Substrate, panel, detection device and alignment detection method

A detection device, comprising:

• second signal connection pins arranged in parallel side by side;
• second alignment detection pins, located on at least one side of the second signal connection pins in an arrangement direction of the second signal connection pins, and arranged in parallel with the second signal connection pins;
• a number of the second alignment detection pins located on each side of the second signal connection pins is 3;
• in an arrangement direction of the second alignment detection pins on the each side, the second alignment detection pin in the middle is used to receive the alignment signal from an alignment circuit, and accordingly, the second alignment detection pins on both sides of the second alignment detection pin in the middle are used to send the alignment detection result signal, each of the second signal connection pins has a first end and a second end opposite to the first end, the first end is electrically connected with a test circuit, the second end is flush with end faces of the second alignment detection pins on a side away from the test circuit, and a conductivity of a material of the second alignment detection pins is greater than a conductivity of a material of the second signal connection pins.

An alignment detection method, comprising:

• providing a substrate, wherein the substrate comprises:
• first signal connection pins arranged in parallel side by side;
• at least one first alignment detection pin, which is located on at least one side of the first signal connection pins in an arrangement direction of the first signal connection pins, and arranged in parallel with the first signal connection pins, wherein the at least one first signal connection pin has a first end and a second end opposite to the first end, the first end is electrically connected with a signal line, the second end is flush with an end face of the at least one first alignment detection pin on a side away from the signal line, and a shape of the at least one first alignment detection pin is a straight strip, and a conductivity of a material of the at least one first alignment detection pin is greater than a conductivity of a material of the first signal connection pins;
• providing a detection device, wherein the detection device comprises:
• a second signal connection pins arranged in parallel side by side;
• second alignment detection pins, located on at least one side of the second signal connection pins in an arrangement direction of the second signal connection pins, and arranged in parallel with the second signal connection pins, a number of the second alignment detection pins located on each side of the second signal connection pins is 3;
• in an arrangement direction of the second alignment detection pins on the each side, the second alignment detection pin in the middle is used to receive the alignment signal from the alignment circuit, and accordingly, the second alignment detection pins on both sides of the second alignment detection pin in the middle are used to send the alignment detection result signal, each of the second signal connection pins has a first end and a second end opposite to the first end, the first end is electrically connected with a test circuit, the second end is flush with end faces of the second alignment detection pins on a side away from the test circuit, and a conductivity of a material of the second alignment detection pins is greater than a conductivity of a material of the second signal connection pins;
• contacting the substrate with the detection device to electrically connect the first signal connection pins of the substrate with the second signal connection pins of the detection device one by one, and electrically connect one of the first alignment detection pins on each side of the at least one side of the first signal connection pins with at least one of the second alignment detection pin;
• and before applying a detection signal to the second signal connection pins, inputting an alignment signal to the signal input second alignment detection pins and performing an alignment detection to detect whether the first signal connection pins and the second signal connection pins are aligned accurately, wherein the second alignment detection pins are arranged at an equal spacing and a first spacing is provided between two second alignment detection pins adjacent to each other, and at least one of the first alignment detection pins has a width greater than the first spacing.