Measurement signal circuit and measurement method thereof

A measurement signal circuit, comprising:

• a first switch, a control end of the first switch being electrically coupled to a first node, a first end of the first switch being electrically coupled to a second node, and a second end of the first switch being electrically coupled to a third node;
• a second switch, a control end of the second switch being electrically coupled to the first node, a first end of the second switch being electrically coupled to a fourth node, and a second end of the second switch being electrically coupled to the third node;
• a third switch, a control end of the third switch being electrically coupled to a fifth node, a first end of the third switch being electrically coupled to the third node, and a second end of the third switch being electrically coupled to a pad;
• a fourth switch, a control end of the fourth switch being electrically coupled to the fifth node, a first end of the fourth switch being electrically coupled to a data line, and a second end of the fourth switch being electrically coupled to the second node;
• a fifth switch, a control end of the fifth switch being electrically coupled to the fifth node, a first end of the fifth switch being electrically coupled to a scan line, and a second end of the fifth switch being electrically coupled to the fourth node;
• a first resistor, one end of the first resistor being electrically coupled to the first node, and the other end of the first resistor being electrically grounded;
• and
• a second resistor, one end of the second resistor being electrically coupled to a second voltage signal, and the other end of the second resistor being electrically grounded, wherein the other end of the second resistor is electrically coupled to the fifth node if the other end is not electrically grounded.

A measurement method for a measurement signal circuit, comprising:

• providing a first switch, a control end of the first switch being electrically coupled to a first node, a first end of the first switch being electrically coupled to a second node, and a second end of the first switch being electrically coupled to a third node;
• providing a second switch, a control end of the second switch being electrically coupled to the first node, a first end of the second switch being electrically coupled to a fourth node, and a second end of the second switch being electrically coupled to the third node;
• providing a third switch, a control end of the third switch being electrically coupled to a fifth node, a first end of the third switch being electrically coupled to the third node, and a second end of the third switch being electrically coupled to a pad;
• providing a fourth switch, a control end of the fourth switch being electrically coupled to the fifth node, a first end of the fourth switch being electrically coupled to a data line, and a second end of the fourth switch being electrically coupled to the second node;
• providing a fifth switch, a control end of the fifth switch being electrically coupled to the fifth node, a first end of the fifth switch being electrically coupled to a scan line, and a second end of the fifth switch being electrically coupled to the fourth node;
• providing a trigger, a first end of the trigger being electrically coupled to a first voltage signal, a second end of the trigger being electrically coupled to a frequency input signal, and a third end of the trigger being electrically coupled to the first node;
• providing a first resistor, one end of the first resistor being electrically coupled to the first node, and the other end of the first resistor being electrically grounded;
• providing a second resistor, one end of the second resistor being electrically coupled to a second voltage signal, and the other end of the second resistor being electrically grounded;
• measuring a waveform signal of the scan line through a connection between the pad and the scan line;
• and
• measuring a waveform signal of the data line through a connection between the pad and the data line, wherein
• the other end of the second resistor is electrically coupled to the fifth node if the other end is not electrically grounded.