Patent ID: 7839368
Filing Date: 2010-11-23
Classification: G09G

Abstract:
1. An apparatus for generating a modified overdriving value corresponding to a modified overdriving voltage for application to a pixel of a flat panel display, the apparatus comprising: an outside environment sensor unit for detecting at least an environment parameter, the outside environment sensor unit having a heat-sensitive resistor, a linear resistor, and an analog-to-digital converting unit, wherein the heat-sensitive resistor and the linear resistor are connected in series between a voltage source and ground, with a temperature in analog form output at the electrical connection between the heat-sensitive resistor and the linear resistor, and the temperature in analog form is converted into a temperature in digital form; and an adjustment module, electrically coupled with the outside environment sensor unit, receiving an initial grayscale value and a target grayscale value of the pixel and generating the modified overdriving value according to the initial grayscale value and the target grayscale value and further according to the environment parameter transmitted thereto in digital form by the outside environment sensor unit, the adjustment module comprising: a storage unit for saving multiple sets of slopes and selecting a set of slopes according to the target grayscale value, wherein each set of slopes is obtained by a regression analysis of the target grayscale value and the initial grayscale value; and a calculation unit, electrically coupled with the storage unit for receiving the selected set of slopes, calculating coefficients required for the predefined function according to the selected set of slopes, the initial grayscale value and the target grayscale value, receiving the environment parameter, and substituting the coefficients and the environment parameter into the predefined function to generate the modified overdriving value.