Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2011-02-15
2011-02-15
Shankar, Vijay (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S089000, C345S204000, C345S212000, C345S213000
Reexamination Certificate
active
07889164
ABSTRACT:
In a semiconductor integrated circuit device of a liquid crystal display drive controller, the present invention is intended to suppress an increase in the number of output terminals for interface control signals for control of parallel interface to a sub liquid crystal display controller. A host interface circuit comprises a first serial interface circuit for serial data input and output in a differential manner, a parallel interface circuit, and other interface circuits. When the first serial interface circuit is selected for use as the host interface, the host interface circuit outputs in parallel predetermined information input via the first serial interface circuit from the parallel interface circuit to outside and generates interface control signals for the parallel output. External terminals for host interface assigned to the other interface circuits are used for double duty to output the interface control signals.
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patent: 6556180 (2003-04-01), Furuhashi et al.
patent: 6825824 (2004-11-01), Lee
patent: 2006/0103620 (2006-05-01), Joo et al.
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patent: 2006-330551 (2006-12-01), None
Azuma Yuri
Ishii Tatsuya
Morita Shin
Sakamaki Goro
Miles & Stockbridge P.C.
Renesas Electronics Corporation
Shankar Vijay
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