Patent ID: 11947754
Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 12:
13. The display device in claim 12, the touch sensing unit comprising a first transistor, a second transistor, a reference capacitor, and a sensing capacitor, wherein
a gate electrode and a source electrode of the first transistor are connected to each other and connected to the common electrode of the array substrate connected to any row of the plurality of pixel units, and a drain electrode of the first transistor is connected to a sensing node;
one end of the reference capacitor is connected to the sensing node, and another end of the reference capacitor is grounded;
one end of the sensing capacitor is connected to the sensing node, and another end of the sensing capacitor is grounded; and
a gate electrode of the second transistor is connected to the plurality of gate lines connected to any row of the plurality of pixel units, a source electrode of the second transistor is connected to the sensing node, and a drain electrode of the second transistor is connected to a corresponding read line.