Display flicker is an important electro-optical measure of the display quality of a thin-film-transistor liquid-crystal display (TFT LCD). Currently, displays are tuned at the factory using flicker detection equipment that is relatively expensive and bulky. This disclosure describes techniques that leverage the internal optical sensor of the display-under-test to measure display flicker. The techniques reduce factory test-fixture costs and sizes, and also simplify test procedures.
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Yang, Zhiping and Liu, Fang, "Display flicker detection using on-device optical sensor", Technical Disclosure Commons, (March 22, 2019)