Active-matrix display, the emitters of which are supplied by...

Details Active-matrix display, the emitters of which are supplied by... Active-matrix display, the emitters of which are supplied by...

2006-04-13

2009-06-16

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S076000, C345S092000, C345S100000, C315S169100

Reexamination Certificate

active

07548222

ABSTRACT:
The display comprises an array of pixel circuits each comprising an emitter1in series with a current modulation transistor, and at least one address circuit, which integrates, for each column, a differential amplifier and a passive element preferably a resistive element, which cooperate with the current modulation transistors so as to form, during address phases in which the emitters are switched “out of the circuit”, a voltage-programmable current generator. After the address phases, thanks to a suitable switch, the emitters are switched “into the circuit” and supplied with the preprogrammed current. Such a display allows the image display quality to be inexpensively improved.

REFERENCES:
patent: 7126518 (2006-10-01), Tsuchi
patent: 7176910 (2007-02-01), Tsuchi
patent: 2001/0030888 (2001-10-01), Chang
patent: 2002/0018059 (2002-02-01), Yanagi et al.
patent: 2003/0030603 (2003-02-01), Shimoda
patent: 2004/0263504 (2004-12-01), Kato
patent: 2005/0017190 (2005-01-01), Eversmann et al.
patent: 2005/0035811 (2005-02-01), Shin
patent: 2005/0073358 (2005-04-01), Nakahira
patent: 2005/0088329 (2005-04-01), Tsuchi
patent: 2005/0219097 (2005-10-01), Atriss et al.

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