An electrophoretic electronic paper driving device

• Main Authors: GAN SHAOJIE, ZHANG ZHI, YI ZICHUAN, SHUI LINGLING, CHI FENG, WEN YI, CHEN YONGYI, HE WENYAO, PENG BAO
• Format: Patent
• Language: Chinese; English
• Published: 21.06.2019
• Subjects: ADVERTISING; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION; CRYPTOGRAPHY; DISPLAY; EDUCATION; PHYSICS; SEALS

The invention discloses an electrophoretic electronic paper driving device. The device comprises a master control circuit, a communication interface circuit, a display interface, an interface drivingcircuit, a storage circuit and a power supply circuit. The communication interface is electrically connected with the power supply circuit and the input end of the main control circuit, the output endof the main control circuit is electrically connected with the display interface through the interface driving circuit; a double-crystal-oscillator circuit is arranged in the main control circuit; the communication interface circuit can effectively prevent external surge current from impacting the driving device; the power supply circuit has a self-oscillation inhibition function, voltage inversion of the driving device after power failure can be prevented, the interface driving circuit can provide stable working voltage and current for the electronic paper display, higher harmonics of a power supply are removed, part