Light-emitting element

US9153747B2 · kind B2 · utility

Assignee

• Epistar Corporation · TW

Inventors

• Wen-Luh Liao · Hsinchu, TW
• Chien-Chung Hsu · Gukeng, TW
• Yao-Ru CHANG · Hsinchu, TW
• Shih-I Chen · Hsinchu, TW
• Chia-Liang Hsu · Hsinchu, TW

Key dates

• Filing date: Jun 11, 2014
• Grant date: Oct 6, 2015
• Expiry date: Jun 11, 2034

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10H20/833

Abstract

A light-emitting element includes a light-emitting stack which has an active layer, and a non-oxide insulative layer below the light-emitting stack, wherein a refractive index of the non-oxide insulative layer is less than 1.4.