CPC G09G 3/344 (2013.01) [G02F 1/167 (2013.01); G02F 1/1676 (2019.01); G09G 2310/08 (2013.01)] | 20 Claims |
1. A method for driving an electronic paper display device, wherein the electronic paper display device comprises a plurality of microstructures, and a first electrode and a second electrode on two opposite sides of each of the plurality of microstructures, each of the plurality of microstructures comprises black particles, white particles and red particles, charges of the black particles and charges of the white particles have opposite conductivity, the charges of the black particles and charges of the red particles have same conductivity, a charge-to-mass ratio of the black particles is greater than a charge-to-mass ratio of the red particles, wherein
a driving stage of the electronic paper display device is started at a first shaking stage, the first shaking stage comprises a first sub-shaking stage, the driving stage of the electronic paper display device further comprises a balance stage and a display stage, and the balance stage is prior to the display stage, and
the method for driving the electronic paper display device comprises:
based on an image to be displayed, applying a first driving signal to first electrodes in macrostructures which are required to display black, applying a second driving signal to the first electrodes in the microstructures which are required to display white, and applying a third driving signal to the first electrodes in the microstructures which are required to display red, wherein the first driving signal comprises a first sub-driving signal in the first sub-shaking stage, the second driving signal comprises a second sub-driving signal in the first sub-shaking stage, the third driving signal comprises a third sub-driving signal in the first sub-shaking stage, and the first sub-driving signal, the second sub-driving signal and the third sub-driving signal each comprise a first pulse signal in which a negative voltage, a zero voltage, a positive voltage and a zero voltage are sequentially alternated in the first sub-shaking stage; and
applying a voltage signal to the second electrodes in the microstructures, wherein the voltage signal comprises an alternating second pulse signal in which a positive voltage, a zero voltage, and a negative voltage and a zero voltage are sequentially alternated in the first sub-shaking stage, and the first pulse signal applied on the first electrodes and the second pulse signal applied on the second electrodes opposite to the first electrodes are equal in an absolute value of an active voltage thereof, and are opposite to each other in voltage polarity.
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