Apparatus and method of driving display device

Details Apparatus and method of driving display device Apparatus and method of driving display device

2006-12-19

2006-12-19

Nguyen, Jimmy H. (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S690000

Reexamination Certificate

active

07151517

ABSTRACT:
Grays of input image signals in a set of input three-color image signals are compared to determine a maximum input gray (Max), a middle input gray (Mid), and a minimum input gray (Min) among the input image signals and to assign an order index to the signal set. The Max, Mid, and Min are gamma-converted into Γ(Max), Γ(Mid), and Γ(Min), respectively, and a maximum output gray (Max′), a middle output gray (Mid′), a minimum output gray (Min′), and an output white signal (W′) are determined. The four color image signals are generated from the Max′, Mid′, Min′, and W′ based on the order index.

REFERENCES:
patent: 6724934 (2004-04-01), Lee et al.
patent: 6750874 (2004-06-01), Kim
patent: 6897876 (2005-05-01), Murdoch et al.

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