Display apparatus and method of driving the same

Details Display apparatus and method of driving the same Display apparatus and method of driving the same

2011-03-01

2011-03-01

Tran, Henry N (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

C345S087000, C345S099000

Reexamination Certificate

active

07898536

ABSTRACT:
A display apparatus and a method of driving the same in which a selector outputs one of two high gamma values and one of two low gamma values in one frame unit in response to a selection signal. A gamma reference voltage generator outputs a high gamma reference voltage corresponding to the selected high gamma value and a low gamma reference voltage corresponding to the selected low gamma value. A data driving circuit outputs a first data voltage based on the high gamma reference voltage during a first active period and outputs a second data voltage based on the low gamma reference voltage during a second active period. Thus, a display panel may display an image using data voltages corresponding to different gamma curves in one frame unit, thereby improving visibility of the display apparatus.

REFERENCES:
patent: 6982694 (2006-01-01), Matsuzaki
patent: 7116297 (2006-10-01), Koga et al.
patent: 7176866 (2007-02-01), Teraishi
patent: 2007/0080905 (2007-04-01), Takahara

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