Patent ID: 7834836

Claim:
A flat panel display device, comprising: a display panel; a memory storing a compensation value that corresponds to a panel defect location, the panel defect location being where any one of a brightness and a color difference exists compared to other part of the display panel under same conditions; a compensating unit to adjust an image data to be displayed in the panel defect location using the compensation value; a driver to apply the adjusted the image data from the compensating unit to the display panel, wherein the compensation unit includes; an interface circuit communicating between the compensation unit and external system, a register storing the data transmitted through the interface circuit to update the memory, wherein the data are the pixel location data input from the external system and the compensation value supplied by user, a modulator reading the compensation value of each gray level at the location of the panel defect from the memory and generating the corrected data if the image data are to be supplied to the panel defect location, wherein the compensation value increases or decreases a gray level of the image data to be displayed at the panel defect location, wherein the compensation value includes an R compensation value for compensating red data, a G compensation value for compensating green data, and a B compensation value for compensating blue data, wherein the compensation value further includes a W compensation value for compensating white data, and wherein only the W compensation value is set to adjust the image data to be displayed in the panel defect location.