Pixel circuit, display apparatus and electronic apparatus equipped with current driving type light-emitting device
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United States of America Patent
Stats
-
Apr 22, 2008
Grant Date -
Apr 3, 2003
app pub date -
Dec 9, 2002
filing date -
Mar 12, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A display apparatus is provided with a current driving type light-emitting device and a driving device for controlling a driving current flowing through the light-emitting device for each pixel of the display apparatus. The display apparatus consists of power source units for supplying power for causing a driving current to flow via the driving device to the light-emitting device via a power source wire, and signal wire driving units for supplying a data signal to the driving device via signal wires. In addition, voltage adjusting units adjust a voltage for the power source units or a data signal from the signal wire driving units so that a quantity of a driving current flowing through the light-emitting device when a data signal of a predetermined voltage is supplied to the driving device via signal wires or a quantity of emitted light emitted from the light-emitting device comes close to a predetermined reference value.
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