Light bulb assembly having internal redirection element for improved directional light distribution
US9651219B2 · kind B2 · utility
1Cited by
63References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2015 |
| Grant date | May 16, 2017 |
| Priority date | — |
| Expiry date | Aug 10, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light assembly includes a cover having an upper portion and a redirection portion. The cover has a longitudinal axis and a housing that is coupled to the cover. A lamp base is coupled to the housing. A circuit board is disposed within the housing. The circuit board has a plurality of light sources thereon. An internal redirection element is coupled to the circuit board and has a curvilinear shaped surface for reflecting a first portion of light from the plurality of light sources through the redirection portion of the cover and transmitting a second portion of light therethrough.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.