Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1995-08-25
1998-03-24
Wu, Xiao
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345213, G09G 336
Patent
active
057317984
ABSTRACT:
A circuit for outputting a liquid crystal display controlling signal in inputting a data enable signal. A circuit for controlling an LCD drive integrated circuit by a horizontal synchronous signal and a circuit for controlling the LCD drive IC by the data enable signal are separately designed in a conventional circuit for outputting the LCD-controlling signal. However, conventionally, the number of both pins and gates of the application specific integrated circuit which makes up the conventional circuit are increased. The present circuit uses data enable and HSYNC signals through one pin, makes the HSYNC signal by using the data enable signal, and instead of a circuit for controlling the LCD drive IC by the data enable signal, it uses a circuit for controlling the LCD drive IC by the HSYNC signal, thereby reducing the number of gates and optimizing the circuit.
REFERENCES:
patent: 4486779 (1984-12-01), Marti
patent: 4839638 (1989-06-01), Kosler et al.
patent: 5159327 (1992-10-01), Yi
patent: 5329288 (1994-07-01), Kim
Samsung Electronics Co,. Ltd.
Wu Xiao
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