Abstract: A pixel circuit and a driving method therefor, and a display substrate and a display device are disclosed. The pixel circuit includes a compensation circuit. The compensation circuit may output an initial power supply signal to a first node, and a driving circuit may drive a light-emitting element to emit light according to a potential of the first node and a second power supply signal provided by a second power supply end. And, each driving circuit which the display panel includes may start to work from the same bias situation and drive the corresponding light-emitting element to emit light.

Abstract: A mask frame assembly, including: a hollow frame, which is provided with a hollow area; and a first howling stick, disposed across the hollow area of the hollow frame in a first direction; wherein the mask frame assembly is configured to support a fine metal mask plate which includes a mask pattern area and an invalid mask area surrounding the mask pattern area; in a state of the fine metal mask plate being supported by the mask frame assembly, opposite ends of the fine metal mask plate are fixed on the hollow frame in a second direction; the mask pattern area of the fine metal mask plate is disposed in the hollow area of the hollow frame; and a projection of the first howling stick on the fine metal mask plate is in the invalid mask area. An evaporation device is also disclosed.

Abstract: A loading jig and an evaporator are provided. The loading jig includes a body and at least one elastic membrane. The body has a plate-like structure and is sandwiched between the bearing platform and the plurality of clamping blocks. Said at least one elastic membrane is respectively disposed between at least one clamping block and a bottom of the body. The elastic membrane is externally connected to a signal converter. The pressure applied by the clamping block may be measured through the elastic membrane when the clamping block is pressed against the bottom of the body, and then the measured pressure signal is transmitted to the signal converter to be converted into a pressure value.

Abstract: Disclosed are a display substrate, a display device, a manufacturing method and a repairing method. A capacitor structure in the display substrate includes a first electrode and a second electrode. The first electrode includes a first main body portion extending in a first direction, first branch portions extending in a second direction, and a first connection portion connecting the first branch portions to the first main body portion. The second electrode includes a second main body portion extending in the first direction, second branch portions extending in the second direction, and a second connection portion connecting the second branch portions to the second main body portion. One side of the first electrode having the first branch portions faces one side of the second electrode having the second branch portions, and each first branch portion and a corresponding second branch portion form a capacitor.

Abstract: The embodiments of the present disclosure provide an array substrate and a method for manufacturing the same, and a display device. The array substrate includes a substrate, wherein the substrate has a display region and a peripheral region surrounding the display region, the display region has a plurality of pixels arranged in an array, and each of the plurality of pixels includes a light transmission region and a light shielding region, and a light shielding block covering at least a part of the light transmission region of at least one pixel close to the peripheral region of the plurality of pixels.

Abstract: A shift register unit circuit, a driving method thereof, a scanning drive circuit and a display panel are provided. The shift register unit circuit includes an input sub-circuit configured to set a level at a first node to be an effective level when an input terminal is at an effective level; at least two transmission sub-circuits configured to set a level at a coupled output control node to be an effective level when the first node is at the effective level; and at least two output sub-circuits, each of which is configured to conduct a coupled first clock signal terminal to a coupled output terminal when the coupled output control node is at an effective level.

Abstract: A display substrate, a manufacturing method thereof, and a display device are disclosed. The display substrate includes: a base substrate, the base substrate includes a bonding region; and a connection terminal located in the bonding region of the base substrate, the connection terminal includes a first conductive layer and a second conductive layer being in contact with each other, the first conductive layer and the second conductive layer are overlapped with each other in a direction perpendicular to the base substrate.

Abstract: The present disclosure provides a display panel and a display device. The display panel includes a display region, a frame region surrounding the display region, a color filter substrate, and an array substrate opposite to the color filter substrate. A black matrix is disposed on a side of the color filter substrate facing the array substrate. The array substrate is provided with a grounding portion located in the frame region. The grounding portion is electrically connected to a portion of the black matrix located in the frame region through a conductive portion. The portion of the black matrix located in the frame region is provided with a first through groove surrounding the display region. The first through groove penetrates the black matrix along a thickness direction of the black matrix. A portion of the first through groove is located between the conductive portion and the display region.

Abstract: A backlight control device, a backlight control method, and a display device that avoids image shake are described. The backlight control device comprises: a driving detection component that detects a scan state of a gate driving circuit of a display module and outputs a detection signal, and a backlight control component that controls intermittent closing of a backlight between frames based to the detection signal.

Abstract: A mask plate and a method for manufacturing the same are provided. The mask plate comprises a first sub-mask plate and a second sub-mask plate stacked with each other, the first sub-mask plate is provided with at least one first opening therein, a size and a shape of the first opening correspond to those of a target display panel; the second sub-mask plate is provided with a second opening region, which covers at least one of the at least one first opening and includes a plurality of second openings. Since it is only required to ensure that the sizes and shapes of the first openings are the same as those of the target display panels respectively, and it is unnecessary to further manufacture openings for forming pixel patterns, comparing with the existing mask plate, the manufacturing process of the present disclosure is more simple and the manufacturing cost is lower.

Abstract: A negative thermal expansion material and a preparation method thereof, and a negative thermal expansion film and a preparation method thereof are provided. The negative thermal expansion material includes Eu0.85Cu0.15MnO3-?, wherein 0???2.

Abstract: The present disclosure provides a display panel including at least one pixel region located in a display area, each pixel region includes: at least one first pixel including at least one display light-emitting sub-pixel and at least one near-infrared light-emitting sub-pixel, wherein the near-infrared light-emitting sub-pixel is configured to emit near-infrared light; and at least one second pixel including at least one display light-emitting sub-pixel and at least one near-infrared receiving sub-pixel, wherein the near-infrared receiving sub-pixel is configured to receive near-infrared light reflected from an external object and generate a measurement signal responsive to the external object. The present disclosure also provides a display device including the display panel, and a method for determining the position of an external object by the display device.

Abstract: A pixel circuit, which may include a first pixel unit having a first display driving circuit (12), a first pixel electrode (P1), and a first control circuit (11), and a second pixel unit having a second display driving circuit (22), a second pixel electrode (P2), and a second control circuit (21). The first control circuit (11) may be configured to adjust and latch a voltage of a first positive phase node (Q1) and the first display driving circuit (12). The first display driving circuit (12) may be configured to provide a first display driving voltage to the first pixel electrode (P1). The second control circuit (21) may be configured to adjust and latch a voltage of a second positive phase node (Q2) and the second display driving circuit (22). The second display driving circuit (22) may be configured to provide a second display driving voltage to the second pixel electrode (P2).

Abstract: The disclosure relates to a display panel and a display apparatus. The display panel comprises: a substrate comprising a substrate display region corresponding to a display panel display region and a substrate non-display region corresponding to a display panel non-display region; a non-display region circuit located at the substrate non-display region; and a packaging layer located on the non-display region circuit and having at least a partial overlap area with the non-display region circuit, wherein the non-display region circuit comprises: a first conductive pattern; at least one buffer layer located at a side of the first conductive pattern close to the substrate; at least one gate insulating layer configured to electrically insulate the first conductive pattern and other conductive patterns; and at least one interlayer insulating layer located at a side of the first conductive pattern away from the substrate.

Abstract: The present disclosure relates to the field of touch display technologies, and provides an array substrate, a manufacturing method thereof, a touch display panel and a touch display device. The array substrate includes a base substrate, and a plurality of thin film transistors, an insulating planarization layer, a plurality of pixel electrodes, a plurality of touch electrodes and a plurality of common electrodes formed sequentially on the base substrate. The insulating planarization layer has a plurality of vias exposing a drain of each thin film transistor respectively. Each pixel electrode is connected to a drain of a corresponding thin film transistor through a via in the insulating planarization layer, and each common electrode is connected to a corresponding touch electrode.

Abstract: A pixel circuit, a pixel driving method and a display device are provided. The pixel circuit includes a light emitting element, a driving circuit, an energy storage circuit, an initialization circuit, a compensation control circuit, a light emitting control circuit and a written-in control circuit. The initialization circuit writes an initialization voltage into a control end of the driving circuit under the control of a first gate driving signal so as to conduct the connection between a first end of the driving circuit and a second end of the driving circuit; the compensation control circuit is configured to conduct the connection between the control end of the driving circuit and the second end of the driving circuit under the control of the second gate driving signal.

Abstract: An optical compensation method for a display panel, an optical compensation device for a display panel, a display method for a display panel, a display device, and a storage medium are disclosed. The optical compensation method for a display panel includes: acquiring a pre-stored compensation parameter of the display panel; acquiring a current brightness level of the display panel; adjusting the pre-stored compensation parameter based on the current brightness level to obtain an adjusted compensation parameter; and compensating a display data signal of the display panel based on the adjusted compensation parameter.

Abstract: A thin film transistor, method of manufacturing the thin film transistor, an array substrate comprising the thin film transistor, and a display device comprising the array substrate. The thin film transistor comprises a substrate; a first electrode on the substrate; an active layer on a side of the first electrode away from the substrate; and a second electrode on a side of the active layer away from the first electrode. The first electrode and the second electrode are connected to the active layer, respectively. are also disclosed.

Abstract: The present disclosure provides a flexible transparent electrode, a flexible display panel, related manufacture methods, and a display device. The flexible transparent electrode includes a graphene body and metal nanowires. At least part of the metal nanowires is inserted into the graphene body to form an interpenetrating body structure.

Abstract: A touch substrate and a manufacturing method thereof, and an in-cell touch panel. The touch substrate includes: a base substrate, a first insulation layer, a transmission line and a common electrode. The first insulation layer is on the base substrate, and a groove extending in a first direction is in the first insulation layer; the transmission line is in the groove and is configured to transmit an electrical signal; the common electrode overlaps with the transmission line and is electrically connected with the transmission line.