Apparatus and method for driving liquid crystal display device
AssigneeLG. Philips LCD Co., Ltd.
InventorsSeong Gyun Kim, Nam Yong Kong
Life of this patent
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Abstract
An apparatus for driving a liquid crystal display device is provided. The apparatus includes a converter for detecting a motion vector from externally input source data, converting one frame of an input original image of the input source data into at least two conversion frames, filtering images of the at least two conversion frames according to the motion vector, and generating modulated data; a gate driver for supplying a scan signal to the gate lines; and a data driver for converting the modulated data into an analog video signal and supplying the analog video signal to the data lines.
Claims66
An apparatus for driving a liquid crystal display device including an image display unit including liquid crystal cells, a plurality of gate lines and a plurality of data lines, the apparatus comprising:
- a converter for detecting a motion vector from externally input source data, converting one frame of an input original image of the input source data into at least two conversion frames, filtering images of the at least two conversion frames according to the motion vector, and generating modulated data;
- a gate driver for supplying a scan signal to the gate lines;
- and
- a data driver for converting the modulated data into an analog video signal and supplying the analog video signal to the data lines.
A method for driving a liquid crystal display device having an image display unit for displaying an image, the method comprising:
- detecting a motion vector from externally input source data, converting one frame of an input original image into at least two conversion frames, filtering images of the at least two conversion frames according to the motion vector, and generating modulated data;
- supplying a scan signal to the gate lines;
- and
- converting the modulated data into an analog video signal in synchronization with the scan signal and supplying the analog video signal to the data lines.
A converter for a driver driving a liquid crystal display device, comprising:
- a first gamma correcting unit for gamma-correcting input source data in one frame and generating first data;
- a brightness/color separating unit for dividing the first data into a brightness component and a color component;
- and
- an image modulating unit for detecting the motion vector from the brightness component, converting the brightness component of the one frame into at least two conversion frames, and filtering the images of the at least two conversion frames according to the motion vector, and generating modulated brightness component based on the filtered images of the at least two conversion frames.
A liquid crystal display device comprising:
- an image display unit including liquid crystal cells, a plurality of gate lines and a plurality of data lines;
- a converter for detecting a motion vector from externally input source data, converting one frame of an input original image of the input source data into at least two conversion frames, filtering images of the at least two conversion frames according to the motion vector, and generating modulated data;
- a gate driver for supplying a scan signal to the gate lines;
- and
- a data driver for converting the modulated data into an analog video signal and supplying the analog video signal to the data lines.
Dependencies are inferred from the claim text.