Active matrix display with light emitting diodes

Details Active matrix display with light emitting diodes Active matrix display with light emitting diodes

2006-07-04

2006-07-04

Eisen, Alexander (Department: 2674)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S083000, C315S169300

Reexamination Certificate

active

07071905

ABSTRACT:
A pixel element in the matrix of pixel elements includes a light emitting diode, a resistor electrically connecting to the light emitting diode, a data input, and a sensing output. The data input receives a data signal that changes a current flowing through the light emitting diode when the data input is enabled. The sensing output generates a sensing signal when the sensing output is enabled. The sensing output generates substantially no sensing signal when the sensing output is disabled. A change in a current flowing through both the light emitting diode and the resistor induces a change in the sensing signal.

REFERENCES:
patent: 6288696 (2001-09-01), Holloman
patent: 2002/0101172 (2002-08-01), Bu
patent: 2004/0100430 (2004-05-01), Fruehauf
patent: 2005/0140607 (2005-06-01), Sato et al.
patent: 2002091377 (2003-03-01), None
patent: WO 2004034364 (2004-04-01), None

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