Patent ID: 11908382
Assignee: MEDIATEK INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 18:
19. A method of a status change with respect to a multi-display apparatus having a primary display and a secondary display, comprising:
maintaining a power supplied to the secondary display during the status change; and
switching the primary display and the secondary display from a first state to a second state;
wherein:
in the first state, both the primary display and the secondary display are on;
in the second state, the primary display is off and the secondary display is on; and
the switching of the primary display and the secondary display from the first state to the second state comprises:
preparing a backup pipe as a backup of a second virtual pipe with a resolution of the secondary display and a new content;
powering off a first display serial interface (DSI) corresponding to the primary display to turn off the primary display;
disconnecting a first virtual pipe from the first DSI;
changing from the second virtual pipe being connected to a second DSI corresponding to the secondary display to the backup pipe being connected to the second DSI; and
powering on the backup pipe and the second DSI for the secondary display,

wherein each of the first virtual pipe and the second virtual pipe comprises respective hardware components configured to provide display processing, overlaying, and picture quality enhancement functionalities.