Abstract

This letter proposes a high-resolution [200 (RGB) * 600, 282 PPI) flexible active matrix organic light emitting display (AMOLED) integrating a new gate driver, of which the substrate is a polyimide material. Flexible In–Zn–O thin-film transistors (TFTs) with back channel etched structure reveal a good stability at different curvature radii. The integrated gate driver employing bi-side driving method consists of seven TFTs and two capacitors with the advantages of simple topology, low power, full-swing output, and small area. The conventional 2T1C pixel circuit with top emission structure is applied to the proposed flexible AMOLED panel. And the flexible panel has a good full-color display quality without obvious defects at the bending condition. It is shown that the output signals of the proposed gate driver have no distortion and good noise suppressed characteristics even up to 600 stages and maintain stable under a long-time continuous operation up to 15 days.

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