US 11,956,869 B2
Display driver circuit for controlling LED panel
Chih-Hsien Chou, Hsinchu (TW); Jhih-Siou Cheng, New Taipei (TW); Jin-Yi Lin, Kaohsiung (TW); and Ren-Chieh Yang, Taichung (TW)
Assigned to NOVATEK Microelectronics Corp., Hsin-Chu (TW)
Filed by NOVATEK Microelectronics Corp., Hsin-Chu (TW)
Filed on Oct. 12, 2022, as Appl. No. 17/964,059.
Claims priority of provisional application 63/312,843, filed on Feb. 23, 2022.
Prior Publication US 2023/0269845 A1, Aug. 24, 2023
Int. Cl. H05B 45/325 (2020.01); G09G 3/32 (2016.01); H05B 45/345 (2020.01); H05B 45/46 (2020.01); H05B 45/54 (2020.01)
CPC H05B 45/325 (2020.01) [G09G 3/32 (2013.01); H05B 45/345 (2020.01); H05B 45/46 (2020.01); H05B 45/54 (2020.01)] 17 Claims
OG exemplary drawing
 
1. A display driver circuit for controlling a display panel having a plurality of light-emission diode (LED) strings, the display driver circuit comprising:
a plurality of current regulators, each configured to control one of the plurality of LED strings; and
a control circuit, coupled to the plurality of current regulators, configured to generate a plurality of pulses in a plurality of pulse width modulation (PWM) signals and output each of the plurality of PWM signals to a respective current regulator among the plurality of current regulators;
wherein the plurality of pulses are scrambled.