Light-emitting diodes and optoelectronics : new research / Joshua T. Hall and Anton O. Koskinen, editors.

Format:

Book

Contributor:

Hall, Joshua T.

Koskinen, Anton O.

Series:

Electrical engineering developments series.

Electrical engineering developments

Language:

English

Subjects (All):

Light emitting diodes.

Optoelectronic devices.

Physical Description:

1 online resource (307 p.)

Edition:

1st ed.

Place of Publication:

Hauppauge, N.Y. : Nova Science Publishers, Inc., c2012.

Language Note:

English

Summary:

This book presents topical research in the field of light-emitting diodes and the systems, uses and efficiency of optoelectronics. Topics discussed include fabricating high efficiency organic light-emitting diodes for flat panel displays and solid-state lighting; reliability estimation from the junction to the packaging of LED; next-generation intelligent and green energy LED backlighting 3D display; inorganic-organic hybrid emitting material fabricated by solvothermal synthesis and photonic bandgap defect structure based on IV-VI semiconductors.

Contents:

Intro

LIGHT-EMITTING DIODES AND OPTOELECTRONICS

CONTENTS

PREFACE

APPROACHES FOR FABRICATING HIGH EFFICIENCY ORGANIC LIGHT EMITTING DIODE FOR FLAT PANEL DISPLAY AND SOLID STATE LIGHTING: AN OVERVIEW

ABSTRACT

1. INTRODUCTION

2. APPROACHES FOR HIGHLY EFFICIENT DEVICES

2.1. Device Structure

2.1.1. Low Carrier Injection Barrier

2.1.2. Effective Carrier Confinement

2.1.3. Effective Excitons Generation on Host

2.1.4. Effective Host-Guest Energy Transfer

2.1.5. Balanced Carrier Injection

2.1.6. Carrier Modulation Layer

2.1.7. Polymeric Nanodots (PNDs)

2.2. Light Outcoupling

2.2.1. Substrate Surface Modifications

2.2.2. Texturing Mesh Surfaces

2.2.3. Multilayer Cathode Structures

2.2.4. Aperiodic Dielectric Stacks

2.2.5. Microlens Arrays

2.2.6. Low Index Grids

2.2.7. Effect of Micro-cavities

2.2.8. Surface Plasmons

2.2.9. Photonic Crystal

2.2.10. Effect of Nano Porous Films, Nano Wires, Nano Particles and Nano Pillars

CONCLUSION

ACKNOWLEDGMENTS

REFERENCES

RELIABILITY ESTIMATION FROM THE JUNCTION TO THE PACKAGING OF LED

I. CONTEXT AND OBJECTIVES

II. STATE OF ART OF THE LED MODULE

III. MODEL OF THE LED MODULE

1. Thermal Simulation

2. Optical Models

a. Optical Power Characterizations

b. Spectral Characterizations

3. Electrical Model

IV. FAILURE ANALYSES

1. Ageing Test Conditions - Active Storage

2. Analysis of Recombination Current Drift

a)Failure Mechanism Diagnostic Using Electrical Characterizations

b. Failure Mechanism Diagnostic Using Optical Characterizations

3. Analyses of Leakage Current

V. RELIABILITY ESTIMATION

1. Relation between Degradation Law and Lifetime Estimation

2. Reliability Investigations Using Technological Dispersion

REFERENCES.

THE NEXT-GENERATION INTELLIGENT AND GREEN ENERGY LED BACKLIGHTING 3D DISPLAY TECHNOLOGY FOR THE NAKED EYE

Intelligent and Green Energy LED Backlighting Techniques

2. 3D DISPLAY BACKLIGHT AND APPLICATION

2.1. Localized 2D/3D Switchable Maked-eye 3D Display

2.2. Mult-view Time Multiplexed Autostereoscopic Displays

2.3. Multi-Viewer Tracking Stereoscopic Display

3. EXPERIMENTAL AND RESULTS

3.1. Localized 2D/3D Switchable Maked-eye 3D Display

3.1.1. Three Dimensional Data Registration LED Backlight

3.1.2. Localized 2D/3D Switchable Naked-eye 3D Display

3.3. Mult-View Time Multiplexed Autostereoscopic Displays

3.3.1. Experimental Results

3.4. Multi-viewer Tracking Stereoscopic Display

(B) LED Backlight Architecture

3.4.1. Crosstalk Analysis

3.4.2. Measured Results

(A) The Optical Properties Measurement

(B) Motion Parallax Function Result

INTERSUBBAND TRANSITION IN CDS/ZNSE QUANTUM WELLS FOR EMISSION AND INFRARED PHOTO DETECTION

INTRODUCTION

THEORY

MODELLING AND SIMULATION OF DEVICES

1. Electronic Properties of ISBT for Fiber Optic Emissions (1.33→1.55 μm)

2. ABSORPTION COEFFICIENT OF ISBT AT 1.55µM IN (CDS/ZNSE)/BETE QUANTUM WELLS

3. ELECTRO-OPTIC PERFORMANCE OF (CDS/ZNSE)/BETE BASED QUANTUM WELL INFRARED PHOTODETECTOR

INORGANIC-ORGANIC HYBRID EMITTING MATERIAL FABRICATED BY SOLVOTHERMAL SYNTHESIS

2. PRINCIPLE AND PROBLEM OF EUROPIUM-COMPLEX

3. SOL-GEL PROCESS TO ENCAPSULATE EUROPIUM-COMPLEX

4. SILICA GLASS COATED EUROPIUM-COMPLEX BY SOLVOTHERMAL PROCESS

4.1. Principle of Solvothemal Process

4.2. Fabrication Process and Measurement

4.3. Dependence of Silane Alxoxide

4.4. Dependence of Organic Solvent

CONCLUSION.

ACKNOWLEDGMENTS

ENHANCED EFFICIENCY OF ZNTE-BASED GREEN LIGHT-EMITTING DIODES

PROPERTIES OF ZNTE LED FABRICATED BY THERMAL DIFFUSION OF AL THROUGH A SURFACE OXIDATION LAYER

IMPROVED LED PERFORMANCE BY USING AL OXIDE LAYER AS A DIFFUSION LIMITING LAYER

ENHANCED OUTPUT POWER OF ZNTE LED BY ADAPTING THIN FILM STRUCTURE

SELF-INTRODUCED LATTICE DISTORTION, INVISIBLE CAVITY AND HIDDEN COLLECTIVE BEHAVIOR OF A POLYMERIC NANOFIBER LASER

I. INTRODUCTION

II. MODEL

III. RESULTS AND DISCUSSION

PHOTONIC BANDGAP DEFECT STRUCTURE ON IV-VI SEMICONDUCTOR: RESONATING CAVITY WITHOUT CLEAVING

1.1. BACKGROUND

1.2. INTRODUCTION

1.3. FINITE DIFFERENCE TIME DOMAIN (FDTD) METHOD

1.4. TWO DIMENSIONAL FDTD EQUATIONS

1.4.1. TE Waves

1.4.2. TM Waves

1.5. PLANE WAVE EXPANSION (PWE) METHOD

1.6. FINITE DIFFERENCE METHOD (FDM)

1.7. LEAD CHALCOGENIDE DEFECT CAVITY PBG STRUCTURE

1.7.1. Mid Infrared Photonic Bandgap Formation

1.7.2. Modal Analysis by FDM Scheme

1.7.3. Modal Analysis by FDTD Scheme

1.8. EXPERIMENTAL STEPS FOR AIR HOLE FORMATION

MODELLING OF WIDEBANDGAP LIGHT EMITTING DIODES: FROM HETEROSTRUCTURE TO LED LAMP

Abstract

1.Introduction

2.CarrierInjectionandLightEmissioninLEDHeterostruc-tures

2.1.LEDdiestructure

2.1.1.Strainandpiezoeffect

2.1.2.Electron,holeandimpuritystatistics

2.2.Carrierstransport

2.2.1.Recombinationofnon-equilibriumchargecarriers

2.3.Lightemissionspectra

2.4.Examples

3.CurrentSpreadinginLEDDieandLightExtraction

3.1.HybridapproachtoLEDdiemodeling

3.2.CurrentcrowdinginLEDdie

3.3.HeattransferinLEDdie

3.4.LightextractionfromLEDdie

3.4.1."Lightescape"problem

3.4.2.ApproachestoLEEenhancement.

3.5.Currentcrowdingeffectonlightextractionefficiency

4.ModelingofLEDLamps

5.Conclusion

Acknowledgments

References

INDEX.

Notes:

Description based upon print version of record.

Includes bibliographical references and index.

Description based on print version record.

ISBN:

1-62100-541-0

OCLC:

841509772