Analysis of the use of reflectors and reflective surfaces for increasing the light efficiency of leds based on algainp heterostructures

Alexander Gradoboev, Ksenia Orlova, Anastasiya Simonova

Research output: Contribution to journalArticle

Abstract

The most common technological solution for increasing the light efficiency of the LEDs based upon AlGaInP heterostructures are discussed in the paper. The creation of LEDs with the inclusion of quantum wells and quantum dots in the active region, removing the original base and placing the LED on a new substrate, the replacement of the absorbent substrate by the reflective, using light-reflective surfaces such as Bragg reflectors or a mirror base (substrate), the list of new based materials for the LEDs based upon AlGaInP heterostructures as same as sapphire, glass, gallium phosphide, silicon and silicon carbide are presented. Therefore, new advanced methods of emission power are emerging.

Original languageEnglish
Pages (from-to)77-86
Number of pages10
JournalMaterials Science Forum
Volume942
DOIs
Publication statusPublished - 1 Jan 2019

Fingerprint

reflectors
Light emitting diodes
Heterojunctions
light emitting diodes
Substrates
Gallium phosphide
Bragg reflectors
gallium phosphides
Aluminum Oxide
Silicon
absorbents
Sapphire
Silicon carbide
silicon carbides
lists
Semiconductor quantum wells
Semiconductor quantum dots
emerging
sapphire
Mirrors

Keywords

  • AlGaInP
  • Heterostructures
  • Light emitting diodes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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AB - The most common technological solution for increasing the light efficiency of the LEDs based upon AlGaInP heterostructures are discussed in the paper. The creation of LEDs with the inclusion of quantum wells and quantum dots in the active region, removing the original base and placing the LED on a new substrate, the replacement of the absorbent substrate by the reflective, using light-reflective surfaces such as Bragg reflectors or a mirror base (substrate), the list of new based materials for the LEDs based upon AlGaInP heterostructures as same as sapphire, glass, gallium phosphide, silicon and silicon carbide are presented. Therefore, new advanced methods of emission power are emerging.

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