Patent ID: 11915666
Assignee: NOVATEK MICROELECTRONICS CORP.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A display device, comprising:
a display panel, comprising a plurality of display areas;
a first display driving integrated circuit, coupled to the display panel, wherein the first display driving integrated circuit generates a display synchronization signal, and drives a first display area among the display areas according to the display synchronization signal; and
a second display driving integrated circuit, coupled to the display panel, wherein the second display driving integrated circuit is coupled to the first display driving integrated circuit to receive the display synchronization signal, the second display driving integrated circuit performs a frequency tracking operation on an original internal clock signal of the second display driving integrated circuit to generate a tracked internal clock signal by selectively using the display synchronization signal as a frequency tracking reference clock, wherein the frequency tracking operation is performed by calculating an offset between the original internal clock signal of the second display driving integrated circuit and the frequency tracking reference clock and adjusting a frequency of the original internal clock signal of the second display driving integrated circuit to be consistent with a frequency of the frequency tracking reference clock, and the second display driving integrated circuit drives a second display area among the display areas according to the tracked internal clock signal.