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[期刊论文]

Design and implementation of electrowetting multi-gray dynamic display driving system

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author:

Shan, S.-Q. (Shan, S.-Q..) [1] | Lin, S.-L. (Lin, S.-L..) [2] | Lin, Z.-X. (Lin, Z.-X..) [3] (Scholars:林志贤) | Unfold

Indexed by:

Scopus PKU CSCD

Abstract:

In order to solve the problems of video scintillation, charge leakage and achieving dynamic multi-grayscale display on electrowetting electronic paper displays, a set of driving system was designed for the study of electrowetting electronic paper displays. First of all, this paper proposes a driving system architecture of embedded platform + FPGA based on the functions that the complete electrowetting electronic paper drive system must have, in which the embedded platform can carry out real-time image processing on the video source. And the corresponding timing control will be achieved by FPGA according to the received processed data. Next, the source gate driver chip of the existing electrophoresis electronic paper is used as the driver chip of the electrowetting electronic paper. Finally, this paper proposes the concepts of unequal subframes and reset frames to solve the problem of video flicker and charge leakage so as to achieve a better multi gray scale display. The experimental results show that the drive system successfully solves the problems of electrowetting video flicker, charge leakage and multi-grayscale display problems. The video refresh rate of the electrowetting electronic paper reaches to 30 Hz, the maximum gray level of the pixel can reach 16 gray scale and the reflectivity is close to 60% at the highest gray level. The whole drive system basically meets the dynamic display of multi grayscale. © 2018, Science Press. All rights reserved.

Keyword:

Charge leakage; Driving system; Electrowetting display; Multi grayscale dynamics; Video flashing

Community:

  • [ 1 ] [Shan, S.-Q.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350100, China
  • [ 2 ] [Lin, S.-L.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350100, China
  • [ 3 ] [Lin, Z.-X.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350100, China
  • [ 4 ] [Guo, T.-L.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350100, China

Reprint 's Address:

  • 林志贤

    [Lin, Z.-X.]College of Physics and Information Engineering, Fuzhou UniversityChina

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Source :

Chinese Journal of Liquid Crystals and Displays

ISSN: 1007-2780

Year: 2018

Issue: 3

Volume: 33

Page: 213-220

0 . 7 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 3

30 Days PV: 0

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