Abstract: The disclosure provides a displaying substrate, a manufacturing method thereof, and a display panel, and relates to the technical field of display. The displaying substrate comprises a first supporting base (1), plurality of vibrating element modules (2), and a display module (3). The display module (3) comprises display units (31), connecting units (32) and hollowed-out units (33). Each connecting unit (32) is located between two adjacent display units (31). Each hollowed-out unit (33) is located between two adjacent display units (31) except an area where the corresponding connecting unit (32) is located. The hollowed-out units (33) are provided with cavities (40) corresponding to the vibrating element modules (2). Orthographic projections of the hollowed-out units (33) on a reference plane cover orthographic projections of the vibrating element modules (2) on the reference plane. The vibrating element modules (2) and the cavities (40) form a transducer.

Abstract: The present disclosure relates to a backlight module, a method for designing the same, and a display device. The backlight module includes: a first substrate; a plurality of LED chips on the first substrate; and a light control structure on the first substrate. The backlight module includes a plurality of light control region groups in one-to-one correspondence with the plurality of light-emitting diode chips, each light control region group includes at least a first light control region and a second light control region. The light control structure includes a plurality of light control substructure groups respectively located in the plurality of light control region groups. Each light control substructure group includes at least a first light control substructure in the first light control region and a second light control substructure in the second light control region.

Abstract: This disclosure relates to a see-through display device, including: a collimated light source assembly, configured to form collimated light and control a light emitting direction; a first light extraction layer, configured to extract, in a collimated manner, the light ray transmitted inside the light guide plate through a light extraction outlet; an extinction layer and a second light extraction layer, wherein the extinction layer includes a light guide region and a light absorption region which are arranged alternately, and the second light extraction layer includes multiple light extraction inlets; a reflecting layer, arranged on a side, close to the light guide plate, of the second light extraction layer and configured to reflect the collimated light extracted from the light extraction outlet to the light guide plate; and a liquid crystal dimming layer. This disclosure further relates to a manufacturing method of the see-through display device.

Abstract: Provided is a display backplate including an array substrate and a plurality of pairs of connection structures on the array substrate, wherein the array substrate includes a plurality of thin-film transistors and a common electrode signal line, wherein at least one of the plurality of thin-film transistors is connected to one of a pair of connection structures and the common electrode signal line is connected to the other of the pair of connection structures; and an area of a first section of the connection structure is negatively correlated with a distance between the first section and a surface of the array substrate, and the first section is parallel to the surface of the array substrate.

Abstract: A battery pack includes a housing of a first material, a cell assembly, and a cell support of a second material. The cell assembly is disposed in the housing and includes a plurality of cell units. The cell unit includes a positive electrode of the cell unit and a negative electrode of the cell unit. The cell support is configured to support at least the cell assembly. The cell support is at least disposed at two ends of the cell assembly and at least part of the cell support encapsulates the positive electrode of the cell unit and the negative electrode of the cell unit. The first material is different from the second material.

Abstract: A battery pack includes a housing of a first material, a cell assembly, and a cell support of a second material. The cell assembly is disposed in the housing and includes a plurality of cell units. The cell unit includes a positive electrode of the cell unit and a negative electrode of the cell unit. The cell support is configured to support at least the cell assembly. The cell support is at least disposed at two ends of the cell assembly and at least part of the cell support encapsulates the positive electrode of the cell unit and the negative electrode of the cell unit. The first material is different from the second material.

Abstract: A battery pack includes a housing of a first material, a cell assembly, and a cell support of a second material. The cell assembly is disposed in the housing and includes a plurality of cell units. The cell unit includes a positive electrode of the cell unit and a negative electrode of the cell unit. The cell support is configured to support at least the cell assembly. The cell support is at least disposed at two ends of the cell assembly and at least part of the cell support encapsulates the positive electrode of the cell unit and the negative electrode of the cell unit. The first material is different from the second material.

Abstract: A battery pack includes a housing, a cell assembly, a cell support member, a first sensor, and a second sensor. The cell assembly is disposed in the housing; and the cell support member is at least configured to support the cell assembly. The cell assembly includes a plurality of cells which are sheet-shaped, the plurality of cells are stacked, and a cell among the plurality of cells includes an encapsulation member configured to encapsulate the cell and a tab disposed at at least one end of the cell assembly and protruding from the cell. The first sensor is configured to detect a temperature of the cell and is disposed on a side of the tab facing towards the cell support member. The second sensor is configured to detect a parameter related to leakage of the cell and is disposed in the cell assembly.

Abstract: A battery charging method includes detecting a battery temperature and a battery power, determining whether the battery temperature satisfies a preset temperature condition for switching charging processes, performing a first charging process by alternating pulsed charging and discharging when the battery temperature is less than or equal to a first preset temperature value, performing a second charging process including a charge current dynamically adjusted according to the battery temperature and the battery power when the battery temperature is greater than the first preset temperature value and less than a second preset temperature value, and determining whether the battery power is less than a first preset power value when the battery temperature is equal to or greater than the second preset temperature value and less than a third preset temperature value, and performing a third charging process when the battery power is less than the first preset power value.

Abstract: A battery charging method includes detecting a battery temperature and a battery power, determining whether the battery temperature satisfies a preset temperature condition for switching charging processes, performing a first charging process when the battery temperature is less than or equal to a first preset temperature value, performing a second charging process when the battery temperature is greater than the first preset temperature value and less than a second preset temperature value, and determining whether the battery power is less than a first preset power value when the battery temperature is equal to or greater than the second preset temperature value and less than a third preset temperature value, and performing a third charging process when the battery power is less than the first preset power value.

Abstract: A charging assembly and a charging control method are provided for charging a battery pack in a fast charging voltage value which is greater than the rated charging voltage value. The charging assembly includes a battery pack, a charger and a control system configured to control the charger to charge the battery pack with a constant charging current. The method includes: detecting the open-circuit voltage of each battery cell and screening out a maximum open-circuit voltage value, calculating a maximum charging duration and controlling the charger to charge the battery cell assembly with a constant current when the charging voltage is equal to the fast charging voltage value or reaches the maximum charging duration.

Abstract: A charging assembly and a charging control method are provided for charging a battery pack in a fast charging voltage value which is greater than the rated charging voltage value. The charging assembly includes a battery pack, a charger and a control system configured to control the charger to charge the battery pack with a constant charging current. The method includes: detecting the open-circuit voltage of each battery cell and screening out a maximum open-circuit voltage value, calculating a maximum charging duration and controlling the charger to charge the battery cell assembly with a constant current when the charging voltage is equal to the fast charging voltage value or reaches the maximum charging duration.