Data outputting method, data outputting device, liquid crystal panel driving device, and liquid crystal display device
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United States of America Patent
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Mar 16, 2010
Grant Date -
May 25, 2006
app pub date -
Nov 18, 2005
filing date -
Nov 19, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A data outputting method is provided which is capable of reducing a memory capacity of a LUT (Look-Up Table). Compressed data obtained by dropping low-order bits making up gray-level data is stored in a manner in which the compressed data can be accessed by high-order bits to be input to the LUT. High-order bits making up an address output from an address supplying unit are supplied to the LUT and low-order bits are supplied to a computing unit. The LUT outputs compressed gray-level data corresponding to the high-order bits and compressed gray-level data corresponding to data of (high-order bit+1). The computing unit outputs each of expanded gray-level data obtained by dividing data obtained by interpolation among one expanded gray-level data, another expanded gray-level data and, third expanded data for every high-order bit based on one compressed data, other compressed data, and lower-bits.
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