Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1998-06-02
2000-08-01
Saras, Steven J.
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 98, 345100, 345204, G09G 336
Patent
active
060973625
ABSTRACT:
A liquid crystal display driver includes a shift register for shifting stored R, G and B data and outputting load signals, a first latch having a plurality of channels for holding and outputting the R, G and B data, a bit converter for converting a number of bits of each R, G and B data outputted from the first latch, a multiplexer for selectively passing voltages outputted by the bit converter upon application of the load signals outputted by the shift register, a decoder for selecting and sequentially outputting an externally supplied voltage in response to an output of the multiplexer, a demultiplexer for demultiplexing output signals of the decoder upon application of the load signals, a second latch for storing and outputting output signals of the demultiplexer,and an output buffer for transmitting output signals of the second latch to a liquid crystal display panel.
REFERENCES:
patent: 5426447 (1995-06-01), Lee
patent: 5572211 (1996-11-01), Erhart et al.
patent: 5578957 (1996-11-01), Erhart et al.
patent: 6008801 (1999-12-01), Jeong
Alphonse Fritz
LG Semicon Co. Ltd.
Saras Steven J.
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