LED display device and method for controlling the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 7, 2000
Grant Date -
N/A
app pub date -
May 15, 1998
filing date -
May 15, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An LED display device includes an LED display section including a plurality of light emitting blocks arranged in a matrix, each light emitting block including at least a red LED, a green LED, and a blue LED; a color control section including a red color control circuit, a green color control circuit and a blue color control circuit, for controlling an amount of light emitted by the red LED, the green LED, and the blue LED in accordance with a red color signal, a green color signal and a blue color signal; and an LED driving control section including a red LED driving circuit, a green LED driving circuit and a blue LED driving circuit, for controlling the LED display section in response to an output signal from the color control section. At least one of a control of controlling the red LED driving circuit and the green LED driving circuit in response to an output signal from the red color control circuit and a control of controlling the green LED driving circuit and the red LED driving circuit in response to an output signal from the green color control circuit is performed.
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