LED display controller and method of operation

Details LED display controller and method of operation LED display controller and method of operation

1996-06-24

2000-01-11

Liang, Regina

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 55, G09G 332

Patent

active

060141204

ABSTRACT:
A method and apparatus includes row-major memory mapping for a graphics memory (14) while providing data to a column-major display such as a pixel array (19). The transfer of data is provided from a row-major memory map to data formatted for refreshing a column-major display. The column-major pixel array (19) provides a display with energy saving benefits for illuminating the LEDs. A software developer can provide graphics data generated or transferred by a microcontroller (12) for storage in the row-major graphics memory (14). The embodiment supports the display features such as the grey-scale mode and bi-level mode.

REFERENCES:
patent: 4158200 (1979-06-01), Seitz et al.
patent: 4398189 (1983-08-01), Pasierb, Jr. et al.
patent: 5027112 (1991-06-01), Ross et al.

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