Abstract
| Original language | Undefined |
|---|---|
| Pages (from-to) | 011908 |
| Journal | Biomicrofluidics |
| Volume | 10 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Feb 2016 |
Keywords
- EWI-27566
- IR-103188
- METIS-321670
Cite this
}
Two-phase microfluidics in electrowetting displays and its effect on optical performance. / He, Tao; Jin, Mingliang; Eijkel, Jan C.T.; Zhou, Guofu; Shui, Lingling.
In: Biomicrofluidics, Vol. 10, No. 1, 02.2016, p. 011908.Research output: Contribution to journal › Article › Academic › peer-review
TY - JOUR
T1 - Two-phase microfluidics in electrowetting displays and its effect on optical performance
AU - He, Tao
AU - Jin, Mingliang
AU - Eijkel, Jan C.T.
AU - Zhou, Guofu
AU - Shui, Lingling
N1 - 10.1063/1.4941843
PY - 2016/2
Y1 - 2016/2
N2 - Driving microfluidic flow in micropixels by electrowetting to realize light switches and displays is of both practical and fundamental significance. The electro-optical performance related to microfluidic behavior needs to be clarified to optimize device functions. In this article, the microfluidic performance in electrowetting display devices was categorized according to the oil-water interface shape and response. The oil film movement was divided into vertically "thinning" and transversally "opening," for which the "thinning" process was found the key factor determining the pixel switching speed rather than the "opening" process. Therefore, the breakup point and the oil film thickness were critical, which could be controlled by surface wettability and oil volume. We have also realized a new oil filling method with controllable dosing volume assisted by the microfluidic creation of microdroplets. This study could help quantitatively understand electrowetting display performance in both its theoretical and practical aspects.
AB - Driving microfluidic flow in micropixels by electrowetting to realize light switches and displays is of both practical and fundamental significance. The electro-optical performance related to microfluidic behavior needs to be clarified to optimize device functions. In this article, the microfluidic performance in electrowetting display devices was categorized according to the oil-water interface shape and response. The oil film movement was divided into vertically "thinning" and transversally "opening," for which the "thinning" process was found the key factor determining the pixel switching speed rather than the "opening" process. Therefore, the breakup point and the oil film thickness were critical, which could be controlled by surface wettability and oil volume. We have also realized a new oil filling method with controllable dosing volume assisted by the microfluidic creation of microdroplets. This study could help quantitatively understand electrowetting display performance in both its theoretical and practical aspects.
KW - EWI-27566
KW - IR-103188
KW - METIS-321670
U2 - 10.1063/1.4941843
DO - 10.1063/1.4941843
M3 - Article
VL - 10
SP - 011908
JO - Biomicrofluidics
JF - Biomicrofluidics
SN - 1932-1058
IS - 1
ER -