Driving method of electrophoretic display

Details Driving method of electrophoretic display Driving method of electrophoretic display

2005-05-31

2005-05-31

Dang, Hung Xuan (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C345S107000

Reexamination Certificate

active

06900924

ABSTRACT:
An electrophoretic display includes a display substrate and a rear substrate; an insulating liquid and a plurality of electrophoretic particles; a first electrode disposed along the rear substrate for each pixel; a second electrode and a third electrode which are disposed at a boundary between adjacent pixels; voltage application means for applying voltages to the first to third electrodes, the voltage application means including reset means for collecting the electrophoretic particles at a peripheral portion of an associated pixel, writing means for moving the electrophoretic particles, and write limiting means for collecting a part of the electrophoretic particles; and control means for controlling a gradation level by adjusting timing of application of the voltage for attracting the electrophoretic particles toward the first electrode by the writing means and the voltage for attracting the electrophoretic particles toward the third electrode by the write limiting means.

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E. Kishi, Y. Matsuda, Y. Uno, A. Ogawa, T. Goden, N. Ukigaya, M. Nakanishi, T. Ikeda, H. Matsuda and K. Eguchi, XP-001086658, “5.1: Development of In-Pane EPD”, 2000, SID International Symposium Digest of Technical Papers, Long Beach, CA, vol. 31, pp. 24-27.
PCT Notification of Transmittal of The International Search Report and the Written Opinion of the International Searching Authority, or the Declaration, dated May 14, 2004.

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