Cyan phosphor-converted LED module

A light emitting device comprises an LED emitting ultraviolet or blue light and one or more phosphors excited by the ultraviolet or blue light and in response emitting longer wavelength light to provide a combined phosphor emission spectrum having an emission peak at wavelength λpk with a full width...

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Bibliographische Detailangaben
Hauptverfasser:	Roeling, Erik, Heidemann, Matthias, Bechtel, Hans-Helmut
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING ORSUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES INGENERAL BASIC ELECTRIC ELEMENTS BLASTING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY HEATING LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES PERFORMING OPERATIONS SEMICONDUCTOR DEVICES SYSTEMS THEREOF TRANSPORTING VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A light emitting device comprises an LED emitting ultraviolet or blue light and one or more phosphors excited by the ultraviolet or blue light and in response emitting longer wavelength light to provide a combined phosphor emission spectrum having an emission peak at wavelength λpk with a full width at half maximum of FWHM. With λpk and FWHM expressed in nm, 525 nm≥λpk≥0.039*FWHM+492.7 nm. The light emitting device may be used, for example, to signal the autonomous driving state of an automobile.