Power supply device of LCD module, LCD module of regulating working voltage and method of regulating power supply of LCD module
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United States of America Patent
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N/A
Issued Date -
Sep 15, 2005
app pub date -
Mar 15, 2004
filing date -
Mar 15, 2004
priority date (Note) -
Abandoned
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Abstract
A power supply device of an LCD module, an LCD module of regulating working voltage and a method of regulating power supply of an LCD module are provided. The LCD module of regulating working voltage includes a power micro-regulating apparatus of an LCD module, an LCD display panel, a column driving circuit and a row driving circuit. A voltage following device is electrically connected to a second end of a plurality of dividing resistors. A regulating voltage is input to the dividing resistors via the second end to regulate a plurality of output working voltages. The cost of the LCD module product is cheaper and the output working voltage is easily regulated. The power supply device can be applied to all LCD module having different specifications. The circuit of the power supply device is simple and can be well easily controlled.
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