Compounds for electronic devices
Display device and method for making the same
High efficiency driver for color light emitting diodes (LED)
High efficiency light for use in a traffic signal light, using L
High intensity utility light
LED light collection and uniform transmission system
Led light collection and uniform transmission system using a...
Light emitting diode lamp
Light emitting diode lamp device
Light string composed of light emitting diodes
Magnetic rotary switch mechanism
Optical signalling device, especially for an item of clothing