Patent ID: 8125473
Filing Date: 2012-02-28
Classification: G09G

Abstract:
1. A flat panel display device, comprising: a display panel having a plurality of pixels; a photo sensor detecting a brightness of the external environment of the display panel; a timing controller receiving N-bit video signals (wherein N is an integer) and the detected brightness and dividing one frame into a plurality of sub-frames, the timing controller modulating the N-bit video signals in response to the detected brightness and the number of the sub-frames; and a data driver receiving the modulated N-bit video signals from the timing controller and applying data voltages corresponding to the modulated N-bit video signals to the pixels, wherein the timing controller includes: a selection signal generator for generating a selection signal in response to the detected brightness from the photo sensor; a first data converter for converting the N-bit video signals (wherein N is an integer) into a first M-bit data (wherein M is an integer larger than N); a second data converter for converting the N-bit video signals into a second M-bit data wherein a number of gray levels of the second M-bit data are less than that of the first M-bit data; and a selector for selectively applying the N-bit video signals to any one of the first and second converters in response to the selection signal.