Display apparatus, display method, liquid crystal driver...

Details Display apparatus, display method, liquid crystal driver... Display apparatus, display method, liquid crystal driver...

2008-05-27

2008-05-27

Tran, My-Chau T. (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Controlling the condition of display elements

C345S030000, C345S050000, C345S055000, C345S087000, C345S204000

Reexamination Certificate

active

07379059

ABSTRACT:
A display apparatus displays information by changing a state of cholesteric liquid crystal with a first driver applying a bipolar voltage to the first electrode, and a second driver for applying a bipolar voltage to the second electrode, the bipolar voltage being of inverted characteristics of the bipolar voltage to be applied to the first electrode. The display apparatus includes a controller controlling the first driver to apply the bipolar voltage to the first electrode a plurality of times in a predetermined period and controlling the second driver to apply to the second electrode the bipolar voltage of the inverted characteristics of the bipolar voltage to be applied to the first electrode, at a same timing as an application of the bipolar voltage to the first electrode, whereby changing a state of cholesteric liquid crystal of a predetermined pixel to a predetermined state.

REFERENCES:
patent: 6278429 (2001-08-01), Ruth et al.
patent: 6602563 (2003-08-01), Kobayashi et al.
patent: 6812913 (2004-11-01), Masazumi et al.
patent: 6911965 (2005-06-01), Miller, IV
patent: 2003/0174112 (2003-09-01), Jones
patent: 2006/0267890 (2006-11-01), Odake et al.

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