Light emitting device

US9196806B2 · kind B2 · utility

Assignee

• Epistar Corporation · TW

Inventors

• Chun Lin · Yardley, US
• Tzu-Chieh Hsu · Hsinchu, TW
• Fu-Chun Tsai · Hsinchu, TW
• Yi-Wen Huang · Hsinchu, TW
• Chih-Chiang Lu · New Taipei, TW

Key dates

• Filing date: Oct 10, 2013
• Grant date: Nov 24, 2015
• Expiry date: Oct 10, 2033

Classification

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

Abstract

This disclosure discloses a light-emitting chip comprises: a light-emitting stack, having a side wall, comprising an active layer emitting light; and a light-absorbing layer having a first portion surrounding the side wall and being configured to absorb 50% light toward the light-absorbing layer.