AC light emitting diode and AC LED drive methods and apparatus

AC powered OLED device

Apparatus and method for providing bilevel illumination

Apparatus and method for providing synchronized lights

Apparatus flashing lights in sequences indicating directions...

Article blinking Christmas tree assembly

Assembly structure for Christmas light string controller

Authentication using random challenges

Bi-directional LED-based light

Bulb-shaped light string flasher

Candle emulation

Christmas light string

Christmas tree decoration

Christmas tree ornamental lighting system

Circuit arrangement

Circuit configuration for signal transmitters with light-emittin

Codable electronic circuit arrangement and method for...

Color-changing bulb of instrument panel of a vehicle

Connector of a decorative lighting string

Continuous current control circuit modules of series string...