Method of improving uniformity of brightness between pixels in electron emission panel

A method of improving uniformity of brightness between pixels in an electron emission panel comprising a plurality of pixels each comprising a first electrode and a second electrode, the method comprising:

• applying a first driving voltage to the first electrode of each of the pixels and a second driving voltage lower than the first driving voltage to the second electrode of each of the pixels to cause the pixels to emit light;
• measuring a brightness of each of the pixels;
• determining a first adjustment voltage and a second adjustment voltage higher than the first adjustment voltage for each of the pixels based on the measured brightness of a respective one of the pixels;
• and
• applying the first adjustment voltage to the first electrode and the second adjustment voltage to the second electrode.

A method of improving uniformity of brightness between pixels in an electron emission panel comprising a plurality of pixels each comprising two electrodes, the method comprising:

• respectively applying two predetermined driving voltages to the two electrodes of each of the pixels to cause the pixels to emit light;
• measuring a brightness each of the pixels;
• determining a target brightness based on the measured brightnesses of the pixels;
• and
• respectively applying two adjustment voltages to the two electrodes of each of the pixels to cause a brightness characteristic of each of the pixels to change so that the pixels will emit light having a brightness closer to the target brightness a next time the two predetermined driving voltages are respectively applied to the two electrodes of each of the pixels.

An electron emission panel comprising a plurality of pixels each comprising a first electrode and a second electrode, the pixels having respective brightness characteristics that have been adjusted to improve uniformity of brightness between the pixels by:

• applying a first driving voltage to the first electrode of each of the pixels and a second driving voltage lower than the first driving voltage to the second electrode of each of the pixels to cause the pixels to emit light;
• measuring a brightness of each of the pixels;
• determining a first adjustment voltage and a second adjustment voltage higher than the first adjustment voltage for each of the pixels based on the measured brightness of a respective one of the pixels;
• and
• applying the first adjustment voltage to the first electrode and the second adjustment voltage to the second electrode.