Abstract: The present disclosure relates to the field of display technology, and provides a display apparatus, a display substrate, and a method of preparing a display substrate. The display substrate includes a display area and a frame area surrounding the display area, and further includes: a drive circuit layer provided on a base substrate; an insulating material structure provided on the drive circuit layer, located in the display area and at least a portion of the frame area, and provided with a step structure at an edge thereof; a light-emitting layer provided on the insulating material structure; an encapsulation layer covering the light-emitting layer; a first barrier wall provided on the drive circuit layer, and surrounding the insulating material structure, where the edge is an edge of the insulating material structure close to the first barrier wall; and a conductive connection structure provided inside the insulating material structure and electrically connected with the drive circuit layer.

Abstract: A display substrate and a method manufacturing the same, an electronic apparatus are provided. The display substrate includes a display area including a first display region and a second display region, the first display region having a pixel density higher than that of the second display region, the display area including a base substrate, and a first electrode layer, a light-emitting functional layer, and a second electrode layer sequentially provided on the base substrate, the second electrode layer being on a side of the light-emitting functional layer away from the base substrate,. The second electrode layer includes a first electrode portion provided in the first display region and a second electrode portion provided in the second display region, the first electrode portion and the second electrode portion are electrically connected with each other, and the second electrode portion has a light transmittance higher than that of the first electrode portion.

Abstract: A bearing and a sealing device. The sealing device includes: a skeleton; and a sealing part, which, taken as a whole, is of an annular structure, the sealing part comprising an elastic part and a plastic part, and the elastic part being fixed to the skeleton. After the sealing device is arranged between a bearing inner ring and a bearing outer ring, the plastic part and the bearing inner ring form contact sealing, the elastic part and the plastic part are relatively fixed, and in the radial direction, at least part of the plastic part is arranged between the bearing inner ring and the elastic part. The coefficient of friction of the material of the plastic part is smaller than the coefficient of friction of the material of the elastic part.

Abstract: A dry battery electrode plate includes: a metal current collector and a self-supporting electrode film. The metal current collector is provided with pores. The self-supporting electrode film includes a first electrode film and a second electrode film. The first electrode film is arranged on one side of the metal current collector. The second electrode film is arranged on the other side of the metal current collector facing away from the first electrode film. The first electrode film and the second electrode film are configured to be press-fit connected by an external force. The first electrode film and the second electrode film are attached to the metal current collector. The first electrode film and the second electrode film are connected to each other at positions corresponding to the pores.

Abstract: Disclosed is a hierarchical management method and system for a terminal device. The terminal device comprises at least one control system, and at least one peripheral apparatus, which is connected to the control system. In the method, when a terminal device receives a wake-up signal during dormancy, a control system corresponding to the wake-up signal is woken up, and the control system in a wake-up state grades an operation mode of the control system according to a data load; and according to the operation mode, a peripheral apparatus that needs to perform data processing is woken up.

Abstract: The present disclosure provides a rate adjustment method and a rate adjustment device for USB data transfer, and a device. The rate adjustment method for USB data transfer includes the following steps: acquiring rate data of data transfer with a USB host; determining whether a rate of the current data transfer jumps according to the rate data and a preset condition; and turning off corresponding pins in response to determining that the rate of the current data transfer jumps.

Abstract: A hub bearing and a seal device therefore are disclosed. In one example, the hub bearing seal device includes inner and outer rings, a ring-shaped seal, and a seal retaining ring. A metallic framework is provided inside the seal. The seal is fixed to the outer ring via the metallic framework and a seal lip edge is provided on the metallic framework of the seal. The seal lip edge is in contact with the seal retaining ring in interference fit. The seal is further provided with another layer of metallic framework having a different thermal expansion coefficient from that of the metallic framework. Together, the metallic frameworks form a bimetallic sheet type framework. During the operation of the seal device, the bimetallic sheet type framework can adjust the amount of interference between the seal lip edge and the seal retaining ring dynamically according to temperature change.

Abstract: A hub bearing and a seal device therefore are disclosed. In one example, the hub bearing seal device includes inner and outer rings, a ring-shaped seal, and a seal retaining ring. A metallic framework is provided inside the seal. The seal is fixed to the outer ring via the metallic framework and a seal lip edge is provided on the metallic framework of the seal. The seal lip edge is in contact with the seal retaining ring in interference fit. The seal is further provided with another layer of metallic framework having a different thermal expansion coefficient from that of the metallic framework. Together, the metallic frameworks form a bimetallic sheet type framework. During the operation of the seal device, the bimetallic sheet type framework can adjust the amount of interference between the seal lip edge and the seal retaining ring dynamically according to temperature change.

Abstract: A method, device and system for automatically adapting multimode data card equipment are provided. The device includes: a kernel layer module, which is arranged to establish a communication connection with a host module preinstalled at a target host side after the multimode data card equipment is accessed to a target host, and perform mode adaption with the host module via a customized instruction; and a functional layer module, which is arranged to configure a mode of the multimode data card equipment according to an adapted mode obtained through the mode adaption performed by the kernel layer module.

Abstract: A bearing assembly, including: a housing having a through hole; first and second bearings coaxially set in the through hole, the first bearing is located at one end and the second bearing is located at an other end of the through hole, and both the first and second bearings include inner and outer rings. A first shaft sleeve is set between the first and the second bearing along an axial direction. An end cap located at the other end of the through hole, is connected with the housing and adapted to rotate relatively to the housing. The first bearing is located between the end cap and the first shaft sleeve along the axial direction. Accordingly, the end cap can be connected with the housing for preventing the end cap from falling out of the housing, thus the bearing assembly is configured into an integrated piece for transportation and usage.

Abstract: A bearing assembly, including: a housing having a through hole; first and second bearings coaxially set in the through hole, the first bearing is located at one end and the second bearing is located at an other end of the through hole, and both the first and second bearings include inner and outer rings. A first shaft sleeve is set between the first and the second bearing along an axial direction. An end cap located at the other end of the through hole, is connected with the housing and adapted to rotate relatively to the housing. The first bearing is located between the end cap and the first shaft sleeve along the axial direction. Accordingly, the end cap can be connected with the housing for preventing the end cap from falling out of the housing, thus the bearing assembly is configured into an integrated piece for transportation and usage.

Abstract: A rotary support, comprising: a bearing inner race; a bearing outer race including a plurality of axially disposed through holes; a first plurality of rolling elements installed between the bearing inner race and the bearing outer race, and arranged to retain the bearing inner race and the bearing outer race in rolling engagement; and an outer ring radially surrounding and fixed to an outer portion of the bearing inner race and disposed axially opposite to the bearing outer race; wherein the outer ring includes a plurality of axially penetrating mounting holes; and wherein the bearing outer race through holes are axially aligned with the outer ring mounting holes.

Abstract: A rotary support, comprising: a bearing inner race; a bearing outer race including a plurality of axially disposed through holes; a first plurality of rolling elements installed between the bearing inner race and the bearing outer race, and arranged to retain the bearing inner race and the bearing outer race in rolling engagement; and an outer ring radially surrounding and fixed to an outer portion of the bearing inner race and disposed axially opposite to the bearing outer race; wherein the outer ring includes a plurality of axially penetrating mounting holes; and wherein the bearing outer race through holes are axially aligned with the outer ring mounting holes.

Abstract: A process for preparing lithium-nickel-manganese-cobalt composite oxide used as a positive electrode material for the lithium ion battery, comprising subjecting a mixture containing a lithium compound and nickel-manganese-cobalt hydroxide to a first-stage sintering and a second-stage sintering. The process includes adding a binder and/or binder solution after the first-stage sintering, and the mixture of the binder and/or binder solution and the product of first-stage sintering is sintered in the second-stage sintering. The tap density and volume specific capacity of the positive electrode material lithium-nickel-manganese-cobalt composite oxide prepared by the process, come up to 2.4 g/cm3 and 416.4 mAh/cm3, respectively. Besides, the positive electrode material lithium-nickel-manganese-cobalt composite oxide prepared by the process possesses the advantages of high specific capacity and good cycle stability.

Abstract: A process for preparing lithium-nickel-manganese-cobalt composite oxide used as a positive electrode material for the lithium ion battery, comprising subjecting a mixture containing a lithium compound and nickel-manganese-cobalt hydroxide to a first-stage sintering and a second-stage sintering, wherein said process further comprises adding a binder and/or binder solution after the first-stage sintering, and the mixture of the binder and/or binder solution and the product of first-stage sintering is sintered in said second-stage sintering. The tap density and volume specific capacity of the positive electrode material lithium-nickel-manganese-cobalt composite oxide prepared by the present process, come up to 2.4 g/cm3 and 416.4 mAh/cm3, respectively. Besides, the positive electrode material lithium-nickel-manganese-cobalt composite oxide prepared by the present process possesses the advantages of high specific capacity and good cycle stability.