Patent ID: 7852432

Claim:
A liquid crystal display (LCD) apparatus, comprising: a backlight module having a plurality of individually drivable backlight regions, a LCD module having a plurality of display blocks, wherein each of the display blocks corresponds to one of the backlight regions and is disposed on an optical path of light emitted from the corresponding backlight regions, and a power regulating module electrically connected to the backlight module and the LCD module, for receiving image frame data and controlling light-emitting intensities of the backlight regions in accordance with the image frame data to be displayed by the corresponding display blocks, the power regulating module comprising: a dividing unit for dividing the image frame data into plural image frame data blocks each according to one of the backlight regions and the respective display block; and a regulating unit electrically connected to the dividing unit, for adjusting a transmission rate of each of the pixels of each display block and the light-emitting intensity of the respective backlight region according to a ratio derived from the corresponding image frame data block; wherein each of the backlight regions has multiple light-emitting units for emitting light in different colors; each display block has a plurality of pixels, each of the pixels has multiple filter units; and a transmitted spectrum of each of the light-emitting units of the backlight regions corresponds to transmitted spectrums of at least two filter units of each of the pixels in the respective display blocks.