Booster circuit, semiconductor device, and display device

Details Booster circuit, semiconductor device, and display device Booster circuit, semiconductor device, and display device

2004-06-03

2009-06-30

Awad, Amr (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Display power source

Reexamination Certificate

active

07554537

ABSTRACT:
A booster circuit including first to Mth power supply lines (M is an integer larger than 3) and first and second charge-pump circuits. Each of the charge-pump circuit has first to (M−2)th boost capacitors, wherein the jth boost capacitor (1≦j≦M−2, j is an integer) is connected between the jth power supply line and the (j+1)th power supply line in a first period and is connected between the (j+1)th power supply line and the (j+2)th power supply line in a second period subsequent to the first period. Each of the charge-pump circuits generates a boosted voltage by a charge-pump operation in different phases.

REFERENCES:
patent: 6459330 (2002-10-01), Yasue
patent: 2002/0105510 (2002-08-01), Tsuchiya
patent: 06-351229 (1994-12-01), None
patent: 2000-330085 (2000-11-01), None
patent: A 2001-211635 (2001-08-01), None
patent: 2003-111386 (2003-04-01), None
patent: 2003-132679 (2003-05-01), None
patent: 2003-164142 (2003-06-01), None

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