Method and apparatus pertaining to a cone-shaped lens in combination with a lateral member
US8517572B2 · kind B2 · utility
15Cited by
2References
34Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 6, 2010 |
| Grant date | Aug 27, 2013 |
| Priority date | — |
| Expiry date | Nov 29, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cone-shaped lens is integrally formed with a lateral member using a common material. The cone-shaped lens has a light-output surface having a corresponding area while the aforementioned member has an exterior same-side surface area that extends beyond the light-output surface by an amount that is at least four times the corresponding area of the cone-shaped lens's light-output surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.