Abstract: The display substrate includes pixel regions (PD) and blank regions (PB), the pixel region (PD) includes first power supply lines (70) and a second power supply line (80), the first power supply lines (70) are configured to continuously provide high-level signals to a pixel driving circuit, and the second power supply line (80) is configured to continuously provide low-level signals to a patterned cathode (403), each blank region (PB) includes high-voltage power supply connecting lines connected to the first power supply lines (70) in the adjacent pixel regions (PD) and low-voltage power supply connecting lines connected to the second power supply lines (80) in the adjacent pixel regions (PD), the first power supply lines (70) and the high-voltage power supply connecting lines form a high-voltage power supply wiring with a mesh connection structure.

Abstract: A display substrate includes a first wiring region (110) and a second wiring region (120), wherein the first wiring region (110) is provided with at least one first wiring (71) and a light emitting device, the second wiring region (120) is provided with at least one second wiring (72) and a light emitting device, and the light emitting device at least includes an anode (90). The first wiring region (110) further includes at least one first compensation line (81), an orthographic projection of the at least one anode (90) in the plane of the display substrate at least partially overlaps with an orthographic projection of the first compensation line (81) in the plane of the display substrate.

Abstract: A display panel includes a substrate, and a plurality of first pixel circuits, a plurality of first light-emitting devices and a plurality of first light-shielding portions that are located in a functional device setting region. The plurality of first light-emitting devices are disposed on a side of the plurality of first pixel circuits away from the substrate. A first light-emitting device includes a first electrode electrically connected to a first pixel circuit. The plurality of first light-shielding portions are arranged at intervals on a side of the plurality of first light-emitting devices away from the substrate. Each first light-shielding portion is provided with a first opening therein, and each first opening corresponds to a single first light-emitting device. An orthographic projection of a first portion of the first pixel circuit on the substrate is located within an orthographic projection of a first light-shielding portion on the substrate.

Abstract: Provided is a display panel. The display panel includes: a cutout region, a display region disposed on a periphery of the cutout region, and a winding region disposed between the cutout region and the display region. The display panel further includes: a substrate; a plurality of light-emitting devices disposed on the substrate, and a package layer and a light-shielding layer that are successively stacked and disposed on a side, distal from the substrate, of the plurality of light-emitting devices. The plurality of light-emitting devices are within the display region. The package layer is closer to the substrate relative to the light-shielding layer, and at least a portion of the light-shielding layer is within the winding region.

Abstract: Disclosed is a display substrate, comprising a first display area. The first display area comprises a plurality of display island areas spaced apart from each other, and light-transmissive areas located between adjacent display island areas. Each display island area comprises a plurality of first pixel circuits and a plurality of first light-emitting elements which are provided on a base. At least one first pixel circuit is electrically connected to at least one first light-emitting element, and is configured to drive the at least one first light-emitting element to emit light. The first pixel circuits in the display island areas which are adjacent in a first direction are electrically connected by means of first signal wires, and the first pixel circuits in the display island areas which are adjacent in a second direction are electrically connected by means of second signal wires. The first direction intersects with the second direction.

Abstract: A display panel and an electronic device. The display panel includes a holing area and a display area surrounding the holing area, and the display panel is provided with row lines extending in a first direction, and column lines extending in a second direction; some row lines are separated by the holing area into mutually corresponding first row line sections and second row line sections; some column lines are separated by the holing area into mutually corresponding first column line sections and second column line sections; at least some of the first column line sections are electrically connected to the corresponding second column line sections by means of corresponding transfer lines located in the display area; and/or at least some of the first row line sections are electrically connected to the corresponding second row line sections by means of corresponding transfer lines located in the display area.

Abstract: A display panel includes a substrate and first pixel units. A first pixel unit includes sub-pixels including a first sub-pixel, a second sub-pixel and a third sub-pixel; a sub-pixel includes a pixel driving circuit and a light-emitting device; the light-emitting device is located on a side of the pixel driving circuit away from the substrate and is electrically connected to the pixel driving circuit. A pixel driving circuit includes a first reset transistor. An area of a light-emitting device of the first sub-pixel is greater than that of a light-emitting device of the second sub-pixel and greater than that of a light-emitting device of the third sub-pixel. An orthographic projection of a first reset transistor of the second sub-pixel and/or a first reset transistor of the third sub-pixel on the substrate is located within an orthographic projection of the light-emitting device of the first sub-pixel on the substrate.

Abstract: A display panel includes a substrate and a plurality of first sub-pixels and a plurality of light-shielding portions which are both located in a functional device configuration region. At least some first sub-pixels each include a first pixel circuit and a first light-emitting device. The plurality of first light-shielding portions are arranged on a side of a plurality of first light-emitting devices away from the substrate at intervals. An orthographic projection of a first portion, whose orthographic projection is located outside an orthographic projection of a first electrode of the first light-emitting device on the substrate, of the first pixel circuit on the substrate is located within an orthographic projection of a first light-shielding portion of the plurality of light-shielding portions on the substrate.

Abstract: A display substrate is provided, including: a base substrate and a plurality of sub-pixels disposed on the base substrate. Each sub-pixel includes a pixel driving circuit, and the pixel driving circuit includes a writing transistor, a compensation transistor, a first reset transistor, and a storage capacitor. The display substrate includes a semiconductor layer, a first conductive layer and a second conductive layer disposed in sequence on the base substrate. Gates of the writing transistor, the compensation transistor and the first reset transistor are in the first conductive layer and are implemented as an integral structure. Active layers of the writing transistor, the compensation transistor and the first reset transistor are in the semiconductor layer. A first storage capacitor electrode of the storage capacitor is in the first conductive layer, and a second storage capacitor electrode of the storage capacitor is in the second conductive layer.

Abstract: A display substrate includes a substrate, scan signal lines, a plurality of first pixel circuits and a plurality of first light-emitting devices. The plurality of first pixel circuits are disposed on the substrate, and are located in a functional device setting region. At least one first pixel circuit includes a first transistor. At least one first light-emitting device includes a first electrode. The at least one first light-emitting device includes at least one first color light-emitting device, and the at least one first pixel circuit includes at least one first color pixel circuit, and a first color pixel circuit is electrically connected to a first color light-emitting device. An orthographic projection of a channel region of a first transistor in the first color pixel circuit on the substrate is at least partially overlapped with an orthographic projection of a first electrode of the first color light-emitting device on the substrate.

Abstract: A titanium alloy blade tip with a wear-resistant protective coating and a preparation method thereof are provided. The method includes: (1) spraying MCrAlY alloy powder on a surface of a titanium alloy blade tip by high velocity oxygen fuel (HVOF) spraying at a spraying distance of 300-400 mm to obtain the titanium alloy blade tip with a MCrAlY layer on the surface; where M is one of Ni and NiCo; (2) pre-plating Ni at a current density of 4-10 A/dm2; (3) placing the pre-plated titanium alloy blade tip in a Watt solution, covering a surface of the pre-plated titanium alloy blade tip obtained in the step (2) with abrasive particles, and then performing composite electroplating at a current density of 0.5-2 A/dm2. In the method, the wear-resistant protective coating with the high adhesion strength is prepared on the titanium alloy blade tip, and the wear-resistant protective coating has good wear resistance.

Abstract: A display substrate and a display apparatus are provided. The display substrate has a plurality of sub-pixels and includes a base substrate, a driving circuit layer on the base substrate, a light-emitting device layer on a side of the driving circuit layer away from the base substrate, and a black matrix layer on a side of the light-emitting device layer away from the base substrate, the black matrix layer comprises a plurality of first light-transmitting openings respectively exposing light-emitting devices of the plurality of sub-pixels, and a plurality of second light-transmitting openings respectively between the plurality of first light-transmitting openings; the driving circuit layer comprises a plurality of light-transmitting portions, and each of the plurality of second light-transmitting openings is provided corresponding to at least one of the plurality of light-transmitting portions for transmitting light in a predetermined angle range with the surface of the display substrate.

Abstract: A display substrate and a display device are provided. The display substrate has a plurality of sub-pixels arranged in a plurality of rows and columns, and includes a base substrate, a driving circuit layer, a light-emitting device layer, and a black matrix layer, the driving circuit layer includes a first signal line and a second signal line arranged parallel to each other and arranged periodically, the black matrix layer includes a plurality of first light-transmitting openings and a plurality of second light-transmitting openings, orthographic projections of one row of second light-transmitting openings on the base substrate are between an orthographic projection of one first signal line shared by pixel driving circuits of at least one row of first sub-pixels on the base substrate and an orthographic projection of one second signal line shared by pixel driving circuits of at least one row of second sub-pixels on the base substrate.

Abstract: A display substrate includes a normal display area and a transmissive display area provided within the normal display area, the normal display area being configured to perform image display, the transmissive display area including at least one pixel island, the pixel island being configured to perform image display and transmit light; the pixel island of the transmissive display area including an initial transmission line for transmitting an initial signal and at least one pixel drive circuit connected to the initial transmission line, the initial transmission line including a first transmission line with a main part extending in a first direction and a second transmission line with a main part extending in a second direction, the first transmission line and the second transmission line being connected to form a grid structure.

Abstract: A display substrate includes a first wiring region (110) and a second wiring region (120), wherein the first wiring region (110) is provided with at least one first wiring (71) and a light emitting device, the second wiring region (120) is provided with at least one second wiring (72) and a light emitting device, and the light emitting device at least includes an anode (90). The first wiring region (110) further includes at least one first compensation line (81), an orthographic projection of the at least one anode (90) in the plane of the display substrate at least partially overlaps with an orthographic projection of the first compensation line (81) in the plane of the display substrate.

Abstract: A ferrule includes a ferrule matrix, an optical fiber, and a dielectric reflective film. The optical fiber is disposed in an accommodating through hole of the ferrule matrix, and the dielectric reflective film covers an optical transmission surface of the optical fiber and a surface that is of the ferrule matrix and that faces a matching ferrule. The dielectric reflective film has a through hole, such that the dielectric reflective film does not shield a main optical path area of the optical transmission surface of the optical fiber. A reflective band of the dielectric reflective film includes at least a part of a communication band of the optical fiber. In this way, when light from the matching ferrule is transmitted to the ferrule matrix and the optical fiber, the dielectric reflective film reflects the light.

Abstract: A display panel includes a base substrate including a display area and a peripheral area surrounding the display area, the display area comprises a first display area and a second display area, the first display area at least partially surrounds the second display area; a plurality of first/second pixel circuits located in the first/second display area; a plurality of first initialization signal lines, located at least in the first display area and extending in a first direction, being electrically connected to the first pixel circuit and configured to transmit a first initial voltage signal to the first pixel circuit; a plurality of second initialization signal lines, located at least in the first display area and the second display area, and electrically connected to the second pixel circuit, configured to transmit a second initial voltage signal to the second pixel circuit; the first and second initial voltage signals being different.

Abstract: A display panel and a display device. A display area of the display panel comprises a light-transmitting display area (b) and a non-light-transmitting display area (a), the density of pixel circuits of the light-transmitting display area (b) being lower than that of the non-light-transmitting display area (a). The portion of the display panel that is located at the light-transmitting display area (b) comprises: a base substrate; a plurality of pixel circuits (10), wherein the plurality of pixel circuits (10) are arranged on one side of the base substrate; and a signal line, which is used for connecting different pixel circuits (10), wherein the signal line comprises a transparent wire (20) and a metal wire (30), and the metal wire (30) is aperiodically arranged.

Abstract: Disclosed is a display substrate, which includes a base substrate, a plurality of first-region light emitting elements and a plurality of first-region pixel circuit. The base substrate includes a display region and a peripheral region at least partially surrounding the display region, wherein the display region includes a transparent display region. A plurality of first-region light emitting elements and a plurality of first-region pixel circuits are located in the transparent display region. At least one first-region pixel circuit of the plurality of first-region pixel circuits is electrically connected with at least two first-region light emitting elements emitting light in a same color. An orthographic projection of at least one first-region pixel circuit on the base substrate is overlapped with an orthographic projection of at least one first-region light emitting element on the base substrate.

Abstract: A display substrate and a display device are disclosed, and the display substrate has a plurality of sub-pixels, and includes a base substrate, a driving circuit layer, a pixel definition layer and a light-emitting device layer, and a black matrix layer. Each sub-pixel includes a pixel driving circuit in the driving circuit layer and a light-emitting device in the light-emitting device layer. The black matrix layer includes a plurality of first light-transmitting openings respectively exposing the light-emitting devices of the plurality of sub-pixels in a direction perpendicular to a surface of the base substrate. The pixel definition layer includes a plurality of sub-pixel openings, at least part of the plurality of sub-pixel openings are in one-to-one correspondence with and at least partially overlapped with the plurality of first light-transmitting openings, and at least one of the plurality of first light-transmitting openings has an arc-shaped edge.