Abstract: Provided is a display device in which warping of a display panel is sufficiently reduced or prevented. The display device includes: a display panel; and a polarizer, the polarizer being provided with at least one notch that extends inward from an outer edge of the polarizer.

Abstract: Provided is an optical element including, sequentially from a viewing surface side toward a back surface side: a first polarizer; a negative C plate; a phase difference layer; and a second polarizer. A transmission axis of the first polarizer is parallel to a transmission axis of the second polarizer. The phase difference layer contains anisotropic molecules. In the phase difference layer, a tilt angle of the anisotropic molecules on a viewing surface side in the phase difference layer and a tilt angle of the anisotropic molecules on a back surface side in the phase difference layer are the same as each other and greater than 0°. A slow axis of the phase difference layer, in a case of lying in a tilt direction of the anisotropic molecules, is parallel to or perpendicular to the transmission axis of the first polarizer.

Abstract: A display panel and a display device are provided. The display panel has a first area, a second area, and a third area arranged in sequence. The display panel includes a substrate, a plurality of first wirings, and a plurality of second wirings. The first wirings extend from the first area to the second area. The second wirings extend from the second area to the third area. The first wirings and the second wirings are arranged in different layers. The first wirings and the second wirings are connected in a one-to-one correspondence through via holes. The via holes are staggered in the second area.

Abstract: A detection method and a detection device for a display panel are provided. The detection method includes: performing a detection operation on pixel-driving circuits. The detection operation includes applying a gate voltage and a source voltage to a gate and a source of each driving transistor, to turn on a driving transistor; and sampling voltages at the sources. The detection operation is repeated n times, where in each repetition, the gate voltage is the sum of the gate voltage in the initial detection operation and an accumulative addition of a difference between the gate voltage and the sampled voltage in the previous detection operation, with n being a positive integer. Based on the sampled voltage of the driving transistor of each pixel-driving circuit obtained in the n-th repetition of the detection operation, it is determined whether the threshold voltage of the driving transistor in the pixel-driving circuit is abnormal.

Abstract: A liquid crystal display device includes a display area having a plurality of first areas and a plurality of second areas arranged in a matrix in a row direction and a column direction, a plurality of first TFTs each located in one of the plurality of first areas, a plurality of pixel electrodes each located in one of the plurality of first areas, a plurality of transparent electrodes each located in one of the plurality of second areas, a plurality of gate bus lines extending in the row direction and being connected to the plurality of first TFTs, a plurality of source bus lines extending in the column direction and being connected to the plurality of first TFTs, and a plurality of dummy source bus lines each extending in the column direction and being connected to one of the plurality of gate bus lines.

Abstract: A flexible display panel and an electronic device are provided. The electronic device includes a flexible display panel. The flexible display panel includes a main body of the flexible display panel, a first support part, a second support part, and a hinge. When a flexible part of the main body of the flexible display panel is in a bent state, the first support part and the second support part are both close to or far from a fixing bracket to make a size of the flexible part match a size of the hinge, and to avoid the hinge from squeezing or pulling the main body of the flexible display panel.

Abstract: The display device includes a control module, a display module, and a functional module. The control module includes a system board, an EDP connector, and a timing driving chip. The EDP connector is connected to the system board and the timing chip. The display module is connected to the timing driving chip. The functional module, connected to the timing driving chip, is configured to detect a touch action in response to the second type signal. The EDP connector is configured to convert a display signal provided by the system board into a first type signal. The timing driving chip is configured to transmit the first type signal to the display module. The EDP connector is configured to convert a touch signal provided by the system board into a second type signal, and the timing driving chip is configured to transmit the second type signal to the functional module.

Abstract: A display panel and a display device. The display panel includes a first film and an isolation structure. The first film is disposed at a side of a substrate and located in an isolation area, and has a first surface facing the substrate and a second surface facing away from the substrate. The isolation structure is located on the second surface in the isolation area and surrounds an opening area. The isolation structure has a bottom surface facing the second surface and a top surface facing away from the second surface. A distance between each point, at the second surface between the isolation structure and the active area, and a plane, within which the top surface is located, is equal to a height of the isolation structure.

Abstract: The present application discloses a gate drive circuit and a display panel. The gate drive circuit includes a plurality of cascaded gate drive units. Each of the gate drive units includes a stage transmission signal selection circuit, a pull-up control circuit, a pulse number reduction circuit, a first inversion circuit, a first output stage and a second output stage, and can output a second gate control signal with a greater number of pulses and a first gate control signal with a less number of pulses.

Abstract: A display panel and a display device are provided. The display panel includes a shielding layer, a pixel driving circuit layer located on the shielding layer and including a plurality of pixel driving circuits at least partially overlapping the shielding layer, and a power supply line electrically connected to a plurality of through holes of the shielding layer disposed in the pixel driving circuit layer. A converging line between adjacent through holes are arranged according to a shortest distance between the adjacent through holes.

Abstract: Provided are a display panel and a manufacturing method thereof, a display device and a spliced display device. The display panel includes: a color filter substrate (11), an array substrate (12) and a first conductive portion (13), where a display region (AA) and a peripheral region (NA) are formed on the display panel, and the peripheral region (NA) surrounds the display region (AA); the array substrate (12) includes pixel circuits and a second conductive portion (14), where the pixel circuits are located in the display region (AA), and the second conductive portion (14) is located in the peripheral region (NA); the second conductive portion (14) is connected with the pixel circuits; the first conductive portion (13) is located on a side surface of the array substrate (12) and a side surface of the color filter substrate (11), and the first conductive portion (13) is connected with the second conductive portion (14).

Abstract: A flexible organic light-emitting diode (OLED) substrate includes a flexible substrate, an inorganic barrier layer, an OLED device, and an adhesive-filling layer. The inorganic barrier layer is disposed on the flexible substrate. The OLED device is disposed on the inorganic barrier layer. The adhesive-filling layer covers the OLED device and the inorganic barrier layer. The flexible substrate further comprises a base substrate, a bending portion, and a covering portion. A thin film transistor layer is disposed on the base substrate, and the bending portion is connected to the base substrate and the covering portion. The covering portion covers the adhesive-filling layer and is stacked above the base substrate.

Abstract: A light-emitting circuit includes a first transistor, a second transistor, a light-emitting element, a first switching circuit, a second switching circuit, a first capacitor, a current source, and a third switching circuit. The first switching circuit, the second switching circuit, and the third switching circuit are synchronously turned on or synchronously turned off. This not only controls the current flowing through the first switching circuit through the first capacitor, the second switching circuit and the current source to the third power line, and but also controls the current flowing through the third switching circuit, the second transistor through the first capacitor, the second switching circuit and the current source flow to the third power line. Since the current passes through the first transistor and the second transistor, the current flowing through the light-emitting element is reduced, improving adverse effects of parasitic capacitance and wire resistance to the two transistors.

Abstract: There is provided a detection circuit, a display panel and a detection method. The detection circuit includes: a conversion circuit configured to acquire a photoelectric sensing signal in real time and convert the acquired photoelectric sensing signal into a luminance value; a storage circuit configured to store N luminance values from the conversion circuit on a first input first output basis; a discrimination circuit connected to the storage circuit and configured to determine whether at least two of the N luminance values meet a preset condition; and an output circuit connected to the discrimination circuit and the storage circuit, and configured to output a preset default luminance value in response to the at least two luminance values meeting the preset condition and output at least one of the N luminance values in response to the at least two luminance values not meeting the preset condition.

Abstract: A thermally activated delayed fluorescent material, preparing method thereof, and an organic electroluminescent device are disclosed. The organic electroluminescent device includes an anode layer, a cathode layer, and a light-emitting layer disposed between the anode layer and the cathode layer. The light-emitting layer includes a thermally activated delayed fluorescent material. A structural formula of the thermally activated delayed fluorescent material is shown in the following structural formula I: and R1-R6 are electron donor units.

Abstract: An array substrate includes a thin film transistor including a drain electrode, a first insulation film included in an upper layer than the drain electrode and including a contact hole overlapping the drain electrode, a pixel electrode included in an upper layer than the first insulation film and overlaps the drain electrode at least inside the contact hole and is connected to the drain electrode, a second insulation film included in an upper layer than the pixel electrode and overlaps the pixel electrode inside the contact hole and extends outside the contact hole, a conductive portion included in an upper layer than the second insulation film and overlaps the pixel electrode at least inside the contact hole, and an insulation portion included in an upper layer than the pixel electrode and in a lower layer than the conductive portion and overlaps the pixel electrode inside the contact hole.

Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes: a plurality of gate lines extending in a first direction, and a plurality of data lines extending in a second direction and crossing the gate lines to define a plurality of sub-pixels; a plurality of touch signal lines extending in the second direction and arranged in light shielding regions of the sub-pixels; a plurality of touch electrodes insulated from each other; and a plurality of metal pattern units corresponding to the sub-pixels respectively and arranged in the light shielding region of each sub-pixel. The metal pattern unit includes a first metal strip arranged on at least one side of the data line and extending in the second direction.

Abstract: Provided are a display panel and a display apparatus. The display panel comprises: a first substrate and a second substrate that are arranged opposite each other, wherein a display area and a frame area surrounding the display area are provided between the second substrate and the first substrate; a color resistance structure that is located in the frame area on the side of the second substrate facing the first substrate and surrounds the display area, wherein the color resistance structure comprises a first black matrix and a first color resistance portion arranged in a stacked manner; and a plurality of support bars that surround the display area, wherein each of the support bars fills a space between the color resistance structure and the first substrate.

Abstract: A display panel and a display device are provided. The display panel comprises a substrate, a source and drain metal layer, a first planarization layer, an auxiliary metal layer, a second planarization layer, an anode and a light emitting pixel. The anode comprises a first anode part corresponding to the light emitting pixel. By removing the auxiliary metal layer directly below the first anode part, the orthographic projection of the auxiliary metal layer on the substrate is outside the orthographic projection of the first anode part on the substrate, which helps to eliminate horizontal diffraction fringes.

Abstract: A compensation method for a display panel, which first selects a rectangular test area in a display area of the display panel, and then obtains a first average current value flowing through all sensing transistors and a second average current value flowing through all driving transistors in the rectangular test area, and then obtains a first current curve and a second current curve flowing through the driving transistors based on the first average current value and the second average current value under different driving voltages, and then determines a transmission loss coefficient of a data signal data according to the first current curve and the second current curve, and then compensates a driving voltage of each pixel circuit in the rectangular test area based on the transmission loss coefficient.