Rotlichtemittierende Vorrichtung und Beleuchtungssystem

Details

Veröffentlichungs-Nr.

EP3073538

Aktenzeichen

EP16162140

Anmeldetag

24. März 2016

Veröffentlichung

1. Juli 2020

Erteilung

1. Juli 2020

Rechtsraum

EP

IPC

H01L33/14H01L33/04H01L33/12H01L33/30H01L33/02H01L33/00// H01L33/10H01L33/06

Abstract

A red light emitting device, a method of fabricating a light emitting device, a light emitting device package, and a lighting system are provided. The red light emitting device (100) includes a first conductive type first semiconductor layer (112), an active layer (114) provided on the first conductive type first semiconductor layer (112) and including a quantum well (114W) and a quantum barrier (114B), a second conductive type second semiconductor layer (116) on the active layer (114), a second conductive type third semiconductor layer (123) on the second conductive type second semiconductor layer (116), a second conductive type fourth semiconductor layer (124) on the second conductive type third semiconductor layer (123), and a second conductive type fifth semiconductor layer (125) on the second conductive type fourth semiconductor layer (124). The second conductive type third semiconductor layer (123) and the second conductive type fourth semiconductor layer (124) include an AlGaInP-based semiconductor layer, and Al composition of the second conductive type fourth semiconductor layer (124) is lower than Al composition of the second conductive type third semiconductor layer (123).

Anmelder

Firma

LG Innotek Co., Ltd.

Land

🇰🇷 Südkorea

Fachgebiete