LED display
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United States of America Patent
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May 31, 2016
Grant Date -
Oct 22, 2015
app pub date -
May 31, 2013
filing date -
Nov 29, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A Light-Emitting Diode (LED) display includes: an LED display panel; and a display driving circuit, including a switching circuit and a control circuit, wherein the switching circuit comprises first and second switching sub-circuits; the first switching sub-circuit includes one or more field effect transistors; the second switching sub-circuit includes one or more field effect transistors; the control circuit includes a power supply control circuit connected with a third end of the switching circuit through a power supply control port. The switching circuit and the control circuit are integrated in the display driving circuit, and the two switching sub-circuits control the power supply of R/G/B LEDs in an LED particle array with M lines and N columns in the LED display panel respectively, so that the effects of small PCB area occupied by the control circuit, simple design, high refresh rate and low power consumption of the LED display are achieved.
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