Abstract: The present application provides a composite positive electrode material and a preparation method therefor, and a lithium ion battery. The positive electrode material comprises a core and a cladding layer cladded on the surface of the core, the core comprises a lithium-rich positive electrode material, and the cladding layer comprises an n-type thermoelectric material. The method comprises: compounding the lithium-rich positive electrode material with the n-type thermoelectric material to obtain the composite positive electrode material. The compounding method comprises: method I, mixing the lithium-rich positive electrode material with the n-type thermoelectric material for treatment to obtain the composite positive electrode material; or method II, dispersing and treating raw materials of the lithium-rich positive electrode material and the n-type thermoelectric material to obtain the composite positive electrode material.

Abstract: An array substrate, a repair method of the array substrate, a display panel and a display device are provided. The array substrate includes a base substrate, and a common electrode layer, a common electrode line mesh, a first metal layer and a second metal layer which are on the base substrate, and the common electrode line mesh is electrically connected with the common electrode layer. The first metal layer includes a first signal line extending along a first direction; the second metal layer includes a second signal line extending along a second direction and a plurality of repair connection portions; and each repair connection portion has a first overlap portion overlapping the first signal line and a second overlap portion overlapping the common electrode line mesh.

Abstract: The embodiments of the present disclosure propose an array substrate, a display apparatus, and a maintaining method. The array substrate comprises: a first signal line disposed in a first direction; a second signal line disposed in a second direction different from the first direction; and a maintaining part disposed adjacent to an intersection region of the first signal line which overlaps with the second signal line, electrically connected to a common electrode line, and is electrically insulated from the first signal line.

Abstract: The embodiments of the present disclosure propose an array substrate, a display apparatus, and a maintaining method. The array substrate comprises: a first signal line disposed in a first direction; a second signal line disposed in a second direction different from the first direction; and a maintaining part disposed adjacent to an intersection region of the first signal line which overlaps with the second signal line, electrically connected to a common electrode line, and is electrically insulated from the first signal line.

Abstract: An array substrate, a repair method of the array substrate, a display panel and a display device are provided. The array substrate includes a base substrate, and a common electrode layer, a common electrode line mesh, a first metal layer and a second metal layer which are on the base substrate, and the common electrode line mesh is electrically connected with the common electrode layer. The first metal layer includes a first signal line extending along a first direction; the second metal layer includes a second signal line extending along a second direction and a plurality of repair connection portions; and each repair connection portion has a first overlap portion overlapping the first signal line and a second overlap portion overlapping the common electrode line mesh.

Abstract: The present application discloses a display substrate comprising a base substrate; a first electrode on the base substrate; a first insulating layer on a side of the first electrode distal to the base substrate; a thin film transistor on a side of the first insulating layer distal to the first electrode; a second insulating layer on a side of the thin film transistor distal to the first insulating layer; an organic layer on a side of the second insulating layer distal to the thin film transistor; and a second electrode on a side of the organic layer distal to the second insulating layer.

Abstract: The present application discloses a display substrate comprising a base substrate; a first electrode on the base substrate; a first insulating layer on a side of the first electrode distal to the base substrate; a thin film transistor on a side of the first insulating layer distal to the first electrode; a second insulating layer on a side of the thin film transistor distal to the first insulating layer; an organic layer on a side of the second insulating layer distal to the thin film transistor; and a second electrode on a side of the organic layer distal to the second insulating layer.