Freeform Optics for LED Packages and Applications.

Freeform Optics for LED Packages and Applications.

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Bibliographic Details
Main Author: Wang, Kai
Other Authors: Liu, Sheng, Luo, Xiaobing, Wu, Dan
Format: eBook
Language:English
Published: New York : John Wiley & Sons, Incorporated, 2016.
Subjects:
Light emitting diodes.
LED lighting.
LED lighting
Light emitting diodes
Online Access:Click for online access
Table of Contents:
  • Cover; Title Page; Copyright; Contents; Preface; Chapter 1 Introduction; 1.1 Overview of LED Lighting; 1.2 Development Trends of LED Packaging and Applications; 1.3 Three Key Issues of Optical Design of LED Lighting; 1.3.1 System Luminous Efficiency; 1.3.2 Controllable Light Pattern; 1.3.3 Spatial Color Uniformity; 1.4 Introduction of Freeform Optics; References; Chapter 2 Review of Main Algorithms of Freeform Optics for LED Lighting; 2.1 Introduction; 2.2 Tailored Design Method; 2.3 SMS Design Method; 2.4 Light Energy Mapping Design Method; 2.5 Generalized Functional Design Method.
  • 2.6 Design Method for Uniform Illumination with Multiple SourcesReferences; Chapter 3 Basic Algorithms of Freeform Optics for LED Lighting; 3.1 Introduction; 3.2 Circularly Symmetrical Freeform Lens
  • Point Source; 3.2.1 Freeform Lens for Large Emitting Angles; 3.2.1.1 Step 1. Establish a Light Energy Mapping Relationship between the Light Source and Target; 3.2.1.2 Step 2. Construct a Freeform Lens; 3.2.1.3 Step 3. Validation and Optimization; 3.2.2 TIR-Freeform Lens for Small Emitting Angle; 3.2.3 Circularly Symmetrical Double Surfaces Freeform Lens.
  • 3.3 Circularly Symmetrical Freeform Lens
  • Extended Source3.3.1.1 Step 1. Construction of a Point Source Freeform Lens; 3.3.1.2 Step 2. Calculation of Feedback Optimization Ratios; 3.3.1.3 Step 3. Grids Redivision of the Target Plane and Light Source; 3.3.1.4 Step 4. Rebuild the Energy Relationship between the Light Source and Target Plane; 3.3.1.5 Step 5. Construction of a Freeform Lens for an Extended Source; 3.3.1.6 Step 6. Ray-Tracing Simulation and Feedback Reversing Optimization; 3.4 Noncircularly Symmetrical Freeform Lens
  • Point Source; 3.4.1 Discontinuous Freeform Lens Algorithm.
  • 3.4.1.1 Step 1. Establishment of a Light Energy Mapping Relationship3.4.1.2 Step 2. Construction of the Lens; 3.4.1.3 Step 3. Validation of Lens Design; 3.4.2 Continuous Freeform Lens Algorithm; 3.4.2.1 Radiate Grid Light Energy Mapping; 3.4.2.2 Rectangular Grid Light Energy Mapping; 3.5 Noncircularly Symmetrical Freeform Lens
  • Extended Source; 3.5.1.1 Step 1. Establishment of the Light Energy Mapping Relationship; 3.5.1.2 Step 2. Construction of a Freeform Lens; 3.5.1.3 Step 3. Validation of Lens Design; 3.6 Reversing the Design Method for Uniform Illumination of LED Arrays.
  • 3.6.1 Reversing the Design Method of LIDC for Uniform Illumination3.6.2 Algorithm of a Freeform Lens for the Required LIDC; References; Chapter 4 Application-Specific LED Package Integrated with a Freeform Lens; 4.1 Application-Specific LED Package (ASLP) Design Concept; 4.2 ASLP Single Module; 4.2.1 Design Method of a Compact Freeform Lens; 4.2.2 Design of the ASLP Module; 4.2.2.1 Optical Modeling; 4.2.2.2 Design of a Compact Freeform Lens; 4.2.2.3 ASLP Module; 4.2.3 Numerical Analyses and Tolerance Analyses; 4.2.3.1 Numerical Simulation and Analyses; 4.2.3.2 Tolerance Analyses.

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