This note
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.
This note covers the following topics: Current conduction
mechanism in LED like structures, Optical output power, Losses and efficiency, Current
crowding, Packaging, Perception of visible light and color, Visible light terminology,
Inroads by LEDs, Nitride LED performance, On the nature of light emission in nitride
based LEDs, LED degradation, LED efficiency, Monochrome applications of LEDs, Luminescence
conversion and white light generation with nitride LEDs, Approaches to white light
generation, Toward the white light applications and OLED structures.
This PDF book
covers the following topics related to Organic Light Emitting Diode : Organic
light emitting diodes based on functionalized oligothiophenes for display and
lighting applications, The efficient green emitting iridium complexes and
phosphorescent organic light emitting diode characteristics, Material Issues in
AMOLED, Nanocomposites for Organic Light Emiting Diodes, Carrier Transport and
Recombination Dynamics in Disordered Organic Light Emitting Diodes, Solution
Processable Ionic p-i-n Organic Light- Emitting Diodes, High-Contrast OLEDs with
High-Efficiency, Optimum Structure Adjustment for Flexible Fluorescent and
Phosphorescent Organic Light Emitting Diodes, a-Si:H TFT and Pixel Structure for
AMOLED on a Flexible Metal Substrate, Organic Light Emitting Diode for White
Light Emission.
This note covers the following topics: Basic principles of organic
light-emitting diodes, Device preparation, materials and stack design,
Experimental techniques, Comprehensive efficiency analysis of OLEDs, Degradation
processes in OLEDs.
This note
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.
This
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.
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.
Author(s): Sebastian Reineke, Michael Thomschke
and Bjorn Lussem, Karl Leo