Light emitting diode
US7517110B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 23, 2007 |
| Grant date | Apr 14, 2009 |
| Priority date | — |
| Expiry date | May 23, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/80
Abstract
An LED including housing, lead frame in the housing, light-emitting chip, and packed colloid; pit accommodation portion being disposed in the housing to expose lead frame, and multiple reflective sidewalls at various inclinations being disposed on a side of accommodation portion; the chip being disposed on a lead frame; streams of light form the chip traveling in different directions when reflected by those sidewalls; and most of those streams of light being emitted out of the accommodation portion to promote luminance performance of the LED.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.