Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2011-07-19
2011-07-19
Mengistu, Amare (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C315S169300
Reexamination Certificate
active
07982692
ABSTRACT:
An active matrix substrate is provided which does not cause reductions in the brightness of electroluminescence elements, and which comprises appropriate peripheral circuitry occupying a small area. The active matrix substrate comprises peripheral circuits to supply current to EL elements provided for each pixel, and corresponding to EL elements, and further comprises a holding element (C) which holds a control voltage, a first active element (T1) connected to the holding element (C) and which supplies current to a light-emitting portion (OLED) based on a control voltage, and a second active element (T2) connected to the holding element (C) and which controls the charging and discharging of the holding element. In particular, the second active element (T2) is configured as a multiple-control-terminal type active element. As a result, there are no fluctuations in the programmed current.
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Office Action issued Feb. 8, 2011 in U.S. Appl. No. 12/917,885.
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Bolotin Dmitriy
Mengistu Amare
Oliff & Berridg,e PLC
Seiko Epson Corporation
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