Abstract: Provided are an OLED, display panel and display device. The OLED includes a first electrode, a second electrode, a light emitting layer and at least one blocking layer. The second electrode is arranged opposite to the first electrode. The light emitting layer is arranged between the first electrode and the second electrode. The blocking layer is arranged between the light emitting layer and the second electrode and/or between the light emitting layer and the first electrode. Each blocking layer of the at least one blocking layer comprises at least two blocking materials, electron mobility of at least one blocking material of the at least two blocking materials is lower than a first preset value, electron mobility of at least another blocking material of the at least two blocking materials is higher than a second preset value, and the first preset value is lower than the second preset value.

Abstract: A bonding device and a bonding method for an irregular-shaped curved cover plate and a flexible screen are disclosed. The bonding device includes: a support body supporting the flexible screen; and a bonding body supporting the flexible screen together with the support body and pressing the flexible screen. The bonding body has a cylindrical shape. A cross-sectional shape of the bonding body along an axial direction matches with a cross-sectional shape of the irregular-shaped curved cover plate. The support body is located at a radial end of the bonding body. The bonding body can be expanded along the axial direction, to have opposite sides thereof abutted against the arc hook areas.

Abstract: A compensation apparatus of a display panel and a display panel. The compensation apparatus is used for performing optical compensation on a display panel to be compensated. The display panel to be compensated includes a bent region. The compensation apparatus of a display panel includes a light collimation module and an optical compensation module. The light collimation module is disposed on a light exiting side of the bent region and between the display panel to be compensated and the optical compensation module and is configured to adjust transmission directions of light beams constituting a first display image, so that the adjusted light beams are in parallel in pairs. The first display image is an image displayed in the bent region. The optical compensation module is configured to collect the first display image and perform optical compensation on the first display image.

Abstract: The present application provides a display panel comprising a substrate and a plurality of film layers disposed on the substrate in sequence, and at least one of the film layers having a patterned structure, wherein the display panel has at least a first location and a second location different from the first location, and the film layers arranged in a thickness direction of the display panel at the first location are different from the film layers arranged in a thickness direction of the display panel at the second location, a first optical length L1 at the first location and a second optical length L2 at the second location meet the following conditions: L1=d1*n1+d2*n2+ . . . +di*ni, L2=D1*N1+D2*N2+ . . . +Dj*Nj, (m??)??L1?L2?(m+?)?, wherein ? is a constant between 380 nm and 780 nm; m is a natural number; and ? is a constant between 0 and 0.2.

Abstract: Provided is an organic light-emitting diode. The organic light-emitting diode includes a first electrode, a second electrode, a light-emitting layer and a hole blocking layer, where the first electrode and the second electrode are oppositely disposed; the light-emitting layer is disposed between the first electrode and the second electrode; the hole blocking layer is disposed between the light-emitting layer and the second electrode; and the hole blocking layer includes at least two hole blocking sub-layers which are stacked, where a lowest unoccupied molecular orbital (LUMO) energy level decreases sequentially in the at least two hole blocking sub-layers.

Abstract: A screen supporting device includes: a drive component and a supporting component rotationally connected to the drive component. The drive component comprises a rotating shaft and a connecting rod that rotationally connected to the rotating shaft. The drive component and the supporting component are disposed in a non-display surface of the flexible display screen. The connecting rod is fixedly connected to the supporting component. Through the rotating connection between the rotating shaft and the connecting rod, the supporting component and the drive component relatively rotate and move away from each other to fold or expand the flexible display screen.

Abstract: A pixel arrangement structure and a display panel. The pixel arrangement structure includes a plurality of sub-pixel units, and each sub-pixel unit of a plurality of sub-pixel units includes a central sub-pixel and a plurality of peripheral sub-pixels surrounding the central sub-pixel. A light emitting color of the central sub-pixel is the same as a light emitting color of the plurality of peripheral sub-pixels. Each of the plurality of sub-pixels includes a plurality of vertex angles, and each of the plurality of vertex angles is provided corresponding to a respective one of the plurality of peripheral sub-pixels.

Abstract: A screen tensioning device includes a supporting frame with a mounting surface and a plurality of air floating assemblies arranged on the mounting surface, each of the air floating assemblies includes an air floating base mounted on the mounting surface; a supporting tray arranged on a side of the air floating base away from the mounting surface, the supporting tray includes a first surface facing the air floating base and a second surface disposed opposite to the first surface and for supporting a mask frame; at least one air hole disposed toward the first surface of the supporting tray, so as to float the supporting tray when air is blown; and a limiting component connected between the air floating base and the supporting tray, and for limiting a displacement of the supporting tray in a direction parallel to the mounting surface.

Abstract: A test circuit and method for a display panel, and a display panel. The test circuit includes a panel test sub-circuit configured to control panel test switch units to turn on or turn off, to transmit multiple panel test signals; an array test sub-circuit configured to control array test switch units to turn on or turn off, to output short circuit determination signals at test terminals according to the multiple panel test signals, which are used to determine whether there is a short-circuited data line in the display panel; at least one set of the array test switch units are turned on in a test sub-period, and under a condition that the at least one set of the array test switch units are turned on, the panel test signals corresponding to different types of sub-pixels in the display panel change alternately to an effective level.

Abstract: A display panel, a display screen, and a display terminal are provided. The display panel includes a substrate and a plurality of wavy first electrodes disposed on the substrate. The plurality of first electrodes extend in parallel in the same direction and have an interval between adjacent first electrodes. In an extending direction of the first electrode, a width of the first electrode changes continuously or intermittently, and the interval changes continuously or intermittently.

Abstract: Display panel, manufacturing method thereof, and display device are provided. As an example, the display panel includes a substrate, a TFT layer formed on the substrate, and an encapsulation layer formed on the TFT layer. The TFT layer includes a thin film transistor with a source electrode, a drain electrode and a gate electrode, and further includes a first metal layer, a first inorganic layer on the first metal layer, and a second metal layer on the first inorganic layer. The second metal layer includes a first region and a second region, a hollowed-out region is formed between the first region and the second region, and the first region and the second region are electrically connected via the first metal layer. A portion of the encapsulation layer that is located in the hollowed-out region is in contact with the first inorganic layer.

Abstract: An array substrate, a display panel, and a display apparatus. The array substrate includes a base substrate; a first electrode layer formed on the base substrate; a light emitting layer formed on the first electrode layer and including a non-transparent first light emitting region, a second light emitting region, and a transparent third light emitting region; and a second electrode layer formed on the light emitting layer. The first light emitting region includes first light emitting structures. The second light emitting region includes second light emitting structures. The third light emitting region includes third light emitting structures. The second light emitting region is located between the first light emitting region and the third light emitting region. A distribution density of first light emitting structures, a distribution density of second light emitting structures, and a distribution density of third light emitting structures are gradually changed in sequence.

Abstract: The pixel circuit includes a data-writing module, a drive module, a storage module, a first light emission control module, a second light emission control module, a light-emitting module and a first initialization module. A first terminal of the first initialization module is electrically connected to a second light emission control signal input terminal, a second terminal of the first initialization module is electrically connected to a control terminal of the drive module; or the pixel circuit includes an initialization voltage input terminal, the first terminal of the first initialization module is electrically connected to the initialization voltage input terminal, the second terminal of the first initialization module is electrically connected to the control terminal of the drive module. The first initialization module is configured to initialize the control terminal of the drive module under a control of a control signal input into a control terminal of the first initialization module.

Abstract: Provided is a display panel, comprising a substrate, and a plurality of film layers sequentially disposed on the substrate. The display panel has m paths orthogonal to a surface of the substrate, and including a first path and a second path comprising different film layers. When a thickness of the film layer is set to a preset thickness and/or when a refractive index is set to a preset refractive index, the display panel allows an externally incident light to enter therein in a direction orthogonal to the surface of the substrate, and pass through the first path and the second path. A difference value between optical lengths of the first path and the second path is an integer multiple of a wavelength of the externally incident light.

Abstract: The present disclosure provides a display panel, a transparent OLED substrate and an OLED substrate. The transparent OLED substrate includes: a base substrate; a first electrode layer located on the base substrate; a light emitting structure layer located on the first electrode layer and including light emitting structures of n colors, n?1; and a second electrode located on the light emitting structure layer. The first electrode layer includes electrode groups arranged along a first direction, each electrode group includes first electrode(s), each first electrode extends along a second direction perpendicular to the first direction. When a driving voltage is between each first electrode and the second electrode, the transparent OLED substrate performs a display function; and otherwise, the transparent OLED substrate performs a light transmission function.

Abstract: The present disclosure discloses a laminating device, a laminating method, and a display device. The laminating device is configured to laminate a flexible member to be laminated to a curved receiving member. The laminating device includes a gasbag. The gasbag includes an elastic housing configured for receiving gas medium. The elastic housing includes a carrying portion and a clamping portion which are connected to each other. The carrying portion is configured to carry the flexible member to be laminated. The elastic housing is provided with a plurality of first apertures. When a gas pressure in the elastic housing reaches a first preset pressure, the gas medium is released to outside of the elastic housing through the first apertures. This design can avoid a bad laminating caused by an improper adjustment of laminating pressure.

Abstract: A driving method for driving a pixel circuit. The pixel circuit includes a driving transistor, a data-writing transistor, a compensating transistor, a first initializing transistor, a second initializing transistor and a light-emitting element. The compensating transistor is connected between a gate of the driving transistor and a second pole of the driving transistor. The second pole of the driving transistor is connected to an initialization power supply through the first initializing transistor. The data-writing transistor is connected between a data voltage input terminal and a first pole of the driving transistor. The second initializing transistor is connected between a first signal terminal and a first pole of the driving transistor; and the light-emitting element is connected between the second pole of the driving transistor and a second power voltage input terminal.

Abstract: The application discloses a display panel and a display device. The display panel includes a substrate. The substrate includes a bonding region and a bend region connected to the bonding region. The substrate further includes a support block disposed corresponding to the bend region and the bonding region and disposed on a side of the substrate facing away from a display surface. The maximum thickness of the support block located in the bonding region is greater than the maximum thickness of the support block located in the bend region.

Abstract: A flexible display module and a method for manufacturing the same solve a problem that the existing flexible display module is easy to be failure after being bent. The flexible display module includes: a flexible glass layer; and a display panel disposed inside the flexible glass layer.

Abstract: The present disclosure relates to display screens and manufacturing methods of display screens. The display screen includes a packaged component, a non-display area including an effective package area adjacent to the packaged component, and a package shadow area located at a periphery of the effective package area. The package shadow area includes a supporting substrate defining a groove for disconnecting a thin film package structure formed on the support substrate. The thin film package structure is disconnected at the groove.