Dynamic LED matrix lighting control using scanning architecture

Details Dynamic LED matrix lighting control using scanning architecture Dynamic LED matrix lighting control using scanning architecture

2006-11-24

2010-06-15

Shalwala, Bipin (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S083000, C257S088000, C257S089000, C315S161000

Reexamination Certificate

active

07737926

ABSTRACT:
This invention is a new LED back lighting architecture that each individual LED is controlled by its associated LED drive cell. The LEDs are sequentially connected one after another. A host controller transmits image displaying signals by signal scanning-flows. The current flow for controlling each LED's color lighting is by either binary current flow control or two-steps progressive current flow control.

REFERENCES:
patent: 5200763 (1993-04-01), Tanuma et al.
patent: 7294970 (2007-11-01), Yang
patent: 2008/0122764 (2008-05-01), Huang et al.

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