A high integration electrowetting displays system based on AC driving model

As a representative of new reflective display technology, the electrowetting display (EWD) has been widely accepted for its good advantages in power consumption control and display contrast. Because of charge trapping and contact angle hysteresis, static images cannot be maintained and afterimage ph...

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Main Authors: Shixiao Li, Yijian Xu, Zhiyu Zhan, Linwei Liu, Pengfei Bai
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-10-01
Series:Frontiers in Physics
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fphy.2022.1033076/full
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author Shixiao Li
Yijian Xu
Zhiyu Zhan
Linwei Liu
Pengfei Bai
author_facet Shixiao Li
Yijian Xu
Zhiyu Zhan
Linwei Liu
Pengfei Bai
author_sort Shixiao Li
collection DOAJ
description As a representative of new reflective display technology, the electrowetting display (EWD) has been widely accepted for its good advantages in power consumption control and display contrast. Because of charge trapping and contact angle hysteresis, static images cannot be maintained and afterimage phenomenon occurs, respectively. These problems seriously affect the EWDs display effect. In order to improve the video display effect of EWDs, an alternating current (AC) driving model was proposed in this paper. Firstly, a high integration EWDs system was built with Xilinx field programmable gate array (FPGA). Secondly, an asymmetric intermediate frequency (IF) AC driving model was proposed to eliminate the afterimage of the video. Finally, the optimized driving method was applied to the EWDs system to achieve a high-smooth display output. The experimental results showed that the problem of afterimage and the problem of static image preserving display were effectively solved. Compared with the traditional AC driving waveform, the maximum reflected luminance of the proposed method was increased by 14%, and the refresh rate of EWDs could reach 60 Hz.
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spelling doaj.art-3cf3b2a33b38423e8edc0c2cee26dc1e2022-12-22T04:13:35ZengFrontiers Media S.A.Frontiers in Physics2296-424X2022-10-011010.3389/fphy.2022.10330761033076A high integration electrowetting displays system based on AC driving modelShixiao LiYijian XuZhiyu ZhanLinwei LiuPengfei BaiAs a representative of new reflective display technology, the electrowetting display (EWD) has been widely accepted for its good advantages in power consumption control and display contrast. Because of charge trapping and contact angle hysteresis, static images cannot be maintained and afterimage phenomenon occurs, respectively. These problems seriously affect the EWDs display effect. In order to improve the video display effect of EWDs, an alternating current (AC) driving model was proposed in this paper. Firstly, a high integration EWDs system was built with Xilinx field programmable gate array (FPGA). Secondly, an asymmetric intermediate frequency (IF) AC driving model was proposed to eliminate the afterimage of the video. Finally, the optimized driving method was applied to the EWDs system to achieve a high-smooth display output. The experimental results showed that the problem of afterimage and the problem of static image preserving display were effectively solved. Compared with the traditional AC driving waveform, the maximum reflected luminance of the proposed method was increased by 14%, and the refresh rate of EWDs could reach 60 Hz.https://www.frontiersin.org/articles/10.3389/fphy.2022.1033076/fullhigh integrationelectrowetting display (EWD)intermediate frequency (IF)asymmetricalternating current (AC)
spellingShingle Shixiao Li
Yijian Xu
Zhiyu Zhan
Linwei Liu
Pengfei Bai
A high integration electrowetting displays system based on AC driving model
Frontiers in Physics
high integration
electrowetting display (EWD)
intermediate frequency (IF)
asymmetric
alternating current (AC)
title A high integration electrowetting displays system based on AC driving model
title_full A high integration electrowetting displays system based on AC driving model
title_fullStr A high integration electrowetting displays system based on AC driving model
title_full_unstemmed A high integration electrowetting displays system based on AC driving model
title_short A high integration electrowetting displays system based on AC driving model
title_sort high integration electrowetting displays system based on ac driving model
topic high integration
electrowetting display (EWD)
intermediate frequency (IF)
asymmetric
alternating current (AC)
url https://www.frontiersin.org/articles/10.3389/fphy.2022.1033076/full
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