LED
(ɛliːˈdiː)
Also l.e.d., led (lɛd).
[Abbrev.]
A light-emitting diode: a semiconductor diode that emits light when a voltage is suitably applied.
| 1968 Electronics World Jan. 36/1 Today, the LED is making possible vast improvements upon circuits that seem to have no obvious connection with photoelectric operations. 1971 New Scientist 1 Apr. 26/3 LEDs have not caught on to any great extent because they cost a great deal more. 1975 Hi-Fi Answers Feb. 78/2 The light pulses from the led are picked up by a photo⁓conductive cell and applied to the filter. 1976 Pract. Electronics Oct. 810 (caption) Block diagram of the system using two separate l.e.d. displays. 1978 Pasachoff & Kutner University Astron. ix. 271 Gallium production..is used in many solid state devices including the light-emitting diodes (LED's) that form the digits on most pocket calculators and digital watches. 1982 What's New in Computing Nov. 19/2 The logger can be programmed to these levels, indicating on a led display which channel is giving a fault condition signal. 1984 What Video? Aug. 21/2 It has an LED recording level meter. |