US 11,839,875 B2
Driving circuit, method for driving the same, and microfluidic device
Kaidi Zhang, Shanghai (CN); Boquan Lin, Shanghai (CN); Yunfei Bai, Shanghai (CN); Wei Li, Shanghai (CN); Shun Gong, Shanghai (CN); Linzhi Wang, Shanghai (CN); and Kerui Xi, Shanghai (CN)
Assigned to Shanghai Tianma Micro-Electronics Co., Ltd., Shanghai (CN)
Filed by Shanghai Tianma Micro-Electronics Co., Ltd., Shanghai (CN)
Filed on May 13, 2022, as Appl. No. 17/743,794.
Claims priority of application No. 202210167553.0 (CN), filed on Feb. 23, 2022.
Prior Publication US 2022/0314220 A1, Oct. 6, 2022
Int. Cl. H03K 17/725 (2006.01); B01L 3/00 (2006.01)
CPC B01L 3/502715 (2013.01) [B01L 3/50273 (2013.01); H03K 17/725 (2013.01); B01L 2300/0645 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A driving circuit, comprising:
a constant voltage writing module, wherein the constant voltage writing module comprises an input terminal electrically connected to a first signal line, an output terminal electrically connected to an output terminal of the driving circuit, and a control terminal; and the constant voltage writing module is configured to transmit a constant voltage to the output terminal of the driving circuit;
an alternating current (AC) voltage writing module, wherein the AC voltage writing module comprises an input terminal electrically connected to a second signal line, an output terminal electrically connected to the output terminal of the driving circuit, and a control terminal; and the AC voltage writing module is configured to transmit an alternating current (AC) voltage to the output terminal of the driving circuit;
a first switch, wherein the first switch comprises an input terminal electrically connected to a third signal line, an output terminal electrically connected to the control terminal of the AC voltage writing module and the control terminal of the constant voltage writing module, and a control terminal electrically connected to a first scan line; and
a first capacitor, wherein the first capacitor comprises one electrode plate electrically connected to the output terminal of the first switch, and another electrode plate electrically connected to a reference signal line.