Journal
FRONTIERS IN PHYSICS
Volume 9, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fphy.2021.728804
Keywords
electrowetting displays; driving waveform; charge trapping; response time; aperture ratio
Categories
Funding
- Guangdong Basic and Applied Basic Research Foundation [2020A1515010420, YLZY202001]
- Key Research Platforms and Research Projects in Universities and Colleges of Guangdong Provincial Department of Education [2018KQNCX334]
- Zhongshan Innovative Research Team Program [180809162197886]
- Guangdong Provincial Key Laboratory of Optical Information Materials and Technology [2017B030301007]
- Project for Innovation Team of Guangdong University [2018KCXTD033]
- National Key R&D Program of China [2018YFB0407100-02]
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Electrowetting display (EWD) is a promising technology in new electronic paper technologies, combining the advantages of electrophoretic display (EPD) technology with color video playback capabilities. The driving waveform, as a key technology, plays a crucial role in determining the display effect of pixels.
Electrowetting display (EWD) is the most potential technology among new electronic paper technologies. It not only has the advantages of electrophoretic display (EPD) technology but also can realize color video playback. Therefore, this technology has been widely studied in recent years. Driving waveform is a voltage sequence which can drive pixels to display gray scales in EWDs. As one of the key technologies, it directly affects the display effect of pixels. In this paper, we give a review of the display principle of EWDs and the research status of driving waveforms. At the same time, the contact angle hysteresis, charge trapping, and oil splitting are also reviewed, which can provide a reference value for designing driving waveforms.
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