Light emitting device

US9748443B2 · kind B2 · utility

Assignee

• Epistar Corporation · TW

Inventors

• Yao-Ru CHANG · Hsinchu, TW
• Wen-Luh Liao · Hsinchu, TW
• Chun Lin · Yardley, US
• Hsin-Chan CHUNG · Hsinchu, TW
• Hung-Ta Cheng · Hsinchu, TW

Key dates

• Filing date: Jan 19, 2017
• Grant date: Aug 29, 2017
• Expiry date: Jan 19, 2037

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10H20/82

Abstract

The present disclosure provides a light-emitting device, comprising: a light-emitting stack comprising an active layer, wherein the active layer is configured to emit light; a first semiconductor layer on the light-emitting stack; a first electrode formed on the first semiconductor layer and comprising an inner segment, an outer segment, and a plurality of extending segments electrically connecting the inner segment with the outer segment; and a light-absorbing layer having a first portion surrounding the first semiconductor layer in a top view.