Organic EL circuit

Details Organic EL circuit Organic EL circuit

2005-10-11

2005-10-11

Wu, Xiao (Department: 2674)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S082000

Reexamination Certificate

active

06954190

ABSTRACT:
Using scan (TFT1-1˜TFT1-3) data having a size of 3 bits from data lines (DATA1˜DATA3) is stored in storage capacitors (SC1˜SC3). Driving TFTs (TFT2-1˜TFT2-3) are switched fully on by the voltage of these storage capacitors (SC1˜SC3). The on/off conditions of the driving TFTs (TFT2-1˜TFT2-3) are controlled according to digital data, to control the on/off conditions of organic EL elements (EL1˜EL3) and provide brightness control.

REFERENCES:
patent: 5187578 (1993-02-01), Kohgami et al.
patent: 6429601 (2002-08-01), Friend et al.
patent: 6518941 (2003-02-01), Kimura
patent: 6556176 (2003-04-01), Okuyama et al.
patent: 2720607 (1997-11-01), None
patent: 11-073158 (1999-03-01), None
patent: 10-0215590 (1999-05-01), None
English translation of Office Action for Korean Patent Application No. 10-2002-0006971 dated Mar. 19, 2005.
Office Action for Korean Patent Application No. 10-2002-0006971 dated Feb. 27, 2004.

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