Liquid crystal display and gate modulation method thereof

Details Liquid crystal display and gate modulation method thereof Liquid crystal display and gate modulation method thereof

2011-08-23

2011-08-23

Tran, My-Chau T (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S087000, C345S092000

Reexamination Certificate

active

08004485

ABSTRACT:
A gate modulation circuit is provided. A comparator compares a triangular wave voltage of a capacitor with a second reference voltage. If the triangular wave voltage of the capacitor exceeds the second reference voltage, a conduction path is turned off. A comparator controls desired discharge to a capacitor through a discharge resistor. Based on the discharge, power voltage (high level power voltage of the scanning driver) provided to the scanning driver is modulated, and outputted from the gate modulation circuit to the scanning driver as high level power voltage of the scanning driver.

REFERENCES:
patent: 5398043 (1995-03-01), Takeda et al.
patent: 06110025 (1994-04-01), None
patent: 3406508 (1999-10-01), None

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