Structure and method for LED with phosphor coating
US8860056B2 · kind B2 · utility
2Cited by
3References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2011 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Jul 25, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/0361
Abstract
The present disclosure provides a light emitting diode (LED) apparatus. The LED apparatus includes an LED emitter having a top surface; and a phosphor feature disposed on the LED emitter. The phosphor feature includes a first phosphor film disposed on the top surface of the LED emitter and having a first dimension defined in a direction parallel to the top surface of the LED emitter; a second phosphor film disposed on the first phosphor film and having a second dimension defined in the direction; and the second dimension is substantially less than the first dimension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.