Results 31 to 40 of about 700 (166)

Model and characterization for dynamic non-uniform pixel capacitance in electrowetting displays

Results in Physics, 2023
Electrowetting display (EWD) is a new reflective display device that has the advantages of fast response speed, low power consumption, and video playback. The pixel capacitance of EWDs changes with the flow of internal liquid during the pixel-on process,
Shufa Lai, Diguo Zhai, Taiyuan Zhang, Linwei Liu, Zichuan Yi, Dong Yuan, Biao Tang, Guofu Zhou   +7 more
doaj   +2 more sources

A Driving System for Fast and Precise Gray-Scale Response Based on Amplitude–Frequency Mixed Modulation in TFT Electrowetting Displays [PDF]

Micromachines, 2019
The gray-scale display which is driven by PWM (pulse width modulation) in TFT (thin film transistor) electrowetting displays (EWDs) has some shortcomings, such as large amplitude of oil oscillation in pixels and slow response speed for displaying gray ...
Zichuan Yi, Linwei Liu, Li Wang, Wei Li, Lingling Shui, Guofu Zhou   +5 more
doaj   +2 more sources

Polarity-Dependent Driving Scheme for Suppressing Oil Film Splitting in Electrowetting Displays [PDF]

Micromachines
Electrowetting displays (EWDs) face challenges such as oil film splitting and luminance fluctuations, hindering stable display performance. This study employed a high-precision three-dimensional simulation model to investigate and validate oil film ...
Jiashuai Wang, Xianyue Wu, Yibin Lin, Zichuan Yi, Mouhua Jiang, Yiting Rui, Liangyu Li, Li Wang, Xiuxiu Li, Liming Liu, Guofu Zhou   +10 more
doaj   +2 more sources

A driving method for gray scale multiplication of electrowetting display based on hybrid modulation [PDF]

Frontiers in Physics
In order to solve the problem of low gray level due to the few driving chips developed based on the photoelectric characteristics of electrowetting display, a driving method based on modulation is proposed to double the gray level of electrowetting ...
Ting Mei, Ting Mei, Zhixian Lin, Zhixian Lin, Zhixian Lin, Ziyu Xie, Ziyu Xie, Shanling Lin, Shanling Lin, Bipeng Cai, Bipeng Cai, Mingzhen Chen, Mingzhen Chen, Tailiang Guo, Tailiang Guo   +14 more
doaj   +2 more sources

Driving Waveform Design with Rising Gradient and Sawtooth Wave of Electrowetting Displays for Ultra-Low Power Consumption [PDF]

Micromachines, 2020
As a kind of paper-like display technology, power consumption is a very important index for electrowetting displays (EWDs). In this paper, the influence of driving waveforms on power consumption of the EWDs is analyzed, and a driving waveform with rising
Wei Li, Li Wang, Taiyuan Zhang, Shufa Lai, Linwei Liu, Wenyao He, Guofu Zhou, Zichuan Yi   +7 more
doaj   +2 more sources

Design of an AC Driving Waveform Based on Characteristics of Electrowetting Stability for Electrowetting Displays [PDF]

Frontiers in Physics, 2020
In traditional electrowetting display (EWD) drivers, direct current (DC) voltage and pulse width modulation are often used, which easily caused an electrowetting charge trapping phenomenon in a hydrophobic insulating layer. Therefore, the driving voltage
Linwei Liu, Zhuoyu Wu, Li Wang, Taiyuan Zhang, Wei Li, Shufa Lai, Pengfei Bai   +6 more
doaj   +2 more sources

Filling model of oil and polar liquid for electrowetting displays based on phase change

Frontiers in Physics, 2022
Reflective displays have recently attracted more and more attention because of the advantages of low power consumption and eye protection. Among them, electrowetting display (EWD) is the most potential reflective display technology due to its full color ...
Hongwei Jiang, Rongzhen Qian, Wenwen Chen, Rui Zhou, Guofu Zhou, Guofu Zhou   +5 more
doaj   +2 more sources

Non-aqueous electrowetting liquid lens with centimeter-level large aperture based on dielectric failure suppression principle [PDF]

Light: Science & Applications
Liquid lens offers a novel approach to achieving large depth of field, wide viewing angle, high speed, and high-quality imaging in zoom optical systems.
You-Ran Zhao, Zhao-Song Li, Yi Zheng, Di Wang, Xiao-Ke Lu, Yu-Cheng Lin, Hao-Ran Zhang, Chao Liu, Qiong-Hua Wang   +8 more
doaj   +2 more sources

Influence of Oil Viscosity on Hysteresis Effect in Electrowetting Displays Based on Simulation. [PDF]

Micromachines (Basel)
Li W, Liu L, Zhang T, Tian L, Wang L, Xu C, Lu J, Yi Z, Zhou G.   +8 more
europepmc   +3 more sources

Toward Suppressing Charge Trapping Based on a Combined Driving Waveform with an AC Reset Signal for Electro-Fluidic Displays

Membranes, 2022
Digital microfluidic technology based on the principle of electrowetting is developing rapidly. As an extension of this technology, electro-fluidic displays (EFDs) have gradually become a novel type of display devices, whose grayscales can be displayed ...
Zhengxing Long, Zichuan Yi, Hu Zhang, Liming Liu, Lingling Shui   +4 more
doaj   +1 more source