Electrical conductivity test structure, thin film transistor array substrate, and display panel

A thin film transistor array substrate, comprising:

• a glass substrate defining a display area and a non-display area connected with the display area, the target trace being in the display area, and the controller being in the non-display area;
• and
• an electrical conductivity test structure, comprising:
• a first conductive layer comprising at least one first trace and at least one second trace, the at least one first trace and the at least one second trace are connected in parallel, each of the at least one first trace electrically connected to the target trace and the controller, and each of the at least one second trace electrically connected with the target trace and the controller;
• and
• a second conductive layer electrically connected with the at least one first trace and electrically insulated from the at least one second trace, the second conductive layer configured to transmit test signals to the at least one first trace;
• wherein the test signals are configured to test an electrical conductivity between the controller and the target trace.

A display panel, comprising:

• a color filter substrate;
• a thin film transistor array substrate comprising:
• a glass substrate defined a display area and a non-display area connected with the display area, the target trace being in the display area, and the controller being in the non-display area;
• and
• an electrical conductivity test structure, comprising:
• a first conductive layer comprising at least one first trace and at least one second trace, the at least one first trace and the at least one second trace are connected in parallel, each of the at least one first trace electrically connected to the target trace and the controller, and each of the at least one second trace electrically connected with the target trace and the controller;
• and
• a second conductive layer electrically connected with the at least one first trace and electrically insulated from the at least one second trace, the second conductive layer configured to transmit test signals to the at least one first trace;
• wherein the test signals are configured to test an electrical conductivity between the controller and the target trace;
• and
• a liquid crystal layer between the color filter substrate and the thin film transistor array substrate, the color filter substrate, the liquid crystal layer, and the thin film transistor array substrate configured to display images in cooperation.