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(WO/2007/096811) DRIVING AN IN-PLANE MOVING PARTICLE DEVICE

(WO/2007/096811) DRIVING AN IN-PLANE MOVING PARTICLE DEVICE

Latest bibliographic data on file with the International Bureau
Pub. No.:  WO/2007/096811   International Application No.:  PCT/IB2007/050486
Publication Date:30.08.2007 International Filing Date:14.02.2007
IPC: G09G 3/34 (2006.01)
Applicants:KONINKLIJKE PHILIPS ELECTRONICS N.V. [NL/NL]; Groenewoudseweg 1, NL-5621 BA Eindhoven (NL) (All Except US).
GILLIES, Murray, F. [GB/NL]; (NL) (US Only).
VERSCHUEREN, Alwin, R., M. [NL/NL]; (NL) (US Only).
JOHNSON, Mark, T. [GB/NL]; (NL) (US Only).
VAN DELDEN, Martinus, H., W., M. [NL/NL]; (NL) (US Only).
Inventors:GILLIES, Murray, F.; (NL).
VERSCHUEREN, Alwin, R., M.; (NL).
JOHNSON, Mark, T.; (NL).
VAN DELDEN, Martinus, H., W., M.; (NL).
Agent:SCHOUTEN, Marcus, M. et al.; Prof. Holstlaan 6, NL-5656 AA Eindhoven (NL).
Priority Data:
06110430.3 27.02.2006 EP
Title: DRIVING AN IN-PLANE MOVING PARTICLE DEVICE
Abstract: An in-plane driven moving particle device comprises a first substrate (SUl) and an moving particle material (EM) comprising charged particles (PA), a first electrode (RE) and a second electrode (GE; DE), both arranged on the first substrate (SUl) for generating a predominantly in-plane electrical field in the moving particle material (EM), and a driver (DR). The driver (DR) supplies, during a transition phase wherein an optical state of the moving particle material (EM) has to change, a first voltage (VR) to the first electrode (RE), and a second voltage (VG; VDl) to the second electrode (GE; DE). Both the first voltage (VR) and the second voltage (VG; VDl) comprise a sequence of a plurality of predetermined levels having predetermined durations, and wherein the first voltage (VR) and/or the second voltage (VG; VDl) have a non-zero average level. The levels, durations and average level are selected for allowing the particles (PA) to move between the first electrode (RE) and second electrode (GE; DE) in opposite directions to change the optical state a plurality of times in opposite directions during the sequence, and to obtain a net movement of the particles during the transition phase in a direction of an electrical field caused by the average level.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Org. (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (EAPO) (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (OAPI) (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language:English (EN)
Filing Language:English (EN)

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