Bistable liquid crystal displays and the method for driving...

Details Bistable liquid crystal displays and the method for driving... Bistable liquid crystal displays and the method for driving...

2005-12-30

2009-11-03

Sanghavi, Hemang (Department: 2874)

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

C349S076000, C349S123000, C349S179000

Reexamination Certificate

active

07612835

ABSTRACT:
A bistable chiral tilted-homeotropic nematic liquid crystal (BCTHN) display can be switched between the tilted-homeotropic state (TH state) and the twisted state (T state) by using dual frequency liquid crystal material. These two states can be maintained without the application of any electric field. The bistable liquid crystal display does not need high voltage to induce the flow of liquid crystal or break the anchoring energy.

REFERENCES:
patent: 7430030 (2008-09-01), Sikharulidze
patent: 2002/0191136 (2002-12-01), Yoneya et al.
patent: 2007/0139595 (2007-06-01), Kwok et al.
Jy-Shan Hsu et al., “Bistable chiral tilted-homeotropic nematic liquid crystal cells”, Applied Physics Letters, Dec. 6, 2004, vol. 85, No. 23.

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