Light emitting diode sensor device including a contoured structure

Light-emitting diode display device and method of operating the same

LIGHTING DEVICE FOR VEHICLES

LED power supply

Long life, fail safe traffic light

PTC composition and resistive device and LED illumination apparatus using the same

Vehicle lighting outage detection circuit

Redundant operation of a backlight unit of a display device under a shorted LED condition

Apparatus and method for controlling fault in lighting network

Light source module and light source system

Internal power supply control device having at least one lighting control device for a motor vehicle

Control device for lighting LED and detecting breakage thereof

Adaptive switch mode LED driver

Control circuit