answersLogoWhite

0

You can test it by puting it in forward bias with a resistor. Use a dc voltage source of 5 volts and put it in series with 250 Ohms resistor. Or use 9volts with a 450 Ohms resistor. Basically you need 20mA of forward current usually. Smaller current will reduce brightness.

User Avatar

Wiki User

17y ago

What else can I help you with?

Continue Learning about Computer Science

LED stands for Light-Emitting?

An LED, or Light Emitting Diode, is a semiconductor device that emits light when an electric current passes through it. Unlike traditional incandescent or fluorescent bulbs, LEDs are highly energy-efficient, durable, and versatile. They work by converting electrical energy directly into light through a process called electroluminescence, which occurs when electrons recombine with electron holes within the semiconductor material, releasing energy in the form of photons .


What is a photodiac?

a bidirectional light-sensitive avalanche diode


What device converts computer output into displayed images?

Oh, dude, that's an easy one! So, like, the device you're talking about is a monitor. It's basically the screen that shows you all the stuff your computer is doing. So, yeah, next time you're staring at cat videos, just remember you can thank your monitor for bringing those fluffy felines to life.


Which fiber-optic media type uses light-emitting diodes LEDs instead of lasers?

Multimode fiber (MMF.


What is the most common type of computer monitor?

If the question is "Are the most common flat-panel technologies used for computer monitors?" then yes, they are. If the question is "WHAT are the most common flat-panel technologies used for computer monitors?" then the question is as follows: 1. Liquid Crystal Display monitors are the most common form still. (LCD) 2. Light Emitting Diode Displays are becmoing more popular. They have a more vibrant display, are thinner, but suffer their own problems. (LED) 3. Organic Light Emitting Diode Displays are just on the horizon. These use organic chemical reagents "printed" onto a thin surface in order to display images. Each pixel emits its own light, so there's no need for a back light. This makes these screens far thinner than anything else, and opens up the gateway to having screens that can be bent.