Patent ID: 11929005
Assignee: XIAMEN TIANMA DISPLAY TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 4:
5. The drive compensation method according to claim 4, wherein the plurality of signal lines further comprise second signal lines extending in the row direction;
obtaining the charge rates of the at least part of the first pixel units sequentially arranged in the row direction through the actual test by using the test display panel comprises:
obtaining voltage drops of at least part of second nodes on one of the second signal lines and a current on the one second signal line through the actual test by using the test display panel, wherein one of the first pixel units is electrically connected to the one second signal line through a respective one second node of the second nodes; and
calculating impedance and capacitive reactance of the at least part of the second nodes on the one second signal line according to the voltage drops of the at least part of the second nodes on the one second signal line, the current on the one second signal line, and a voltage drop calculation formula ΔV2=I2×n2×(R2+C2) and replacing a charge rate of the one first pixel unit electrically connected to the one second node with impedance and capacitive reactance of the one second node; and
wherein obtaining the charge rates of the at least part of the first pixel units sequentially arranged in the row direction through the simulation by using the simulation display panel comprises:
obtaining the voltage drops of the at least part of the second nodes on the one second signal line and the current on the one second signal line through the simulation by using the simulation display panel, wherein the one first pixel unit is electrically connected to the one second signal line through the respective one second node; and
calculating the impedance and capacitive reactance of the at least part of the second nodes on the one second signal line according to the voltage drops of the at least part of the second nodes on the one second signal line, the current on the one second signal line, and the voltage drop calculation formula ΔV2=I2×n2×(R2+C2) and replacing the charge rate of the one first pixel unit electrically connected to the one second node with the impedance and capacitive reactance of the one second node,
wherein ΔV2 denotes a voltage drop of one of the second nodes on the one second signal line, I2 denotes the current on the one second signal line, n2 denotes a sequence number of the current second node on the one second signal line, R2 denotes impedance of each of the plurality of pixel units sequentially arranged in the row direction, and C2 denotes capacitive reactance of each pixel unit sequentially arranged in the row direction.