LIGHT-EMITTING ELEMENT DISPLAY DEVICE
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United States of America Patent
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Issued Date -
May 3, 2012
app pub date -
Oct 25, 2011
filing date -
Oct 29, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A light-emitting element display device includes: a gray level value luminance calculation unit that calculates the luminance to a gray level value from the setting values stored in a setting value storage unit; a voltage luminance storage unit that stores the measurement result of the luminance of a light-emitting element with respect to an applied voltage, a gray level value voltage information calculation unit that calculates the relationship between the gray level value and the voltage; and a DA converter unit that outputs a voltage corresponding to each gray level value. The DA converter unit includes a first ladder resistor unit and a second ladder resistor unit each including variable resistors, a third ladder resistor unit including a number of output terminals corresponding to the number of gray levels, and a gray level value voltage information register that stores the gray level value voltage information.
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