Image display device and color correction method used by the same
OwnerDuk-Jin LEEinventor
Life of this patent
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Abstract
Embodiments may be directed to an image display device and a color correction method. An image display device may include a display unit displaying an image according to an image signal; a sensor unit measuring a spectrum of external light incident on the display unit; and a correction signal providing unit estimating an adapted primary color spectrum perceived by a viewer using spectral reflectivity of the display unit, a maximum level primary color spectrum of the display unit, and the spectrum of external light, and providing a correction signal for correcting the image signal based on the adapted primary color spectrum.
Claims12
An image display device, comprising:
- a display unit displaying an image according to an image signal;
- a sensor unit measuring a spectrum of external light incident on the display unit;
- and
- a correction signal providing unit estimating an adapted primary color spectrum perceived by a viewer using spectral reflectivity of the display unit, a maximum level primary color spectrum of the display unit, and the spectrum of external light, and providing a correction signal for correcting the image signal based on the adapted primary color spectrum.
A color correction method used by an image display device, the method comprising:
- measuring, in real time, a spectrum of external light incident on a display unit;
- estimating an adapted primary color spectrum perceived by a viewer using spectral reflectivity of the display unit, a maximum level primary color spectrum of the display unit, and the spectrum of external light;
- and
- providing a correction signal for correcting an image signal based on the adapted primary color spectrum,
- wherein the display unit displays an image according to the image signal.
Dependencies are inferred from the claim text.