Backlight module of a liquid crystal display, display device, method of improving color gamut of a display device
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United States of America Patent
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Feb 3, 2009
Grant Date -
Jul 26, 2007
app pub date -
Jan 26, 2006
filing date -
Jan 26, 2006
priority date (Note) -
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Abstract
A cut filter is used in a backlight module or a display device and positioned over the light source to filter off a part of the light comprising an overlap of at least two of the red light, the green light, and the blue light. By filtering off the overlapping part of light emitted from the light source to obtain a purer primary color light, the display device equipped with a conventional color filter can attain an improved color gamut.
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