LCD 
 initialism
 (context, electronics, computing) Liquid crystal display
 (mathematics) Lowest common denominator / Least common denominator


LED 
 initialism
 light, lightemit, emitting diode, diode.


lightemitting diode 
 noun (abbreviated as LED)
 (physics) a rectifying semiconductor device which converts electrical energy into electromagnetic radiation

limiter 
 noun (Plural: limiters)
 That which limits.
 The automatically put on the brakes to keep the machine from going too fast.


linearity 
 noun
 The state of being linear.
 (mathematics) A relationship between several quantities which can be considered as proportional and expresed in terms of linear algebra, or any mathematical property of a relationship, operation or function that is analogous to such proportionality, satisfying additivity and homogeneity.

logic gate 
 noun (logic gates)
 a physical device, typically electronic, which computes a Boolean logical output (0 or 1) from Boolean input or inputs according to there rules of some logical operator.
