Light emitting device, driving method of light emitting device and electronic device
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Nov 1, 2016
filing date -
Sep 21, 2001
priority date (Note) -
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Abstract
By controlling the luminance of light emitting element not by means of a voltage to be impressed to the TFT but by means of controlling a current that flows to the TFT in a signal line drive circuit, the current that flows to the light emitting element is held to a desired value without depending on the characteristics of the TFT. Further, a voltage of inverted bias is impressed to the light emitting element every predetermined period. Since a multiplier effect is given by the two configurations described above, it is possible to prevent the luminance from deteriorating due to a deterioration of the organic luminescent layer, and further, it is possible to maintain the current that flows to the light emitting element to a desired value without depending on the characteristics of the TFT.
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