Abstract: A pixel circuit, a display panel, and a display device. The pixel circuit includes a light-emitting element, a pre-charging circuit, a first energy storage circuit, a data writing circuit and a driving circuit; the pre-charging circuit writes a data voltage into a pre-charging node under the control of a pre-charging scanning signal; the first energy storage circuit is electrically connected to the pre-charging node for storing electric energy; the data writing circuit controls the connection or disconnection between the pre-charging node and the first terminal of the driving circuit under the control of the first scanning signal; the first terminal of the driving circuit is electrically connected to the light-emitting element for driving the light-emitting element. The present disclosure enables the threshold voltage compensation to be completed during the data writing phase without the line scan time limitation during high frequency display.

Abstract: Provided are a secondary cured UV pressure-sensitive adhesive, and preparation methods for same and an explosion-proof film. The secondary cured UV pressure-sensitive adhesive is composed of the following materials, in percentages by mass: 31-35% of a hydroxyl-containing polyacrylate prepolymer, 6-9% of pentaerythritol triacrylate, 3-5% of 2-hydroxyl-3-phenoxy propane acrylate, 2-3% of an isocyanate curing agent, 2-3% of photo initiator 184, and 50% of ethyl acetate. The secondary cured UV pressure-sensitive adhesive is prepared by carrying out a thermal curing cross-linking reaction of a hydroxyl-containing polyacrylate prepolymer, pentaerythritol triacrylate and 2-hydroxyl-3-phenoxy propane acrylate by using an isocyanate curing agent, and initiating a free radical polymerization of pentaerythritol triacrylate and 2-hydroxyl-3-phenoxy propane acrylate by using photo initiator 184.

Abstract: A display panel includes a substrate, an insulating layer, a metal layer, a first transparent conductive layer and a second transparent conductive layer. The insulating layer has at least one via hole in each of a second sub-pixel region and a fourth sub-pixel region. The first transparent conductive layer includes a plurality of first transparent conductive lines. The second transparent conductive layer includes a Plurality of second transparent conductive lines. A total overlapping area between an orthographic projection of a first transparent conductive line on the substrate and orthogonal projections, on the substrate, of all via holes, in the second sub-pixel region, of the insulating layer is less than a total overlapping area between an orthographic projection of a second transparent conductive line on the substrate and orthogonal projections, on the substrate, of all via holes, in the fourth sub-pixel region, of the insulating layer.

Abstract: A light-emitting substrate includes a base substrate, an auxiliary electrode line, at least one light-emitting device, and at least one light-detecting device(s). The auxiliary electrode line is disposed on the base substrate. The at least one light-emitting device is disposed above the base substrate, and a light-emitting device includes a first electrode, a light-emitting functional layer and a second electrode that are sequentially stacked in a direction moving away from the base substrate. The at least one light-detecting device is disposed above the base substrate, and a light-detecting device includes a third electrode and a fourth electrode. The auxiliary electrode line is coupled to the fourth electrode and the second electrode.

Abstract: A light-emitting substrate includes a base substrate, light-emitting device(s) and a first insulating layer. A light-emitting device includes a first electrode, a light-emitting functional layer and a second electrode that are sequentially stacked. The first electrode includes a second sub-electrode and a first sub-electrode. The second sub-electrode includes a first portion covered by the first sub-electrode and a second portion except for the first portion. The first insulating layer has a first opening and a second opening. A portion of a side face of the first sub-electrode located on the second sub-electrode is covered by the first insulating layer. A portion of the light-emitting functional layer located in the first opening is in contact with the first sub-electrode, and a portion of the light-emitting functional layer located in the second opening is in contact with the second portion in the second sub-electrode.

Abstract: A pixel driving circuit, a method for driving the same, and a display panel are provided. The pixel driving circuit includes a driving circuit (1) and an initialization circuit (2). The driving circuit (1) is connected to a first node (N1), a second node (N2), and a third node (N3). The initialization circuit (2) is connected to the first node (N1), the initialization circuit (2) is further connected to the second node (N2) and/or the third node (N3), and the initialization circuit (2) is configured to provide a first initialization voltage to the first node (N1), provide a first reset voltage to the second node (N2) and/or provide a second reset voltage to the third node (N3), so as to control a driving transistor (T3) in the driving circuit (1) to be turned on.

Abstract: The titanium-containing oxide slag, low-purity silicon and slagging fluxes are subject to reduction smelting together, and a bulk Si—Ti intermediate alloy is obtained by slag-metal separation; the obtained bulk Si—Ti intermediate alloy is crushed into Si—Ti intermediate alloy particles; and the obtained Si—Ti intermediate alloy particles are used as an anode, metallic molybdenum or metallic nickel as a cathode, metallic titanium as a reference electrode, and NaCl—KCl—NaF together with small amounts of Na3TiF6 or K3TiF6 as a molten salt, to carry out the electrolysis under a high-purity argon atmosphere at a temperature of 973 K. Ti in the Si—Ti intermediate alloy particles dissolved at the anode and deposited at the cathode, while Si in the Si—Ti intermediate alloy particles fell off from the anode as metallic silicon powder.

Abstract: A pixel circuit and a driving method therefor and a display panel are provided. The pixel circuit includes a driving circuit, a data writing circuit, a storage circuit, and a first reset circuit; the driving circuit includes a control terminal, a first terminal, and a second terminal, and is configured to control a driving current flowing through the first terminal and the second terminal for driving a light-emitting element to emit light; the data write circuit is configured to write a data signal into the control terminal of the driving circuit; the storage circuit is configured to store the data signal; the first reset circuit is configured to apply a first initialization voltage to the control terminal of the driving circuit; the driving circuit and the data write circuit each include an N-type thin film transistor; and the first reset circuit includes an N-type oxide thin film transistor.

Abstract: An organic light emitting diode display substrate includes a light emitting unit layer, a first band gap layer and a color conversion layer. The first band gap layer and the color conversion layer are on a light exit path of the light emitting unit layer. The light emitting unit layer includes first, second and third light emitting units periodically arranged on a driving substrate and emitting light of a first color. The color conversion layer converts a part of the light of the first color into light of a second color and a third color. The first band gap layer is between the light emitting unit layer and the color conversion layer. The first band gap layer transmits the light of the first color in a light exit direction, and reflects the light of the second color and the light of the third color.

Abstract: A battery includes a first base separator and a second base separator that are located on two sides of an electrode plate and that are adjacent to each other, and a first-type separator coating layer that is adhered to an edge region of the first base separator and an edge region of the second base separator. Another battery includes a second-type separator coating layer adhered to a middle region of a base separator, and a third-type separator coating layer adhered to an edge region of a first base separator, where the second-type separator coating layer includes an adhesive polymer with a first mass content, the third-type separator coating layer includes an adhesive polymer with a second mass content, and the second mass content is greater than the first mass content.

Abstract: The present application relates to methods of preparing a coated substrate and coated substrates which can be optionally prepared from such methods. The methods comprise depositing on the substrate a single abrasion resistant layer by magnetron sputtering or depositing on the substrate a dual layer comprising a first abrasion resistant layer deposited by magnetron sputtering and a second abrasion resistant layer deposited by plasma-enhanced chemical vapor deposition.

Abstract: Embodiments of this application provide a battery separator, including a polyolefin-based porous separator, where the polyolefin-based porous separator includes polyethylene resin, an elongation rate of the polyolefin-based porous separator in an MD direction is greater than 120%, an elongation rate in a TD direction is greater than 120%, and for the polyolefin-based porous separator, crystallinity at a first-time temperature rise of polyethylene that is measured by using a differential scanning calorimeter is less than 65%, crystallinity at a second-time temperature rise is less than 55%, and a difference between the crystallinity at the first-time temperature rise and the crystallinity at the second-time temperature rise is less than 12%. The battery separator features a high elongation rate and a low temperature of closing a pore.

Abstract: An organic light emitting diode display substrate includes a light emitting unit layer, a first band gap layer and a color conversion layer. The first band gap layer and the color conversion layer are on a light exit path of the light emitting unit layer. The light emitting unit layer includes first, second and third light emitting units periodically arranged on a driving substrate and emitting light of a first color. The color conversion layer converts a part of the light of the first color into light of a second color and a third color. The first band gap layer is between the light emitting unit layer and the color conversion layer. The first band gap layer transmits the light of the first color in a light exit direction, and reflects the light of the second color and the light of the third color.

Abstract: A pixel definition layer for defining a light emitting device, an array substrate and a display panel are provided. The pixel definition layer includes a plurality of recessed parts, each of the plurality of recessed parts includes a bottom and an entire sidewall extending upwards from the bottom; and at least one of the plurality of recessed parts has the entire sidewall provided with a position-limiting structure.

Abstract: An organic light emitting diode display substrate includes a light emitting unit layer, a first band gap layer and a color conversion layer. The first band gap layer and the color conversion layer are on a light exit path of the light emitting unit layer. The light emitting unit layer includes first, second and third light emitting units periodically arranged on a driving substrate and emitting light of a first color. The color conversion layer converts a part of the light of the first color into light of a second color and a third color. The first band gap layer is between the light emitting unit layer and the color conversion layer. The first band gap layer transmits the light of the first color in a light exit direction, and reflects the light of the second color and the light of the third color.

Abstract: The present disclosure provides a display device, including: a display panel, a main circuit board, and a plurality of chip-on-films bonded between the display panel and the main circuit board. The wiring area is provided with a plurality of first binding regions; the plurality of first binding regions are distributed along the wiring area. The main circuit board is provided with a plurality of second binding regions which are corresponding to the first binding regions in a one-to-one manner. A shape of the main circuit board is the same as a shape of the wiring area. A first end of each chip-on-film is bonded to one corresponding first binding region; a second end of each chip-on-film is bonded to one corresponding second binding region.

Abstract: The present disclosure provides a display device, including: a display panel, a main circuit board, and a plurality of chip-on-films bonded between the display panel and the main circuit board. The wiring area is provided with a plurality of first binding regions; the plurality of first binding regions are distributed along the wiring area. The main circuit board is provided with a plurality of second binding regions which are corresponding to the first binding regions in a one-to-one manner. A shape of the main circuit board is the same as a shape of the wiring area. A first end of each chip-on-film is bonded to one corresponding first binding region; a second end of each chip-on-film is bonded to one corresponding second binding region.

Abstract: A driving compensation method for a pixel circuit includes: in a compensation phase of the pixel circuit, providing a preset signal to the control terminal of the driving transistor to write the preset signal to the control terminal of the driving transistor, to write internal loss voltage of the driving transistor to the first terminal of the driving transistor; wherein the compensation phase includes a first external compensation phase and a second external compensation phase; in the first external compensation phase, the preset signal is a sum of a reference signal and a threshold voltage of the driving transistor; in the second external compensation phase, the preset signal is the sum of the data signal and the threshold voltage of the driving transistor.

Abstract: A pixel unit, a display panel, a display device and a method of manufacturing a pixel unit. The pixel unit includes a first sub-pixel unit and a second sub-pixel unit, each sub-pixel unit includes a first electrode, an emission layer, and a second electrode stacked on a substrate. An emission lifespan of the emission layer of the first sub-pixel unit is smaller than that of the emission layer of the second sub-pixel unit. An area of an orthographic projection of the emission layer of the first sub-pixel unit on the substrate is equal to that of the emission layer of the second sub-pixel unit on the substrate. An area of an orthographic projection of the first electrode of the first sub-pixel unit on the substrate is greater than an area of an orthographic projection of the first electrode of the second sub-pixel unit on the substrate.

Abstract: The present disclosure discloses a sampling method, a sampling control method, a sampling device, a sampling control device, a sampling control system, and a display device. The present disclosure provides a sampling method for sampling pixel units disposed on a display substrate, the method including: the controller controlling a plurality of sampling modules to be simultaneously turned on, so that a plurality of sampling modules controlled by the controller are capable of receiving luminance information of the pixel units obtained through sampling of the sampling channel; the controller sequentially controlling a group of sampling channels to be simultaneously turned on, so that the group of sampling channels simultaneously sample the luminance information, and transmit the sampled luminance information to respective sampling modules connected to the group of sampling channels through the output terminals of the group of sampling channels.