Mobile device, method and device for switching battery thereof, and computer-readable storage mediumA mobile device includes a primary battery and a secondary battery, and the mobile device further includes: a power supply control module and a main control module connected to each other, where the p…DRIVE·Jun 2·1 min readFollowH02J7/855Beijing BOE Display Technology Co., Ltd.
PROJECTION ASSEMBLY, DISPLAY SYSTEM AND VEHICLEProvided are a projection assembly, a display system and a vehicle. The projection assembly is applied to the vehicle, and the projection assembly includes: a housing, a bottom cover, a display module…DRIVE·May 23·2 min readFollowB60K35/231Beijing BOE Display Technology Co., Ltd.
