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A dot‐matrix display with 256 × 64 pixels with a pixel size of 0.34 × 0.30 mm in size, a luminance of 100 cd/m2, and a contrast ratio of 100:1 or better has been developed using organic LED devices. The display provides high luminance, high visibility, and wide viewing angle.
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Wakimoto et al. (1997) studied this question.
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