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Diagram showing red, blue, and green Light Emitting Diode (LED) wafers separated into clusters, forming dense micropixel LED displays compared to less dense traditional displays.
Diagram showing red, blue, and green Light Emitting Diode (LED) wafers separated into clusters, forming dense micropixel LED displays compared to less dense traditional displays.

Light Emitting Diode (LED) Basics

The THORS Light Emitting Diode (LED) Basics is designed to provide learners with a comprehensive understanding of LED-related terminologies, the structure of LEDs, and their various types. Ready to take the next step? Explore the course details and see everything we’ve packed into this program!

Learning Hours: 2.5

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Course Description

The THORS Light Emitting Diode (LED) Basics course introduces learners to various LED terminologies related to material characteristics, light characteristics, and various other parameters. The course also covers LED architecture, including the components of a packaged LED, LED chip layers, classification of LEDs, material choices, and the different types of LEDs. Presented in THORS’ highly visual and interactive learning format, this course will equip learners with a foundational knowledge of LEDs and their related technologies. 

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Who will benefit from this Light Emitting Diode (LED) Basics course?

Quality, manufacturing, engineering, design, testing, purchasing, and sales functions at organizations that require a basic understanding of LEDs.

THORS uses Bloom’s Taxonomy Methodology for our course development

Certificate Awarded for Light Emitting Diode (LED) Basics

Example of certificate awarded upon successful completion of the course.

*upon successful completion

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Learning Objectives

  1. Recognize the basic terminologies used in the LED industry.
  2. Identify the material characteristics, light characteristics, and technical parameters of an LED.
  3. Describe the components of a packaged LED and the structure of an LED chip.
  4. Explain the different semiconductor materials used in producing different color LEDs.
  5. Differentiate between the different types of LEDs and their structure.
Diagram of a packaged Light Emitting Diode (LED) showing a close-up of its internal parts: wire bond, LED chip, heat sink, metal contacts, and other external parts: epoxy lens, housing, anode, and cathode.
Light Emitting Diode (LED) Basics THORS course image

Table of Contents

  1. Introduction
    1. LED Terminology
      1. Material Characteristics
        1. Single Crystal
        2. Bandgap
          1. Direct Bandgap
          2. Indirect Bandgap
      2. Light Characteristics
        1. Nature of Light
        2. Full Width Half Maximum (FWHM)
        3. Refractive Index
      3. Technical Parameters
        1. Electrical Parameters
          1. Current
          2. Voltage
        2. Optical Parameters
        3. Thermal Parameters
          1. Temperature Coefficient
          2. Junction Temperature
          3. Thermal Resistance
        4. LED Efficiency Parameters
          1. Quantum Efficiency
          2. Wall-Plug Efficiency
          3. Extraction Efficiency
        5. Other Parameters
          1. Correlated Color Temperature (CCT)
          2. Color Rendering Index (CRI)
    2. LED Architecture
      1. Structure
        1. Packaged LED Components
        2. LED Chip Layers
          1. Substrate
          2. Support Layers
          3. Active Region
            1. Multiple Quantum Well (MQW)
            2. Radiative Recombination Process
        3. Classification
          1. Edge Emitting LED
          2. Surface Emitting LED
      2. Material Choices for LED Emission
        1. Chromaticity Diagram
        2. Primary Colors
        3. Color Combinations
      3. LED Types
        1. Inorganic LED
          1. Emission Wavelength Range
            1. Visible LED
            2. Ultraviolet (UV) LED
            3. Infrared (IR) LED
          2. Micropixel LED
        2. Organic LED (OLED)
      4. Laser Diode
        1. Working Principle
        2. Light Detection and Ranging (LiDAR)
  2. Post-Assessment

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