LCD driver device

Details LCD driver device LCD driver device

2004-09-27

2008-11-25

Chang, Kent (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S087000, C345S211000

Reexamination Certificate

active

07456818

ABSTRACT:
A display voltage generating circuit (2-1) for generating display voltages needed to drive an LCD has switches (SW1-1to SW1-5), of which each has one end connected to one of capacitors (C1to C5) for smoothing display voltages (V1to V5) and has the other end connected through one of resistors (R11to R15) to a supplied voltage (VCC). By an output from a timer (T-1), the switches are kept on for a predetermined period after electric power starts being supplied, so that the capacitors are charged with the supply voltage.

REFERENCES:
patent: 5712692 (1998-01-01), Kanagawa et al.
patent: 5859632 (1999-01-01), Ito
patent: 5867138 (1999-02-01), Moon
patent: 6275208 (2001-08-01), Park
patent: 6317120 (2001-11-01), Eu
patent: 6670935 (2003-12-01), Yeon et al.
patent: 02-102522 (1990-08-01), None
patent: 7-159754 (1995-06-01), None
patent: 11-167366 (1999-06-01), None
patent: 11-219147 (1999-08-01), None

Affiliated with

Also associated with

Rating

LCD driver device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with LCD driver device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and LCD driver device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4035878