Detection plate for detecting display performance and detection method of detection plate

The invention discloses a detection plate for detecting display performance. The detection plate comprises a dielectric plate A; different patterns are arranged in the same horizontal direction of the dielectric plate A; the patterns are in regular arrangement on the dielectric plate A; the patterns comprise pattern lines of different thicknesses, and the pattern lines are also in regular arrangement; pattern spacings in regular arrangement are reserved between different patterns; identifiers are also arranged on one side of the patterns; at least one blank gap is formed between the identifiers and the patterns; pattern line spacings are formed between different pattern lines; the pattern line spacings are in ordered and regular arrangement; and the dimensional precision of the pattern lines and the pattern spacings have to be 0.01mm for sure. The invention also discloses a detection method of the detection plate. By virtue of the detection method, the exposure precision and energy required by exposure can be rapidly detected; and in addition, the method is simple to operate, the detection efficiency is improved, and the production and processing of the exposure industry are accelerated.