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: 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 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 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: 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: 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: 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: 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: 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.

Abstract: A display panel and a manufacturing method. The display panel includes a substrate; light-emitting devices and a pixel definition layer that are located at a side of the substrate; and a first spacer structure. The pixel definition layer includes apertures and bank portions, and the apertures include first apertures provided with the light-emitting devices and a second aperture. The first spacer structure is provided in the second aperture. Along a direction perpendicular to a plane of the substrate, one of the bank portions includes a first part, a distance from a surface of the first spacer structure away from the substrate to the substrate is d1, and a distance from a surface of the first part away from the substrate to the substrate is d2, where d1>d2. A transmission path of a lateral leakage current between two adjacent sub-pixels can be increased, thereby ameliorating undesirable lighting of sub-pixels.

Abstract: Provided are display panel, method for driving same, and display device. Display panel includes pixel circuit and cascaded first shift circuits. Pixel circuit includes drive transistor and adjusting module electrically connected to first scan line, adjusting line and first electrode of drive transistor. First shift circuit is electrically connected to first scan line and includes first control module and first output module. First control module is electrically connected to first type-A clock line, first shift control line and first control node, and configured to write first shift control signal into first control node in response to first type-A clock signal from first type-A clock line. First output module is electrically connected to first control node, first type-B clock line and first scan line, and configured to write first type-B clock signal into first scan line in response to signal of first control node.

Abstract: A display panel, a method for driving the same, and a display apparatus are provided. The display panel includes an emission driving circuit that includes cascaded emission driving units. The emission driving unit includes a control module including a control transistor. The control transistor provides a signal of an adjustment signal terminal to a first node in response to a signal of a first control signal terminal, so as to turn off a first output module. A voltage difference between any two of a control electrode, a first electrode or a second electrode of the control transistor is smaller than or equal to a preset threshold, and/or a duration in which a voltage difference between any two of the control electrode, the first electrode or the second electrode of the control transistor is greater than the preset threshold is smaller than or equal to a preset duration.

Abstract: The present disclosure provides a display panel having a first display area and a second display area, the display panel including: a substrate; a driving device layer on a side of the substrate, including transistors; a first electrode layer in the first display area and on a side of the driving device layer away from the substrate, including first electrodes; a first transparent part in the first display area and between the driving device layer and the first electrode layer, including first padding layers, which are electrically connected to the transistors; and a second transparent part in the first display area and between the first transparent part and the first electrodes, including second padding layers for connecting to the first padding layers, that the transistors transmit signals to the first electrodes through the first padding layers and the second padding layers.

Abstract: A control system is configured to acquire an image captured by an imaging device, and display a stereoscopic image on a display apparatus based on a position of an observer detected in a predetermined tracking area in the acquired image. The tracking area is a part of an area in which an observer is trackable and the tracking area includes a stereoscopic viewing zone in which a stereo image can be recognized from the stereoscopic image. The control system is further configured to display a stereoscopic image for a predetermined time based on a position at which the observer is detected last after the detected observer has become untrackable in the tracking area, and display a stereoscopic image suitable for a predetermined position in the stereoscopic viewing zone in a case where no observer is detected in the tracking area over the predetermined time.

Abstract: A display panel, a stage circuit, and a driving method of the stage circuit are provided. The stage circuit includes cascaded shift register circuits. Each cascaded shift register circuit includes: a first control module, a second control module, and an output module. The first control module receives an input signal and a charging signal, and generates a voltage signal at a second node in response to a first clock signal and a voltage signal at a first node. With an exception of a first stage cascaded shift register circuit, a first transistor of a current stage cascaded shift register circuit has a first end connected to a signal output terminal of a previous stage cascaded shift register circuit, a second end connected to the second node, and a control end connected to the first node.