Recently, the Industrial Technology Research Institute (ITRI), backed by Taiwan industrial technology development organization, has developed a new A19 LED bulb with unorthodox design. The new bulb is named as “Light & Light” bulbs for being lighter and brighter, with it also capable of mood enhancement when equipped with RGB (red-green-blue) packages. Adopting typical LED backlight packages instead of high-power packages, the new bulb has low-power, small LEDs inside, with packages each containing 150 to 170 8-by-12 mil chips rated at 40...