Abstract: Disclosed are a display panel and a display device. The display panel includes a display area and a non-display area surrounding the display area. The display area includes scan lines arranged in a second direction and each extending in a first direction, data lines arranged in the first direction and each extending in the second direction, and pixel driver circuits defined by the scan lines and the data lines intersecting each other, the first direction intersecting the second direction. The non-display area includes a step area and a compensation unit, and the compensation unit is located between the step area and a last row of pixel driver circuits. The compensation unit is connected to a corresponding data line and configured to transmit a leakage current compensation signal to the data line.

Abstract: The display panel includes an array substrate, and the array substrate includes pixel circuits arranged in an array. A first initialization module and a second initialization module are connected in series to an initialization signal terminal and a control terminal of the drive module, an output terminal of the second initialization module is electrically connected to the control terminal of the drive module; a control terminal of the first initialization module is used for receiving a first additional scan signal, and a control terminal of the second initialization module is used for receiving a first scan signal. Within at least one light emitting period of one frame duration, the end time of an active level pulse of the first additional scan signal is later than the end time of an active level pulse of the first scan signal.

Abstract: A scanning drive circuit, a driving method, a display panel, and a display apparatus are provided. The scanning drive circuit includes 1st to nth shift registers cascaded sequentially. Each shift register includes a pull-down unit, a pull-up unit, and first and second output units. The first output unit is electrically connected to a second supply voltage terminal and a first clock signal output terminal, and configured to output a level to a first output terminal based on levels of a second node and a third node. The second output unit is electrically connected to a third supply voltage terminal and a second clock signal output terminal, and configured to output a level to a second output terminal based on the levels of the second node and a fourth node. The first and the second output terminals of each shift register output effective levels sequentially.

Abstract: The present disclosure relates to a nitrogen heterocycle fused ring-indene compound having a structure represented by the Formula (I), in which Ar1 represents a substituted or unsubstituted aromatic fused ring group containing at least one nitrogen heteroaryl; Ar2 represents a chemical group acting as an electron donor; R1 and R2 are independently selected from the group consisting of hydrogen, substituted or unsubstituted C1-C20 alkyl, substituted or unsubstituted C3-C20 cycloalkyl, substituted or unsubstituted C1-C20 alkoxy, substituted or unsubstituted C3-C20 heterocyclyl, substituted or unsubstituted C6-C40 aryl, and substituted or unsubstituted C5-C40 heteroaryl. The compounds according to the present disclosure have high glass transition temperature and thermal stability, and are easy to form a high-quality amorphous film, so that a driving voltage can be lowered, the luminous efficiency and lifetime of the device are improved.

Abstract: Provided are a display panel, a compensation method thereof and a display device. The display panel includes an organic light-emitting element array, a pixel circuit and a detection circuit; the organic light-emitting element array includes multiple organic light-emitting element groups, and ith organic light-emitting element rows in each organic light-emitting element groups are adjacently arranged; a peripheral circuit region includes a pixel driving circuit, a detection driving circuit, and an integrated driving circuit; in a detection phase, the detection driving circuit provides an enabling signal to the detection circuit; the integrated driving circuit provides a detection signal for the detection circuit, and sequentially detects multiple organic light-emitting element groups in a same organic light-emitting element row; in a display phase, the integrated driving circuit provides the compensation signal to the pixel circuit according to the compensation signal.

Abstract: The present disclosure relates to a compound, a material for an organic electroluminescent device and an application thereof. The compound provided by the present disclosure has a relatively high refractive index and can effectively improve the light extraction efficiency and the external quantum efficiency of an organic electroluminescent device when used in the organic electroluminescent device especially as a material for the capping layer. The compound has a relatively high refractive index in the region of visible light (400-750 nm), which is conducive to improving the light-emitting efficiency. The compound has a relatively large extinction coefficient in the ultraviolet region (less than 400 nm), which is conducive to absorbing harmful light and protecting eyesight and has a relatively small extinction coefficient in the region of blue light (400-450 nm) and hardly absorbs blue light, which is conducive to improve the light-emitting efficiency.

Abstract: The present disclosure provides a light-emitting structure, a display panel, a display device, and a control method for a display panel, so as to solve the problem that the user's eyes cannot clearly see the image displayed by the display panel due to ambient light. The light-emitting structure includes a light-emitting unit and a variable reflectivity unit. The light-emitting unit includes a first electrode, a second electrode and a light-emitting layer in between. The first electrode is a transparent electrode. The variable reflectivity unit includes a piezoelectric structure and a layer of liquid reflective material between the first electrode and the piezoelectric structure. A thickness of the layer of the liquid reflective material filled between the piezoelectric structure and the first electrode is changed by deformation of the piezoelectric structure. The light-emitting structure is used to emit light for displaying the image.

Abstract: Provided are a display panel and a display device. The display panel is configured such that a first luminous intensity of a first sub-pixel is greater than a second luminous intensity of a second sub-pixel at a same driving current. A light blocking structure includes a grid-shaped grid line, the shortest distance between a first orthographic projection of a first sub-pixel onto a substrate and a third orthographic projection of the grid line onto the substrate is D1H along the row direction of an array, the shortest distance between a second orthographic projection of a second sub-pixel onto the substrate and the third orthographic projection of the grid line onto the substrate is D2H along the row direction of the array, where D1H<D2H.

Abstract: The present disclosure provides a display panel and a display device. The display panel has a display area and a non-display area surrounding the display area. The display panel includes: at least one barrier portion located in the non-display area, the at least one barrier portion including a first barrier portion and a second barrier portion, and the second barrier portion being located at a side of the first barrier portion that is away from the display area; a first signal line for applying a first signal; and at least one electrostatic discharge unit arranged between the first barrier portion and the second barrier portion. The at least one electrostatic discharge unit includes a first electrostatic discharge unit. The first electrostatic discharge unit is connected to the first signal line and configured to discharge static electricity on the first signal line.

Abstract: A display panel, a brightness compensation method thereof, and a display device are provided. The display panel includes pixel driving circuits and a voltage detection circuit, the pixel driving circuit includes first to third nodes, the voltage detection circuit includes first to third detection nodes, the first to third detection nodes respectively correspond to and have potentials that are substantially the same as the first to third nodes, and the first node is electrically connected to a gate electrode of a light-emitting driving transistor. The potential of the first detection node reflects the potential of the gate electrode of the light-emitting driving transistor in the pixel driving circuit. Attenuation of brightness of the pixel driving circuit in the low frequency display process can be determined through the voltage detection circuit, thereby compensating for the light-emitting duration of the pixel driving circuit to achieve brightness compensation of the display panel.

Abstract: Provided are touch display panel and touch display device. The touch display panel includes a substrate including a display area and a non-display area, a light-emitting component located within the display area, an encapsulation layer covering the light-emitting component and at least part of the non-display area, a touch layer located at a side of the encapsulation layer away from the light-emitting component and including multiple touch electrodes, and multiple touch wires directly electrically connected to the touch electrodes and extending to the non-display area. The non-display area includes a first area and a second area, at least part of film layers within the first area are formed with a through hole and/or a groove, the touch wires extend along a surface of the first area and extend into the second area. The second area is located at a side of the first area away from the display area.

Abstract: Provided are a display panel and a display apparatus. A display layer includes pixel columns arranged along a first direction, and the pixel column includes subpixels arranged along a second direction. A first touch unit in a touch layer includes a bridge and first touch electrodes. An acute angle is formed between an extending direction of the bridge and the second direction. N subpixels are sequentially arranged along a preset direction, along which first and second edges of each subpixel are oppositely disposed. D2?L?D1. L denotes a length of each of the at least one bridge. An orthographic projection of the bridge on a plane of the substrate overlaps M subpixels. 0?M<(N?2).

Abstract: Provided are a display panel, a driving method and a display device. The display panel includes a substrate, a sub-pixel disposed on one side of the substrate and a switch device. A first terminal of the switch device is electrically connected to a first terminal of a driving device, and a second terminal of the switch device is connected to a biased compensation voltage terminal. An image update period includes a data writing stage and a holding stage, and the holding stage includes a first stage and a second stage. The driving device generates a driving current according to a data voltage transmitted by the data writing device in the data writing stage; and the driving device provides the driving current to a light emitting element in the second stage. The switch device provides a biased compensation voltage to the first terminal of the driving device in the first stage.

Abstract: Disclosed are an array substrate, a display panel, a display device and a manufacturing method of an array substrate. The array substrate includes: a driving array layer, a first insulating layer, an auxiliary trace layer, a second insulating layer and a first electrode layer, which are disposed in sequence. The driving array layer includes multiple thin film transistors. The first insulating layer includes first via holes, and the first electrode layer includes multiple first electrodes. The auxiliary trace layer includes multiple auxiliary traces which correspond to the multiple first electrodes one by one. An auxiliary trace is electrically connected to an electrode of a corresponding thin film transistor through a first via hole. The second insulating layer includes second via holes, and an auxiliary trace is electrically connected to a respective first electrode through a second via hole.

Abstract: The present disclosure provides a display panel and a display device. The display panel includes pixel circuits arranged in a matrix, and a blocking unit. Each pixel circuit includes: a driving transistor; a first switch transistor; a second switch transistor; and a third switch transistor. The blocking unit is configured to receive a fixed potential signal, and at least a partial area of the blocking unit is located between a first semiconductor connection portion and a second semiconductor connection portion, the first semiconductor connection portion is connected between a second electrode of the first switch transistor and a gate electrode of the driving transistor, and the second semiconductor connection portion is electrically connected between a first electrode of the second switch transistor and a data line.

Abstract: Provided are an organic light-emitting display panel and a display device, for improving the light extraction efficiency of OLED display panel. The organic light-emitting display panel includes an array substrate having a plurality of driving elements, and a plurality of organic light-emitting components. Each light-emitting component includes an anode, a cathode and an organic functional layer arranged between the anode and the cathode. The organic functional layer includes a hole transmission region, a light-emitting layer, and an electron transmission region stacked in a sequence from the anode to the cathode. With respect to visible light having a certain wavelength, a refractive index of the light-emitting layer is less than a refractive index of the electron transmission region, and the refractive index of the light-emitting layer is less than a refractive index of the hole transmission region. The above organic light-emitting display panel is applicable to the display device.

Abstract: A driving method of a display panel, a display panel and a display device are provided. The display panel includes M driving signal wires, M pixel-rows, a first driving circuit and a second driving circuit, the first clock signal wire pair for controlling operation of the first driving circuit, and the second clock signal wire pair for controlling operation of the second driving circuit. In the driving method, clock signals with a regular period are respectively provided to the first clock signal wire pair and the second clock signal wire pair, in order to divide a display process of the display panel into multiple display phases and control the display panel to execute a touch phase between two adjacent display phases, to realize time division execution of display and touch.

Abstract: Provided are a display panel and a display device. The display panel includes pixel unit groups arranged in a matrix, where a row direction of the matrix is a first direction; in a same pixel unit group, geometric centers of two first sub-pixels and geometric centers of two second sub-pixels form a first virtual parallelogram, where the first virtual parallelogram includes two first sides extending along the first direction and two second sides extending along a second direction, and the second direction intersects and is not perpendicular to the first direction; a geometric center of one third sub-pixel is located inside the first virtual parallelogram, the other three third sub-pixels are located outside the first virtual parallelogram, and geometric centers of the four third sub-pixels form a second virtual parallelogram, where the second virtual parallelogram includes two third sides extending along the first direction, and two fourth sides extending along the second direction.

Abstract: The present invention relates to a compound, a display panel and a display device. The compound has a structure represented by Formula I. The compound takes a spiro structure as a non-conjugated connecting unit, and a boron-containing group as an electron-accepting group. A light-emitting compound obtained by taking the group as a building block has a narrower half-peak width and higher color purity. The boron-containing spirt structure is connected with an electron-donating group to obtain a bipolar compound, and as a thermal activation delay fluorescence material, the bipolar compound can be used a light-emitting layer material, particularly a doped material, and can also be used as a fluorescent host material or a phosphorescent host material. The compound provided herein can achieve low drive voltages and high luminescence efficiencies when applied to organic electroluminescent devices.

Abstract: The present disclosure relates to an electron transport material having a structure represented by formula (I). The present disclosure enhances the glass transition temperature of the material by way of increasing the molecular weight thereof through modifying phenanthroline, without influencing the electron transport property of the material. A novel type of electron transport material having a glass transition temperature of more than 100° C. is designed by the present disclosure. The compound provided by the present disclosure is used as an electron transport material, i.e. as an electron transport layer; and the compound is doped with metals for use as an electron injection layer, thereby improving the efficiency of an OLED device and reducing the operation voltage.