Method of charging liquid crystal display device

Details Method of charging liquid crystal display device Method of charging liquid crystal display device

2007-07-10

2007-07-10

Patel, Nitin (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

C345S087000

Reexamination Certificate

active

10714616

ABSTRACT:
A method of charging a liquid crystal display (LCD) device that includes providing a plurality of scan lines, providing a plurality of video lines formed orthogonal to the scan lines, providing a plurality of cells, each cell including a transistor and a capacitor coupled to the transistor, each of the cells being formed at an intersection of the scan lines and video lines, providing a periodic signal for writing video data into the LCD device, charging the plurality of cells having first-type transistors during a first half cycle of the periodic signal until a first voltage level of the periodic signal is reached, charging the plurality of cells having second-type transistors during a second half cycle of the periodic signal until a second voltage level of the periodic signal is reached, and discharging the plurality of cells to a predetermined voltage level.

REFERENCES:
patent: 3891981 (1975-06-01), Torresi
patent: 6501453 (2002-12-01), Wong
patent: 7109958 (2006-09-01), Martin
patent: 2003/0034828 (2003-02-01), Matsumoto
patent: 2005/0024547 (2005-02-01), Park
patent: 2005/0134545 (2005-06-01), Jang et al.

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