emitting structure at least partially arranged in the pixel opening. The pixel opening at least partially exposes at least the first electrode. An orthographic projection of the pixel opening on the substrate is a first shape at least partially includes a curved edge. The light emitting structure is formed in the pixel opening by evaporation, printing, or the like, after the pixel definition layer. Therefore, the light emitting structure is relatively round and then less dispersion results.

Abstract: Provided is a compound with low refractive index, having a structure represented by Formula I. The compounds with low refractive index provided by the present disclosure contain fluorine, cyano or alkyl substituents with large steric hindrance. When paired with a compound with high refractive index as a double-layer CPL material in an OLED, the light extraction efficiency and luminous efficacy of the top-emitting organic optoelectronic device are improved, the angle dependence of the light emission of OLED is alleviated, while water and oxygen in the external environment are effectively blocked to protect the OLED display panel from water and oxygen erosion, and the color shift problem is effectively reduced.

Abstract: Provided are a display panel and a display device. The display panel includes a plurality of touch electrode blocks and a plurality of touch wires. The plurality of touch wires are electrically connected to the plurality of touch electrode blocks correspondingly. The display panel further includes a display region and a non-display region disposed on at least one side of the display region. The plurality of touch electrode blocks are disposed in the display region. The plurality of touch wires include a plurality of first touch wires, at least part of the first touch wire is disposed in the display region, and at least two of the first touch wires are disposed in different films.

Abstract: Provided are a display panel and a driving method for a display panel. The display panel includes multiple levels of shift registers which are cascaded, a clock signal line and a trigger signal line. The display panel comprises a current display mode which comprises a current FPS, a current trigger signal and a current clock signal, where the current FPS is the same as a refresh frequency of the current trigger signal. The display panel further comprises a reference display mode which comprises a reference FPS, a reference trigger signal and a reference clock signal. An effective action duration of the current trigger signal comprises a first stage, and in the first stage, a pulse width of the current clock signal is the same as a pulse width of the reference clock signal. The current FPS is less than a reference FPS in the reference display mode.

Abstract: A display panel and a display device are provided. Data transfer wires electrically connected to first multiplexers pass through an active area and are electrically connected to data pins arranged in a chip binding area. Therefore, an area occupied by the data transfer wires in the border area is reduced, a space for wiring in the border area can be vacated and the border area can be narrowed. This follows the trend towards increasingly narrow borders of display devices.

Abstract: Provided are a display panel and a display device, where the number of pixels in a pixel row included in a first display region of the display panel is smaller than the number of pixels in a pixel row included in a second display region, a first scan line is electrically connected to one first scan control circuit, and a second scan line is electrically connected to two second scan control circuits, where in the case where the ratio of the number of pixels in the first pixel row to the number of pixels in the second pixel row is within a first preset range, smaller than a minimum value of the first preset range, or larger than a maximum value of the first preset range.

Abstract: The present disclosure relate to a driving method for a display panel, a display panel, and a display apparatus. The display panel includes a first mode, and a driving period in the first mode includes an active frame and a hold frame. The driving method includes: in the first mode, controlling a total light emission duration of a light emission control signal in two adjacent time units in the driving period to satisfy the following condition: ? "\[LeftBracketingBar]" N i - N i + 1 N i ? "\[RightBracketingBar]" < A , where the time unit includes at least one light emission period, a first time unit at least partially overlaps with the active frame, Ni denotes a total light emission duration of the light emission control signal in the i-th time unit, Ni+1 denotes a total light emission duration of the light emission control signal in the (i+1)-th time unit, i?1, and A denotes a critical percentage threshold for brightness variation.

Abstract: A display device including a display panel having a display area. The display panel includes pixel circuits located in the display area. Each pixel circuit includes a driving transistor and a voltage regulating module that is configured to adjust a node voltage of the driving transistor by a voltage provided by one voltage regulating signal line of voltage regulating signal lines. The pixel circuits have data refresh frequencies including first and second frequencies. The first frequency is greater than the second frequency. When one pixel circuit performs data refreshing at the first frequency, one voltage regulating signal line is configured to provide a first voltage, and when one pixel circuit performs data refreshing at the second frequency, one voltage regulating signal line is configured to provide a second voltage not equal to the first voltage.

Abstract: A display panel and an electronic device are provided. The display panel includes: a substrate, a first power signal line and a first connection line. The substrate includes a display region and a non-display region surrounding the display region, where the display region includes a first display sub-region and a second display sub-region, the non-display region includes a first non-display sub-region and a second non-display sub-region, the first non-display sub-region includes a binding region, and the binding region is opposite to the first display sub-region The first power signal line is located in the second non-display sub-region. The first connection line is electrically connected to a part of the first power signal line, extends to the binding region, and is at least partially located in the first display sub-region. A width of the first connection line is smaller than a width of the first power signal line.

Abstract: A flexible display panel and a flexible display device are provided. The flexible display panel has a display region and a non-display region and includes an inorganic layer and a signal lead-out line. In an embodiment, the non-display region includes a bending region and a binding region. In an embodiment, the bending region is located between the display region and the binding region. In an embodiment, the inorganic layer is located in the display region and the non-display region. In an embodiment, the blank region includes at least one first blank region, and a portion of the inorganic layer located in one of the at least one first blank region includes at least one first stress groove.

Abstract: The present application provide a pixel circuit and a driving method thereof, and a display panel. The pixel circuit includes: a driving module, a control end of the driving module being electrically connected to a first node; a threshold compensation module, electrically connected to a first scan signal line, the first node, and a first end of the driving module; a first switch module, electrically connected to a first light emitting control signal line and the first end of the driving module; a second switch module, electrically connected to a second light emitting control signal line, a second end of the first switch module, and a first electrode of a light emitting element; and a voltage regulator module, electrically connected to a constant voltage signal line and a target node.

Abstract: A display panel includes pixel circuits and light-emitting elements. A driving module in a pixel circuit is configured to provide a driving current for a light-emitting element in a light emission stage. A bias adjustment module is configured to provide a bias adjustment signal for a driving transistor of the driving module in a bias adjustment stage. A first non-light emission stage includes the bias adjustment stage. In the same first non-light emission stage, time between an end moment of the bias adjustment stage and an end moment of the first non-light emission stage is a bias maintaining stage. The brightness of the display panel in the first mode is different from that in the second mode. At least one of a duration of the bias adjustment stage and a duration of the bias maintaining stage in the first mode is different from the corresponding one in the second mode.

Abstract: A display panel and a display device are provided. The display panel includes a substrate, and sensing elements and at least one light-emitting element that are located at a side of the substrate. The sensing elements include at least one first sensing element each configured to recognize fingerprint, and further comprises at least one second sensing element and/or at least one third sensing element. The at least one second sensing element each is configured to detect color temperature of ambient light. The at least one third sensing element each is configured to monitor a lifetime of one of the at least one light-emitting element.

Abstract: A display panel includes a first sub-region and a second sub-region, a non-display region, a first pixel circuit in the first sub-region, a second pixel circuit in the second sub-region, a first data line at least in the first sub-region, a second data line at least in the second sub-region, and a control circuit in the non-display region and connected to the first data line and the second data line. The first data line is electrically connected to the first pixel circuit. The second data line is electrically connected to the second pixel circuit. In a first mode, a data voltage refresh frequency of the first sub-region is different from that of the second sub-region, the control circuit writes a voltage to the first data line in scanning of the first sub-region and writes a voltage to the second first data line in scanning of the second sub-region.

Abstract: A driving method of a display panel and a display panel are provided. Time for displaying one frame includes N times of first node potential adjustment stages, a data writing stage, and at least one first bias stress stage; the data writing stage is after the first node potential adjustment stage and before the first bias stress stage; the N times first node potential adjustment stage include N reset stages and N first adjustment voltage writing stages; and an i-th first voltage writing stage is after an i-th reset stage. In the reset stage, the first reset module is turned on to write a reset signal to the first node; in the first adjustment voltage writing phase, the first reset module is turned off, and the compensation module is turned on to write a first adjustment voltage into the first node to adjust the bias state of the driving transistor.

Abstract: An organic light-emitting display panel has a display area and a non-display area and includes a base substrate, an organic light-emitting layer arranged at a side of the base substrate and including a plurality of light-emitting units, a pixel definition layer including a plurality of first openings, and a microlens layer arranged at a side of the pixel definition layer facing away from the base substrate and including at least one first sub-microlens. One light-emitting unit of the plurality of light-emitting units is located in one of the plurality of first openings. One first sub-microlens of the at least one first sub-microlens protrudes along a direction from the base substrate to the microlens layer. An orthogonal projection of one first sub-microlens of the at least one first sub-microlens on the base substrate overlaps with an orthogonal projection of the pixel definition layer on the base substrate.

Abstract: Provided are an organic compound and use thereof, where the organic compound has a structure represented by Formula I. The use of organic compound as a material of the capping layer in combination with a capping layer material containing high-refractive-index small organic molecules is conducive to improving the efficiency of a device, in particular improving the color cast.