Semiconductor luminous element with light reflection and focusing configuration
US5528057A · kind A · utility
114Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 1994 |
| Grant date | Jun 18, 1996 |
| Priority date | — |
| Expiry date | May 27, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2224/48247
Abstract
A luminous element with a high luminous efficiency comprising means for condensing light towards an exit window of the element. Specifically, the luminous element condenses light generated at the luminous area of the luminous element by an optically reflective surface having oblique concentric surface portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.