Nick Holonyak Jr
Nick Holonyak Jr.
1928-
American engineer and inventor who first developed the light-emitting diode (LED), subsequently used in a wide variety of products. LEDs are solid-state devices that emit light when energized. First used in digital watches and calculators, LEDs required far less power and were more compact than their predecessors. Though largely replaced by even more efficient liquid crystal displays (LCDs), LEDs are still used in many devices, such as miniature LED lasers.
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Leds , Light-Emitting Diode (LED)
Background
Light-emitting diodes (LEDs)—small colored lights available in any electronics store—are ubiquitous in modern s… Computer Monitors , The first computer display devices were modified typewriters and Teletype machines. These devices were slow, noisy, and expensive, and could only han… device , de·vice / diˈvīs/ • n. 1. a thing made or adapted for a particular purpose, esp. a mechanical or electronic contrivance: a measuring device. ∎ an exp… Light Pen , light pen An obsolete penlike input device that was used with a cathode-ray tube display to point at items on the screen or to draw new items or modi… Diode , Diode
A diode is an electronic device through which electrons can flow in only one direction. Because of its ability to control current flow, a diode… Lighting , Light is essential for human life. Modern societies have created homes, schools, and workplaces that rely on electric light sources. Some of the elec…
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Nick Holonyak Jr