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Driving Waveform Design Based on Response Latency Analysis of Electrophoretic Displays

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3 Author(s)
Wen-Chung Kao ; Dept. of Appl. Electron. Technol., Nat. Taiwan Normal Univ., Taipei, Taiwan ; Wei-Te Chang ; Jia-An Ye

The display quality, as well as the speed of electrophoretic displays (EPDs), is highly affected by the design of driving waveforms. A typical driving waveform contains the phases of image erase, particle activation, and driving each pixel to the target gray level. Due to the difficulty of modeling a complete EPD device, the designers still lack a systematic approach to driving waveform design. In this paper, we study the property of the viscosity of the suspension, characterize the response latency of the device, and propose a new driving waveform. The experimental results show that the proposed approach can effectively reduce driving time while still maintaining good image quality.

Published in:

Display Technology, Journal of  (Volume:8 ,  Issue: 10 )