Types of light bulbs While all light bulbs achieve the same purpose of enhancing a dark room, several types cater to different aesthetic preferences and home functionality requirements. LED light bulbs Light-em
There are lots of variations in each step. For example, lamp-based projectors start with the white lamp light, and use filters to separate out the red, green, and blue components. Some LED projectors use red, green, and blue LEDs. Others start with blue and yellow LEDs, and use filters...
with the led bulb housed inside. LED or Light Emitting Diode consists of a semiconductor material that has the property of emitting light as the junction gets sufficient potential to allow the charge to flow. LEDs used in
The diodes may either emit yellow, green or red colored light or alternatively may be a light source emitting white light and having a transparent or white, green and red filter, respectively positioned between each of the white light generating diodes D3, D4 and D5 and the chip. ...
White yellow is a key colour in association with energy. For primitive men,activity during the day time meant hunting and attacking,which he soon saw red,the colour of blood and the fire. So it was natural that green, the complementary colour to red,should be associated with passive defence...