This section contains free e-books and guides on Light Emitting Diodes, some of the resources in this section can be viewed online and some of them can be downloaded.
LED Applications and Driving TechniquesChris RichardsonPDF
| 68 Pages
explains the following topics: LED Development, Structure of High
Brightness LED, Materials used in color LEDs, Characteristics of LEDs,
Temperature effect on LED Parameters, LED Binning, LED Binning, Backlight
Applications, Resistor Limiting, Linear Regulation, Buck LED Driving, Using
Boost Regulator Parallel LED Connection, Inductive vs Charge Pump Efficiency
Comparison, Buck-Boost Driving, LED Dimming and Contrast Ratios, PWM Dimming
Control, Controlling Color, Contrast Ratio , LM3404 Delay, tD, Parallel FET Dimming, New LED Driving Tools.
Light emitting diode by wikiWikipediaOnline
| NA Pages
A light-emitting diode (LED) is a two-lead
semiconductor light source. It is a p–n junction diode, which emits light when
activated. Topics covered includes: Discoveries and early devices, Blue LED,
White LEDs and the Illumination breakthrough, working principle, Technology,
Efficiency and operational parameters, Colors and materials, Types,
Considerations for use, Power sources and Electrical pol
Electron irradiation of light emitting diodesChristian Quarles NessOnline
| 108 Pages
book explains the following topics related to light emitting diodes: Simple
Model of an LED, Radiation Sources, Interaction of Electrons With Matter,
Effects of Electron Radiation on LEDs, Linear Accelerator, Temperature
Considerations, LED Light Output Degradation, LED Wavelength Alteration, LED
Current Versus Forward Bias.
White organic light emitting diodes Status and perspectiveSebastian Reineke, Michael Thomschke
and Bjorn Lussem, Karl LeoPDF
| 53 Pages
This note discuss the physics of a variety of device
concepts that are introduced to realize white OLEDs based on both polymer and
small molecule organic materials.
Light Emitting Diodes (PDF 21P)NaptelPDF
| 21 Pages
lecture note covers the following topics: Principle of LED - p-n Homojunction, Double Heterojunctions, LED Materials -
Direct and Indirect Band Gaps and LED Circuit.
Introduction to Light Emitting Diodes Michael W.
Davidson and The Florida State UniversityOnline
| NA Pages
This note covers the
following topics: Fundamentals of Semiconductor Diodes,
Light Emitting Diode Construction, Development of Multiple LED Colors, White
Basic Electronics (pdf 54p)Polytechnic
Institute of NYUPDF
| 54 Pages
This lecture note covers the following topics:Semiconductor,
N-Type Silicon, P-Type Silicon, Diode, Water Analogy of Diodes, Diode
Applications: Half Wave Rectifier, Full Wave Rectifier and AC2DC Power Supply
, Transistor, MOSFET, JFET, Visible-Light LED, Blinking LED, Tricolor LED,
7-Segment LED Display, Photoresistors ,Photodiode, Photodiode Applications and
Light Emitting Diodes and Laser Diodes (PDF 39p)Dr.
| 39 Pages
This lecture note covers the following topics: Optical Design
Choices, Light Emitting Devices, LED Applications, Blue LED based on AlGaInN,
LED History, Light Scattering in an LED, A fiber coupled LED, Light Channeling
(Waveguiding) in a LED, Spontaneous Light Emission.