LED driving device, lighting device, and vehicle-mounted display device

• Main Authors: Katsura, Koji, Kanemitsu, Ryosuke
• Format: Patent
• Language: English
• Published: 06.06.2023
• Subjects: ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING ORSUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES INGENERAL; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL

This LED driving device comprises: a DC/DC controller which controls an output stage for supplying an output voltage to an LED; and a current driver which generates an output current of the LED, wherein the current driver performs PWM dimming by turning on the output current in accordance with an LE...