A light-emitting device can be folded in such a manner that a flexible light-emitting panel is supported by a plurality of housings which are provided spaced from each other and the light-emitting panel is bent so that surfaces of adjacent housings are in contact with each other. Furthermore, in the light-emitting device, in which part or the whole of the housings have magnetism, the two adjacent housings can be fixed to each other by a magnetic force when the light-emitting device is used in a folded state.

A display substrate, including: a base, and a plurality of sub-pixels arranged on the base. At least one of the plurality of sub-pixels includes a pixel driving circuit and a light-emitting element electrically connected to the pixel driving circuit. The pixel driving circuit includes a plurality of transistors and at least one storage capacitor. In a direction perpendicular to the base, the display substrate includes: a semiconductor layer, a first metal layer, a second metal layer, a third metal layer and a fourth metal layer, which are sequentially arranged on the base. The semiconductor layer includes: an active layer of the plurality of transistors. The first metal layer includes at least a scanning line extending in a first direction, a gate electrode of the plurality of transistors, and a first capacitor electrode plate of the storage capacitor.

A display panel and a method of manufacturing the same are provided. The display panel includes a shielding layer, a thin film transistor device layer, and a first via hole and a second via hole disposed correspondingly, and a third via hole disposed in a bonding area. Specifically, each of the first via hole and the third via hole is a stair-step shaped hole. The first via hole, the second via hole, and the third via hole are etched through a same etching process. Only one-time mask process is required, which saves number of masks and lowers the production cost.

A flexible display panel and a manufacturing method thereof, and a flexible display apparatus are disclosed. The flexible display panel includes: a flexible substrate, the flexible substrate including a display area, a peripheral area, a welding area and a bending area, and the bending area including a first edge; and the flexible display panel further includes: a barrier and an organic insulation layer, wherein the peripheral area includes a peripheral transition area between the bending area and the display area, the organic insulation layer in the peripheral transition area is provided with a first groove, the first groove is on one side of the barrier and extends along a direction substantially parallel to a bending axis, and the first groove is on one side of the first edge proximal to the display area.

According to one embodiment, a manufacturing method is to manufacture a display device in which a partition including a lower portion and an upper portion arranged on the lower portion to protrude from a side surface of the lower portion is arranged on a boundary between adjacent sub-pixels, and the method comprises forming a metal layer above a substrate, forming the upper portion on the metal layer, reducing a thickness of a first portion of the metal layer exposed from the upper portion by anisotropic etching, and forming the lower portion by reducing a width of a second portion of the metal layer located under the upper portion by isotropic etching.

A display apparatus includes: a substrate including a display area, and a peripheral area outside the display area; a display element at the display area; and a pad at the peripheral area, the pad including: a first metal layer; a second metal layer on the first metal layer; a first metal oxide layer on the second metal layer, and in surface-contact with the second metal layer; and an oxide conductive layer on the first metal oxide layer, and in surface-contact with the first metal oxide layer.

According to one embodiment, a display device manufacturing method includes preparing a processing substrate including a lower electrode, a rib including and a partition, forming a first organic layer covering the lower electrode, and a second organic layer located on the upper portion, forming a first upper electrode located on the first organic layer and a second upper electrode located on the second organic layer, forming a sealing layer, forming a resist covering a part of the sealing layer, performing anisotropic dry etching using the resist as a mask to reduce a thickness of the sealing layer exposed from the resist, and performing isotropic dry etching using the resist as a mask and using a mixture gas of fluorine-based gas and oxygen to remove the sealing layer exposed from the resist.

Embodiments provide a slurry for polishing copper, a manufacturing method of a display device which uses the slurry, and the display device. The slurry for polishing copper includes an abrasive, a catalyst including a single molecule having an iron ion, a polishing suppressant, and an oxidizing agent.

According to one embodiment, a manufacturing method of a display device includes forming a lower electrode, forming an insulating layer overlapping the lower electrode, forming a first aluminum layer above the insulating layer, cooling the first aluminum layer, forming a second aluminum layer on the first aluminum layer, forming a thin film above the second aluminum layer, forming a partition including a lower portion and an upper portion, the second aluminum layer and the thin film, forming an organic layer located on the lower electrode, and forming an upper electrode which is located on the organic layer and is in contact with the lower portion of the partition.

The light-emitting device includes a thin film transistor having a channel layer made of a first n-type semiconductor; a cathode electrically connected to a drain of the thin film transistor and made of a second n-type semiconductor; an anode facing the cathode; and a light-emitting layer provided between the cathode and the anode.