Image display apparatus

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix

Reexamination Certificate

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Details

C345S076000

Reexamination Certificate

active

07145532

ABSTRACT:
There is provided an image display apparatus having light emitting elements in its pixels, and capable of producing a high-resolution, multi-gray-scale-level display. In an embodiment of the present invention, each of pixel circuits is provided with a current limiting circuit for generating a specified drive current and a time modulation circuit for modulating a duration of time supplying the specified drive current to the light emitting element. In another embodiment of the present invention, each of pixel circuits is provided with a current limiting circuit for generating a specified drive current and a current generator circuit for generating a plurality of values of currents on the basis of the specified drive current.

REFERENCES:
patent: 6618031 (2003-09-01), Bohn et al.
patent: 6873310 (2005-03-01), Matsueda
patent: 2002/0195968 (2002-12-01), Sanford et al.
patent: 2000235370 (2000-08-01), None

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