US 12,380,820 B2
Projection device, control circuit and control method thereof
Chuan Chu Chen, Taoyuan (TW)
Assigned to Qisda Corporation, Taoyuan (TW)
Filed by Qisda Corporation, Taoyuan (TW)
Filed on May 16, 2024, as Appl. No. 18/666,765.
Claims priority of application No. 202310819893.1 (CN), filed on Jul. 5, 2023.
Prior Publication US 2025/0014488 A1, Jan. 9, 2025
Int. Cl. G09G 3/00 (2006.01); G09G 5/10 (2006.01)
CPC G09G 3/002 (2013.01) [G09G 5/10 (2013.01); G09G 2310/0243 (2013.01); G09G 2310/0289 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A control circuit, driving a plurality of light-emitting elements through a driving device, the control circuit comprising:
a plurality of voltage level shifters, respectively receiving a plurality of selection signals, and shifting peak voltages of the selection signals to generate a plurality of processed signals; and
an operation circuit, coupled to the voltage level shifters, and executing a signal decoding operation according to the processed signals to generate a plurality of strobe signals,
wherein the operation circuit respectively provides the strobe signals to a plurality of drivers of the driving device, so that the drivers respectively generate a plurality of driving signals.