Abstract: The present invention relates to a hole transporting material having a structure of formula (I). The present invention provides a hole transporting material having at least one saturated six-membered carbon ring and benzene ring(s) having non-hydrogen substituent(s) in the formula and being capable of obtaining a suitable mobility rate without occurrence of crosstalk between pixels; and the hole transporting material provided by the present invention is capable of satisfying the requirements on MASK cleaning in terms of solubility (NMP solvent).

Abstract: Disclosed are a shift register element, a method for driving the same, and a display panel. The method includes: an output module including a first node and a third node, wherein the output module is configured to provide an output terminal with a signal of a first signal terminal or a second signal terminal according to voltage applied to the first node and the third node; a first driver configured to control the voltage of the first node, and voltage of a second node according to signals of the first input terminal and the second input terminal; a second driver configured to control voltage of the third node according to the voltage of the first node and the second node; and a feedback regulation module configured to control voltage of the first node according to the signal of the output terminal, and signals of a third input terminal and a fourth input terminal.

Abstract: The present disclosure discloses an OLED display panel, a method for driving the same and a display device. A high-potential voltage and a low-potential voltage are supplied to each shift register unit through a power supply, respectively. A voltage difference between a high-potential voltage and a low-potential voltage supplied to a first shift register unit by the power supply is a first voltage difference, and a voltage difference between a high-potential voltage and a low-potential voltage supplied to a second shift register unit by the power supply is a second voltage difference. The first voltage difference differs from the second voltage difference.

Abstract: In an organic light-emitting display panel, a display area and a peripheral area surrounding the display area are provided on the base substrate, and the display area includes a display sub-area and a fingerprint recognition sub-area. A plurality of pixel driving circuits and a plurality of organic light-emitting components are arranged in the display area, and the organic light-emitting components are electrically connected to the pixel driving circuits in one-to-one correspondence. The first emission driving circuit is arranged in the peripheral area and electrically connected to pixel driving circuits arranged in the display sub-area. The second emission driving circuit is arranged in the peripheral area and electrically connected to pixel driving circuits arranged in the fingerprint recognition sub-area.

Abstract: The present disclosure discloses an organic light emitting display panel, a driving method thereof, and an organic light emitting display apparatus. The organic light emitting display panel includes a plurality of pixel driving circuits, the pixel driving circuit comprising: a driving module including a driving transistor and a first capacitor; an initialization module for writing signals of a first initialization signal terminal and a second initialization signal terminal respectively to a gate and a first electrode of the driving transistor; a data writing module; a light emitting control module including a first transistor, a gate, a first electrode and a second electrode of the first transistor respectively connecting to a light emitting signal terminal, a second electrode plate of the first capacitor and the gate of the driving transistor; an organic light emitting diode, a cathode of the organic light emitting diode connecting to a second voltage terminal.

Abstract: A foldable display device includes a foldable display panel and its support plate. The support plate includes a folding area and a non-folding area, arranged in a X direction. The folding area includes a plurality of connecting units, the connecting units are arranged in the X direction and extend in the Y direction, which is perpendicular to the X direction. Adjacent connecting units are connected to each other. The width of each connecting unit in the Y direction is gradually decreased. The foldable display device further includes a buffer layer, disposed between the foldable display panel and the plurality of connecting units, and an anti-stretch film above the buffer layer.

Abstract: An organic light-emitting display panel, an organic light-emitting display apparatus and a driving method of the organic light-emitting display panel are provided. The organic light-emitting display panel includes a data line and a gate line intersecting the data line, a switching signal line, a pixel driving circuit including a first voltage terminal for supplying a high-level direct current voltage, a driving transistor, a light-emitting diode and a photosensitive switch electrically connected between the first voltage terminal and the light-emitting diode; a photosensitive element disposed at a non-display region of the organic light-emitting display panel; and a control circuit including a storage module and a control module. The photosensitive element is configured to sense environment brightness and is electrically connected with the control circuit.

Abstract: The disclosure discloses an organic light-emitting diode, a display panel and a display device. The organic light-emitting diode includes an anode, a cathode, at least two emitting layers arranged between the anode and the cathode, and a charge generation layer arranged between every two adjacent emitting layers, where the charge generation layer includes a first doping layer, an intermediate layer and a second doping layer which are arranged in sequence along the direction far away from the cathode, where the first doping layer includes a P-type semiconductor material, and the second doping layer includes a N-type semiconductor material; the P-type semiconductor material includes a P-type inorganic semiconductor material, a P-type metal dopant or a P-type organic semiconductor material, and the N-type semiconductor material includes a N-type inorganic semiconductor material, a N-type metal dopant or a N-type organic semiconductor material.

Abstract: A driving method for a pixel driving circuit comprising a driving transistor and a light-emitting element is provided. The driving method comprises: in response to a first scanning signal on a first scanning signal line, performing initialization of the pixel driving circuit; in response to a second scanning signal on a second scanning signal line and the first scanning signal on the first scanning signal line, compensating threshold voltage deviation of the driving transistor and providing a data signal voltage; in response to a first light-emitting signal on a first light-emitting signal line and a second light-emitting signal on a second light-emitting signal line, generating, by the driving transistor, driving current corresponding to the data signal voltage; and in response to the driving current, emitting light by the light-emitting element. At least one clock signal period is provided after initialization is completed and before the threshold voltage deviation is compensated.

Abstract: An organic light-emitting display panel, comprising: an array substrate comprising driving units; an organic light-emitting unit including an anode, a cathode, and an organic functional layer there between, the organic functional layer comprises an organic light-emitting layer, a first electron transmission layer between the cathode and the organic light-emitting layer, and a first hole transmission layer between the anode and the organic light-emitting layer; the first electron transmission layer comprises a first electron transmission matrix and a first dopant comprising an alkaline earth metal element or a rare earth metal element; and the organic light-emitting layer comprises a blue light-emitting layer comprising a blue host material, wherein an electron mobility and a hole mobility of the blue host material satisfy the following conditions: the electron mobility of the blue host material>(the hole mobility of the blue host material)×102 under an electric field of 0.2 MV/cm.

Abstract: The present disclosure provides a driving circuit, a display device and a driving method. The driving circuit includes a shift register including: a first input unit for controlling a first node based on signals at first and second clock signal terminals, an input signal terminal, a second node and an output signal terminal; a second input unit for providing a signal at a first constant potential terminal to the second node under control of the first clock signal terminal and providing the signal at the input signal terminal or the first clock signal terminal to the second node under control of the first node; and an output unit for providing a signal at the second clock signal terminal to the output signal terminal under control of the first node and providing a signal at a second constant potential terminal to the output signal terminal under control of the second node.

Abstract: A touch apparatus, an electronic device, and a method for preparing the touch apparatus are provided. The touch apparatus includes: a substrate and a cover plate arranged opposite to each other, a first touch sensor, and a second touch sensor. The substrate includes a display region including a first display region and a second display region arranged in a first direction. The first touch sensor is arranged on the side of the cover plate towards the substrate. The second touch sensor is arranged on the side of the substrate towards the cover plate. The second touch sensor is arranged in a different layer from the first touch sensor. The first touch sensor has a first projection on the substrate in a second direction, which covers the first display region. The second touch sensor has a second projection on the substrate in the second direction, which covers the second display region.

Abstract: An electronic device, a display panel, and a method for manufacturing the display panel are provided. The display panel includes a substrate, and data fan-out lines and a power supply fan-out line arranged in a step region of the substrate. An orthographic projection of an overlapping region between the power supply fan-out line and the encapsulating region on the substrate is non-overlapping with an orthographic projection of an overlapping region between each of the data fan-out lines and the encapsulating region on the substrate, thereby reducing the encapsulating failure of the sealant due to a common overlapping region of the data fan-out lines and the power supply fan-out line in the encapsulating region, and improving the reliability of the display panel.

Abstract: Provided are a display panel, a display device and a display method of the display panel. The display panel includes a pixel array, where the pixel array includes a plurality of pixel groups and each of the plurality of pixels group includes first-type pixel units and second-type pixel units; and a drive circuit configured to provide a drive signal for the pixel array. A display mode of the display panel includes a high-definition display mode in which within one-frame time, the first-type pixel units and the second-type pixel units collectively display a same to-be-displayed picture; a stereoscopic display mode in which the first-type pixel units display a user's left-eye picture within first time and the second-type pixel units display a user's right-eye picture within second time; and a power saving display mode in which the first-type pixel units display a picture and the second-type pixel units do not perform displaying.

Abstract: An organic light emitting display panel is provided. The organic light emitting display panel includes a first substrate; a second substrate disposed to the first substrate; and a force sensing layer. The force sensing layer includes a first electrode; a second electrode; and a first insulating layer positioned between the first electrode and the second electrode. The second electrode is multiplexed with at least one second conductive layer on the second substrate.

Abstract: A compound and an organic optoelectronic device are provided. The compound has the chemical formula (I): AB]n chemical formula (I). In the chemical formula (I): n denotes a positive integer and 1?n?5; a chemical group B has the following chemical formula (II): and a chemical group A has the following chemical formula (III) or (IV): In the chemical formula (II): R1 to R8 are independently selected from hydrogen, deuterium, C1 to C30 alkyl, C1 to C30 heteroatom-substituted alkyl, C6 to C30 aryl, and C2 to C30 heteroaryl. Y is selected from O, S, substituted or unsubstituted imino, substituted or unsubstituted methylene, and substituted or unsubstituted silylene, and a substituent is selected from hydrogen, deuterium, C1 to C30 alkyl, C1 to C30 heteroatom-substituted alkyl, C6 to C30 aryl, and C2 to C30 heteroaryl. Ar is selected from C6 to C30 aryl, and C2 to C30 heteroaryl.

Abstract: An organic light-emitting pixel driving circuit, a driving method thereof, and an organic light-emitting display panel are provided. The organic light-emitting pixel driving circuit includes a light-emitting element, a driving transistor, a first and a second initialization modules, a threshold detection module, a data write-in module, and a storage module. The driving transistor is configured to drive the light-emitting element. The first initialization module is configured to transmit a signal carried by a reference voltage line to the driving transistor. The second initialization module is configured to transmit a signal carried by an initialization signal line to the light-emitting element. The threshold detection module is configured to detect a threshold voltage of the driving transistor. The data write-in module is configured to transmit a signal carried by a data line to the pixel driving circuit. The storage module is configured to store a signal written in by the data line.

Abstract: The disclosure discloses a display panel and a display device. The display panel includes a display region, and a non-display region adjacent to the display region. The display region includes a first display region and a second display region, the first display region includes first pixels arranged in an array, the second display region includes second pixels arranged in an array, and the number of pixels in any one row of the first pixels is less than the number of columns of the second pixels. The display panel further includes a gate driver circuit arranged in the non-display region and first signal lines, each of the first signal lines is connected with the gate driver circuit, and at least one of the first signal lines provides a row of first pixels with a control signal; a resistance compensation unit is disposed on at least one of the first signal lines.

Abstract: A foldable display panel, a display device, an image compensation method and an image compensation device are provided. The foldable display panel includes a first display panel and a second display panel which are foldable toward each other along a joining edge, and each of sub-pixels on the two display panels has an optical information detecting function. In a case that the first display panel and the second display panel are in a folded state, each of the sub-pixels on one display panel is used for detecting optical information of a corresponding sub-pixel on the other display panel, to perform optical compensation on the sub-pixel. Since optical information detection and image compensation are performed in a case that the foldable display panel is in the folded state, the use of the foldable display panel is not affected.

Abstract: Organic light-emitting display panel and device are provided for improving performance of the organic light-emitting device. The organic functional layer comprises an organic light-emitting layer and a first electron transmission layer between the cathode and the organic light-emitting layer. The first electron transmission layer comprises a first doping agent, and the first doping agent contains alkaline earth metal elements or rare earth metal elements. A second electron transmission layer is located between the first electron transmission layer and the organic light-emitting layer, and the second electron transmission layer is undoped with the first doping agent. A lowest unoccupied molecular orbital LUMO1 in the first electron transmission layer and a lowest unoccupied molecular orbital LUMO2 in the second electron transmission layer satisfy: |LUMO1?LUMO2|<0.18 eV.