First carbon filament bulbs demonstrated by Edison in 1879. Tungsten filament invented by Just and Hanaman in 1904. Neutral gas addition improved bulb lifespan and brightness. Robert Kyp patented Balafire flickering bulb in 1960s
Color temperature compares visible light to ideal black body emission. Expressed in kelvins (K), with 5000K being cool and 2700-3000K warm. Sunlight has color temperature of about 5900K above atmosphere
Early scoreboards used mechanical clocks and numeral cards. Modern scoreboards employ electromechanical or electronic displays. LED technology replaced traditional bulbs in scoreboards
ColorLight has been providing LED control solutions since 2007. Company has served over one million LED displays worldwide. Offers dual-mode intelligent control systems for LED displays
CoreLine offers innovative LED lighting solutions for various applications. LED technology provides up to 100,000 hours of life. Products achieve up to 60% energy savings compared to fluorescent alternatives. LED luminaires are easy to install with looping technology
LED converts electrical energy into light when forward biased. Light is made of photons, which have energy but no mass. Atoms consist of electrons, protons, and neutrons in different energy levels