LIGHT-EMITTING ELEMENT DRIVING DEVICE, LIGHT-EMITTING DEVICE, AND VEHICLE

A light-emitting element driving device includes a reset signal generation unit that generates a reset signal in accordance with current flowing in a light-emitting element, a set signal generation unit that generates a set signal in accordance with the anode voltage of the light-emitting element, a...

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Bibliographische Detailangaben
Hauptverfasser:	KAWASE, Shigenori, TAKAGIMOTO, Shinsuke, NAKATANI, Yoshiyuki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING ORSUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES INGENERAL BASIC ELECTRIC ELEMENTS ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY PERFORMING OPERATIONS SEMICONDUCTOR DEVICES TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A light-emitting element driving device includes a reset signal generation unit that generates a reset signal in accordance with current flowing in a light-emitting element, a set signal generation unit that generates a set signal in accordance with the anode voltage of the light-emitting element, and an output voltage supply unit that generates an output voltage from an input voltage in accordance with the reset signal and the set signal, so as to supply the output voltage to the light-emitting element. The set signal generation unit includes a current generation unit that generates current according to the anode voltage of the light-emitting element, a charging unit that charges the current generated by the current generation unit, and a comparator that generates the set signal in accordance with a comparison result between a charging voltage of the charging unit and a reference voltage.