US 12,238,833 B2
LED control circuit and electronic device, and electronic apparatus
Wei Wang, Guangdong (CN); and Jing Han, Guangdong (CN)
Assigned to REALMAGIC SEMICONDUCTORS (SHENZHEN) CO., LTD., Guangdong (CN)
Appl. No. 18/725,646
Filed by REALMAGIC SEMICONDUCTORS (SHENZHEN) CO., LTD., Guangdong (CN)
PCT Filed Aug. 30, 2022, PCT No. PCT/CN2022/115852
§ 371(c)(1), (2) Date Jun. 28, 2024,
PCT Pub. No. WO2023/221330, PCT Pub. Date Nov. 23, 2023.
Claims priority of application No. 202221185437.3 (CN), filed on May 17, 2022.
Prior Publication US 2024/0422874 A1, Dec. 19, 2024
Int. Cl. H05B 45/00 (2022.01); H05B 45/30 (2020.01)
CPC H05B 45/30 (2020.01) 24 Claims
OG exemplary drawing
 
1. An LED control circuit, having a power terminal, a grounding terminal, and a plurality of control signal outputs, the LED control circuit comprising:
a level recognition circuit, connected to the power terminal and the grounding terminal of the LED control circuit, and being configured to output a digital signal according to a voltage difference between a voltage at the power terminal and a voltage at the grounding terminal; and
a decoding circuit, connected to the level recognition circuit and the plurality of control signal outputs of the LED control circuit, and being configured to parse the digital signal to obtain control data of the LED control circuit, and output a plurality of control signals to the plurality of control signal outputs according to the control data.