Photon extraction from nitride ultraviolet light-emitting devices
US8962359B2 · kind B2 · utility
29Cited by
99References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 19, 2012 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Mar 8, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/0363
Abstract
In various embodiments, a rigid lens is attached to a light-emitting semiconductor die via a layer of encapsulant having a thickness insufficient to prevent propagation of thermal expansion mismatch-induced strain between the rigid lens and the semiconductor die.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.