Assertion: color led | /r/HasAspect | different emission patterns
Facets:
value: slightly
type: DEGREE
value: typically
type: DEGREE
Source sentences:
text: Because these need electronic circuits to control the blending and diffusion of different colors, and because the individual color LEDs typically have slightly different emission patterns (leading to variation of the color depending on direction) even if they are made as a single unit, these are seldom used to produce white lighting.