US 12,266,323 B2
Display panel and driving method thereof, and electronic device
Jianlei Li, Guangdong (CN); and Lidan Ye, Guangdong (CN)
Assigned to HKC CORPORATION LIMITED, Shenzhen (CN)
Filed by HKC CORPORATION LIMITED, Shenzhen (CN)
Filed on May 29, 2024, as Appl. No. 18/677,433.
Claims priority of application No. 202310820377.0 (CN), filed on Jul. 6, 2023.
Prior Publication US 2025/0014533 A1, Jan. 9, 2025
Int. Cl. G09G 3/36 (2006.01)
CPC G09G 3/3677 (2013.01) [G09G 3/3688 (2013.01); G09G 2300/0852 (2013.01); G09G 2330/021 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A display panel, comprising a plurality of first scan lines extending in a first direction, a plurality of data lines extending in a second direction, a control circuit, and a plurality of pixel circuits defined by intersection of the plurality of first scan lines and the plurality of data lines, wherein each of the plurality of pixel circuits comprises a first switch unit, a liquid crystal capacitor, and a storage capacitor, a control terminal of the first switch unit is electrically connected to one of the plurality of first scan lines, a first terminal of the first switch unit is electrically connected to one of the plurality of data lines, a second terminal of the first switch unit is electrically connected to one terminal of the liquid crystal capacitor and one terminal of the storage capacitor, the other terminal of the liquid crystal capacitor is electrically connected to a first common electrode, and the other terminal of the storage capacitor is electrically connected to a second common electrode;
wherein the display panel further comprises a plurality of second scan lines extending in the first direction, each of the plurality of pixel circuits further comprises a second switch unit and a neutralizing capacitor, a control terminal of the second switch unit is electrically connected to one of the plurality of second scan lines, a first terminal of the second switch unit is electrically connected to the second terminal of the first switch unit, a second terminal of the second switch unit is electrically connected to one terminal of the neutralizing capacitor, and the other terminal of the neutralizing capacitor is electrically connected to the second common electrode; and the control circuit is configured to obtain a display signal and charge each row of liquid crystal capacitors, storage capacitors, and neutralizing capacitors according to the display signal and neutralize charges of the liquid crystal capacitor, the storage capacitor, and the neutralizing capacitor during displaying of a frame to enable the display panel to display images at a first frequency, the display signal has a second frequency, and the first frequency is greater than the second frequency.