Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2007-10-30
2007-10-30
Eisen, Alexander (Department: 2609)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S087000
Reexamination Certificate
active
11099525
ABSTRACT:
A drive circuit for a flat display apparatus which may include organic EL devices is disclosed wherein the light emission characteristic can be set variously and the color adjustment can be performed with a high degree of accuracy with a simple and easy configuration. A plurality of candidate voltages from voltage dividing circuits are selected in response to original reference voltage setting data to produce original reference voltages, and reference voltages for digital to analog conversion are produced from the original reference voltages. For the original reference voltages at the opposite ends of the voltage dividing circuits, the voltages of production references are varied with rough adjustment data, and the other original reference voltages are produced with reference to the original reference voltages at the opposite ends by the voltage dividing circuits connected in series.
REFERENCES:
patent: 6762737 (2004-07-01), Kajihara et al.
patent: 2003/0201959 (2003-10-01), Sakaguchi
patent: 2004/0021627 (2004-02-01), Maki
patent: 10-333648 (1998-12-01), None
Eisen Alexander
Kananen Ronald P.
Lee Kenneth B
Rader & Fishman & Grauer, PLLC
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