LIQUID CRYSTAL DISPLAY DEVICE
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United States of America Patent
Stats
-
N/A
Issued Date -
Sep 13, 2012
app pub date -
Mar 2, 2012
filing date -
Mar 7, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The liquid crystal display device is a display device, having; a display panel; a backlight having light emitting diode columns; and an LED driver IC for driving the light emitting diode columns, wherein the light emitting diode columns are formed of a number of light emitting diodes, the LED driver IC controls the voltage applied to said light emitting diode columns so that the current that flows through a light emitting diode column and is inputted into the LED driver IC is a predetermined constant current, the display device further has a current amplifying unit for amplifying the reference current inputted into the LED driver IC and allowing the amplified reference current to flow through a light emitting diode column, and the current inputted into the LED driver IC and the current amplified by the current amplifying unit flow through a light emitting diode column.
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