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Optimizing the driving panel of display to decrease the number of driving lines is of importance to high-resolution displays. Especially, it is important to address the challenge of the increasing number of row and column electrode lines. In this work, an approach for realizing the one line-to-three LEDs driving method employing the noncarrier injection (NCI) operational mode has been demonstrated, and the NCI-LEDs using discrete components are constructed. The operating characteristics and principles of the NCI-LEDs are studied. It is demonstrated that electroluminescent (EL) output states of three parallel NCI-LEDs vary with driving frequency, that is, the NCI-LEDs has frequency-selective properties. Therefore, the separate control of three LEDs under the control of a single signal line is realized, and the subpixel circuit selection of three RGB colors is realized. This driving method can effectively mitigate the complexity of the electrode wiring required by the row–column scanning, which is expected to provide important guidance for the development of high-resolution displays.
Zhang et al. (Mon,) studied this question.