Aging compensation method for liquid crystal display device, aging compensation apparatus for liquid crystal display device, computer program, and liquid crystal display device
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United States of America Patent
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Issued Date -
Apr 26, 2007
app pub date -
Nov 17, 2004
filing date -
Nov 19, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A liquid crystal display device includes a liquid crystal display panel which is driven by liquid crystal drive output signals according to input image input signals Sin respectively corresponding to plural colors and displays a desired display image Lim, a backlight unit as a light source for transmitted light (display image Lim) from the liquid crystal display panel, a microcomputer which executes various kinds of control and processing (arithmetic operations, driving, etc.), a liquid crystal drive circuit, a backlight drive circuit, and luminance sensors (white luminance sensor, red luminance sensor, green luminance sensor and blue luminance sensor). An aging-originated change (aging change) in the display characteristics of the liquid crystal display device is automatically compensated for.
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