Related by context. Frequent words. (Click for all words.) 59 LED lamps 58 lumen output 58 beam headlights 57 electronic ballasts 57 LED lights 56 illumination 55 LEDs 55 halogen lights 54 LED illumination 54 fluorescent fixtures 54 halogen bulbs 54 photodiode 54 downlight 54 fluorescent tube 53 RGB LED 53 wattage 53 fluorescent lamp 53 halogen lamps 53 thermal dissipation 53 High Intensity Discharge 52 LED lighting 52 brightness 52 fluorescent lighting 52 brightness LED 52 lights 52 LEDS 52 transmittance 52 Light Emitting Diode LED 51 LED bulbs 51 light emitting diodes LEDs 51 LED lamp 51 photodetectors 51 lamps 51 dimmers 51 metal halide 50 sunlight readable 50 PhlatLight LEDs 50 diodes 50 light emitting diode LED 50 photodiodes 50 transmissive 50 pulse width modulation PWM 50 photometric 50 fluorescent lamps 50 backlighting 50 lighting 50 downlights 50 magnifications 50 cold cathode fluorescent 49 voltages 49 LED 49 TFTs 49 incandescent lamps 49 luminance 49 dimmer switches 49 amperage 49 phosphors 49 lighting fixtures 48 photodetector 48 backlight 48 halogens 48 voltage 48 compact fluorescent lamps 48 inrush current 48 LED headlamps 48 backlit LCD 48 infrared IR 48 nm wavelength 47 backlights 47 photonic devices 47 ballasts 47 dimmable 47 rectifiers 47 luminaires 47 #μA [001] 47 bulbs 47 bandgap 47 reflectors 47 induction motors 47 viewability 47 wattages 47 LED headlights 47 illuminator 47 fluorescent light 47 fluorescent bulb 47 LEDs light emitting 47 reflectivity 47 bulb 47 output voltage 47 Fresnel lens 47 optocoupler 47 pushbuttons 47 copper interconnects 47 CCD sensors 47 luminescence 47 PTZ cameras 47 photoelectric 46 InGaAs 46 electromagnetic interference EMI 46 fluorescents 46 florescent lights