Apparatus for supplying gray level compensating voltage

In a liquid crystal display device having a driving integrated circuits mounted on a liquid crystal panel, an apparatus for supplying a gray level compensating voltage, comprising:

• a main gamma compensating signal line being defined on said liquid crystal panel for receiving a main gamma compensating voltage;
• a plurality of nodes defined on said liquid crystal panel;
• a plurality of connectors for cascade-connecting said plurality of nodes to said main gamma compensating signal line and for generating divided voltages having different voltage levels at said plurality of nodes;
• and
• a plurality of branches for outputting voltages on said plurality of nodes and said main gamma compensating signal line into said driving integrated circuit as gamma compensating voltages.

A display device comprising:

• a) a first substrate having a first prescribed dimension;
• b) a second substrate having a second prescribed dimension, said second substrate being placed in opposition to said first substrate and said first prescribed dimension being greater than said second prescribed dimension such that said second dimension defines a display area region, and a first side pad region being defined by boundaries of said first and second dimensions;
• c) a plurality of display cells formed on the display area region and between said first and second substrates;
• d) a plurality of first driving circuits formed on said first side pad region, said first driving circuits selecting corresponding display cells for displaying an image;
• and
• e) a compensation circuit formed on said first side pad region, said compensation circuit having:
• (1) a first conductive line for receiving a first compensation voltage, and
• (2) a plurality of conductive patterns, each conductive pattern being coupled to said first conductive line and a corresponding first driving circuit, wherein each conductive pattern includes:
• (i) a plurality of connection nodes coupled to the corresponding first driving circuit, and
• (ii) a plurality of second conductive lines, said plurality of second conductive lines coupling said plurality of connection nodes in series to said first conductive line such that a plurality of second compensation voltages, which are different from each other, are provide at said plurality of connection nodes, respectively.

A layout pattern for compensating a gamma characteristic of a liquid crystal display panel, comprising:

• (a) a first conductive line for receiving a first compensation voltage;
• and
• (b) a plurality of conductive patterns coupled to said first conductive line, wherein each conductive pattern includes:
• a plurality of connection nodes, and
• a plurality of second conductive lines, said plurality of second conductive lines coupling said plurality of connection nodes in series to said first conductive line such that a plurality of second compensation voltages, which are different from each other, are provide at said plurality of connection nodes, respectively.