The subject matter of the present invention provides a drive circuit and system topology for
inexpensive but accurate cur rent control of an array of light emitting elements. It includes a …

Strings of light-emitting elements are driven by providing a fixed voltage reference to a
plurality of parallel-connected current sources, each of the current sources being connected …

Assignee: Institut National Des Sciences A circuit for the ultra-quick control of an
optoelectronic Appliquees De Toulouse, Toulouse device, includes a generator of Voltage …