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The vacuum thermal evaporation (VTE) patterning technique using linear type evaporation sources has 3μm of minimum shadow distance so that the high resolution (577ppi, 2K QHD) AMOLED can be manufactured. However, there is a shadow limitation of the neighboring patterns overlapped when manufacturing the ultra‐high resolution (800ppi, 4K UHD) AMOLED. The plane source VTE shows recently of 1.1μm~1.3μm...