Patent ID: 7928969

Claim:
An image display apparatus comprising: a plurality of pixels having an electron-emitting device and a light emitting region that emits light when an electron emitted from the electron-emitting device enters therein, respectively; a spacer for maintaining a space between the electron-emitting device and the light emitting region; a first conversion circuit for converting an image signal; a second conversion circuit for converting output of the first conversion circuit; a correction value calculation circuit for calculating a correction value on the basis of output of the second conversion circuit; a correction value adjustment circuit for adjusting the correction value on the basis of output of the first conversion circuit and outputting the adjusted correction value; and a correction value addition circuit for correcting output of the first conversion circuit by the adjusted correction value; wherein the first conversion circuit performs conversion such that a linearity between output of the first conversion circuit and a luminance to be displayed becomes higher than a linearity between the image signal and the luminance to be displayed; the second conversion circuit is a circuit such that a linearity between output of the second conversion circuit and the amount of electron to be emitted is higher than a linearity between output of the first conversion circuit and the amount of electron to be emitted; the spacer is located on a position where an electron directed from a light emitting region of a first pixel toward a light emitting region of a second pixel is blocked; the correction value calculation circuit calculates a correction value corresponding to the second pixel on the basis of the output corresponding to the first pixel in the output of the second conversion circuit; and the correction value is a value that can reduce a difference between a luminance of the second pixel and a luminance of a pixel that is located separately from the spacer further than the second pixel.