The fact that prisms created many colors when struck by white light had been known for many years.
Newton’s theory came about when experimenting with prisms. To understand the difference, let’s take a look at Newton’s Theory of Color.īefore Isaac Newton’s Theory of Color in 1666, people believed that sunlight, or white light, was simply pure light and something needed to be added to it to create color. Mixing pigment or stacking different color gel is called subtractive color mixing. The colors created when adding new light are different than when mixing colors of pigment or when filtering out colors from white light with gel. By adding light of different colors together we can create new colors. New colors are created by varying the intensity of each of these sub-pixels, making the pixel the desired color. Every color LCD pixel on a modern TV, computer monitor, or phone screen is made of three sub-pixels: red, green, and blue. Today, screens are made from LCD or LED arrays, but the method still applies. The electrons would excite the phosphor making it glow. Back when TVs had tube screens, the tubes had three electron guns that shot electrons at different colored phosphor sub-pixels, red, green and blue, tightly packed together to form a single color pixel.
#Onstage lighting full
Color TVs produce their full range of color using a 3 colored system. Being a child of the seventies and eighties, I got my introduction to color theory from the popularization of color TV.
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