Abstract: An organic compound, an electroluminescent material and its application are provided in the present disclosure. The organic compound includes a structure: X is selected from O, S, N—RN1, and CRC1RC2; Y is selected from O, S, N—RN2, CRC3RC4, O?S?O, SiRS1RS2, O?P—Ar1, and S?P—Ar2, RN1, RN2, RC1, RC2, RC3, RC4, RS1, and RS2 are each independently selected from C1˜C20 linear or branched alkyl, C6˜C40 aryl, and C3˜C40 heteroaryl; Ar1 and Ar2 are each independently selected from C6˜C40 aryl and C3˜C40 heteroaryl; L1, L2, L3, L4, and L5 are each independently selected from a single bond, C6˜C40 arylene, and C3˜C40 heteroarylene; R1, R2, R3, R4, and R5 are each independently selected from deuterium, C1˜C20 linear or branched alkyl, C1˜C20 alkoxy, C1˜C20 alkylthio, C3˜C20 cycloalkyl, C6˜C40 aryl, C3˜C40 heteroaryl, and C6˜C40 arylamino; and n1, n2, n3, n4, n5, m1, m2, m3, m4, and m5 are integers each independently selected from 0-2.

Abstract: A display drive method is applied to a display panel. The display panel has a subpixel used for image display. The display drive method includes obtaining a to-be-displayed grayscale of a to-be-displayed subpixel, selecting a suitable compensation manner based on the to-be-displayed grayscale, and providing a data voltage for the to-be-displayed sub-pixel based on the selected compensation manner. The compensation manner includes a first compensation manner and a second compensation manner. When the to-be-displayed grayscale is 0 grayscale, the first compensation manner is selected. When the to-be-displayed grayscale is greater than 0 grayscale, the second compensation manner is selected. The first compensation manner is used to reduce a difference between light-emitting efficiencies of sub-pixels with different light-emitting colors under a same grayscale.

Abstract: Display panel and display device are provided. The display panel includes a first light-transmitting group, a first non-display area, and a display area; and a plurality of pixel driving circuits and a plurality of drive signal lines. The first non-display area surrounds the first light-transmitting group, the display area surrounds the first non-display area, and the first light-transmitting group includes at least two first light-transmitting areas arranged along a first direction. The plurality of pixel driving circuits is in the display area, a pixel driving circuit of the plurality of pixel driving circuits includes a data writing module, and a drive signal line of the plurality of drive signal lines is electrically connected to a control terminal of the data writing module.

Abstract: A display panel, a driving method of a display panel, and a display device are provided. The display panel includes pixel circuits and a gate driving circuit including cascaded first shift register units. A trigger signal input terminal of the first stage first shift register unit is connected to a trigger signal terminal through a first switch element. A signal output terminal of the i-th stage first shift register unit is connected to a trigger signal input terminal of the (i+1)-th stage first shift register unit through a second switch element. A trigger signal input terminal of the N-th stage first shift register unit is connected to the trigger signal terminal through a third switch element. A signal output terminal of the j-th stage first shift register unit is connected to a trigger signal input terminal of the (j?1)-th stage first shift register unit through a fourth switch element.

Abstract: A driving method and apparatus, an electronic device, and a storage medium, which ameliorate smearing when image switching are described. In an embodiment, a driving method for an organic light-emitting diode (OLED) display panel includes: correcting, if a current display brightness value of the OLED display panel is below a brightness threshold, grayscale data of an Nth frame to obtain corrected grayscale data of the Nth frame; obtaining a compensation value of an (N+1)th frame according to grayscale data of the (N+1)th frame and the corrected grayscale data of the Nth frame; performing compensation according to the compensation value of the (N+1)th frame and the grayscale data of the (N+1)th frame to obtain compensated grayscale data of the (N+1)th frame; and outputting the compensated grayscale data of the (N+1)th frame to the OLED display panel.

Abstract: A display device determines a gray level for a first pixel based on video data, determines whether the first pixel is in a first deterioration mode or a second deterioration mode following the first deterioration mode based on a driving history of the first pixel, determines a data signal to be supplied to the first pixel based on the gray level and the driving history of the first pixel with reference to first adjustment information for the first deterioration mode in a case of determining that the first pixel is in the first deterioration mode, and determines a data signal to be supplied to the first pixel based on the gray level and the driving history of the first pixel with reference to second adjustment information for the second deterioration mode in a case of determining that the first pixel is in the second deterioration mode.

Abstract: A light ray direction control element includes a base, a plurality of light transmitting layers arranged on a main surface of the base, a light absorbing layer disposed among the plurality of light transmitting layers, and a tilt prevention layer provided on the main surface of the base and disposed on an outer periphery of a region in which the plurality of light transmitting layers is disposed.

Abstract: A display device includes a display region including display pixels, dummy pixels disposed outside the display region, light blocking films covering the dummy pixels. The display region includes a first region and a second region having a lower display pixel density than the first region. A control circuit is configured to supply the display pixels in the second region with driving current higher than driving current for the first region for the same grayscale level specified in image data, supply each of the dummy pixels with the same data signal as a data signal for the associated display pixel in the second region, measure deterioration of the light-emitting element of each of the dummy pixels, and adjust data signals for the display pixels in the second region associated with the dummy pixels based on results of the measurement.

Abstract: Provided are a display panel, a method for manufacturing a display panel, and a display device. The display panel includes: a base substrate; an insulating layer disposed on the base substrate; a first groove provided in a transition region, a first cover layer and a common light-emitting functional layer. The first groove at least partially surrounds a display region. The first groove includes a first portion and a second portion. An aperture of the second portion on a side adjacent to the first portion is less than an aperture of the first portion on a side adjacent to the second portion. The first cover layer includes a first sub-cover layer disposed on the side of the insulating layer away from the base substrate and a second sub-cover layer. The second sub-cover layer covers a sidewall of the second portion. The common light-emitting functional layer is disconnected at the first groove.

Abstract: A display panel and a display device are provided. The display panel includes a substrate, a driving circuit layer, a planarization layer, and a light-emitting unit layer. The driving circuit layer is provided on a side of the substrate. The planarization layer is provided on a side of the driving circuit layer facing away from the substrate. The light-emitting unit layer is provided on a side of the planarization layer facing away from the driving circuit layer. The planarization layer includes a first planarization sublayer and a second planarization sublayer. The first planarization sublayer is arranged at least in a first region of the display panel. The second planarization sublayer is arranged at least in a second region of the display panel. Materials of the first planarization sublayer and the second planarization sublayer are different in composition.

Abstract: Provided are an organic compound, an electroluminescent material, and a use thereof. The organic compound has a structure represented by Formula I and is a carbazole olefin-like compound which is beneficial for improving the amorphous performance, thermal stability, and glass transition temperature of the material. The organic compound has appropriate HOMO energy level and LUMO energy level and a relatively high triplet energy level and can inhabit the transfer of triplet energy from a guest back to a host and reduce a driving voltage of a device. The organic compound, as a host material, has a relatively high carrier transport rate and balanced carrier transport performance, so as to facilitate the balance of hole and electron currents in the device, obtain a wider carrier recombination region, significantly improve light emitting efficiency and external quantum efficiency of the device, and reduce a turn-on voltage and power consumption of the device.

Abstract: A display panel including pixel circuits each including a drive transistor and a first reset transistor; first signal line including an indirect-connection signal line and a direct-connection signal line; connection signal lines, at least part of which is electrically connected to the indirect-connection signal lines; anodes; a pixel circuit group including two pixel circuits at least partially symmetric and adjacent, the first reset transistors of two pixel circuits being adjacent to each other, and adjacent first reset transistors being connected through a first semiconductor connection line, which is connected to the reset signal line; and pixel columns, two sides of the drive transistors in a pixel column being provided with two first signal lines and two second connection signal lines. At least part of the anodes overlaps with adjacent first signal lines and/or two adjacent second connection signal lines.

Abstract: Provided are a method for transmitting data, an electronic device, and a non-transitory computer-readable medium. The method includes determining whether a serial number of a data line corresponding to the current channel datum is a staring serial number of a first predetermined serial number range, when yes, mapping a staring serial number or an ending serial number of a first mapping range as the serial number of the data line corresponding to the current channel datum, and resetting a counting value; and determining whether the serial number of the data line corresponding to the current channel datum is not the starting serial number of the first predetermined serial number range, and when yes, increasing a current counting value by 1 within a first counting range, determining a current serial number step, and mapping a sum of the current serial number step and another serial number as the serial number.

Abstract: The present disclosure provides a display panel and a display device including the display panel. The display panel has a display region including a first display region and a second display region, and the first display region has a smaller sub-pixel density than the second display region. Light-shielding structures are arranged in the first display region, and one light-shielding structure overlaps a light-emitting region of at least one first sub-pixel. The light-shielding structure group constituted by the light-shielding structures includes main and auxiliary light-shielding structures having the same shape. When viewed from the top at the same viewing angle, the auxiliary light-shielding structure is equivalent to a structure obtained by rotating the main light-shielding structure by a certain angle in a plane where the main light-shielding structure is located. With this design, a light diffraction phenomenon is alleviated and the imaging quality of the under-screen optical device is improved.

Abstract: A compound having a structure represented by Formula I, and an organic electroluminescent device and an electronic apparatus including the same. The compound may be used as a hole transport material of an organic electroluminescent device. The compound provided by the present disclosure has a shallow LUMO, an appropriate HOMO energy level and a high triplet energy level ET, and can effectively improve hole transport ability, and block electron transition and exciton transport; meanwhile, the compound has high electron mobility, and excellent thermal stability and thin film stability. The compound provided by the present disclosure is used as the hole transport material of an organic electroluminescent device, so that the material has good solubility and appropriate mobility and the inter-pixel cross-talk is effectively avoided, which is conducive to improving light emitting efficiency and lifetime of the device.

Abstract: Provided is a compound represented by formula 1, and a display panel and a display apparatus including the compound. In formula 1, L1 and L2 are each independently selected from the group consisting of a single bond, C6-C30 aryl, and C4-C30 heteroaryl; a and b are each independently selected from 0, 1, 2, 3, or 4; D1 and D2 are each independently a nitrogen-containing electron donor unit selected from the group consisting of carbazolyl and derivative groups thereof, acridinyl and derivative groups thereof, diarylamino and derivative groups thereof, and triarylamino and derivative groups thereof; and c and d are each independently selected from 0, 1, 2, 3, or 4, and c+d?1.

Abstract: An array substrate, a display panel and a display device are provided. The array substrate has a display area and a non-display area surrounding the display area. The array substrate includes: pixel circuits arranged in the display area in an array along a first direction and a second direction; a first gate driving circuit in the non-display area including first shift register units; and a second gate driving circuit in the non-display area including a plurality of second shift register units in cascade connection. The first gate driving circuit and the second gate driving circuit are electrically connected to different transistors in the pixel circuits; and an orthographic projection of the first gate driving circuit on a plane of the array substrate and an orthographic projection of the second gate driving circuit on the plane of the array substrate at least partially overlap along the second direction.

Abstract: A display panel includes pixels disposed in a delta-nabla layout. Each data line set consists of three data lines of a data line for a first color, a data line for a second color, and a data line for a third color disposed consecutively. An additional data line for the first color is disposed outside the data line sets. Each pixel circuit for the first color in each of pixel circuit column pairs is supplied with a data signal from a data line for the first color closer to the pixel circuit between the data line for the first color in the associated data line set and the data line for the first color located adjacent to the data line for the third color in the associated data line set outside the associated data line set.

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 device and a driving method of the display device are provided. The display device includes a case, a first reel, a flexible display screen, and a retractable component. The first reel is located inside the case. The flexible display screen is wound on the first reel, and is retractable or expandable along a first direction. The retractable component includes a first retractable component including N retractable parts that are capable of sliding with respect to each other along the first direction, where N is a positive integer greater than or equal to 2. When the flexible display screen is expanded, the N retractable parts are expanded along the first direction and are arranged along a second direction, where the second direction intersects the first direction. When the flexible display screen is retracted, the N retractable parts are arranged in sequence along the second direction.