Abstract
Based on Microscopic hyperspectral imaging ( μ-HSI) technique, a measurement technique is proposed to precisely determine two-dimensional (2D) pixel-level photometric and colorimetric mass-distributions of micro-displays ( μ-displays). Light from halogen lamp coupled into a 1”-integrating cube is used as calibration light source for spectral radiant distribution (SRD). Therefore, optical and colorimetric parameters of each pixel on μ-displays can be easily obtained. Active-matrix organic light-emitting diode (AMOLED) and Micro-LED samples are tested by the proposed method and conventional spectroradiometer with satisfactory consistency. Besides, detailed differences between pixels are accessible for further evaluation from the 2D pixel-level luminance and color distributions of μ-displays.
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