Liquid crystal display
AssigneeLG Electronics Inc.
InventorYong Min Ha
Life of this patent
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Abstract
A liquid crystal display apparatus time-divisionally drives data lines of a pixel matrix. The apparatus transfers output signals of at least two data driver integrated circuits to a plurality of data lines using at least two multiplexers. Further, it rearranged the video data before supplying the video data to at least two data driver integrated circuits. Accordingly, it is possible to reduce the number of the data driver integrated circuits required in the liquid crystal display apparatus and to simplify a wiring structure between the pixel matrix and the data driver integrated circuits.
Claims40
A liquid crystal display apparatus, comprising:
- a liquid crystal panel in which picture element cells are arranged at each of a plurality of intersections of a plurality of data lines with a plurality of gate lines;
- a first data driver circuit for supplying a plurality of video signals;
- a second data driver circuit for supplying a plurality of video signals;
- rearrangement means for rearranging a stream of input video data and supplying the stream of rearranged input video data to the first and second data driver circuits, the stream of input video data being different than the stream of the rearranged input video data;
- and
- a plurality of demultiplexing circuits each receiving a respective one of the video signals supplied from a respective one of the first and second data driver circuits and selectively outputting the respective video signals to a respective group of said plurality of data lines.
A liquid crystal display apparatus, comprising:
- a liquid crystal panel in which red, green, and blue picture element cells are arranged at intersections of a plurality of data lines with a plurality of gate lines, the red, green, and blue elements being repeated in horizontal axis thereof;
- a first data driver circuit for supplying a plurality of video signals;
- a second data driver circuit for supplying a plurality of video signals;
- rearrangement means for rearranging a stream of input red, green, and blue video data and supplying the stream of rearranged input video data to the first and second data driver circuits, the stream of the rearranged input video data being different than the stream of the input red, green, and blue video data;
- and
- a plurality of demultiplexing circuits each receiving a respective one of the video signals supplied from a respective one of the first and second data driver circuits and selectively outputting the respective video signal to a respective group of said plurality of data lines.
A liquid crystal display apparatus, comprising:
- a liquid crystal panel in which picture element cells are arranged at each of a plurality of intersections of n data lines with m gates lines, wherein n and m are positive integers;
- a plurality of multiplexing means, n divided by p in number, each said multiplexing means for time divisionally outputting a data signal to p of the n data lines, where p is a positive integer less than n;
- data driver circuits q in number, for applying a video signal to the plurality of multiplexing means wherein q is a positive integer;
- and
- rearrangement means for rearranging a stream of video data to be supplied for said data driver circuits.
A liquid crystal display apparatus, comprising:
- a liquid crystal panel including a pixel matrix having at least two color picture elements, a plurality of gate lines and a plurality of data lines disposed on the pixel matrix to apply a video signal to each picture element;
- a memory circuit including output buses, the memory circuit receiving data streams for respective color picture elements separately, and data streams on the respective output buses having digital video data corresponding to at least two colors of the picture elements;
- a data driver circuit for converting the digital video data into video signals to be applied to the data lines;
- and
- a plurality of demultiplexing circuits for time divisionally applying the video signals of the data driver circuit to at least two among the plurality of data lines, respectively.
Dependencies are inferred from the claim text.