Assertion: blue led | /r/HasAspect | active region
Facets:
Source sentences:
text: Blue LEDs have an active region consisting of one or more InGaN quantum wells sandwiched between thicker layers of GaN, called cladding layers.
text: They have an active region consisting of one or more InGaNquantum wellssandwiched between thicker layers of GaN, called cladding layers.
text: They have an active region consisting of one or more InGaN quantum wells sandwiched between thicker layers of GaN, called cladding layers.